Nn4

Indicate if each of the polymers described below would be expected to be an elastomer, a thermoset (nonelastomer), or a thermoplastic polymer at room temperature. Linear polyvinyl chloride that has a glass-transition temperature of 100 C. thermoplastic Choose ] thermoplastic A heavily crosslinked polypropylene that has a glass- thermoseton-elastomer transition temperature of 10 C. thermoset/elastomer A random and lightly crosslinked block copolymer that has a glass-transition temperature of -20*C. I Choose |