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l a n r u J Teknobiolog,iI II(2 )2012 : 51 – 51 1 2 7 8 0 2 : N S S I – 5428

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k i n k e T s a tl u k a F a i m i K k i n k e T n a s u r u J Universtia sRiau s k e l p m o K Kampu sBinawidyaJ lHR .Subranta sKM12,5Panam ,Pekanbaru0761-566937 E-mali :bahruddin@unr.iaci.d a r t s b A c t Morphology da n properite softhermoplasitcvulcanizate i ssrtonglyi nlfuenced by t eh condiiton sof the mixing process o fraw mateirals and the compaitblitiy n e e w t e b the phase .The purpose o fthi sstudy wa sto determine the opitma l e r u t a r e p m e t ,rotorspeed da n compaitbiilzer .Thermoplasitcvulcanizatewa smade o w t n i stages .Thef ris tstage aw st hemanufactureofrubbe rcompoundsusinga llr o ll i m a troomt emperature da n speedof 02 mrp .Naturalrubbermateirals usedare l a r u t a n rubber RS .I 2 0 Curaitve ingredients da n addiitves tha tare addedinclude d ir b y h r e ll if Carbonblack/lfyash 30 ph,rr aito70/30 ,5 ph rparafifn ,5 ph rZnO ,3 r h p steairc daci ,1 ph rTMQ , 60 , ph rMBTS da 3 rn p h suflu.r T eh secondphaseof g n it l u s e r e h t rubbe rcompound aw smixed w tih polypropylene (PP )and the r e z il i b it a p m o c maleatednaturalrubber (MNR )int heinternalmixer .Raitoof RN / P P made ti 70/30 ,whlie t heMNR vaired 2 da 5 rn p .h Varyingcondiitonsint he g n i x i m processa ta t emperatureof 017 o_{C , 5}₁₇ o_{C d}_{a 0}_n ₁₈ o_{C d}_a_n _s_p_e_e_d_o_f₀_{4 , 0}₆ 0 8 d n a mrp .The resutl sshowed tha tthe morphology da n properite sof opitmal V P T obtainedat 517 o_C_t_e_m_p_e_r_a_t_u_r_e_,_r_o_t_o_r_s_p_e_e_d_o_f_{40 m}_r_p _a_n_d_M_N_R_{5 r}_{p .}_h y e K words: Compaitbiilzer ,MaleatedNatura lRubbe ,r MorphologyandProperites, Proces sCondiiton ,ThermoplasitcVulcanizate

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c it s a l p o m r e h T Vulcanizate (TPV )memiilk isfia tsepetr i i tr e p e s s e s o r p i d a s i b n u m a n , i s a s i n a k l u v r e t g n a y t e r a k p a h a t e k n a k g n a b m e k i d h a d u s g n a y V P T l a ir e t a M . k it s a l p n a a n u g g n e p n a k it n a g g n e m i a l u m l a i s r e m o k thermoset u r bber [1] .TPV dapa tdibua tdar icampuran poilprplien n a h a b m a n e p a p n a t n a d n a g n e d ) R N ( m a l a t e r a k n a d ) P P ( r e ll if .PermasalahanutamapencampuranPP ,NRdan ifller l e b it a p m o k g n a y n a r u p m a c a y n n a k li s a h i d m u l e b h a l a d a i s u b ir t s i d r e b h a d u m k a d it R N a s a f a n e r a k kedalammatirk s a s a F . P P ifller juga itdak mudah berdistirbus ike dalam n a k a n u g i d g n a y e d o t e m u t a s h a l a S . P P n u p u a m R N a s a f n a g n e d h a l a d a V P T k i n a k e m t a fi s n a k t a k g n i n e m k u t n u n a h a b m a n e p compaitbiilze rpada matirk sTPV .Selain tiu , r u p m a c n e p s e s o r p i s i d n o k anj ugamempengaruh isfia tdan .] 2 [ n a k li s a h i d g n a y i g o l o f r o m n a k u k a li d h a n r e p m a l a t e r a k s i s a b r e b V P T n a t a u b m e P n a it il e n e P . it il e n e p a p a r e b e b h e l o -peneilitant ersebu tantara n a r u p m a c n a g n e d V P T n i a l ifller siilka/carbonblack [3] ; k a n u g g n e m t e r a k t i s o p m o k an iflle rcarbon black dengan n a g n e d V P T ; ] 4 [ n a r u p m a c n e p u h u s i s a ir a v ifller sera t n a g n e d V P T ; ] 5 [ t i w a s t u b a s ifllerabusawi/tcarbonblack n a d compaitbiilzer MAPP [6] ; komposi t n o l y n / n e li p o r p y l o p -6dengancompaitbiilzer PP -g-MA[7] ; n a d ) P C D ( a d i s k o r e p l i m u k i d n a k a n u g g n e m V P T N-N-m-e d i m i e l a m s i b e n e l y n e h P (HVA-2 )sebaga icompaitbiilzer n a r u p m a c ; ] 8 [ low denstiy pholyethliene (LDPE)-Pat i i a g a b e s ) A M ( t a r d i h n a t a e l a m n a k a n u g n e m compaitbiilzer h a t 3 i u l a l e m V P T n a t a u b m e p ; ] 9 [ approse spencampuran .] 0 1 [ n a it il e n e p l i s a h i r a D -peneilitan tersebu t TPV yang n a k u k a li d u lr e p a g g n i h e s , l a m it p o m u l e b n a k li s a h i d k u t n u n a u j u tr e b i n i n a it il e n e P . t u j n a l h i b e l n a it il e n e p r a d a k h u r a g n e p n a k u t n e n e m n a d i r a j a l e p m e m r e z il i b it a p m o c MNR dan kondis iproses ,khususnya suhu n a d t a fi s n a t a k g n i n e p p a d a h r e t r o t o r n a t a p e c e k n a d i g o l o f r o m ThermoplasitcVulcanizate.

