OMMT/IIR纳米复合材料结构与性能的研究

梁玉蓉1,2,姜海鹏1,王益庆1,李昭1,张立群1
(1.北京化工大学 教育部纳米材料重点实验室,北京100029;2.华北工学院分校 材料科学系,山西 太原030008)

摘要:采用熔体插层法制备有机蒙脱土(OMMT)/IIR纳米复合材料。试验结果表明,OMMT/IIR纳米复合材料是插层型纳米复合材料;与无机粘土/IIR微米复合材料及IIR相比,OMMT/IIR纳米复合材料具有良好的物理性能,且其物理性能均随OMMT用量的增大而明显提高;与IIR相比,OMMT/IIR纳米复合材料具有优异的气密性。
关键词:熔体插层法;OMMT;IIR;纳米复合材料;气密性

中图分类号:TQ330.38+3;TQ333.6文献标识码:A文章编号:1000890X(2005)05026105

基金项目:国家自然科学基金资助项目(05173003);北京市科技新星计划资助项目(H010410010112);“十五”国家科技攻关计划项目(2001BA310A12)
作者简介:梁玉蓉(1971),女,山西太原人,华北工学院分校讲师,北京化工大学在读博士研究生,主要从事高气体阻隔性的层状硅酸盐/(卤化)IIR纳米复合材料的制备、结构和性能研究。





Structure and properties of OMMT/IIR nanocomposites

LIANG Yurong1,2,JIANG Haipeng1,WANG Yiqing1,LI Zhao1,ZHANG Liqun1
(1.Beijing University of Chemical Technology,Beijing100029,China;2.North China University of Science and Technology,Taiyuan030008,China)

Abstract:The organomontmorillonite(OMMT)/IIR nanocomposites were prepared by melt intercalation and their properties were investigated.The results showed that the molecular chains of IIR were intercalated into the nanoOMMT layers in the composites;compared with the pure IIR vulcanizate or inorganic clay/IIR microcomposite,the prepared OMMT/IIR nanocomposites possessed better physical properties,which improved with the increase of OMMT content;and compared with the pure IIR vulcanizate,the prepared OMMT/IIR nanocomposites had more excellent airtightness. 
Keywords:melt intercalation;OMMT;IIR;nanocomposite;airtightness

 

 

 

炭黑N330在非硫黄调节型粉末CR中的分散性研究

林雅铃,张安强,王炼石,周奕雨
(华南理工大学 材料科学与工程学院,广东 广州510640)

摘要:研究炭黑填充型非硫黄调节型粉末CR[简称P(CR/N330)]中炭黑N330的分散性。结果表明,使用包覆剂和增大分散剂的用量可有效提高炭黑N330在P(CR/N330)中的分散性,减轻或消除P(CR/N330)的接触污染性;有接触污染性的P(CR/N330)粒子表面和内部存在游离的炭黑团粒,无接触污染性的P(CR/N330)粒子表面和内部均较为光滑,无游离的炭黑团粒存在。
关键词:粉末CR;包覆剂;高耐磨炭黑;分散剂;分散性


中图分类号:TQ330.38+1;TQ333.5文献标识码:A文章编号:1000890X(2005)05026604
基金项目:广东省自然科学基金资助项目(031366,04300069);华南理工大学自然科学基金资助项目(324E5040160)
作者简介:林雅铃(1978),女,福建罗源人,华南理工大学在读博士研究生,主要从事高分子复合材料的研究工作。




Dispersity of black N330 in nonsulfur modified powdered CR

LIN Yaling,ZHANG Anqiang,WANG Lianshi,ZHOU Yiyu
(South China University of Technology,Guangzhou510640,China)

Abstract:The dispersity of black N330 in nonsulfur modified powdered CR/N330[P(CR/N330)] was investigated.The results showed that the dispersity of black N330 in P(CR/N330) improved significantly by using the encapsulant and increasing the addition level of dispersing agent,thus the contact staining of P(CR/N330) was reduced or eliminated;and the contact staining of P(CR/N330) resulted from the free carbon black crumbs in the P(CR/N330) granules,especially on the surfaces of granules.
Keywords:powdered CR;encapsulant;HAF;dispersing agent;dispersity

 

 

 

 

SIS-g-AN热降解性能的研究

胡付欣,杨性坤
(信阳师范学院 化学化工学院,河南 信阳 464000)

摘要:采用热重分析法和差示热重分析法研究丙烯腈(AN)接枝热塑性弹性体SIS(SISgAN)的热降解性能。结果得出,SISgAN的平衡起始降解温度、平衡最大降解速率温度和平衡终止降解温度分别为659.17,713.94和740.05 K;热降解反应活化能为195.2 kJ·mol-1;热降解机理是Deceleration中的D3降解机理;不同质量损失率下的热寿命与温度呈线性关系。
关键词:热塑性弹性体SIS;丙烯腈;接枝共聚物;热降解性能;热重分析;差示热重分析

中图分类号:TQ3343;O6313+1文献标识码:A文章编号:1000890X(2005)05027004

作者简介:胡付欣(1958),男,河南长葛人,信阳师范学院副教授,学士,主要从事物理化学和材料热性能研究。


Study on thermal degradation of SISgAN

HU Fuxin,YANG Xingkun
(Xinyang Normal College,Xinyang464000,China)

Abstract:The thermal degradation of SISgAN was investigated by thermogravimetry and differential thermogravimetry.The results showed that the equilibrium temperatures of SISgAN at degradation starting,maximum degradation rate and degradation end were 659.17,713.94 and 740.05 K respectively;the activation energy in thermal degradation process was 195.5 kJ·mol-1;the thermal degradation mechanism obeyed D3 in Deceleration;and the thermal lifetimes at various weightloss rates were linear with temperatures.
Keywords:SIS;acrylnitrile;graft copolymer;thermal degradation;thermalgravimetry;differential thermogravimetry