Polymer Technology

Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ?

A. Water impermeable cellophane
B. Polythene
C. Cellulose acetate
D. Teflon

A. Melts & rubber like state
B. Amorphous glassy state
C. Partially crystalline state
D. All A., B. and C.

A. Polyamide
B. Polyester
C. Polyolefin
D. Addition polymer

A. Lucite
B. Sulphonated Bakelite
C. Polystyrene
D. Teflon

A. Nylon-6
B. Nylon-66
C. Polystyrene
D. PVC

A. 100
B. 150
C. 350
D. 450

A. poly-methyl-methacrylate
B. Polystyrene
C. Unsaturated polyester
D. Polypropylene

A. Polystyrene
B. Polypropylene
C. Neoprene
D. None of these

A. Soft
B. Less elastic
C. Plastic
D. Tacky

A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon