Abstract: A thermosetting powder coating composition resistant to overspray incompatibility defects that comprises solid particulates of a uniform mixture of (a) a polyester resin having an average of two or more carboxyl groups, (b) a first crosslinker that is reactive toward the carboxyl groups of the polyester resin, (c) from 1% to 20% of a reactive acrylic copolymer having a weight average molecular weight of from 10,000 to 40,000, and (d) a second crosslinker that is reactive toward the reactive functionality of the acrylic copolymer is described.

Abstract: Resin compositions, comprising (A) a styrene/acrylic polymer and (B) a polyester dispersed therein with an average particle size of not more than 3 .mu., are obtained by quenching a mixture of (A) and (B) melted at 150.degree.-200.degree. C., below the glass transition temperature of the polymer (A) within 5 minutes, and are of good thermal shelf stability and electrical properties and provide toner binders of high hot offset causing temperature and improved low temperature fixing properties.

Abstract: A black masterbatch for polyester polymer consisting of:(a) 25-99.7% of polyester polymer by weight;(b) 0.1-20% of dispersive second polyester by weight and/or 0.1-15% EVA by weight; and(c) 0.1-40% of carbon black by weight;whereby the black masterbatch can be easily manufactured by a simple process without polluting the environment.

Abstract: Thermoplastic composition comprising at least 40% by weight and not more than 70% by weight of a crosslinked polymer phase obtained by blending at least one copolymer (a) of 96 to 55% by weight of ethylene, of 3 to 30% by weight of at least one alkyl or cycloalkyl acrylate or methacrylate in which the alkyl or cycloalkyl group contains from 1 to 10 carbon atoms, and of 1 to 15% by weight of at least one unsaturated epoxide, at least one copolymer (b) comprising from 84 to 55% of ethylene by weight, from 15 to 39% by weight of at least one alkyle or cycloalkyl acrylate or methacrylate in which the alkyl or cycloalkyl group contains from 1 to 10 carbon atoms, and from 1 to 6% by weight of at least one arthydride of an unsaturated dicarboxylic acid, and at least one compound (c) capable of accelerating the reaction between the epoxy functional group present in the copolymer (a) and the arthydride functional group present in the copolymer (b); with at least 30% by weight but not more than 60% by weight of at leas

Abstract: Spherical resin particles having a sharp particle size distribution and a method for producing such particles are disclosed. Resin particles according to this invention contain at least a polyester polymer and a polymer formed from a polymerizable monomer, and have an average diameter (D) of 1 to 500 .mu.m. At least 70% by weight of the particles have a diameter in the range of 0.5 D to 2.0 D. Such resin particles can be produced by swelling polyester-containing seed particles with a polymerizable monomer and then polymerizing the polymerizable monomer in swelled seed particles.

Abstract: A curable resin composition utilizing as the crosslinking mechanism thereof an acid catalyzed addition reaction of a cyclic alkylenecarbonate group with an alcoholic hydroxyl group is disclosed. The composition contains a compound or polymer having a plurality of 6-membered cyclic alkylenecarbonate groups and a polymer having a plurality of alcoholic hydroxyl groups. A polymer having pluralities of the cyclic alkylenecarbonate and hydroxyl groups in a single entity may also be used. The composition cures at room or elevated temperatures depending upon the acidity and amount of particular acid catalyst incorporated to the composition.

Abstract: This invention provides curable coating compositions which contain acetoacetylated polymers and carbamylmethylaminotriazine crosslinking agents. Active hydrogen containing materials and cure catalysts can, optionally, be added to the curable compositions made in accordance with this invention. The invention further provides articles of manufacture having at least one substrate coated with a curable composition which contains acetoacetylated polymers and triazine crosslinking agents.