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i n a tr a M a ti s s u R Opitmailsas iKondis iProse sPencampuran 6 1 1

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1 . 2 . Bahan i a g a b e s n a k a n u g i d g n a y ) 0 0 0 1 F P ( n e li p o r p il o P n a g n e d ) e d a r g m li f ( 0 0 0 1 F P m a t y l o P h a l a d a c it s a l p o m r e h t 1 I F M 0g/10 meni tpada 230°Cdan denstia s0,91 g/cm3_, u j a l P , ) o r e s r e p ( a n i m a tr e P . T P h e l o i s k u d o r p i d .Kare talam R I S ( -20 )dar iPTRicr iRumbai .Abusawi tdar iPT .Sairka t . u r a b n a k e P , k e r o S u a i R a rt u P Carbon black itpe N330 it p r o s b a e n i d o i , m n 1 3 r e t e m a i d n a g n e d on Numbe r83 . r u fl u S sebaga icuraitveagent ,produks iPT .GandaMekar , . a i s e n o d n I ZnO(Zinc oxide )digunakansebaga iakitvator , d n a li a h T , l a c i m e h C l a b o l G h e l o i s k u d o r p .Asam stearat o k i a g a b e s n a k a n u g i d -akitvator ,produks ioleh PT .Sum i I l a c i m e h c o e l O h i s A ndusrty ,Indonesia .Tirmeit lquinone ) Q M T ( itpe Flecto l TMQ digunakan sebaga i ant i . y n a m r e G , s y x e l F h e l o i s k u d o r p , t n a d a r g e d o z n e b i d o t p a c r e M -thiazoledisulifde (MBTS ) digunakan , t n a l P l a c i m e h C g n ij n a N h e l o i s k u d o r p , r o t a r e l e s k a i a g a b e s a n i h C .MA untuk gratfing kare talam pada pembuatan h e l o i s k u d o r p i d , R N M s k u lf e r e m k u t n u a n e u l o T . R N M n a d y n a m r e G , d a t s m r a D , A a G K k c r e M parafifn sebaga i r e z i c it s a l p . . 2 .2 Prosedu rPeneilitan n a d t a fi s n a t a k g n i n e p i r a d n a it il e n e p n a g n a c n a r n u p a d A i g o l o f r o m Thermoplasitc Vulcanizate secara gair sbesa r : t u k ir e b i a g a b e s h a l a d a . 1 . 2 . 2 PenyiapanFille rHyb ird 0 0 2 n a k a y a n a k a n u g g n e m n a g n e d n a k s u l a h i d t i w a s u b A m u ir o t a r o b a L a d a p n a k u k a li d n a k a y a g n e p a n a m i d , h s e m n a d u a i R s a ti s r e v i n U , li p i S k i n k e T , n a h a B i g o l o n k e T u b a a d a p a k il i s n a g n u d n a k n a ij u g n e p n a k u k a li d n a i d u m e k l a k i p it a n e r a k , ti w a s abu sawti yang mengandung siilka i a g a b e s n a k a n u g i d k i a b i g g n it p u k u c ifller .Setelah tiuabu n a g n e d n a k r u p m a c i d t i w a s carbon black dengan l e b a ir a v n a g n e d i a u s e s n a g n i d n a b r e p iflle rhyb ird yang . n a k a n u g i d . 2 . 2 . 2 PenyiapanMaleatedNatura lRubber( MNR) i s a k it s a m i d ) R N ( m a l a t e r a K d idalam interna lmixe r 5 3 1 r u t a r e p m e t n a g n e d t i n e m 2 a m a l e s o_C _d_a_n _k_e_c_e_p_a_t_a_n . m p r 0 6 r o t o r Kemudian dtiambahkan malea tanhidirda i d n a d r h p 0 1 ) A M ( -mixer selama 10 menti .Maleated a d ir d i h n a (MA )yang itdak tergrafitng pada kare talam r a c n a g n e d n a k g n a li h i d a merelfuk sdengan toluena pada 0 1 1 u h u s o_C_s_e_l_a_m_a ₃_j_a_m_._K_e_m_u_d_i_a_n_M_N_R _d_i_o_v_e_n_p_a_d_a 0 4 u h u s o_C _s_e_l_a_m_a ₂₄ _j_a_m_._D_a_r_i_h_a_s_i_l_u_j_i_d_e_r_a_j_a_t_g_r_a_f_it_n_g g n it f a r g t a j a r e d i a li n a w h a b n a k t a p a d i d i s a rt it a r a c n a g n e d . 9 0 8 , 2 h a l a d a i n i n a it il e n e p k u t n u n a k a n u g i d g n a y R N M . 3 . 2 . 2 PenyiapanCompoundKaret d n u o p m o C kare tdisiapkan d idalam rol lmill pada suhu 0 3 ± ( r a m a k °C )dengan kecepatan putaran r oll 20 rpm . m a l a D rol lmill in iprose syang tejrad iadalah masitkas i n a h a b n a g n e d t e r a k n a r u p m a c n e p n a d m a l a t e r a k -bahan u ti a y , fi ti d a parafifn, carbon black/abu sawti 70/30%w ,t s e s o r p n a t u r U . r u fl u s n a d S T B M , Q M T , t a r a e t s m a s a , O n Z . 1 l e b a T a d a p n a k k u j n u ti d . 4 . 2 . 2 PencampuranMate ira ldiI nterna lMixer m a l a d i D interna l mixer dliakukan pencampuran PP , d n u o p m o c karetdancompaitbiilzer .Compaitbiilzer yang 5 n a d 2 n a k i s a ir a v i d r a d a k n a g n e d R N M h a l a d a n a k a n u g i d i d s e s o r p i s i d n o k k u t n U . r h p interna l mixe r vairas i n a h a b m a n e p k u t n u n a k u d a g n e p n a t a p e c e k compaitbiilze r 0 7 1 u ti a y u h u s i s a ir a v n a d m p r 0 8 n a d 0 6 , 0 4 u ti a y o_C_, 5 7 1 o_C_, _d_a_n ₁₈₀o_{C .} _U_r_u_t_a_n _p_r_o_s_e _s _p_e_n_c_a_m_p_u_r_a_n _p_a_d_a r e x i m l a n r e t n i dtiunjukkanpadaTabe l2. . 1 l e b a T Tahapan pembuatan compound kare tdalamr lol m lli o N Akitvtias Ku₍_pan_ht_r₎tia s m_{k -}e_eni t 1 Kare t 1 00 0 2 Penambahanparafifn 5 5 2 Penambahan iflle r 3 0 2 0 3 PenambahanZnO 5 4 0 4 Penambahan Asam t a r a e t S 2 4 5 5 PenambahanTMQ 1 5 5 6 PenambahanMBTS 0 ,6 7 0 7 PenambahanSuflur 3 8 0 8 Penghenitan prose s n a r u p m a c n e p - 8 5 . 2 l e b a T Tahapan prose spencampuran mateira ldalam i ent rna lmi xer o N Akitvtias ku(apnhtrti)a s Mk eeni t 1 PelelehanPP 3 0 0 2 Penambahan kompon t e r a k 7 0 4 3 PenambahanMNR 2dan5 8 4 Penghenitan prose s n a r u p m a c n e p - 1 2 . 5 . 2 . 2 PenguijanSfia tMekanik n a r u p m a c l e p m a s , k ir a t i j u a s il a n a n a k u k a li d m u l e b e S n a r a b m e l i tr e p e s k u t n e b i d R N / P P lf at dengan t a l a n a k a n u g g n e m ho tpress pada suhu 180°C dengan a m a l e s r a b 0 5 n a n a k e t 3-5 menti .Setelah tiu ,sampe l R N / P P n a r u p m a c l e p m a s h a l k u t n e b r e t n a d n a k n i g n i d i d n a r a b m e l k u t n e b m a l a d -lembaran .Tahapbeirkutnyaadalah n e m i s e p s k u t n e b m e m k u t n u n a r a b m e l n a g n o t o m e p t a l a n a k a n u g g n e m dumbbell .Jumlah spesimen pada uj i i d g n a y n e m i s e p s 5 l a m i n i m k ir a t potong dar iseitap ititk k ir a t i j u n a k u k a li d , u ti h a l e t e S . l e p m a s n a r a b m e l a d a p

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i g o l o i b o n k e T Vo.lI I INo.2 : 51 – 51 1 2 7 8 0 2 : N S S I - 5428 7 1 1 l i s a H . ti n e m / m m 0 5 n a t a p e c e k n a d g k 0 0 1 n a b e b n a g n e d n a g n a g e t n a g n u b u h k if a r g a p u r e b h e l o r e p i d g n a y k ir a t ij u (stress )terhadap regangan (tsrain )dar imasing-masing j u n e m i s e p s i .Hasi luijt airkdigunakanuntukmenentukan h t g n e r t s e li s n e t ,elongaiton a tbreak dan modulu selasitc i r a d blend. Ala tyang digunakan untuk melakukan uj i e li s n e t adalahuniversalt esitngmachine.

