Abstract: An antifouling coating composition comprising (A) a silyl ester copolymer containing constituent units derived from a polymerizable unsaturated carboxylic acid silyl ester; (B) a carboxylic acid; (C) a bivalent or trivalent metal compound; and (D) a dehydrating agent. It is preferred that the component (C) be contained in an amount of 1.2 equivalents or more, in terms of the number of equivalents of metal as a constituent of the component (C), per equivalent of carboxyl group of the carboxylic acid (B); that the component (C) be a bivalent metal compound; and that the component (C) be a compound of at least one metal selected from the group consisting of zinc, copper, magnesium, calcium and barium.

Abstract: Waxes prepared from hydrogenated plant oils, such as palm and soybean, are used as substitutes for petroleum derived waxes in hot-melt adhesive compositions. Unlike petroleum-derived or synthetic waxes, adhesive compositions comprising these waxes, which are obtained from naturally derived, renewable resources, achieve adhesion performance similar to conventional adhesives containing petroleum-derived waxes. The inventive waxes have a low iodine value (between 2-5), and melting points between approximately 120-165 degrees F. (Mettler Drop Point). These waxes comprise a triglyceride whose fatty acids are predominantly stearic acid (C18). The naturally derived waxes are used as an alternative to petroleum and synthetically derived waxes in the manufacture of adhesives used to bond paper, wood, glass, plastic and metal in a variety of manufacturing operations.

Abstract: A process for preparing hot-melt pressure-sensitive adhesives from aqueous dispersions based on polyacrylate, and pressure-sensitively adhesive articles produced therefrom, which comprises producing highly concentrated aqueous dispersions with polymer contents between 68% by weight and 87% by weight of gel-free, molecularly-dispersely meltable polymer particles with an at least bimodal size distribution in size ranges between 0.5 ?m and 1000 ?m Ø.

Abstract: A method of preparing a cured laminate employing electron beam radiation is provided. The cured laminate is prepared from an uncured laminate including a prepolymer composition containing oligomer, tackifying resin, and optionally, monomer. Also provided are a prepolymer composition and an article including the cured laminate prepared by the method of this invention. The method is useful for preparing cured laminates such as flexible laminates for food packaging.

Abstract: Polymeric materials and products, including sheet flooring materials prepared from the polymeric materials, and processes for preparing the polymeric materials, are disclosed. The polymeric materials include a polylactic acid-based polymer in combination with plasticizer and a compatibilizer, and optionally include a filler. The polymeric material can include between about 30 to about 50 percent by weight polyvinyl chloride, polyethylene glycol, polyglycolide, ethylene vinyl acetate, polycarbonate, polycaprolactone, polyhydroxyalkanoates, or polyolefins modified with polar groups, for example, ionomers. The plasticizer is typically an epoxidized vegetable oil or esterified and epoxidized vegetable oil and is typically present in an amount of between about 10 and about 50% by weight. In some embodiments, the compatibilizer is a polyolefin modified with one or more polar functional groups, and is typically present in an amount of between about 5 and about 10% by weight.

Abstract: This invention relates to novel carboxylic acid-modified vinylic polymeric compositions and the process for preparing them. In particular, the invention relates to novel carboxylic acid-modified vinylic polymeric compositions which exhibit properties that make them useful as support resins for producing polymer latices which can be employed in the formulation of various water-based coatings and inks, particularly flexographic inks. More particularly, these carboxylic acid-modified vinylic polymeric compositions are produced by the addition polymerization reaction of vinylic monomers in the presence of dimer acids, trimer acids, dimerized rosins, or mixtures thereof.

Abstract: Acrylate copolymer pressure-sensitive adhesive constructions are described which provide excellent retention of rivet properties. Tenting around rivets is minimized even after undergoing thermal aging while in contact with additive rich films like PVC. This is achieved by the inclusion of a synergistic amount of an N-vinyl lactam monomer and acid monomer with the bulk of the monomers being an alkyl acrylate save and/or methacrylate esters. A concomitant increase in cohesive strength is also achieved which affords good removal characteristics. The use of appropriate adhesive blends is further disclosed which allows retention of these features while also improving cold temperature properties.

