Abstract: Solvent-borne alkyd resin compositions are disclosed comprising a 21-carbon dicarboxylic acid. Substitution of the dibasic carboxylic acid component of the composition with this 21-carbon dicarboxylic acid permits a reduction in the viscosity of the resin without decreasing the average molecular weight of the resin.

Abstract: Disclosed are polymers of average molecular weight ranging from 400 to 20,000 comprising thiosubstituted groups per molecule and resulting from the reaction, in the presence of an addition catalyst, of at least one compound with a thiol function, having 1 to 60 carbon atoms per molecule, with an unsaturated polyester resulting from the condensation of an aliphatic epoxide with an unsaturated aliphatic dicarboxylic compound comprising at least one ethylenic unsaturation in the alpha position of one of the carboxyl groups. Also disclosed are middle distillate compositions having a distillation range from 150.degree. to 450.degree. C. and comprising a minor proportion, preferably from 0.001 to 2% by weight, of at least one of the polymers defined hereinabove.

Abstract: A polyimide-forming composition comprising(A) a polycarboxylic acid partial ester of formulaHOOC--R.sup.1 --COOR.sup.2 Iwhere R.sup.1 denotes a divalent ethylenically unsaturated aliphatic or cycloaliphatic group of 2 to 20 carbon atoms, and R.sup.2 denotes the residue, after removal of a hydroxyl group, of an alcohol having from 4 to 20 carbon atoms which has a cycloaliphatic, aromatic or heterocyclic ring and is polymerizable on heating in the presence of an acid,(B) a partial ester of formula I above in which R.sup.1 denotes a group of formula II ##STR1## where Ar.sup.1 denotes a tetravalent aromatic group of 6 to 20 carbon atoms linked through aromatic carbon atoms thereof to the indicated carbon atoms, and R.sup.2 is as defined above,(C) an aromatic primary polyamine and(D) a heat-activable substance which releases an acid at a temperature of 100.degree. C. or above.

Abstract: A water dispersible polyester polymer is described having one or more polyester chains and one or more non-ionic polyoxyalkylene chains in which at least 40% of the repeating oxyalkylene units are oxyethylene units. The polyester polymer has a structure in which one or more of the polyoxyalkylene chains are pendent to at least one of the polyester chains. The poloxyalkylene chains provide the polyester with non-ionic stabilization enabling the polyester to form aqueous dispersions which possess good colloid stability.

Abstract: A modified polyester is produced by co-condensation-polymerizing a starting linear polyester which may have a branched group, having a number-average molecular weight of 300 to 1,400 and containing from 10 to less than 25 mole percent, basd on the total constituent monomer units of the starting polyester, of a dihydric alcohol having the following formula: HO--(CH2)n--OH, in which n is an integer of 2 to 6, with a tri- or more-valent monomer(s) selected from a tri- or higher valent carboxylic acid, a derivative thereof and a tri- or higher-valent alcohol. The modified polyester is useful as binder resin in an electrophotographic developer composition and toner.

Abstract: Stabilized aqueous polymer latex compositions comprising: (A) a polymeric latex particle; (B) a protective colloid; and (C) a polyoxyalkylene-containing alkyd resin which is the reaction product of (i) at least one polyoxyalkylene, (ii) at least one polyol; (iii) at least one polycarboxylic acid anhydride; and (iv) at least one monocarboxylic acid are disclosed. Also detailed is a method of producing such a stabilized polymer latex composition.

Abstract: Aromatic anhydride copolymers containing at least two aromatic diacid units, which are soluble in chloroform or dichloromethane to concentrations between approximately 0.5 to 50% weight/volume, melt at temperatures below 180.degree. C., and have low crystallinity are disclosed. The copolymers may contain between 0 and approximately 30% aliphatic diacid units. All copolymers are insoluble in carbon tetrachloride, i.e., less than 0.1% polymer by weight/volume solvent). The desired properties are the result of adding between 10 and 90% of a second aromatic diacid, to the copolymer composition which introduces irregularity in the polymer chains that dramatically alter the polymer properties, decreasing the crystallinity and melting point and increasing the solubility in the common solvents, dichloromethane or chloroform. An additional decrease in Tg and MP, with an increase in flexibility, is obtained by adding small amount of aliphatic diacid, up to about 30%.

