C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/205 (2006.01) C08G 18/38 (2006.01) C08K 5/3492 (2006.01) C09D 7/12 (2006.01) C09D 161/32 (2006.01) C09D 201/02 (2006.01)
Patent
CA 2222795
A crosslinking agent comprising one or more carbamate groups or groups convertible to carbamate and two or more polyfunctional amino moieties having the formula (see fig. I) , wherein L is selected from the group consisting of alkyl or aryl, cycloalkyl and alkylaryl having a carbon chain length between 1 and 6 carbon atoms and N is a polyfunctional amino moiety. L may also have additional bridging groups such as eaters, ethers, ureas, or urethanes groups. Also included is a method of making the croselinker, a coating composition containing the crosslinker and a method for coating a substrate with the composition.
Agent de réticulation comprenant un ou plus d'un groupement carbamate ou d'un groupement pouvant se transformer en carbamate et deux fractions amino polyfonctionnelles ou plus ayant la formule (voir la fig. I), où L est choisi dans le groupe comportant un alkyle ou un aryle, un cycloalkyle et un alkylaryle comptant entre 1 et 6 atomes de carbone, et N est une fraction amino polyfonctionnelle. L peut aussi avoir des groupements de pontage additionnels comme des esters, des éthers, des urées ou des uréthannes. On dévoile également une méthode de fabrication de l'agent de réticulation, une composition de revêtement le contenant et une méthode pour enrober un substrat de la composition.
Ohrbom Walter H.
Rehfuss John W.
St. Aubin Donald L.
Basf Corporation
Robic
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