Abstract: Disclosed is an acrylic rubber composition comprising, based on 100 parts by weight of carboxyl group-containing acrylic rubber, 0.05 to 5 parts by weight of a diurethane compound represented by the general formula: R2(SO2)m(CH2)nOCONHR1NHCOO(CH2)n(SO2)mR2 (R1: a divalent organic group; R2: when it is in a carbamate structure form, a group that decomposes by the action of a basic vulcanization accelerator; n: 0, 1, or 2; and m: 0 or 1), 0.3 to 3 parts by weight of a diaminodiphenyl ether-based compound, and 0.08 to 1.2 parts by weight of an N-containing heterocyclic compound; the composition being free from 1,3-o-tolylguanidine. This acrylic rubber composition allows high-speed vulcanization, without using 1,3-di-o-tolylguanidine generating o-toluidine, and has excellent scorch stability. Furthermore, the vulcanization-molded product of the acrylic rubber composition can sufficiently satisfy compression set characteristics required for sealing parts.

Abstract: Because of the formation of disulfide bridges with mucus glycoproteins, the mucoadhesive properties of polymeric compounds can be significantly improved by the covalent attachment of thiol substructures to them. By the transformation of free thiol groups on such polymers in disulfides with mercaptonicotinamides or mercaptopyridoxins these thiol groups become comparatively more reactive resulting in significantly improved mucoadhesive properties. Furthermore, polymers exhibiting disulfide partial structures with mercaptonicotinamides or mercaptopyridoxins do not need to be protected against oxidation. In addition, they show comparatively higher permeation enhancing properties.

Abstract: The present invention provides an adhesive composition comprising a silane coupling agent having a solubility parameter of 10.2 to 13.0 (Cal/cm3)0.5, a polarizing plate and a liquid crystal display device comprising the adhesive composition. The adhesive composition according to the present invention has high adhesive strength and excellent heat resistance and heat and moisture resistance.

Abstract: The present invention relates to a process for the preparation of water-absorbing polymer structures, comprising the following process steps: i) providing an untreated, water-absorbing polymer structure; and ii) bringing the untreated, water-absorbing polymer structure into contact with a salt comprising a divalent or higher-valent cation of a metal and at least one organic base as anion. The invention relates also to the water-absorbing polymer structures obtainable by that process, to water-absorbing polymer structures, to a composite comprising a water-absorbing polymer structure and a substrate, to a process for the preparation of a composite, to the composite obtainable by that process, to chemical products, such as foams, molded articles and fibers comprising water-absorbing polymer structures or a composite, to the use of water-absorbing polymer structures or of a composite in chemical products and to the use of a salt in the treatment of the surface of water-absorbing polymer structures.

Abstract: A hydrophilic material having a hydrophilic nature and being biocompatible and processable into nanoparticles wherein a hydrophilic monomer such as threitol or a hydrophilic polymer such as polyethylene glycol is attached to the ?position of an ?,?-unsaturated carboxyl group of a (co)polymer comprising an aromatic compound such as 4-hydroxycinnamic acid in which an aromatic ring is substituted by the ?,?-unsaturated carboxyl group and one or more hydroxyl groups. In particular, a hydrophilic material having a nanoparticle size which is highly dispersible in water, can well migrate into the blood and is useful as a drug carrier, a medical material and a sustained drug release material.

Abstract: To provide a novel polymer having an excellent non-specific adsorption inhibitory effect, a surface-hydrophilizing agent comprising the polymer, and a method for producing a substrate having a hydrophilic surface. The polymer comprises a hydrophilic repeating unit having a sulfinyl group in a side chain thereof.

Abstract: The invention relates to a polymer comprising structural units of formula and formula wherein R1, R2, R5 and R6 are independently hydrogen, a methyl group, or —COOH, only one of R1 and R2 or R5 and R6 is —COOH; R3 and R7 are independently hydrogen, or a methyl group; R4 is —COOH, —CONH2 or —OH, when R4 is —OH, R1, R2 and R3 are respectively hydrogen; and R8 is —COO, —CONH, or —O—, when R8 is —O—, R5, R6 and R7 are respectively hydrogen. Methods for preparing and using the polymer are also described herein.

Abstract: A process for producing water-absorbing polymer particles, wherein at least one inorganic phosphoric acid and/or salt thereof and at least one organic 2-hydroxy acid and/or salt thereof is added, where the phosphorus in the inorganic phosphoric acid has an oxidation number of less than +V and the organic 2-hydroxy acid does not have any ethylenically unsaturated groups, and also the water-absorbing polymer particles obtainable by the process according to the invention.

