Abstract: Fiber-reinforced thermosetting polyester composites containing in excess of 30 wt %, based on the weight of the composite, reinforcing fiber, are made by a vacuum-assisted transfer molding technique from a 1-phase composite matrix precursor comprising a polyester, a reactive monomer, and a low-profile additive. The polyester has a molecular weight/double bond factor of between about 150 and 190, styrene is a preferred reactive monomer, and a preferred low-profile additive is a thermoplastic polymer with a weight average molecular weight in excess of 3,000 and which is miscible in the polyester and reactive monomer. The polyester composite is formed by coating the surface of a mold with a gel coat; applying a skin laminate over the partially cured gel coat; applying a fiber reinforcement to the skin laminate; closing the mold; and injecting the 1-phase matrix precursor while the mold is under vacuum.

Abstract: The present invention is a molding compound comprising an unsaturated polyester resin, a filler, a reinforcement material, a crosslinking monomer, a catalyst, and a mold release agent. The compound also may include a thickener and a low profile thermoplastic additive. The mold release agent is a liquid at room temperature and is selected from the group consisting of tertiary alkyl primary amine carboxylates. The present invention further includes a method of manufacturing a molded plastic component using said molding compound.

Abstract: This invention is the addition of an aldimine to enhance the ability of thermoplastic low profile additives to improve the surface quality of cured sheet molding compound vehicle parts.

Abstract: A polyester resin aqueous dispersion which provides a coating film having excellent processability, water resistance, corrosion resistance, chemical resistance, weather resistance and adhesion to various substrates, and which also has markedly excellent storage stability even at a high solids concentration. The polyester resin aqueous dispersion substantially comprises a specific polyester resin, a basic compound, an amphipathic organic solvent capable of plasticizing the polyester resin, and a compound having a protective colloid action. Furthermore, fine particles of the polyester resin are homogeneously dispersed in an aqueous medium and in a specific dispersed state.

Abstract: A process for producing a flame retardant thermoplastic resin composition which has an excellent flame retardancy while maintaining sufficiently high levels of mechanical properties including tensile property, flexural property and impact resistance which process comprises the following first step and second step:the first step: the step of melt-kneading the following components (A) and (B) to obtain a melt-kneaded composition (AB),the second step: the step of melt-kneading the melt-kneaded composition (AB) and the following component (C) to obtain the flame retardant thermoplastic polyester resin composition:component (A): an impact resistance improver,component (B): a flame retarder,component (C): a thermoplastic polyester resin.

Abstract: There is provided coated substrate where a filled flowable polyester composition is cured in contact with and bonded to the substrate. The composition contains 20 to 40% resin and in excess of 50% filler, the balance being welling agent, air release agent and catalyst.

Abstract: An unsaturated polyester resin composition which comprises 100 parts by weight of a resin mixture comprising 25 to 80 parts by weight of an unsaturated polyester, 20 to 60 parts by weight of a comonomer and 1 to 10 parts by weight of a particulate crosslinked polymer and 100 to 400 parts by weight of an inorganic filler and in which the difference in refractive index between a product of copolymerization of the unsaturated polyester with the comonomer and the inorganic filler is 0.02 or below; and molded articles produced by curing the resin composition by heating under pressure. The resin composition has a high productivity, exhibits a texture excellent in both light transmittance and gloss, and is excellent in water resistance and which is suitable for the production of artificial marble.

Abstract: An improved process for making polyetherester resins is disclosed. The process comprises reacting a polyether with a diol diester in the presence of a catalyst that promotes random insertion of the diester into carbon-oxygen bonds of the polyether to produce the polyetherester resin. The process of the invention offers many advantages, including higher resin yields, reduced by-product generation, and the ability to make resins with low color and low acid numbers. The resins are useful for making polyetherester thermosets.

Abstract: This invention involves a method of optically whitening clay minerals to transform their natural yellow tint to increased whiteness. Generally, it has been found that clay materials having low cation exchange capability can be directly reacted with very small amounts of cationic dyes, the apparent whiteness of said clay minerals being substantially increased thereby.

Abstract: Paint formulations comprising at least one long oil alkyd resin and a solvent comprising one or more linear alkanes having a boiling range between 160.degree. and 250.degree. C., preferably between 170.degree. and 200.degree. C.

