Abstract: Two part cyanoacrylate/free radical curable adhesive systems, are provided.

Abstract: The present invention provides a mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers and an adhesive having the same. The mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers comprises 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon di-block copolymer, 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon tapered di-block copolymer and 10 to 80 wt. % of a conjugated diene-vinyl aromatic multi-block copolymer.

Abstract: Tall oil heads may be used in lieu of, or in combination with, conventional fatty acids in the compounding and curing of vulcanizable rubber. Tall oil heads inherently contain a significant amount of neutral materials, and their incorporation into a pre-vulcanized rubber composition allows the compounder to incorporate less aromatic oil into the composition. The composition may be made by a method comprising compounding a mixture comprising a vulcanizable elastomer, a sulfur source, and Tall Oil Heads (TOH), the TOH comprising 40-75 wt % fatty acids and greater than 10 wt % neutral materials, and heating the compounded mixture to a temperature sufficient to cause substantial crosslinking of the elastomer.

Abstract: A spackling compound is provided that is easy to apply smoothly, can be applied in thicker layers than known spackling without cracking upon drying, and can be modified after drying without pitting, flaking, or crumbling, particularly at the edges of the applied spackling patch. The composition includes polyaramid fibers that act as structural strengtheners to provide the dried composition with exceptional strength and resistance to cracking. In a second embodiment, the composition further includes low aspect ratio (about equal to 1) ceramic microparticles that fill voids in the mixture to produce a smoother, more dense composition. Upon drying, the ceramic microparticles produce a very smooth surface that can be sanded without flaking or crumbling. Additionally, the invention provides methods of preparing and using the compositions to produce smooth repair patches with no cracks, are easy to sand without pitting or flaking, and to provide improved structural integrity to the repaired area.

Abstract: A flame retardant resin composition consisting essentially of: (A) 100 parts by weight of the total of resin components (components A) which include at least 60 wt % of an aromatic polyester resin; (B) an organic phosphorus compound (component B-1) represented by the following general formula (1) and having an acid value of 0.7 mgKOH/g or less or an organic phosphorus compound (component B-2) represented by the following general formula (2); (C) 0 to 50 parts by weight of a flame retardancy improving resin (component C); and (D) 0 to 200 parts by weight of a filler (component D), and a molded article thereof. Wherein, when the organic phosphorus compound is the component B-1, the amount of the component B-1 is 1 to 100 parts by weight and when the organic phosphorus compound is the component B-2, the component B-2 is used in combination with a biscumyl compound (component B-3), the amount of the component B-2 is 5 to 30 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.

Abstract: A mixture comprising a surfactant and a cosurfactant is proposed wherein the cosurfactant used is an amphiphilic comb polymer having a backbone with two or more side chains attached to the backbone, where the side chains differ from one another and/or the side chains differ from the backbone in their amphiphilic character.

Abstract: A corrosion inhibiting mixture is disclosed comprising a carrier, a volatile corrosion inhibitor and a tracing agent which absorbs light in the ultraviolet and violet region of the electromagnetic spectrum, and re-emits light in the blue region of the electromagnetic spectrum.

Abstract: A polymer for forming an organic anti-reflective coating layer between an etching layer and a photoresist layer to absorb an exposure light in a photolithography process and a composition comprising the same are disclosed. The polymer for forming an organic anti-reflective coating layer has repeating units represented by wherein, R is a substituted or non-substituted alky group of C1 to C5.

Abstract: Disclosed are adhesives and processes for preparing the same, comprising at least one first homogeneous ethylene/?-olefin interpolymer, and optionally at least one tackifier, and optionally at least one plasticizer. The claimed adhesives are useful as adhesives such as are employed in various applications, such as in masking tape, clear office tape, labels, decals, bandages, decorative and protective sheets (such as shelf and drawer liners), floor tiles, sanitary napkin/incontinence device placement strips, sun control films, the joining of gaskets to automobile windows, packaging, bookbinding, construction of nonwoven articles, and insulation bonding.

Abstract: Disclosed are liquid crystalline polymer compositions, which are melt moldable, and which contain a perfluorinated polymer, and a particulate aramid, and optionally contain hollow glass or quartz spheres, and which usually have low dielectric constants. They are particularly useful as electrical connectors and substrates for other electronic applications which use high frequency signals.

