Explain ethylene-propylene rubber is completely amorphous

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Reference no: EM13204949

In 65 weight % ethylene and 35 weight % propylene copolymer, how many CH 3 groups are there, per 1000 C atoms (main chain)? ethylene-propylene rubber (EPR) is completely amorphous you may ignore the ends of the chains

Reference no: EM13204949

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