Abstract: The heat-resistant unsaturated polyester resin composition of the present invention consists essentially of (a.sub.1) an unsaturated polyester which is obtained by the reaction of (.alpha..sub.1) a polybasic acid component containing at least an ethylenic unsaturated polybasic acid with (.alpha..sub.2) a polyhydric alcohol component, and (a.sub.2) a diluent monomer component for the unsaturated polyester, wherein the polyhydric alcohol component (.alpha..sub.2) contains 2-methyl-1,3-propanediol and 1,4-cyclohexanedimethanol in the total amount of 50 mol % or more, and 2-methyl-1,3-propanediol and 1,4-cyclohexanedimethanol are in the molar ratio of 9:1 to 5:5. The fiber-reinforced composite material of the present invention comprises the above resin composition and reinforcing fibers. The molded article manufactured using this composite material exhibits excellent strength and rigidity even under high temperatures of over 200.degree. C.

Abstract: This invention involves a method of optically whitening clay minerals to transform their natural yellow tint to increased whiteness. Generally, it has been found that clay materials having low cation exchange capability can be directly reacted with very small amounts of cationic dyes, the apparent whiteness of said clay minerals being substantially increased thereby.

Abstract: Hot melt adhesive compositions, particularly biodegradable hot melt adhesives are prepared from 10 to 90% by weight of a thermoplastic methylol polyester prepared from the reaction of at least one dicarboxylic acid with a diglycidyl ether, a diglycidyl ester or a combination thereof; 0 to 90% by weight of a compatible tackifier; 0 to 80% by weight of a compatible plasticizer; 0 to 50% by weight of a compatible wax diluent and 0 to 3% by weight of a stabilizer.

Abstract: The use of cyclamic acid as a catalyst for the curing of hydroxyl-functional resins having a functionality greater than 2 provides a wrinkle finish. The hydroxy-function may be present in polyesters, epoxies, and acrylate or methacrylate resins, among others. The polyester resins which are able to provide such a finish have a hot plate melt flow of from about 20 mm to about 150 mm.

Abstract: Disclosed is an intaglio ink comprising a varnish comprising an alkyd-modified soybean oil and method for producing same. Preferably, the alkyd-modified soybean oil is made by combining soybean oil, pentaerythritol and trimellitic anhydride at elevated temperature. The varnish may further comprise a thermoplastic phenolic resin. Methods of making the alkyd modified soybean oil, thermoplastic phenolic resin, the varnish and the ink are also disclosed.

Abstract: A process for the preparation of pigmented toner compositions comprising: a) forming at a first temperature, a first melt mixture comprised of a partially crosslinked thermoplastic resin, pigment, optionally a wax, and optional additives, wherein the partially crosslinked thermoplastic resin is comprised of a mixture of crosslinked resin macrogel particles, crosslinked resin microgel particles, and uncrosslinked resin; and b) melt mixing at a second temperature, the first melt mixture to form a second mixture, wherein the macrogel particles are partially converted into microgel particles, and wherein the second temperature is less than or equal to the first temperature.

Abstract: Novel, non-aqueous dispersions and coatings made therefrom particularly suited for use as automotive primers, sealers, topcoats and as industrial coatings.

Abstract: A radically curable coating composition containing) 50 to 95 parts by weight of an unsaturated polyester component having a viscosity at 23.degree. C. of 1,000 to 15,000 mPa.s, B) 5 to 50 parts by weight of compounds containing (meth)acryloyl groups and/or vinyl ether groups, C) 0.01 to 0.3 wt. %, based on the total weight, of waxes and/or paraffins having a melting point of 35+ to 100.degree. C. and D) 0 to 10 wt. %, based on the total weight, of at least one plasticizer or carbamic acid resin, and the use of the coating composition for coating substrates, in particular wood substrates.

Abstract: The polymeric pigment dispersants of this invention are polyester/acrylic comb polymers which are the reaction product of 20-85% of a carboxylic functional polyester copolymer, 10-50% of an oxirane substituted acrylic copolymer, and 2 to 20% of an imide compound. These materials disperse a wide variety of pigments and are useful in solvent borne coatings where they can provide improved efficiency of pigment use, lower paint viscosity, and reduced emission of volatile organic solvent.

Abstract: A binder composition suitable for coating agents is described, that contains one or more unsaturated polyesters with an acid number of 5-60 mg KOH/g, a hydroxyl number of 50-200 mg KOH/g and a weight-average molecular weight (Mw) of 500-3000 g/mol, that are obtainable by reaction ofA) one or more alpha,beta-ethylenically unsaturated dicarboxylic acids or their anhydrides,B) one or more hydroxy-functional allyl ethers andC) one or more ethylenically unsaturated compounds with an oxirane group in the molecule,in the molar ratio of A):B):C)=(2 to 4):(2 to 4):(0.5 to 1.8). The composition is suitable in particular for filling putties and filling compounds that dry rapidly, even at low temperatures.

