C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 161/32 (2006.01) C08G 12/40 (2006.01) C08L 61/20 (2006.01) C09D 171/02 (2006.01) C08L 71/00 (2006.01)
Patent
CA 2221715
A coating composition containing a linear aminoplast-ether copolymer of formula (I), where the divalent R01 contains a divalent alkyleneoxy containing moiety, Amp is the skeletal residue of an aminoplast, R is hydrogen, alkyl containing 1 to about 4 carbon atoms and acyl containing 1 to about 4 carbon atoms, p is a positive number that is equal w the free valence of Amp minus 2, RO is bonded to alkylene units of Amp, and a is a number greater than 1.
L'invention concerne une composition de revêtement contenant un copolymère linéaire aminoplaste-éther de la formule (I). Dans cette formule, le groupe divalent R01 contient un fragment alkylèneoxy divalent, Amp est un fragment représentant l'ossature d'un aminoplaste, R est un hydrogène, un alkyle ayant entre 1 et environ 4 atomes de carbone ou un acyle ayant entre 1 et environ 4 atomes de carbone, p est un nombre positif qui est égal à la valence libre de Amp moins 2, RO est lié aux unités alkyène de Amp et a est un nombre supérieur à 1.
Glancy Charles W.
Steinmetz Alan L.
Riches Mckenzie & Herbert Llp
Sud-Chemie Inc.
United Catalysts Inc.
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