Abstract: Novel thickeners for oil-containing compositions are crystalline polymers, preferably side chain crystalline polymers, which (a) have a crystalline melting point, Tp, and an onset of melting temperature, To, such that Tp?To is less than Tp0.7; (b) are soluble in the oil at temperatures above Tp, and (c) have been dispersed in the oil by a process which comprises (i)dissolving the polymer in the oil at a temperature above Tp, and (ii) cooling the solution from step (i) to crystallize the polymer in the oil.

Abstract: A flame retardant resin composition consisting essentially of: (A) 100 parts by weight of the total of resin components (components A) which include at least 60 wt % of an aromatic polyester resin; (B) an organic phosphorus compound (component B-1) represented by the following general formula (1) and having an acid value of 0.7 mgKOH/g or less or an organic phosphorus compound (component B-2) represented by the following general formula (2); (C) 0 to 50 parts by weight of a flame retardancy improving resin (component C); and (D) 0 to 200 parts by weight of a filler (component D), and a molded article thereof. Wherein, when the organic phosphorus compound is the component B-1, the amount of the component B-1 is 1 to 100 parts by weight and when the organic phosphorus compound is the component B-2, the component B-2 is used in combination with a biscumyl compound (component B-3), the amount of the component B-2 is 5 to 3.0 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.

Abstract: An air hydrous cross-linking compound which is liquid at ambient temperature. The cross-linking compound includes at least one element chosen from Group VI-A of the periodic table of elements and a natural or synthetic polymer.

Abstract: The invention relates to the use of a thermally insulating composition in the form of crosslinked polyurethane elastomer gel, obtained by reacting at least one polyol and at least one polyisocyanate in the presence of at least one inert organic filler, for the thermal insulation of pipeline systems present in a product-transfer conduit.

Abstract: Thickeners for oil-containing compositions, particularly cosmetic and personal care compositions, are side chain crystalline polymers which are uniformly dispersed as a crystallized solid in the oil.

Abstract: The present invention is a thermoplastic elastomeric resin granule for powder molding having a longer diameter of 400 ?m or less and a ratio of the longer diameter to a shorter diameter of from 3:1 to 1:1, wherein said granule comprises a composition prepared by dynamically vulcanizing 100 parts by weight of (a) a block copolymer consisting of at least two polymeric blocks (A) composed mainly of a vinyl aromatic compound and at least one polymeric block (B) composed mainly of a conjugated diene compound, and/or a hydrogenated block copolymer obtained by hydrogenating said block copolymer, 20 to 300 parts by weight of (b) a non-aromatic softening agent for rubber, and 10 to 150 parts by weight of (c) a peroxide-decomposing olefinic resin and/or a copolymer thereof. The resin granule has excellent fluidity in a powder molding.

Abstract: A high damping elastomer composition that has a high damping capability and is superior in the temperature dependency of rigidity. The high damping elastomer composition has at least one styrene block polymer as a main component. The ratio of a diblock component in the overall styrene block polymer is in the range of 50 to 95 wt. %.

Abstract: Excellent tracking index as well as flame-resistant properties are achieved with other desirable characteristics of LCPs in a resin composition consisting essentially of: a) a wholly aromatic polyester which is melt processible and which displays anisotropy in the molten state; b) a non-conductive filler material having a diameter of less than about 3 m, with said non-conductive filler material being present in an amount sufficient to increase the comparative tracking index (CTI) rating of said composition to above 220 volts and render the composition non-burning. Optionally, an extraordinarily small amount of non-volatile fluorescent brightener can be added to the resin composition. In combination with the non-conductive filler, the fluorescent brightener is found to surprisingly and significantly improves the flame-retardant property of the resin. Such compositions are advantageously employed in electrical and electronic apparatuses.

Abstract: The present invention provides an acrylic pressure sensitive adhesive composition having an element with a positive stress optical coefficient for a polarizing film and a polarizing film using the same.

Abstract: Novel pigment compositions comprising pigmentary salts and polymers are provided. Pigmentary salts of triphenylmethane dyes are co-precipitated with polyfunctional polymeric acids to form pigment compositions having greatly increased hydrophilicity, dispersability and compatibility with water/polymeric dye vehicles. Processes for forming these pigment compositions are also provided.

