ASTM

ACN

b

BMC

BP

BPA

BPN

BPO

BPA/EC

CON

CF

CPF

CPN

cps

CSM

CTBN

CTPB

d20

d

DGEBA

DICY

DMA

DMC

DSC

EB

EB

EC

ECN

EPN

ETPB

ABBREVIATIONS AND SYMBOLS

American standards and testing methods manual

Acrylonitrile

Width of specimen tested

Bulk molding compounds

Boiling point

Bisphenol A •

Butyl phenol novolac

Benzoyl peroxide

Bisphenol A Icardanol epoxides

Cardanol novolac

Cardanol-formaldehyde resol

Cardanol-phenol-formaldehyde resol

Cardanol-phenol novolac

Centipoise

Chopped strand mat

Carboxyl terminated butadiene-acrylonitrile rubber

Carboxyl terminated polybutadiene

Density at 20°C

Depth of specimen

Diglycidyl ether ofbisphenol A

Dicyandiamide

Dynamic mechanical analysis

Dough moulding compounds

Differential scanning calorimetry

Elongation-at -break

Modulus of elasticity in bending

Epoxy cardanol

Epoxy cresol novo lac

Epoxidised phenolic novo lac

Epoxidised HTPB

FRP

FTIR

GP

GPC

h

NMR

HDT

HPN

HTNR

HTPB

Hz

lA

IPN

IUPR

L

L.R.

MA

MA-g-NBR

MDA

MF

min

Mn

mol

m

MP

MPa

N

NBR

nm ,.. NR

P

Fibre reinforced plastics

Fourier Transform infrared

General purpose

Gel permeation chromatography

Hours

Nuclear magnetic resonance

Heat deflection temperature

Hybrid polymer networks

Hydroxyl terminated natural rubber

Hydroxyl terminated polybutadiene

Hertz

Isophthalic acid

Interpenetrating polymer networks

Isophthalic resin

Support span

Laboratory reagent

Maleic anhydride

Maleated nitrile rubber

Methylene dianiline

Melamine- formaldehyde

Minutes

Number average molecular weight.

Mole

Slope of the tangent to the initial straight line portion of the

load-deflection curve

Melting point

Mega Pascal

Normality

Acrylonitrile-butadiene rubber (nitrile rubber)

Nanometre

Natural rubber

Load at any point on the load -elongation curve

PA Phthalic anhydride

PB Breaking load

PEEK Poly(ether ether ketone)

PEI Poly(ether imide)

PEK Po Iy( ether ketone)

PEO Polyethylene oxide

PES Poly(ether sulfone)

PF Phenol formaldehyde .,

phr Parts by hundred parts by weight of resin

PN Phenol novolac

PU Polyurethane

PIPS Polymerisation induced phase separation

rpm Revolutions per minute

RRIM Reinforced resin injection moulding

RTM Resin transfer moulding

S Stress in the outer fibres at midpoint

SEM Scanning electron microscopy

SMC Sheet molding compounds

SRIM Structural resin injection moulding

TDI Toluene diisocyanate (TDI)

TGA Thermogravimetric analysis

Tg G lass transition temperature

TIPS Thermally induced phase separation

UF Urea-formaldehyde

UP Unsaturated polyester

UPR GP grade Orthophthalic resin

UTM Universal Testing Machine

UV Ultra violet

VARI Vacuum assisted resin injection

Vp Volume fraction of polymer

wpe Weight per epoxy

WRM Woven roving mat

Publications in international journals

1. Blends of epoxy and epoxidised novolac resins, K. P. Unnikrishnan and Eby

Thomas Thachil,. Journal of Elastomers and Plastics, Vo1.37, No. 4, 347-359,

2005.

2. Studies on the modification of commercial epoxy resin using cardanol -

formaldehyde copolymers, K. P. Unnikrishnan and Eby Thomas Thachil,

International Journal of Polymeric Materials (In press).

3. Ageing and thermal studies on epoxy resin modified by epoxy novolacs,

K.P.Unnikrishnan and Eby Thomas Thachil, Polymer-Plastics, Technology and

Engineering (In press. PPTE # 206902065)

4. Hybrid polymer networks of epoxy resin and substituted phenolic novolacs,

K.P.Unnikrishnan and Eby Thomas Thachil, International Journal of

Polymeric Materials (Accepted.)

5. Toughening of epoxy resins-a review., K.P. Unnikrishnan and Eby Thomas

Thachil, Polymer-Plastics, Technology and Engineering ( Accepted. PPTE #

221010275)

6. Effect of phenol/formaldehyde stoichiometry on the modification of epoxy

resin using epoxidised novolacs, K.P.Unnikrishnan and Eby Thomas Thachil,

International Journal of Polymeric Materials (Accepted. GPOM-6613 8)

7. Studies on the modification of commercial epoxy resin using cardanol based

phenolic resins, K.P. Unnikrishnan and Eby Thomas Thachil, Journal of

Elastomers and Plastics (Communicated id.,# JEP 4344)

8. Ageing and thermal studies on unsaturated polyester resin modified by epoxy

resins, Benny Cherian. A, Unnikrishnan K.P. and Eby Thomas Thachil,

Journal of Applied Polymer Science (I.D. # 16394 Communicated).

lA"'lVV,

Papers presented in international seminars/conferences

1. Studies on blends of epoxy resin with epoxidised novolac resins. International

Seminar on Advances in Polymer Technology, Jan 16 tol7, 2004, Eindhoven

University of Technology, The Netherlands and PSRT, CUSAT, Kochi.

2. Influence of phenol - formaldehyde ratio on the modification of epoxy resin

using epoxidised novolacs, Proceedings of the ICBC 2005, International

Conference on "Advances in Polymer Blends, Composites, IPNs and Gels:

Macro to Nano Scales, March 21-23, 2005, School of Chemical Sciences, MG

University, Kottayam

3. Interpenetrating Polymer Networks of Unsaturated polyester and Epoxy

Resins, (A.Benny Cherian and K.P.Unnikrishnan), ICBC 2005, International

Conference on "Advances in Polymer Blends, Composites, IPNs andGels:

Macro to Nano Scales, March 21-23, 2005, School of Chemical Science.

M.G. University, Kottayam.

Paper presented in national seminars/symposia

1. Effect of si lane coupling agent on the mechanical properties of filled epoxy

composites Proceeding of the UGC sponsored National Seminar, Read MS-

2005, Recent Advances Membrane Science and Technology, March 09-10,

2005, NSS College, Nenmara, University of Calicut.