Mastication of rubber means_______________?

Byadmin March 7, 2019August 25, 2021

Mastication of rubber means_______________?

A. Its softening
B. A treatment to retard its deterioration due to oxidation
C. Improving its curing rate
D. Depression of its freezing point

Polymer Technology

The major component of acrylic fibers is__________________?

The major component of acrylic fibers is__________________?

A. Polyamides
B. Polyolefins
C. Polyacrylonitrile
D. Polyesters

Read More The major component of acrylic fibers is__________________?
CHEMICAL ENGINEERING | Polymer Technology

__________ polymer is used for making unbreakable crockery.

Question: __________ polymer is used for making unbreakable crockery.
[A].

Thermoplastic
[B].
Melamine
[C].
Addition
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ polymer is used for making unbreakable crockery.
Polymer Technology

Addition of stabiliser during PVC manufacture is done to________________?

Addition of stabiliser during PVC manufacture is done to________________?

A. Improve its impact strength
B. Improve its elasticity
C. Reduce the melt viscosity & glass transition temperature
D. Prevent its thermal degradation

Read More Addition of stabiliser during PVC manufacture is done to________________?
Polymer Technology

Vulcanisation of rubber does not increase its__________________?

Vulcanisation of rubber does not increase its__________________?

A. Softness
B. Oxidation resistance
C. Weight & strength
D. Elasticity & water solubility

Read More Vulcanisation of rubber does not increase its__________________?
CHEMICAL ENGINEERING | Polymer Technology

Properties of a polymer is affected by the

Question: Properties of a polymer is affected by the
[A].

chain length.
[B].
intermolecular forces.
[C].
branching & cross-linking.
[D].
all (a), (b).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Properties of a polymer is affected by the
Polymer Technology

Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?

Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?

A. Ethylene glycol
B. Stearic acid estors
C. Tricresyl phosphate
D. Esters of phthalic acid

Read More Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?

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