Abstract: The present invention is to provide a super-absorbent resin which can be used to design an absorbing core or absorbing goods capable of being flown into a flushing toilet. The present invention relates to a super-absorbent resin having as a main component thereof a repeating unit having an ionic dissociation group in its main or side chain, wherein said resin has absorption capacity without load to saline solution (CRCs) for 4 hours of not smaller than 10 g/g, and solubility in ion-exchanged water of not lower than 50% by weight.

Abstract: Efficient and reproducible production of a copolymer for lithography, which has stable quality, with little lot-to-lot variations, and is suited for film-forming and coating compositions. Radical polymerization of a monomer, which contains at least one ethylenic double bond, with an initiator, in a solvent, and purification of the reaction mixture by precipitation and filtration, in a hermetically-closable single vessel divided by a filter medium, into a first section provided with fluid feeding means and agitating means, and a second section with fluid drawing means. Feeding the reaction mixture from the fluid feeding means into the first section of the vessel, containing a poor solvent, and contacting the reaction mixture with the poor solvent to precipitate a solid; and filtering the resulting fluid, containing the precipitated solid, through the filter medium, drawing the resultant filtrate through the fluid drawing means, and then separating the precipitated solid.

Abstract: A Polyacrylate having an at least bimodal molecular weight distribution is disclosed.

Abstract: A rubbery polymer comprising: (a) butyl acrylate or a mixture of butyl acrylate and 2-ethylhexyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate, and ethyl acrylate, (c) acrylonitrile, (d) styrene, (e) a half ester maleate soap, and (f) a crosslinking agent selected from allyl methacrylate, and mixtures of allyl methacrylate with glycidyl methacrylate, trimethylolpropanetrimethyl acrylate, dicyclopentenyloxyethyl methacrylate and divinylbenzene.

Abstract: The present invention relates to novel photoresist compositions and processes for preparing the same utilizing polymers having a low polydispersity via the use of certain chain transfer agents (CTA) with certain monomers to provide said polymers. The polymers incorporating the chain transfer agents can be homopolymers, or made with additional monomers to provide copolymers. These polymers/copolymers are then converted into photoresist compositions for use as such.

Abstract: Disclosed is a polycyclic ester containing a cyano group and a lactone skeleton, represented by following Formula (1): wherein Ra represents, for example, a hydrogen atom or an alkyl group having one to six carbon atoms which may have a halogen atom; R1s each represent, for example, a halogen atom or an alkyl or haloalkyl group having one to six carbon atoms; “m” is the number of R1s; “n” is the number of cyano groups; and CH2?C(Ra)COO— group may have either of an endo conformation and an exo conformation. Accordingly, there is provided a novel polycyclic ester containing a cyano group and a lactone skeleton which is useful typically as a monomeric component for highly functional polymers. A polymer, for example, derived from this compound is highly soluble in an organic solvent while remaining stable typically to chemicals and exhibits improved hydrolyzability and/or improved solubility in water after hydrolysis.

Abstract: Materials and methods for the selective removal of lipopolysaccharide during the purification of molecules of bio-pharmaceutical interest are based on a polymeric substrate that binds lipopolysaccharide. Preferably, the polymeric substrate is selective for at least one of heptose and 2-keto-3-deoxyoctonic acid. The substrate can be formed by a process comprising: (i) contacting a homogeneous polymer solution and a template solution; (ii) carrying out a phase inversion of the resulting solution; and (iii) removing the template.

Abstract: High durable polarized film comprising a radiation curable PSA layer for lamination in TFT/LCD applications have high humidity and heat resistance. In one embodiment, the adhesive comprises a UV curable acrylic polymer, a compatible tackifier, a multifunction unsaturated oligomer, and a long chain alkyl acrylate monomer.

Abstract: New gel-forming reagents including monomers and cross-linkers, which can be applied to gel-drop microarray manufacturing by using co-polymerization approaches are disclosed. Compositions for the preparation of co-polymerization mixtures with new gel-forming monomers and cross-linker reagents are described herein. New co-polymerization compositions and cross-linkers with variable length linker groups between unsaturated C?C bonds that participate in the formation of gel networks are disclosed.

