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SURFACE MODIFICATION METHOD, SURFACE-MODIFIED ELASTIC BODY, SYRINGE GASKET, SYRINGE, AND TIRE
专利权人:
SUMITOMO RUBBER INDUSTRIES; LTD.
发明人:
MINAGAWA YASUHISA,KONDO YASUHIKO,MIZOGUCHI TETSUO,TAKAHARA ATSUSHI,KOBAYASHI MOTOYASU
申请号:
EP11852573
公开号:
EP2653484A4
申请日:
2011.12.26
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
Provided are: surface modification method for imparting slidability to surface of elastic body such as vulcanized rubber or thermoplastic elastomer without using expensive self-lubricating resin surface-modified elastic body with polymer brush formed on its surface and gasket for injector and injector formed of surface-modified elastic body. The surface modification method applies to surface of thermoplastic elastomer or vulcanized rubber. The surface modification method comprises the step of forming hydroxyl group on surface of to-be-modified object such as rubber so that water contact angle of the surface becomes 8 to 50 degrees smaller than original water contact angle in unmodified condition, the step of forming polymerization initiation site by subjecting the hydroxyl group to action of secondary or tertiary organic halide, and the step of growing polymer brush on the surface of to-be-modified object by subjecting monomer to radical polymerization at the polymerization initiation site acting as a point of initiation.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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