Abstract: Heat-activated adhesive tape has a backing comprising 88-92% acrylic polymer containing: 35-45% of a first alkyl acrylate monomer with alkyl groups containing 4 to 12 carbon atoms, 30-40% of a second alkyl acrylate monomer with alkyl groups containing 4 to 12 carbon atoms, 6-10% a first monoethylenically unsaturated polar copolymerizable monomer, 1-2% a second monoethylenically unsaturated polar copolymerizable monomer, 0.3-0.5% photoinitiator, 1-2% filler, 0.05-0.07% crosslinker/chain extender, and 8-12% hollow glass microspheres; and heat-activated adhesive layer on at least one side. A pressure-sensitive adhesive may be on the other side.

Abstract: An aqueous dispersion type pressure-sensitive adhesive composition which is excellent in adhesion to foams and unsusceptibility to edge peeling and retains stable adhesive force over long, a pressure-sensitive adhesive sheet including a substrate and, disposed on one or both sides thereof, a pressure-sensitive adhesive layer comprising the aqueous dispersion type pressure-sensitive adhesive composition, and a pressure-sensitive adhesive rubber foam sheet comprising a rubber foam and, disposed on one or both sides thereof, the pressure-sensitive adhesive layer or pressure-sensitive adhesive sheet. The aqueous dispersion type pressure-sensitive adhesive composition comprises an aqueous dispersion of a polymer obtained by copolymerizing a monomer mixture comprising one or more alkyl (meth)acrylates as the main component and at least one silane monomer, and a tackifier having a phenolic skeleton, added to the aqueous dispersion.

Abstract: Use, as modifier resin for rubber mixtures, of novolaks ABC plastified with terpene-type olefinically unsaturated natural substances C, where the ratio of the molar amount of the phenol or phenol derivative B and the molar amount of the natural substance C in the modified novolak is from 1:6 to 6:1, process for increasing the tear propagation resistance and reducing the compression set of rubber vulcanizates by adding these modifier resins to rubber mixtures, and components molded from vulcanizates thus prepared.

Abstract: Pressure sensitive adhesive formulations comprising an acrylic copolymer and a mixture of tackifiers exhibit outstanding adhesion to foam facestocks.

Abstract: A method of making a carpet latex compound, the method comprising the steps of providing a carboxylated styrene-butadiene latex, adding a rosin acid soap to the latex to provide a pre-compound latex, and adding to the precompound latex at least one of a filler, a thickener and a curative.

Abstract: A hot-melt adhesive based on a copolymer of ethylene and of an alkyl (meth)acrylate.

Abstract: Biopolymers and biopolymer blends, including block copolymers, prepared via enzyme-mediated catalysis preferably in a microorganism host in which the reaction conditions are selected to produce biopolymers and biopolymer blends having particular chemical compositions and microstructures.

Abstract: Compositions comprising at least one acrylic, vinyl acetate or epoxide polymer or copolymer as a film-forming ingredient and an ester of benzoic acid wherein the alcohol portion of the ester is alkyl and contains eight carbon atoms exhibit unexpected improvements in film-forming and applied film properties. In preferred compositions this alcohol portion is 2-ethylhexyl. Additionally, the preferred benzoic acid ester frequently interacts synergistically with benzoic acid esters derived from oligomeric ethylene glycols.

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: The present invention is a method of producing substantially dry water insoluble polymers from poly alkyl esters of vinylic monomers for use in a method for the clarification of red mud-containing liquors generated in the Bayer process for the recovery of alumina from bauxite ore. The polymers can be either homopolymers, copolymers or terpolymers. Preferably, the dried emulsion polymers are high molecular weight polymers of poly(methyl acrylate), poly(methyl acrylate/acrylic acid), poly(vinyl acetate/acrylic acid/methyl acrylate), poly(t-butyl methacrylate/acrylic acid/methyl acrylate) and poly(t-butyl acrylate/acrylic acid/methyl acrylate).

