Abstract: An aqueous dispersion that comprises: (A) a polyolefin terpolymer resin obtained from (a) an unsaturated carboxylic acid or anhydride thereof, (b) an ethylenic hycrocarbon, and (c) a specific compound, the proportion of (a) being 0.01 to 5 wt %, excluding 5 wt %, and the ratio of (b) to (c) being from 55/45 to 99/1 (wt %); (B) a basic compound; and (C) an aqueous medium, that the polyolefin terpolymer resin (A) dispersed in the aqueous medium has a number-average particle diameter of 1 &mgr;m or smaller, and that the dispersion contains substantially no nonvolatile water-compatibilizing agent. Also provided are a coated film obtained by applying this aqueous dispersion to a thermoplastic resin and a coated metal material obtained by applying this aqueous dispersion to a metal material.

Abstract: The invention relates to the use of homopolymers and/or water-soluble copolymers of acrylic acid with one or more acrylic, vinyl or allylic monomers as dispersing agents for aqueous suspensions of mineral particles issuing from a mechanical and/or thermal reconcentration step following upon a step of wet grinding without the use of a dispersant and at low concentration in terms of dry matter. The invention also relates to the said aqueous suspensions and their uses in the fields of paper, paint, fillers for synthetic resins and rubbers, detergent and cleaning formulations, ceramics, drilling fluids, cements, plasters and other fields of application in civil engineering and the construction industry.

Abstract: A latex emulsion that includes crosslinked polymeric microparticles dispersed in an aqueous continuous phase. The microparticles are prepared from a monomer mix of a crosslinking monomer, a monomer having hydrophilic functional groups, and one or more other monomers. Also disclosed is a thermosetting composition that includes a first reactant that has reactive functional groups; a curing agent that has at least two functional groups reactive with the functional groups of the first reactant; and the latex emulsion of crosslinked polymeric microparticles dispersed in an aqueous continuous phase. The thermosetting composition may be used to coat a substrate. The coating may be a multi-layer composite coating that includes a base coat layer deposited from a pigmented film-forming base coat composition containing the thermosetting composition; and a substantially pigment free top coat layer deposited over a portion of the base coat layer from a substantially pigment free top coat composition.

Abstract: The present invention relates to printing plate coating compositions comprising: (a) a carbon pigment dispersible in water; (b) at least one polymer comprising at least one ionomeric polymer subunit; and (c) at least one high molecular weight thickening agent which shows pseudoplastic behavior. The printing plate precursor of this invention is prepared by coating a printing plate substrate with the coating composition.

Abstract: This invention relates to aqueous emulsion copolymers comprising from about 2% to about 20% of ethylene, from about 20% to about 78% of vinyl acetate, and from about 20% to about 60% of a functionalized monomer selected from the group consisting of acid containing monomers, nitrogen containing monoolefinically unsaturated monomers, and hydroxyl containing monomers. The present invention also pertains to methods for making the ethylene vinyl acetate aqueous emulsion copolymers containing high concentrations of functionalized monomers and to ethylene vinyl acetate aqueous emulsion copolymers made by the the novel methods.

Abstract: This invention relates to a polymerizable composite material and method of making same including at least one multifunctional acid containing monomer having a concentration ranging from about 10% to about 85%, a non-reactive filler having a concentration ranging from about 1% to about 80%, a polymerization system having a concentration ranging from about 1.5% to about 15%, and water having a concentration ranging from about 0.1% to about 25%.

Abstract: A plastic lens composition having a low viscosity, a plastic lens by curing the composition, and a method for producing the plastic lens are disclosed. The plastic lens composition contains a bromine-containing (meth)allyl ester-based compound and exhibits low viscosity and the cured composition has a high refractive index of 1.58 or more and a low specific gravity of 1.40 or less.

