再生橡胶高性能化策略及其结构与性能研究  

The Structures and Properties of Reclaimed Rubber Modified with High Performance Strategy

作　　者：王浩[1,2,3] 王日国 栾波 马韵升 贺爱华 WANG Hao;WANG Ri-guo;LUAN Bo;MA Yun-sheng;HE Ai-hua(Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization,Key Laboratory of Rubber-plastics (Ministry of Education),School of Polymer Science and Engineering,Qingdao University of Science and Technology,Qingdao 266042,China;Shandong Provincial Key Laboratory of Ole fin Catalysis and Polymerization,Chambroad Chemical Industry Institute Co.,Ltd.,Binzhou 256500,China;Shandong Huaju Polymer Material Co.,Ltd.,Binzhou 256500,China)

机构地区：[1]山东省烯烃催化与聚合重点实验室橡塑材料与工程教育部重点实验室高分子科学与工程学院青岛科技大学,青岛266042 [2]山东省烯烃催化与聚合重点实验室黄河三角洲京博化工研究院有限公司,滨州256500 [3]山东华聚高分子材料有限公司,滨州256500

出　　处：《高分子通报》2019年第1期39-47,共9页Polymer Bulletin

基　　金：山东省重大基础研究项目(ZR2017ZA0304);国家"973"计划项目(2015CB654700(2015CB654706));国家自然科学基金(51473083);泰山学者工程资助

摘　　要：研究了再生橡胶(RR)的高性能化策略及反式-1, 4-丁二烯-异戊二烯共聚橡胶(TBIR)/RR并用胶的结构与性能。结果表明,实验用再生橡胶由100份橡胶和58份填料组成;采用100份TBIR与58份炭黑共混制备TBIR母炼胶,90～60份RR与10～40份TBIR母炼胶按比例共混,相比RR硫化胶,RR/TBIR并用硫化胶具有非常优异的综合性能:拉伸强度提高33%～83%,100%定伸应力提高31%～75%,撕裂强度提高39%～76%,邵A硬度提高3%～11%,弹性提高30%～65%,耐磨耗性能提高11%～25%,100%伸张疲劳寿命提高0.5～2.1倍,耐屈挠疲劳裂纹引发性能提高1.0～7.3倍,耐热空气老化性能提高11%～59%,耐臭氧老化性能提高5%～27%,滚动阻力降低20%～42%。通过RR与TBIR简单的物理共混,可实现RR更完善的橡胶网络结构及优异的物理机械性能,为廉价橡胶材料的再生利用提供高性能化方案与策略,赋予再生橡胶更广泛的用途。The structures and.properties of reclaimed rubber (RR)modified with multi-block trans-1,4-poly (butadiene-co-isoprene)copolymer rubber (TBIR)were research'ed.The results showed that,the reclaimed rubber used in this experiment was consisted of 100phr-rubber and 58 phr filler.100phr TBIR and 58phr carbon black (CB)were mixed for the TBIR master-batch preparation.90-60 phr RR and 10-40 phr TBIR master-batch were mixed to prepare the RR/ TBIR compounds.Compared with RR vulcanizates,RR/TBIR vulcanizates showed excellent performances,such as improved tensile strength (33% to 83% higher),modulus at 100%(31% to 75%higher),tear strength (39% to 76% higher),shore A hardness (3% to 11% higher,),rebound (30%to 65% higher),abrasion resistance (11% to 25% higher),tensile fatigue resistance (0.5 to 2.1 times),flex fatigue crack initiation resistance (1.0 to 7.3 times),hot-air ageing resistance (11% to 59% higher)and ozone ageing resistance (5% to 27% higher),and decreased rolling resistance (20% to 42% lower).The improved polymer networks,filler-polymer interaction and filler distribution of RR was obtained through the simple blending of RR and TBIR.A high performance modification strategy for RR with TBIR is proposed.

关 键 词：反式丁戊橡胶 再生橡胶 改性 耐疲劳性能 滚动阻力 耐磨耗性能 

分 类 号：TQ335[化学工程—橡胶工业]