Abstract: A golf ball exhibits a high spin and easily comes to a halt even when shot from the rough or when shot in a raining condition. The cover material of the golf ball is based on ionomer resin. The cover material has 5-50 parts by weight of a tackifier such as terpene resins, rosin ester resins or the like blended with respect to 100 parts by weight of the base material.

Abstract: An aqueous composition containing from 1 to 60% by weight of a polymer A) built up from a) from 10 to 50% by weight of a vinylaromatic having up to 20 carbon atoms, b) from 45 to 75% by weight of a nonaromatic hydrocarbon having two conjugated double bonds, c) from 0 to 20% by weight of a water-soluble monomer having a water solubility of at least 100 g per liter of water under standard conditions (21° C. and 1 bar), the water-soluble monomer containing no acid group or acid anhydride group, d) from 0.1 to 4.5% by weight of a monomer containing at least one acid group or acid anhydride group, e) from 0 to 30% by weight of a monomer other than a) to d), and from 40 to 99% by weight of a filler B), the weight data for A) and B) being based on the sum of A) and B).

Abstract: A low application temperature, high heat resistant hot melt adhesive comprising an adhesive polymer and a modified rosin and/or modified terpene which has a molecular weight to softening point ratio of less that about 10. The adhesive is particularly well-suited for hot filled packaging applications.

Abstract: An water based adhesive useful for bottle labeling applications. The adhesive contains styrene maleic anhydride and rosin, and provides a formulation with alkali sensitivity at moderate temperature together with cold water resistance.

Abstract: A reduced density, low water, high-solids flooring adhesive, comprising an intimately blended mixture of between 10 percent and 20 percent by weight of a high solids acrylic polymer characterized by having at least 70 percent by weight solids, between 10 percent and 20 percent of a tackifying resin for increasing initial adherence of the adhesive to the flooring, between 40 percent and 60 percent filler, between 0.25 and 2 percent of a gas, wherein the total amount of solids is no less than 80 percent by weight. The gas may be the decomposition product of hydrogen peroxide introduced into the adhesive during mixing.

Abstract: Rosin esters that are both light-colored and color stable may be produced by reacting rosin with an organic compound containing two or more hydroxyl groups each separated from each other by at least four carbon atoms. With appropriate choices for the esterification catalyst and antioxidant(s), the rosin ester may be useful as a tackifier, and can be formulated into an adhesive composition. The adhesive compositions will further comprise an appropriate adhesive polymer.

Abstract: A processable poly(hydroxy acid) composition which has been stabilized by adding to the polymer during the melt processing stage 0.05-3% by weight of a peroxy compound the degradation of which produces one or more acid radicals, and which has good melt strength and elasticity. The melt strength is high enough to produce films with conventional methods as the film blowing method.

Abstract: Multilayer PSA label constructions that achieve a good balance of properties, namely, adhesive performance, convertibility, and laser printer performance, and, optionally, good wet-out on plastic substrates and low haze. The multilayer PSA construction comprising a facestock, a multilayer adhesive coating, and a release liner. The adhesive coating is made of a face side adhesive (FSA) layer comprising a first emulsion acrylic PSA, which is in contact with the inner surface of the facestock, and a liner side adhesive (LSA) layer, comprising a second emulsion acrylic PSA different from the first acrylic PSA, which is in contact with the FSA. The adhesive coating has a coat weight of less than about 26 g/m2 and a flow of less than about 50 &mgr;m at room temperature. The construction exhibits a loop tack value of at least about 3.5 N/25 mm at 5° C. on a polyethylene substrate.

Abstract: This invention relates to polymer blends comprising a polycarboxypolyamide resin with an alkali dispersible resin. This invention also relates to the use of the polymer blends to prepare aqueous dispersions. The aqueous dispersions were obtained by heating polycarboxypolyamide resins with alkali dispersible resins in an aqueous medium. The invention further relates to coating compositions containing the aqueous dispersions. Such coating compositions include inks, floor finishes, overprint varnishes, sizing, paints and adhesives.

