Abstract: The present invention provides a coating composition having excellent adhesion to metal substrates. The coating composition includes a binder comprising a polyester resin having an adhesion promoting group and an optional crosslinker. The present invention also provides articles having the coating composition applied to at least a portion of a surface thereof.

Abstract: There are provided a radical polymerizable composition having a low viscosity suitable for coating and a cured product and a plastic lens each obtained by curing the composition, the cured product having a high refractive index, good adhesiveness to a plastic film substrate, and good adhesiveness kept even under high-temperature and high-humidity conditions. The radical polymerizable composition includes phenylbenzyl (meth)acrylate (A), an epoxy (meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.

Abstract: Coating composition comprising an alkyd having at least 20% by weight of vinylic building blocks and having an oil length below 65%. The weight ratio non-vinylic:vinylic groups is between 1:1 and 4:1, preferably between 1.5:1 and 3:1. The vinylic groups include styrene and (meth)acrylate groups. The ratio of styrene:(meth)acrylate groups is between 0.5:1 and 4:1, preferably between 1.5:1 and 3:1. The vinylic groups show low polarity. The Mw is below 10,000. The oil length is above 45%. The coating composition can be water borne or solvent borne. The alkyd according to the invention allows formulation of solvent borne coatings a volatile organic content below 300 g/l.

Abstract: A hardener composition useful in a two part resin system. The hardener composition includes a reactive carrier, and a peroxide catalyst. The hardener composition can have a shelf life of over six months. A two-part polyester resin system and a method of making a polyester resin composition are also disclosed.

Abstract: A covalently-compatible in-mold gelcoat composition for use with epoxy matrix resins, including fiber-reinforced substrates, wherein the gelcoat composition comprises an acrylate ester component. Also disclosed is a process for using such composition.

Abstract: Aqueous coating composition comprising an oxidatively drying resin and an alkali-soluble acrylate having an acid number of at least 15 mg KOH/g in a content of at least 1.5 wt. %. Optionally a second acrylate can also be used, such as a polyurethane acrylate.

Abstract: The present invention provides a curable unsaturated resin composition, which has less odor characteristics and high safety and is also superior in thin film coating characteristics in a coating film. The curable unsaturated resin composition contains a polymerizable unsaturated resin (A) having two or more polymerizable unsaturated double bonds in a molecule, a hydroxyalkyl (meth)acrylate (B), and an unsaturated compound (C) having one or more cyclohexene rings and two or more allyl ether groups in a molecule, which is liquid at normal temperature.

Abstract: A laminate formed from a first fiber-reinforced ply joined by a laminating resin composition to a second fiber-reinforced ply. The laminating resin composition is the cured residue of a polyester resin being end-terminated with an alkyl acrylate group and diluted with less than about 35 wt-% styrene. The first fiber-reinforced ply is laminated to the second fiber-reinforced ply with the laminating resin composition by coating a surface of the first ply with an adhesive composition. The coated first ply surface is joined with a surface of the second ply and the adhesive cured. In making the laminating resin composition, unreacted alkyl acrylate can be reacted with an epoxy to push the reaction to completion.

Abstract: A laminating resin composition is disclosed which comprises an unsaturated polyester resin, a vinyl ester resin, a polyfunctional acrylate, and up to about 15 percent by weight of a vinyl monomer. Preferably, the vinyl ester resin has a molecular weight ranging from about 450 to 1500.

Abstract: The invention relates to a process for the preparation of esters of (meth)acrylic acid by (trans)esterifying (meth)acrylic acid or its ester derivatives with monohydric or polyhydric alcohols in the presence of an acidic (trans)esterification catalyst, wherein said process after the formation of the esters of (meth)acrylic acid further comprises reacting remaining acid groups with one or more component(s), wherein at least one component forms with at least said catalyst an ester compound not having a ?-hydroxy group or forms an amid compound. The component that reacts with the acidic (trans)esterification catalyst preferably is selected from the group consisting of an oxetane component or derivative, an ortho-ester component, an alcohol component or any mixture thereof.

Abstract: Unsaturated polyetherester resins, and processes for making them, are described which are useful for making curable thermoset resin compositions, intermediates for curable thermoset resin compositions, fiber-reinforced polymer composites, intermediates for making skin laminates for gel coated fiber-reinforced composites and gel coated polymer laminates. The unsaturated polyetherester resins are obtainable by reacting at least one acid-terminated unsaturated polyetherester resin with at least one aromatic polyol having at least one non-primary hydroxy group to produce an unsaturated polyetherester resin at least partially end-capped with an aromatic polyol. The described processes, compositions, methods and uses improve the chemical and/or water resistance of resin compositions, particularly composite materials having a gel coat.

