Abstract: This invention relates to an insulating resin composition which exhibits high impact resistance and heat resistance and good adhesiveness to the plating metal, is selectively etchable by a permanganate salt commonly used in a plating operation and suited for an insulating layer in multilayer wiring boards. The insulating resin composition is a photo-polymerizable or thermally polymerizable resin composition comprising 3-10 parts by weight of a crosslinked elastic polymer per 100 parts by weight of a resin component (excluding the crosslinked elastic poly and including monomers) and said crosslinked elastic polymer has carboxyl groups and is dispersed with an average secondary particle diameter in the range of 0.5-2 &mgr;m.

Abstract: A radiation-curable composite layered sheet or film comprising at least one substrate layer and one outer layer, said outer layer being composed of a radiation-curable composition having a glass transition temperature of more than 40° C.

Abstract: Biaxially oriented polyester films which have a polyester-containing base layer (B) and a matt overlayer (A), and are characterized by the following features: a) the transverse shrinkage of the film is between 1 and 23%, b) the transverse linear expansion of the film during thermo-mechanical analysis is smaller than or equal to 0.2%, c) the matt overlayer comprises particles, preferably SiO2, whose median diameter is from 2 to 10 &mgr;m and whose SPAN98 is smaller than or equal to 2, and d) the matt overlayer (A) comprises a polyester which has from 4 to 30 mol % of isophthalic acid units are notable in particular for low opacity, high transparency and low gloss of the overlayer (A), and are therefore suitable as flexible packaging films and for the purposes of hot lamination.

Abstract: This invention provides a paint composition for motorcars, which comprises a carboxyl-containing polyester resin which contains a unit or units derived from alicyclic polybasic acid (a) and/or alicyclic polyhydric alcohol (b), and a vinyl polymer having epoxy group(s) and hydroxyl group(s) within one molecule, and which is capable of forming cured coating having Universal Hardness (HU) not higher than 500 N/mm2.

Abstract: This invention concerns a thermosetting resin system that is useful in the manufacture of high performance prepreg, laminate and composite materials as well as, prepregs, laminates and composites made from the thermosetting resin composition.

Abstract: Disclosed are coated fiber-containing articles, including paper, paperboard, and molded fiber, and methods for preparing such articles. A preferred method comprises heating paperboard containing a polymeric binder to a temperature sufficient to remove at least some moisture from the paperboard; applying an aqueous dispersion or solution of at least one water-dispersible or water-soluble polymer to the paperboard product; heating the paperboard to at least partially cure the water-dispersible or water-soluble polymer; and cooling the paperboard to at least 160° F. to reduce the tackiness of the cured water-dispersible polymer.

Abstract: A polymeric film comprising a first layer which comprises (a) a mixture comprising 50-99.9% by weight polyethylene terephthalate (PET) and 0.1-50% by weight of polyethylene naphthalate (PEN) or (b) a copolymer comprising 50-99.9% by weight ethylene terephthalate units and 0.1-50% by weight ethylene naphthalate units, based on the total weight of the first layer, further comprising a second layer comprising PEN and a third layer comprising PEN, and further comprising a first intermediate layer and a second intermediate layer, wherein each of said intermediate layers comprises (a) a mixture comprising 50-99.9% by weight polyethylene terephthalate (PET) and 0.1-50% by weight polyethylene naphthalate (PEN) or (b) a copolymer comprising 50-99.9% by weight ethylene terephthalate units and 0.

Abstract: Three-layer, highly oriented polyester films having an A-B-C layer construction, preferably made of polyethylene terephthalate, which, in addition to a base layer B have a smooth surface layer A which contains no external particles and a rough surface layer C which contains external particles such as antiblocking agents or pigments, preferably SiO2, in defined amounts and particle sizes, and the surface layer A is additionally provided with an acrylate-containing layer D feature in particular good producibility and processibility, high gloss of the film surface A and low opacity. The very smooth surface A or b is suitable in particular for coating with materials, for example SiOx, by means of plasma polymerization of hexamethyldisiloxane by the CVD or PECVD method, which provides the film with a high oxygen barrier and is suitable in particular as packaging for light- and air-sensitive foods or other consumable items.