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: Prepolymer formulations having improved oil compatibility are disclosed. The prepolymer formulations are fabricated with flexible polyether diol. The prepolymer formulations are useful, for example, as binder material for polyurethane foam crumb.

Abstract: There is provided an adhesion type denture adhesive having superior cleanability, which can be easily removed from a denture base and an oral mucosa for cleansing after the use, while possessing a superior force for stabilizing a denture. The denture adhesive containing a water-soluble polymer as a main ingredient, and containing 0.5 to 60% by weight of an alginate and 0.1 to 20% by weight of calcium sulfate contained therein.

Abstract: An adhesive composition that contains a preservative is particularly useful as a medical adhesive and can include alkyl cyanoacrylate monomers. The preservative is preferably soluble in the monomer. The composition may optionally be sterilized by placing a mixture of a polymerizable adhesive monomer and a preservative in a container, sealing the container, and sterilizing the mixture and the container.

Abstract: A drag-reducing polymer is described, along with a method for manufacturing the drag-reducing polymer. The drag-reducing polymer is manufactured by bulk polymerizing a vinyl aromatic with an &agr;-olefin, wherein the &agr;-olefin has a carbon chain length of between two and twenty carbons. A drag-reducing polymer suspension and drag-reducing polymer solution are also described.

Abstract: A process oil which satisfies the requirements of (a) a content of a polycyclic aromatic compound of less than 3% by weight, (b) a content of an aromatic hydrocarbon of 18% by weight or more, (c) a content of a polar compound ranging from 11 to 25% by weight, (d) a kinematic viscosity at 100° C. ranging from 10 to 70 mm2/s, and (e) a flash point of 210° C. or more.

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: This invention relates to a removable grade hot melt pressure sensitive adhesive comprising from about 5% to about 30% by weight of the adhesive of a block copolymer having styrene endblocks and ethylene/butylene or ethylene/propylene midblocks and having a coupling efficiency of less than about 65% and a melt index of greater than about 20 grams/10 minutes; from about 10% to about 50% by weight of the adhesive of at least one block copolymer having styrene endblocks and a coupling efficiency from about 65% to about 100%; from about 20% to about 60% by weight of the adhesive of a tackifying resin and from about 10% to about 40% by weight of the adhesive of a liquid plasticizing oil.

Abstract: The present invention relates to a substrate for information recording media, which comprises aromatic polycarbonate resin composition comprising: 100 parts by weight of an aromatic polycarbonate resin having a viscosity-average molecular weight of 10,000 to 40,000, and 0.01 to 40 parts by weight of a biphenyl compound, a terphenyl compound or a mixture thereof.

Abstract: The present invention relates to laser-markable plastics of which a feature is that they comprise as dopant anthracene- or pentaerythritol-coated effect pigments or a mixture comprising one or more effect pigments and anthracene and/or pentaerythritol.

Abstract: The present invention teaches a method for enabling the formation of a high damping, soft polymer gel. The method includes: reacting a poly(alkenyl benzene-co-maleimide) polymer with a maleated polyalkylene and an alkyl diamine under substantially dry conditions sufficient to form a polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product; and, dispersing the polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product with an extender oil sufficient to form the gel. The present invention also contemplates a polymer gel composition, a polymer composition and an article manufactured from the polymer gel composition.

Abstract: A non-birefringence optical resin material is obtained by forming a transparent matrix from a polymeric resin having an orientation birefringence with a positive or negative sign, adding a low molecular weight substance exhibiting an orientation birefringence with a sign opposite to that of the orientation birefringence of the polymeric resin for the matrix and thus offsetting the orientation birefringence of the polymeric resin for the matrix with the orientation birefringence of the low molecular weight substance.

Abstract: Novel hot melt construction adhesives for disposable articles, such as diapers, sanitary napkins, medical gowns, surgical drapes, and the like, are described which offer superior properties versus currently available hot melt adhesives. These hot melt construction adhesive compositions comprise a blend of styrene-isoprene block copolymer containing at least about 25 weight percent styrene and styrene-butadiene block copolymer containing at least about 25 weight percent styrene, at least one compatible tackifying resin and at least one plasticizer. The hot melt construction adhesive possesses a viscosity no greater than about 25,000 mPa·s at about 140° C., a shear adhesion failure temperature of at least about 60° C., and a static shear time to failure of no less than about 25 hours at about 23°.