Abstract: This invention concerns an acrylate adhesive that cures at room temperature and has excellent dimensional stability. The adhesive may be used in applications such as for fiber optic connectors. The adhesive may be made by curing a two-part system or by use of a primer-based system. The two part system may include an adhesive part A, which may include one or more monofunctional, difunctional, or trifunctional acrylate or methacrylate monomers, a peroxide or hydroperoxide free-radical initiator, an antioxidant, and optionally, additives such as thickeners, thixotropes, and adhesion promoters; and an activator part B, which may contain a N,N-disubstituted aromatic amine, a difunctional methacrylate monomer, an antioxidant, and optionally, additives such as thickeners, thixotropes, and adhesion promoters.

Abstract: The present invention relates to a nonwoven binder composition, containing an aqueous solution of a copolymer binder having both an acid functionality and a hydroxyl or amine functionality. The binder is especially useful as a binder for fiberglass fibers, to produce a fiberglass mat that is strongly bound, yet flexible.

Abstract: The present invention relates to a non-woven binder composition containing a copolymer having both an acid and a hydroxyl, amide or amine functionality. The invention also relates to the use of polyamines as crosslinkers for a polymer binder. The binder composition is especially useful for binding mineral fiber, and particularly as a fiberglass binder. The binder composition provides a strong, yet flexible bond, that allows a compressed fiberglass mat to easily expand once the compression is released.

Abstract: An aqueous composition suitable for use when dry as a pressure sensitive adhesive including an aqueous emulsion polymer formed by the free radical polymerization of at least one ethylenically unsaturated monomer at a reaction temperature lower than 100° C. in the presence of 20-1500 ppm, based on the total weight of the monomer, of an N-oxyl radical, the polymer having a glass transition temperature (Tg) from −80° C. to 0° C. is provided. Also provided is a method for preparing the emulsion polymer and a method for coating a substrate with an aqueous composition to provide a pressure sensitive adhesive layer on a substrate.

Abstract: This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monomers. The acidic ethylenically unsaturated monomers and the ethylenically unsaturated monomers are defined herein. The present invention also pertains to emulsion polymerization methods for making the aqueous emulsions with or without a surfactant.

Abstract: Novel unsaturated esters for use in dentistry as bonding agents are produced by a stepwise reaction of a cyclic dianhydride with a) unsaturated alcohols, b) unsaturated glycidyl ethers, and c) unsaturated isocyanates. The products used as bonding agents have the formula: wherein R2 is H or CH3.

Abstract: A low shrinking polymerizable dental material, includes a mixture of a polymerizable di- or poly(meth)acrylate, an alkoxylated bisphenol dimethacrylate, a polymerizable monomer, a polymerization initiator and/or sensitizer, a stabilizer and a filler in a content of 70 to 85 per cent. The volumetric shrinkage during polymerization is less than 2.0 Vol.-%.

Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a photopolymerization initiator, (C) a diluent, and (D) a thermosetting component.

Abstract: A stable, aqueous composition containing a substantially crosslinked alkali-swellable acrylate copolymer rheology modifier, a surfactant, an alkaline material, and various compounds therein, as for example substantially insoluble materials requiring suspension or stabilization, such as a silicone, an oily material, or a pearlescent material. Additionally, this invention also relates to the formation of a rheologically and phase stable cationic hair dye composition. The invention further relates to the incorporation of an acidic material after the addition of an alkaline material to reduce the pH of the composition without negatively impacting the viscosity of the composition.

Abstract: Biocompatible polyhydroxyalkanoate compositions with controlled degradation rates have been developed. In one embodiment, the polyhydroxyalkanoates contain additives to alter the degradation rates. In another embodiment, the polyhydroxyalkanoates are formed of mixtures of monomers or include pendant groups or modifications in their backbones to alter their degradation rates. In still another embodiment, the polyhydroxyalkanoates are chemically modified. Methods for manufacturing the devices which increase porosity or exposed surface area can be used to alter degradability. For example, as demonstrated by the examples, porous polyhydroxyalkanoates can be made using methods that creates pores, voids, or interstitial spacing, such as an emulsion or spray drying technique, or which incorporate leachable or lyophilizable particles within the polymer. Examples describe poly(4HB) compositions including foams, coatings, meshes, and microparticles.