Abstract: A polyester adhesive film readily adhering to an ink-receiving layer comprising a coating layer having a surface energy of 54 to 70 dyne/cm and a polyester film containing an ultraviolet light absorber, wherein at least one surface of the polyester film is coated with the coating layer. Accordingly, there is provided the polyester adhesive film readily adhering to an ink-receiving layer, having excellent adhesiveness to an ink-receiving layer, excellent transparency and weatherability and useful as image-receiving paper and the like for ink jet printers.

Abstract: White, biaxially oriented polyester films which have a base layer B which comprises a thermoplastic polyester such as polyethylene terephthalate, and which comprise substantially only TiO2 as a white pigment, whose R value is less than 43 daN/mm2, whose emax ratio is less than 2.5 and at least one of whose two surfaces of the film has been provided with an acrylate-containing coating, are particularly tear-resistant and do not tend to delamination and are therefore suitable in particular as lid films for food containers, for example yoghurt cups. A process is described for producing the films.

Abstract: Monofunctional polyfluorooxetane oligomers and polymers are prepared by the cationic polymerization of fluorooxetane monomers with a monoalcohol. The fluorooxetane oligomers or polymers can be copolymerized with generally cyclic ethers. Alternatively, the polyfluorooxetane oligomer or polymer having a single hydroxyl end group can be functionalized with a variety of compounds so as to yield a functional end group such as an acrylate, a methacrylate, an allylic, an amine, etc., with the functionalized oligomer or polymer being suitable for use in radiation curable or thermal curable coating compositions. These functionalized polymers can be copolymerized and cured to provide improvements in wetting and surface properties that have previously been provided by migratory chemicals such as waxes and oils.

Abstract: The invention concerns a polyester bearing tertiary carboxyl groups, characterised in that it consists of: (a) 8.1 to 35 moles of an aliphatic or cycloaliphatic of a polyol; (b) 9.1 to 36 moles of an aliphatic, cycloaliphatic or aromatic polycarboxylic acid; (c) 1.6 to 2.8 moles of an aliphatic, cycloaliphatic or aromatic compound comprising a tertiary carboxyl group and either a primary or secondary carboxyl group, or a primary or secondary hydroxyl group. Said polyester is prepared in several steps, the first steps consisting in the preparation of a polyester by condensation between (a) an aliphatic or cycloaliphatic polyol, and (b) an aliphatic, cycloaliphatic or aromatic polycarboxylic acid, the final step consisting in condensing said polyester with (c) an aliphatic, cycloaliphatic or aromatic compound comprising a tertiary carboxyl group and either a primary or secondary carboxyl group, or a primary or secondary hydroxyl group.

Abstract: The invention relates to a coating material that can be cured thermally or by actinic radiation and that contains at least one component (a1) with at least two functional groups (a11) which serve for cross-linking, by actinic radiation, and at least one functional group (a12) that can enter into thermal cross-linking reactions with the hydroxyl and/or thiol groups (a21) in component (a2), at least one branched cyclic and/or acyclic C9-C16 alkane (a2)) that is functionalized with at least two hydroxyl or thiol groups (a21) or with at least one hydroxyl and at least one thiol group, and optionally at least one photo initiator (a3), at least one initiator of the thermal cross-linking reaction (a4), at least one reactive diluent that is cured by actinic radiation and/or thermafly, at least one lacquer additive (a6), at least one thermally curable component (a7) and/or at least one organic solvent (a8).

Abstract: Provided is a crosslinking agent which is the ungelled reaction product of a polyester polyol and an aminotriazine compound having one or less non-alkylated NH bond per triazine ring. The polyester polyol is the reaction product of a cycloaliphatic polyol and a cyclic polycarboxylic acid or anhydride. The crosslinking agent is essentially free of hydroxyl functionality and has a glass transition temperature of at least 10° C. Further provided is a powder coating composition including a solid particulate film-forming mixture of a polymer containing reactive functional groups and having a Tg of at least 30° C., and the crosslinking agent. Additionally provided is a multi-layer composite coating composition having a basecoat layer deposited from a basecoat film-forming composition and a topcoat over the basecoat deposited from the previously described powder coating composition. Coated substrates are also provided.

Abstract: A laminated polyester film in which a coating layer whose main constituent component is a water-soluble or water-dispersible resin is provided on at least one side of a polyester film, wherein the water resistance value of the film is at least 90%, the discoloration after melt molding is no more than 10, and the haze value change after heating is no more than 20%. Adhesion, water resistance, recoverability, and whitening resistance after heating are all excellent.

