C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/04 (2006.01) B60J 10/02 (2006.01) C09D 183/04 (2006.01)
Patent
CA 2632747
An aqueous dispersion coating for rubber and polymer substrates comprises a blend of a polysiloxane and a curable polyurethane and various additives such as a urethane crosslinking agent, a heat resistant filler, and the like. The aqueous dispersion coating reduces the noise upon contact or movement of the coated substrate with an article and maintains the initial static coefficient of friction therewith over a period of time. A desired end use is as a coating on vehicle weatherstrips such as for doors, trunks, and other enclosing articles.
L~invention concerne un revêtement sous forme de dispersion aqueuse pour substrats caoutchoutiques ou polymériques comprenant un mélange d~un polysiloxane et d~un polyuréthane durcissable et divers additifs tels qu~un agent de réticulation à base d~uréthane, des charges résistantes à la chaleur et analogue. Le revêtement sous forme de dispersion aqueuse permet de réduire le bruit lors du contact ou du mouvement du substrat enduit avec un article et de conserver le coefficient de friction statique initial pendant une période de temps. Ce revêtement est destiné à une utilisation sur des calfeutrages de véhicules, comme au niveau des portes, des coffres et d~autres articles formant une fermeture.
Lord Corporation
Perley-Robertson Hill & Mcdougall Llp
LandOfFree
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