Abstract: Thermosettable polyol resins for coating compositions are prepared by reacting a polyglycidyl ester of an aliphatic polycarboxylic acid and a di- to hexa-hydric aliphatic alcohol with an adduct of a di- to hexa-hydric aliphatic alcohol and a glycidyl ester of a branched aliphatic monocarboxylic acid with 5 to 15 C-atoms, said adduct having an epoxy group content of less than 0.2 meq/g.

Abstract: An aromatic polyglycidyl polyether resin having an average of 1.5 to 4.5 epoxy groups and 0.1 to 18 primary or secondary --OR groups per molecule, wherein from 5 to 95% of the --OR groups have the general formula --O--CH.sub.2 --CHOH--CH.sub.2 --O--C(O)--R', in which R' is a branched C.sub.4-17 alkyl group, the remainder of the --OR groups being hydroxyl groups, and a process for preparing the same wherein an epoxy compound (A) is reacted with one or more hydroxyl groups contained in a polyglycidyl polyether (B) of a polyhydric aromatic compound in the presence of an etherification catalyst (C), in which (A) is a glycidylester of a C.sub.5-18 branched aliphatic monocarboxylic acid, (B) is a polyglycidyl polyether having on average of from 1.5 to 4.5 epoxy groups and of form 0.1 to 18 primary or secondary hydroxyl groups per molecule, and (C) is a tin, zinc or iron compound.

Abstract: An adduct of:a) one or more polyhydric alcohols of formula R(OH).sub.n in which R is an aliphatic or heterocyclic moiety of from 2 to 18 carbon atoms, the hydroxyl groups are attached to a primary carbon atom, or a secondary carbon atom in which the second hydroxyl group is attached to a carbon atom no more than 4 carbon atoms away from said secondary carbon atom, and n is an integer of from 2 to 6, andb) an at least equimolar amount of one or more monoepoxides of formula ##STR1## in which R' is an optionally substituted aromatic moiety of up to 14 carbon atoms,said adduct having a molecular weight distribution Mz/Mw of from 1 to 1.1, and a process for preparing the same.

Abstract: A process for the preparation of a polyether resin having an epoxy group content of less than 0.2 meq/g and containing or average n/3-0.5 to n/3+2.5 primary hydroxyl groups, the process comprising reacting a glycidyl ester of a C.sub.9-11 branched aliphatic acid with an aliphatic primary polyhydric alcohol having n primary hydroxyl groups and 5 to 16 carbon atoms, n having a value of 3 to 6, in the presence of an etherification catalyst selected from a tin, zinc or iron compound.

Abstract: A process is disclosed for preparing an aqueous paint composition including the steps of(a) mixing a pigment powder having a particle size less than about 20 micrometers, a cross-linking agent and an epoxy resin to form a liquid, solvent-free paste;(b) reacting the resultant paste with a secondary amine to provide at least one N-H function per epoxy group of the epoxy resin; and(c) neutralizing the resulting suspension of particles coated with an epoxy-amine adduct and a cross-linking agent.Also provided is a coating process employing the invention aqueous paint composition containing a transesterification-promoting metal compound.

Abstract: Process for the preparation of a polyether resin by reacting a diglycidyl ether of a dihydric phenol with an alcohol of formula R-C(CH.sub.2 OH).sub.3, R being C.sub.1-4 -alkyl, using an equivalent ratio e.sub.OH to e.sub.epoxy >1 and selecting P>1.05, wherein ##EQU1## F.sub.epoxy being the epoxy functionality of the diglycidyl ether.

Abstract: Carboxyl-containing resinous compounds, suitable for making water-dilutable thermosetting coating compositions after at least partial neutralization with a base, are prepared by a process wherein a non-acidic hydroxyl-containing resinous intermediate prepared by reacting at a temperature in the range 120.degree. to 180.degree. C. in the presence of an esterification catalyst in one or more steps (a) a diglycidyl ether of a dihydric phenol having an epoxy molar mass not exceeding 1100 with (b) a monofunctional phenol, and (c) dimerized unsaturated fatty acids in an epoxy phenolic or acidic equivalent ratio of (a), (b) and (c) from x/2/(x-2) to (x+0.1)/2/(x-2), wherein x is at least 4 for a diglycidyl ether having an epoxy molar mass from 400 to 1100 and x is at least 6 for a diglycidyl ether having an epoxy molar mass below 400, is reacted at a temperature not higher than 150.degree. C. with a carboxylic acid anhydride in an amount to produce a half-ester having an acid value in the range 15 to 80 mg KOH/g.