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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 4
16.
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding
glycerol
nitro cellulose
camphor
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Phthalic anhydride is used
in making PVC
as plasticisers
in insecticides manufacture
for making nylon-6
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Polythene is a/an
addition polymerisation product.
condensation polymerisation product.
thermosetting material.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Synthetic polymer produced by using terephthalic acid and ethylene glycol is
terylene
nylon-66
PVC
polyesterene
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Catalyst used in the production of high density polythene by low pressure Ziegler process is
aluminium triethyl activated with TiCl4
platinum
molybdenum
Nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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