Abstract: In a first aspect a fire fighting foaming composition contains a partially acetylated polyvinyl alcohol. In a second aspect the fire fighting foaming composition contains chitosan together with a surfactant such as a protein derived surfactant or a hydrocarbon surfactant which is either amphoteric or non-ionic. The compositions can form effective fire fighting foams in the absence of fluorinated surfactants and other fluorinated compounds.

Abstract: The present invention relates to polymer dispersions in polyester polyols, a process for producing them and their use for the production of polyurethanes, in particular microcellular polyurethanes. These polyester polyols have sulfur atoms and are free of olefinically unsaturated groups.

Abstract: Provided are a polyoxyalkylene modified vinyl alcohol-based polymer, including a polyoxyalkylene group in side chain, wherein the vinyl alcohol-based polymer has a viscosity average degree of polymerization P of from 200 to 5000, has a degree of saponification of from 20 to 99.99 mol %, and has an amount S of polyoxyalkylene modification of from 0.1 to 10 mol % and a film containing the same. By way of them, a polyvinyl alcohol-based polymer that is soluble in water and also high in viscosity, and a film that is less in a decrease of tensile elastic modulus when conditioned in high humidity, is excellent in water repellency on the film surface, and exhibits water solubility are provided.

Abstract: Process for preparing (meth)acrylates of the formula (I) CH2?C(R1)—CO—O—R2 ??(I) in which R1 is hydrogen or methyl and R2 is a saturated or unsaturated, linear or branched, aliphatic or cyclic alkyl radical having 6 to 22 carbon atoms, or a (C6-C14)-aryl-(C1-C8)-alkyl radical; by reacting a (meth)acrylate of the formula II CH2?C(R1)—CO—OR3 ??(II) with an alcohol of the formula (III) HO—R2 ??(III) in the presence of an amount of a suitable catalyst which catalyses the reaction and of an amount of a phenolic polymerization inhibitor or a combination of two or more phenolic polymerization inhibitors which is sufficient to inhibit undesired polymerization; the reaction being undertaken with input or introduction into the reaction mixture resulting from the reaction of an amount of oxygen or of an oxygenous gas mixture sufficient to inhibit undesired polymerization, and the process is characterized in that the specific total oxygen input is less than or equal to 1.

Abstract: A composition and an article comprising or produced from the composition are disclosed. The composition comprises an ionomer and a reducing static charge-buildup amount of potassium ion wherein the ionomer is neutralized with sodium, zinc, or magnesium ions. The article can be a film including a multilayer film.

Abstract: An adhesive composition for optical films, which inhibits contamination in the re-release process and peeling under severe conditions while favorably maintaining its durability and light leakage prevention properties. The adhesive composition includes: (A) an acrylic-based polymer which is obtained by copolymerizing at least the following monomer components: (a1) a (meth)acrylic acid alkyl ester and/or a (meth)acrylic acid alkoxyalkyl ester, (a2) an aromatic ring-containing monomer, (a3) a hydroxyl group-containing monomer, and optionally, (a4) a carboxyl group- or amino group-containing monomer, and which has a weight-average molecular weight of 800,000 to 1,600,000 and a value (Mw/Mn), as obtained by dividing the weight-average molecular weight of the copolymer by the number-average molecular weight thereof, of 10 to 50, (B) an isocyanate-based crosslinking agent, (C) a silane coupling agent, and optionally, (D) a crosslinking accelerator.

Abstract: The present invention relates to a process for preparation of pure methacrylic acid, at least comprising the process steps: a) gas phase oxidation of a C4 compound to obtain a methacrylic acid-comprising gas phase, b) condensation of the methacrylic acid-comprising gas phase to obtain an aqueous methacrylic acid solution, c) separation of at least a part of the methacrylic acid from the aqueous methacrylic acid solution to obtain at least one crude methacrylic acid-comprising product; d) separation of at least a part of the methacrylic acid from the at least one crude methacrylic acid-comprising product by means of a thermal separation process to obtain a pure methacrylic acid.

