C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/06 (2006.01) C08J 5/16 (2006.01) C08J 7/04 (2006.01) C09D 7/12 (2006.01) C08G 18/80 (2006.01)
Patent
CA 2387993
Disclosed are aqueous polyurethane compositions which contain at least one aqueous polyurethane dispersion, at least one compound with blocked isocyanate groups, at least one means for improving the sliding behaviour, at least one surface--active and flow-control agent as well as optionally conventional bonding agents, dyes and/or pigments. Said aqueous polyurethane dispersions are useful for coating elastomers for obtaining a surface that has a very low coefficient of friction. Elastomer components that are coated according to the invention are useful for sealing window channels, for moveable glass components and/or as profiled joints in vehicle manufacturing, preferably in automobile manufacturing.
Compositions aqueuses de laque de polyuréthanne qui contiennent au moins une dispersion aqueuse de polyuréthanne, au moins un composé à groupes isocyanate bloqués, au moins une substance destinée à améliorer le comportement au glissement, au moins un agent mouillant et d'écoulement, ainsi que, le cas échéant, des agents adhésifs, colorants et/ou pigments courants. Ces compositions aqueuses de laque de polyuréthanne sont appropriées à l'application de revêtements sur des élastomères pour obtenir une surface possédant un coefficient de frottement très faible. Les pièces élastomères dotées dudit revêtement conviennent pour l'étanchéification de rainures de guidage de vitres, pour des parties mobiles en verre et/ou en tant que profilés d'étanchéité dans la construction de véhicules, de préférence dans l'industrie automobile.
Hemel Richard
Wefringhaus Rainer
Henkel Kommanditgesellschaft Auf Aktien
Lord Germany Gmbh
Perley-Robertson Hill & Mcdougall Llp
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