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.Management Sciences
Category: Polymer Technology
Styrene butadiene rubber is commercially manufactured by__________________?
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A. Bulk polymerisation
B. Suspension polymerisation
C. Solution polymerisation
D. Emulsion polymerisation
Lavatory cisterns are normally made of ________________?
A. Expanded polystyrene
B. Saturated polyester
C. Perspex
D. PVC
Catalyst used in the production of high density polythene by low pressure Ziegler process is ____________________?
A. Aluminium triethyl activated with TiCl4
B. Platinum
C. Molybdenum
D. Nickel
Which of the following is a polymer of Hexamethylene diamine and adipic acid ?
A. Nylon-6
B. Nylon-66
C. Nylon-6, 10
D. Epoxy resin
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.
Trade name of ______________ is neoprene?
A. Polychlorophrene
B. Polyisoprene
C. Polytetrafluoroethylene
D. Poly vinyl acetate
Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are added to polymers to act as __________________?
A. Hardeners
B. Anti-shrinkage agents
C. Plasticisers
D. Transparency improver
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