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SURFACE MODIFICATION METHOD AND SURFACE-MODIFIED ELASTIC BODY
专利权人:
SUMITOMO RUBBER INDUSTRIES; LTD.
发明人:
Shunsuke KOSAKA,Yasuhisa MINAGAWA
申请号:
US15201830
公开号:
US20170037211A1
申请日:
2016.07.05
申请国别(地区):
US
年份:
2017
代理人:
摘要:
Methods are provided for surface-modifying a rubber vulcanizate or a thermoplastic elastomer. The methods allow these rubber vulcanizate or thermoplastic elastomer objects to have a lubricating surface layer chemically fixed thereon, instead of having a resin coating which has drawbacks such as a reduction in lubricity due to e.g. separation or peeling of the coating during movement within a vessel or tract. The present invention relates to a method for surface-modifying an object made of a rubber vulcanizate or a thermoplastic elastomer, the method including: step 1 of forming polymerization initiation points on a surface of the object; and step 2 of radically polymerizing a monomer starting from the polymerization initiation points by irradiation with ultraviolet light having a wavelength of 300 to 400 nm in the presence of an alkali metal salt to grow polymer chains on the surface of the object.
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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