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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||252/122 ; 252/496 ; 252/565 ; 102/431|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 6|
The invention relates to a composite material with lubricating properties consisting of a solid polymeric matrix such as polystyrene or polymethyl methacrylate containing between 20 and 85% by weight of a liquid oil with lubricating properties, such as a silicone oil. The material according to the invention is obtained by polymerization of an emulsion of the said oil in a monomer such as styrene or methyl methacrylate monomer in the presence of a surface-active agent which is a two- or three-block block copolymer in which one repeat unit is compatible wi...
A process for the manufacture of a composite material with lubricating properties consisting of a solid polymeric matrix containing throughout its mass, a uniform dispersion of liquid silicone oil droplets with lubricating properties, which consists essentially of preparing, in a first step, an emulsion of said liquid silicone oil with lubricating properties in a liquid phase of a monomer wherein said monomer is styrene or methylmethacrylate and said matrix contains polystyrene or polymethyl methacrylate, said liquid silicone oil being insoluble in said ...