Abstract: A lap edge sealant composition is provided for adhering together overlapping sheets of roofing material which includes a rubbery polymer such as EPDM, a thermoplastic rubber, a tackifier, and a solvent, where the solvent is selected from aliphatic hydrocarbons, para-chlorobenzotrifluoride, or blends thereof. The lap edge sealant has a high solids content of about 65 to 90%, a volatile organic compound (VOC) content of less than about 250 g/l, and exhibits no more than about 35% shrinkage upon curing.

Abstract: The present invention is an improved block copolymer composition for extruding films having excellent stress relaxation and increased retained tension or load at elevated temperatures. The compound is comprised of: (a) from 52 to 60 percent by weight of a block copolymer having at least two polystyrene endblocks and a midblock of hydrogentated polymerized butadiene which has a vinyl content of 45 percent by weight or less (b) from 13 to 22 percent by weight of polystyrene, and (c) from 19 to 28 percent by weight of oil.

Abstract: The present invention relates to a powder coating material which contains preferably from 0.05 to 5% by weight, preferably from 0.5 to 2% by weight, of at least one polyethylene wax distributed homogeneously within the powder coating material.

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition containing an acrylic polymer and a tackifier resin inherently obtained by acid modification of a tackifier free of an acid component; a pressure-sensitive adhesive tape including a substrate made of a film comprising an olefin polymer or a thermoplastic resin containing a carbonyl oxygen atom in the molecular skeleton, and the acrylic pressure-sensitive adhesive composition on at least one surface of the substrate, and the like. The invention provides an acrylic pressure-sensitive adhesive composition having high adhesive strength (particularly initial adhesive strength) to an adherend having lower polarity, such as an olefin polymer heretofore been considered poorly adhesive, wherein degradation of the adhesive strength after heating and preservation has been suppressed, as well as a pressure-sensitive adhesive tape comprising the composition.

Abstract: A reactive polyurethane hot melt adhesive having improved green strength which contains an acrylic resin and/or an acrylic polyol and an aliphatic C5-C10 oligomer.

Abstract: The present invention provides a method for using a polymeric cement to assemble medical devices. The method includes the steps of: (1) providing a first article of a low crystallinity polymer; (2) providing a second article of a low crystallinity polymer; (3) providing a cement composition having a first component of a cyclic olefin containing polymer or a bridged polycyclic hydrocarbon containing polymer and a second component of an effective amount of a solvent having a solubility parameter of less than about 20 (MPa)1/2; applying the cement composition to one of the first and second articles to define a bonding area; and (4) attaching the first article to the second article along the bonding area to fixedly attach the first article to the second article.

Abstract: An oil-extended rubber comprising 100 weight parts of a rubber ingredient comprising a conjugated diene rubber wherein the ratio (Mw/Mn) of weight average molecular weight (Mw) to number average molecular weight (Mn) is in the range of 1.2 to 2.2, and the conjugated diene monomer units have a vinyl bond unit content of at least 20%, and 5-100 weight parts of a process oil having a total acid value of not larger than 1.0 mgKOH/g, a pour point of not higher than 50° C. and an aromatic carbon content of at least 20%. A rubber composition comprising 100 weight parts of the above-mentioned rubber ingredients, 5-100 weight parts of the process oil and 10-200 weight parts of a reinforcing agent. This rubber composition gives a crosslinked article having high tensile strength, high abrasion resistance and reduced heat build-up, and is useful, for example, as an automobile tire material.

Abstract: The present invention provides an adhesive composition comprising: an amorphous polyalphaolefin 50-90; a tackifier 10-40%; a functional polypropylene trace −20%; and optional further ingredients selected from stablisers, fillers and waxes; wherein the proportions of the amorphous polylphaolefin, tackifier and functionalised polypropylene are selected to total 100%. The invention also provides a method of forming polypropylene packaging by use of the adhesive.

Abstract: The antifouling composition of the present invention includes a glassy matrix formed by crosslinking a mixture of a silanol-terminated silicone and an alkoxy functionalized siloxane to provide an interpenetrating polymer network of glass and silicone and at least two materials capable of microphase separation, at least one of which is graftable to the glassy matrix.

