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Polymer Technology

Polymer Technology
Alkyd resin can not be used for making

Film forming materials
Fibres
Plasticiser
Paint & varnish

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Polymer Technology
SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at

3:1
1:2
1:3
2:1

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Polymer Technology
__________ is an addition polymer

None of these
Bakelite
Nylon
Polythene

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Polymer Technology
Low pressure Zeigler process of polythene manufacture

Produces very low density polythene
Employs a pressure of 30 kgf/cm²
Achieves an yield of 95-98% based on ethylene
Does not use any catalyst for polymerisation

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Polymer Technology
Polyurathane can not be used to make

Coating and adhesive
Thermal insulation in refrigerator
Fibre reinforced plastic (FRP)
Automobile cushion

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Polymer Technology
Cation exchange resins used in water treatment is made from __________ resin.

Urea formaldehyde
Amino
Phenolic
Epoxy

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