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. 1 . 3 PengaruhKada rCompaitbiilze rTerhadapSfia t V P T k i n a k e M ) a ( ) b ( ) c ( . 1 r a b m a G Pengaruhcompaitbiilze rMNRdankecepatan ) b ( , 0 7 1 ) a ( u h u s a d a p r e x i m l a n r e t n i i d r o t o r 0 8 1 ) c ( , 5 7 1 o_C_t_e_r_h_a_d_a_p_T_e_n_s_li_e_s_rt_e_n_g_t_h ) a ( ) b ( ) c ( . 2 r a b m a G Pengaruhcompaitbiilzer MNR dankecepatan i d r o t o r interna lmixerpadasuhu( a )170,( b ) 0 8 1 ) c ( , 5 7 1 o_C_t_e_r_h_a_d_a_p_E_l_o_n_g_a_it_o_n_a_t_b_r_e_a_k ( a) 0 , 0 0 , 1 0 , 2 0 , 3 0 , 4 0 4 60 )a P M( t hg ner ts elis ne T ) m p r ( r o t o r n a t a p e c e K 0 , 0 0 , 1 0 , 2 0 , 3 0 , 4 0 4 60 )a P M( t hg ner ts elis ne T ) m p r ( r o t o r n a t a p e c e K 0 , 0 0 , 1 0 , 2 0 , 3 0 , 4 0 , 5 0 4 60 80 )a P M( t hg ner ts elis ne T ) m p r ( r o t o r n a t a p e c e K i g o l o i b o n k e T Vo.lI I INo.2 : 51 – 51 1 2 7 8 0 2 : N S S I - 5428 7 1 1 l i s a H . ti n e m / m m 0 5 n a t a p e c e k n a d g k 0 0 1 n a b e b n a g n e d n a g n a g e t n a g n u b u h k if a r g a p u r e b h e l o r e p i d g n a y k ir a t ij u (tsress )terhadap regangan (tsrain )dar imasing-masing j u n e m i s e p s i .Hasi luijt airkdigunakanuntukmenentukan h t g n e r ts e li s n e t ,elongaiton a tbreak dan modulu selasitc i r a d blend. Ala tyang digunakan untuk melakukan uj i e li s n e t adalahuniversalt esitngmachine.

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. 1 . 3 PengaruhKada rCompaitbiilze rTerhadapSfia t V P T k i n a k e M ) a ( ) b ( ) c ( . 1 r a b m a G Pengaruhcompaitbiilze rMNRdankecepatan ) b ( , 0 7 1 ) a ( u h u s a d a p r e x i m l a n r e t n i i d r o t o r 0 8 1 ) c ( , 5 7 1 o_C_t_e_r_h_a_d_a_p_T_e_n_s_li_e_s_rt_e_n_g_t_h ) a ( ) b ( ) c ( . 2 r a b m a G PengaruhcompaitbiilzerMNR dankecepatan i d r o t o r interna lmixerpadasuhu( a )170,( b ) 0 8 1 ) c ( , 5 7 1 o_C_t_e_r_h_a_d_a_p_E_l_o_n_g_a_it_o_n_a_t_b_r_e_a_k ( a) 0 8 ) m p r ( r o t o r n a t a p e c e K R N M r h p 2 R N M r h p 5 0 8 ) m p r ( r o t o r n a t a p e c e K R N M r h p 2 R N M r h p 5 0 8 R N M r h p 2 R N M r h p 5 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 60 ) %( ka er b t a noi ta gn olE ) m p r ( r o t o r n a t a p e c e K 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 60 ) %( ka er b f o noi ta gn olE ) m p r ( r o t o r n a t a p e c e K 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 60 ) %( ka er b t a noi ta gn olE ) m p r ( r o t o r n a t a p e c e K 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 4 60 )a P M( yti cit sal e s ul ud o M ) m p r ( r o t o r n a t a p e c e K i g o l o i b o n k e T Vo.lI I INo.2 : 51 – 51 1 2 7 8 0 2 : N S S I - 5428 7 1 1 l i s a H . ti n e m / m m 0 5 n a t a p e c e k n a d g k 0 0 1 n a b e b n a g n e d n a g n a g e t n a g n u b u h k if a r g a p u r e b h e l o r e p i d g n a y k ir a t ij u (tsress )terhadap regangan (tsrain )dar imasing-masing j u n e m i s e p s i .Hasi luijt airkdigunakanuntukmenentukan h t g n e r ts e li s n e t ,elongaitona tbreak dan modulu selasitc i r a d blend. Ala tyang digunakan untuk melakukan uj i e li s n e t adalahuniversalt esitngmachine.

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. 1 . 3 PengaruhKada rCompaitbiilze rTerhadapSfia t V P T k i n a k e M ) a ( ) b ( ) c ( . 1 r a b m a G Pengaruhcompaitbiilze rMNRdankecepatan ) b ( , 0 7 1 ) a ( u h u s a d a p r e x i m l a n r e t n i i d r o t o r 0 8 1 ) c ( , 5 7 1 o_C_t_e_r_h_a_d_a_p_T_e_n_s_li_e_s_rt_e_n_g_t_h ) a ( ) b ( ) c ( . 2 r a b m a G Pengaruhcompaitbiilzer MNR dankecepatan i d r o t o r interna lmixerpadasuhu( a )170,( b ) 0 8 1 ) c ( , 5 7 1 o_C_t_e_r_h_a_d_a_p_E_l_o_n_g_a_it_o_n_a_t_b_r_e_a_k ( a) 0 8 ) m p r ( r o t o r n a t a p e c e K 2 R N M r h p 5 R N M r h p 0 8 ) m p r ( r o t o r n a t a p e c e K R N M r h p 2 R N M r h p 5 0 6 80 ) m p r ( r o t o r n a t a p e c e K R N M r h p 2 R N M r h p 5 0 6 80 ) m p r ( r o t o r n a t a p e c e K 2 R N M r h p 5 R N M r h p

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i n a tr a M a ti s s u R Opitmailsas iKondis iProse sPencampuran 8 1 1 ) b ( ) c ( . 3 r a b m a G Pengaruhcompaitbiilzer MNRdan kecepatan i d r o t o r interna lmixer pada suhu (a )170o_C_, 5 7 1 ) b ( o_C_,₍_c₎₁₈₀o_C_t_e_r_h_a_d_a_p_M_o_d_u_l_u_s_e_l_a_s_it_c i a li n n a k r a s a d r e B tenslie tsrength ,dapa tdiketahu ibahwa r a d a k compaitbiilzer MNR mempengaruh isfia tmekanik i a li n a w h a b 1 r a b m a g a d a p t a h il i d t a p a D . V P T i r a d tenslie h t g n e r ts TPV yang dihaslikan meningka t seiirng t a k g n i n e m nya kada rcompaitbiilzer MNR yangdigunakan . ] 1 1 [ V P T l a ir e t a m a d a p Compaitbiilzer merupakan n a d m a l a t e r a k n a k u d a m e m t a p a d g n a y k if i s e p s a w a y n e s r a l o p s u g u G . li b a t s h i b e l i d a j n e m l i b a t s k a d it g n a y P P o p t a fi s r e b a g u j g n a y r e ll if t a k i g n e m R N M i r a d t a r d i h n a la r n o p m o k i r a d R N s u g u g n a g n e d n a t a k ir e b R N s u g u g n a d t e r a k i s k a r e t n i n a k b a b e y n e m i n i n a t a k i g n e p s e s o r P . t e r a k n a k b a b e y n e m i n i l a H . h a m e l i d a j n e m r e ll if n a g n e d m a l a . m a l a t e r a k a d a p i s u b ir t s i d r e b h a d u m h i b e l P P I . m a l a t e r a k % 0 7 i r a d i ri d r e t V P T l a ir e t a M nteraks i r a d a k n a g n e d V P T a d a p r e ll if n a g n e d m a l a t e r a k a r a t n a r e z il i b it a p m o c MNR2ph rmasiht elralukua tdanmolekul -h i s a m P P a g g n i h e s g n a g g n e r g n a r u k m a l a t e r a k l u k e l o m