Abstract: The invention relates to a latex that may be utilized as a binder for nonwoven applications to form a permeable sublayer of personal hygiene articles. The latex is prepared by a process including the steps of (1) polymerizing a monomer mixture comprising styrene, itaconic acid, surfactant and water soluble free radical initiator to form a seed; (2) sequentially adding equal increments of a monomer mixture of styrene, butadiene and acrylic acid to the seed under emulsion polymerization conditions to form a styrene-butadiene-acrylic acid copolymer; and then (3) neutralizing the styrene-butadiene-acrylic acid copolymer to a pH of about 4.5 to 7 to form the latex.

Abstract: A joint compound includes water, calcium carbonate, and a water-soluble polymeric set retarder formed from a monomer having two or more carboxyl groups. The joint compound is useful in various applications and in a hybrid joint compound made with a calcium sulfate hemihydrate setting-type joint compound.

Abstract: A curable coating composition comprising functionalized oligomer components i and ii which cross-link at cure to form a three-dimensional network having chains of substantially uniform, controllable molecular weight between cross-links; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to cross-link i and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.

Abstract: The use of crosslinked copolymers obtainable by precipitation polymerization of monomer mixtures comprising (a) monoethylenically unsaturated C3-C8-carboxylic acids, their anhydrides or mixtures of said carboxylic acids and anhydrides, (b) compounds with at least 2 non-conjugated ethylenic double bonds in the molecule as crosslinkers and, where appropriate, (c) other monoethylenically unsaturated monomers which are copolymerizable with monomers (a) and (b), in the presence of free-radical polymerization initiators and from 0.1 to 20% by weight, based on the monomers used, of saturated, nonionic surface-active compounds, as stabilizer in oil-in-water emulsions in amounts of from 0.01 to 5% of the weight of the emulsions, and cosmetic and pharmaceutical formulations based on oil-in-water emulsions which contain said precipitation polymers.

Abstract: Dental resin cement materials having unique handling properties are provided that comprise a) filler, b) polymerizable resin, and c) a polymeric handling modifier that is dispersed in the polymerizable resin at 25° C. and that has a molecular weight of between about 500 and 100,000. Components a) b) and c) are present in an amount effective to achieve a Viscosity vs Shear Rate Curve that fits a power law model of F(x)=A xB. The correlation value of the material to this curve is greater than 0.85 for both the increasing and decreasing shear rate curves, and the value of B is less than about −0.01. Resin cements are also provided that comprise acid functionality and water, but which do not comprise an acid reactive filler. Such cements may be self etching, thereby avoiding the need to carry out a separate acid etch step.

Abstract: The reaction product of a C6+ alpha olefin/maleic anhydride copolymer with a polyfunctionalized secondary or tertiary amine has application as a heat cured coating and in cosmetic applications including hair spray as well as in inkjet ink formulations. The polyfunctionalized secondary or tertiary amine has the general formula R1R2R3N wherein R1, R2, and R3 are hydrogen, alkyl, alkyl ether, hydroxyalkyl, hydroxyalkylether, aminoalkyl, aminoalkylether, or an ester of hydroxyalkyl or hydroxyalkylether containing from 1 to 15 carbon atoms; provided at least two of R1, R2, or R3 are hydroxyalkyl, hydroxyalkylether, aminoalkyl, or aminoalkylether when the other is H; and at least one of R1, R2 or R3 is hydroxyalkyl, hydroxyalkylether, aminoalkyl, or aminoalkylether when one is H.

