Abstract: The present invention provides: a novel water-absorbing agent, which exhibits an excellent absorption capacity under a load (AAP), gel layer liquid permeation rate under a load (FRUP), saline flow conductivity (SFC), and shape-maintaining property and ball burst strength (BBS) of a swollen water-absorbing agent aggregate, and excellent persistency of these effects for a long time. The water-absorbing agent, which comprises a polymer obtained by a process including the steps of polymerizing and then crosslinking a monomer including acrylic acid and/or a salt thereof, with the water-absorbing agent being characterized by: (1) exhibiting a free swelling capacity of not less than 23 g/g (GV), a gel deformation of not more than 12.5 cm under a short-time load (0.5 hrPT), and a gel deformation deterioration of not more than 3.

Abstract: A curable resin composition containing a specific vinyl compound obtained by vinylation of a terminal of a bifunctional phenylene ether oligomer having a polyphenylene ether structure in a molecule and a specific bismaleimide compound having at least two maleimide groups in a molecule, a curable film comprising the above composition, a cured product obtained by curing the above composition, and a film obtained by curing the curable film. The above resin composition is excellent in curability even in the presence of oxygen, is curable at a low temperature and is capable of giving a cured product having a low dielectric constant, a low dielectric loss tangent, high heat resistance, excellent mechanical properties, excellent chemical resistance and excellent flame retardancy.

Abstract: The invention relates to a process for preparing an imidized polymer in a mixing or kneading device, by a reaction of a mixture, comprising a polymer, containing anhydride groups or derivatives thereof and an aromatic polyamine compound, wherein the reaction is carried out in the presence of an acid. With this process an imidized polymer can be obtained with a reduced amount of incomplete reacted anhydride groups with respect to the anhydride groups originally present in the polymer as well as a low amount of free and amid-bound aromatic polyamine. The invention further relates to a solid compound, and in particular a solid multifunctional viscosity modifier comprising a polymer comprising between 0.1 and 10 functional groups per 1000 C-atoms, the functional groups comprising aromatic amine based imide groups, wherein the ratio of imide groups with respect to the functional groups is more than 0.85, preferably more than 0.90 and most preferably more than 0.

Abstract: The invention provides heat-curable thixotropic mixtures containing carbamate and/or allophanate groups, including at least one oligomer and/or polymer containing at least one of carbamate and allophanate groups, and at least one thixotropic agent that is a urea derivative preparable by reacting at least one amine and/or water with at least one isocyanate in the presence of at least one amino resin. The invention further provides processes for preparing the mixtures and coating materials, adhesives and sealing compounds prepared from the mixtures.

Abstract: A resist film is formed on a substrate, and a barrier film including a compound whose alkali-insoluble property is changed to an alkali-soluble property through molecular structure change caused by an alkaline solution is formed on the resist film. Thereafter, with an immersion liquid provided on the barrier film, pattern exposure is performed by selectively irradiating the resist film through the barrier film with exposing light. After the pattern exposure, the barrier film is removed and the resist film is developed. Thus, a resist pattern made of the resist film is formed.

Abstract: Perfluoroelastomers that contain high levels (i.e. about 40 mole percent or more) of perfluoro(alkyl vinyl ether) copolymerized units can form stable blends with higher levels of perfluoropolyethers than can perfluoroelastomers that contain lower levels of perfluoro(alkyl vinyl ether) units. Thus, the former blends have better low temperature properties than the latter.

Abstract: This invention relates to a blend of biodegradable polymers comprising: (A) about 5% to about 95% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than about 0° C., (B) about 5% to about 95% by weight of at least one rigid biodegradable polymer (B) having a glass transition greater than about 10° C., and (C) about 0.25 to about 10 weight % of at least one compatibilizer (C), said percentages being based on the total weight of the polymer blend; where the polymer blend has a higher zero shear melt viscosity than polymers (A) and (B) separately.

