GTBL042-App-D GTBL042-Callister-v3 September 21, 2007 20:32

AppendixD Repeat Unit Structures

for Common Polymers

Chemical Name Repeat Unit Structure

Epoxy (diglycidyl ether of

bisphenol A, DGEPA)

CCH 2 CH

CH 3 OH

CH 3

O O CH 2

Melamine-formaldehyde (melamine)

N H

N

H

H C

H

H H

H

C

C

H

N

N

C

N

N

C C

H

Phenol-formaldehyde (phenolic)

OH

C C

C

H H

H H

HH

Polyacrylonitrile (PAN) C C

C N

H

H

H

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