Abstract: Novel gelatinous compositions and articles are formed from an intimate melt blend admixture of one or more of a high viscosity poly(styrene-ethylene-butylene-styrene), poly(styrene-ethylene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene)n, and poly(styrene-ethylene-propylene)n triblock and branched copolymers and high levels of a plasticizing oil.

Abstract: A coating composition for fabrics includes wetted microspheres containing a phase change material dispersed throughout a polymer binder, a surfactant, a dispersant, an antifoam agent and a thickener. Preferred phase change materials include paraffinic hydrocarbons. The microspheres may be microencapsulated. To prepare the coating composition, microspheres containing phase change material are wetted and dispersed in a dispersion in a water solution containing a surfactant, a dispersant, an antifoam agent and a polymer mixture. The coating is then applied to a fabric.

Abstract: The present invention is drawn to hot-melt adhesives for bonding vitreous plastic materials to thermoplastic or thermosetting plastic materials, and to the use of these adhesives for making vehicle lamps or headlamps comprising lenses, especially bearing a scratch-proofing coating, made of a vitreous plastic material, and lamp bodies made of a thermoplastic or thermosetting plastic material, where the lenses and lamp bodies are bonded together with these hot-melt adhesives. The hot-melt adhesives of this invention are characterized in that they contain: a) from 0.5 to 15% by weight of optionally grafted thermoplastic elastomers; b) from 5 to 40% by weight of optionally grafted poly-&agr;-olefins except polyisobutylene; c) from 5 to 45% by weight of adhesive resins; and d) from 5 to 55% by weight of polyisobutylenes.

Abstract: The antifouling composition of the present invention includes a glassy matrix formed by crosslinking a mixture of a silanol-terminated silicone and an alkoxy-functionalized siloxane to provide an interpenetrating polymer network of glass and silicone and at least two materials capable of microphase separation, at least one of which is graftable to the glassy matrix. A primer composition is also provided and is a mixture of an epoxy, an alkoxy-functionalized siloxane and a silane capable of compatabilizing the epoxy and the alkoxy-functionalized siloxane; a glassy matrix formed by crosslinking a mixture of a silanol-terminated silicone and an alkoxy-functionalized siloxane.

Abstract: A polymer gel composition having a Shore A hardness less than 20. The polymer gel composition includes a polymer having at least 2 blocks derived from a vinyl-substituted aromated hydrocarbon, a R1R2ethylene, an alkyl vinyl ether, a maleimide, and a conjugated diene. At least one hydrophobic filler is included and, optionally, an extender. If maleimide is chosen, a maleated polyalkylene and a grafting agent are also included in the polymer composition.

Abstract: The present invention is a hot melt pressure sensitive positioning adhesive for use with an absorbent article. The adhesive comprises: (a) from 6 to less than 15 percent by weight, of the total of (a), (b) and (c) of a blend of (i) from 40 to 95% by weight of a hydrogenated styrene-(butadiene and/or isoprene)-styrene block copolymer; and (ii) from 5 to 60% by weight of a blend of a hydrogenated styrene-isoprene-styrene-isoprene block copolymer; and (iii) from 0 to 40% by weight of an amorphous ethylene/propylene copolymer having a number average molecular weight of 9,000 to 30,000; and (b) from 50 to 80 percent by weight, of the total of (a), (b) and (c), of a tackifying resin which has an aromaticity such that the MMAP cloud point is at least 45° C.; and (c) from 5 to 35 percent by weight, of the total of (a), (b) and (c), of a plasticizer.

Abstract: A silicone sealant composition containing: (a) a moisture curable organopolysiloxane component, comprising a mixture or reaction product of (i) an organopolysiloxane polymer having hydrolyzable substituent groups and (ii) a polyfunctional silicon compound having two or more hydrolyzable substituent groups, (b) a filler and (c) a hydrocarbon fluid comprising, based on 100 parts by weight of the hydrocarbon fluid, greater than 40 parts by weight cyclic paraffinic hydrocarbons and less than 60 parts by weight noncyclic paraffinic hydrocarbons, exhibits improved tensile, elongation and adhesive properties.

