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    • 3. 发明专利
    • AT289333T
    • 2005-03-15
    • AT00940458
    • 2000-06-08
    • RHODIA CHIMIE SA
    • FRANCES JEAN-MARCLOUBET OLIVIER
    • F02F11/00B05D7/00B05D7/24C08K5/00C08K5/55C09D183/04C09K3/10F16J15/08
    • The invention relates to a method for producing a sealed impregnation and/or release coating of flat joints, in particular of cylinder-head gaskets such as composite seals, metallic joints and multi-layered steel joints. The invention uses a silicone composition including at least a polyorganosiloxane A crosslinkable by a cationic and/or radical process by appropriate crosslinking functional groups, for example, of the alkenyl ether, acrylic, acrylate, epoxide and/or oxethane type; at least an initiator salt B selected among onium borates or an organometallic complex; and at least a reactive diluent C including a nonorganosilicon or organosilicon compound comprising in its structure at least a crosslinking functional group and optionally a secondary functional group different from the crosslinking functional group but capable of chemically reacting with a crosslinking functional group, for example of the hydroxyl, alkoxy and/or carboxyl type. In the method, the silicone composition can further include different additives such as a pigment D and/or a mineral filler E and/or a photosensitizer F and/or a stabilizing amino compound G and/or an adherence promoter H.