Abstract: Block copolymers comprise a core block formed of hydrophilic monomers and have pendant zwitterionic groups, and at least two terminal blocks, comprising stimulus-responsive groups. The core block has a degree of polymerisation of at least 100, whilst the terminal blocks have an average degree of polymerisation of at least 20. A solution of polymer in a liquid may be caused to change its characteristics, for instance rheology, upon being subjected to a stimulus such as a change in temperature or pH. Examples comprise core blocks formed of 2-methacryloyloxyethyl-2?-trimethylammonium ethylphosphate inner salt (MPC) and terminal blocks formed of 2-(diisopropylamino)ethyl methacrylate. Upon changing the pH from around 2 to around 8, an aqueous solution of the block copolymer gels, the solution becoming mobile again upon lowering the pH. The effect is due to deprotonation of a quaternary ammonium pendant ion to form a non-ionised group and subsequent protonation to form an ionised group.

Abstract: The invention concerns the use as thickening agent of an aqueous composition comprising at least 5 wt. % of one or several phase-organized surfactant(s) comprising giant micelles whereof the average length represents at least four times the mean diameter, of at least a charged statistic amphiphilic polymer soluble in the aqueous composition, said amphiphilic polymer being used in a content such that the viscosity of the aqueous composition comprising the amphiphilic polymer is at least three times higher than that of the composition without amphiphilic polymer and than that of an aqueous composition comprising only the amphiphilic polymer. The invention also concerns aqueous compositions comprising said amphiphilic polymer, and are particularly designed for cosmetic uses.

Abstract: Electrically heatable pressure-sensitive adhesive compound, comprising at least one adhesive constituent and at least one electrically conductive filler.

Abstract: The invention is amido-borate compounds containing one or more anionic amido-borate moieties comprising an organoborate anion wherein the boron atom is bonded to a nitrogen atom of ammonia or an organic compound containing one or more nitrogen atoms, such as a hydrocarbyl amine, a hydrocarbyl polyamine, or an aromatic heterocycle containing one or more nitrogen atoms, and a cationic counter ion.

Abstract: Processes for the production of polymers by emulsion polymerization of olefinically unsaturated monomers, in which olefinically unsaturated esters corresponding to formula (I): HOOC—CH?CH—COO—(BO)z(PO)y(EO)xR1??(I) in which R1 is an alkyl group or alkenylphenol group containing 8 to 24 carbon atoms, BO is a butylene oxide unit, PO is a propylene oxide unit and EO is an ethylene oxide unit and the indices x, y and z independently of one another stand for 0 or for numbers of 1 to 50, with the proviso that at least one of the indices x, y and z is not 0, the carboxyl group of the compounds (I) being completely or partly present in neutralized form and the C?C double bond being cis- or trans-configured; are used as copolymerizable emulsifiers.

Abstract: A method for modifying a polymer by mixing and reacting a polymer (A), a compound (B) having a nitroxide radical in the molecule thereof, a radical initiator (C), and a radical polymerizable monomer (D) in a non-solvent system in a mixed to thereby graft a monomer (D) to the polymer (A), whereby a desired functional group is introduced to the polymer, without a causing decrease in the molecular weight, gelation, or formation of a homopolymer.

Abstract: A radiation-sensitive resin composition includes a polymer, an acid-labile group-containing resin, a radiation-sensitive acid generator, and a solvent, the polymer including repeating units shown by following general formulas (1) and (2). wherein R1 and R2 represent a hydrogen atom, a methyl group, or a trifluoromethyl group, R3 represents a linear or branched alkyl group having 1 to 6 carbon atoms or an alicyclic hydrocarbon group having 4 to 20 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom, or a derivative thereof, and Z represents a group that includes a group that generates an acid upon exposure to light. The radiation-sensitive resin composition produces an excellent pattern shape, reduces the amount of elution into an immersion liquid upon contact during liquid immersion lithography, ensures that a high receding contact angle is formed by a resist film and an immersion liquid, and rarely causes development defects.