Abstract: A pressure sensitive adhesive composition suitable for medical purposes comprising a rubbery elastomeric base and one or more water soluble or water swellable hydrocolloids, the adhesive composition comprising a substantially homogeneous mixture of 15-60% of a butyl rubber, 15-60% of one or more tackifier resins, 1-10% of a tackifying liquid constituent, 20-60% of one or more hydrocolloids and 0-3% of a pigment shows very good properties as an adhesive for ostomy appliances.

Abstract: The invention provides a golf ball cover stock based on a heated mixture of (a) an ionomer resin, (b) polyethylene, and (c) an epoxy group-modified polyolefin or (d) a low molecular weight polyethylene wax. Component (c) or (d) improves the dispersion of polyethylene in the ionomer resin so that a larger amount of polyethylene may be blended in micro-dispersion form. A golf ball having a cover made of the cover stock is durable and wear resistant and offers a good feel when hit.

Abstract: The present invention relates to a polymer particle having a wax phase and a second phase. The wax phase includes a wax having a melting point of greater than 30° C. and comprising greater than 80% by weight of the wax phase. The second phase, free of ionic charge groups, includes a mono-alpha, beta-ethylenically unsaturated monomer free of ionic charge groups capable of addition polymerization to form a water soluble homopolymer including from 1 to 40% by weight of the second phase and a mono-alpha, beta-ethylenically unsaturated monomer capable of addition polymerization to form a water insoluble homopolymer.

Abstract: A conjugated diolefin copolymer rubber and a rubber composition which can produce vulcanized products exhibiting well-balanced improved properties such as wet skid properties, low hysteresis loss properties, abrasion resistance, and breaking strength irrespective of the types and combinations of fillers to be added, and is useful as a tread material for low fuel consumption tires, large tires, and high performance tires. A conjugated diolefin copolymer rubber is prepared by the copolymerization of a conjugated diolefin and a vinyl aromatic compound, and (1) has a content of the bonded vinyl aromatic compound of 5-50 wt %, (2) contains 0.01-5.0 mmol of an alkoxysilyl group having substantially non-hydrolyzable Si—O—R bond (wherein R indicates a hydrocarbon group having 4-20 carbon atoms) and 0.01-2.0 mmol of a tin-carbon bond for 100 g of the copolymer rubber, and (3) has a polymodal-type molecular weight distribution.

Abstract: The invention relates to polyisocyanates and/or polyisocyanate-reactive materials containing at least some d-limonene. The invention further relates to emulsifiable polyisocyanates containing at least some d-limonene. The polyisocyanates and/or polyisocyanate-reactive materials containing d-limonene can be used as a coating material. The obtained coating material comprises a polyisocyanate-derived polymer containing d-limonene.

Abstract: Base rubber containing 70-100 wt % of styrene-butadiene rubber whose glass transition temperature (Tg) is higher than −33° C. and less than −10 ° C., a vulcanizing agent, and compounding agents added to the base rubber as necessary are kneaded. A mixture obtained by kneading them is put in a forming die. While the mixture is being injection-molded or press-molded, the base rubber is vulcanized to form an outsole.

Abstract: Novel fluffy, solid, strong elastic gels exhibiting resistance to elastic deformation, capable of shape-memory recovery, being dimensionally stable and having a density of at least less than about 0.60 g/cm3, a gel rigidity of from about 20 to about 3,000 gram Bloom, and an elongation of at least 200% can be formed with or physically interlocked with selected material substrates to form composites including any sequential additions or permutations of said combinations of gels and substrates.

Abstract: An apparatus and method for metabolic cooling and insulation of a user in a cold environment. In its preferred embodiment the apparatus is a highly flexible composite material having a flexible matrix containing a phase change thermal storage material. The apparatus can be made to heat or cool the body or to act as a thermal buffer to protect the wearer from changing environmental conditions. The apparatus may also include an external thermal insulation layer and/or an internal thermal control layer to regulate the rate of heat exchange between the composite and the skin of the wearer.

Abstract: An oil ink for stencil printing includes oil solvent, a structural viscosity imparting material and a resin component. The resin component includes solid resin not lower than 1 in hexane tolerance and/or alkyd resin 60 to 90 in oil length and not larger than 80 in iodine value. The viscosity of the oil ink is in the range of 10 Pa·s to 50 Pa·s (at the shear rate of 10/s).

