Preparation of EPDM-g-MAZn ionomer by precipitation process and its influence on performance of PP/APP/PER IFR system

WU Wei; HUI Linlin; WANG Zheng

doi:10.3969/j.issn.0438-1157.2014.12.050

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Preparation of EPDM-g-MAZn ionomer by precipitation process and its influence on performance of PP/APP/PER IFR system

更新时间：2025-12-10

- Preparation of EPDM-g-MAZn ionomer by precipitation process and its influence on performance of PP/APP/PER IFR system
- CIESC Journal Issue 12, Pages: 5017-5022(2014)
- 作者机构：
  
  华东理工大学材料科学与工程学院, 中德先进材料联合研究中心,上海,200237
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.12.050
  CLC： 632.12
- Online First：05 December 2014，
  
  Published：05 December 2014
- 稿件说明：
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WU Wei, HUI Linlin, WANG Zheng. Preparation of EPDM-g-MAZn ionomer by precipitation process and its influence on performance of PP/APP/PER IFR system[J]. CIESC Journal, 2014, (12): 5017-5022.
DOI：

WU Wei, HUI Linlin, WANG Zheng. Preparation of EPDM-g-MAZn ionomer by precipitation process and its influence on performance of PP/APP/PER IFR system[J]. CIESC Journal, 2014, (12): 5017-5022. DOI： 10.3969/j.issn.0438-1157.2014.12.050.

摘要

针对膨胀阻燃剂在有效提高聚丙烯(PP)阻燃性能的同时会大大降低PP力学性能的问题

以自制的马来酸酐(MAH)接枝三元乙丙橡胶锌离聚物(EPDM-g-MAZn)作为PP/IFR阻燃材料的改性剂

研究其对PP/IFR阻燃性能以及力学性能的影响及其机理.结果表明

EPDM-g-MAZn离聚物能在保持PP/IFR材料良好阻燃性能并在基本不损失拉伸强度的同时使PP/IFR材料的冲击强度提高4.46倍

拉伸强度的保留率明显高于PP/EPDM-g- MAH/IFR.ZnO与EPDM-g-MAH上的MAH形成的离子键作用可以形成以ZnO连接很多EPDM的交联结构

在PP与IFR之间起交联剂和补强剂的作用

提高界面结合强度

从而有效提高PP/IFR材料的力学性能.

Abstract

The EPDM (EPDM) zinc ionomer (EPDM-g-MAZn) grafted with maleic anhydride (MAH) was used as modifying agent in the PP/IFR system. The flame retardant mechanism of the EPDM-g-MAZn and its effects on the mechanical properties of PP/IFR were studied. Flame retardancy was good and tensile strength remained the same with the addition of EPDM-g-MAZn in PP/IFR. The impact strength of PP/EPDM-g-MAZn/IFR was 4.46 times higher than that of PP/IFR

but the tensile strength retention rate of PP/IFR was significantly higher than that of PP/EPDM-g-MAH/IFR. A crosslinked structure containing ZnO and EPDM segments was formed via the ionic bond of MAH. The interface bonding strength between PP and IFR was improved by the effects of the crosslinking agent as well as reinforcing agent. As a result

the mechanical properties of PP/IFR were effectively promoted.

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