Abstract: The present invention provides an emulsion for pressure-sensitive adhesive, and a pressure-sensitive adhesive product which exhibits high water resistance and high adhesion properties. The emulsion for pressure-sensitive adhesive includes as essential components: a pressure-sensitive adhesive polymer (A) having a glass-transition temperature of −80 to −20° C., a weight-average molecular weight of 150,000 or larger, and a carboxylic acid value of 30 or smaller; a rosin derivative (B) having a weight-average molecular weight of 100,000 or smaller, and containing at least part of the carboxyl groups being alkali salt with a carboxylic acid value of 190 or larger before alkalization; and a compound (C) having a weight-average molecular weight of 100,000 or smaller, and having no carboxyl group but having at least one functional group reactive with a carboxyl group in its molecule.

Abstract: Pressure sensitive adhesive compositions and articles, wherein the adhesive includes at least one acrylate pressure sensitive adhesive component and at least one thermoplastic elastomer-based pressure sensitive adhesive component. The acrylate component includes at least one polymerized monofunctional (meth)acrylic acid ester monomer having a Tg of no greater than about 0° C. when homopolymerized, and 0 to about 10 wt % of at least one copolymerized monofunctional ethylenically unsaturated monomer having a Tg of at least about 10° C. when homopolymerized. The thermoplastic elastomer-based pressure sensitive adhesive component includes a radial block copolymer.

Abstract: This invention relates to novel rosin-fatty acid vinylic polymer compositions that exhibit characteristics which make them useful as grind resins for preparing grind vehicles for ink and coating formulations. In particular, this invention relates to rosin-fatty acid vinylic grind resin compositions obtained from the addition polymerization reaction of a mixture of rosin and fatty acid and a mixture of (meth)acrylic and vinylic monomers.

Abstract: This invention relates to solvent-free moisture curable one-part hot melt polyurethane adhesive or sealant compositions which are solid at room temperature. In one embodiment, the polyurethane adhesive or sealant composition comprises in percentages by weight (a) from about 20% to about 75% of a urethane prepolymer; (b) from about 1% to about 66% of a reactive, hydroxyl containing, or a nonreactive polymer formed from ethylenically unsaturated monomers; and (c) from about 20% to about 75% of a thermoplastic resin. In another embodiment, the polyurethane adhesive or sealant composition comprises, in percentages by weight of the polyurethane composition (a) from about 10% to about 90% of a urethane prepolymer; and (b) from about 5% to about 90% of a thermoplastic resin which is an ethylene vinylacetate/ethylene acrylate terpolymer.

Abstract: A low application temperature, high heat resistant hot melt adhesive comprising an adhesive polymer and a modified rosin and/or modified terpene which has a molecular weight to softening point ratio of less that about 10. The adhesive is particularly well-suited for hot filled packaging applications.

Abstract: Vinylic polymer compositions having a weight average molecular weight in the range of about 4,000 to about 12,000 are produced by reacting, in an addition polymerization reaction, a fatty acid rosin mixture and a monomer mixture at a temperature in the range of about 135° C. to about 175° C. These compositions exhibit properties that make them useful as support resins for ink and overprint formulations and as additives for formulating various coating compositions.

Abstract: This invention relates to novel rosin-fatty acid vinylic polyamide polymer supported latex compositions and the process for preparing them. More particularly, the invention concerns novel rosin-fatty acid vinylic polyamide graft polymer supported latex compositions which exhibit properties that make them useful as components of inks for printing on plastic films.

Abstract: This invention relates to novel rosin-fatty acid vinylic polymer compositions and the process for preparing them. In particular, the invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful as support resins for ink and overprint formulations.

Abstract: A rosin fatty acid vinylic emulsion composition produced by (A) polymerizing a mixture of vinylic monomers in the presence of a fatty acid rosin mixture comprising a mixture of fatty acids and rosin, at temperature in the range of about 135° C. to about 175° C., to produce a rosin-fatty acid vinylic polymer having a weight average molecular weight in the range of 4,000 to about 12,000; and (B) subsequently emulsion polymerizing another mixture of vinylic monomers in the presence of the rosin-fatty acid vinylic polymer of step A at temperature in the range of about 20° C. to about 100° C., to produce a rosin-fatty acid vinylic emulsion composition with polymers having a weight average molecular weight in the range of about 40,000 to about 200,000.

