Dynamic Mechanical Properties and Rheological Behavior of PVC Modified by ASA Co-polymer Based on MAP-POSS

Chao-jie JIANG; Yong-gang DU; Chen-guang YAO; Ji-xian FAN; Bin FEI; An-qi WU; Xiao LI

doi:10.14028/j.cnki.1003-3726.2021.09.007

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Dynamic Mechanical Properties and Rheological Behavior of PVC Modified by ASA Co-polymer Based on MAP-POSS

更新时间：2022-08-30

- Dynamic Mechanical Properties and Rheological Behavior of PVC Modified by ASA Co-polymer Based on MAP-POSS
- Polymer Bulletin Vol. 34, Issue 9, Pages: 60-66(2021)
- 作者机构：
  
  1.合肥杰事杰新材料股份有限公司,合肥 230601
  2.石家庄铁道大学材料科学与工程学院,石家庄 050043
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2021.09.007
  CLC：
- Published：20 September 2021，
  
  Received：23 June 2020，
  
  Revised：21 June 2021，
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Chao-jie JIANG, Yong-gang DU, Chen-guang YAO, Ji-xian FAN, Bin FEI, An-qi WU, Xiao LI. Dynamic Mechanical Properties and Rheological Behavior of PVC Modified by ASA Co-polymer Based on MAP-POSS. [J]. Polymer Bulletin 34(9):60-66(2021)
DOI：

Chao-jie JIANG, Yong-gang DU, Chen-guang YAO, Ji-xian FAN, Bin FEI, An-qi WU, Xiao LI. Dynamic Mechanical Properties and Rheological Behavior of PVC Modified by ASA Co-polymer Based on MAP-POSS. [J]. Polymer Bulletin 34(9):60-66(2021) DOI： 10.14028/j.cnki.1003-3726.2021.09.007.

摘要

本文通过种子乳液聚合合成了一种新型的基于MAP-POSS的纳米丙烯腈-苯乙烯-丙烯酸酯共聚物#(POSS-ASA)

然后制备PVC/POSS-ASA纳米复合材料。研究了PVC/POSS-ASA 的塑性行为和流变行为

讨论了组成对PVC/POSS-ASA熔体的平衡扭矩、塑化时间和非牛顿指数(n)的影响

确定了动态力学性能、机械性能和形态。结果表明

随着POSS-ASA 含量的增加

塑化时间缩短

熔体粘度增加。共混物的储能模量也随着POSS-ASA含量的增加而降低。当POSS-ASA 含量仅为1%(wt)时

抗冲击强度和拉伸强度分别比纯PVC高3.3kJ/m

和12.2MPa。POSS-ASA可用作PVC的有效抗冲助剂和加工助剂。

Abstract

In this work

a novel nanometer acrylonitrile-styrene-acrylate co-polymer based on MAP-POSS (POSS-ASA) was synthesized via seed emulsion polymerization

then the PVC/POSS-ASA nanocomposite were prepared. The plastic behavior and rheological behavior of PVC-POSS-ASA were investigated. The influences of composition on balance torque

plastic time

and non-Newtonian index (n) of PVC-POSS-ASA melts were discussed. The dynamic mechanical properties

mechanical properties

and morphology were determined. The results showed that the plastic time decreased but melt viscosity increased with increasing POSS-ASA content. The storage modulus of blend also decreased with increasing POSSASA content. When POSS-ASA content was only 1%(wt)

the impact strength and tensile strength was 3.3kJ/m

and 12.2MPa higher than that of pure PVC

respectively. POSS-ASA can be used as an efficient impact aid and process aid for PVC.

关键词

聚氯乙烯丙烯腈-苯乙烯-丙烯酸酯POSS动态力学性能流变行为

Keywords

Poly(vinyl chloride)Acrylonitrile-styrene-acrylatePOSSDynamicMechanical propertiesRheological behavior

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