C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 179/08 (2006.01) C08G 18/70 (2006.01) C08J 5/12 (2006.01) C09J 183/04 (2006.01)
Patent
CA 2466447
What is disclosed in an adhesive composition that exhibits substantial durability in bonding peroxide cured elastomers to many substrates. The invention is directed to adhesives consisting essentially of a diluent, a maleimide compound, acid scavenger, a polymeric film former and precipitated silica, optionally a phenolic resole, polyyisocyanate, or isocyanatosilane. The present invention is further directed to a method of bonding peroxide- curable elastomers to metallic surfaces whereby the substrate is coated with the adhesive composition, drying the adhesive composition coating, applying a peroxide-cured elastomer to the adhesive composition coating, and curing the assembly with heat and/or pressure.
L'invention concerne une composition adhésive possédant une durabilité substantielle qui permet de lier des élastomères durcis de peroxyde avec plusieurs substrats. L'invention concerne des adhésifs comprenant essentiellement un diluant, un composé de maléimide, un capteur d'acide, un filmogène polymère et de la silice précipitée, et éventuellement une résine phénolique, un polyisocyanate, ou un isocyanatosilane. L'invention concerne également un procédé permettant de lier des élastomères durcis de peroxyde avec des surfaces métalliques, le substrat étant revêtu de la composition adhésive; de sécher le revêtement de composition adhésive; d'appliquer un élastomère durci de peroxyde sur le revêtement de composition adhésive; et de durcir l'ensemble à l'aide de chaleur ou de pression.
Lord Corporation
Perley-Robertson Hill & Mcdougall Llp
LandOfFree
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