Abstract: The invention relates to polyester amide imides produced by condensation of a dimerized fatty acid, and optionally straight-chain aliphatic and/or aromatic dicarboxylic acids having from 6 to 13 carbon atoms, trimellitic anhydride, aliphatic diamines having from 2 to 12 carbon atoms, and either a mixture of isomers of 3,8-dihydroxymethyltricyclo[5.2.1.0.sup.2,6 ]decane 3,9-dihydroxymethyltricylo[5.2.1.0.sup.2,6 ]decane 4,9-dihydroxymethyltricyclo-[5.2.1.0.sup.2,6 ]decane, 4,8-dihydroxymethyltricyclo[5.2.1.0.sup.2,6 ]decane and/or 1,4-dihydroxymethylcyclohexane.

Abstract: Disclosed is a water-dissipatable polyester containing a sulfonate group and at least 10 mole percent of a multifunctional or branch-inducing moiety. The polyester is useful to prepare coatings such as paints.

Abstract: The present invention relates to polyesters which contain one or more acryloyl groups, have a viscosity at 23.degree.C. of 2,000 to 20,000 mPa.s and an acid value of 0 to 25, and are based on the esterification product of(I) a dicarboxylic acid component containing(A) 20 to 70 mole percent of terephthalic acid,(B) 30 to 80 mole percent of adipic acid and(C) 0 to 30 mole percent of at least one aromatic, aliphatic or cycloaliphatic dicarboxylic acid, other than terephthalic or adipic acid, having a molecular weight of 100 to 202 or an anhydride of such dicarboxylic acid,(II) at least 1.5 moles, based on one mole of the dicarboxylic acid component, of a polyol component containing(D) 0.4 to 1.5 moles of at least one dihydric, saturated C.sub.2-6 alcohol and(E) 0.4. to 1.

Abstract: This invention relates to high solids alkyds, non-aqueous dispersions, and coating compositions containing those alkyds and non-aqueous dispersions, having non-volatile materials contents greater than about 75% NVM, with very low volatile organic contents of less than 305 g/l, which exhibit excellent stability, viscosity and tack-free and dry times when formulated as air dry coating compositions.

Abstract: A peroxide curing agent composition containing 20-90% of an unsaturated alkyd diluent which is fluid at room temperature, is disclosed. The curing agent is useful for the curing of unsaturated polyesters and eliminates the problem of the bleeding of harmful phthalate diluents from such cured polyesters, while providing excellent stability of the diluted peroxide.

Abstract: A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding or fiber grade linear or unsaturated polyester or polycarbonate having copolymerized therein a total of from 1.0 to about 5,000 ppm, of the reactant residue moieties of one or a mixture of bis-methine reactants of the formulaM.sup.1 .dbd.HC--Ar.sup.1 --CH.dbd.M.sup.2whereinAr.sup.1 is an unsubstituted or substituted 1,4-phenylene radical; andM.sup.1 and M.sup.2 are the same or different and each is a disubstituted methylene group having the structure ##STR1## wherein R.sup.1 is ##STR2## and R.sup.2 is ##STR3## wherein R.sup.3 is hydrogen, allyl or an unsubstituted or substituted alkyl, cycloalkyl or phenyl radical;X is a divalent alkylene, cycloalkylene or phenylene radical or a combination thereof which may include within the divalent chain one or two atoms or radicals selected from ##STR4## wherein R.sup.

Abstract: A polyester, wherein pendent phosphorus atoms are bound to the main chain of the polyester, having an excellent flame resistance and a high intrinsic viscosity can be stably produced without deteriorating the properties of said polyester by preliminarily copolymerizing a polyester with a specific unsaturated compound and then reacting the unsaturated bond thus-formed with a specific phosphorus compound having a P-H bond.

Abstract: The present invention relates to a polyethylene terephthalate based copolyester modified by aliphatic dicarboxylic acid containing not less than 9 carbon atoms and poly(tetramethylene oxide)glycol, and to a polyester resin composition comprising said copolyester.Said polyester resin composition exhibits excellent toughness, impact strength and moldability without harming the inherent characteristics of polyethylene terephthlate.

Abstract: Disclosed are flexible, biaxially oriented films of poly(ethylene terephthalate) modified with a long chain dibasic acid or glycol. This material is useful in packaging applications where resistance to flex cracking is important.

