EXAMIANS
Which of the following polymers has the tendency of decomposing before melting?
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Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins.
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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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Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten
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Poly tetra flouro ethylene (PTFE) is known as
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The main use of butadiene is
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Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
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__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.
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Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.
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Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
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