C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/480.8
C07C 69/60 (2006.01) C08F 22/14 (2006.01) C08F 222/20 (2006.01)
Patent
CA 1054627
ABSTRACT OF THE DISCLOSURE Hydroxy unsaturated diesters, and process for their production, of formula I R1 - O2C - CH = CH - CO2 - R2 wherein R1 represents (a) an alkyl group of two to six carbon atoms containing one free hydroxyl group, (b) a 2,3-dihydroxypropyl group, or (c) a group of formula II Image II wherein n = 2 or 3, x = 2 or 3, and m is from 1 to 800; R2 represents an alkyl group of linear or branched configuration containing two to twelve carbon atoms, which process comprises reacting together a polyol of formula R1OH, a primary alcohol of formula R2OH, and an acid of formula HO2C-CH=CH- CO2H, or an anhydride of such acid, in the presence of para-toluene sulphonic acid as esterification catalyst, in the proportions of 1 mole of polyol of formula R1OH, to 1.1 moles of primary alcohol of formula R2OH, to 1 mole of acid of formula HO2C-CH=CH-CO2H, or anhydride thereof, and isolating the monomeric unsaturated diester so produced. These compounds are copolymer- izable by free radical processes with acrylic or vinyl acetate monomers. These polymers can be cross-linked with amino resins to provide thermo- setting film forming compositions.
214705
Kambanis Stamatis M.
Roberts Alan D.
Schank Walter
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