摘要:
Functionalization of matrix polymer is an attractive approach for improving the dispersity of carbon black (CB) especially in rubber-based composites, i.e., to introduce functional groups such as epoxy and carboxyl groups directly into rubber backbone to interact with the functional groups present on the CB surface. Better compatibil-ity between CB and rubber matrix could be achieved only upon application of high temperature molding or high temperature extrusion in the presence of silane coupling agent. However, few studies have been focused on the functionalization of matrix rubber by introducing multiple dimethylamino groups along the rubber backbone. These rubber-based composites containing finely dispersed CB could be applied particularly to tire tread rubber of green tire from the standpoint of running safety and fuel consumption. The number of dimethylamino groups along the random butadiene-styrene copolymer backbone is definitely controlled by the monomer feed ratio and polymer molecular weight. SEM observations revealed great improvement in terms of CB dispersion in such dimethylamino in-chain multi-functionalized rubber matrix. This provides an effective route to prepare rub-ber-based composites with good CB dispersion, which have potential applications in rubber reinforcement, bi-tumen binders, CB-filled elastomers and high-performance automotive tires and other advanced materials.
Acknowledgements
National Natural Science Foundation of China (21034001) and National Key Technologies R&D Program of China (2013BAH03B01).
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个人简介:
大连理工大学,化工与环境生命学部化工学院高分子材料系,教授。
现任:大连理工大学化工与环境生命学部部长、高分子材料系主任、高分子科学与工程辽宁省重点实验室主任、先进高分子材料辽宁省工程实验室主任。
兼任:教育部高分子材料科学与工程教指委秘书长,中国化学会高分子学科委员会委员、应用化学学科委员会委员、产学研合作与促进工作委员会委员,中国合成橡胶工业协会常务理事,中国化工学会理事,辽宁省化工学会副理事长。《高分子通报》、《合成橡胶工业》、《弹性体》、《合成树脂及塑料》、《石化技术》、《石化技术与应用》杂志编委。
曾任:中国石化北京燕山石化公司研究院院长、橡塑新型材料合成国家工程研究中心主任、中国合成橡胶工业协会副理事长。
受教育经历
1995/09-2000/04,大连理工大学,化工学院高分子材料系,博士
1985/09-1988/06,大连理工大学,化工学院高分子材料系,硕士
1981/09-1985/06,大连工学院,化学工程系高分子专业,本科
研究工作经历
2005/12-现在,大连理工大学,化工与环境生命学部化工学院高分子材料系,教授
1988/07-2005/12,中国石化北京燕山石化公司研究院,教授级高工
2005/07-2005/12,美国麻州大学(UMass Amherst),聚合物科学与工程系(PSE),访问教授