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.Management Sciences
Category: Polymer Technology
Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber ?
A. Carbon
B. Alkylated diphenyl amine
C. Thiokol
D. Magnesium
Neoprene is the trade name of________________?
A. Polyurethane
B. Phenol formaldehyde
C. Polychlorophrene
D. Styrene butadiene rubber (SBR)
Most commonly used rubber vulcanisation agent is __________________?
A. Sulphur
B. Bromine
C. Platinum
D. Alumina
Which of the following is not a condensation polymer ?
A. Bakelite
B. Melamine polymer
C. Poly-methyl-methacrylate (PMMA)
D. None of these
Bakelite is a/an ______________________?
A. Addition polymer
B. Elastomer
C. Thermoplastic
D. None of these
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