Cellulose acetate has very high film permeability among all the polymers of the order ofgm/m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ?
Addition polymerisation is not involved in the manufacture of
Buna-N is also called
Viscosity of a polymer solution or melt
Which of the following is not a polymer of two monomers ?
Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are
Polypropylene is preferred to polythene, because the former is
Nylon-6 as compared to nylon-is
Flexible foam (for mattresses) are usually made of
Pick out the correct statement.
__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.
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