C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/124, 402/403
C07D 263/14 (2006.01) C08F 226/06 (2006.01)
Patent
CA 1181064
ABSTRACT An improved process for preparing a vinyl oxazoline drying oil ester by reacting drying oil fatty acids with tris(hydroxy methyl) amino methane to form an intermediate which is further reacted at about 175-190°C with a formaldehyde/alcohol solution to form the vinyl oxazoline drying oil ester; the improvement used with this process is the use of at least 3 moles of formaldehyde to one mole of inter- mediate and about 1-5% by weight, based on the weight of the intermediate, of methanol and adding after the reaction with formaldehyde about 5-25% by weight, based on the weight of the ester solution, of an alcohol, a ketone or a mixture of an alcohol and a ketone; polymers of this ester and coating compositions of these polymers are also disclosed.
390996
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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