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POLYMER TECHNOLOGY

Polymer Technology
Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as

Plasticisers
Hardeners
Transparency improver
Anti-shrinkage agents

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Polymer Technology
In condensation polymerisation as compared to addition polymerisation

The monomers contain two functional groups
No co-product is lost
Generally only one monomer is involved
The monomers are unsaturated compounds

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Polymer Technology
Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800?

49200
50800
51600
50000

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Polymer Technology
Terylene is a/an

Homopolymer
None of these
Poly amide
Addition polymer

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Polymer Technology
In nylon-6, the number 6 represents the total number of

Nitrogen atoms in the ring
Carbon atoms in the ring
Hydrogen atoms in the ring
Carbon atoms in the linear polymer chain

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