Aqueous polyester coating composition, method of making, and coa

Details Aqueous polyester coating composition, method of making, and coa Aqueous polyester coating composition, method of making, and coa

1977-03-25

1978-12-19

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 292E, 260 294R, 260850, 428379, C08G 6318, C08G 6320, C08G 6368

Patent

active

041305205

ABSTRACT:
A water dispersible polyester resin solution is made by esterifying a mixture, consisting of: about 2.0 moles to about 5.0 moles of an organic, dicarboxylic acid selected from at least one, of an aromatic dicarboxylic acid, and tetrahydrophthalic acid; about 0.1 mole to about 1.5 moles of an organic, unsaturated aliphatic dicarboxylic acid; about 0.1 mole to about 6.5 moles of an organic, saturated aliphatic dicarboxylic acid; about 1.0 mole to about 5.0 moles of an organic, alicyclic dihydric alcohol; 0 mole to about 5.0 moles of an organic, aliphatic dihydric alcohol and about 0.6 mole to about 1.2 moles of a compound effective to cause cross linking; and adding an amount of organic solvent effective to provide a solution of between about 50 wt. % to about 90 wt. % solids content; wherein the esterification reaction is continued until the acid value drops to between about 45 to about 65, and wherein the mole ratio of OH/COOH = 0.30 to 0.90.

REFERENCES:
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patent: 3310512 (1967-03-01), Curtice
patent: 3426098 (1969-02-01), Meyer et al.
patent: 3553215 (1971-01-01), Zalewski et al.
patent: 3652501 (1972-03-01), Albers et al.
patent: 3668277 (1972-06-01), Riemhofer et al.
patent: 3882188 (1975-05-01), Behmel
patent: 4011185 (1977-03-01), Hosokawa et al.

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