Abstract: A polyester polymer includes at least one hydroxyl terminated polyoxetane block containing repeat units derived from polymerizing at least one oxetane monomer having a pendant —CH2—O—(CH2)n—Rf group wherein said Rf group is partially or fully fluorinated. A preferred process for forming said polymer is by reacting a hydroxyl terminated polyoxetane with a polycarboxylic acid under appropriate conditions to form an ester linkage and then adding and reacting that product with polyester forming reactants. The polyester polymer containing at least one polyoxetane block therein when reacted with an amino resin curative can be used as a coating on a substrate wherein the coating has dry erase properties. The coated substrate can be used as prepared or applied to yet other substrates.

Abstract: In an intermediate coating composition comprising high-acid-value polyester resin, low-acid-value polyester resin, melamine resin containing an imino group and pigments, a ratio (AV1/AV2) of acid value (AV1) of high-acid-value polyester resin to that (AV2) of low-acid-value polyester resin is adjusted to be 1.25-5. A method for forming multilayered coating films using this intermediate coating composition and multilayered coating films prepared using said method are provided, wherein, by specifying the acid value of resins and type of cross-linking agents in the intermediate coating, said multilayered coating films formed even under short-time baking conditions is excellent in its appearance and adhesiveness to the top coating, and said intermediate coating composition is able to maintain its storage stability excellent so as to be capable of shortening the coating processes.

Abstract: There is provided an easily adhesive, biaxially oriented laminated polyester film for optical use which has excellent adhesion, transparency and easy slipperiness. The biaxially oriented laminated film has a coating layer formed on at least one surface of an aromatic polyester film, the coating layer containing either a polyester resin, an acrylic resin and wax or a polyester resin and an acrylic resin having an oxazoline group and an alkylene oxide chain.

Abstract: The present invention relates to a new liquid, storage-stable coating composition, which is suitable for the production of coatings which have an outstanding resistance to external weathering, and binders thereof which are composed of a hardener component comprising an aminoplast resin and/or a blocked polyisocyanate and a specific polyol component of selected units, and to its use for the production of weathering-resistant coatings on any desired heat-resistant substrates.

Abstract: A primer useful in the preparation of an anti fouling surface contains (I) a copolymer formed from acrylates, free carboxyl group containing monomer and an aromatic sulfonic acid or salt, an acrylic polymeric resin and a cross-linking agent.

Abstract: The present invention relates to a multilayer coating comprising at least one basecoat layer and one topcoat layer, the coating being preparable by A. applying a component (I), if desired radiation-curable component, based on polyurethane resins, polyacrylate resins, polyester resins and/or amino resins and also mixtures thereof to a substrate and subjecting it to thermal partial crosslinking or drying at temperatures of less than 100° C., preferably 60-80° C., and B. applying a topcoat to this coating layer, and subsequently carrying out radiation curing.

Abstract: The present invention relates to a polyester film for display comprising:

Abstract: A gel composition comprising a reversible gelling agent, an irreversible gelling agent, an electrolyte salt and a solvent for the electrolyte salt; a preparation process for the gel composition which comprises a first step of heating a gel mixture of a reversible gelling agent, an irreversible gelling agent, an electrolyte salt and a solvent for the electrolyte salt to a first temperature region at which the reversible gelling agent functions, to transform the gel into sol and molding the sol into a desired shape; and a second step of heating the sol to a second temperature region at which the irreversible gelling agent functions, to gel irreversibly; and a gel electrolyte composition comprising the above-described gel composition and a process for the preparation thereof. The gel composition can be handled as a solid electrolyte, can be adhered closely with the surface of an electrode and can be used as an electrochemical element in a desired shape.

Abstract: The invention concerns powder thermosetting coating compositions comprising (a) an amorphous polyester containing carboxyl groups, rich in isophthalic acid and neopentylglycol, optionally branched with a polycarboxylic acid or a polyol containing at least three functional groups; (b) a semicrystalline polyester containing carboxyl groups prepared from one or several saturated aliphatic dicarboxylic acids with linear chain, and from a saturated aliphatic diol with linear or cyclic chain optionally branched with a polycarboxylic acid or with a polyol containing at least three functional groups, and having a melting point (Tm) of at least 40° C. and an acid value of 5 to 50 mg of KOH/g, and (c) a cross-linking agent. Said compositions are useful for preparing powder paints and varnishes providing excellent quality coatings whereof the brilliance, measured at an angle of 60°, according to the ASTM D 523 standard is always less than 50%, that is half-gloss or matt coatings.

