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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 6
41.
Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used
for surface coating of automobiles & air crafts.
for fibre making.
as plasticiser for PVC & nitrocellulose.
for film forming materials.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The monomer for the production of neoprene rubber is
acetylene
chloroprene
isoprene
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
A copolymer is formed by the combination of two or more monomer molecules
in a chain without the elimination of water.
with the elimination of small amount of water.
of the same monomer by elimination of small molecules of water.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Thermoplastic resins usually
remain hard as long as they are hot.
can not be reclaimed from waste.
permanent setting resins.
less brittle than thermosetting resins.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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