Fundamentals of Materials Science and Engineering: An Integrated Approach, 3e

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

Appendix D / Repeat Unit Structures for Common Polymers • 835

Chemical Name Repeat Unit Structure

Poly(amide-imide) (PAI)

C

N R

N C C

H

O

O O

Polybutadiene CC

H

H

H

C

H

H

C

H

Poly(butylene terephthalate) (PBT) O C C

H

H

H

C O

O

H H

C

H

H

C

H

C

O

Polycarbonate (PC) C

CH 3

CH 3

O O C

O

Polychloroprene CC

Cl

H

H

C

H

H

C

H

Polychlorotrifluoroethylene C

F

F

C

Cl

F

Poly(dimethyl siloxane) (silicone rubber) Si

CH 3

CH 3

O

Polyetheretherketone (PEEK) O O C

O

Polyethylene (PE) C

H

H

C

H

H