Abstract: A thermoplastic elastomer composition which is excellent in balance of properties such as mechanical properties and thermal properties and in appearance is prepared by melt-kneading (A) 20-58 parts by weight of a saturated polyester resin and (B) 42-80 parts by weight of an epoxy group-containing ethylene copolymer and then melt-kneading 100 parts by weight of the resulting composition with (C) 0.01-20 parts by weight of a polyfunctional compound containing in one molecule at least two functional groups selected from an amino group, a carboxylic acid anhydride group, a hydroxyl group and a ##STR1## wherein both X and Y are oxygen atoms or sulfur atoms, or either X or Y is an oxygen atom and another is a sulfur atom, or (D) 0.

Abstract: A copolymer of a TMI/amino compound 1:1 monoadduct with ethylenically unsaturated comonomers is provided, as well as a process for producing the same. Such copolymers in and of themselves may find use as aminoplast crosslinking agents, or can readily be modified thereto. Curable compositions can be formulated from the crosslinker alone or in combination with polyfunctional active hydrogen compounds, which can be cured to produce crosslinked films and objects.

Abstract: A powdered thermosetting composition comprising as binder a mixture of a linear carboxyl group-containing polyester and a glycidyl group-containing acrylic copolymer is described. The polyester has an acid number of 20 to 50 mg KOH/g and the acrylic copolymer is obtained from 5% to 30% by weight of glycidyl acrylate or glycidyl methacrylate and 70% to 95% by weight of methyl methacrylate, whereby up to 25% by weight of the methyl methacrylate can be replaced by another vinyl monomer, said acrylic copolymer having a number-average molecular weight (Mn) of from about 4,000 to about 10,000. This composition is particularly useful for the preparation of powdered paints and varnishes which can be applied with an electrostatic spray gun and cured at a temperature of from about 160.degree. to 210.degree. C. to produce matte finishes of excellent quality.

Abstract: Compositions comprising polyalkylene terephthalate, polyethylene and a compatibilizer copolymer of a C.sub.2 -C.sub.10 alpha-olefin and a glycidyl or isocyanate group-containing functional compound, wherein the functional compound comprises about 0.4 to about 50 weight percent of the compatibilizer copolymer, provide improved impact properties and heat resistance. The compositions feature improved compatibility of polyalkylene terephthalate and polyethylene, and are useful in forming a wide variety of articles therefrom.

Abstract: Thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating, a specific vinyl ether or vinyl thioether and a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule. The thermosetting composition gives cured products having excellent chemical properties, physical properties, weathering resistance and storage stability and is advantageously utilized for coating compositions, ink, adhesive and molded plastics.

Abstract: Clear and pigmented powder paint coatings are based on a thermosetting polymeric binder comprising low molecular weight, carboxylic acid functional, crystalline polyester and a coreactive glycidyl functional addition copolymer, preferably and glycidyl functional acrylic copolymer.

Abstract: Molding compositions of thermoplastic polyesters and polymeric nucleating additives having pendant ionizable alkali metal phenolate groups. A process for increasing the crystallization rate and crystallization temperature of thermoplastic polyesters by incorporating into the polyesters the polymeric nucleating additives of the present invention.

Abstract: There is disclosed a resin composition for powder coatings, which comprises a blend of two acrylic resins obtained by polymerizing a prescribed amount of monomer component (a-1) represented by formula (I) and a prescribed amount of another monomer component (a-2), respectively, and having different polymerization degrees represented by viscosities at 140.degree. C. and a polybasic acid compound in 1.5 to 0.5 equivalent ratio of the glycidyl groups in said acrylic resins to the acid groups in the polybasic acid compound. ##STR1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a lower alkyl group. The resin composition for powder coatings that can form a coating film having a mat smooth appearance and being excellent in flexibility as shown by Du Pont impact resistance and the Ericksen test as well as being excellent in nail scratch resistance.

Abstract: Thermoplastic composition comprising at least 60% by weight of a saturated polyester and not more than 40% by weight of at least one polymeric reinforcement.