u ti a r a t n e m e S . m a l a t e r a k a d a p i s u b ir t s i d r e b k u t n u t il u s r a d a k n a g n e d V P T a d a p compaitbiilze r MNR 2 phr , n a d h a m e l h i b e l r e ll if n a g n e d m a l a t e r a k a r a t n a i s k a r e t n i l u k e l o m -moleku lkare talam lebih renggang sehingga PP . m a l a t e r a k l a ir e t a m a d a p i s u b ir t s i d r e b h a d u m h i b e l a d a p r e ll if n a g n e d m a l a t e r a k a r a t n a i s k a r e t n i a r a t n e m e S r a d a k compaitbiilze r MNR 5 ph r lebih baik dan a g g n i h e s g n a g g n e r h i b e l m a l a t e r a k k ir t a m n a k b a b e y n e m . m a l a t e r a k k ir t a m e k i s u b ir t s i d r e b h a d u m h i b e l P P n a k a n u g g n e m n a g n e d n a k li s a h i d g n a y n a r u p m a C r e z il i b it a p m o c MNR 5 ph r lebih homogen sehingga y k ir a t t a u k t a fi s i k il i m e m angl ebihbaik .Nliait erbaikdar i h t g n e r t s e li s n e t yangdihaslikanpadapeneilitani n iadalah . a P M 7 0 8 0 , 4 i a li n n a g n e d a y n l a h a m a S tenslie tsrength, semakin r a d a k i g g n it compatiiilzer yang digunakan pada mater i i a li n i g g n it n i k a m e s a k a m , V P T elongaitonatbreakyang n a k a t a y n e m g n a y i r o e t n a g n e d i a u s e s i n i l a H . n a k li s a h i d a w h a b compaitbiilzer merupakansenyawa yangberfungs i n a r u p m a c a g g n i h e s n a r u p m a c i r a d i p l a t n e i g n a r u g n e m n i k a m e s n a d n e g o m o h i d a j n e m h a d u m h i b e l i d a j n e m k a y n a b compaitbiilzer yang digunakan entalp i akan l a H . ] 1 1 [ y n e g o m o h n i k a m e s n a r u p m a c n a d l i c e k n i k a m e s i j u l i s a h h e l o n a k k u j n u ti d i n i elongaiton a t break . n a k u k a li d g n a y n a it il e n e p l i s a h n a g n e d n a k r a s a d r e B A M n a k a n u g g n e m g n a y a y n m u l e b e s -g-PP sebaga i r e z il i b it a p m o c hasi lpeneliitanmemiilk inlia ielongaitona t k a e r b yangl ebihbesar[ 12] .Nlia ielongaitona tbreakyang i n i n a it il e n e p a d a p n a k g n a d e S . % 5 8 h a l a d a ] n a k li s a h i d n a it il e n e p a d a p n a k t a p a d i d g n a y k i a b r e t i a li n n a k t a p a d i d . % 3 0 , 2 0 1 h a l a d a i n i . 3 l e b a T Perbandingan sfia t mekanik berbaga isistem n a r u p m a c Thermoset dan Thermoplasitc e t a z i n a c l u V n a r u p m a C m e t s i S STrteennsgliteh ) a P M ( n o it a g n o l E k a e r B t a ) % ( n a g n e d P P / R N e n a li s r e z il i b it a p m o c dan n a h a b m a n e p ifllersiilca[13] 9 , 8 200,0 n a t a u b m e P Thermose t r e b b u R NR dengan n a r u p m a c n a k a n u g g n e m r e ll if siilca/carbon black ] 4 1 [ 0 , 1 3 700,0 a p n a t P P / R N ifller dan n a g n e d compaitbiilzer AM -g-PP[ 15] 7 , 7 512,0 n a g n e d P P / R N iflle rcarbon k c a l b [16] 8 ,0 301,0 n a g n e d P P / R N ifller abu ] 7 1 [ ti w a s 1 0,8 247,6 n a g n e d P P / R N iflle rhyb ird /t i w a s u b a carbon black dan r e z il i b it a p m o c MAPP[ 6] 9 , 5 116,0 n a g n e d P P / R N iflle rhyb ird /t i w a s u b a carbon black dan r e z il i b it a p m o c MNR ]i n i n a it il e n e p [ 1 , 4 102,0 i a li n n a k i a n e K elongaiton a tbreak in idisebabkan A M n a a n u g g n e p a d a p a n e r a k -g-PPfase yangdimodiifkas i k u t n e b m e m n a g n e d u ti a y a y n a r a C . P P n a a k u m r e p h a l a d a n a g n e d A M s u g u g a r a t n a n a t a k i ifllerdangugu sPPdengan n a a n u g g n e p a d a p n a k g n a d e S . a y n n i a l P P s u g u g r e z il i b it a p m o c MNR yang fase dimodiifkas i adalah a d a p A M n a k t a k i g n e m a r a c n a g n e d m a l a t e r a k n a a k u m r e p r e ll if dan gugu sNR pada kompon kare tdan selanjutnya 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 4 60 80 )a P M( yti cit sal a s ul ud o M ) m p r ( r o t o r n a t a p e c e K 2 R N M r h p T N M r h p 5 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 4 60 80 )a P M( yti cit sal E s ul ud o M ) m p r ( r o t o r n a t a p e c e K 2 R N M r h p 5 R N M r h p

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i g o l o i b o n k e T Vo.lI I INo.2 : 51 – 51 1 2 7 8 0 2 : N S S I - 5428 9 1 1 h i b e l h a d u s g n a y t e r a k n o p m o k a d a p P P n a k i s u b ir t s i d n e m i s i s o p m o k i n i V P T n a t a u b m e p a d a p a n e r a K . g n a g g n e r N / P P h a l a d a n a k a n u g i d g n a y R 30/70 sehingga h i b e l n a r u p m a c n a d k i a b h i b e l P P i s u b ir t s i d n a k b a b e y n e m . n e g o m o h n a it il e n e p n a g n e d n a k g n i d n a b i d a k i J -peneilitan yang i a li n , a y n m u l e b e s n a k u k a li d tenslie tsrength pada i d a jr e t i n i t a fi s n a n u r u n e P . h a d n e r t a g n a s i n i n a it il e n e p a b m a n e p a n e r a k hanMNRdliakukansetelahpelelehanPP i d interna lmixer . Karena fase yangdimodiifkas iadalah n a h a b m a n e p a y n s u r a h e s , m a l a t e r a k n a a k u m r e p r e z il i b it a p m o c MNR dtiambahkan pada kompon kare t i d u l u h a d h i b e lr e t rol lmill dan kemudian dicampurkan i d P P n a g n e d interna lmixer .Pencampuran MNR setelah a s i b k a d it t e r a k n o p m o k n a k b a b e y n e m P P n a h e l e l e p . R N M h e l o l a m i s k a m a r a c e s i s a k if i d o m i d i j u l i s a h i r a D modulu selasitc dapa tdiketahu ibahwa a k ij i g g n it h i b e l n a k li s a h i d g n a y V P T s a ti s it s a l e n a k a n u g g n e m n a k g n i d n a b i d compaitbiilze r MAPP .Hasi l i j u modulu selasitc pada gamba r3 menunjukkan bahwa r a d a k i g g n it n i