Abstract: An antifouling coating formulation includes a first part making up the matrix of the coating. The first part is a silicone-modified titanium silicate glass. A second part of the formulation serves to prevent barnacles and other organisms from attaching to the coating and includes a combination of liquid polymers, oils, or liquid waxes which are incompatible and will phase separate after the mixing. The materials have a chemically reactive group which serve to graft the materials into the matrix. An optional third part of the formulation includes a compound which prevents or inhibits slime formation.

Abstract: A curable polymer composition comprising (a) an oxyalkylene polymer having a silicon-containing group which has a hydroxyl or hydrolyzable group bonded to the silicon atom and can be crosslinked through a silanol condensation reaction, and (b) a paraffinic hydrocarbon, which composition provides a cured material having improved tack which remains on the surface of the cured material.

Abstract: The subject invention is directed to polymer compositions which comprise a homogeneous ethylene/&agr;-olefin interpolymer, a wax and a nucleating agent, wherein the nucleating agent is provided in an effective amount such that the percent elongation at break of the polymer composition is at least about fifty percent greater than the percent elongation at break of a comparative composition which lacks the nucleating agent. The polymer compositions of the invention will find utility in applications r equiring high elongation at break, while maintaining a high onset of crystallization temperature, such as in the high-speed coating of fabrics, carpet backing, floor tile and sheeting, and adhesives.

Abstract: The present invention relates to a pressure-sensitive hot-melt adhesive composition characterized in that it includes a) at least one ethylene-alkyl acrylate copolymer, b) a tackifying resin and c) optionally a diluent and/or a stabilizer and/or a wax. Such a composition may be employed advantageously in the field of hygiene, especially for the adhesive bonding of disposable nappies and of catamenial liners.

Abstract: A lap edge sealant composition is provided for adhering together overlapping sheets of roofing material which includes a rubbery polymer such as EPDM, a thermoplastic rubber, a tackifier, and a solvent, where the solvent is selected from aliphatic hydrocarbons, para-chlorobenzotrifluoride, or blends thereof. The lap edge sealant has a high solids content of about 65 to 90%, a volatile organic compound (VOC) content of less than about 250 g/l, and exhibits no more than about 35% shrinkage upon curing.

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: A curable polymer composition comprising (a) an oxyalkylene polymer having a silicon-containing group which has a hydroxyl or hydrolyzable group bonded to the silicon atom and can be crosslinked through a silanol condensation reaction, and (b) a paraffinic hydrocarbon, which composition provides a cured material having improved tack which remains on the surface of the cured material.

Abstract: This invention relates to a rubber composition composed of high Tg diene-based elastomers and which contains a high Tg liquid polymer of high vinyl polybutadiene and to such a composition being sulfur cured. The invention also relates to a tire having a tread of such rubber composition.

Abstract: A coating composition for fabrics includes wetted microspheres containing a phase change material dispersed throughout a polymer binder, a surfactant, a dispersant, an antifoam agent and a thickener. Preferred phase change materials include paraffinic hydrocarbons. The microspheres may be microencapsulated. To prepare the coating composition, microspheres containing phase change material are wetted and dispersed in a dispersion in a water solution containing a surfactant, a dispersant, an antifoam agent and a polymer mixture. The coating is then applied to a fabric.

Abstract: Disclosed are hot melt adhesives comprising ethylene/alpha-olefin copolymers prepared with either supported or unsupported metallocene-alumoxane catalysts for applications in hot melt adhesives used in automotive product assembly, packaging and food packaging. These ethylene copolymers have weight average molecular weight ranging from about 20,000 to about 100,000 and comonomer weight percent ranging from about 6 to about 30. The hot melt adhesive composition includes the ethylene copolymer and a compatible tackifier at a ratio of tackifier to copolymer of from 70:30 to 30:70 and may also include up to 30 weight percent of a paraffinic and microcrystalline wax of the copolymer and tackifier.