Abstract: A one step process for the preparation of toner compositions which comprises adding to an extruder a base resin, initiator, pigment, and optional charge enhancing additive; effecting crosslinking of the base resin in the extruder to provide a toner comprising a pigment, optional charge additive and crosslinked resin comprising linear portions and crosslinked portions; and wherein said crosslinked portions are comprised of densely crosslinked microgel particles.

Abstract: A bio-injectable drug composition which provides long term drug release. The drug composition is made up of a pharmaceutically active agent in a biodegradable polymer matrix, where the polymer matrix is a solid at temperatures in the range 20.degree. to 37.degree. C. and is flowable at temperatures in the range 38.degree. to 52.degree. C.

Abstract: This invention relates to a stable, low level styrene emission vinyl ester or unsaturated polyester resin composition containing a nonionic surfactant or a copolymer of maleic acid half ester of a polyethylene glycol and a monoalkenyl aromatic monomer as stabilizing agents.

Abstract: An electron radiation curing type adhesive which is excellent for adhesion between a polyester film and a metal material, and which is excellent in retort resistance or the like where the adhesive is used for food cans. There is also disclosed a metal plate laminated with a polyester film. The electron radiation curing type adhesive is composed of a resin composition in which 2 to 200 weight part of polyester group oligomer having unsaturated double-bonds, with respect to 100 weight parts of polyester resin, has added thereto 0.5 to 250 PHR of a stress relaxation agent. The polyester film and a metal plate are laminated with each other by means of the above-mentioned adhesive, and then the film and the metal plate are bonded together by heating and curing the adhesive by irradiation using electron radiation.

Abstract: Ophthalmic lens compositions comprising a cured polymer mixture of (A) an unsaturated polyester resin composition, (B) a monomer of the formula ##STR1## (C) an optional vinyl, acrylate monomer, or other monomer or mixtures thereof, and (D) a free radical generating catalyst system. Such a curable plastic material can form ophthalmic lenses of superior properties including high index of refraction which reduces the amount of material required for corrections.

Abstract: Polyesters are prepared by a new ester-insertion reaction of a polyether and a cyclic anhydride in the presence of a Lewis acid catalyst. The process is advantageously used to convert polyether polyols recovered from polyurethanes into curable unsaturated polyester resins.

Abstract: A coating composition for use in a hydrophilic treatment comprising (A) an organic-inorganic composite reaction product prepared by a process which comprises reacting 100 parts by weight, as the solid content, of (i) a water-dispersible silica with 0.

Abstract: This disclosure addresses resin systems which contain thermosetting materials and thermoplastic modifiers, the resin systems being formed by dispersing particles of thermoplastic solids in the thermosetting materials, the particles being soluble in the resins at temperatures below the resin system gelation temperature. According to this disclosure, the systems are improved by the use of a blend of two types of thermoplastic material--a high glass transition temperature thermoplastic such as a poly(benzophenone-imide) and a high toughness thermoplastic such as a poly(ether-imide). By appropriate adjustment of the relative amounts of these two thermoplastics, resin system properties such as toughness, service temperature, thermal stability and solvent resistance can be adjusted to optimum levels.

Abstract: Unsaturated polyester resins of the type already having reactive liquid polymers reacted into the backbone of the resins, are cured in the presence of a reactive liquid polymer additive admixed with the prereacted unsaturated polyester resin. Heating of this system during cure causes the reactive liquid polymer additive to miscibilize with the unsaturated polyester resin. The unsaturated polyester resin modified in the manner described above shows a significant enhancement in toughness as measured by fracture energy over unmodified counterparts or counterparts modified by known methods of adduction or admixing alone.

Abstract: A sheet molding composition is disclosed which includes a four component resinous system which comprises (a) an unsaturated polyester comprising a polycondensation product of one or more dihydric alcohols and one or more ethylenically unsaturated polycarboxylic acids; (b) one or more low-profile additives which are thermoplastic polymers which cause phase separation and porosity during the curing reaction; (c) one or more olefinically unsaturated monomers which copolymerize with the unsaturated polyester; and, (d) one or more compatible components comprising at least one compound containing one or more ether substituents. The compatible component is compatible with the reacted unsaturated polyester and monomer during cure and imparts improved surface characteristics when added to low-profile resin systems.

