Q. Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is

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Q. The process involved in converting rubber into a thin sheet or coating it on fabric is called

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Q. Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?

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Q. Nylon-66 is manufactured from

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Q. In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher

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Q. Vulcanisation of rubber does not increase its

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Q. Which of the following is a copolymer ?

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Q. Styrene butadiene rubber (SBR) is never used for making

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Q. Cross linked polymers are

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Q. Thermosetting polymers as compared to thermoplastic polymers

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Q. The monomer of natural rubber is

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Q. In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.

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Q. Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces

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Q. Dacron is a/an

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Q. All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic

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Q. Polymerisation product of C₂F₄ (carbon tetraflouride) is called P.T.F.E. (poly chloro tetra flouro ethylene). It is also called

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Q. Bakelite is a/an

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Q. Polyvinyl alcohol is used as a

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Q. Benzoyl chloride is not used as a catalyst in the manufacture of

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Q. The conversion of caprolactum in the above case is about __________ percent.

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