Abstract: A coating composition for fabrics includes wetted microspheres containing a phase change material dispersed throughout a polymer binder, a surfactant, a dispersant, an antifoam agent and a thickener. Preferred phase change materials include paraffinic hydrocarbons. The microspheres may be microencapsulated. To prepare the coating composition, microspheres containing phase change material are wetted and dispersed in a dispersion in a water solution containing a surfactant, a dispersant, an antifoam agent and a polymer mixture. The coating is then applied to a fabric.

Abstract: There are disclosed a gel or polymer composition which comprises 100 parts by weight of a polymer blend component comprising 1 to 90% by weight of a poly(vinyl aromatic hydrocarbon) polymer having a syndiotactic configuration and 99 to 10% by weight of a rubbery elastomer and at least 30 parts by weight of an extender oil or a low molecular weight organic component. These gel compositions have super soft properties, heat resistance, and/or damping properties.

Abstract: Provided are a flame retardant polycarbonate resin composition and housings of the composition for electric and electronic instruments and appliances. Having good fluidity and good moldability, the composition can be well molded into thin-wall moldings with good appearance. The composition contains additive components of a fibrous filler, a terpene resin, a composite rubber-based graft copolymer, a halogen-free phosphate compound and a polytetrafluoroethylene.

Abstract: A hot melt composition comprising a specific ratio of: (a) an ethylene copolymer resin; (b) a modified aromatic petroleum resin having a specific weight-average molecular weight and produced by copolymerization using a Friedel-Crafts catalyst from a specific ratio of: (1) a polymerizable component of the thermal cracked oil fraction having boiling points in a specific range and obtained by the thermal cracking of petroleum hydrocarbons, and containing vinyltoluene and indene at specific contents, (2) a turpentine oil having a specific diene value, and (3) a phenol compound; and (c) a wax. It is possible to develop a hot melt composition having excellent heat stability and improved adhesion resistance to heat, which can be used as hot melt coating, printing ink, adhesive, and sealant, etc.

Abstract: The present invention provides for methods and compositions for removing stickies and pitch from papermaking fiber by first chemically treating the papermaking fiber with a composition of at least two of an oil-soluble or water-dispersible hydrophobic polymer, an oil soluble or water-dispersible surfactant having an HLB of about 1 to about 10, a tackifier, and an oil soluble or water-dispersible solvent then mechanically separating the agglomerated stickies and pitch from the papermaking fiber.

Abstract: Novel gels and articles are formed from an intimate melt blend admixture of one or more of a linear or star-shaped multiblock copolymers having two or more midblock polymer chains and high levels of a plasticizing oil.The gels can be transparent and have a novel combination of properties including unexpectedly high elongation and tensile strength and excellent shape retention after extreme deformation under high velocity impact and stress conditions. The gels of this invention are extremely soft, flexible, and have elastic memory, characterized by a gel rigidity of from about less than 2 gram to about 1,800 gram Bloom and higher. These and other properties are particularly essential for the gels to have utility as composites, toys, therapeutic hand excercising grips, electrical and electronic encapsulation, shock absorbers, acoustical isolators, components for cushions, medical, sports medical, and many other uses.

Abstract: Novel crystal gels and articles are formed from one or more block copolymers having at least one crystalline midblock and high levels of a plasticizer, said midblock segment having an amount of crystallinity sufficient to achieve improvements in one or more physical properties including improved crack propagation resistance, improved tear resistance, improved resistance to fatigue and resistance to catastrophic failure not obtainable in amorphous gels.

Abstract: The use of up to about 20 parts by weight of an organic solvent selected from the group consisting of the water soluble polyalkylene glycol ethers in conventional waterborne packaging and converting adhesives provides comparable or better adhesive products with reduced environmental and health related problems.

Abstract: Disclosed are hot-melt adhesive compositions suitable for the manufacture of soft goods. They have a melt viscosity of 60,000 mPa.s or less at a temperature of 120.degree. C. and include: (a) 50 to 150 parts by weight of a styrenic block copolymer or mixtures and/or modified and/or hydrogenated derivatives thereof; (b) 20 to 450 parts by weight of a tackifying resin which, when incorporated into a reference composition, leads to the following properties:a tan .delta. value of 3.5 or less, wherein tan .delta. is defined as the ratio between the loss modulus and the storage modulus of said composition andan elastic retention on spandex fibers (300%) or natural latex rubber (200%) after 4 h at 40.degree. C. of 70% or more; anda crossover temperature of 95.degree. C. or less.Further disclosed are novel partially hydrogenated hydrocarbon resins which are useful as tackifying resins and have the following properties: (a) a R&B softening point (R&B) of 50.degree. C. to 150.degree. C.