Abstract: A phase change composition that is useful as a thermally conductive interface composition between a heat sink and an electronic component that includes:

Abstract: Aqueous dispersion of a polymer, which polymer has been obtained by subjecting a starting polymer which contains maleic anhydride monomer units and vinyl aromatic monomer units to an imidization reaction, the starting polymer containing 7-50 mole % maleic anhydride monomer units and the imidization reaction having been carried out in such a way that at most 75% of the maleic anhydride monomer units has been imidized.

Abstract: The present invention relates to an ethylene homo or copolymer having a density of between 0.923 and 0.935 g/cm3, having a molecular weight distribution Mw/Mn of between 3 and 10, and comprising from 0.10 to 0.50 wt. percent of units derived from a carbonyl group containing compound, based on the total weight of the homo or copolymer. In addition, the invention relates to a free radical initiation polymerization process for the preparation of medium density ethylene polymers or copolymers, comprising reacting ethylene and optionally one or more comonomers at a high pressure, conveniently between 1600 and 4000 kg/cm2, and at temperatures of about 150-330° C. in a reactor system consisting of at least one autoclave reactor or of a combination of autoclave and tubular reactors, in the presence of free radical initiators and a carbonyl group containing compound.

Abstract: A component to control the viscosity of phase change material formulations is made by reacting selected nucleophiles, including fatty acid/alcohol reactants with an isocyanate, is disclosed. The addition of the isocyanate and the different nucleophiles will create a viscosity modifying component of low viscosity that can be formulated with higher molecular weight polyamide resins to achieve increased toughness in phase change solid imaging materials and carrier compositions used to make phase change ink jet inks.

Abstract: A composition for film formation which is useful as an interlayer insulating film material in the production of semiconductor devices and the like, and gives a coating film having excellent uniformity, low dielectric constant, low leakage current and excellent storage stability; and a material for insulating film formation using the composition. The composition comprises (A) a product of hydrolysis and condensation obtained by hydrolyzing and condensing at least one compound selected from the group consisting of (A-1) compounds represented by the formula (1): R1aSi(OR2)4−a, and (A-2) compounds represented by the formula (2): R3b(R4O)3−bSi—(R7)d—Si(OR5)3−cR6c; and (B) a compound represented by the formula (3): R8O (CHCH3CH2O)eR9.

Abstract: The present invention is a method of producing substantially dry water insoluble polymers from poly alkyl esters of vinylic monomers for use in a method for the clarification of red mud-containing liquors generated in the Bayer process for the recovery of alumina from bauxite ore. The polymers can be either homopolymers, copolymers or terpolymers. Preferably, the dried emulsion polymers are high molecular weight polymers of poly(methyl acrylate), poly(methyl acrylate/acrylic acid), poly(vinyl acetate/acrylic acid/methyl acrylate), poly(t-butyl methacrylate/acrylic acid/methyl acrylate) and poly(t-butyl acrylate/acrylic acid/methyl acrylate).

Abstract: A process for preparing hot-melt pressure-sensitive adhesives from aqueous dispersions based on polyacrylate, and pressure-sensitively adhesive articles produced therefrom, which comprises producing highly concentrated aqueous dispersions with polymer contents between 68% by weight and 87% by weight of gel-free, molecularly-dispersely meltable polymer particles with an at least bimodal size distribution in size ranges between 0.5 &mgr;m and 1000 &mgr;m .

Abstract: A method for the production of an improved water soluble resin binder for laminating printing inks has been discovered. The method comprises esterifying the carboxylated Diels Alder adduct produced from the reaction of rosin and at least one carboxylated dienophile with a sufficient amount of at least one polyol to produce a modified rosin having an acid number greater than 157. The modified rosin is reacted with a sufficient amount of an acrylic copolymer having an acid number greater than 180 under esterification conditions between 175 ° C. and 185 ° C. for a time sufficient to produce a resin binder having an acid number greater than 157. A laminating ink formulation of the invention comprises water, pigment, styrene-acrylic varnish, shellac varnish, alkanol and the improved water soluble resin binder of the invention as described above.

