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Polymer Technology

Polymer Technology
Synthetic polymer produced by using terephthalic acid and ethylene glycol is

Nylon-66
Polyesterene
PVC
Terylene

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Polymer Technology
Nylon-66 is manufactured from

Maleic anhydride and hexamethylene diamine
Adipic acid and hexamenthylene diamine
Dimethyl terephthalate (DMT) and ethylene glycol
Caprolactum

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Polymer Technology
Nylon-66 is a polyamide of

Vinyl chloride and formaldeyde
Hexamethylene diamine and adipic acid
Adipic acid and methyl amine
None of these

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Polymer Technology
Cross linked polymers are

Fibres only
Thermoplastic
Thermosetting
Either A or B

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Polymer Technology
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?

Ammonium alum
Neither A nor B
Potassium alum
Both A & B

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Polymer Technology
Cellulose content in bomboo fibre is about __________ percent.

10
20
85
50

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