Abstract: The present invention provides a method for producing acryl syrup by bulk polymerization, comprising a step of preparing a mixture comprising monomer component and 2,4-diphenyl-4methyl-1-pentene; a step of heating the mixture to the initial reaction temperature; and a step of adding an polymerization initiator having the half-life of not more than 30 minutes at 5-80° C., wherein the initial reaction temperature is controlled so that the polymerization initiator has the half-life of up to 30 minutes. The method of the present invention has such advantages that reaction runaway does not occur, the control of molecular weight and conversion rate is possible even at low exothermic temperature, and a partially polymerized acryl syrup can also be prepared therefrom.

Abstract: A novel process is used to prepare synthetic rubbers (B) which feature very narrow molecular weight distribution and a correspondingly low value for the polydispersity index. The preparation process encompasses the treatment of a synthetic rubber with ultrasound, where the resultant synthetic rubber (B) has a lower weight-average molecular weight (Mw) than the synthetic rubber (A) used. The resultant synthetic rubbers (B) have excellent suitability for processing via extruder processes or injection-moulding processes.

Abstract: An aqueous emulsion composition comprising (A) an aqueous resin emulsion comprising a fluorine-containing polymer and (B) a surfactant of the formula: R1O—(CH2CH2O)p—(R2O)q—R3??(1) wherein R1 is an alkyl group or an alkenyl group, R2 is an alkylene group, R3 is a hydrogen atom, an alkyl group or an alkenyl group, p is the number of at least 2, q is the number of at least 1, and p and q are such numbers that the weight ratio of the polyoxyethylene block is from 5 to 80% by weight based on whole molecule, is excellent in stability against impurity and mechanical stability.

Abstract: Disclosed is a method of producing a cyclic olefin polymer having a polar functional group, an olefin polymer produced by using the method, an optical anisotropic film including the olefin polymer, and a catalyst composition for producing the cyclic olefin polymer. In the olefin polymerization method and the catalyst composition for polymerization, since deactivation of the catalyst due to polar functional groups of monomers is capable of being suppressed, it is possible to produce polyolefins having a high molecular weight at high polymerization yield during polyolefin polymerization. Furthermore, the cyclic olefin having the polar functional groups has excellent polymerization reactivity and the activity of the catalyst composition including the same is maintained under a variable polymerization condition. Accordingly, the present invention is very useful for a mass-production process.

Abstract: One embodiment includes a substrate having a plurality of molecular chains, each chain comprising a hydrophilic group, a hydrophobic segment, and a reversible crosslinker.

Abstract: Disclosed are soft, high refractive index, acrylic device materials. The materials comprise di-block or tri-block macromers containing a hydrophilic block in the polymer backbone. The materials have improved glistening resistance.

Abstract: Disclosed is a pressure sensitive adhesive composition characterized by containing an ionic liquid and a polymer which contains, as a monomer unit, 0.1-10% by weight of a (meth)acrylate with a hydroxyalkyl group having 3-12 carbon atoms. The present invention provides a pressure sensitive adhesive composition which is excellent in antistatic property of a no-electrification-prevented adherend upon peeling, and has reduced staining of an adherend and is excellent in adhesion reliance. Also disclosed is an antistatic pressure sensitive adhesive sheet or surface-protecting film prepared using the composition. Also disclosed is an antistatic pressure sensitive adhesive sheet or surface-protecting film prepared using the composition.

Abstract: A curable composition for forming anisotropically conductive bonds comprising: (i) an amount of first substantially uncured curable component; (ii) conductive particles coated with a substantially uniformly thick coating of the cure product of a second curable component dispersed within the first curable cyanoacrylate component. The composition is suitable for use as an adhesive composition for bonding chips to electronic circuits. Desirably the first component and the second component are both cyanoacrylates.

Abstract: A composition of macrocyclic oligomer with at least one (meth)acrylate polymerizable group. A method includes preparing an activated precursor of an oligomer at pseudo high-dilution conditions. A method also includes preparing an activated precursor of an oligomer by reacting the precursor with an activated coupling agent, wherein the precursor is condensable and polymerizable.

Abstract: Disclosed are a powdery processing aid for polyolefin resins, containing an alkyl methacrylate polymer which has alkyl methacrylate units having an alkyl group with 2 to 6 carbon atoms as a main component and has a mass average molecular weight of 150,000 to 20,000,000, having good handling properties as a powder, having good dispersibility in polyolefin resins, and being able to improve shaping processability of polyolefin resins; and a polyolefin resin composition having improved shaping processability, which contains a powdery processing aid for polyolefin resins and a polyolefin resin.

