US2011098403A1PendingUtilityA1

Acrylic Rubber Composition

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Assignee: SATO TAKESHIPriority: Jul 2, 2008Filed: Jul 2, 2009Published: Apr 28, 2011
Est. expiryJul 2, 2028(~2 yrs left)· nominal 20-yr term from priority
Inventors:Takeshi SatoAyako Niikura
F16J 15/102C09K 3/1006C08K 3/04C08L 33/08C08K 7/00C09K 2200/0625C08L 91/00C08K 5/01C09K 2200/0208
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Claims

Abstract

[Object] To provide: an acrylic rubber composition, which is improved in roll tackiness upon processing and in dough-like-material tackiness between dough-like materials themselves, and which is remarkably improved in processing characteristic, without deteriorating resultant normal physical properties; and an acrylic rubber composition molded and used for a sealing part such as an O-ring, gasket, and packing. [Solving Means] An acrylic rubber composition comprising 100 parts by weight of an ACM polymer, which contains monomers each having a carboxyl group(s) as crosslinking-site monomers, respectively, and 5 to 30 parts by weight of vein graphite or flake graphite; and an acrylic rubber composition comprising 100 parts by weight of an ACM polymer, which contains monomers each having a carboxyl group(s) as crosslinking-site monomers, respectively, 5 to 30 parts by weight of vein graphite or flake graphite, and 0.5 to 1.5 parts by weight of a liquid paraffin.

Claims

exact text as granted — not AI-modified
1 . An acrylic rubber composition comprising:
 100 parts by weight of an ACM polymer, which contains monomers each having a carboxyl group(s) as crosslinking-site monomers, respectively; and   5 to 30 parts by weight of vein graphite or flake graphite.   
     
     
         2 . An acrylic rubber composition comprising:
 100 parts by weight of an ACM polymer, which contains monomers each having a carboxyl group(s) as crosslinking-site monomers, respectively;   5 to 30 parts by weight of vein graphite or flake graphite; and   0.5 to 1.5 parts by weight of a liquid paraffin.   
     
     
         3 . The acrylic rubber composition according to  claim 1 , wherein the acrylic rubber composition is molded and used for a sealing part selected from a group consisting of an O-ring, gasket, and packing. 
     
     
         4 . The acrylic rubber composition according to  claim 2 , wherein the acrylic rubber composition is molded and used for a sealing part selected from a group consisting of an O-ring, gasket, and packing.

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