Abstract: Disclosed are novel unsaturated polyesters comprised of (i) 2-butenedioic acid residues; (ii) diol residues; and (iii) residues of novel 1,5-diaryl-3-pentanols having the structure ##STR1## wherein R.sup.1 and R.sup.2 each is hydrogen, alkyl or phenyl or collectively R.sup.1 and R.sup.2 are 1,2- or 1,3-alkylene or 1,2-phenylene; and each X is carboxyl, alkoxycarbonyl, hydroxyalkoxycarbonyl, formamido, alkanoylamido or hydroxyalkoxy. Also disclosed are curable compositions containing admixtures of the unsaturated polyesters and aromatic vinyl compounds copolymerizable with the unsaturated polyesters and coating and casted and molded articles obtained from the curable compositions.

Abstract: Organic solvent soluble, acryloyloxy and methacryloyloxy group-containing, condensation polymers are crosslinkable and useful for providing chemical, solvent, and abrasion resistant articles. The condensation polymers are polyesters or polyurethanes having an acryloyloxy or methacryloyloxyalkanediol component that is uncontaminated by hydroxyl group-containing compounds having one, three, or more hydroxyl groups or compounds in which the acryloyloxy or methacryloyloxy group is attached to a secondary carbon atom.

Abstract: An alkyd-type electrodepositable coating composition derived from the reaction of a base alkyd with ethylenically unsaturated monomers including an amine-functional monomer is provided with improved resistance to chipping by chemically incorporating in it by covalent bonding one or more chemical agents selected from the group of:(a) preformed elastomers having functional groups reactive with carboxyl or hydroxyl groups of acid and polyol alkyl precursors, and(b) an addition polymerizable monomer having primary and secondary ethylenic unsaturation.

Abstract: Organic solvent soluble, acryloyloxy and methacryloyloxy group-containing, condensation polymers are crosslinkable and useful for providing chemical, solvent, sand abrasion resistant articles. The condensation polymers are polyesters or polyurethanes having an acryloyloxy or methacryloyloxyalkanediol component that is uncontaminated by hydroxyl group-containing compounds having one, three, or more hydroxyl groups or compounds in which the acryloyloxy or methacryloyloxy group is attached to a secondary carbon atom.

Abstract: Non-autocross-linking binder compositions for water dilutable lacquers are described which comprise components (A), 94 to 40% by weight of a water-dilutable ionic poly(meth)acrylate resin containing hydroxyl groups, (B), 1 to 10% by weight of a special copolymer to facilitate grinding, and (C), 5 to 50% by weight of a cross-linking agent. Aqeuous coating compositions containing the non-autocross-linking binder compositions and methods for using the water dilutable lacquers containing this binder compositions for cathodically or anodically coating electrically conductive objects are also described.

Abstract: The invention relates to the acceleration of the synthesis of unsaturated polyesters containing maleic acid/anhydride, 1 to 30 percent, preferably 5 to 15 percent of the prescribed maleic acid/anhydride is introduced into the reaction mixture in total or in two or more increments at the stage of the reaction when the acid number or the molecular weight of the mixture has reached about 50 to 250 or about 300 to 1500, respectively. Thus, the rate of polyesterification can be increased considerably, occasionally two-folds and, in addition, polyester resins of very low acid number or high molecular weight can be prepared.

Abstract: An imido-modified unsaturated polyester resin composition comprising an imido-modified unsaturated polyester obtainable by reacting an animal or vegetable fat and oil or a fatty acid thereof, an imido alcohol obtainable from a primary amino-alcohol and a polybasic acid anhydride, a polyhydroxy alcohol, and a polybasic acid in such a manner that the imido alcohol is used in an amount of 10 to 60% equivalent amount based on the alcoholic components; and a polymeric monomer.In one of the preferred embodiments, the composition according to the present invention further contains an inorganic filler.According to the present invention, there can be provided resin composition in which the compatibility under heat deterioration when used in enamelled wires has been improved, while maintaining excellent electrical and mechanical properties.