Abstract: The present invention is a soft tissue sheet having reduced lint and slough. The tissue sheet comprises papermaking fibers and a synthetic co-copolymer. The synthetic co-polymer has the general structure: wherein R1, R2, R3 are independently selected from a group consisting of: H; C1-4 alkyl radicals; and, mixtures thereof; R4 is selected from a group consisting of C1-C8 alkyl radicals and mixtures thereof; Z1 is a bridging radical attaching the R4 functionality to the polymer backbone; and, Q1 is a functional group containing at least a cationic quaternary ammonium radical. w, x, y?1 and the mole ratio of x to (x+y) is about 0.5 or greater.

Abstract: Provided is a barrier laminate having higher barrier property. The barrier laminate has an organic layer obtained by curing a polymerizable composition comprising a compound represented by the following formula (1); wherein R1's represent a substituent, and R1's each may be the same or different to each other; n's are an integer of 0 to 5, and n's each may be the same or different to each other; provided that at least one of R1's comprises a polymerizable group.

Abstract: High refractive index copolymers suitable for use in ophthalmic devices are disclosed. The copolymers comprise two or more aryl hydrophobic monomers and a non-polymerizable propylene oxide-ethylene oxide-propylene oxide block copolymer surfactant having a molecular weight of approximately 3600 and approximately 40% ethylene oxide units by weight. The copolymers have a reduced tendency to form glistenings when stored in water at physiological temperatures compared to similar copolymers lacking the non-polymerizable surfactant.

Abstract: This invention relates to latex dispersions that are based on (co)polymers with one or more n-alkyl(meth)acrylate monomers with n a varying from 6 to 40, and optionally one or more monomers that are not very water-soluble of the (meth)acrylic and/or vinyl type, optionally one or more polar monomers that are selected from among the (meth)acrylamides and their derivatives and optionally one or more monomers that are selected from among the ethylenically unsaturated monocarboxylic and/or dicarboxylic acids or anhydrides. These dispersions are obtained by radical-type emulsion polymerization in the presence of water. They can be used as is for the inhibition of the deposition of paraffins that are contained in the crude petroleum hydrocarbons or else diluted in one or more solvents.

Abstract: High refractive index copolymers suitable for use in ophthalmic devices are disclosed. The copolymers comprise a single aryl hydrophobic monomer as a device forming monomer. In addition, the copolymers comprise a non-polymerizable block copolymer surfactant. The copolymers have a reduced tendency to form glistenings when stored in water at physiological temperatures.

Abstract: The present invention relates to a process for producing polymer fibers, especially nano- and mesofibers, by electrospinning a colloidal dispersion of at least one essentially water-insoluble polymer in an aqueous medium, and to fibers obtainable by this process, to textile fabrics comprising the inventive fibers, and to the use of the inventive fibers and of the inventive textile fabrics.

Abstract: Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are polymerization catalysts for the (co)polymerization of olefins such as ethylene and ?-olefins, and the copolymerization of such olefins with polar group-containing olefins. These and other nickel complexes of neutral and monoanionic bidentate ligands copolymerize ethylene and polar comonomers, especially acrylates, at relatively high ethylene pressures and surprisingly high temperatures, and give good incorporation of the polar comonomers and good polymer productivity. These copolymers are often unique structures, which are described.

Abstract: Disclosed is a method for preparing a cycloolefin polymer containing polar functional groups, comprising the steps of: a) preparing a catalyst mixture including i) a precatalyst; ii) a first cocatalyst; and iii) a second cocatalyst; and b) subjecting a monomer solution comprising a norbornene-based compound containing a polar functional group to an addition polymerization reaction in the presence of an organic solvent and the catalyst mixture, wherein the product yield of the prepared polymer is 50% by weight or more based on the total weight of the monomer.