Abstract: One embodiment of the present invention relates to ionic liquids and ionic viscoelastics formed between [1] a small molecule or macromolecule containing two or more cations; and [2] a small molecule or macromolecule containing two or more anions. Another embodiment of the invention is the use of the inventive ionic liquids and ionic viscoelastics, formed between a small molecule or macromolecule containing two or more cations and a small molecule or macromolecule containing two or more anions, to form a crosslinked network. In certain embodiments, the ionic liquids formed can be viscous liquids, viscous liquid formed networks, or viscoelastic networks/gels. In certain embodiments, the ionic material of the invention may be used for a variety of applications including, but not limited to, lubricants, additives, gas separation, liquid separation, membranes, fuel cells, sensors, batteries, coatings, heat storage, liquid crystals, biocompatible fluids, solvents, and electronic materials.

Abstract: To prepare superabsorbents with a low residual monomer content, a salt of urea with an inorganic acid is added to the monomer mixture before or during the polymerization or to the polymer after the polymerization but before a heat treatment which follows the polymerization.

Abstract: An object of the present invention is, in a thermoplastic elastomer composition in which a modified rubber is filled and dispersed in a polyamide resin matrix in order to improve the low-temperature durability of the polyamide resin, to reduce the extrusion load during extrusion molding thereof into a film without deteriorating the low-temperature durability. The present invention is a thermoplastic elastomer composition (E) comprising a modified polyamide resin (C) and a modified rubber (D) dispersed in the modified polyamide resin (C), the modified polyamide resin (C) being a resin obtained by melt-blending an polyamide resin (A) and a compound (B) capable of reacting with a terminal amino group of a polyamide resin, wherein the modified rubber (D) has an acid anhydride group or epoxy group and is dynamically cross-linked by a compound (F) having at least one disulfide bond and at least two amino groups.

Abstract: A comb polymer and use thereof for improving the processing of hydraulically setting compositions. The comb polymer has ester, amide and/or ether groups on side chains bound to a main chain and the main chain has at least one acrylic acid unit A or a salt thereof and at least one methacrylic acid unit M or a salt thereof. Processes for producing a hydraulically setting composition with longer processing time.

Abstract: Disclosed is a diurethane compound R2(SO2)m(CH2)nOCONH—R1—NHCOO(CH2)n(SO2)mR2 produced by a method allowing a diamine compound H2NR1NH2 to react with a chloroformate compound ClCOO(CH2)n(SO2)mR2 or a method allowing a diisocyanate compound OCNR1NCO to react with a hydroxyl-containing compound R2(SO2)m(CH2)nOH. The diurethane compound is compounded with multivalent amine crosslinkable group-containing acrylic rubber together with a basic vulcanization accelerator to form an acrylic rubber composition. The acrylic rubber composition including the diurethane compound as a vulcanizing agent decreases a delay in the vulcanization rate due to prevention of scorching and also allows a vulcanized article to satisfy the compression set characteristics.

Abstract: Because of the formation of disulfide bridges with mucus glycoproteins, the mucoadhesive properties of polymeric compounds can be significantly improved by the covalent attachment of thiol substructures to them. By the transformation of free thiol groups on such polymers in disulfides with mercaptonicotinamides or mercaptopyridoxins these thiol groups become comparatively more reactive resulting in significantly improved mucoadhesive properties. Furthermore, polymers exhibiting disulfide partialstructures with mercaptonicotinamides or mercaptopyridoxins do not need to be protected against oxidation. In addition, they show comparatively higher permeation enhancing properties.

Abstract: Disclosed embodiments involve a novel blend composition for use in sports equipment, particularly for use in golf ball manufacture. The composition comprises three components, (A), (B), and (C). Component (A) can be selected from polymer(s) comprising an ethylene moiety and one or more unsaturated carboxylic acid, sulfonic acid, or phosphoric acid groups. Component (B) is a compound having a formula (R2N)m—R?—(X(O)nORy)m and component (C) is a basic metal ion salt having the ability to neutralize some, or all of the acidic groups present in components (A) and (B). The blend composition can also comprise an additional polymer and/or the reaction product of one or more ionomers and component (B). In particular embodiments, the blend composition is used in golf balls, comprising a core; an outer cover layer; and 0-5 intermediate layers; wherein one or more of said core, outer cover, and/or intermediate layers, if present, includes the blend composition.

