Effect of Inorganic Powder on Mechanical Behavior in Microcellular Foam PP

Wei GONG; Ke-jia LIU; Chun ZHANG; Jian-hua ZHU; Li HE

doi:10.14028/j.cnki.1003-3726.2011.12.018

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Effect of Inorganic Powder on Mechanical Behavior in Microcellular Foam PP

更新时间：2022-09-18

- Effect of Inorganic Powder on Mechanical Behavior in Microcellular Foam PP
- Polymer Bulletin Vol. 24, Issue 12, Pages: 109-114(2011)
- 作者机构：
  
  1.贵州师范大学材料与建筑学院，贵阳　550014
  2.国家复合改性聚合物材料工程技术研究中心，贵阳　550014
  3.上海应用技术学院材料科学与工程学院，上海　200235
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2011.12.018
  CLC：
- Published：2011-12，
  
  Received：14 February 2011，
  
  Revised：27 May 2011，
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Wei GONG, Ke-jia LIU, Chun ZHANG, Jian-hua ZHU, Li HE. Effect of Inorganic Powder on Mechanical Behavior in Microcellular Foam PP. [J]. Polymer Bulletin 24(12):109-114(2011)
DOI：

Wei GONG, Ke-jia LIU, Chun ZHANG, Jian-hua ZHU, Li HE. Effect of Inorganic Powder on Mechanical Behavior in Microcellular Foam PP. [J]. Polymer Bulletin 24(12):109-114(2011) DOI： 10.14028/j.cnki.1003-3726.2011.12.018.

摘要

通过改性的不同形状( 针状MgSO

晶须、片状云母粉、球形状SiO

) 无机粉体材料

以5%含量加入到聚丙烯中

在二次开模条件下制备微发泡PP 复合材料;测定PP/无机粉体材料复合体系接触角

联合粘接理论计算液-固界面的黏附功;以异相成核理论和填充增强机理为基础

分析了不同形状的无机粉体材料对微发泡PP 材料力学行为的影响规律。结果表明:PP/云母粉复合体系发泡后冲击强度提高比例达到79%

弯曲强度和拉伸强度比纯PP 未发泡材料的强度还高

但比相应未发泡PP 复合体系有所降低。这充分说明了在材料成本降低基础上综合性能得到提高;片状云母粉是微发泡PP 复合材料的理想填料。

Abstract

Modified inorganic powder materials ( one-dimensional Mg SO

whisker

two-dimensional Mica and three-dimensional SiO

) was added into polypropylene with 5 % content. The microcellular foam PP composite was made under the condition of twice-open mold. According to the principle of interfacial adhesion

Liquid-solid interface PP composite system was calculated adhesion work by measurements of the contact angle. Taking heterogeneous nucleation theory and reinforcement effect

mechanical behavior of microcellular foam PP composite was analyzed by inorganic powder material

The results showed that PP/Mica composite system showed the maximum impact strength

which is improved by 79.17 %.It is not only to reduce cost and but also to effects enhance. So Micapowder is the best two dimension filler on enhancement in foamed PP composites.

关键词

聚丙烯冲击强度黏附功微发泡拉伸强度

Keywords

PPImpact strengthAdhesion workMicrocellular foamTensile strength

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