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Polymer Technology

Polymer Technology
The generic chemical name for the class of polymers which are commerically known as nylons is

Polyolefins
Polyacrylate
Polyamide
Polyurathane

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Polymer Technology
Nylon-66 compared to nylon-6 has

More abrasion resistant properties
Higher hardness
Lower melting point
All of these

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Polymer Technology
Thermosetting polymers as compared to thermoplastic polymers

Are formed by addition polymerisation
Have three dimensional structure
Have linear structure
None of these

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Polymer Technology
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids?

Nucleic acids
Proteins
Starch
Cellulose

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Polymer Technology
Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its

Plasticity
Strength
Weathering characteristics
Elasticity

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Polymer Technology
Thermosetting resins/polymers as compared to thermoplastic ones are

Formed by addition polymerisation only
Easily reshaped & reused
More brittle
Soluble in all organic solvents

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