Abstract: The present invention relates to anti-aging agents based on organic compounds containing conjugated azadiene groups, which are capable of providing rubber vulcanizates with long-term protection against thermal aging, fatigue and aging as a result of the effects of oxygen. The anti-aging agents according to the present invention are further characterized in that they are hardly ever extracted from the vulcanizates by water, oils and/or gasolines or hydraulic fluids.

Abstract: The present invention provides a reaction product having polyether carbamate groups formed from (A) polyoxyalkylene amine, and (B) cyclic carbonate, in an equivalents ratio ranging from 1:0.5 to 1:1.5. Further provided is a process for preparing the aforementioned reaction product. The present invention also is directed to an improved curable coating composition including (1) a reactive functional group-containing polymer, and (2) a curing agent having functional groups reactive with the functional groups of (1), the improvement being the inclusion in the coating composition the reaction product. Multilayer composite coatings including a first coating layer formed from the curable coating composition and a second coating layer over the curable coating composition are also provided, as well as coated substrates.

Abstract: The present invention belongs to the field of polymerization and processing of polymer and relates to the preparation of a kind of functional polyolefin master batch. The functional master batch is produced by liquid phase, melt phase, or solid phase reaction after mixing the polyolefin resin, polyamine and guanidine salt oligomer, olefin monomer and initiator. The molecular structure of functional polyolefin master batch is shown below: wherein R is a polyamine and guanidine salt oligomer bonded onto polyolefin molecular chain by covalence bond, while S is one selected from hydrogen, chlorine, methyl, or phenyl group. Blending mentioned functional master batch with the corresponding polyolefin, the various antimicrobe products, such as fibers, film, pipe and other plastic articles can be obtained. Besides endowing products with excellent permanent antimicrobe property, it also provides fibers with good-dyeable and antistatic ability and bumpers with easy-paintable ability.

Abstract: Compositions containing oxetane compounds having ester, amide, urea, carbamate, carbonate, or carbonyl functionality one carbon atom removed from the oxetane ring cure at high temperatures are suitable for use as underfill materials within a semiconductor package, particularly in applications using lead free solder electrical interconnections.

Abstract: Bactericidal compositions are disclosed that comprise a polymeric compound immobilized on a material. Medical devices are also disclosed which comprise such a bactericidal composition. Methods are disclosed for covalently derivatizing the surfaces of common materials with an antibacterial polycation, e.g., poly(vinyl-N-pyridinium bromide); the first step of the methods involves coating the surface with a nanolayer of silica. Various commercial synthetic polymers derivatized in this manner are bactericidal, i.e., they kill on contact up to 99% of deposited Gram-positive and Gram-negative bacteria, whether deposited through air or water.

Abstract: Extrusion processability of non-fluorinated melt-processable polymers is improved by introducing a fluoropolymer process aid by means whereby the weight average particle size of the fluoropolymer is greater than 2 microns as it reaches the extruder die entrance.

Abstract: Extrusion processability of non-fluorinated melt-processable polymers is improved by introducing a fluoropolymer process aid by means whereby the weight average particle size of the fluoropolymer is greater than 2 microns as it reaches the extruder die entrance.

Abstract: A non-dye containing flexographic ink containing a polymer or copolymer of a 3,4-dialkoxythiophene in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, a polyanion and a latex binder in a solvent or aqueous medium, characterized in that the polymer or copolymer of a 3,4-dialkoxythiophene is present in a concentration of at least 0.1% by weight in the ink and that the ink is capable of producing a colorimetrically additive transparent print; a method of preparing the flexographic ink; and a flexographic printing process therewith.

Abstract: A surface-protected plastic composite material comprising a transparent plastic, a coating layer (I) as a first layer stacked on the transparent plastic and a thermally cured coating layer (II) as a second layer stacked on the first layer, the coating layer (I) being formed of a resin composition containing at least 50% by weight, based on the resin content thereof, of an acrylic resin which is an acrylic resin containing at least 50 mol % of recurring unit based on an alkyl methacrylate, the thermally cured coating layer (II) being made of an organosiloxane resin formed from the following components a, b and c, (A) colloidal silica (component a), (B) a hydrolysis condensate (component b) of a trialkoxysilane, (C) a hydrolysis condensate (component c) of a tetraalkoxysilane, the organosiloxane resin containing 5 to 45% by weight of the component a, 50 to 80% by weight of the component b and 2 to 30% by weight of the component c, and use of the composite material as a window glass.

