Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-08-21
1980-09-23
Levin, Stanford M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 312N, 260 332SB, 260 334SB, 260 336SB, 428447, 525100, 525101, C08K 501, C08K 505, C08K 506, C08K 509
Patent
active
042242118
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) partially hydrolyzed silicon compounds consisting essentially of copartial hydrolyzates of an organic silicon compound of the formula: R.sub.n Si(OR').sub.4-n wherein n is 1 to 3, R is a hydrocarbon group and R' is an alkyl, and a tetraalkoxysilane, or a mixture of partial hydrolyzates of each organic silicon compound and tetraalkoxysilane, said partial hydrolyzate of the organic silicon compound being contained in a larger ratio to the partial hydrolyzate of the tetraalkoxysilane, (B) an acrylic copolymer and an etherated methylolmelamine, and (C) a solvent. The coating composition can give a transparent and hard coating film having excellent boiling water resistance, heat cycle resistance and weatherability even under severe conditions.
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Futagami Mikio
Kanazawa Hiroyuki
Levin Stanford M.
Sumitomo Chemical Company Limited
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