Abstract: The present invention deals with a novel photochromic organic material, the use of at least one plasticizer for the preparation of said novel material, said preparation and photochromic articles constituted wholly or in part of said novel material. The intervening plasticizer, advantageously a phthalate, is according to a variant simply dispersed in the polymer matrix, or, according to another variant, chemically bound to said polymer matrix. Said novel material possesses remarkable photochromic properties together with interesting optical and mechanical properties.

Abstract: Copolymerizates of methyl methacrylate and butyl methacrylate are used as plastisols in the automotive sector and as floor coverings. The invention describes a way to increase the storage stability of the plastisols by using small amounts of cross-linking agents.

Abstract: The present invention relates to adhesive and sealant compositions in non-flowable form. More particularly, the present invention relates to non-flowable adhesive and sealant compositions which are particularly useful in the threadlocking and sealing applications and which can be packaged in a convenient pocket-sized applicator dispenser.

Abstract: A rheology modifying copolymer composition containing a cross-linked copolymer of unsaturated carboxylic acid, a hydrophobic monomer, a hydrophobic chain transfer agent, a cross linking agent, and, optionally, a steric stabilizer, provides increased viscosity in aqueous electrolyte-containing environments.

Abstract: A process for producing a microporous oil sorbent polymer comprising the steps of: dissolving a polyunsaturated monomer in a silicone organic solvent to provide a monomer mixture containing more than 90% by weight polyunsaturated monomer; polymerizing said monomers by precipitation polymerization, under an inert atmosphere to precipitate microporous, micro-particles in the form of micro-particles, agglomerates and aggregates having a bulk density of about 0.02 gm/cm3 to about 0.01 gm/cm3 and capable of adsorbing at least about 20% by weight organic materials based on the total weight of polymer plus adsorbed organic material.

Abstract: Calcitic and/or siliceous particulate materials are provided with increased resistance to penetration by water, oil or grease damage from water, oil or grease by a process which comprises treating said materials with an aqueous composition containing: (A) from about 0.1 to 4% by weight on a 100% solids basis of an aqueous solution or self-dispersed emulsion or dispersion of a copolymer which is a reaction product of monomers containing fluorinated groups, cationic groups and nonionic groups, optionally (B) an effective amount of a penetration assistant, and (C) water to make up 100%.

Abstract: Aqueous dispersion of copolymers formed by the polymerization of a monomer mixture containing 0.05% to less than 4.5% by weight of certain terminally unsaturated oligomers are useful for improving the scrub resistance, corrosion resistance, opacifying capacity and/or efflorescence resistance of a coating.

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.

Abstract: Fine particulate thermoplastic polymers [e.g., hydrophobically modified polyether-polyurethanes, polyacrylates, polyvinyl alcohol, polyether-polyols, polyacrylamide, aminoplast-polyethers and poly(acetal- or ketal-polyethers] having reduced bulk density, process of making same by dissolving the polymer and rapidly insolubilizing the polymer from the solution and process of using aqueous suspensions of such polymers as thickeners for aqueous systems.

Abstract: A dental restoration comprising a fiber reinforced composite framework and one or more of a randomly dispersed, fiber-filled veneer, a soft particulate filled composite veneer having a strain to failure greater than that of FRC framework and/or a brittle particulate filled composite veneer having a strain to failure value less than that of the FRC framework. The fiber filled veneer is advantageously placed beneath the framework, the soft veneer is advantageously pled where tensile stresses are expected to occur, while the brittle particulate filled veneer is placed where compressive stresses are expected to occur.

Abstract: The present invention relates to a denture adhesive composition comprising mixed salts of an alkyl vinyl ether-maleic acid copolymer wherein the mixed salt contains a cationic salt function comprising from about 5% to about 50% zinc cations; from 0% to about 2.5% of a cation selected from the group consisting of iron, boron, aluminum, vanadium, chromium, manganese, nickel, copper, yttrium, titanium, and mixtures thereof; from about 30% to about 60% free acid component; an effective adhesive amount of magnesium cations; and an effective adhesive amount of a cation selected from the group consisting of calcium, strontium, and mixtures thereof; wherein the total level of magnesium, calcium and strontium is from about 5% to about 65%. In addition the present invention relates to denture adhesive compositions comprising the above composition and at least one non-adhesive self-supporting layer.

