The extraction separation experiment and differential scanning calorimetric measurement indicate that the resultant belongs to crystallizable isotactic polymer, possessing isotactic index ranging from 45% to 90%, melting point 215 ℃ and Vicat softening point 193 ℃.

  • 抽提分离和差示扫描量热法测试表明,其为结晶型全同立构聚合物,全同立构含量为45%~90%,熔点为215℃,维卡软化点为193℃。

  • 互联网摘选 2025-01-20 12:34:24

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