Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1986-12-05
1988-06-28
Lieberman, Allan M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
522 97, 526304, 526305, 562571, C07C 6954, C07C10206, C07C10314, C07C10324
Patent
active
047540567
ABSTRACT:
Liquid coating compositions adapted to be cured by exposure to ionizing radiation are disclosed in which a liquid vehicle of coating viscosity having an ethylenically unsaturated portion comprising one or more polyethylenically unsaturated materials adapted to cure on radiation exposure, pigment dispersed in the vehicle, and an acrylate-functional radiation-curable dispersant having free carboxyl group for wetting the pigment and assisting in the stable dispersion of the pigment in the vehicle. This dispersant is an acrylate-functional carboxylic acid amide carrying free carboxyl groups, especially an adduct of a polyacrylate and a stoichiometric deficiency of a primary amine to provide a secondary amine having acrylate functionality, the secondary amine functionality being reacted with a polycarboxylic acid anhydride to form amide groups therewith.
REFERENCES:
patent: 3914165 (1975-10-01), Gaske
patent: 4026851 (1977-05-01), Greene
patent: 4303563 (1981-12-01), Emmons et al.
patent: 4528350 (1985-07-01), Goosens et al.
Ansel Robert E.
Murray Kevin P.
DeSoto, Inc.
Lieberman Allan M.
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