High solids coating compositions

Details High solids coating compositions High solids coating compositions

1978-04-20

1979-07-31

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525418, 528254, 528289, 528354, C08L 6704, C08G 6376, C08L 6132

Patent

active

041630297

ABSTRACT:
High solids coating compositions comprising a polycaprolactone derivative and a mixture of a methylolated melamine and a low molecular weight polyol; and, optionally, solvent and catalyst. The polycaprolactone derivative used in the coating compositions is the reaction products of a polycaprolactone polyol, a diepoxide and an anhydride of a polycarboxylic acid; the polycaprolactone polyol has an average of at least two hydroxyl groups in the molecule, a hydroxyl number of from about 15 to about 600 and an average molecular weight of from about 290 to about 6,000. The carboxylic acid anhydride mentioned has at least one intramolecular carboxylic anhydride group. The polycaprolactone derivatives are water insoluble.

REFERENCES:
patent: 3267174 (1966-08-01), Fry et al.
patent: 3408421 (1968-10-01), Kurka
patent: 3668178 (1972-06-01), Comstock et al.
patent: 3857817 (1974-12-01), Henshaw et al.
patent: 3928265 (1975-12-01), Dhein et al.
patent: 3994851 (1976-11-01), Chang

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