Abstract: The invention relates to compatible polymer blend comprised of two disparate polymers, namely:(A) 1-99 wt. % of a first polymer comprised of monomer units of formula (I): ##STR1## wherein R.sub.1 is hydrogen or methyl, and R.sub.2 is ethyl or a hydrocarbon with 4-40 carbon atoms; and(B) 99-1 wt. % of a second polymer comprised of monomer units of formula (II): ##STR2## wherein R.sub.2 is hydrogen or methyl, and R.sub.4 is ethyl or a hydrocarbon group with 4-40 carbon atoms; and wherein:(a) the sum of (A)+(B)=100 wt. %;(b) when R.sub.2 and R.sub.4 are the same, then R.sub.1 and R.sub.3 are different, and when R.sub.1 and R.sub.3 are the same, then R.sub.2 and R.sub.4 are different; and(c) the groups R.sub.2 and R.sub.4 have similar van der Waals volumes.

Abstract: The present invention is directed to polyester polyols in the hydroxyl number range of about 80 to 250 which are based on reaction products of(a) about 52 to 60 mole % of a polyol component with(b) about 40 to 48 mole % of dicarboxylic acid component, characterized in that(a) the polyol component is based on (i) about 2 to 30 mole % of at least one dihydric aliphatic alcohol which has at least two carbon atoms and is different from neopentyl glycol, (ii) about 5 to 40 mole % of at least one aliphatic alcohol which is at least trihydric and has at least 3 carbon atoms, (iii) about 20 to 60 mole % of bis-(hydroxymethyl)-cyclohexane and (iv) about 10 to 50 mole % of neopentyl glycol, and(b) the dicarboxylic acid component is based on (v) about 50 to 99 mole % of at least one aliphatic, saturated dicarboxylic acid or an anhydride of such an acid containing at least 2 carbon atoms and (vi) about 0.

Abstract: The present invention are highly reproducible poly(propylene glycol fumarate) compositions having a controlled end group ratio and range of molecular weights with minimal low molecular weight and excessively high molecular weight fractions, and methods for their manufacture. These compositions, having a preferred weight average molecular weight (Mw) of between about 500 and 3000 and a number average molecular weight (Mn) of between about 300 and 2000, are especially useful in biomedical applications such as in bone cements and tissue implants or glues.

Abstract: A non-autocrosslinking binder composition for water dilutable lacquers is described, containing from 95 to 50 parts by weight of a water dilutable poly(meth)acrylate resin containing amino and hydroxyl groups and from 5 to 50% by weight of crosslinking agents is described. An aqueous electrodip lacquer coating composition capable of being deposited at the cathode and its use for coating articles having an electrically conductive surface at the cathode are also described.

Abstract: A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding grade linear or unsaturated polyester or polycarbonate having reacted or copolymerized therein the residue of one or a mixture of methine reactants of the formula ##STR1## wherein R.sup.1 is hydrogen or an unsubstituted or substituted alkyl, alkenyl, cycloalkyl or aryl radical;A.sup.1 is an unsubstituted or substituted phenylene radical;A.sup.2 is an unsubstituted or substituted 1,4-phenylene radical;R.sup.2 is hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;R.sup.3 is cyano or ##STR2## and R.sup.4 is one of the substituents which R.sup.3 can represent or an unsubstituted or substituted carbamoyl, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, aryl or aromatic heterocyclic radicals.

Abstract: A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding grade linear or unsaturated polyester or polycarbonate having reacted or copolymerized therein the residue of one or a mixture of methine reactants of the formula ##STR1## whereinR.sup.1 is an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;A is an unsubstituted or substituted 1,4-phenylene radical;R.sup.2 is hydrogen or an unsubstituted or substituted alkyl, alkenyl, cycloalkyl or aryl radical;R.sup.3 is cyano, ##STR2## or an unsubstituted or substituted carbamoyl, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, aryl or aromatic heterocyclic radicals. The methine residues are present in the polymer as an integral part of the polymer chain and absorb ultraviolet radiation in the range of about 250 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.

Abstract: Disclosed are polyesters containing repeating units from trans-4,4'-stilbenedicarboxylic acid and 1,6-hexanediol, the polyesters having an I.V. of at least 1.20, a tensile strength of at least 20,000 psi in 1/16-in. thick injection-molded bars, and a melt viscosity of 3000 poise or less at 265.degree. C. and a shear rate of about 107 sec.sup.-1.

Abstract: The novel polyesters are prepared by direct esterification of bis-hydroxyalkyl esters of aromatic diacids with unsaturated diacids or their anhydrides. These polyesters differ from the prior art polyesters in that they have alternating structures of saturated and unsaturated esters.

