GTBL042-App-D GTBL042-Callister-v3 September 21, 2007 20:32
836 • Appendix D / Repeat Unit Structures for Common Polymers
Chemical Name Repeat Unit Structure
Poly(ethylene terephthalate) (PET) O C C
H
H
H
C O
O
H
C
O
Poly(hexamethylene adipamide) (nylon 6,6) N
H
N
H
CC
H 64
H O
C
H
H
C
O
Polyimide
C
C
C
N R
C
O O
N
O O
Polyisobutylene CC
CH 3
H CH 3
H
cis-Polyisoprene (natural rubber) CC
CH 3
H
H
C
H
H
C
H
Poly(methyl methacrylate) (PMMA)
CC
CH 3
H CH 3
H
C O
O
Poly(phenylene oxide) (PPO)
CH 3
CH 3
O
Poly(phenylene sulfide) (PPS)
S
Poly(paraphenylene terephthalamide) (aramid) NNC
O
H
H
C
O