Polycaprolactone derivatives and coating compositions thereof

Details Polycaprolactone derivatives and coating compositions thereof Polycaprolactone derivatives and coating compositions thereof

1976-05-26

1978-06-20

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75N, 260 75UA, 260 7841, C08G 6312, C08G 6352, C08G 6368

Patent

active

040961257

ABSTRACT:
Water insoluble adducts are produced comprising the reaction product of a polycaprolactone polyol and an anhydride of a polycarboxylic acid. The polycaprolactone polyol reacted with the anhydride of the polycarboxylic acid has an average of at least two hydroxyl groups in the molecule, a hydroxyl number of from about 15 to 600 and an average molecular weight of from about 290 to about 6,000. The carboxylic acid anhydride has at least one intramolecular carboxylic anhydride group. These water insoluble adducts on reaction with an inorganic or organic base produce water soluble, carboxyl modified oligomer addition reaction products which are eminently suitable for the production of aqueous coatings compositions. Exceptionally good coatings compositions are obtained when a crosslinker is present in the coating composition.

REFERENCES:
patent: 3169945 (1965-02-01), Hostettler et al.
patent: 3408421 (1968-10-01), Kurka
patent: 3554983 (1971-01-01), Goodman et al.
patent: 3668178 (1972-06-01), Comstock et al.

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