C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/20 (2006.01) C08G 59/12 (2006.01) C08G 63/60 (2006.01) C09D 5/03 (2006.01) C09D 163/00 (2006.01) C09D 167/00 (2006.01)
Patent
CA 2127966
A B S T R A C T PROCESS FOR THE PREPARATION OF AN ACID FUNCTIONAL POLYESTER RESIN A process for the preparation of a linear tertiary aliphatic carboxyl functional polyester resin by reacting a) at least one compound A' comprising one monofunctional prima- ry- or secondary hydroxyl group and/or at least one compound A" comprising one primary- or secondary hydroxyl group and one tertia- ry aliphatic carboxyl group and b) at least one aromatic or cycloaliphatic dicarboxylic acid compound B comprising two aromatic- or secondary aliphatic carboxyl groups or the anhydride thereof and c) at least one diol compound C comprising two aliphatic hydroxyl groups which may each independently be a primary or a secondary hydroxyl group and d) at least one dihydroxymonocarboxylic acid compound D compris- ing a tertiary aliphatic carboxyl group and two aliphatic hydroxyl groups, which may each independently be primary or secondary hydroxyl, the molar ratio of compounds A': A": B : C : D being M : N : X+Y+1 : X : Y, wherein M + N - 2 X ranges from 2 to 8 and Y ranges from 2-N to 8, at a temperature of from 100 to 240 °C, until essentially all the non-tertiary carboxyl groups as initially present in the reaction mixture have been reacted.
Freriks Jan
Groenveld Pieter
Kooijmans Petrus G.
Raudenbusch Werner T.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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