Abstract: The invention relates to a hot sealing system comprised of an olefin polymer or of an olefin polymer A, of a methacrylate polymer B, of a graft polymer A-X consisting of the above-mentioned constituents and of a solvent or solvent mixture. The hot sealing system is characterized by having a high thermal stability and short sealing times.

Abstract: The present invention provides a method for producing a medical device, preferably an ophthalmic device, more preferably a contact lens, made of a stabilized poly(oxyalkylene)-containing polymeric material. The method of the invention comprises the steps of: curing, in a mold, a composition comprising (a) a prepolymer having at least one poly(oxyalkylene) unit, (b) a biocompatible organic multi-acid or biocompatible salt thereof in an amount sufficient to improve the stability of the poly(oxyalkylene)-containing polymer made from the composition, (c) optionally a photoinitiator or a thermal initiator, and (d) optionally one or more vinylic monomers, to form the medical device being less susceptible to oxidative degradation; and removing the medical device from the mold.

Abstract: The present invention provides polyolefin compositions that exhibit both stiffness and toughness. Polyolefin compositions according to the invention include a polyolefin homopolymer resin such as polypropylene and an impact modifying fluid that includes a nonionic surfactant and optionally a diluent such as mineral oil. The nonionic surfactant can be an ethoxylated sorbitan fatty acid ester such as ethoxylated sorbitan trioleate. Unfilled impact modified polypropylene homopolymer formed in accordance with the invention preferably exhibits a Gardner impact strength of at least 100 in-lbs, a flexural modulus of at least 40 kpsi and a tensile modulus of at least 60 kpsi.

Abstract: The draw ratio and/or rate of stretch of HDPE in film orientation can be increased, or the breakage frequency at a given draw ratio and draw rate decreased by the addition of an orientation improving amount of a normally solid fatty carboxylic acid having a melting point lower than the orientation temperature of the film.

Abstract: An aqueous dispersed polymeric composition for preparing the spill resistant carpet backing is provided. The aqueous dispersed polymeric composition of the present invention comprises an aqueous dispersed polymeric material, an inorganic filler, and a hydrophobic compound selected from the group consisting of a hydrophobic acid, a salt of a hydrophobic acid, and mixtures thereof. Alternatively, the inorganic filler is pretreated with the hydrophobic compound. Also, a kit and a method for preparing a spill resistant carpet backing from the aqueous dispersed polymeric composition is provided.

Abstract: The present invention consists of a thickener particularly useful for thickening print compositions containing inks, dyes and/or pigments for application to textile. In particular, the thickening composition is comprised of at least three components, namely, vegetable oil, polyacrylic acid polymer/copolymer, an alkali material, and optional components such as an antioxidant. The vegetable oil can contain up to 50% by weight mineral oil. The polyacrylic acid can be a polymer or copolymer. The optional antioxidant is typically an organic compound and is employed to retard or prevent deterioration of the vegetable oil. Lastly, the alkali material is employed to help gel the polyacrylic acid. The thickener composition contains about 25 to about 75% by weight vegetable oil with or without mineral oil, from about 20 to 70% by weight polyacrylic acid or acrylic copolymer, from about 3 to 25% by weight alkali material, and optionally from about 0.5 to 3% by weight antioxidant wherein the total comprises 100%.

Abstract: A water-based ink composition comprising a polybasic acid, an ionic polymer and a coloring agent. The water-based ink composition is used for a water-based ink for inkjet recording.

Abstract: A solid and/or cellular polyurethane elastomers which are produced using polyester polyols are disclosed. The elastomers which exhibit improved stability to hydrolysis are characterized in that their preparation is carried out in the presence of at least one esters of monobasic carboxylic acid or polybasic carboxylic acids, the (first) dissociation constant (pK) of which is 0.5 to 4.

Abstract: The present invention relates to a polycarbonate which can be obtained by a melting method and has a viscosity-average molecular weight of 16000 to 27000, and whose loss angle &dgr; and complex viscosity &eegr;* (Pa·s) measured under the conditions of 250° C. and an angular velocity of 10 rad/s satisfy the following relation (1): 4,700≦Tan &dgr;/(&eegr;*)−0.