k a m e s compaitbiilzer MNR maka nlia i c it s a l e s u l u d o m akans emakinmenurun .TPVdengankada r r e z il i b it a p m o c MNR 2 ph r cenderung memiilk i nlia i c it s a l e s u l u d o m lebih itngg idibandingkan TPV dengan r a d a k compaitbiilzer MNR 5 phr .Penurunan sfia tin i R N M g n it f a r g r e t h a l e t g n a y t e r a k n a a k u m r e p a n e r a k i d a jr e t a k i g n e p i d a jr e t tanantarakare talamdenganMNRs ehingga i n i n a g n a b a c r e P . g n a b a c r e b i d a j n e m m a l a t e r a k r u t k u rt s n a d u k a k h i b e l i d a j n e m V P T t a fi s n a k b a b e y n e m g n a y r a d a k n a h a b m a n e P . ] 0 1 [ c it s a l e g n a r u k compaitbiilzer n a g n a b a c r e p n a k b a b e y n e m k a y n a b n i k a m e s g n a y R N M n i k a m e s banyakdansfia tTPV semakin kaku .Sedangkan a n e r a k s it s a l e h i b e l V P T t a fi s r h p 2 R N M r a d a k n a g n e d n a k t a p a d i d g n a y k i a b r e t li s a H . n a g n a b a c r e p k u t n e b r e t k a d it 2 R N M r a d a k a d a p a P M 3 3 9 , 8 5 h a l a d a i n i n a it il e n e p a d a p .r h p il e n e p n a g n e d n a g n i d n a b r e p n a k r a s a d r e B itan n a g n e d , ] 6 [ a y n m u l e b e s modulu selasitc35MPadan36,2 i a li n n a t a k g n i n e p i d a jr e t i n i n a it il e n e p a d a p , ] 2 1 [ modulu s c it s a l e . Ha lin i disebabkan karena penambahan MNR i a g a b e s compaitbiilzer menyebabkan tejradinya a d a P . n a r u p m a c a d a p R N r a d a k n a h a b m a tr e p campuran t a fi s r e b m e m g n a y r e m o t s a l e i a g a b e s i s g n u f r e b R N , V P T . V P T n a r u p m a c a d a p c it s a l e . 2 . 3 PengaruhKada rCompaitbiilze rTerhadapSfia t V P T k i n a k e M , s e s o r p i s i d n o k a w h a b t a h il i d t a p a d 4 r a b m a G i r a D i d u h u s a m a t u r e t interna lmixer member ipengaruh pada a fi s tmekanik TPV .Dapa tdiilha tbahwa semakin itngg i V P T k i n a k e m t a fi s n u r u n e m n i k a m e s a k a m r u t a r e p m e t 0 7 1 u h u s a d a P . n a k li s a h i d g n a y o_C_d_i_d_a_p_a_t_k_a_n_n_li_a_i_u_j_i_s_fi_a_t u h u s n a g n e d n a k g n i d n a b i d i g g n it g n il a p g n a y k i n a k e m 5 7 1 g n a y o_C _d_a_n ₁₈₀o_C_. _h_a_l _i_n_i _b_e_r_k_a_ti_a_n _d_e_n_g_a_n i a g a b e s R N M n a h a b m a n e p compaitbiilzer yang dapa t n a r u p m a c n a k b a b e y n e m i n i l a h . ] 9 [ h e l e l k it it n a k n u r u n e m 0 7 1 u h u s a d a p o_C _t_e_r_b_e_n_t_u_k _d_e_n_g_a_n _s_a_n_g_a_t_b_a_i_k_._N_a_m_u_n_, u l a lr e t n a r u p m a c n a b a b e y n e m u rt s u j u h u s n a t a k g n i n e p k u t n e b r e t a g g n i h e s i s a s i n a k l u v r e t a m a l cycil csulifdepada t e r a k i s k a r e t n i n a k b a b e y n e m , m a l a t e r a k i s r e p s i d r e t a s a f n a g n e d m a l a ifller menjad ilemah .Ha lin isesua idengan u l a lr e t g n a y r u t a r e p m e t a w h a b n a k a t a y n e m g n a y i r o e t r u t k u rt s k a s u r e m t a p a d i s a s i n a k l u v s e s o r p a d a p i g g n it .] 2 [ n a r u p m a c ) a ( ) b ( ) c ( . 4 r a b m a G Pengaruh temperatu rterhadap sfia tmekanik ) a ( V P T tenslie Strength ,(b )elongaiton a t , k a e r b (c )modulu selasitc k i a b r e t l i s a h a w h a b i u h a t e k i d t a p a d i j u l i s a h i r a D k i n a k e m i j u l i s a h i k il i m e m tenslie tsrengthsebesa r4,0807 0 5 , 01 5 , 12 5 , 23 5 , 34 5 , 4 0 7 1 175 180 )a P M( ht gn ert S el is ne T ( u h u S o_C₎ 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 7 1 175 180 ) %( ka er B t a n oit ag nol E ) C o ( u h u S 0 5 0 1 5 1 0 2 5 2 0 3 5 3 0 4 0 7 1 175 180 )a P M( cit sal E s ul ud o M ( u h u S o_C₎

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i n a tr a M a ti s s u R Opitmailsas iKondis iProse sPencampuran 0 2 1 , a P M elongaiton a tbreak 70,8280% dan modulu selasitc a P M 9 6 0 , 8 3 r a s e b e s yatiupadakondis i40r pm ,170°Cdan . R N M r h p 5 . 3 . 3 PengaruhKecepatanRoto rTerhadapSfia tMekanik V P T , 0 4 n a k a n u g i d g n a y r o t o r n a t a p e c e k a p u r e b s e s o r p i s i d n o K n a it il e n e p a d a P . m p r 0 8 n a d 0 6 -peneilitan yang telah n a k a n u g i d g n a y r o t o r n a t a p e c e k a y n m u l e b e s n a k u k a li d 0 5 a r a t n a r a s i k r e b -70 rpm .Dar ihasi lpeneilitan yang a w h a b t a h il i d t a p a d 3 n a d 2 , 1 r a b m a g a d a p n a k k u j n u ti d a k a m n a k a n u g i d g n a y r o t o r n a t a p e c e k i g g n it n i k a m e s m t a fi s h a d n e r n i k a m e s ekanik TPV sepetr idinyatakan t a p a d i g g n it u l a lr e t g n a y r o t o r n a t a p e c e k a w h a b i r o e t m a l a d i n i n a it il e n e p l i s a H . ] 2 [ l a ir e t a m n a k a s u r e k n a k b a b e y n e m i a li n n a g n e d n a k k u j n u ti d tenslie strength ,elongaiton a t k a e r b danmodulu selasitcyangs emakinmenurun. a fi S t mekanik in i berkatian dengan penambahan r e z il i b it a p m o c MNR pada campuran yang berfungs i h e l e l k it it n a n u r u n e p n a g n e D . h e l e l k it it n a k n u r u n e m k u t n u n a k h u t u b i d g n a y r o t o r n a t a p e c e k l a ir e t a m n a t a p e c e k a d a P . r a s e b u l a lr e t k a d it l a ir e t a m n a k r u p m a c n e m 0 4 r o t o r rpmdapa tdimasitkas idenganbaik .Penambahan n a k a s u r e k n a k b a b e y n e m t a p a d s e s o r p a d a p r o t o r n a t a p e c e k g n a y k i n a k e m t a fi s i j u l i s a h a g g n i h e s l a ir e t a m a d a p u h u s a d a p n a k u k a li d a k ij a m a t u r e T . n u r u n e m n a k li s a h i d k u t n e b r e t n a k a a k a m , i g g n it cycilc sulifde pada fasa m a l a t e r a k i s k a r e t n i n a k b a b e y n e m , m a l a t e r a k i s r e p s i d r e t n a g n e d ifllermenjadil emah .Dar ihasi luj idapa tdiketahu i k i n a k e m i j u l i s a h i k il i m e m k i a b r e t l i s a h a w h a b tenslie h t g n e r ts sebesa r 4,0807 MPa , elongaiton a t break n a d % 0 8 2 8 , 0 7 modulu selasitc sebesa r38,069 MPa yatiu ° 0 7 1 , m p r 0 4 i s i d n o k a d a p Cdan5ph rMNR. . 