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Abbreviations and symbols - IDR - IIT Kharagpur

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Abbreviations and symbols

AFM Atomic force microscopy

ATRA Atom transfer radical addition

ATRP BBPE BPO Bpy n-BMA

Atom transfer radical polymerization 1,2-Bis(bromopropionyloxy)ethane Benzoyl peroxide

2,2'-bipyridine

n-butyl methacrylate

CRP Controlled radical polymerization

CTA Chain transfer agent

DLS Dynamic light scattering

Dimethylformamide

Dynamic mechanical thermal analysis 2-(dimethylamino)ethyl methacrylate Dimethyl sulfoxide

Degree of polymerization Differential scanning calorimetry Degenerative transfer

4,4'-di(5-dinonyl)-2,2'-bipyridine Ethyl acrylate

Ethyl 2-bromoisobutyrate Ethylene carbonate

Energy-dispersive X-ray spectroscopy Conventional free radical polymerization Fourier transform infrared spectroscopy Gel permeation chromatography Hexyl acrylate

Tetrachloroauric acid

2-Hydroxy ethyl methacrylate DMF

DMTA DMAEMA DMSO.

DP DSC DT dNbpy EA EBiB EC EDX FRP FTIR GPC HA HAuCl4 HEMA

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HMTETA HRTEM

MALDI-TOF-MS

MA MBrP MMA MHM

MWD MMD MMT NHPMI NMP NMR PDI PEBr PHA PRE PMDETA

PMAA-PNIPAM PNIPAM

PNIPAM-PS PNC

PNCI PNCSL

PS RAFT

1,1,4,7,10,10 hexamethyl triethylene tetramine High-resolution transmission electron microscopy Matrix-Assisted Laser Desorption Ionization Mass Spectrometry

Methyl acrylate

Methyl 2-bromopropionate Methyl methacrylate

Poly(methyl methacrylate)-b-poly(hexyl acrylate)-b- poly(methyl methacrylate)

Molecular weight distribution Molar mass distribution Montmorillonite

N-(n-hexyl)-2-pyridylmethanimine Nitroxide mediated polymerization Nuclear magnetic resonance Polydispersity index

1-Phenyl ethyl bromide Poly (hexyl acrylate) Persistent radical effect

N,N,Nc,N˝,N˝ pentamethyl diethylene triamine Poly(methacrylic acid-block-N-isopropylacrylamide) Poly(N-isopropylacrylamide)

Poly(N-isopropylacrylamide-block-polystyrene) Polymer nanocomposite

Polymer nanocomposite prepared by in situ ATRP Polymer nanocomposite prepared by solution blending

Polystyrene

Reversible addition fragmentation chain transfer reaction

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RF SEM SIP SI-ATRP SFRP SPR TEA THF TPE TGA UV Wt.%

Reinforcement factor

Scanning electron microscopy Surface-initiated polymerization Surface-initiated ATRP

Stable free radical polymerization Surface plasmon resonance

Triethyl amine Tetrahydrofuran

Thermoplastic elastomers Thermo gravimetric analysis Ultra violet

Weight percentage

d001 Eƍ Gƍ I2

Basal spacing of clay

Storage (elastic or Young’s) modulus Shear modulus

Initiator

Mn Number average molecular weight

Mw Weight average molecular weight

Mw/Mn Polydispersity index

Tg Glass transition temperature

M0 Molecular weight of the monomer

[M] Concentration of a generic monomer molecule

M· Generic monomer radical

P Pa

Polymer chain Pascal

Rp Rate of polymerization

x ktc

Conversion

Rate constant of bimolecular termination by radical combination

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ktd Rate constant of termination by disproportionation kp Rate constant of propagation reaction

ktr Rate constant of chain transfer reaction Keq Equilibrium constant (ka/kd)

kapp Apparent rate constant

td Dispersion time

Mn,theo

Mn,expt

Theoretically calculated molecular weight Experimentally obtained molecular weight

Ȝ Wavelength

Ieff

s

Initiator efficiency Second

TĮ Į-transition temperature

Tll Liquid-liquid-transition temperature Șapp

Șf

Șu

Ȗ·app

Steady state shear viscosity

Shear viscosity of the filled polymer Shear viscosity of the unfilled polymer Shear rate

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