Abstract: Composition useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising molding grade linear or unsaturaged polyester or polycarbonate having reacted therewith or copolymerized therein the residue of one or more benzodioxylmethine compounds having the formula: ##STR1## wherein R.sup.1 is cyano, carboxy, alkenyloxycarbonyl or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical;R.sup.2 is one of the groups specified for R.sup.1 or an unsubstituted or substituted aryl, carbamoyl, alkanoyl, cycloalkanoyl, aroyl, alkylsulfonyl, cycloalkylsulfonyl, arylsulfonyl or heterocyclic aryl radical;R.sup.3 is hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;R.sup.

Abstract: The present invention relates to a polyethylene terephthalate based copolyester modified by aliphatic dicarboxylic acid containing not less than 9 carbon atoms and poly(tetramethylene oxide)glycol, and to a polyester resin composition comprising said copolyester.Said polyester resin composition exhibits excellent toughness, impact strength and moldability without harming the inherent characteristics of polyethylene terephthlate.

Abstract: A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding or fiber grade linear or unsaturated polyester or polycarbonate having copolymerized therein a total of from 1.0 to about 5,000 ppm, of the residue of one or a mixture of methine reactants of the formula ##STR1## wherein A is an unsubstituted or substituted 2-furanyl, 2-thienyl or 3-thienyl radical;R.sup.1 is hydrogen or a unsubstituted or substituted alkyl, cycloalkyl or aryl radical; andR.sup.2 is hydrogen or an unsubstituted or substituted alkyl, alkenyl, cycloalkyl or aryl radical.The methine residues are present in the polymer as an integral part of the polymer chain and absorb ultraviolet radiation in the range of about 150 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.

Abstract: A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding grade linear or unsaturated polyester or polycarbonate having reacted or copolymerized therein a total of from 100 to about 800 ppm, of the residue of one or a mixture of methine reactants of the formula ##STR1## wherein R.sup.1 is hydrogen or an unsubstituted or substituted alkyl, alkenyl, cycloalkyl or aryl radical;A.sup.1 is an unsubstituted or substituted phenylene radical;A.sup.2 is an unsubstituted or substituted 1,4-phenylene radical;R.sup.2 is hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;R.sup.3 is cyano or ##STR2## and R.sup.4 is one of the substituents which R.sup.3 can represent or an unsubstituted or substituted carbamoyl, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, aryl or aromatic heterocyclic radicals.

Abstract: A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding or fiber grade linear or unsaturated polyester or polycarbonate having copolymerized therein a total of from 1.0 to about 20,000 ppm, of the reactant residue moieties of one or a mixture of colorants of the formula ##STR1## wherein: each R when present as a substituent, is selected from alkyl, aralkyl, cycloaliphatic, aryl, or the like; and Y is hydroxyl, alkoxy, halogen or the like completing a condensable group.

Abstract: A resinous composition for a top coat comprising a polyester resin modified with a lactone, said polyester resin being characterized in that 10 to 80 mole % of acid component is an alicyclic polycarboxylic acid or anhydride thereof, and 10 to 100 mole % of the carboxyl groups capable of developing a resinous acid value is derived from a polycarboxylic acid which will show a potentiometric midpoint potential in a non-aqueous potentiometric titration, in the state being incorporated into the resin, of -350 mV or more.The coating composition based on said resinous composition is specifically useful as a top coat for automobile bodies in two-tone-color coating.

Abstract: The polyesters of trans-4,4'-stilbenedicarboxylic acid, 95 to 60 mol % 1,4-butanediol, and 5 to 40 mol % ethylene glycol can be injection-molded to give shaped objects having exceptionally high heat resistance. Many of the polyesters also have excellent hydrolytic stability and chemical resistance. The polyesters of this invention can be molded, extruded into film, or spun into fibers having these properties.

Abstract: The polyesters of 100 mol % trans-4,4'-stilbenedicarboxylic acid, 55 to 5 mol % 1,4-cyclohexanedimethanol, and 45 to 95 mol % 1,6-hexanediol can be injection-molded to give shaped objects having exceptionally high tensile strength and heat resistance. Many of the polyesters also have excellent hydrolytic stability and chemical resistance. The polyesters of this invention can be molded, extruded into film, or spun into fibers having these properties.

