CRYSTALLIZATION KINETICS OF FIRE-RETARDANT POLYPROPYLENE SYSTEM

LUO Xiao-lie; ZHANG Rui-yun; MA De-zhu

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CRYSTALLIZATION KINETICS OF FIRE-RETARDANT POLYPROPYLENE SYSTEM

Research Article | 更新时间：2021-03-19

- CRYSTALLIZATION KINETICS OF FIRE-RETARDANT POLYPROPYLENE SYSTEM
- Acta Polymerica Sinica Issue 1, Pages: 18-23(1990)
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- Published：20 February 1990，
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LUO Xiao-lie, ZHANG Rui-yun, MA De-zhu. CRYSTALLIZATION KINETICS OF FIRE-RETARDANT POLYPROPYLENE SYSTEM. [J]. Acta Polymerica Sinica (1):18-23(1990)
DOI：

LUO Xiao-lie, ZHANG Rui-yun, MA De-zhu. CRYSTALLIZATION KINETICS OF FIRE-RETARDANT POLYPROPYLENE SYSTEM. [J]. Acta Polymerica Sinica (1):18-23(1990) DOI：

摘要

本工作利用JJY-1型结晶速率仪对几种典型的阻燃聚丙烯共混体系的结晶行为进行了研究

发现不同的阻燃剂对PP的结晶行为有不同的影响。阻燃剂APP对PP的结晶具有较强的成核作用。但过量的APP对PP结晶生长有明显的阻碍作用。阻燃剂TBE对PP结晶也体现异相成核作用。阻燃剂PER由于增加PP结晶过程的分子链段折叠能而对PP结晶起阻碍作用。阻燃剂TPP对PP的结晶行为影响较弱。

Abstract

Melt crystallization kinetics of polypropylene (PP) in the blends of fire-retardant PP (FRPP) has been studied by JJY-1 Crystallization Rate Equipment. Conclusions about effect of fire-retardant additives on the crystallization behavior of PP in FRPP system have been drawn

fire-retardant additive APP and TBE can act as nucleating agents for PP crystallization

but when APP contents exceed 20%

it acts as a barrier to the PP crystallization growth.In the presence of fire-retardant additive PER

the PP chain-folded surface free en-ergy is increased

resulting in a decrease of PP crystallization nucleating and growth rete.However

fire-retardant additive TPP has no efficient effect onPP crystallization be-havior.

关键词

阻燃剂聚丙烯结晶动力学

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Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology

1,2),GAO Xueqin~2,YUAN Yi~2,SHEN Kaizhi~2

四川大学高分子科学与工程学院高分子材料工程国家重点实验室

四川大学高分子科学与工程学院高分子材料工程国家重点实验室成都

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