Abstract: A thermosetting resin composition useful in a powder coating composition comprising a polyepoxy compound and a polycarboxylic acid obtained by reacting (1) one mole of a polycarboxylic acid obtained by reacting (i) one mole of a polyoxyalkylene ether of a dihydric phenol, with (ii) 1 to 4 moles of trimellitic acid or anhydride thereof, (2) from 0.1 to 0.5 moles of a diepoxy compound.

Abstract: A thermosetting resin composition useful in a powder coating composition comprising a polyepoxy compound and a polycarboxylic acid obtained by reacting 1 to 4 moles of trimellitic acid, or anhydride thereof, with a polyoxyalkylene ether of a dihydric phenol.

Abstract: A thermosetting resin composition useful in a powder coating composition comprising a polyepoxy compound and a polycarboxylic acid obtained by reacting (1) one mole of a diol compound prepared by reacting (i) one mole of an organic diisocyanate, with (ii) from 1.5 to 4.0 moles of a polyoxyalkylene ether of a dihydric phenol, with (2) 1 to 4 moles of trimellitic acid or anhydride thereof.

Abstract: A glass fiber sizing agent comprising, as a sizing component, an oil-in-water emulsion of a saturated polyester which is formed by emulsifying in water, a saturated polyester obtained by reacting, under heating, (a) an aromatic or saturated aliphatic dicarboxylic acid or lower alkyl ester thereof, (b) a diol component containing at least 40 mole %, based on the total diol component, of an adduct of 2 to 10 moles of an alkylene oxide to 2,2-bis(4-hydroxyphenyl)propane, and (c) 5 to 30 parts by weight, per 100 parts by weight of the sum of the starting components (a) and (b), of an emulsifier selected from the group consisting of an adduct of 10 to 200 moles of ethylene oxide to castor oil, an adduct of 10 to 200 moles of ethylene oxide to hardened castor oil and a polyethylene glycol having an average molecular weight of 1000 to 6000.

Abstract: Glass fiber mats are prepared by binding glass fibers with a resinous component, wherein the resinous component is an unsaturated polyester resin powder having a melting point of 80.degree. to 130.degree. C and a molecular weight of 2,500 to 7,000 obtained by reacting (A) one mole of a dicarboxylic acid component comprising an .alpha.,.beta.-unsaturated dicarboxylic acid or anhydride thereof, alone or in admixture thereof with a saturated dicarboxylic acid, with (B) 0.9 to 1.1 moles of a polyol component containing at least 50 molar percent of bis(.beta.

Abstract: A toner composition for use in electrophotography comprising 1 to 20 parts by weight of a colorant and 80 to 99 parts by weight of a resin, wherein said resin consists essentially ofA. from 55 to 100 percent by weight of a polyester resin having a softening point of 100.degree. to 145.degree.C. measured in accordance with ASTM-E28-51T (ring and ball method) which is obtained by the reaction of:1. a dicarboxylic acid component containing 50 mol percent or more of a dicarboxylic acid, or an anhydride thereof, selected from the group consisting of fumaric acid, maleic acid, succinic acid, maleic anhydride and succinic anhydride; with2. a polyol component containing more than 50 mol percent of a glycol having the formula ##SPC1##Wherein X is o or 1, and R is alkylene having 1 to 5 carbon atoms, sulfur, oxygen, ##EQU1## and ##SPC2##Is cyclohexyl and,B. the balance of said resin, i.e., from 0 to 45 percent by weight of said resin, is a resin having a softening point of 80.degree.C to 150.degree.

Abstract: A thermosetting resin composition consisting essentially of (1) a prepolymer having a thermal vinyl group, prepared by reacting (a) a polyepoxide compound with at least one equivalent, per epoxy group of said polyepoxide compound, of (b) a dicarboxylic acid half ester having the formula: ##SPC1##Wherein R is ##EQU1## in which n is an integer of 1 to 4 and X is H or CH.sub.3, and R' is a divalent aliphatic group having 2 to 6 carbon atoms or a divalent aromatic radical having 6 or 7 carbon atoms; and (2) a vinyl monomer copolymerizable therewith.