4 . 3 Morfolog iTPV i u h a t e k i d R N / P P t i s o p m o k l a ir e t a m i r a d i g o l o f r o M ( M E S i j u l i s a h n a k r a s a d r e b Scanning Electron y p o c s o r c i M ) .Dalam anailsi sfoto SEM dapa tdiketahu i u r e p n a d k u t n e b bahanpermukaandar imateira lyangdiuij . , l a ir e t a m a d a p n a h a b u r e p i d a jr e t a li b a y n p i s n ir p a d a P i r a d r u t k u rt s n a h a b u r e p n a d , n a k u k e l , n a h a t a p a y n l a s i m i m a l a g n e m g n u r e d n e c t u b e s r e t l a ir e t a m a k a m , n a a k u m r e p a p a d t u b e s r e t h a b u r e b g n a y i g r e n E . i g r e n e n a h a b u r e p t h a b u i d a tr e s p a r e s i d n a d , n a k l u t n a p i d , n a k r a c n a p i d t a p a d g n a y n o rt k e l e g n a b m o l e g i s g n u f i d a j n e m a y n k u t n e b u a t a a t a D . M E S o t o f a d a p a y n li s a h a c a b i d n a d p a k g n a ti d u a t a n a a k u m r e p i r a d a t a d h a l a d a h e l o r e p i d g n a y n a li p m a t 0 2 r a ti k e s a y n l a b e t g n a y n a s i p a l i r a d µm dar ipermukaan . i f a r g o p o t n a k a p u r e m h e l o r e p i d g n a y n a a k u m r e p r a b m a G a d a p g n a b u l n a d , n a k u k e l , n a l o j n o t a l a g e s n a g n e d . n a a k u m r e p a s il a n A morfolog i dliakukan pada sampe l dengan n a a n u g g n e p compaitbiilzer MNR 4 ph r pada kondis i 0 7 1 n a d m p r 0 4 s e s o r p o_C_d_a_n_s_e_b_a_g_a_i_p_e_m_b_a_n_d_i_n_g_n_y_a_T_P_V r a d a k n a g n e d compaitbiilzer MNR 2 ph rdengan kondis i 0 7 1 n a d m p r 0 4 s e s o r p o_C _s_e_tr_a _T_P_V _d_e_n_g_a_n _k_a_d_a_r r e z il i b it a p m o c MNR 5ph rdengankondis iprose s80rpm 0 8 1 n a d o_C_._M_i_k_r_o_g_r_a_f_S_E_M _d_a_r_i_k_e_d_u_a _s_a_m_p_e_l _ti_u _d_a_p_a_t r a b m a G a d a p t a h il i d 5 ,6 d 7. an r a b m a G 5 (a )memperilhatkan distirbus i ifller yang i d a jr e t t a a s a d a p n a d t e r a k s k ir t a m a m a s r e b t a k ir e t i d i s u b ir s i d r e t n a k a i s a k it s a m r e t t e r a k , s i m a n i d i s a s i n a k l u v r a b m a G a d a p n a k u p m u t n a d n a l o j n o T . P P s k ir t a m m a l a d 5 t i w a s u b a l e k it r a p h a l a d a ) a ( dancarbonblack yang itdak a g g n i h e s t e r a k s k ir t a m m a l a d i d k i a b n a g n e d i s u b ir t s i d r e t m a l a d i d n a r u p m a c n e p u t k a w a d a p a tr e s ,i s a r e m o l g a i d a jr e t r e x i m l a n r e t n i fasa terdispers i (kompon karet ) itdak . ) P P ( a y n i s r e p s i d n e p a s a f a d a p k i a b n a g n e d i s r e p s i d r e t r a b m a G 5 (b )denganperbesaran5.000x memperilhatkan a w h a b n a k k u j n u n e m g n a y g n o s o k a g g n o r n a d n a l o j n o t . P P s k ir t a m m a l a d k i a b r u p m a c r e b k a d it i s a k it s a m r e t t e r a k Rongga kosong anta rpoilme rdan ifller tejrad ikarena i s a r e m o l g a k u t n e b m e m g n a y t i w a s u b a n a g n u r e d n e c e k l i s k o r d i h s u g u g i k il i m e m t i w a s u b a a d a p a k il i s n a k a n e r a k i d l u k e l o m n a g n e d n e g o r d y h n a t a k i u t n a b m e m n a k a g n a y a fi s r e b g n a y n i a l a i m i k l a ir e t a m u a t a a k il i s tpola.r ) a ( ) b ( r a b m a G 5 .Mikrogra fSEMpada komposi tPP/NR pada n a a n u g g n e P compaitbiilze rMNR 2 ph rpada 0 7 1 u h u s o_C _d_a_n _k_e_c_e_p_a_t_a_n _r_o_t_o_r₄₀ _r_p_m ₍_a₎ x 0 0 0 . 5 n a r a s e b r e p ) b ( n a d , x 0 0 0 . 1 n a r a s e b r e p P P k ir t a m a d a p a t a r e m k a d it g n a y t e r a k n a r a b e y n e P h e l e l k it it i a p a c n e m k a d it g n a y u h u s a n e r a k i d a jr e t a g u j a g g n i h e s g n a r u k g n a y r o t o r n a t a p e c e k a tr e s k it s a l p o m r e t r a d a K . n e g o m o h g n a r u k i d a j n e m n a r u p m a c n e p r e z il i b it a p m o c MNR yanghanya2phrj ugamenyebabkan i n a tr a M a ti s s u R Opitmailsas iKondis iProse sPencampuran 0 2 1 , a P M elongaiton a tbreak 70,8280% dan modulu selasitc a P M 9 6 0 , 8 3 r a s e b e s yatiupadakondis i40r pm ,170°Cdan . R N M r h p 5 . 3 . 3 PengaruhKecepatanRoto rTerhadapSfia tMekanik V P T , 0 4 n a k a n u g i d g n a y r o t o r n a t a p e c e k a p u r e b s e s o r p i s i d n o K n a it il e n e p a d a P . m p r 0 8 n a d 0 6 -peneilitan yang telah n a k a n u g i d g n a y r o t o r n a t a p e c e k a y n m u l e b e s n a k u k a li d 0 5 a r a t n a r a s i k r e b -70 rpm .Dar ihasi lpeneilitan yang a w h a b t a h il i d t a p a d 3 n a d 2 , 1 r a b m a g a d a p n a k k u j n u ti d a k a m n a k a n u g i d g n a y r o t o r n a t a p e c e k i g g n it n i k a m e s m t a fi s h a d n e r n i k a m e s ekanik TPV sepetr idinyatakan t a p a d i g g n it u l a lr e t g n a y r o t o r n a t a p e c e k a w h a b i r o e t m a l a d i n i n a it il e n e p l i s a H . ] 2 [ l a ir e t a m n a k a s u r e k n a k b a b e y n e m i a li n n a g n e d n a k k u j n u ti d tenslie strength ,elongaiton a t k a e r b danmodulu selasitcyangs emakinmenurun. a fi S t mekanik in i berkatian dengan penambahan r e z il i b it a p m o c MNR pada campuran yang