Abstract: An anisotropic conductive adhesive includes the following components (a) to (d): (a) radical polymerizable compound with bridged hydrocarbon residue, (b) an organic peroxide, (c) a thermoplastic resin, and (d) conductive particles for anisotropic conductive connection. In the radical polymerizable compound of component (a), it is desirable that the bridged hydrocarbon residue may be a tricyclodecane residue, and that it contain two or more unsaturated bonds.

Abstract: Described are methacrylate or acrylate binders e.g. obtainable by the steps of (i) generating OH-precursors from at least one aromatic polyester, and (ii) reacting said OH-precursors of step (i) with methacrylic acid and/or acrylic acid to form a respective ester, whereby step (i) comprises reacting an aromatic polyester, or a mixture of aromatic polyesters with at least one polyol and/or at least one aminopolyol to generate hydroxy terminated oligomers. Optionally, a modified product can be obtained by performing a further reaction in step (i), namely by reacting said hydroxy terminated oligomer with at least one polycarboxylic acid and/or at least one polycarboxylic anhydride to generate said hydroxy terminated binder precursor oligomer.

Abstract: Pigmented molding compositions having good weatherability for sheet and bulk molded articles are made by mixing a resin component comprising an unsaturated polyester, a monomer which will react with the polyester and a non-aromatic, thermoplastic polymer; an ultraviolet light absorbing material and/or a hindered amine light stabilizing material; a pigment; and a reinforcing agent.

Abstract: The specification discloses improved alkyd-based ink vehicles for lithographic inks. An ink vehicle according to the invention may contain a rosin ester resin, an ink solvent and from about 1 to about 30% by weight alkyd resin comprising the reaction product of a monounsaturated cyclic diacid anhydride, a polyol and a tall oil fatty acid. The ink vehicle enables faster ink drying and improved pigment wetting without significant adverse affects on other properties of ink formulations such as misting and volatility.

Abstract: A low tack, low VOC gel coat is disclosed comprising a unsaturated polyester resin derived from maleic anhydride and up to about 30% of an organic solvent. The resin is characterized by: a viscosity of less than or equal to about 1750 cp at 70% NVM in styrene; a glass transition temperature greater than or equal to about 11° C.; and a weight average molecular weight less than or equal to about 6,050. A process for making such a gel coat is also disclosed.

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 curable resin composition includes an unsaturated polyester, an alkenyl aromatic compound, and a capped poly(arylene ether). The composition is suitable for low temperature curing and exhibits reduced curing shrinkage and reduced brittleness.

Abstract: The molecular weight of a graft copolymer is reduced by carrying out the following steps in a non-oxidizing atmosphere: (1) treating a propylene polymer material with an organic compound that is a free radical polymerization initiator, (2) treating the propylene polymer material with about 2 to about 240 parts per hundred parts of the propylene polymer material, of at least one vinyl-substituted grafting monomer in the presence of about 0.5% to about 5% of a polymerizable chain transfer agent that is a derivative of allyl alcohol, and (3) removing any unreacted monomer, decomposing any unreacted initiator, and deactivating any residual free radicals in the material.

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.

Abstract: An improved underfill adhesive encapsulant with fluxing activities containing an epoxy resin or a mixture of epoxy resin. An anhydride is used as the curing agent to harden the epoxy resin. A hydroxyl-containing fluxing precursor compound is added to the encapsulant composition to react with the anhydride curing agent to produce an active fluxing agent under typical reflow conditions. The use of a fluxing precursor gives improved reliability compared to conventional fluxing agents used in existing no-flow underfill encapsulants. A suitable catalyst such as imidazole, imidazole derivative or metal acetylacetonate is provided in the present encapsulant at concentrations that give good curing kinetics. A thermoplastic is optionally included to allow the cured encapsulant to be reworked.

Abstract: A laminating resin composition is disclosed which comprises an unsaturated polyester resin, a vinyl ester resin, a polyfunctional acrylate, and up to about 15 percent by weight of a vinyl monomer. Preferably, the vinyl ester resin has a molecular weight ranging from about 450 to 1500.

