Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-05-26
1978-02-28
Pertilla, Theodore E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 296NR, C08L 6128
Patent
active
040766748
ABSTRACT:
Latex compositions are obtained having improved properties comprising an acrylic latex and a water soluble, carboxyl modified oligomer as adduct reaction product. These adducts are produced by initially obtaining a water insoluble product which is (1) the reaction product of a polycaprolactone polyol and an anhydride of a polycarboxylic acid; or (2) the reaction product of a polycaprolactone polyol, a polyisocyanate and an anhydride of a polycarboxylic acid; or (3) the reaction product of a polycaprolactone polyol, a diepoxide and an anhydride of a polycarboxylic acid. In producing either of the above three types of adducts or products the polycaprolactone polyol used 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 has at least one intramolecular carboxylic anhydride group. These water insoluble adducts on reaction with an inorganic or organic base are converted to water soluble, carboxyl modified oligomer or adduct reaction products present in our latex compositions.
REFERENCES:
patent: 3408421 (1968-10-01), Kurka
patent: 3775354 (1973-11-01), Hostettler et al.
patent: 3896303 (1975-07-01), Gerkin
Chem. Abstracts vol. 78, No. 16, Apr. 23, 1973 (112777a) p. 77.
Koleske Joseph Victor
Smith Oliver Wendell
Fazio Francis M.
Pertilla Theodore E.
Union Carbide Corporation
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