berfungs i h e l e l k it it n a n u r u n e p n a g n e D . h e l e l k it it n a k n u r u n e m k u t n u n a k h u t u b i d g n a y r o t o r n a t a p e c e k l a ir e t a m n a t a p e c e k a d a P . r a s e b u l a lr e t k a d it l a ir e t a m n a k r u p m a c n e m 0 4 r o t o r rpmdapa tdimasitkas idenganbaik .Penambahan n a k a s u r e k n a k b a b e y n e m t a p a d s e s o r p a d a p r o t o r n a t a p e c e k g n a y k i n a k e m t a fi s i j u l i s a h a g g n i h e s l a ir e t a m a d a p u h u s a d a p n a k u k a li d a k ij a m a t u r e T . n u r u n e m n a k li s a h i d k u t n e b r e t n a k a a k a m , i g g n it cycilc sulifde pada fasa m a l a t e r a k i s k a r e t n i n a k b a b e y n e m , m a l a t e r a k i s r e p s i d r e t n a g n e d ifllermenjadil emah .Dar ihasi luj idapa tdiketahu i k i n a k e m i j u l i s a h i k il i m e m k i a b r e t l i s a h a w h a b tenslie h t g n e r ts sebesa r 4,0807 MPa , elongaiton a t break n a d % 0 8 2 8 , 0 7 modulu selasitc sebesa r38,069 MPa yatiu ° 0 7 1 , m p r 0 4 i s i d n o k a d a p Cdan5ph rMNR. . 4 . 3 Morfolog iTPV i u h a t e k i d R N / P P t i s o p m o k l a ir e t a m i r a d i g o l o f r o M ( M E S i j u l i s a h n a k r a s a d r e b Scanning Electron y p o c s o r c i M ) .Dalam anailsi sfoto SEM dapa tdiketahu i u r e p n a d k u t n e b bahanpermukaandar imateira lyangdiuij . , l a ir e t a m a d a p n a h a b u r e p i d a jr e t a li b a y n p i s n ir p a d a P i r a d r u t k u rt s n a h a b u r e p n a d , n a k u k e l , n a h a t a p a y n l a s i m i m a l a g n e m g n u r e d n e c t u b e s r e t l a ir e t a m a k a m , n a a k u m r e p a p a d t u b e s r e t h a b u r e b g n a y i g r e n E . i g r e n e n a h a b u r e p t h a b u i d a tr e s p a r e s i d n a d , n a k l u t n a p i d , n a k r a c n a p i d t a p a d g n a y n o rt k e l e g n a b m o l e g i s g n u f i d a j n e m a y n k u t n e b u a t a a t a D . M E S o t o f a d a p a y n li s a h a c a b i d n a d p a k g n a ti d u a t a n a a k u m r e p i r a d a t a d h a l a d a h e l o r e p i d g n a y n a li p m a t 0 2 r a ti k e s a y n l a b e t g n a y n a s i p a l i r a d µm dar ipermukaan . i f a r g o p o t n a k a p u r e m h e l o r e p i d g n a y n a a k u m r e p r a b m a G a d a p g n a b u l n a d , n a k u k e l , n a l o j n o t a l a g e s n a g n e d . n a a k u m r e p a s il a n A morfolog i dliakukan pada sampe l dengan n a a n u g g n e p compaitbiilzer MNR 4 ph r pada kondis i 0 7 1 n a d m p r 0 4 s e s o r p o_C_d_a_n_s_e_b_a_g_a_i_p_e_m_b_a_n_d_i_n_g_n_y_a_T_P_V r a d a k n a g n e d compaitbiilzer MNR 2 ph rdengan kondis i 0 7 1 n a d m p r 0 4 s e s o r p o_C _s_e_tr_a _T_P_V _d_e_n_g_a_n _k_a_d_a_r r e z il i b it a p m o c MNR 5ph rdengankondis iprose s80rpm 0 8 1 n a d o_C_._M_i_k_r_o_g_r_a_f_S_E_M _d_a_r_i_k_e_d_u_a _s_a_m_p_e_l _ti_u _d_a_p_a_t r a b m a G a d a p t a h il i d 5 ,6 d 7. an r a b m a G 5 (a )memperilhatkan distirbus i ifller yang i d a jr e t t a a s a d a p n a d t e r a k s k ir t a m a m a s r e b t a k ir e t i d i s u b ir s i d r e t n a k a i s a k it s a m r e t t e r a k , s i m a n i d i s a s i n a k l u v r a b m a G a d a p n a k u p m u t n a d n a l o j n o T . P P s k ir t a m m a l a d 5 t i w a s u b a l e k it r a p h a l a d a ) a ( dancarbonblackyang itdak a g g n i h e s t e r a k s k ir t a m m a l a d i d k i a b n a g n e d i s u b ir t s i d r e t m a l a d i d n a r u p m a c n e p u t k a w a d a p a tr e s ,i s a r e m o l g a i d a jr e t r e x i m l a n r e t n i fasa terdispers i (kompon karet ) itdak . ) P P ( a y n i s r e p s i d n e p a s a f a d a p k i a b n a g n e d i s r e p s i d r e t r a b m a G 5 (b )dengan perbesaran 5.000x memperilhatkan a w h a b n a k k u j n u n e m g n a y g n o s o k a g g n o r n a d n a l o j n o t . P P s k ir t a m m a l a d k i a b r u p m a c r e b k a d it i s a k it s a m r e t t e r a k Rongga kosong anta rpoilme rdan ifller te jrad ikarena i s a r e m o l g a k u t n e b m e m g n a y t i w a s u b a n a g n u r e d n e c e k l i s k o r d i h s u g u g i k il i m e m t i w a s u b a a d a p a k il i s n a k a n e r a k i d l u k e l o m n a g n e d n e g o r d y h n a t a k i u t n a b m e m n a k a g n a y a fi s r e b g n a y n i a l a i m i k l a ir e t a m u a t a a k il i s tpola.r ) a ( ) b ( r a b m a G 5 .Mikrogra fSEM pada komposi tPP/NR pada n a a n u g g n e P compaitbiilze rMNR 2 ph rpada 0 7 1 u h u s o_C _d_a_n _k_e_c_e_p_a_t_a_n _r_o_t_o_r₄₀ _r_p_m ₍_a₎ x 0 0 0 . 5 n a r a s e b r e p ) b ( n a d , x 0 0 0 . 1 n a r a s e b r e p P P k ir t a m a d a p a t a r e m k a d it g n a y t e r a k n a r a b e y n e P h e l e l k it it i a p a c n e m k a d it g n a y u h u s a n e r a k i d a jr e t a g u j a g g n i h e s g n a r u k g n a y r o t o r n a t a p e c e k a tr e s k it s a l p o m r e t r a d a K . n e g o m o h g n a r u k i d a j n e m n a r u p m a c n e p r e z il i b it a p m o c MNR yanghanya2phrj ugamenyebabkan i n a tr a M a ti s s u R Opitmailsas iKondis iProse sPencampuran 0 2 1 , a P M elongaiton a tbreak 70,8280% dan modulu selasitc a P M 9 6 0 , 8 3 r a s e b e s yatiupadakondis i40r pm ,170°Cdan . R N M r h p 5 . 3 . 