Abstract: Biocompatible biodegradable polymer or copolymer is capped at one end and has free hydroxyl at the other end. The free hydroxyl can be reacted to link a plurality of functional groups some or each of which can be reacted to attach directly or via a spacer molecule a moiety containing an aminoxyl-containing radical or to a moiety comprising other drug molecule residue or a moiety comprising other biologically active agent residue.

Abstract: An object of the present invention is to substantially improve the compatibility between a radical copolymerizable unsaturated resin and an addition polymerized polymer (thermoplastic resin) which is added for the purpose of low profile and improvement of physical properties. The present invention provides a compatibilizing agent for compatibilizing a radical copolymerizable unsaturated resin with an addition polymerized polymer, characterized in that said compatibilizing agent is a graft copolymer (A) which contains a styrene monomer as a principal component, and has a principal chain (A1) consisting of a copolymer with a (meth)acrylate monomer and a side chain (A2) selected from a ring-opening polymerized polyether side chain consisting of a polyoxyalkylene ether, a polyester side chain, and a polycarbonate side chain, the side chain (A2) being bonded to the principal chain.

Abstract: A colloidally and sedimentation stable coating composition containing ion exchange resins is disclosed. A method of using a colloidally and sedimentation stable coating composition containing ion exchange resins is also disclosed.

Abstract: A solid cyanoacrylate adhesive composition is disclosed which can be applied to a substrate in solid form and which polymerizes into an adhesive polymer upon liquefying. Preferably the solid cyanoacrylate composition liquefies at temperatures slightly above room temperature and polymerizes upon liquification. &egr;-caprolactones are used as a solidifying polymer with cyanoacrylate monomers and other additives to form the solid cyanoacrylate adhesive composition. The solid cyanoacrylate adhesive composition is easy to apply, especially stable in solid form and is capable of use in a variety of industrial, consumer and medical applications.

Abstract: The present invention provides thermally activated adhesive compositions comprising polymer and polyester wherein the adhesive polymer comprises a polymer having hydroxyl and phenyl groups and adhesive films made from the adhesive compositions.

Abstract: The present invention relates to anti-aging agents based on organic compounds containing conjugated azadiene groups, which are capable of providing rubber vulcanizates with long-term protection against thermal aging, fatigue and aging as a result of the effects of oxygen. The anti-aging agents according to the present invention are further characterized in that they are hardly ever extracted from the vulcanizates by water, oils and/or gasolines or hydraulic fluids.

Abstract: It is an object of the present invention to provide a vibration-damping composition having a high loss modulus (E″) and loss factor (&eegr;) in a high temperature region, and serviceable over a wide temperature range in a high temperature region.

Abstract: Polymers containing &agr;-methylenelact(ones)(ams) such as &agr;-methylenebutyrolactones are useful in blends with other polymers. For examples such polymers which have reactive groups are toughened by mixing with a rubbery material which has complimentary reactive groups, or polymers containing repeat units derived from &agr;-methylenelact(ones)(ams) are toughened by mixing with polymeric core-shell particles having an elastomeric core and a specified thermoplastic shell. The properties of thermoplastics are also improved by blending with &agr;-methylenelact(ones)(ams) such as &agr;-methylenebutyrolactones containing (co)polymers.

Abstract: An object of the present invention is to substantially improve the compatibility between a radical copolymerizable unsaturated resin and an addition polymerized polymer (thermoplastic resin) which is added for the purpose of low profile and improvement of physical properties. The present invention provides a compatibilizing agent for compatibilizing a radical copolymerizable unsaturated resin with an addition polymerized polymer, characterized in that said compatibilizing agent is a graft copolymer (A) which contains a styrene monomer as a principal component, and has a principal chain (A1) consisting of a copolymer with a (meth)acrylate monomer and a side chain (A2) selected from a ring-opening polymerized polyether side chain consisting of a polyoxyalkylene ether, a polyester side chain, and a polycarbonate side chain, the side chain (A2) being bonded to the principal chain.