Abstract: The invention relates to a polymer comprising structural units of formula and formula wherein R1, R2, R5 and R6 are independently hydrogen, a methyl group, or —COOH, only one of R1 and R2 or R5 and R6 is —COOH; R3 and R7 are independently hydrogen, or a methyl group; R4 is —COOH, —CONH2 or —OH, when R4 is —OH, R1, R2 and R3 are respectively hydrogen; and R8 is —COO, —CONH, or —O—, when R8 is —O—, R5, R6 and R7 are respectively hydrogen. Methods for preparing and using the polymer are also described herein.

Abstract: An object of the present invention is to provide a water absorbing agent having a low amount of residual monomer, small variance of the amount of residual monomer among ranges of particle size distribution and favorable absorption properties, and being sanitary; an absorbing article; and a method for the production of a water absorbing agent. The water absorbing agent of the present invention has the amount of residual monomer of not higher than 500 ppm, and a residual monomer index of not greater than 0.30.

Abstract: The invention chiefly concerns a method for preparing polyalkoxylated polycarboxylates in which the following are caused to react in the presence of water and a catalyst at a temperature of between 120 and 250° C.: at least one polycarboxylic acid obtained by polymerization of at least one unsaturated carboxylic acid; and at least one polyether carrying a free hydroxyl group capable of reacting with a carboxylic function of the said polycarboxylic acid, characterized in that the catalyst is an alkaline or alkaline-earth salt of a strong protic acid.

Abstract: The present invention relates to the in situ acid end group functionalization of polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions.

Abstract: A process for producing water-absorbing polymer particles, wherein at least one inorganic phosphoric acid and/or salt thereof and at least one organic 2-hydroxy acid and/or salt thereof is added, where the phosphorus in the inorganic phosphoric acid has an oxidation number of less than +V and the organic 2-hydroxy acid does not have any ethylenically unsaturated groups, and also the water-absorbing polymer particles obtainable by the process according to the invention.

Abstract: The present invention relates to new amphiphilic polymers comprising hydrophobic groups and methionine groups. It also relates to compositions with a controlled release profile comprising such polymers, non-covalently combined with an active ingredient, in particular an active ingredient such as a peptide or a protein comprising in their sequence at least one amino acid which is sensitive to oxidation.

Abstract: To prepare superabsorbents with a low residual monomer content, a salt of urea with an inorganic acid is added to the monomer mixture before or during the polymerization or to the polymer after the polymerization but before a heat treatment which follows the polymerization.

Abstract: The invention relates to functionalized matrix materials or matrices that have structures of general formula (I) T-(C?O)O—B-D, methods for the production thereof, and the use thereof in methods for purifying and isolating biomolecules.

Abstract: The present invention provides a method for manufacturing a particulate water-absorbing agent which has excellent liquid diffusibility and liquid permeability, and whose amount of residual monomers is reduced. The method for manufacturing the particulate water-absorbing agent of the present invention includes a step of surface-crosslinking, in the presence of an organic crosslinking agent, water-absorbing resin particles obtained through at least a step of polymerizing an aqueous solution of unsaturated monomers, and in or after the polymerizing step, a reaction system is mixed with peroxide. Thus, it is possible to obtain the particulate water-absorbing agent which has excellent liquid diffusibility and liquid permeability and whose amount of residual monomers is small, that is, it is possible to obtain the particulate water-absorbing agent which is highly functional and highly safe.

Abstract: Ionomeric reaction products are disclosed that are made by combining a monomer, oligomer or polymer having at least one reactive carboxyl group and/or isocyanate group, or functional group or groups equivalent thereto or derived therefrom, with an amine compound having both an amine and an anionic functional group and a formula [RHN—(R1)m—(X?)n]o-Ma+p where R is hydrogen, aliphatic, alicyclic, arylaliphatic or aromatic, R1 is a linking group that links the amine and salt functional groups and is aliphatic, alicyclic, arylaliphatic or aromatic, X is an anionic group, M is a positively charged species, a is 1-4, m is 0 or greater, n is 1-4, o is 1-4 and p is 0-4, more typically 1-4. An amount of the amine compound is used to react with at least a portion of the reactive functional groups. A method for making a golf ball also is disclosed, as are golf balls comprising disclosed ionomers. At least one component of a golf ball, such as a cover layer, is made comprising disclosed ionomers.

Abstract: A polymer compound having a structure represented by the formula (1) as defined herein at a main chain terminal, and a positive photosensitive composition containing a polymer compound having a structure represented by the following formula (1) as defined herein at a main chain terminal and a photoacid generator capable of generating an acid upon irradiation with actinic rays or radiation.