3 PengaruhKecepatanRoto rTerhadapSfia tMekanik V P T , 0 4 n a k a n u g i d g n a y r o t o r n a t a p e c e k a p u r e b s e s o r p i s i d n o K n a it il e n e p a d a P . m p r 0 8 n a d 0 6 -peneilitan yang telah n a k a n u g i d g n a y r o t o r n a t a p e c e k a y n m u l e b e s n a k u k a li d 0 5 a r a t n a r a s i k r e b -70 rpm .Dar ihasi lpeneilitan yang a w h a b t a h il i d t a p a d 3 n a d 2 , 1 r a b m a g a d a p n a k k u j n u ti d a k a m n a k a n u g i d g n a y r o t o r n a t a p e c e k i g g n it n i k a m e s m t a fi s h a d n e r n i k a m e s ekanik TPV sepetr idinyatakan t a p a d i g g n it u l a lr e t g n a y r o t o r n a t a p e c e k a w h a b i r o e t m a l a d i n i n a it il e n e p l i s a H . ] 2 [ l a ir e t a m n a k a s u r e k n a k b a b e y n e m i a li n n a g n e d n a k k u j n u ti d tenslie strength ,elongaiton a t k a e r b danmodulu selasitcyangs emakinmenurun. a fi S t mekanik in i berkatian dengan penambahan r e z il i b it a p m o c MNR pada campuran yang berfungs i h e l e l k it it n a n u r u n e p n a g n e D . h e l e l k it it n a k n u r u n e m k u t n u n a k h u t u b i d g n a y r o t o r n a t a p e c e k l a ir e t a m n a t a p e c e k a d a P . r a s e b u l a lr e t k a d it l a ir e t a m n a k r u p m a c n e m 0 4 r o t o r rpmdapa tdimasitkas idenganbaik .Penambahan n a k a s u r e k n a k b a b e y n e m t a p a d s e s o r p a d a p r o t o r n a t a p e c e k g n a y k i n a k e m t a fi s i j u l i s a h a g g n i h e s l a ir e t a m a d a p u h u s a d a p n a k u k a li d a k ij a m a t u r e T . n u r u n e m n a k li s a h i d k u t n e b r e t n a k a a k a m , i g g n it cycilc sulifde pada fasa m a l a t e r a k i s k a r e t n i n a k b a b e y n e m , m a l a t e r a k i s r e p s i d r e t n a g n e d ifllermenjadil emah .Dar ihasi luj idapa tdiketahu i k i n a k e m i j u l i s a h i k il i m e m k i a b r e t l i s a h a w h a b tenslie h t g n e r ts sebesa r 4,0807 MPa , elongaiton a t break n a d % 0 8 2 8 , 0 7 modulu selasitc sebesa r38,069 MPa yatiu ° 0 7 1 , m p r 0 4 i s i d n o k a d a p Cdan5ph rMNR. . 4 . 3 Morfolog iTPV i u h a t e k i d R N / P P t i s o p m o k l a ir e t a m i r a d i g o l o f r o M ( M E S i j u l i s a h n a k r a s a d r e b Scanning Electron y p o c s o r c i M ) .Dalam anailsi sfoto SEM dapa tdiketahu i u r e p n a d k u t n e b bahanpermukaandar imateira lyangdiuij . , l a ir e t a m a d a p n a h a b u r e p i d a jr e t a li b a y n p i s n ir p a d a P i r a d r u t k u rt s n a h a b u r e p n a d , n a k u k e l , n a h a t a p a y n l a s i m i m a l a g n e m g n u r e d n e c t u b e s r e t l a ir e t a m a k a m , n a a k u m r e p a p a d t u b e s r e t h a b u r e b g n a y i g r e n E . i g r e n e n a h a b u r e p t h a b u i d a tr e s p a r e s i d n a d , n a k l u t n a p i d , n a k r a c n a p i d t a p a d g n a y n o rt k e l e g n a b m o l e g i s g n u f i d a j n e m a y n k u t n e b u a t a a t a D . M E S o t o f a d a p a y n li s a h a c a b i d n a d p a k g n a ti d u a t a n a a k u m r e p i r a d a t a d h a l a d a h e l o r e p i d g n a y n a li p m a t 0 2 r a ti k e s a y n l a b e t g n a y n a s i p a l i r a d µm dar ipermukaan . i f a r g o p o t n a k a p u r e m h e l o r e p i d g n a y n a a k u m r e p r a b m a G a d a p g n a b u l n a d , n a k u k e l , n a l o j n o t a l a g e s n a g n e d . n a a k u m r e p a s il a n A morfolog i dliakukan pada sampe l dengan n a a n u g g n e p compaitbiilzer MNR 4 ph r pada kondis i 0 7 1 n a d m p r 0 4 s e s o r p o_C_d_a_n_s_e_b_a_g_a_i_p_e_m_b_a_n_d_i_n_g_n_y_a_T_P_V r a d a k n a g n e d compaitbiilzer MNR 2 ph rdengan kondis i 0 7 1 n a d m p r 0 4 s e s o r p o_C _s_e_tr_a _T_P_V _d_e_n_g_a_n _k_a_d_a_r r e z il i b it a p m o c MNR5ph rdengankondis iprose s80rpm 0 8 1 n a d o_C_._M_i_k_r_o_g_r_a_f_S_E_M _d_a_r_i_k_e_d_u_a _s_a_m_p_e_l _ti_u _d_a_p_a_t r a b m a G a d a p t a h il i d 5 ,6 d 7. an r a b m a G 5 (a )memperilhatkan distirbus i ifller yang i d a jr e t t a a s a d a p n a d t e r a k s k ir t a m a m a s r e b t a k ir e t i d i s u b ir s i d r e t n a k a i s a k it s a m r e t t e r a k , s i m a n i d i s a s i n a k l u v r a b m a G a d a p n a k u p m u t n a d n a l o j n o T . P P s k ir t a m m a l a d 5 t i w a s u b a l e k it r a p h a l a d a ) a ( dancarbonblackyang itdak a g g n i h e s t e r a k s k ir t a m m a l a d i d k i a b n a g n e d i s u b ir t s i d r e t m a l a d i d n a r u p m a c n e p u t k a w a d a p a tr e s ,i s a r e m o l g a i d a jr e t r e x i m l a n r e t n i fasa terdispers i (kompon karet ) itdak . ) P P ( a y n i s r e p s i d n e p a s a f a d a p k i a b n a g n e d i s r e p s i d r e t r a b m a G 5 (b )denganperbesaran5.000x memperilhatkan a w h a b n a k k u j n u n e m g n a y g n o s o k a g g n o r n a d n a l o j n o t . P P s k ir t a m m a l a d k i a b r u p m a c r e b k a d it i s a k it s a m r e t t e r a k Rongga kosong anta rpoilme rdan ifller te jrad ikarena i s a r e m o l g a k u t n e b m e m g n a y t i w a s u b a n a g n u r e d n e c e k l i s k o r d i h s u g u g i k il i m e m t i w a s u b a a d a p a k il i s n a k a n e r a k i d l u k e l o m n a g n e d n e g o r d y h n a t a k i u t n a b m e m n a k a g n a y a fi s r e b g n a y n i a l a i m i k l a ir e t a m u a t a a k il i s tpola.r ) a ( ) b ( r a b m a G 5 .Mikrogra fSEMpada komposi tPP/NR pada n a a n u g g n e P compaitbiilze rMNR 2 ph rpada 0 7 1 u h u s o_C _d_a_n _k_e_c_e_p_a_t_a_n _r_o_t_o_r₄₀ _r_p_m ₍_a₎ x 0 0 0 . 5 n a r a s e b r e p ) b ( n a d , x 0 0 0 . 1 n a r a s e b r e p P P k ir t a m a d a p a t a r e m k a d it g n a y t e r a k n a r a b e y n e P h e l e l k it it i a p a c n e m k a d it g n a y u h u s a n e r a k i d a jr e t a g u j a g g n i h e s g n a r u k g n a y r o t o r n a t a p e c e k a tr e s k it s a l p o m r e t r a d a K . n e g o m o h g n a r u k i d a j n e m n a r u p m a c n e p r e z il i b it a p m o c MNR yanghanya2phrj ugamenyebabkan