Abstract: Acryl modified polyester resins are prepared by a process which comprises reacting an acid mixture with an alcohol mixture to form hydroxyl polyester prepolymers, solution polymerizing acryl monomers with acidic acryl monomers having carboxyl groups to form acryl resins, and reacting said hydroxyl polyester prepolymers with said acryl resins and polycarboxylic acids having at least two carboxyl groups.A powder coating composition is composed of inorganic pigment or organic pigment, a flowing agent, a curing agent, a curing accelerator, other stabilizers and the acryl modified polyester resins prepared according to the above process.

Abstract: A thermoplastic elastomer composition which is useful for bumper, boot, sound absorbing gear, sports shoes etc. is provided by mixing the following (A)-(D).A: 30-58 parts by wt of saturated polyester resin,B: 42-70 parts by wt of an epoxy group-containing ethylene copolymer ofa) 50-99% by wt of ethylene unit,b) 0.1-30% by wt of unsaturated carboxylic acid glycidyl ester unit or unsaturated glycidyl ether unit andc) 0-49% by wt of ethylenically unsaturated ester unitC: 0.01-20 parts by wt of specific polyfunctional compound containing two or more functional groups, andD: 1-30 parts by wt of block copolyether ester elastomer.The amounts of C and D are based on 100 parts of A and B.

Abstract: A connector comprising a housing comprising a resin composition comprising (A) from 30 to 90% by weight of an aromatic polyester, (B) from 5 to 40% by weight of a modified polyolefin, and (C) from 5 to 30% by weight of a polyglutarimide having a repeating unit represented by the following formula (1): ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom or a lower alkyl group, and R.sup.3 represents a hydrogen atom, an alkyl group, an aryl group, an alkaryl group, or an aralkyl group.

Abstract: A poly(ethylene 2,6-naphthalate) film obtained by stretching a poly(ethylene 2,6-naphthalate) sheet containing cross-linked polymer particles which have at least one ethylene glycol unit and have an average particle size of from 0.05 to 3 .mu.m and a spherical ratio of from 1.0 to 1.1, wherein a deformation ratio of the cross-linked polymer particles in the stretching is from 1.2 to 3.0, has excellent runnability, abrasive resistance and strength.

Abstract: The present invention provides a biaxially oriented polyester film made of a polyester containing 0.01 to 5% by weight of crosslinked polymer particles characterized by:(1) having a particle size distribution ratio (.gamma.) of 1.3 to 3.5,(2) having an average particle diameter of 0.1 to 2 .mu.m,(3) having a non-circularity of 3.4 or more, and(4) having a standard deviation of noncircularity, of at least 0.16.The polyester film of the present invention has a flat surface having a small number of large protuberances, excellent running property and excellent winding property, and can be produced economically. The film has excellent properties for use as a base for various magnetic recording media.

Abstract: A molding resin composition comprises 70 to 99.5 wt. % of a mixture A comprising (a) 5 to 95 wt. % of a polyamide and (b) 95 to 5 wt. % of a thermoplastic polyester and 0.5 to 30 wt. % of a copolymer B obtained from (c) 80 to 98 wt. % of an aromatic vinyl compound, (d) 19 to 1 wt. % of alpha, beta-unsaturated carboxylic acid compound and (e) 19 to 1 wt. % of an unsaturated epoxy compound. It may further comprise (f) 50 to 10 wt. % of glass fiber.

Abstract: A thermoplastic elastomer composition which is excellent in balance of properties such as mechanical properties and thermal properties and in appearance is prepared by melt-kneading (A) 20-58 parts by weight of a saturated polyester resin and (B) 42-80 parts by weight of an epoxy group-containing ethylene copolymer and then melt-kneading 100 parts by weight of the resulting composition with (C) 0.01-20 parts by weight of a polyfunctional compound containing in one molecule at least two functional groups selected from an amino group, a carboxylic acid anhydride group, a hydroxyl group and a ##STR1## group wherein both X and Y are oxygen atoms or sulfur atoms, or either X or Y is an oxygen atom and another is a sulfur atom, or (D) 0.

Abstract: A polymer blend of a polyglutarimide and liquid crystalline copolyester polymer or benzimidazole polymer. The blend is a melt-compoundable polymer blend.

