Raindrop fouling-resistant paint film, coating composition, film

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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106 1505, 523212, 524448, 524837, 524449, C08L 8300

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06013724&

ABSTRACT:
The present invention relates to a paint film embodying a new parameter representing the resistance to raindrop fouling and having very satisfactory fouling resistance, particularly resistance to raindrop fouling, even ultra-low foulability, as well as high water resistance, acid resistance, alkali resistance, and crack resistance; a coating composition capable of providing said paint film; a method for forming a satisfactory paint film using said coating composition; and an article coated with said paint film. A coating composition comprising (I) a tetramethoxysilane partial hydrolyzed condensate and at least one member selected from (A) a film-forming resin and (B) an inorganic binder containing alkoxysilyl as a reactive curing group and having a water dynamic reverse tension (Tr) of not less than 55 dyn/cm; and an antifouling paint film containing the coating composition is provided.

REFERENCES:
patent: 4172187 (1979-10-01), Fabel
patent: 5824736 (1998-10-01), Kobayashi et al.
patent: 5834584 (1998-11-01), Itani et al.
patent: 5854336 (1998-12-01), Diuone, Jr. et al.
Patent Abstracts of Japan, vol. 018, No. 462 (C-1243),Aug. 29, 1994 and JP 06 145453 A, May 24, 1994.

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