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Aisin Chemical Co Ltd
Original Assignee
Aisin Chemical Co Ltd
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Publication date
Application filed by Aisin Chemical Co LtdfiledCriticalAisin Chemical Co Ltd
Priority to JP16051987ApriorityCriticalpatent/JPS644663A/en
Publication of JPS644663ApublicationCriticalpatent/JPS644663A/en
PURPOSE:To obtain a coating composition excellent in adhesion, mist heat build-up, etc. and suitable for coating automobiles, etc., by mixing an acrylic resin with a chlorinated polypropylene resin, a titanium coupling agent, a chlorinated rubber and a hygroscopic silica at a specified ratio. CONSTITUTION:A coating composition is obtained by mixing 100pts.wt. acrylic resin (A) with 5-30pts.wt. chlorinated polypropylene resin (B), 0.1-1pt.wt. titanium coupling agent (C) (e.g., isopropyltristearoyl titanate), 2-30pts.wt. chlorinated rubber (D) and 1-10pts.wt. hygroscopic silica (E). As component A, a resin having a polar group such as a hydroxyl or carboxyl group in a side chain and forming coating film by lacquer drying is desirable. The obtained coating composition can be used as a coating for blacking out of an automobile top coating and has a feature of adhering to a substrate without sanding.
A method for the reduction or prevention of tannin-staining on a surfacesusceptible to tannin-staining through the use of a complexing agent fora transition-metal ion and compositions containing such a complexing agent
Method of coating a substrate with an ambient temperature- drying aqueous elastomeric composition and the use of such compositions in or as elastomeric coating compositions