Abstract: Coating compositions containing an alkyd, urethane or unsaturated polyester resin, and an ester of an unsaturated acid and a fluorinated alcohol wherein the cured coating has an advancing hexadecane contact angle of at least about 40 degrees and durable improved oil and water repellency is disclosed.

Abstract: Unsaturated polyester resin-based compositions that are modified for unexpected improvement in uniform, low optical distortion and/or improved tint speed by the addition of one or more additives selected from an allylic ester and/or an acrylic monomer, together with an exotherm depressant, making the modified polyester resin-based composition commercially viable for casting ophthalmic lenses. The additive(s) and exotherm depressant are useful to modify the polyester for sufficient enhancement of optical distortion and/or tint speed such that any unsaturated polyester resin, capable of producing a clear, low color casting, will be improved sufficiently to provide a composition having the required properties for an ophthalmic lens.

Abstract: A surgical bonding material includes a continuous phase and a discontinuous phase. The continuous phase is formed from a polymerizable liquid. The discontinuous phase includes particles of bioabsorbable polymer. The bonding material may be partially or completely bioabsorbable.

Abstract: Preparation of storage stable, polybutadiene containing, unsaturated polyester resins by heating a mixture containing an unsaturated hydroxyl terminated polybutadiene resin, a saturated anhydride or dibasic acid, an unsaturated anhydride or dibasic acid, a polymerization inhibitor and, optionally, a saturated glycol, while removing water as it is formed, the molar ratio of the saturated anhydride or acid to the unsaturated anhydride or acid being at least equal to 2.

Abstract: Coating compositions containing an alkyd, urethane or unsaturated polyester resin and an ester of an unsaturated alcohol and fluorinated acid wherein the cured coating has an advancing hexadecane contact angle of at least about 40 degrees and improved oil and water repellency is disclosed.

Abstract: The grafting reaction product of the present invention includes a main chain having a polymer selected from one of a polyester and a polyester polyurethane consisting mainly of the polyester, the polyester containing 60 mole % or more of an aromatic dicarboxylic acid for the amount of the total carboxylic acids. The grafting reaction product further includes a plurality of side chains which are polymers of radical polymerizable monomers, said radical polymerizable monomers having at least 30% by weight of the combination of at least one electron accepting monomers (A) having an e value of 0.9 or more and at least one electron donative monomers (B) having an e value of -0.6 or less for the amount of the total radical polymerizable monomers, and at least 10% by weight of an aromatic radical polymerizable monomer for the amount of the total radical polymerizable monomers. According to the present invention, the plurality of side chains are grafted into the main chain to form the grafting reaction product.

Abstract: The invention relates to an aqueous polyester- and acrylate-based polymer dispersion, obtainable by free radical-initiated polymerization of at least(a) one (meth)acrylic acid ester,(b) one ethylenically unsaturated, at least monofunctional acid, and optionally(c) one ethylenically unsaturated monomer other than (a) and (b),or mixtures thereof with a polyester resin capable of undergoing a free radical-initiated polymerization. The invention further relates to the production of these aqueous polymer dispersions, to aqueous clear coat compositions containing said dispersions, and to the use thereof.

Abstract: A radiation-curable ink composition contains a vehicle mixture comprising: (A) at least one linear polyester oligomer and/or polymer substantially free of an acid group and free of a polymerizable double bond in a molecule, wherein 1 to 10 double bonds are pendent from the linear polyester chain, and/or mixture thereof, (B) at least one single double bond-containing carboxylic acid wherein the acid has at least one acid group, and/or carboxylic ester of the said acid, and/or carboxylic amide of the said acid, and/or mixture thereof, (C) a double bond-containing polycarboxylic ester, wherein 2 to 10 acid groups are present and at least 2 double bonds are pendent from the ester having 2 to 10 acid groups, (D) at least one double bond-containing fluorinated carboxylic ester, and/or block copolymer comprising a fluorinated alkyl group-containing polymer segment and a (meth)acrylic polymer segment, and/or block copolymer comprising a siloxane group-containing polymer segment and a (meth)acrylic polymer segment, an

Abstract: This invention is the polycapped oligomer adduct of a long chain fatty acid with a multi hydroxy functional or multi epoxy functional compound. This polycapped oligomer is useful in resin compositions to enhance the performance of thermoplastic low profile additives which improve the surface quality of molded composites such as automotive body panels.