Abstract: Stable, non-gelled, one-package coating compositions capable of being cured at ambient conditions to produce durable coatings comprising at least one polymer and/or oligomer having a molecular weight of at least about 100 and bearing at least two specific aziridine moieties, at least two specific carbodiimide moieties or combinations thereof and at least one polymer and/or oligomer having a molecular weight of at least about 100 and bearing at least two covalently blocked carboxylic acid moieties. Process for coating a substrate using such compositions are also claimed.

Abstract: The present invention provides a resin composition enhanced in melt tension and remarkably improved in blow moldability without a parison being drawing down during blow molding, while being freed from the tendency to gelation at high viscosity, maintaining stable flowability and capable of effectively producing a blow molded article of comparatively large size having uniform thickness and excellent appearance.A resin composition for blow molding prepared by compounding 100 parts by weight of a resin component composed of:(A) 1 to 99 parts by weight of a thermoplastic polyester resin mainly comprising an aromatic dicarboxylic acid or the ester forming derivative thereof and an aliphatic dihydroxy compound having 2 to 8 carbon atoms and(B) 99 to 1 parts by weight of a thermoplastic polyamide resin with(C) 0.2 to 10 parts by weight of a styrenic copolymer comprising 40 to 97% by weight of styrene, 60 to 3% by weight of a glycidyl ester of an .alpha.,.beta.

Abstract: Thermosetting composition is excellent in storage stability, useful as one component thermosetting composition, gives cured products having excellent chemical properties, physical properties and weathering resistance and is favorably utilized in coating compositions, ink, adhesive and molded plastics.The thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating and optionally a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule.

Abstract: A polymeric powder coating composition which comprises: (a) polymeric powder coating resin and (b) at least one low molecular weight copolymer salt having a degree of saponification neutralization upto 100%. The powder coating composition may be applied to articles using conventional techniques.Processes for producing the polymeric powder coating compostiions, and articles comprising the same are also disclosed.

Abstract: A thermosetting powder coating composition containing a solid saturated thermosetting polyester having an acid value of at least 25 and a glass transition temperature (Tg) of at least 45.degree. C. and a curing agent such as a hydroxyalkyl amide capable of reacting with carboxylic acid groups of the polyester additionally contains, as an anti-popping agent, a thermoplastic polymer which i) is solid, ii) has a Tg of 30.degree.-100.degree. C., iii) comprises, at least mainly, units derived from at least one alkyl acrylate or alkacrylate and iv) has an acid value of no more than 10.

Abstract: Thermoplastic molding compositions comprised of polybutylene terephthalate resin and a copolymer of a vinyl aromatic monomer and methacrylic acid are described. The compositions have unexpectedly enhanced heat and solvent resistance.

Abstract: A resin composition for powder coatings that comprises a composition (A) and a blocked polyisocyanate compound (B), the composition (A) being based on both a carboxyl group containing polyester resin having a hydroxyl value of 10 to 100 and a softening point of 50.degree. to 150.degree. C. and a glycidyl group containing acrylic resin having a hydroxyl value of 30 to 150 and a softening point of 50.degree. to 150.degree. C., and further containing a copolymer prepared by reaction between said polyester and acrylic resins. This resin composition is capable of providing an ideal paint film that possesses the features of a paint film prepared from polyester resins (high degrees of smoothness, gloss and strength) and those of a paint film prepared from acrylic resins (high levels of hardness, stain resistance and weatherability).

Abstract: A curable resin composition containing (a) a polymer having a plurality of alkenyl groups, (b) an organohydrogenpolysiloxane having a plurality of hydrosilyl groups, (c) a polymer having a plurality of alkynyl groups, and (d) a hydrosilylation catalyst is disclosed. The composition is stable at room temperature but curable at an elevated temperature.

