C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 171/02 (2006.01) C08G 65/333 (2006.01) C08K 5/435 (2006.01) C09D 7/12 (2006.01) C09D 183/12 (2006.01) C09J 11/06 (2006.01) C09J 171/02 (2006.01)
Patent
CA 2206700
A sealer or adhesive composition based on a polyoxyalkylene polymer having a silicon-containing hydrolyzable group, which has improved adhesion in a dried, cured state with a paint coating containing acrylic resins, acrylic-urethane resins, or urethane resins. The improvement involves the addition to such a sealer/adhesive composition of an alkylarylsulfonamide contained therein in an amount of least about 50 phr or more, by weight. The invention also pertains to a method applying and adhering a paint coating to such a sealer composition after it is dried.
Composition servant de bouche-pores et de couche d'accrochage à base de polyoxyalkylène comportant un groupe hydrolysable contenant du silicium et présentant une adhérence accrue à l'état sec et durci avec une couche de peinture contenant des résines acryliques, acryluréthane, ou uréthane. L'amélioration consiste en une adjonction à ladite composition d'un alkylarylsulfonamide à raison de 50 % ou plus en poids des résines. L'invention porte également sur un procédé pour appliquer et faire adhérer une couche de peinture sur ladite composition après séchage.
Smart & Biggar
The Minnesota Mining & Manufacturing Company
LandOfFree
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