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: A hot melt pressure sensitive adhesive comprising a) from about 15% to about 40% by weight of a block copolymer having a coupling efficiency of less than about 75%; b) from about 20% to about 50% by weight of a tackifying resin selected from the group consisting of those tackifying resins having a softening point of less than about 100° C.; c) from about 30% to about 50% by weight of a plasticizing oil; and d) up to about 15% of a compatible polymer wherein the total polymer content does not exceed 40% by weight of the adhesive wherein the hot melt pressure sensitive adhesive fails cohesively during use.

Abstract: Binding-agent solutions for printing inks include of resin and solvent that contain from 10 to 70% by weight of one or more aromatic polymers with a softening point above 120.degree. C. and from 90 to 30% by weight of a solvent mixture, consisting of a mineral-oil fraction with a boiling range of from 200 to 550.degree. C. and of an alkylaromatic mixture of mono-, di-, tri and tetraisopropyl naphthalenes, whose aromatic carbon content lies in the range of from 20 to 60% of the total carbon.

Abstract: The present invention is directed to hot melt pressure sensitive adhesive compositions, that exhibit excellent adhesion properties and improved thermal stability, said compositions comprising:a) 1 to 30 parts of styrene-butadiene-styrene triblock copolymer;b) 1 to 30 parts of styrene-isoprene-styrene triblock copolymer;c) 5 to 50 parts of a tackifier compatible with the butadiene and isoprene midblocks, but not compatible with the styrene end blocks;d) 5 to 70 parts of a tackifier compatible with the butadiene and isoprene midblocks, and the styrene end blocks;e) 5 to 30 parts of a tackifier compatible with the styrene end blocks, but not compatible with the butadiene and isoprene midblocks;f) 5 to 30 parts oil; andg) 0 to 5 parts wax.

Abstract: A method for producing a fast drying high solids adhesive wherein a water based polymer emulsion (latex) is modified with unemulsified elasticizing oils and reinforcing-tackifying resins to produce a stable emulsion of polymer, oil and resin without the use of additional emulsifiers or volatile organic solvents. When packaged in pressurizable canisters along with a suitable propellant, the adhesive may be sprayed through a suitable nozzle and deposited in a thin layer to form an adhesive film which has excellent bonding characteristics for many laminates such as fabric or textiles, wood, plastics, metals and rubber, and for adhering flooring materials such as carpet, linoleum, tiles and artificial grass to a variety of substrates.

Abstract: This invention relates to a durable gravure ink composed of a pigment with high weather resistance, a pigment with high alkali resistance, and a binder with high weather resistance and high alkali resistance, and a technique for producing a decorative material using this ink. According to this invention, a decorative material having a pattern layer excellent in both of weather resistance and alkali resistance is provided.

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: The present invention provides a newspaper printing ink that has rub off resistance; is fast drying on the paper; does not mist or dry on the press; offers excellent printability, high color strength, good water balance, and sharp half tone reproduction; and is relatively inexpensive. The present invention provides an ink concentrate suitable for preparing the printing ink, the ink concentrate comprising a colorant having a particle size of from about 0.01 .mu.m to about 25 .mu.m, a hydrocarbon resin, and a binder resin selected from the group consisting of a polyamide-oil polymer and a polyester-oil polymer. The present invention further provides a printing ink comprising a colorant having a particle size of from about 0.01 .mu.m to about 25 .mu.m, a vegetable oil, a polyamide-oil polymer, and a styrene-acrylic copolymer. The present invention further provides a printing ink comprising a naphthenic oil, a colorant having a particle size of from about 0.01 .mu.m to about 25 .mu.

Abstract: A method for producing a fast drying high solids adhesive wherein a water based polymer emulsion (latex) is modified with unemulsified elasticizing oils and reinforcing-tackifying resins to produce a stable emulsion of polymer, oil and resin without the use of additional emulsifiers or volatile organic solvents. When packaged in pressurizable canisters along with a suitable propellant, the adhesive may be sprayed through a suitable nozzle and deposited in a thin layer to form an adhesive film which has excellent bonding characteristics for many laminates such as fabric or textiles, wood, plastics, metals and rubber, and for adhering flooring materials such as carpet, linoleum, tiles and artificial grass to a variety of substrates.

