Polymerisation product of C2F4 (carbon tetraflouride) is called P.T.F.E. (poly c

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Polymerisation product of C₂F₄ (carbon tetraflouride) is called P.T.F.E. (poly chloro tetra flouro ethylene). It is also called
Options
A. polyurethane
B. silicone rubber
C. teflon
D. epoxy resin

Correct Answer

teflon

Polymer Technology problems

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1. Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its
Options
A. tensile strength
B. chemical resistance
C. flexibility
D. all (a), (b) & (c)

3. Epoxy resin is a polymer containing two or more groups called epoxide group or ethoxyline group. It is a
Options
A. polyamide & an elastomer.
B. good adhesive.
C. surface coating agent.
D. both (b) and (c).

5. Catalyst used in the production of high density polythene by low pressure Ziegler process is
Options
A. aluminium triethyl activated with TiCl₄
B. platinum
C. molybdenum
D. Nickel

7. Polymerisation process in which two or more monomers of chemically different nature take part is called
Options
A. copolymerisation
B. addition polymerisation
C. chain polymerisation
D. none of these

9. Polyvinyl chloride (PVC) is
Options
A. a thermosetting material.
B. a condensation polymerisation product.
C. made by employing emulsion polymerisation.
D. none of these.

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