C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
402/1, 400/5046,
C09D 5/44 (2006.01) C07C 67/00 (2006.01) C07C 69/00 (2006.01) C08G 59/68 (2006.01) C08G 63/87 (2006.01) C09D 5/03 (2006.01) C09D 163/00 (2006.01) C09D 167/00 (2006.01) C09D 201/06 (2006.01)
Patent
CA 1302617
ABSTRACT Coating compositions having hydroxyl functional resin components and carboxylic ester components adapted for curing by transesterification following application to a substrate are formulated with an in situ formed cure catalyst comprising an epoxy compound containing oxirane functionality and non-acidic nucleophilic compound substantially free of active hydrogen atoms that is adapted to react with oxirane functionality. Such coatings include polyesters, polyepoxides and polyacrylates and are useful in formulating high solids contents coatings and powdered coatings having exceptional physical properties. Extremely low temperature cure coatings are obtainable by transesterifying mixtures of polyols and polymeric esters having multiple activated ester linkages. Such coatings provide low temperature cure coatings for paper, plastic, wood and metal substrates.
539023
Abbey Kirk J.
Craun Gary P.
Abbey Kirk J.
Craun Gary P.
Glidden Company (the)
Mitchell Richard J.
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