Which ones of the following are correct?

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A.Trans-polyisoprene is more readily packed and crystallizable, and has properties of crystalline polymers.

B.Cis-polyisoprene is more readily packed and crystallizable, and thus has properties of crystalline polymers.

C.Trans-polyisoprene is tougher and harder than cis-polyisoprene

D.Cis-polyisoprene is tougher and harder than trans-polyisoprene

正确答案：Trans-polyisoprene is more readily packed and crystallizable, and has properties of crystalline polymers.；Trans-polyisoprene is tougher and harder than cis-polyisoprene

Tag：材料导论时间：2021-12-31 13:05:53

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