Abstract: A moldable silicone rubber sponge composition comprising (A) 100 weight parts silicone rubber base compound with a Williams plasticity at 25° C. of 50 to 600 comprising (a) 100 weight parts diorganopolysiloxane gum that contains at least 2 alkenyl groups in each molecule and (b) 1 to 120 weight parts wet-process silica, (B) 0.01 to 50 weight parts hollow gas-containing thermoplastic resin powder, and (C) curing agent in an amount sufficient to effect curing of the composition. The invention is further a silicone rubber sponge afforded by the thermosetting of the above-defined moldable silicone rubber sponge composition and a method for producing the silicone rubber sponge.

Abstract: A water sensitive hot melt adhesive composition is described which possesses properties which are desirable with respect to the construction of disposable articles. The adhesive composition includes about 5% to about 95%, by weight, of a poly [vinyl methyl ether]; about 5% to about 70%, by weight, of a tackifying resin; and about 5% to about 35%, by weight, of a water soluble plasticizer.

Abstract: Acrylic emulsions are obtained by carrying out a polymerization reaction of a first acrylic monomer dispersion, adding a second acrylic monomer dispersion, and carrying out a further polymerization reaction wherein the first acrylic monomer dispersion contains acrylic monomer and tackifier in a first proportion to acrylic monomer contained in the first acrylic monomer dispersion and wherein the second acrylic monomer dispersion contains acrylic monomer and tackifier in a second proportion to acrylic monomer contained in the second acrylic monomer dispersion, and wherein the proportion of tackifier in the first acrylic monomer dispersion is lower than the proportion of tackifier in the second acrylic monomer dispersion. A high molecular weight acrylic polymer is obtained when the first acrylic monomer dispersion is polymerization reacted. The second acrylic monomer dispersion is added to the first acrylic monomer dispersion after the first acrylic monomer dispersion is polymerization reacted.

Abstract: There is disclosed a method and composition for cosmetically repairing a surface void in polyolefin objects. The method involves inserting a repair composition into the void and then applying heat thereto to fuse the repair composition with a surrounding portion of the polyolefin object. The repair composition is a physical mixture of a thermoplastic powder, a resin binder, and a solvent, having a paste-like consistency. The repair composition may be neutral in color, or may contain a colorant to closely match the underlying object. The heating step can be performed with an open flame or with a heat gun.

Abstract: The present invention relates to water-based pressure sensitive adhesives comprising at least one water-based polymer and at least one aminoplast resins such as melamine-formaldehyde resins, urea-formaldehyde resins, alkylated melamine-formaldehyde resins and combinations thereof. More particularly, the invention relates to water-based pressure sensitive adhesives comprising the reaction product of aqueous polymer dispersions and water dispersible melamine-formaldehyde resins. The pressure sensitive adhesives are characterized as having enhanced bonding characteristics including loop tack, peel strength, and shear strength making them particularly useful for the manufacture of dry-bonded laminates, tapes, labels, medical patches and devices, flexible packages, furnace ducts, exterior insulating finish system and the like.

Abstract: A surfactant for forming stable dispersions of rosin esters compatible with elastomeric latexes, the surfactant having the formula R1—R2—R3. R1 and R3 are each rosin (i.e., rosin, rosin dimer or a mixture of rosin and rosin dimer). R2 is selected from the group consisting of polyethylene glycol and polyethylene glycol-R4-polyethylene glycol wherein R4 is rosin (i.e., rosin, rosin dimer or a mixture of rosin and rosin dimer). The surfactant is prepared by esterifying the rosin material with polyethylene glycol.

Abstract: The present invention relates to solvent free, moisture-curable, reactive hot melt adhesive compositions that are solid at room temperature, methods of making the compositions, and laminates prepared using the compostions. The compositions are a mixture comprising an isocyanate terminated prepolymer and a thermoplastic vinyl chloride copolymer.