Abstract: The present invention relates to a blend composition, suitable for use in golf ball manufacture, which is the reaction product of (A) a polymer of ethylene and/or an alpha olefin and one or more ?, ?-ethylenically unsaturated C3-C20 carboxylic acids, sulfonic acids or phosphoric acids; (B) a compound having both amine and carboxylic acid functionality or a derivative of these functional groups; and (C) a basic metal ion salt, which has the capacity to neutralize some or all of the acidic group present in blend components (A) and (B). When (A) is a polymer comprising one or more ?, ?-ethylenically unsaturated C3-C20 carboxylic acids it comprises a high molecular weight component having a molecular weight from about 80,000 to about 500,000.

Abstract: An object of the present invention is to provide a water absorbing agent having a low amount of residual monomer, small variance of the amount of residual monomer among ranges of particle size distribution and favorable absorption properties, and being sanitary; an absorbing article; and a method for the production of a water absorbing agent. The water absorbing agent of the present invention has the amount of residual monomer of not higher than 500 ppm, and a residual monomer index of not greater than 0.30.

Abstract: A butyl rubber ionomer having improved adhesion to substrates whose surfaces have polar functional groups. Examples of such substrate materials include stainless steel, glass, mylar or Teflon®. The adhesion of the butyl rubber ionomer to the substrate is at least 25% greater than the adhesion of a non-ionomeric butyl rubber to the same substrate surface and with certain substrates is more than 150% greater. The adhesion is improved with increasing levels of multiolefin content in the butyl rubber ionomer. The adhesion is greatest for butyl rubber ionomers having a high multiolefin content (at least 3.5 mol% of multiolefin monomers or at least 1.5 mol % of residual multiolefins). By taking advantage of these high adhesion levels, a composite article can be formed between the butyl rubber ionomer and the substrate.

Abstract: An electrodepositable coating composition comprising a cationic acrylic resin derived from an epoxy function acrylic resin and an IPDI trimer and coated substrates having improved sweat resistance are disclosed. Methods for using the coatings are also disclosed.

Abstract: The invention relates to a method and coating agents used in the method which provide good adherence to and good corrosion protection of metal substrates; the coating coating agents are cross-linkable via radical polymerization. Adhesion promoting compounds are present in the conversion layer in a quantity of about 0.01 to 40 weight percent and contain, on average, one reactive unsaturated group and at least one H-active group per molecule.

Abstract: Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z-SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.

Abstract: A polymer complex is disclosed which is the reaction product of one or more polymers having a terminal or pendant hydroxyl group, or a terminal or pendent carboxyl group, or combinations thereof, with at least one metal complex and one alkyl phosphate. This polymer complex acts as an adhesion promotion agent as well as a viscosity stabilizer when formulated in a printing ink or coating.

Abstract: A process for producing an absorbing polymer structure (Pa) including the steps of obtaining a treated absorbing polymer structure (Pb) by increasing the absorption under load at a load of 0.3 or 0.9 psi (AUL) compared to an untreated absorbing polymer structure (Pu) by a first treatment of an outer region of the untreated absorbing polymer structure (Pu) and reducing the AUL compared to the treated polymer structure (Pb) by a second treatment of an outer region of the treated absorbing polymer structure (Pb). Such absorbing polymer structure (Pa) may be used in a composite and may be used in foams, moulded articles, fibers, sheets, films, cables, sealing materials, liquid-absorbing hygiene articles, carriers for plant growth-regulating and fungal growth-regulating agents, packaging materials and soil additives or building materials.

Abstract: Method for increasing the molecular weight of polyacrylates, in which polyacrylates, functionalized at least in part of their chain ends by functional groups X, are reacted with a compound having at least functional groups Y capable of linking reactions with functional groups X.

Abstract: A method of inhibiting scale formation in a subterranean formation comprising: (a) injecting a suspension comprising particles of a controlled release scale inhibitor suspended in an aqueous medium into a formation through an injection well wherein the particles have a mean diameter of less than 10 microns, preferably less than 5 microns, more preferably less than 1 micron; (b) allowing the suspension to percolate through the subterranean formation towards a production well; and (c) controllably releasing the scale inhibitor from the particles in the near well bore region of the production well. Suitably, the particles of the controlled release scale inhibitor comprise an esterifiable scale inhibitor cross-linked with a polyol via ester cross-links.

Abstract: The present invention fulfils desired specifications generally rarely encountered with existing solid supports such as highly amphiphile behaviour. The solid support described herein is a poly(ethylene or propylene)glycol based polymer that can be useful in solid and liquid phase synthesis, chromatography, scavenging purposes and immobilisation of proteins and reagents. More specifically, the solid support is a cross-linked polyether derived from a cross-linked polyester which is obtained by copolymerization of at least one monomer comprising (a) one-ended polymerizable vinyl or allyl ketone, ester, ether or mixtures thereof with at least one cross-linker having at least two polymerizable terminal end groups, with the exception of epoxy and oxetane end groups, or (b) divinyl benzene. The method for the preparation of the cross-linked polyether is also disclosed.