Abstract: The present invention relates to a low VOC solvent based adhesive comprising a mixture of at least two organic solvents and a thermoplastic resin. Desirably the adhesive has a flash point of at least 100.degree. F. when measured in accordance with ASTM D3828-87. The solvent blend of the low VOC solvent based adhesive of the instant invention volatilizes at substantially reduced rates as compared to conventional solvent blends in solvent based adhesives. Furthermore, this novel low VOC solvent based adhesive is easy to apply, cost effective, and cures within a reasonable time without the use of heat, ultraviolet light or other mechanical devices. In addition, the novel low VOC solvent based adhesive has good storage stability in metal or non-metal containers.

Abstract: Oriented gels aliened by controlled stretching during the gel's transition from a heated, extremely viscous, non melting, non flowing state and the cooled solid gel state produces strong gels which are found to have greater tensile strength than gels of the same rigidity which have not been stretched to a selected degree during its heating and cooling histories. Gels which are selectively stretched during its (non melt flowing) heated state and rapidly cooled by flowing air, cold liquid bath or in contact with a cool surface exhibit optical birefringence when viewed under plane-polarized light.

Abstract: This invention relates to a removable grade hot melt pressure sensitive adhesive comprising from about 5% to about 30% by weight of the adhesive of a block copolymer having styrene endblocks and ethylene/butylene or ethylene/propylene midblocks and having a coupling efficiency of less than about 65% and a melt index of greater than about 20 grams/10 minutes; from about 10% to about 50% by weight of the adhesive of at least one block copolymer having styrene endblocks and a coupling efficiency from about 65% to about 100%; from about 20% to about 60% by weight of the adhesive of a tackifying resin and from about 10% to about 40% by weight of the adhesive of a liquid plasticizing oil.

Abstract: A process is provided for the preparation of a bitumen-polymer composition which comprises(a) producing at a temperature of between 100.degree. C. and 230.degree. C., a mixture of(i) a bitumen(ii) a linear block copolymer of styrene and a conjugated diene, the block copolymer being used in a quantity of from 0.5% to 25% by weight of bitumen and having a weight-average molecular weight of between 170,000 and 250,000 and a structure of A-B-A with A denoting a polymer block consisting of a polystyrene block which may be extended on the B side by a random copolymer of styrene and of the conjugated diene and B denoting a polymer block consisting of conjugated diene units, and(iii) a coupling agent containing at least one sulphur-donor compound and used in an amount to provide a quantity of sulphur representing, by weight, 0.1% to 10% of the weight of the linear block copolymer of styrene and conjugated diene; and(b) keeping the mixture thus produced at a temperature of between 100.degree. C. and 230.degree. C.

Abstract: A modified coal tar pitch useful in roofing applications, containing coal tar pitch, and a nitrile butadiene rubber, is blended by heating the coal tar pitch to a molten temperature, adding the rubber in powder form and agitating the material in a suitable high shear mixing apparatus until adequate phase inversion occurs between the polymer and the coal tar phase. After preparation, the material is cooled in containers until use, at which time it is heated to a flowable temperature and applied using a roofing mop or squeegee.

Abstract: Compositions and methods for improving the characteristics of foundry cores which includes adding to the foundry aggregate mixture one or more biphenyl compounds.

Abstract: A significantly improved plasticizer-polymer composition embraces a polymer containing a di-, tri- and/or tetra-ethyl-, propyl- and/or butylbiphenyl plasticizer which constitutes the major proportion by weight of any other plasticizing/softening additive, provided that the polymer is not polyvinyl chloride and when the polymer is an elastomer or rubber, or is a polystyrene, said plasticizer is diisopropylbiphenyl and/or triisopropylbiphenyl, and when the polymer is of a plastisol, essentially no ester plasticizing additive is present. As well, a polymer fabrication composition comprises a monomer and/or oligomer component in combination with said plasticizer. A method for preparing the plasticizer-polymer composition and/or the fabrication composition comprises contacting the monomer and/or oligomer component with said plasticizer, mixing to provide a uniform mixture, and carrying out further processing as may be desired so as to optionally prepare the plasticized-polymer composition.

Abstract: Compositions and methods for improving the characteristics of foundry cores which includes adding to the foundry aggregate mixture one or more biphenyl compounds.