Abstract: The polyesters of trans-4,4'-stilbenedicarboxylic acid, 95-60 mol % 1,6-hexanediol, and 5-40 mol % ethylene glycol can be injection-molded to give shaped objects having exceptionally high tensile strength and stiffness. Many of the copolyesters of this invention have excellent chemical resistance and good hydrolytic stability. The copolyesters can be injection-molded, spun into fiber, or extruded into film having these properties.

Abstract: A water reducible alkyd vinyl copolymer resin having an acid number in the range of from about 30 to about 70, a method for making the copolymer resin and coating compositions which include the resin are described wherein the copolymer resin is the reaction product offrom about 10 to about 90 percent by weight, based upon the weight of monomers and initiator which provide the alkyd vinyl copolymer resin, of an alkyd resin which is the product of a polymerization reaction and which has an acid number in the range of from about 30 to about 70; andfrom about 10 to about 90 percent by weight based upon the weight of the monomers and initiator which provide the alkyd vinyl copolymer resin, of a vinyl resin which has an acid number in the range of about 30 to about 70.

Abstract: Polyetherimide esters exhibiting improved tensile elongation comprised of the reaction products of (i) a diol mixture consisting essentially of butanediol and less than 70 mole percent of butenediol; (ii) at least one dicarboxylic acid or an ester forming reactive derivative thereof, and (iii) either at least one poly(oxy alkylene)diamine and at least one tricarboxylic acid or its derivative, or at least one polyoxyalkylene diimide diacid.The instant polymers are suitable for extrusion and molding applications.

Abstract: An unsaturated polyester resin syrup containing styrene monomer in which styrene volatilization is suppressed using a substituted succinic acid or substituted succinic anhydride.

Abstract: The invention relates to unsaturated homo- and/or copolymerizable polyesters which have been prepared from an alcohol component comprising a multivalent alcohol, a carboxylic acid component comprising a multivalent carboxylic acid and optionally, hydroxycarboxylic acids or their derivatives capable of forming esters, and an acid component selected from the group consisting of maleic acid, fumaric acid, itaconic acid, mesaconic acid, aconitic acid, their derivatives capable of forming esters and mixtures thereof. As part of the alcohol coponent, hydroxylated polybutadiene with an average molecular weight of 2400 to 3000 and a hydroxy-functionality of 2.2 to 2.4 is condensed into the polyester. The polyesters exhibit useful flow anomalies which are due to their molecular structure.

Abstract: Block copolyesters based on polyalkylene terephthalates which contain polydiene blocks show an extremely low deformation even when they are processed into thin articles. They still have a crystallinity which is decreased by less than the ratio corresponding to the polydiene portion.

Abstract: Compositions comprising an organotin mercaptide, organotin sulfide, organotin carboxylate or mixtures thereof and a diester of an ethylenically unsaturated dicarboxylic acid having one carboxyl group on each carbon atom of the ethenylene group are useful for stabilizing halogen-containing organic polymers against the deteriorative effects of heat, light and weathering.

Abstract: Process for the manufacture of unsaturated polyester resins.Process for the manufacture of unsaturated polyester resins in two steps starting from polyols, orthophthalic anhydride and maleic anhydride.Production of resins exhibiting linear maturing with magnesia.

Abstract: A polyester polyol mixture is prepared by reacting a polycarboxylic acid component-containing polyol with a terephthalic acid residue, wherein the polycarboxylic acid component has ring units with two ##STR1## groups on adjacent or alternate ring positions, the ring unit content of the polycarboxylic acid component being sufficient for viscosity reduction of the polyester polyol mixture. The polyester polyol mixture is useful in the preparation of cellular foam materials, particularly polyisocyanurate and polyurethane foams, and laminates thereof.

Abstract: Polyester resins are disclosed as the impregnant in the core sheets of heat and pressure consolidated laminates, especially decorative laminates having a core of a color complementing that of the decor sheet, and more especially those decorative laminates of unusual thickness.

Abstract: An unsaturated polyester, preferably having a stellate molecular structure, with a polyol center and monohydric alcohol connected to the polyol hydroxy moieties through a di- or tri- carboxylic acid link, as well as a process for its synthesis, and use of the compounds in air-drying lacquer binders.