1. what advantage does crystalline in a polymer offer? what disadvantages? 2. wh

Question

1. what advantage does crystalline in a polymer offer? what disadvantages?

2. why are thermosetting plastics not affected by solvents to the same extent as thermoplastic?

3. what significance does electronic notation have to the study of plastics?

4. why does the element carbon have the atomic weight of 12?

what is the element of electronic rotation 1s2 2s2 2p6 3s2 3p5?

5. why does cross linking affect solubility, melt viscosity, recyclability, modulus, and services temperature?

6. what influence can processing have on the amount and orientation of crystallinity?

Explanation / Answer

1. The advantage of crystalline in polymer is strength. Crystalline polymers are high melting, rigid and unaffected by solvent penetration .The disadvantage is that a completely crystalline polymer will be brittle and lowers their impact resistance.

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