C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/155, 117/183
C08G 18/62 (2006.01) C08F 212/08 (2006.01) C08F 220/28 (2006.01) C08F 222/10 (2006.01) C09D 125/14 (2006.01) C09D 133/00 (2006.01)
Patent
CA 1111191
ABSTRACT OF THE DISCLOSURE The object of the present invention is to provide a process for the manufacture of soluble organic copolymers, which give non-tacky, water-resistant and elastic films on very diverse substrates or are suitable as binders for pigments, paints and non-wovens, and for the use of these copolymers as a binder component, the sheet-like structures, which can be manufactured from these polymers, having, however, properties which are considerably improved in various respects. In this connection, a lacquer, which contains the new soluble organic copolymers in combination with organic polyisocyanates and is applied to a metallic substrates, cures, after drying in air for three to four days at temperatures of about 20°C, in such a way that the film does not swell under the action of water and also cannot be removed mechanically by scraping, even if the film is briefly exposed to water at temperatures of 50 - 70°C. The binders exhibit a good pigment-binding capacity and also possess good resistance to weathering; these binders are employed mainly as automotive lacquers for final lacquering or as car touch-up lacquers. -1-
279556
Hoechst Aktiengesellschaft
Macrae & Co.
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