Abstract: Disclosed is a method for preparing a cycloolefin polymer containing polar functional groups, comprising: preparing a catalyst mixture including i) a precatalyst, containing a Group 10 transition metal having a ligand containing oxygen ions bonded to the metal; ii) a first cocatalyst which is an organic compound containing a Group 15 element; and iii) a second cocatalyst which is capable of providing an anion and weakly coordinating to the metal of the precatalyst; and subjecting a monomer solution comprising a norbornene-based compound containing a polar functional group to an addition polymerization reaction in the presence of an organic solvent and the catalyst mixture, at a temperature of 80-200° C., the total amount of the organic solvent being 50-800% by weight based on the total weight of the monomer contained in the monomer solution, and the product yield of the polymer being 50% by weight or more based on the total weight of the monomer.

Abstract: The invention is based on the discovery that certain polyester compounds bearing free-radical curable moieties are useful as b-stageable adhesives for the microelectronic packaging industry.

Abstract: An intraocular lens comprising a polymer that is prepared from a monomer mixture comprising a monomer of formula G-D-Ar??(I) wherein Ar is a C6-C24 aromatic group having a hydrophilic substituent, D is a divalent linking group, and G is a reactive functional group selected from the group consisting of acryloyl, acryloyloxy, methacryloyl, methacryloyloxy and mercapto. The polymer has an equilibrium water content of greater than 4.5 percent by weight.

Abstract: The invention provides a medical implant or medical implant part comprising porous ultrahigh molecular weight polyethylene having a weight average molecular weight of about 400,000 atomic mass units or more and a porosity of about 15% to about 65%. The invention further provides a process for producing a medical implant or medical implant part.

Abstract: A curable composition includes an olefinically unsaturated monomer and a poly(arylene ether) having two polymerizable groups and an intrinsic viscosity of about 0.05 to about 0.30 deciliters per gram. The composition exhibits an improved combination of high flow during molding and high post-cure stiffness and impact strength. The composition is particularly useful for fabricating plastic-packaged electronic devices.

Abstract: Biocompatible copolymers are manufactured to include a zwitterionic monomer and an alkoxy acrylate monomer. The alkoxy acrylate monomer can be a 2-methoxyethyl methacrylate (MOEMA) or 2-ethoxyethyl methacrylate (EOEMA). Alternatively, the alkoxy acrylate can be 2-methoxyethyl acrylate (MOEA) or 2-ethoxyethyl acrylate (EOEA). The alkoxy acrylate monomers advantageously give the zwitterionic copolymers greater ductility, strength, and toughness while maintaining a desired amount of hydrophilicity. The improved toughness allows the zwitterionic copolymers to be processed without cross-linking, which improves the elongation properties of the zwitterionic copolymer, and reduces the risk of cracking during use.

Abstract: A rotor/stator apparatus is proposed, with a bearing block, a casing (1), a rotor shaft mounted therein, on whose end directed toward the casing a rotor designed with a conical surface has been secured, there being a stator (2) secured within the casing and concentrically associated with the rotor, where those surfaces that face toward one another of the rotor (2) and of the stator (3) form a gap upstream of which there is an axial feed neck and downstream of which there is a radial outlet neck, where rotor and stator have been mounted so as to be capable of axial shift in order to form a gap with adjustable gap width, wherein one or more holes extending to the exterior has/have been provided in the region of the feed aperture of the rotor/stator apparatus in the feed line prior to and very close to the rotor/stator apparatus and/or in the casing (1) and/or in the stator (2), and alongside the outlet aperture at least one further hole has been provided in the annular space around the shear gap.

Abstract: There is provided a surface treatment agent which comprises a fluoropolymer having repeating units derived from a fluorine-containing monomer of the formula: wherein (a) the fluoropolymer contains a silicon atom, and/or (b) the surface treatment agent contains a fluorine-free polymer which is different from the fluoropolymer and which is a silicon-containing polymer. The surface treatment agent imparts excellent water- and oil-repellency and soil resistance to textiles while retaining the feeling of the textiles, even if the surface treatment agent contains a fluorine-containing acrylate polymer substituted at its ?-position by a fluorine atom, a chlorine atom or the like.

Abstract: Disclosed herein is a method of forming a polymer, wherein the polymer is formed by a radical polymerisation reaction initiated by a solid oxide compound.