Abstract: Selectively cold-water responsive compositions constructed of combinations of polymers including at least one hydrolytically degradable polymer and at least one cold-water soluble polymer are provided. Additionally, methods of making and using selectively cold-water sensitive compositions are described. In one embodiment, the method comprises combining a polylactide and a cold-water soluble polyvinyl alcohol at a temperature above the melting point of the polymer having the higher melting point, and below the decomposition point of the polymer having the lower decomposition point, to form a homogeneous polymer blend is also provided. The cold-water responsive properties of the compositions of the present invention may be varied include water dispersible, water disintegratable, and water weakenable.

Abstract: The present invention is a composition comprising by weight:

Abstract: The present invention provides a method for forming a topcoat according to a 2-coat 1-bake system comprising the steps of applying to a substrate a thermosetting aqueous colored base coating composition, applying to the uncured surface of the base coat a clear coating composition, and curing the two coats by heating, wherein the clear coating composition is a thermosetting powder coating composition comprising: (A) an epoxy-containing resin; and (B) a curing agent containing acid anhydride (a) represented by formula X—COO—[CO—(CH2)m—COO]n—CO—X  (1) and at least one species selected from the group consisting of acid anhydride (b) represented by the formula HO—[CO—(CH2)p—COO]q—H  (2) and dibasic acid (c).

Abstract: A metallic gloss image composition including a hydromorphic solvent and a polsulfurnitride derivative dissolved in the hydromorphic solvent. The polysulfurnitride derivative has the following formula: R1—(—S═N—)n—R2. Instead of the hydromorphic solvent, a thermoplastic renis formed by polymerization of monomers can be used to obtain the metallic gloss image composition.

Abstract: A coating composition consisting of at least three components, comprising a component (I) comprising at least one hydroxyl-containing oligomeric or polymeric resin dispersed or dissolved in one or more organic, optionally water dilutable solvents, as binder (A), a component (II) comprising at least one polyisocyanate dispersed or dissolved in one or more organic, optionally water dilutable solvents, as crosslinking agent (F), and a component (III) which comprises water, wherein component (I) comprises at least one hydroxyl-containing polyacrylate resin (A) containing polyether sidegroups and/or endgroups of the general formula I Y—(—O—R—)n—  (I) in which the index and variables have the following meanings: n=3 to 100; R=C2 to C6 alkanediyl and C3 to C8 cycloalkanediyl; Y=hydrogen atom or C1 to C4 alkyl; as binder (A).

Abstract: A redispersible or soluble product, optionally having a solids content higher than 10% by weight, obtainable by freeze drying an aqueous dispersion of a latex comprising a polyanion and a polymer or copolymer of a substituted or unsubstituted thiophene; a printing ink comprising the above product; a coating dispersion or solution comprising the above product; and a method for making an antistatic or electroconductive layer comprising the steps of redispersing or diluting the above product by adding water or an organic solvent so as to obtain a dispersion or solution, optionally adding other ingredients to the coating solution or dispersion and applying the dispersion or solution to an object.

Abstract: A composition comprising a superabsorbent polymer and a hydroxy-functionalized polyether.

Abstract: A current limiting device comprises at least two electrodes; an electrically conducting composite material between the electrodes; interfaces between the electrodes and electrically conducting composite material; an inhomogeneous distribution of resistance at the interfaces whereby, during a high current event, adiabatic resistive heating at the interfaces causes rapid thermal expansion and vaporization and at least a partial physical separation at the interfaces; and a structure for exerting compressive pressure on the electrically conducting composite material, wherein the electrically conducting composite material comprises at least one polymer matrix and at least one conductive filler.

Abstract: Disclosed are compositions of ethylene and (meth)acrylic acid and ester elastomeric copolymers or of (meth)acrylic ester elastomeric copolymers with polylactones and certain polyethers.