Abstract: A polymeric bead has now been developed to act as a support for other entities having a volume mean diameter of up to 250 microns and having a surface provided with pores which form at least 10% by area of the surface. At least one third of the total area of the pores is provided by pores having a larger size of at least 0.4 micron. A method for the manufacture of such polymeric beads involves using a water-in-oil-in-water emulsion technique in which the amount of water used in the preparation of the aqueous phase is not greater than 125 parts by weight per 265 parts by weight of the mixture of the polyester resin and monomer which is used.The porous beads provide an excellent base for carrying enzymes, bacteria and catalysts species useful in a wide range of applications.

Abstract: Thermosetting resins for use in high performance fiber-reinforced composites are toughened without compromising their processability by the inclusion of micron-sized particles of thermoplastic material which are solid at ambient temperatures but solubilize in the resins at a temperature below the gel temperature of the thermosetting resin. By appropriate selection of the solubilization temperature (or temperature range) of the thermoplastic material, one achieves a composite product having intralaminar or interlaminar toughness emphasized or a combination of both. The invention is of particular utility when applied to bismaleimide resin systems.

Abstract: Disclosed is a concrete non-cure material for preventing the surface of cement mortar, which maintains contact with said material, from setting or hardening. This invention also discloses a concrete product or concrete structure with surface decorations produced by affixing the concrete non-cure material to the surface of the decorative material or to the inner surface of a form for a concrete molding and production methods therefor.

Abstract: Molding compositions based on unsaturated polyester (UP) resins and containing natural fibers are prepared from which molded parts can be produced by hot pressing. The molded parts have a residual styrene content <0.1 wt. %. The UP resins are comprised of a customary UP and a mixture of styrene and di(meth)acrylic acid ester(s).

Abstract: A sublimation dispersion dye receptive resin composition which comprises a polyester resin, a cross- linking agent obtained by curing by activating energy, and a releasing agent which can effect the cross-linked construction of at least one selected from the group of silicon functional groups and functional groups containing fluorine. This resin composition is especially applicable to image-receiving paper or image-receiving film for sublimation-type thermal dye transfer methods; it has superior anti-blocking and heat-resistant characteristics. Furthermore, by means of the addition of benzotriazol ultraviolet stabilizer or hindered amine photostabilizer, the fading characteristics are improved.

Abstract: The invention relates to novel suppressants for unsaturated polyester styrenated resins resulting in lower emission of volatile compounds in the production of the polyester resins.

Abstract: The clear coating composition includes (a) an acrylic resin having a number-average molecular weight of 2500-10000 and a hydroxyl number of 70-120, and containing 20-40 parts by weight of styrene and/or its derivative, based on 100 parts by weight of acrylic resin-constituting monomers (solid basis); (b) a polyester resin having a number-average molecular weight of 350-1500 and a hydroxyl number of 150-300; (c) a mixture of (i) an alkyl ether-substituted melamine resin containing 5 or more alkyl ether groups per each triazine ring; and (ii) a melamine resin containing 1.1-3 imino groups per each triazine ring, a weight ratio of the component (i) to the component (ii) being 8/2-5/5; (d) an acid catalyst blocked with an amine having a boiling point of 150.degree.-280.degree. C.; and (e) a blocked isocyanate, weight ratios of the components being (a)/(b)=100/0-60/40; and (c)/(e)=100/0-33/67.

Abstract: A molded article such as a bathroom sink having improved thermal shock resistance is produced by molding the article from a composite unsaturated polyester resin in which the resin in the cured state has an HDT value in the range of about 68.degree. C.-78.degree. C.

Abstract: A method for producing synthetic shaped articles simulating marble, granite or the like is provided by the present invention. A thermosetting resin is subjected to first reaction conditions effective to partially polymerize the resin to form a semi-solid mass. The partially polymerized semi-solid mass of resin is comminuted to form a plurality of discrete partially polymerized resin particles. An article of the desired shape is formed from a mass of the partially polymerized resin particles. The thus formed shaped article is then subjected to second chemical reaction conditions effective to polymerize the resin to provide a synthetic shaped article simulating marble, granite and the like.

Abstract: An air-drying paint composition comprising (a) internally cross-linked polymer microparticles produced by emulsion polymerizing ethylenically unsaturated monomers including at least one cross-linking monomer, (b) a film-forming resin selected from the group consisting of an air-drying alkyd resin, an acrylic polymer and an acrylic-modified alkyd resin, and (c) a volatile organic solvent. The paint may be formulated in high solids content while retaining low viscosity.

