Polymer Science & Technology.

Cellulose acetate ✘ Polyvinyl acetate ✘ Thiokol ✘ PVC ✔

fibrous ✘ plastic ✘ resinous ✘ rubbery ✔

vinyl acetate ✘ vinyl chloride ✘ propylene ✘ styrene ✔

cold SBR ✘ butyl rubber ✘ Bunai N ✘ Buna S ✔

monomer ✘ synthetic rubber ✘ polyester ✘ none of these ✔

as a plasticiser for unsaturated polyester. ✘ in the manufacture of synthetic rubber. ✘ as an anti-skimming agent in paint. ✘ none of these. ✔

its softening. ✘ a treatment to retard its deterioration due to oxidation. ✘ improving its curing rate. ✘ depression of its freezing point. ✔

bakelite ✘ teflon ✘ perspex ✘ nylon-6 ✔

nylon-6 ✘ dacron ✘ polyester ✘ PVC ✔

nitrile ✘ silicone ✘ neoprene ✘ butyl ✔