Abstract: Active hydrogen in an active-hydrogen-containing compound is activated by using a polymer gel having a three-dimensional network structure holding a solvent inside thereof and active sites inside the three-dimensional network structure and surfaces thereof. The ratio of swell of the polymer gel is preferably set to not less than 2, and it is preferable for the polymer gel to have a basic functional group derived from at least one compound selected from the group consisting of tertiary amine compounds, quaternary ammonium salts, cyclic amine compounds and sulfides. The activation of active hydrogen in the active-hydrogen-containing compound is preferably carried out under the condition that the amount of basic active sites of the polymer gel per unit volume in the active system accompanying the activation of active hydrogen is set to not less than 0.43 mmol/cc.

Abstract: Liquid crystalline (meth)acrylates of the invention include at least three rigid rod-like moieties. One of these moieties is comprised between the (meth)acrylate rests and further two moieties are bonded as side chains. The liquid crystalline (meth)acrylates polymerizable using redox initiators and/or photo initiators. The (meth)acrylates of the invention polymerize quantitative and with very low volume shrinkage of less than 2.5 percent.

Abstract: The present invention relates to dispersions in an aqueous phase of forming coatings after curing.

Abstract: Copolymerizates of methyl methacrylate and butyl methacrylate are used as plastisols in the automotive sector and as floor coverings. The invention describes a way to increase the storage stability of the plastisols by using small amounts of cross-linking agents.

Abstract: The present invention provides a resin-based dental restorative that exhibits low volumetric shrinkage, high filler loading and the high strength required for load bearing restorations, yet maintains a glossy appearance, even after substantial wear. To this end, a dispersant is mixed with a methacrylate resin and a structural filler having a mean particle size between about 0.05 &mgr;m and about 0.50 &mgr;m. The composite is useful in stress bearing restorations and in cosmetic restorations. The structural filler used is typically ground to a mean particle size of less than 0.5 &mgr;m and also includes a microfill having a mean particle size less than 0.05 &mgr;m to improve handling and mechanical characteristics. The preferred dental composites maintain their surface finish even after substantial use and also have the strength properties of hybrid composite resins.

Abstract: A dental cement composition is disclosed, comprising a liquid material and a powder material, wherein said liquid material comprises 4-methacryloxyethyl trimellitic acid and water, said powder material comprising a powdered fluoroalumino silicate glass or a powdered metal oxide containing zinc oxide as the major component, the dental cement composition of the invention has a superior adhesive strength and adhesive durability to the tooth structure and superior in mechanical strengths, particularly in bending strength, without using dental adhesives requiring the surface treatment or priming.

Abstract: The present invention relates to pressure-sensitive removable adhesives based on polyacrylates, characterized in that they comprise a compound of formula: wherein R1, R2 and R3, which are identical or different, represent a linear or branched C1-C8, preferably C2-C6, alkyl radical; and R4 represents H or an acyl radical COR5 wherein R5 is a linear or branched C1-C3 alkyl radical. The present invention also relates to a process for the preparation of said adhesives. The present invention further relates to adhesive labels and tapes comprising said adhesives.

Abstract: An improved polyamide resin composition for weldable molded articles which comprises: (a) 99.9-30% by weight of a polyamide-containing compound; (b) 0.1-20% by weight of a plasticizing compound selected from the group consisting of esters of low molecular weight poly(ethylene glycol) having the formula (I) R—COO—(CH2CH2O)n—OC—R  (I) wherein R is a branched or straight chain alkyl group having from 1 to 40 carbon atoms, and n is 2 to 20; or a long chain alkyl polyester of formula (II) HOOC—R—CO—(O—R′—O—CO—R—CO)n—O—R′—OH  (II) wherein R is alkyl of 16 to 45 carbon atoms, R′ is alkyl of 2 to 6 carbon atoms, or, wherein R is an alkyl of 2 to 6 carbon atoms, R′ is an alkyl of 16 to 45 carbon atoms, and n is 2 to 50.