Abstract: A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170° C., adjusting the amount of water in the extruder so that the water content right after being discharged from the extruder is 5 to 40 weight %, and extruding out the EVOH resin. The extruded EVOH resin is cut into EVOH pellets. Thereby, it is possible to obtain resin pellets in which no spherocrystals are observed in the center of the cross section of the resin when the cross section is observed by the use of a polarization microscope, or no lubricant is contained in the resin pellets, and the angle of repose is 23° or less when the resin pellets are laminated.

Abstract: Water-continuous emulsion of curable elastomeric polymers are disclosed having a solids content of greater than 75%, an average particle size less than 5 &mgr;m, and having sufficient stability to produce a stable lower solids emulsion upon dilution with water comprising; a curable elastomeric polymer, surfactant, internal cure additive, water, optional plasticizer, and optional low molecular weight acid. The water-continuous emulsions of curable elastomeric polymers can be prepared by; (I) forming a premix comprising an elastomeric polymer, surfactant, internal cure additive, and optionally a plasticizer and low molecular weight acid, and (II) adding water to the premix with mixing to form a water continuous emulsion of the curable elastomeric polymer having a solids content of greater than 75%, an average particle size less than 5 &mgr;m, and having sufficient stability to produce a stable lower solids emulsion upon dilution with water.

Abstract: Water-dilutable oils ABC comprising building blocks derived from oils A having on average at least one olefinic double bond per molecule, cyclic olefinically unsaturated anhydrides B, and organic acids C which contain at least one acid group and at least one further group which reacts with a cyclic acid anhydride with ring opening and addition, a process for their preparation, and their use as an addition to aqueous resins and dispersions

Abstract: An acrylate-functionalized alkyd coating composition is disclosed having improved dry time. The compositon includes an acrylate-functionalized alkyd resin, a solvent, and a drier package that provides the composition with a cobalt content of at least 0.01 wt %, based on binder solids content, and a calcium content of from 0.15 wt % to 5 wt %, based on the binder solids content. The drier mixture disclosed results in the coating composition having improved dry time when compared with similar coating compositions using conventional drier packages.

Abstract: The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject premixed compositions need only maintain inventory of four compositions. The particular compositions which are the subject of the invention exhibit stable characteristics during storage in their respective reservoirs. The compositions include a pigment composition, a dispersant thickening agent, a high resin content binder, and a low resin content binder. The compositions are combined in differing amounts to produce paint compositions being suitable for either interior or exterior use and having differing sheens, quality levels, and color bases.

Abstract: A portion of the repeating units in polyesters useful as plasticizers for rigid organic polymers are derived from diethylene glycol and at least one dicarboxylic acid. The percentage of these repeating units that can be present in polyesters that are compatible with the organic polymer into which they are incorporated is inversely proportional to the weight average molecular weight of the polyester.

Abstract: Environmentally degradable molded or extruded articles comprising a polyhydroxyalkanoate C4C6 copolymer composition having short annealing cycle times are provided. Such short annealing cycle times are achieved by compositions having a percentage of C6 units of 2-8%. Desirable annealing cycle times are obtained for molded or extruded articles, particularly for tampon applicators.

Abstract: The invention provides a curing agent for two-pack type curable composition use having excellent storage stability, and also provides a curing agent composition which comprises a hydrolyzable silyl group-containing compound (a), a non-phthalic acid ester based plasticizer (b) having no phthalic acid ester structure in its molecule, and a bivalent tin based curing catalyst (c), that satisfies all of mechanical properties, recoverability and adhesiveness to substrate, can be mixed easily when used and has excellent storage stability, and a two-pack type curable composition which hardens when a base resin composition comprising a curable organic polymer (d) having in its molecule a functional group crosslinkable by a reaction catalyzed by a bivalent tin based curing catalyst (c), an epoxy group-containing silane compound (f) and an epoxy compound (g) is mixed with the above curing agent composition.

Abstract: Polymers having increased hydrophilicity are made by adding to the polymer an effective amount of an additive which is a di-C10-12 fatty acid ester of polyethylene glycol.

Abstract: A solvent-based water- and oil-repellent agent composition, which contains a graft copolymer having a repeating unit derived from a vinyl monomer having a perfluoroalkyl group and a repeating unit derived from a polymerizable cyclic acid anhydride and an organic solvent, has high product stalibity and high dilution stability and can give high water- and oil-repellency.