Abstract: A composite solid surface article which includes a molded overlay composed of a solid surface material fabricated in a mold; an underlay core material composed of a polymeric material molded onto the overlay but which only covers a center portion of the overlay so that peripheral edges of the overlay are not covered by the underlay core material; and solid surface edge component of additional solid surface material at the edge of the underlay core material, and a method of making the composite using a removable liner.

Abstract: The invention relates to a method for producing defined layers or layer systems made of polymers or oligomers on any solid surface and with a controlled structure, according to which the layers are chemically deposited on the solid surface by means of live/controlled free-radical polymerization. Said method comprises the following steps: a) bonding the compounds of the general formula (a) A—L—I to the solid surface via the active group A where A represents an active group, I is the initiating group for ATRP polymerization and L is the binding link between A and I; b) carrying out live/controlled free-radical polymerization by reacting the initiator group I with monomers, macromonomers or mixtures able to undergo free-radical polymerization, which produces the polymer layer on the solid surface. The invention also relates to solid surfaces with oligomer or polymer layers and initiators for carrying out the method.

Abstract: A resin-bonded type magnet molded from a composition comprising a magnetic powder and a resin powder in which a resin binder comprises at least one unsaturated polyester resin cured product as the main ingredient. The resin binder contains a peroxide or a reaction product thereof capable of curing at a temperature of 150° C. or lower, and an anisotropic magnetic field of the magnetic powder is 50 kOe or more, and 50% by weight or more of the particles of magnetic powder has a grain size of 100 &mgr;m or less. The resin-bonded type magnet is obtained by molding by an injection molding process, an injection molding, a compression process, an injection compression molding process, an injection pressing molding process, or a transfer molding process.

Abstract: This invention concerns a thermosetting resin system that is useful in the manufacture of high performance prepreg, laminate and composite materials as well as the prepregs, laminates and composites made from the thermosetting resin composition.

Abstract: Disclosed is an integral film comprising a transparent polymeric substrate having a surface bearing polymeric beads, wherein the swell ratio, the size, and the laydown of the beads are selected so as to provide both a one sided static friction coefficient of not more than 0.68 and an internal haze value of not more than 0.1. The film provides an improved combination of slip and optical properties.

Abstract: A biaxially oriented layered polyester film which is excellent in suitability for winding and processability while retaining the flatness of the flat surface and which gives a magnetic recording medium, especially a metal coating type high-recording-density magnetic recording medium, having excellent electromagnetic characteristics. The biaxially oriented layered polyester film comprises a second polyester layer and superposed on one side thereof a first polyester layer containing an ester of a C12 or higher aliphatic monocarboxylic acid with a polyhydric alcohol and three inert particulate materials differing in average particle diameter. In the film, one of the Young's moduli respectively in the longitudinal direction and transverse direction is 6 GPa or higher and the other is 4 GPa or higher.

Abstract: The present invention provides a coated polymer film having release properties. The film includes a self-supporting polymer film layer, and a release coating on the film layer. The release coating, which can also be applied to alternate substrates, includes a cross-linkable acrylic and a polyolefin wax. The coating can optionally include a polysiloxane in combination with one or both of the acrylic and polyolefin wax.

Abstract: The object of the present invention is to provide a method for producing a polyester film excellent in rigidity, toughness, dimensional stability, electric properties, etc. and less in thickness fluctuation and surface defects, hence very suitable as a film for various industrial materials such as magnetic recording media, capacitors, heat transfer ribbons and thermal mimeographic stencil paper. The first method of the present invention is a method for producing a polyester film, in which a film made of a resin mainly composed of a polyester is simultaneously biaxially stretched by a simultaneously biaxially stretching tenter oven, comprising the step of effecting small-ratio stretching at an area stretching ratio of 1.0005 to 3.

