β-Nucleating effect of calcium pimelate-supported wollastonite filled polypropylene

DING Qian; ZHANG Zishou; LUO Jianxin; MAI Kancheng

doi:10.13471/j.cnki.acta.snus.2016.02.012

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β-Nucleating effect of calcium pimelate-supported wollastonite filled polypropylene

更新时间：2023-12-11

- β-Nucleating effect of calcium pimelate-supported wollastonite filled polypropylene
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 55, Issue 2, Pages: 64-67(2016)
- 作者机构：
  
  1. ．湖南工学院材料与化学工程学院,湖南,衡阳,421002
  2.  2．中山大学化学与化学工程学院材料科学研究所∥聚合物基复合材料及功能材料教育部重点实验室∥广东省高性能树脂基复合材料重点实验室,广东,广州,510275
- 作者简介：
- 基金信息：
- DOI：10.13471/j.cnki.acta.snus.2016.02.012
  CLC：
- Published：2016，
  
  Published Online：25 March 2016，
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DING Qian, ZHANG Zishou, LUO Jianxin, et al. β-Nucleating effect of calcium pimelate-supported wollastonite filled polypropylene. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 55(2):64-67(2016)
DOI：

DING Qian, ZHANG Zishou, LUO Jianxin, et al. β-Nucleating effect of calcium pimelate-supported wollastonite filled polypropylene. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 55(2):64-67(2016) DOI： 10.13471/j.cnki.acta.snus.2016.02.012.

摘要

为获得硅灰石填充β-聚丙烯（β-PP）复合材料，该文采用硅灰石与庚二酸反应制备负载庚二酸钙的硅灰石（β-W），并对比研究硅灰石和β-W对聚丙烯（PP）结晶具有的异相成核作用。FTIR和TGA结果证实β-W表面庚二酸钙的形成。DSC、XRD和POM结果表明硅灰石表面形成的庚二酸钙导致硅灰石表面成核机理的α→β转变。β-W填充PP复合材料主要形成β-晶，β-W具有的β-成核作用与硅灰石/庚二酸质量比有关。

Abstract

In order to obtain wollastonite filled β-polypropylene composites

calcium pimelate-supported wollastonite (β-W) was prepared through the chemical reaction between wollastonite and pimelic acid

and the heterogeneous nucleating effect of wollastonite and β-W on PP crystallization was investigated. FTIR and TGA analyses confirmed the formation of calcium pimelate on the surface of wollastonite. The results of DSC

XRD and POM indicated that calcium pimelate formed on the surface of wollastonite

resulting in α→β transition of nucleation mechanism of wollastonite surface. The β-W filled PP composites mainly formed β-phase

and the β-nucleating ability of β-W was dependent of the mass ratio of wollastonite/pimelic acid.

关键词

聚丙烯硅灰石β-成核作用

Keywords

polypropylene (PP)wollastoniteβ-nucleating effect

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