Abstract: A toner for electrophotography obtained by melting and kneading a kneaded material prepared by melting and kneading a domain resin and a coloring agent, a matrix resin having a low compatibility with the domain resin, and a dispersion assistant having a compatibility with both of the domain resin and matrix resin and a Izod impact value higher than the matrix resin to obtain a colored composition, followed by pulverizing and classifying the colored composition.

Abstract: A process for making a composite article having improved mechanical properties such as fatigue life, which process comprises contacting at least one continuous filament with a mixture comprising a resin and a strain relieving polymer.

Abstract: Disclosed are polymer mixtures comprising a polybutylene terephthalate ester and a rubber-modified styrene-maleic anhydride copolymer. The polymer mixtures are suitable for the manufacture of films which can be readily bonded to polystyrene substrates.

Abstract: Melt strengths and melt viscosities of aromatic polyesters are increased substantially by the addition of small amounts of certain high molecular weight vinyl aromatic modifiers which disperse very readily in aromatic polyesters.

Abstract: A polyester packaging material having a layer formed from a polyester composition as a content contacting layer, wherein the polyester composition comprises 70-95 parts by weight of a polyethylene terephthalate copolymer and 5-30 parts by weight of an ethylene copolymer ionomer. The polyethylene terephthalate copolymer is derived from terephthalic acid (and isophthalic acid, if desired), ethylene glycol and cyclohexanedimethanol (a molar ratio of the ethylene glycol to the cyclohexanedimethanol being within the range of 95/5 to 75/25), and the polyethylene terephthalate copolymer has an endothermic peak of 180.degree. to 240.degree. C. as measured by a differential scanning calorimeter after heated at 130.degree. C. for 5 hours in nitrogen and has an endotherm of 10 to 40 Joule/g at the endothermic peak.

Abstract: Compositions are provided which comprise a polyester resin which comprises the reaction product of at least one straight chain, branched, or cycloaliphatic C.sub.2 -C.sub.10 alkane diol or chemical equivalent thereof; and a cycloaliphatic diacid or chemical equivalent thereof; and a poly(ether ester) elastomer, a poly(etherimide ester) elastomer, a copolymer elastomer comprising (ether ester) monomers and (etherimide ester) monomers, a copolymer comprising ethylene and one or more comonomers copolymerizable therewith to provide a solid copolymer, or a combination of any of the foregoing. These compositions have excellent tensile properties.

Abstract: Thermoplastic elastomer compositions comprise a blend of polyester resin and a covalently-crosslinked acrylate rubber. Such compositions can be prepared by dynamic vulcanization of the rubber in admixture with the polyester and can exhibit high temperature dimensional stability and low oil swell.

Abstract: This invention relates to a process for preparing aqueous blends of sulfo-polyesters and solid acrylic resins without volatile organic compounds (VOC's) and surfactants. More specifically, the acrylic resins are characterized by an inverse relationship between the molecular weight and acid number of the resin, and the sulfo-polyesters contain at least 12 mole percent of a difunctional sulfomonomer. The aqueous sulfo-polyester/acrylic resin blends of the present invention are useful in inks, overprint varnishes, primers, paints, and coatings.

Abstract: A thermoplastic resin composition comprising100 parts by weight of a resin mixture comprising(A) 5-95% by weight of polyolefin and(B) 95-5% by weight of polyester and/or polyamide, and(C) 1-20 parts by weight of chlorinated polyethylene incorporated into the resin mixture.

Abstract: Intimate blends of macrocyclic oligomer compositions, such as cyclic polycarbonate or poly(alkylene dicarboxylate) oligomer mixtures, are blended with linear polymers, especially addition polymers. The blends flow easily and are frequently homogeneous. The macrocyclic oligomers therein may be polymerized to produce resin blends having advantageous properties.

