Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-12-06
1980-10-21
Griffin, Ronald W.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 19N, 260 19UA, C09D 354, C09D 356, C09D 366
Patent
active
042293316
ABSTRACT:
Process for producing water-emulsifiable air-drying paint binders, the binders, and the emulsions therefrom characterized in that in a first reaction step 10 to 35 percent by weight of a polyethylene glycol having an average molecular weight of between about 500 and 5000, and 5 to 25 percent by weight of a low molecular weight formaldehyde condensate of an alkyl phenol and/or aryl phenol obtained under alkaline conditions are reacted at from 100.degree. to 160.degree. C., and the reaction product condensed in a second reaction step at from 180.degree. to 250.degree. C. with 40 to 85 percent by weight of a natural or synthetic substantially hydroxy-free ester of unsaturated oil fatty acids and polyols; and the obtained product in a third reaction step processed to provide an alkyl resin or oil binder, the weight ratios and reaction conditions being chosen in order that the final product has a level of from about 4 to 12 percent by weight of polyethylene glycol and an acid value of 10 to 30 mg KOH/g. The binders of the process when emulsified and used in the preparation of a paint have excellent storage stability and provide cured paint coatings having, inter alia, excellent water resistance.
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Breiner A. W.
Griffin Ronald W.
Vianova Kunstharz A.G.
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