C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/7843, 260/47
C08G 69/44 (2006.01) C08G 69/00 (2006.01) C08G 69/48 (2006.01) C09D 177/00 (2006.01)
Patent
CA 1291157
A B S T R A C T PROCESS FOR THE PREPARATION OF CARBOXYLATED AMIDE BINDERS The invention provides a process for the preparation of water-reducible carboxylated amide binders comprising the consecutive steps: A. reacting: 1. a substantially epoxy-free compound of general formula Image (I) wherein A is the organic residue of a ring opening reaction of a vicinal epoxy group of a polyepoxide with ammonia or an amine having at least two amino hydrogens, R1, R3 and R4 each is hydrogen or a C1-6 alkyl group, with the proviso that at least one of R1, R3 and R4 is hydrogen, R2 is a C2-12 alkylene group, x is 0 or 1 and y is a number from 0 to 4, with 2. a carboxyl group-containing mono- or polyester compound derived from a di- or polycarboxylic acid and a polyhydric alcohol having at least one glycol group per molecule, with the proviso that only one carboxyl group per molecule of di- or polycarboxylic acid has been esterified and the or each ester group is a .beta.-hydroxyester group, at a temperature in the range of from 80 to 160 °C, and B. neutralizing the carboxylic groups or the residual amine groups in the product of step A.
555969
Kooijmans Petrus Gerardus
Sikking Arjan
Van Iperen Roeland
Shell Canada Limited
Smart & Biggar
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