Abstract: Vesiculated polymer beads are prepared in which a water-in-oil-in-water emulsion containing a cross-linkable polymer and a copolymerizable monomer in the oil phase is heated in the presence of an initiator to cure the polymer beads, wherein curing is commenced in a first stage in the presence of a substantially water-insoluble initiator and, when the beads are sufficiently stable, curing is completed in a second stage in the presence of an at least partially water-soluble initiator. Preferably, the completion of curing is carried out at a temperature higher than that of the first stage. The beads can be used in low odor paint formulations.

Abstract: An aqueous dispersion of a graft-copolymer (A), dispersed in water or a mixed solvent (B) of water and a water-soluble organic solvent, the graft-copolymer (A) comprising a polyester (A-a) graft-polymerized with a radical copolymerizable monomer (A-b) comprising a radical copolymerizable monomer having a hydrophilic group, wherein said graft-copolymer (A) is dispersed as fine particles having an average particle size of not more than 500 nm and a half band width of a signal of a carbon of a carbonyl group of the polyester, as determined by .sup.13 C-NMR, is not less than 300 Hz. The aqueous polyester dispersion of the present invention is superior in re-dispersibility and when a paint prepared from the dispersion is coated on a metal or a plastic, the coated film shows superior appearance, processability and water resistance. Accordingly, the aqueous dispersion of the present invention serves well for use for paints, ink, coating agents, adhesives and various treating agents.

Abstract: A heat reservoir device for maintaining a comestible at a desired consumption temperature consisting essentially of a shaped reinforced thermoset polyester resin, preferably one made by reacting isophthalic acid, propylene glycol, and fumaric acid to form the unsaturated polyester and then forming a solution thereof in a vinyl monomer. The invention also include the method of maintaining a comestible at a desired temperature using such device.

Abstract: Thermally curable liquid sealants for impregnating the pores of cast metal articles and powdered metal articles consist of a combination of polymerizable components including at least about 15% by weight of a water emulsifiable unsaturated polyester and no more than 20% of a monofunctional methacrylate or acrylate monomer. The sealants when cured, have low weight loss when tested for heat resistance, acceptable weight gain or loss when tested for chemical resistance upon submersion in water, brake fluid, antifreeze and methanol alcohol.

Abstract: Lubricant-containing aqueous preparations of copolymers are obtainable by polymerisation of(A) 70 to 95% by weight of a monomer mixture of(a) 20 to 90% by weight of an ethylenically unsaturated carboxylic acid, in particular of a monocarboxylic acid, or of a corresponding amide,(b) 10 to 80% by weight of a sulfonated, aliphatic or aromatic monovinyl compound, and(c) 0 to 25% by weight of N-vinylpyrrolidone or of an N-vinyl-substituted amide of a saturated aliphatic monocarboxylic acid in the presence of(B) 5 to 30% by weight of a polyol whose hydroxyl groups have been esterified with a fatty acid of 8 to 26 carbon atoms, the sum totals of (A) and (B) on the one hand and (a), (b) and (c) on the other each adding up to 100%.

Abstract: This invention relates to novel hydroxy-functional polyester diluents, and more particularly, to acrylic-modified hydroxy-functional polyester reactive diluents useful for blending with a variety of thermosetting or thermoplastic film-forming polymers. More specifically, the hydroxy-functional polyester reactive diluents are essentially low molecular weight polyesters derived from triols, and a combination of unsaturated monocarboxylic acids and saturated monocarboxylic acids. These hydroxy-functional polyester diluents may be copolymerized with one or more acrylic monomers, i.e. hydroxy-functional acrylic monomers, and blended with a variety of thermosetting or thermoplastic film-forming polymers. These blends of the film-forming polymers and the hydroxy-functional polyester diluents can be crosslinked with conventional crosslinking agents such as isocyanates and used in the formulation of low VOC paint compositions particularly useful as automotive topcoats.

Abstract: A resin composition including a modified acrylic unsaturated polyester resin composition comprising a maleic dicyclopentadienyl glycol polyester which is dissolved in a mixture of styrene monomer and methylmethacrylate monomer. The maleic dicyclopentadienyl glycol polyester is the reaction product of a glycol or mixture of glycols, an ethylenically unsaturated polycarboxylic acid moiety and dicyclopentadiene. The glycol utilized as a reactant preferably has a structure defined by: H--(OCHR--CH.sub.2).sub.n --OH wherein R is H or CH.sub.3 and n is 1-10. The concentration of unsaturated polyester is preferably about 40 weight percent to about 75 weight percent in the resin composition. The concentration of styrene monomer ranges from about 5 weight percent to about 40 weight percent, while the concentration of methylmethacrylate monomer ranges from about 5 weight percent to about 45 weight percent.

