Stabilized phenolic resins

Details Stabilized phenolic resins Stabilized phenolic resins

1980-05-12

1981-09-15

Pertilla, Theodore E.

Coating processes

With post-treatment of coating or coating material

Heating or drying

260 293, 4273883, 4273884, 4273897, 428436, 428457, 428524, B05D 726, C08L 6110

Patent

active

042898145

ABSTRACT:
The addition of a water-absorbent, finely divided powder to a phenolic resole resin provides a stabilized resin composition which cures in the presence of an acid catalyst at ambient temperatures to a relatively thick coating having a reduced number of defects, e.g., pinholes and blistering. For example, a resole resin composition containing a stabilizing amount of fumed silica can be blended with a mixture of benzene sulfonyl cloride and trichloroacetic acid, applied to a substrate and cured to form an essentially defect-free coating.

REFERENCES:
patent: 2655490 (1953-10-01), Sonnabend et al.
patent: 4033909 (1977-07-01), Papa
Chemical Abstract 67:54479q, Vysokomol, Soedin, Ser. A. 9(5), 1058-1065 (1967).
Chemical Abstract 70:78701u, Mekh. Polim. 4(6), 1033-1042 (1968).

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