Abstract: Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high quality images, scratch resistance, abrasion resistance, low-temperature storage stability and flexibility, offset and pick resistance, adhesion, and other desired properties are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and (b) from about 0.1 to about 99.9% of one or more hybrid polymers. Components other than those listed above may be included in the ink compositions to achieve specific printer, substrate, or end use requirements.

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: A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170° C., adjusting the amount of water in the extruder so that the water content right after being discharged from the extruder is 5 to 40 weight %, and extruding out the EVOH resin. The extruded EVOH resin is cut into EVOH pellets. Thereby, it is possible to obtain resin pellets in which no spherocrystals are observed in the center of the cross section of the resin when the cross section is observed by the use of a polarization microscope, or no lubricant is contained in the resin pellets, and the angle of repose is 23° or less when the resin pellets are laminated.

Abstract: A polycarbonate resin molding material containing (A) 100 parts by weight of a polycarbonate resin and 0.001 to 1.0 part by weight of a mold release agent (B) which is composed of a fatty acid ester and a phosphorus-containing heat stabilizer and contains 0.0001 to 50 parts by weight, per 100 parts by weight of the fatty acid ester (b1), of the phosphorus-containing heat stabilizer (b2).

Abstract: A pressure sensitive adhesive comprising a P(A/C)-P(B)-P(A/C) block copolymer, wherein P(B) is a polymer formed from component B and component B comprises at least one monomer B1, P(B) having a glass transition temperature not higher than 0° C., P(A/C) represents a copolymer block of component A/C, which comprises at least two monomers A1 and C1, P(A/C) having a glass transition temperature of 20° C.-175° C. and C1 comprises at least one cross-linking-enabled functional group.

Abstract: About 0.001 to 5 parts by weight of a hindered phenol-series compound, about 0.01 to 5 parts by weight of a weather (light)-resistant stabilizer, and about 0.001 to 10 parts by weight of a spiro-compound having a triazine ring are added to 100 parts by weight of a polyacetal resin. The spiro-compound may be a compound represented by the following formula (1). The polyacetal resin composition may further comprise a coloring agent, a processing stabilizer, a heat stabilizer, and others. wherein R1 and R2 are the same or different, each representing an alkylene group, an arylene group, or an aralkylene group.

Abstract: Compositions comprising acid salts of amine-functionalized styrene-maleic anhydride resins are disclosed. The salts can be dissolved in organic solvents, UV/EB polymerizable monomers and/or oligomers, and/or water and act as a polymeric surfactants to disperse pigments or fillers, emulsifying agents, or hard resin additives in a variety of formulations. The compositions react under UV/EB cure conditions, and provide enhanced properties such as cure speed, hardness and adhesion to polymer compositions.

Abstract: The present invention provides a resin composition comprising: a urethane resin and/or a resin as obtained by polymerizing a monomer component including an &agr;,&bgr;-unsaturated carboxylic acid as an essential component; and a multivalent metal compound; which resin composition is excellent in the one-liquid stability and also in the coating-film appearance, coating-film adhesion, water-rubbing resistance, warm-water-whitening resistance, and blocking resistance. The resin composition, according to the present invention, comprises: the urethane resin and/or the resin as obtained by polymerizing the monomer component including the &agr;,&bgr;-unsaturated carboxylic acid as an essential component; and the multivalent metal compound; with the resin composition being characterized by further comprising tartaric acid and/or its salt.

Abstract: In one aspect, the present invention provides hydrogels comprising polymer molecules and bridging molecules, wherein substantially all the polymer molecules are cross-linked by hydrogen bonds between polymer molecules and bridging molecules, wherein each bridging molecule is linked to at least two polymer molecules, and wherein there are substantially no covalent linkages between the polymer molecules. In some embodiments, the polymer molecules are poly(vinyl alcohol) (PVA) and the bridging molecules are amino acids. Some embodiments of the invention provide devices comprising hydrogels, and pharmaceutical compositions comprising biologically active molecules within hydrogels. Another aspect provides methods for forming hydrogels of the invention.