Abstract: A reaction curable resin composition comprising a curable component, a polymerization initiator for curing the curable component, an inorganic filler and a phosphoric acid ester of methacrylic or acrylic acid having the formula: ##STR1## wherein R is H or CH.sub.3, and n is 1 or 2, wherein the curable component comprises at least one monomer (A-1) selected from the group consisting of a polyfunctional allylcarbonate, an unsaturated polyester and (meth)acrylate, and/or a precondensate (A-2) obtained by partially polymerizing such monomer (A-1).

Abstract: A reactive composition for preparing synthetic resin bodies used in destructible multible-chamber cartridges and a process for anchoring a fastening element to the fastening base by introducing the destruction multiple-chamber cartridges containing the components of a curable adhesive in a drilling in the fastening base. When the fastening element is driven into the hole, the cartridge is destroyed, the synthetic resin components are mixed and harden forming a synthetic resin body. The reactive compound contains between 18 and 25 parts by weight of a pre-activated resin component composed of (A) between 3 and 60 parts by weight of a vinylester epoxy resin, (B) between 28 and 45 parts by weight of one or several ethylenically unsaturated monomeric compounds and (C) between 63 and 3 parts by weight of an unsaturated polyester and if necessary (D) between 10 and 0.1 part by weight of epoxy resin, between 0.4 and 1.2 parts by weight of hardeners and between 40 and 55 parts by weight of fillers.

Abstract: A process for anchoring a fastener in a base comprising introducing a bore hole in the base a destructible multiple chamber cartridge containing a reactive set for producing a synthetic resin body. The reactive set contains 3-60 parts by weight of a vinyl ester epoxy resin, 28-45 parts by weight of styrene and/or methyl methacrylate, 63-3 parts by weight of an unsaturated polyester resin which is not an ester of a polyepoxide with an ethylenically unsaturated monocarboxylic acid, 10-0.1 parts by weight of an epoxy resin which is not an ester of a polyepoxide with an ethylenically unsaturated monocarboxylic acid, 0.4-1.2 parts by weight of an organic peroxide hardener component, 40-55 parts by weight filler, accelerators, and polymerization inhibitors. The organic peroxide and resin components are in separate chambers. The cartridge is driven into the borehole so that the cartridge is destroyed and the organic peroxide is mixed with the resin components whereby the resin is cured.

Abstract: A waterborne pigmented liquid coating composition and method of making and using same which is substantially devoid of any surfactant dispersing and/or emulsifying agents thereby substantially eliminating flash-rusting upon application to ferrous substrates and improved resistance to deterioration on exposure to high moisture environments. The coating composition contains as its essential constituents one or a combination or mixture of substantially uniformly dispersed pigment particles, a film forming constituent comprising a mixture of substantially uniformly dispersed acrylic hydrosol particles and an aqueous soluble salt of a dispersant resin having acid functionality, and a liquid constituent comprising a mixture of water and organic solvents, the organic solvents functioning as coalescing agents for the film forming constituents.

Abstract: The invention relates to water-dilutable, air-drying protective coating compositions based on a combination of select water-dilutable alkyd resins with aqueous polymer dispersions and maleinized oils or fatty acids. The products are used with or without pigments, extenders and/or paint adjuvants or additives, depending on the particular end application, as air-drying protective coating compositions for wood and metal substrates, particularly for brushing lacquers and wood varnishes.

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: 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 invention relates to a thermosetting composition comprisingA: 30-65 parts by weight of unsaturated polyester with a molar mass per double bond of 142-500B: 25-55 parts by weight of ethylenically unsaturated monomerC: 3-35 parts by weight of slightly ethylenically unsaturated polyesterD: 0-750 parts by weight of filler, fibrous material and, if so desired, other usual additives, characterized in that as as slight ethylenically unsaturated polyester an unsaturated polyester is used which has a molar mass per double bond of 1200-20,000 and an acid number of 5-50, and in which between 50 and 90% of the unsaturation consists of a terminal monoester of a .alpha., .beta.-unsaturated dicarboxylic acid. The composition presents little or no shrinkage in setting.

Abstract: The invention relates to fiber-reinforced unsaturated polyester resin compositions comprising an unsaturated polyester (A) obtained from a dicarboxylic acid containing unsaturated dicarboxylic acid or its anhydride, or an anhydride of the dicarboxylic acid and a polyhydric alcohol, a polyisocyanate (B), a polymerizable vinyl monomer (C), and a fiber (D), which produce molded articles having excellent impact resistance and improved moldability.