Coating composition

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 328SB, 260 332R, 260 334R, 260 336UA, 260 338SB, 428450, 428451, 428452, C08K 501, C08K 506, C08K 507, C08K 509

Patent

active

040283003

ABSTRACT:
A coating composition useful for improving the surface properties, such as surface hardness and chemical resistance, of plastic products, wooden products, metallic products, or the like, which comprises (A) silicon compounds partial hydrolyzates comprising a partial hydrolyzate of a tetraalkoxysilane and a partial hydrolyzate of an organic silicon compound of the formula: R.sub.n Si(OR').sub.4.sub.-n wherein R is a hydrocarbon group, R' is an alkyl and n is 1 or 2, and (B) an acrylic copolymer and an etherated methylolmelamine, which are dissolved in a solvent. The coating composition can give a transparent coating film having excellent hardness, water resistance, boiling water resistance, chemical resistance, heat cycle resistance and weatherability, and further antistatic properties onto the formed products.

REFERENCES:
patent: 3565838 (1971-02-01), Atkinson et al.
patent: 3803111 (1974-04-01), Munro et al.
patent: 3821003 (1974-06-01), Dittrich et al.
patent: 3886129 (1975-05-01), Kurz et al.

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