Preparation of resinous products

Details Preparation of resinous products Preparation of resinous products

C - Chemistry, Metallurgy

08

L

400/4206, 400/54

C08L 63/10 (2006.01) C08F 283/10 (2006.01) C08G 8/38 (2006.01) C08G 14/14 (2006.01) C08G 59/14 (2006.01) C08G 59/16 (2006.01) C08G 59/18 (2006.01)

Patent

CA 1253991

ABSTRACT PREPARATION OF RESINOUS PRODUCTS Water-dilutable resinous products are obtained by reacting (A) a resin having at least one phenolic hydroxyl group and a free position ortho and/or para to a phenolic hydroxyl group, and containing a residue formed by polymerisation of a vinyl monomer in the resin or in a precursor thereof, (b) an aldehyde, and (C) sulphurous acid or an organic acid containing a primary or secondary amino group or a mercaptan group and a carboxylic, sulphonic or phosphonic acid group, or a water- soluble salt thereof. Aqueous compositions containing the resinous products and, if required, an aminoplast, a phenoplast or a blocked polyisocyanate, usually together with a minor amount of an organic solvent, are useful in the formation of surface coatings.

476848

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