Polymer Technology

A. PVC
B. Polythene
C. Teflon/Dacron
D. Polystyrene

A. Decreases its tensile strength
B. Increases its ozone & oxygen reactivity
C. Increases its oil & solvent resistance
D. Converts its plasticity into elasticity

A. Polychlorophrene
B. Polyisoprene
C. Polytetrafluoroethylene
D. Poly vinyl acetate

A. Cellulose acetate
B. Polyvinyl acetate
C. Thiokol
D. PVC

A. Addition polymer
B. Condensation polymer
C. Polyester
D. Both B. and C.

A. Better heat & acid resistant properties
B. Poorer resistance to alkalis
C. Poorer dyeability
D. All A., B. and C.

A. Polyamides
B. Polyolefins
C. Polyacrylonitrile
D. Polyesters

A. Vinyl acetate
B. Vinyl chloride
C. Propylene
D. Styrene

A. Dacron
B. Nylon
C. Rayon
D. Orion

A. Thiokol (a polysulphide rubber)
B. Butyl rubber
C. Neoprene
D. Polyurethane rubber