Polymer Technology


  Orion is

A. a copolymer.
B. a condensation polymer.
C. obtained by polymerising vinyl cyanide.
D. all (a), (b) and (c).


The physical state in which polymers exist is

A. melts & rubber like state.
B. amorphous glassy state.
C. partially crystalline state.
D. all (a), (b) and (c).


Molecular weight of polymers are in the range of

A. 10 to 103
B. 102-107
C. 107-109
D. 109-1011


The inter particle forces between linear chains in nylon-66 are __________ bonds.

A. hydrogen
B. covalant
C. ionic
D. none of these


  Amino resins are used in paper treatment to improve its

A. wet tear and bursting strength.
B. folding endurance
C. wet rub resistance
D. all (a), (b) & (c)