High solids baking finishes

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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524315, 524318, 524366, 524376, 524377, 524378, 524390, 524512, 524558, 525162, 526317, C08F 2004

Patent

active

045102848

ABSTRACT:
Baking finishes having a high solids content contain, as the binder, a copolymer of one or more mono-acrylate or monomethacrylate of an alkanediol, an ester of acrylic or methacrylic acid whose homopolymer has a glass transition temperature of below -40.degree. C., an ester of acrylic acid or methacrylic acid whose homopolymer has a glass transition temperature of above 35.degree. C. and acrylic acid or methacrylic acid, which copolymer has a Fikentscher K value of from 13 to 17 and may or may not be used in combination with conventional aminoplast precondensates having a crosslinking action. These baking finishes are particularly useful as binders for automotive finishes.

REFERENCES:
patent: Re27151 (1971-06-01), Hicks
patent: 2681897 (1954-06-01), Frazier et al.
patent: 2853463 (1958-09-01), Gaylord
patent: 2900359 (1959-08-01), Chapin et al.
patent: 3326859 (1967-06-01), Semer
patent: 3370050 (1968-02-01), Seiner
patent: 3853822 (1974-12-01), Brod et al.
patent: 3896070 (1975-07-01), Tummler et al.
patent: 3926888 (1975-12-01), Cheung et al.
Industrial & Engineering Chemistry 53 (1961), pp. 466-488.

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