Abstract: A (meth)acrylate terpolymer comprising 1-30% of total terpolymer weight epoxy-functional (meth)acrylate monomer units, 1-98% of total terpolymer weight tackifier (meth)acrylate monomer units, and 1-98% of total terpolymer weight compatibilizing (meth)acrylate monomer units, wherein the compatibilizing (meth)acrylate monomer unit is a (meth)acrylic ester derived from an aromatic alcohol containing 6-14 carbon atoms. Also provided are self-fixturing adhesive compositions comprising the acrylate terpolymer of the present invention and methods of their use.

Abstract: The present invention provides a resin of the formula: 1

Abstract: A monolayer polyolefin-based printable article includes 0.1 to 5% by weight of at least one polyaminoalkylene, and is characterized in that it has been treated by means of an oxidative surface treatment, such as a corona treatment. A process for the manufacture of a polyolefin-based printable article, according to which at least one surface region of the article, including at least one polyolefin and from 0.1 to 5% by weight of at least one polyaminoalkylene, involves subjecting the region to an oxidative surface treatment. A printing process, according to which a polyolefin-based article, including from 0.1 to 5% by weight of at least one polyaminoalkylene and treated by means of an oxidative surface treatment, utilizes an electrophotography technique to print on the article.

Abstract: The invention is directed toward melt-processable lactide polymer compositions, processes for manufacturing these compositions, and articles made from these compositions. The compositions include a first phase, which contains a polylactide-based polymer, and a second phase which includes elastomer. The elastomer is present in an amount sufficient to provide a polymer composition having an impact resistance of at least about 0.7 ft-lb/in. after the melt-processable polymer composition has been injection molded into bars and tested according to ASTM D256 (1993) method C. Preferably, the compositions also include a reactive compatibilizing agent. Methods of making these compositions and articles made from these compositions are also disclosed.

Abstract: A photochromic compound which by itself develops a color tone of a neutral tint, exhibits a large fading rate and offers a good photochromic light resistance.

Abstract: A self-adhesive composition, comprising a base polymer of polyethylene-vinyl acetate (EVA) having a vinyl acetate fraction of from 40 to 80% by weight and a melt index MFI in accordance with ISO 1133 (A/4) of from 0.5 to 25 g/10 min at 190° C. and 2.16 kg, which is blended with a polyether having a fraction of from 1 to 35% by weight of the form XO—[(CH2)4—O]—Y  (1) or XO—[(CH(CH3)—CH2—O]—Y  (2) having a weight-average molecular weight Mw of from 200 to 100,000 g/mol, X and Y being selected from the group consisting of H—, (CnH2n+1)— where n is from 1 to 20, CH2═CHCO—, CH3CH(NH2)CH2—, 2,3-epoxypropyl, C6H5—CO—, and CH2═C(CH3)—CO—.

Abstract: A resin composition useful as an adhesive film and insulating material for a multilayer wiring substrate or electronic parts comprises (A) a polymer containing a quinoline ring represented by the formula (1) in the structure such as 6,6′-bis(2-(4-fluorophenyl)-4-phenylquinoline) and 4,4′-(1,1,1,3,3,3-hexafluoro-2,2-propylidene)bisphenol, and (B) a bismaleimide compound represented by the formula (2) such as 2,2-bis((4-maleimidophenoxy)phenyl)propane.

Abstract: The present invention provides a thermosetting powder coating composition comprising: (A) an epoxy-containing resin; and (B) a curing agent containing acid anhydride (a) and at least one species selected from the group consisting of acid anhydride (b) and dibasic acid (c), the acid anhydride (a) being represented by formula X—COO—[CO—(CH2)m—COO]n—CO—X  (1) wherein the two X's are the same or different and independently represent a C4-12 alkyl group having a branched structure, R1—O—CO—R2—, R1—CO—R2— or R1—CO—NH—R2— in which R1 is a C1-10 monovalent saturated hydrocarbon group; R2 is a C1-10 bivalent saturated hydrocarbon group; m is an integer of 6 to 18; and n is an integer of 8 to 50, the acid anhydride (b) being represented by the formula HO—[CO—(CH2)p—COO]q—H  (2) wherein p is an integer of 6 to 18 and q is an integer of 2 to 18,