Abstract: A vehicle for lithographic printing ink is prepared by using an improved binder resin of petroleum resin-modified phenol resin, in which the melt viscosity of the binder resin is maintained below a certain level to improve the workability in polymerization process and the misting in printing press is reduced by using the improved binder resin. In the preparation of the binder resin, acid modified hydrocarbon resin (A) is prepared by reacting components (a) mainly comprising five-membered cyclic compounds or their Diels-Alder reaction products with the components (b) comprising unsaturated carboxylic acids or their anhydrides, and said acid modified hydrocarbon resin (A) is then reacted with phenol resin (B) in which portions of the phenol resin are fed one after another, thereby producing said binder resin having the properties of: high weight average molecular weight, low melt viscosity and low ratio of melt viscosity to solution viscosity.

Abstract: An olefinic thermoplastic elastomer composition, which comprises a mixture comprising:(1) 100 parts by weight of an olefinic elastomer comprising ethylene and at least one .alpha.-olefin having 6 to 12 carbon atoms, and having an .alpha.-olefin copolymerization ratio of 20 to 30% by weight, a density of 0.8 to 0.9 g/cm.sup.3 and a molecular weight distribution (Mw/Mn) of less than 3.0 in terms of a ratio of weight-average molecular weight (Mw) to number-average molecular weight (Mn) calculated by gel permeation chromatography (GPC),(2) 5 to 90 parts by weight of a propylenic polymer, and(3) 5 to 250 parts by weight of an oil for rubber, the mixture being crosslinked by a radical initiator or both of a radical initiator and a crosslinking promoter.

Abstract: An air bag cover for a passenger of an automobile, obtained by molding a thermoplastic elastomer composition which comprises an olefin-based resin (A) and an ethylene-.alpha.-olefin-based copolymer rubber (B), and provides a 2 mm thick molded body composed of the composition having a linear thermal expansion coefficient at a temperature of -40 to 120.degree. C. of 13.5.times.10.sup.-5 mm/m.degree.C. or less, a fracture elongation at weld part of 50% or more, and an Izod impact strength at a temperature of -50.degree. C. or more of 35 kg.multidot.cm/cm or more, or revealing Non Break.According to the present invention, there can be provided an air bag cover for a passenger side seat of an automobile, which does not cause building up or separation from surrounding parts when installed and set into a dash board of the automobile, and has excellent safety in spreading.

Abstract: This invention relates to alkenyl ether functional polyisobutylenes. This invention also relates to a method of making alkenyl ether functional polyisobutylene polymers comprising reacting a mixture comprising an alkoxysilyl-functional polyisobutylene polymer, an alkenyl ether compound, and a transesterification catalyst. This invention also relates to a method of making an alkenyl ether functional polyisobutylene polymer comprising reacting a mixture comprising a polyisobutylene containing at least one hydrolyzable group, an alkenyl ether compound, and a solvent. The alkenyl ether functional polyisobutylenes of this invention have high moisture vapor barrier, high damping characteristics, and a high refractive index.

Abstract: An elastic roller contains EPDM rubber as a main component and has a friction coefficient of not less than 2 with respect to ordinary paper and a hardness of not more than 35.degree..The amount of softening agent added to EPDM rubber which is a main component is not more than 150 parts by weight per 100 parts by weight of rubber.

Abstract: A pressure-sensitive tape is provided having a polyolefin backing, a primer comprising an elastomeric block copolymer which primer is applied from a non-aromatic hydrocarbon solvent, said tape further comprising an adhesive on the thus primed surface. Because the primer is laid down from a solution in a non-aromatic hydrocarbon solvent such as methyl cyclohexane the process utilizes an environmentally-friendly solvent.