Abstract: The invention concerns a polyester bearing tertiary carboxyl groups, characterised in that it consists of: (a) 8.1 to 35 moles of an aliphatic or cycloaliphatic of a polyol; (b) 9.1 to 36 moles of an aliphatic, cycloaliphatic or aromatic polycarboxylic acid; (c) 1.6 to 2.8 moles of an aliphatic, cycloaliphatic or aromatic compound comprising a tertiary carboxyl group and either a primary or secondary carboxyl group, or a primary or secondary hydroxyl group. Said polyester is prepared in several steps, the first steps consisting in the preparation of a polyester by condensation between (a) an aliphatic or cycloaliphatic polyol, and (b) an aliphatic, cycloaliphatic or aromatic polycarboxylic acid, the final step consisting in condensing said polyester with (c) an aliphatic, cycloaliphatic or aromatic compound comprising a tertiary carboxyl group and either a primary or secondary carboxyl group, or a primary or secondary hydroxyl group.

Abstract: The oxygen resin composition of the present invention includes: a thermoplastic resin (a) having carbon-carbon double bonds; a gas barrier resin (b) having an oxygen transmission rate of 500 ml·20 &mgr;m/m2·day·atm or less (20° C. 65% RH); and a transmission matel salt (c). This resin composition and molded articles formed using the resin composition effectively absorb and scavenge oxygen when used to package products susceptible to degradation by oxygen, such as foods and drinks.

Abstract: In a first embodiment a polyoxetane-polyester polymer comprising a hydroxyl terminated polyoxetane prepolymer containing repeat units derived from polymerized oxetane monomers having one or two pendant —CH2—O— (CH2)n-Rf groups wherein Rf is partially or fully fluorinated, where the polyoxetane prepolymer is esterified with polyester forming reactants to form the polyoxetane-polyester polymer, and said polymer is mixed with a reactive lower alkyl etherified melamine formaldehyde to form a thermoformable coating composition. In a second embodiment, the coating composition is based on a polyester mixed with the lower alkyl etherified melamine formaldehyde and is substantially free of the polyoxetane. The coating composition is partially cured in a first stage heating at less than about 180° F. to provide a thermoformable partially cured, tack-free, non-blocking, coating layer, followed by application to generally a contoured substrate and thermoformed to conform thereto.

Abstract: A radiation-curable inkjet composition for forming 3-D models or images comprising a semi-crystalline or crystalline, low-shrinkage, radiation-curable oligomeric material, a photoinitiator, and a diluent, said inkjet composition having a viscosity of between about 10 to about 50 cps at at least one temperature between 50 to 140° C.

Abstract: A compounded unsaturated polyester resin composition having 10-90 wt % of at least one high viscosity, high molecular weight unsaturated polyester, 10-80 wt % of at least one low viscosity, low molecular weight unsaturated polyester, and 9-30 wt % of at least one monomer. The cone and plate viscosity of the high molecular weight unsaturated polyester is 1 Pas/100° C. to 10 Pas/150° C. and the weight average molecular weight Mw is 1,200 to 10,000. The cone and plate viscosity of the low molecular weight unsaturated polyester is 1 Pas/25° C. to 4 Pas/100° C., and the weight average molecular weight Mw is 400 to 3,000.

Abstract: A molding composition including reactive high-volatility monomeric groups, such as acrylics, at least one primary thermal initiator and at least one secondary thermal initiator is described. Molding process using molding compositions including reactive high-volatility monomeric groups are also described.

Abstract: A directly embossable, coated polyethyleneterephthalate film including a dry, uniaxially oriented PET film, and a coating applied to the PET film, wherein the coating and the PET film have as a composite been transversely stretched, the film being coated from an aqueous solution at a thickness of about 0.1 &mgr;m-about 0.4 &mgr;m with a non-crosslinked polystyrene-acrylic emulsion and non-crosslinked polyester dispersion, the Tg of the coating resin being greater than about 20° C. and less than about 70° C.

Abstract: This invention relates to an imaging element comprising a base polyester layer, an absorbent polyester layer above said base layer, and a glossy polymer layer above said absorbent layer; wherein said element has a 60° Gardner gloss greater than 30%.

Abstract: The present invention relates to a biaxially oriented polyester film having at least one layer of a sea island structure which satisfies the following formulae (1) and (2) at the same time, said film having a specific surface resistance of not more than 1×1015 &OHgr;:

Abstract: A stratified-phase-separated composite comprises a liquid layer, such as a liquid crystal layer, and a polymeric layer. In order to obtain a more complete stratification resulting in less liquid being present in the polymeric layer, the polymeric layer is crosslinked. The stratified composite is preferably obtained by photo-polymerization induced phase-separation of a phase-separable composition provided on a single substrate or dispersed between two opposite substrates.

