True or False. For Thermoplastic material: a) An increased degree of crystallini

Question

True or False. For Thermoplastic material:

a) An increased degree of crystallinity of the material increases the strength

b) Introduction of pendant atomic groups to the main carbon chain decreases the strength

3) True or False questions For a Thermoplastic material: a) An increased degree of crystallinity of the material increases the strength. b) Introduction of pendant atomic groups to the main carbon chain decreases the strength c) Bonding highly polar atoms on the main carbon chain increases the strength.

Explanation / Answer

a) Answer : true

Explanation : crystallinity is ordered arrangement, enabling The molecule to fit closter together, therefore the increased degree of crystallinity will increase the strength.

b) answer : true

Explanation : by introducing pendant atomic group to the main carbon will decrease the orderness arrangment therefore the strength decreases.

c) answer is true

Explanation : by introducing polar atoms, non-covalent interaction between the molecule increases as a result strength increases.

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