EPDM

EPDM/PP TPV阻燃性能的研究

赵杏梅，伍社毛，田洪池，何培庆，田明，张立群*
（北京化工大学北京市新型高分子材料制备与加工重点实验室，北京100029）

摘要：采用氢氧化镁为主阻燃剂，配合使用十溴二苯乙烷(DBDPE)、三氧化二锑和配合剂A（一种有机硅高分子材料），研究四者对EPDM/PP热塑性硫化胶（EPDM/PP TPV）性能的影响。结果表明，加入氢氧化镁会降低EPDM/PP TPV的物理性能，配合使用DBDPE和三氧化二锑时，EPDM/PP TPV的阻燃性能增幅较大、物理性能变化不大，对EPDM/PP TPV的流变性能影响较小；加入配合剂A，EPDM/PP TPV的氧指数大幅提高，物理性能降低，流变性能得到改善。EPDM/PP TPV的最佳阻燃配方为：EPDM/PP TPV100，氢氧化镁50，DBDPE20，三氧化二锑7，配合剂A5。
关键词：EPDM；PP；热塑性硫化胶；氢氧化镁；十溴二苯乙烷；三氧化二锑；阻燃性能

中图分类号：TQ325.1+4；TQ333.4；TQ334.9；文献标识码：A文章编号：1000-890X(2006)10-0581-05
基金项目：北京市教委重点学科建设基金资助项目(SYS100100420)
作者简介：赵杏梅（1979-），女，山西运城人，北京化工大学在读硕士研究生，从事热塑性硫化胶阻燃性能的研究。
*通讯联系人。

Study on flame retardance of EPDM/PP TPV

ZHAO Xingmei,WU Shemao,TIAN Hongchi,HE Peiqing,TIAN Ming,ZHANG Liqun1
(Beijing University of Chemical Technology,Beijing100029,China)

Abstract:The effect of the primary flame retardant magnesium hydroxide ［Mg(OH)2］ combined with decabromo diphenylethane(DBDPE)/antimonous oxide(Sb2O3)/ingredient A——a polymerized organosilicone on the properties of EPDM/PP TPV was investigated.The results showed that the physical properties of EPDM/PP TPV would decrease by adding Mg(OH)2;the flame retardance of EPDM/PP TPV improved significantly by using Mg(OH)2 combined with DBDPE and Sb2O3,and the physical properties and rheological properties changed little;and the oxidative index of EPDM/PP TPV increased remarkably and the rheological properties improved by adding ingredient A,but the physical properties decreased.The optimized flameretardant formula of EPDM/PP TPV was as follows:EPDM/PP TPV100,Mg(OH)250,DBDPE20,Sb2O37,ingredient A5.
Keywords:EPDM;PP;TPV;magnesium hydroxide;decabromo diphenylethane;antimonous oxide;flame retardant

白炭黑补强ESBR混炼胶中网络结构的研究

杨军，吴友平*，徐春燕，张立群
（北京化工大学北京市新型高分子材料制备与加工重点实验室，北京100029）

摘要：试验研究白炭黑补强乳聚丁苯橡胶（ESBR）混炼胶中的网络结构及网络结构对胶料门尼粘度和动态粘弹性的影响。结果表明，在白炭黑补强ESBR胶料中加入偶联剂Si69并进行热处理可显著提高胶料中的结合胶含量及网络结构的稳定性，网络结构受停放时间和温度的影响较小。与未加偶联剂Si69或加入偶联剂Si69但未进行热处理的胶料相比，加入偶联剂Si69并进行热处理的胶料中网络结点主要由柔性的橡胶组成，网络承受变形能力较强；胶料的门尼粘度和动态模量较小，且动态模量对应变（ε）变化不敏感；ε较小时动态损耗较大，ε较大时动态损耗较小。
关键词：ESBR；白炭黑；硅烷偶联剂；网络结构

中图分类号：TQ333.1；TQ330.38文献标识码：A文章编号：1000-890X(2006)10-0586-05
基金项目：国家自然科学基金资助项目（50303002）；“十五”国家科技攻关计划重点项目（2004BA310A41）；北京市科技新星计划资助项目（2004A14）
作者简介：杨军 (1979-)，男，湖北广水人，北京化工大学在读硕士研究生，从事橡胶补强方面的研究。
*通讯联系人

Study on network structure in silicafilled ESBR compound

YANG Jun,WU Youping,XU Chunyan,ZHANG Liqun
(Beijing University of Chemical Technology,Beijing100029,China)

Abstract:The network structure of silicafilled ESBR compound and its effect on Mooney viscosity and dynamic viscoelasticity were experimentally investigated.The results showed that the content of bound rubber and the stability of network structure in silicafilled ESBR compound increased significantly by adding coupling agent Si69 and heat treating,and the condition time and temperature had little effect on the network structure.In contrast to the rubber compound without coupling agent Si69 or that with coupling agent Si69 but without heat treating,the rubber compound with both coupling agent Si69 and heat treating gave the joint points of network mainly composed of flexible rubber matrix leading to a deformation resistant network;the Mooney viscosity and dynamic modulus were lower,and the dynamic modulus had lower strain（ε） dependency;and the lower strain ε,the higher tanδ,and the higher strain ε,the lower tanδ.
Keywords:ESBR;silica;silane coupling agent;network structure

FKM/TPU共混物的性能研究

杨剑,熊传溪,谢敏丽，张威
（武汉理工大学材料科学与工程学院，湖北武汉430070）

摘要：试验研究氟橡胶（FKM）/热塑性聚氨酯（TPU）共混物的耐低温性能和物理性能。结果表明，FKM/TPU共混比为70/30，共混物中FKM和TPU两相的相容性较好，共混物的玻璃化温度比FKM约降低了12 ℃，耐低温性能较好，综合物理性能也较优。
关键词：氟橡胶；热塑性聚氨酯；共混物；耐低温性能

中图分类号：TQ333.93；TQ334.1文献标识码：A文章编号：1000-890X(2006)10-0591-03
作者简介：杨剑（1981-），男，江西金溪人，武汉理工大学在读硕士研究生，主要从事橡胶共混物性能的研究。

Properties of FKM/TPU blend

YANG Jian,XIONG Chuanxi,XIE Minli,ZHANG Wei
(Wuhan University of Technology,Wuhan430070,China)

Abstract:The low temperature resistance and physical properties of FKM/TPU blend were experimentally investigated.The results showed that when the blending ratio of FKM/TPU was 70/30,the better compatibility between two polymers was obtained,the comprehensive physical properties,especially the low temperature resistance of the blend improved,and the Tg of the blend was 12 ℃ lower than that of FKM.
Keywords:FKM;TPU;blend;low temperature resistance