Abstract: The invention relates to a method for the preparation of nanoparticles formed from a random polymer of at least one compound of formula (I) 1

Abstract: A thermoplastic solid surface material derived from a thermoplastic latex co-dispersion and downstream intermediates, including (a) aqueous thixotropic slips; (b) polymeric composite flakes; (c) composite powders; (d) composite pastes; and (e) preformed composite pieces

Abstract: Calcitic and/or siliceous architectural and construction materials are provided with increased resistance to damage from water, oil, grease and weather by a process which comprises treating said materials with an aqueous composition containing: (A) from about 0.1 to 4% by weight on a 100% solids basis of an aqueous solution or self-dispersed emulsion or dispersion of a copolymer which is a reaction product of monomers containing fluorinated groups, cationic groups and nonionic groups, (B) an effective amount of a penetration assistant, and (C) water to make up 100%.

Abstract: A polymer useful as an inorganic pigment dispersant is provided. The polymer is derived from monomers consisting essentially of an ethylenically unsaturated aromatic monomer, an ethylenically unsaturated dicarboxylic acid monomer, and an ethylenically unsaturated monocarboxylic acid monomer. The total amount of said ethylenically unsaturated acid monomers is sufficient to permit said polymer to associate with an inorganic pigment in an aqueous medium in a manner which disperses said inorganic pigment in said aqueous medium to form a stable aqueous dispersion of said inorganic pigment, and the amount of said ethylenically unsaturated aromatic monomer is sufficient to reduce the water sensitivity of a dried coating of a latex paint comprised of said stable aqueous dispersion of said inorganic pigment. A process of preparing a polymer useful as an inorganic pigment dispersant and a method of preparing an inorganic pigment dispersion useful in the preparation of latex paints are also provided.

Abstract: The use of polymerizable monomeric conditioning agents for treating the enamel and dentin of a tooth prior to application of a primer and subsequent application of a bonding resin, or a combination of a primer/bonding resin has been found to provide good shear bond strength on both moist and dry dentin. In addition, the contact angles provided by water on dentin conditioned with the polymerizable conditioners as compared to the non-polymerizable phosphoric acid are much lower, reflecting improved spreading over the surface of the tooth.

Abstract: A rubber composition for treads which contains silica and has a low electric resistance and further well-balanced characteristics such as a low rolling resistance, abrasion resistance and good wet performance can be obtained. The rubber composition comprises 40 to 90 parts by weight of silica and 5 to 40 parts by weight of diester of adipic acid based on 100 parts by weight of a diene rubber.

Abstract: An additive for, a method of adding thereof to uncured mixes for and resulting cured cement-type concreations such as cured embodiments of concrete, marcadam, and roof-top shingles each exhibiting improved heat and freeze-thaw durability resulting from reduced efflorescence and stability against sun ultraviolet light exposure.

Abstract: An absorbing agent has a diffusing absorbency under pressure of not less than 25 g/g when 60 minutes elapsed after absorption is started, and a water-soluble content is above 0 percent by weight and not more than 7 percent by weight. The absorbing agent is prepared by surface-crosslinking a precursor of the absorbing agent obtained by performing an aqueous solution polymerization of a hydrophilic unsaturated monomer having not less than 50 mole percent neutralized acrylic acid as a main component using a specific crosslinking agent having a main component composed of an ester compound of a specific polyhydroxy alcohol and an unsaturated carboxylic acid, and a high-boiling component having at least two alcohol structures in a molecule as a specific ratio.