UFPCSBR/n-SiO_2纳米粉末材料改性NR/SBR复合材料性能的研究  

Study on Properties of NR/SBR Composites modified with UFPCSBR/nano-SiO_2 nano-powder

作　　者：杜颖双 郭良博 王庆国[1] 张晓红[2] 

机构地区：[1]青岛科技大学 橡塑材料与工程教育部重点实验室,青岛266042 [2]中国石油化工股份有限公司北京化工研究院,北京100013

出　　处：《特种橡胶制品》2012年第4期1-3,12,共4页Special Purpose Rubber Products

基　　金：国家自然基金项目(50873049);山东省中青年科学家科研奖励基金(2007BS04038);山东省教育厅科技计划项目

摘　　要：研究了超细全硫化羧基丁苯橡胶/纳米二氧化硅(UFPCSBR/n-SiO2)纳米复合粉末材料的表面形貌及其对NR/SBR复合材料硫化特性和力学性能的影响。结果表明,UFPCSBR颗粒和n-SiO2颗粒在纳米复合粉末材料中分散良好;加入14份纳米复合粉末材料(UFPCSBR/n-SiO2质量比为3/4)赋予了NR/SBR复合材料较好焦烧安全性,可显著改善100%定伸应力和300%定伸应力,并且拉伸强度、撕裂强度和拉断伸长率均稍有提高。Surface morphology of ultrafine full-vulcanized carboxyl styrene butadiene rubber/nano-silica(UFPCSBR/n-SiO2)(wt/wt=3/4) nano-powder composite,and its effect on vulcanization characteristic and physical properties of NR/SBR composites were investigated.The results showed that UFPCSBR particles and n-SiO2 particles had good dispersibility in UFPCSBR/n-SiO2 nano-powder;The scorch time of NR/SBR composites was increased by adding 14 phr UFPCSBR/n-SiO2 nano-powder,and the modulus at 100% and the modulus at 300% was obviously increased,meanwhile the tensile strength,the tear strength and the elongation at break were also slightly increased.

关 键 词：NR/SBR纳米复合材料 UFPCSBR/n-SiO2纳米复合粉末材料 硫化特性 力学性能 

分 类 号：TB383.1[一般工业技术—材料科学与工程] TQ330.1[化学工程—橡胶工业]