Abstract: The present invention relates to coating compositions in pulverulent form which are solid below 30.degree. C. and liquid above 150.degree. C. and containA) 10 to 99 parts by weight of a copolymer component containing at least one copolymer which is prepared from olefinically unsaturated compounds, has a weight average molecular weight of 1500 to 75,000 and contains in chemically bound form(i) 1 to 30% by weight of cyclic carboxylic acid anhydride groups (calculated as C.sub.4 H.sub.2 O.sub.3) and(ii) 0.3 to 10% by weight of epoxide groups (calculated as C.sub.2 H.sub.3 O), andB) 1 to 90 parts by weight of a polyol component containing at least one organic polyol having at least two hydroxyl groups per molecule,provided that for every anhydride group of component A) there are 0.1 to 10 hydroxyl groups of component B).

Abstract: Toughened semi-crystalline thermoplastic polyester molding compositions consisting essentially of a polyester resin and an ionomer of ethylene, a softening comonomer and unsaturated carboxylic acid, such as ethylene/n-butyl acrylate/methacrylic acid.

Abstract: There is disclosed a blend of certain polyesters and polymers that are miscible with polystyrene, such as polyphenylene oxide. The blend is characterized by the presence of a compatibilizing amount of a copolymer having repeating units derived from an aromatic vinyl compound monomer and a vinylphenol monomer. The polyester is thermoplastic and is characterized in that the diacid component of the polyester includes aromatic groups and the diol component comprises at least about 20 percent by weight of a noncyclic, aliphatic diol.

Abstract: Compatibilizing agents suitable for blending otherwise immiscible polymers comprise a block or graft copolymer in which at least one of the block segments is formed by a living anionic polymerization and thereafter chemically converted to provide a polymer having at least one functional end group. The functional groups of the polymer blocks thus formed are reacted with a functionalized monomer, or an oligomer to provide a second block polymer segment. Compatibilizing agents containing more than two blocks may be formed in similar fashion. The compatibilizing agents are used to provide uniform blends of polar and non-polar polymers having superior uniformity and other physical properties.

Abstract: The present invention relates to polymer compositions which are useful particularly as flow aids in coating resin formulations. In one embodiment, the polymer composition is prepared by reacting (A) at least one acrylic ester, vinyl monomer or mixtures thereof, provided the acrylic ester is not a hydroxyalkyl acrylate, (B) at least one monoester of an alpha-beta unsaturated dicarboxylic acid, and (C) at least one hydroxy-containing compound selected from hydroxyalkyl acrylates and compounds characterized by the formulaHOR*SH (IIIA)wherein R* is a hydrocarbylene group containing from 2 to about 10 carbon atoms, or mixtures thereof.

Abstract: The invention relates to a block copolymer according to the general formula A-b-B on the basis of a furan derivative as binding group (b) and the process for the preparation hereof. The furan derivative as binding group (b) is a compound according to formula (I). ##STR1## The block copolymer can simply be prepared in one single reactor and is suitable for use as compatibilizer.

Abstract: This invention relates to an injection molding composition having a melt viscosity lower than about 2000 poise at 1500/sec. shear rate at a temperature of about 275.degree. C., and an excellent stiffness of at least 200,000 psi, comprising:from about 10 to about 90% of a polyester comprising repeat units from terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol, andfrom about 10 to about 90% styrene copolymer comprising repeat units from about 5 to about 35 mole percent of methyl methacrylate.

Abstract: Thermoplastic compositions comprising:(a) from 55 to 85% by weight of at least one aromatic polyester;(b) from 10 to 40% by weight of at least one elastomeric copolymer constituted by 45-90 mol % of ethylene, 5-50 mol % of an alkyl acrylate or alkyl methacrylate, in which the alkyl moiety contains from 1 to 8 carbon atoms, 0.3-5 mol % of an unsaturated epoxide;(c) from 0.5 to 5% by weight of at least one elastomeric copolymer constituted by 45-90 mol % of ethylene, 5-50 mol % of an alkyl acrylate or alkyl methacrylate, in which the alkyl moiety contains from 1 to 8 carbon atoms, 0.1-5 mol % of monomeric units functionalized with amido-aminic and/or imido-aminic moieties;with the total of the percentages of components (a), (b) and (c) equating 100.