Abstract: A functionalized polymer for binding a dissolved molecule in an aqueous solution is presented. The polymer has a backbone polymer to which one or more functional groups are covalently linked. The backbone polymer can be such polymers as polyethylenimine, polyvinylamine, polyallylamine, and polypropylamine. These polymers are generally water-soluble, but can be insoluble when cross-linked.

Abstract: Water-soluble and/or water-dispersible comb polymers comprising a polymer main chain and polyester side-arms which contain sulfonic acid groups and which are linked to the polymer main chain via ester groups, wherein said side-arms have been at least partially neutralized by sodium and lithium cations, wherein the molar ratio of lithium to sodium is between 0.1 and 50.

Abstract: Water-soluble and/or water-dispersible comb polymers consisting of a polymer main chain and polyester side-arms which contain sulphone groups and are linked to said polymer main chain via ester groups.

Abstract: A binder composition, obtained by polymerizing acrylic acid monomer in water in the presence of a cure accelerator comprising an alkali metal salt of a phosphorous-containing inorganic acid to form a low molecular weight polyacrylic acid and subsequently reacting said low molecular weight polyacrylic acid with a polyhydroxy crosslinking agent in a crosslinking step to make a composition suitable for use as a component in a binder for fiberglass. A significant improvement involves conducting the crosslinking step in the absence of added catalyst. Moreover, satisfactory results are obtained in the absence of conventional undesirable sulfur odors.

Abstract: Disclosed is a rubber composition for forming a core of a solid golf ball, the composition containing a base rubber (A); a filler (B); an organic peroxide (C); and a dry blend and/or a solvent slurry blend (D) of an unsaturated carboxylic acid metallic salt and a metal-containing organic sulfur compound represented by the following formula (1): (wherein X represents a halogen atom, each of m and n represents an integer of 0 to 5 inclusive, and M represents a divalent metallic atom). The rubber composition exhibits high curing rate, and can be cured within shorter time, whereby productivity of a core can be improved.

Abstract: A controlled free-radical polymerization process for forming end-functionalized polymers is disclosed, particularly by degenerative iodine transfer. The end-functionalized polymers are characterized by a polydispersity less than 2.5 and a predetermined molecular weight. The end-functionalized polymers are useful as reactive intermediates in condensation polymerization, chain polymerization and heterogeneous polymerization reactions.

Abstract: This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural modifier to the polymer solution after at least 30% polymerization of the monomers has occurred, and to use of the water-soluble cross-linked polymers as flocculating agents.

Abstract: Disclosed is a process for crosslinking copolymers of acrylic esters by converting some of the ester groups to ester or amide groups which contain unsaturation, and then sulfur or peroxide curing the resulting polymers. The resulting crosslinked polymers often have excellent vulcanizate properties, and are useful especially in elastomeric form as seals and gasket.

Abstract: The present invention relates to a molecular weight-enlarged, homogeneously soluble ligand, which includes: an average molecular weight of at least 1000 g/mol; a molecular weight-enlarging polymer; optionally, a linker; and at least one homochiral active center; wherein the active center is bound to the molecular weight-enlarging polymer through the linker or is bound directly to the molecular weight-enlarging polymer, methods of preparing, catalysts containing same, and methods of using same.

Abstract: This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural modifier to the polymer solution after at least 30% polymerization of the monomers has occurred, and to use of the water-soluble cross-linked polymers as flocculating agents.

Abstract: A thin-layer metal film that is high in productivity, can be prepared in a simple step, has a high density, and is superior in durability. The thin-layer metal film is obtained by reducing a metal salt on a surface of a substrate where a metal salt-containing hydrophilic graft polymer chain is present. The thin-layer metal film is obtained by reducing a metal ion adsorbed on a hydrophilic functional group of the hydrophilic graft polymer chain with a reducing agent to deposit a metal.

Abstract: A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking film or label may have microperforated or micro-rough edges which initiate tearing when removal is attempted. The article maintains flexibility and film strength for easy fabrication in graphic marking film or label manufacture.

Abstract: A variety of phosphonylated heterochain polymers are disclosed, including, most preferably, phosphonylated polymethyl methacrylate. For each polymeric composition the phosphorous atom of a phosphorous-containing functional group is covalently bonded to a carbon atom of the polymeric chain. The phosphorous atoms are present in an amount of at least about 0.1 percent by weight in each polymeric composition.