Abstract: A roller shade material, such as 100% polyester, is passed through a bath, so that both sides of the material are coated by the bath. In a preferred embodiment, the bath includes an acrylic polymer finish, and a melamine-formaldehyde cross-linking agent. The acrylic polymer preferably is approximately 45% solid, and comprises about 47% to 48% of the bath by weight. The cross-linking agent preferably comprises about 2.5% of the bath by weight, and is about 80% solid material. The bath should have a pH in the basic range between about 7 and 9.5, and the preferred base used to adjust the pH is N,N-Diethylethanolamine. Optional compounds that may be added to the bath include an anti-stick compound and a defoaming agent. This treatment produces a roller shade having a clear coating that allows the color, texture and weave of the substrate to show, without hindering the ability of light to pass through the material.

Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.

Abstract: The present invention relates to a primer coated polyester film for imaging media which has a thickness of 40 to 200 &mgr;m, a haze of not more than 5%, and comprises a biaxially oriented polyester film support and at least one priming layer laminated on the support and oriented at least monoaxially. The priming layer is formed from a coating solution containing a water-soluble resin (A) having vinyl alcohol units as a main constituent and a water-soluble or water-despersible resin (B) having an aromatic polyester unit.

Abstract: The present invention relates to compositions that may be cured under the action of UV radiation and contain A) 40 to 80 parts by weight of a polyester resin component containing one or more ethylenically unsaturated polyester resins prepared from a carboxylic acid component containing a 1,2-alkenyl dicarboxylic acid monodicyclopentenyl ester and fumaric acid, maleic acid and/or maleic anhydride and an alcohol component containing a dyhydric alcohol, B) 20 to 60 parts by weight of a copolymerizable monomer such as styrene and C) 0.1 to 10 parts by weight of a photoinitiator. The present invention also relates to coated substrates, in particular wood or imitation wood, prepared from these compositions at an application viscosity of less than 60 seconds measured at 23° C. in a DIN 4 cup to DIN 53211 under the action of UV radiation.

Abstract: The invention relates to an imaging member comprising at least two polymer sheets joined by solvent based thermoplastic adhesive applied to at least one said at least two polymer sheets between 15 and 50° C.

Abstract: The present invention provides an antimicrobial agent consisting of glass which comprises 50 to 60 mole % of ZnO, 20 to 30 mole % of at least one member selected from the group consisting of B2O3 and P2O5, 1 to 10 mole % of at least one member selected from the group consisting of Al2O3 and ZrO2, 5 to 10 mole % of an alkali metal oxide and 0 to 15 mole % of SiO2 and an antimicrobial agent consisting of glass which comprises 50 to 70 mole % of ZnO, 20 to 35 mole % of P2O5, 0.5 to 10 mole % of Al2O3, 0.5 to 10 mole % of SnO2, 0 to 5 mole % of SiO2 and 5 to 10 mole % of an alkali metal oxide as well as an antimicrobial resin composition and antimicrobial artificial marble, each of which comprises a resin and the antimicrobial agent blended therewith. The antimicrobial resin composition and the antimicrobial artificial marble are excellent in their antimicrobial properties, resistance to color change and water resistance.

Abstract: A coating composition is disclosed that is intended for application to the interior surface of a can and is free of Bisphenol A diglycidyl ether and comprises a phenoxy group-containing or amino group-containing resin, a nonaqueous carrier and a polyester resin formed from (a) isophthalic acid, (b) naphthalene dicarboxylic acid or an ester thereof, (c) trimellitic anhydride or trimethylpropane and (d) neopentyl glycol.

Abstract: A composition useful as a gel coat, binder, laminating resin or molding resin comprising (A) unsaturated polyester resin which is the reaction product of one or more polyols and one or more ethylenically unsaturated polycarboxylic acids, anhydrides, or amides, and optionally one or more polyethylenically unsaturated monomers, and/or a vinyl ester resin, (B) one or more first monomer selected from the group consisting of styrene, vinyl toluene, methyl methacrylate, N-vinyl pyrolidone, ethylene glycol dimethacrylate and the dimethacrylate of alkoxylated Bisphenol A, and (C) a second monomer selected from the group consisting of metal salts of an alpha, beta-ethylenically unsaturated carboxylic acids without a loss in heat distortion temperature properties.