The Crystall ization Behavior of Polypropylene Alloy

Li ZHOU; Li WANG; Yan LIU; Xu-teng HU; Jian-jun YI; Zhong-qi REN

doi:10.14028/j.cnki.1003-3726.2011.05.015

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The Crystall ization Behavior of Polypropylene Alloy

更新时间：2022-09-18

- The Crystall ization Behavior of Polypropylene Alloy
- Polymer Bulletin Vol. 24, Issue 5, Pages: 87-92(2011)
- 作者机构：
  
  1.中国石油天然气股份有限公司石油化工研究院，北京　100195
  2.北京化工大学，北京　100029
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2011.05.015
  CLC：
- Published：2011-05，
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Li ZHOU, Li WANG, Yan LIU, Xu-teng HU, Jian-jun YI, Zhong-qi REN. The Crystall ization Behavior of Polypropylene Alloy. [J]. Polymer Bulletin 24(5):87-92(2011)
DOI：

Li ZHOU, Li WANG, Yan LIU, Xu-teng HU, Jian-jun YI, Zhong-qi REN. The Crystall ization Behavior of Polypropylene Alloy. [J]. Polymer Bulletin 24(5):87-92(2011) DOI： 10.14028/j.cnki.1003-3726.2011.05.015.

摘要

结晶度、晶粒尺寸和分布、球晶形貌是聚丙烯材料力学性能的重要影响因素之一。与均聚聚丙烯相比

聚丙烯釜内合金的球晶尺寸较小

球晶形态不完善

有利于其抗冲击强度的提高。为了使聚丙烯釜内合金具有较好的力学性能

需要有尺寸适中的球晶结构以及均匀的球晶分布。同时聚丙烯釜内合金中共聚物组分结晶度的提高有利于材料冲击性能的改善。

Abstract

The crystallinity of polypro pylene

grain size and distribution

and the morphology of spherulite affect its mechanical properties greatly

especially the impact strength. Polypropylene alloy has better impact strength for its smaller spherulite and more defect in spherulite. And polypropylene alloy has better performance if the spherulite has moderate size and uniform distribution. The crystallinity of copolymer also affect the mechanical properties of polypropylene alloy

and increasing the crystallinity of copolymer mayincreasing its impact strength.

关键词

聚丙烯釜内合金结晶行为力学性能

Keywords

Polypropylene alloyCrystalli zation behaviorMechanical property

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