Abstract: A ceramic injection molding composition consisting of a three component binder system with a ceramic powder in which the binder system has good wettability towards the ceramic powder was disclosed. The binder system includes a first component soluble in water, a second component which is a water emulsified acrylic resin and a third component as a lubricant. A homogeneous powder binder blend can be achieved during low temperature mixing of the powder. As the binder system has strong affinity towards the ceramic powder and easily mixed with ceramic powder it eliminates the use of a high temperature mixing which involves difficult instruments. The binder system was successfully applied to a wide range of ceramic powders. The composition of the binder system depends on the powder and its density. Addition of water to powder binder mixture enhances the dispersion of powder into binder.

Abstract: A rubber composition including a natural or synthetic rubber, and an adhesive resin capable of unexpected adhesion to metal, polymer and glass substrates, particularly cords in radical tires, hoses, conveyor belts, transmission belts, and the like by the addition of long chain esters, including mono, di- and tri-esters.

Abstract: A rubber composition including a natural or synthetic rubber, and an adhesive resin capable of unexpected adhesion to metal, polymer and glass substrates, particularly cords in radical tires, hoses, conveyor belts, transmission belts, and the like by the addition of long chain esters, including mono, di- and tri-esters.

Abstract: A process for producing a vulcanized elastomeric rubber composition that minimizes or eliminates the appearance of discoloration on the surface of the rubber, and the products formed from this process are disclosed. The process includes the incorporation of polar functional groups into the elastomeric rubber by grafting the functional groups onto a compound miscible in the rubber. It is believed that the polar functional groups increase the solubility of the compounds responsible for iridescence and blooming observed in vulcanized rubber and decrease their migration to the rubber surface. Additional techniques for reducing or eliminating undesirable discoloration in rubber are disclosed.

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: A composition of polyolefin, ester additive, and hyperbranched polymer with improved tensile energy-to-break value compared to polyolefins wihtout the hyperbranched polymer. The concentration of the hyperbranched polymers can be between about 0.1% and about 10% by weight of the polyolefins. The polyolefins have a melt flow index of about 14 g/10 min or greater.

Abstract: The invention relates to low solution viscosity cellulose triacetate and methods of making thereof. The invention also relates to films prepared from the low solution viscosity cellulose triacetate and articles containing the low solution viscosity cellulose triacetate.

Abstract: The present invention is directed to an epoxidized block copolymer (E) obtained by epoxidizing a block copolymer (C) comprising a polymer block (A) composed mainly of a vinyl aromatic hydrocarbon compound and a polymer block (B) composed mainly of a conjugated diene compound or a product (D) of hydrogenation of the block copolymer (C). The epoxidized block copolymer (E) meets at least one of the following requisites: (1) having a molar ratio (R) of contained hydroxyl to epoxy ranging from 0.001 to 0.

Abstract: The draw ratio and/or rate of stretch of HDPE in film orientation can be increased, or the breakage frequency at a given draw ratio and draw rate decreased by the addition of an orientation improving amount of a normally solid fatty carboxylic acid having a melting point lower than the orientation temperature of the film.

Abstract: The present invention relates to a polyoxymethylene molding composition comprising

Abstract: Disclosed is a composition useful as a sealing or undercoating material for automobiles. The composition comprises fine particles (A) comprising polyurethane resin, a plasticizer (B) and fillers (C), wherein not less than 50% of (A) is spherical particles having a ratio of major axis/minor axis in the range of 1.0 to 1.5.

Abstract: A soft resin pellet of the present invention comprises at least one liquid having a kinematic viscosity at 25° C. ranging from 0.5 to 100,000 cSt and a surface tension at 25° C. ranging from 10 to 50 dyn/cm, for example dimethylpolysiloxane, and at least one kind of fine powder of an average particle diameter of not more than 50 &mgr;m, for example calcium stearate, which adhere to the surface of pellets of at least one soft resin (A) selected from the group consisting of the resins (i)-(v) below and having a tensile modulus not higher than 1600 MPa with. The above-mentioned soft resin includes (i) specified ethylene/&agr;-olefin copolymers, (ii) specified propylene/&agr;-olefin copolymers, (iii) unsaturated olefin copolymers constituted of ethylene, an &agr;-olefin of 3-20 carbon atoms, and a (non)conjugated polyene monomer, (iv) ethylene/vinyl acetate copolymers containing vinyl acetate at a content ranging from 5 to 40% by weight, and (v) cycloolefin resins.