Abstract: A laminating resin is made from (1) an unsaturated polyester resin comprising maleic acid, phthalic acid, and glycol(s), and dicyclopentadiene, (2) a diacrylate or dimethacrylate of alkoxylated bisphenol-A, and (3) EG dimethacrylate. The resin requires no styrene or other monomer, although up to 20% vinyl toluene or 40% cyclohexyl methacrylate may be used to adjust viscosity.

Abstract: A process for the solvent-free production of hydroxy-functional copolymers by copolymerization of unsaturated monomers in a mixture of a polyester component and an unsaturated ester component as reaction medium, the use of the hydroxy-functional copolymers so obtained as binder component in polyurethane powder coatings, a powder coating based on these copolymers and its use for coating any heat resistant substrates.

Abstract: This invention is a low cost styrene-soluble unsaturated polyester resin made using recycled or virgin polyethylene terephthalate. The PET is first glycolyzed using inexpensive glycols and then reacted with maleic anhydride and dicyclopentadiene, forming polyesters containing cyclopentadiene added by Diels-Alder reaction and/or norbornyl-terminated polyesters.

Abstract: Unsaturated polyester resin compositions (UPRs) containing monomeric compounds of the formula (I): ##STR1## wherein R, R.sub.1 and R.sub.2 are H or a methyl group, for use as accelerators and crosslinking agents. A process for preparing the UPRs.

Abstract: A block copolymer of generally an AB, ABA, or A(BA).sub.n structure, or mixtures thereof where the A block is an unsaturated polyester, the B block is a flexible polymer having a Tg of 0.degree. C. or lower, and n is 2 to 5. The various block components are generally first separately prepared as polymers with the flexible polymer generally having 1 or 2 functional end groups such as an amine group, a carboxyl group, or a hydroxyl group with the later being preferred. Alternatively, for low molecular weight unsaturated polyester blocks, the block can be made in situ. The preferred reaction route is to react a mono or dihydroxy terminated flexible polymer with a diisocyanate which subsequently can be readily reacted with the polyester. The block copolymers can be utilized as toughening agents.

Abstract: The present invention relates to compositions which may be cured by radical polymerization at room temperature and containA) 20 to 100 parts by weight of .alpha.,.beta.-ethylenically unsaturated polyesters which are the reaction products ofa) a dicarboxylic acid component containing i) 40 to 100 carboxyl equivalent % of .alpha.,.beta.

Abstract: Disclosed are a resin composition for artificial marble comprising:(I) an unsaturated polyester obtained by using a divalent alcohol containing hydrogenated hisphenol A as an essential component and an .alpha.,.beta.

Abstract: A cyanoacrylate adhesive composition having improved toughness comprising a cyanoacrylate monomer and an effective toughening amount of a polyester polymer derived from a dibasic aliphatic or aromatic carboxylic acid and a glycol and having repeating units of the structure: ##STR1## where R is the organic residue of the dibasic carboxylic acid and R.sup.1 is the organic residue of the glycol, the polyester having a weight average molecular weight of greater than 10,000 and a Tg of from about -40.degree. to 30.degree. C.

Abstract: Cyclopentadiene-modified alkyd resins obtained by reaction of naturally occurring, unsaturated fatty acid esters with cyclopentadiene compounds under pressure, transesterification of the resulting adducts with polyols which contain at least three hydroxyl groups, and esterification with aromatic or cycloaliphatic polycarboxylic acids or anhydrides thereof. These resins are employed in the preparation of printing inks for offset printing. The novel resins impart an improved gloss to these printing inks.

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: Metal foil laminates of an unsaturated polyester resin, MC4, characterized by high performance electrical, physical and mechanical properties and useful for electronic circuit boards, low impedence microwave boards and E.M.I.-R.F.I. shielding, and a process for preparing such a metal-clad laminate.

Abstract: Adhesives comprising carboxylic acid- or anhydride-grafted elastomeric polyester copolymers, and composite structures made therefrom, are disclosed.