Abstract: The invention relates to polyolefin copolymers (I) and to graft copolymers (II) which are prepared from the copolymers (I), wherein the copolymers (I) are linear copolymers containing divinylbenzene comonomer units selected from the group consisting of 1,4-divinylbenzene units, mixtures of 1,4- and 1,3-divinylbenzene units and mixtures of 1,4-, 1,3- and 1,2-divinylbenzene units, wherein R, in formulas I and II, is a C1 to C10 linear or branched alkyl group or a C6 to C10 substituted or unsubstituted aromatic group; and wherein G and G′, independently, are selected from —H, —OH, epoxy, —NH2, —COOH, anhydride, —Cl, —Br, —M, —COOM (M=metal) or a polymer chain having the molecular weight of at least about 500, which can be derived from both step and chain polymerization reactions. In the graft copolymer (II), the combined alpha-olefin mole % (x+y) is from about 50 and 99.

Abstract: The present invention provides a thermosetting powder coating composition comprising: (A) an epoxy-containing resin; and (B) a curing agent containing, as an essential ingredient, an acid anhydride (a) represented by the formula HOOC—(CH2)m—[COO—CO—(CH2)m]n—COOR1   (1) wherein R1 represents a C1-10 monovalent saturated hydrocarbon group, m is an integer of 6 to 18, and n is a number of 1 to 20 on average, the molar ratio of carboxyl groups to acid anhydride groups in the curing agent being in the range from 0.15:1 to 2.0:1, the molar ratio of the total of carboxyl groups and acid anhydride groups in the curing agent (B) to epoxy groups in the epoxy-containing resin (A) being in the range from 0.7:1 to 1.2:1.

Abstract: There is disclosed a pneumatic tire having a rubberized component comprising:

Abstract: A film degradable in natural environment and high in both flexibility and transparency. A biodegradable film comprises a polymer of polylactic acid family and an aliphatic polyester other than polylactic acid in a weight ratio of from 70:30 to 20:80, said film having a tensile modulus of not more than 250 kg/mm2 and a light transmittance of not less than 65%.

Abstract: A thermoplastic, elastomeric block copolymer comprises at least one poly(butadiene) and at least one pair of poly(lactone) blocks flanking the poly(butadiene) block. Each poly(lactone) block is derived from a lactone having between 8 and 18 carbon atoms in the lactone ring, such as &lgr;-laurolactone and 10-hydroxyl decanoic acid lactone. Alternative methods of making these block polymers are also disclosed. In the first procedure diethyl zinc reacts with the hydroxyl end group of a butadiene polymer to form an intermediate zinc alkoxide-tipped polybutadiene which functions as the active initiating species. The laurolactone polymer then grows off the hydroxyl end groups of the butadiene to form the desired ABA block copolymer. In another related procedure for making ABA block polymers, previously prepared difunctional hydroxyl-terminated polybutadiene blocks are linked with monofunctional poly(&lgr;-laurolactone) blocks using a diisocyanate and a catalyst.

Abstract: A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene. A process for preparing a dynamically vulcanized composition is also provided.

Abstract: A rubber composition obtained by (a) kneading at least one low air permeable rubber having vulcanizable functional group and a curing agent, which can vulcanize the low air permeable rubber having vulcanizable functional group, at a temperature within a range where the low air permeable rubber having vulcanizable functional group is not vulcanized, and (b) blending 25 to 100 parts by weight of at least one rubber having vulcanizable carbon-carbon double bond per 100 parts by weight of the low air permeable rubber having vulcanizable functional group with the kneaded product, kneading at a temperature within a range where the low air permeable rubber having vulcanizable functional group can be vulcanized to selectively vulcanize the low air permeable rubber having vulcanizable functional group.

Abstract: Disclosed are compositions of ethylene and (meth)acrylic acid and ester elastomeric copolymers or of (meth)acrylic ester elastomeric copolymers with polylactones and certain polyethers.