Abstract: The present invention is directed to a polyhydroxyalkanoate copolymer composition that can be readily and quickly processed into extruded and molded articles and film-based products. More specifically, the invention pertains to melt processing of polyhydroxyalkanoates which contain a novel combination of nucleant and plasticizer for enhancing crystallization rates thus causing improved processibility.

Abstract: The present invention relates to thermoplastic hydrophilic polymeric compositions for making a liquid impermeable moisture vapor permeable structure, for example by forming the composition into a layer or film. The thermoplastic compositions comprise selected thermoplastic polymers and selected compatible plasticiser that provide the thermoplastic hydrophilic composition with a desired tackiness level, without impairing the moisture vapor permeability of films or layers made from the thermoplastic hydrophilic polymeric compositions. The layers made from the thermoplastic hydrophilic polymeric compositions of the present invention can find a variety of applications wherein liquid imperviousness and moisture vapor permeability are desirable.

Abstract: Polyoxymethylene with addition of a lubricant mixture composed of an aliphatic ester and of a polyethylene wax improves in-feed behavior into the injection-molding machine without substantially changing tribological behavior, when comparison is made with a polyoxymethylene which has only an aliphatic ester. The weld-line strength of the molding is also improved. The molding composition is used for moldings of any type with high tribological requirements running against hard materials.

Abstract: A composition useful in the manufacturing of plastic cookware includes a polyetherimide resin and an acidic additive selected from the group consisting of aliphatic carboxylic acids having a vapor pressure less than one atmosphere at 300° C., aromatic carboxylic acids having a vapor pressure less than one atmosphere at 300° C., and combinations comprising at least one of the foregoing acidic additives. In one embodiment, the composition further comprises an additional resin, such as a polyester resin. The acidic additive is effective in improving the mold release and increasing the melt flow of the composition. Articles including the composition and a method for preparing the composition are also described.

Abstract: A cycloolefin copolymer resin having a Hunter b color value of less than 1.

Abstract: Compounds and compositions comprising specific metal salts of bicyclo[2.2.1]heptane dicarboxylate salts in order to provide highly desirable properties within polyolefin articles are provided. The inventive salts and derivatives thereof are useful as nucleating and/or clarifying agents for such polyolefin, provide excellent crystallization temperatures, stiffness, and calcium stearate compatibility within target polyolefin. Also, such compounds exhibit very low hygroscopicity and therefore excellent shelf stability as powdered or granular formulations. Polyolefin additive compositions and methods of producing polyolefin with such compounds are also contemplated within this invention.

Abstract: The invention relates to additives for improving lubricating properties of fuel oils, comprising A) 10-95% by weight of at least one oil-soluble amphiphile which comprises nitrogen- or oxygen-containing groups substituted by alkyl, alkenyl, hydroxyalkyl or aromatic radicals, and B) 5-90% by weight of at least one copolymer which contains B1) from 0.5 to 15 mol % of structural units which are derived from olefinically unsaturated compounds which have at least one free hydroxyl group, and B2) from 85 to 99.5 mol % of structural units which are derived from ethylene, and, if required, B3) from 0 to 20 mol % of further structural units selected from the group consisting of (meth)acrylic acid, (meth)acrylates, vinyl esters, vinyl ethers and alkenes, and the copolymer has an average molar mass Mw of from 500 to 100,000 g/mol and an OH number of from 5 to 500 mg KOH/g.

Abstract: A plastic lens material comprising a compound in which a part or all of 1,4-cyclohexane dicarboxylate structural units are a cis structure; a production process of the material; a plastic lens composition containing the material; a plastic lens obtained by curing the composition; and a production process of the plastic lens. A plastic lens material free of changing into a white and turbid material during storage for a long period of time is provided.

Abstract: A coating composition comprising a phenolic resin, an alkoxy silane, and an acid. The coating composition of the present invention promotes adhesion between a multiple layer coating composition and a substrate and between the respective layers of the multiple layer coating composition.

Abstract: A plastic lens material comprising a compound in which a part or all of 1,4-cyclohexane dicarboxylate structural units are a cis structure; a production process of the material; a plastic lens composition containing the material; a plastic lens obtained by curing the composition; and a production process of the plastic lens. A plastic lens material free of changing into a white and turbid material during storage for a long period of time is provided.