Abstract: The present invention provides a polarization-independent terahertz wave control element, and provides a method for manufacturing a polarization-independent terahertz wave control element.

Abstract: A polymer dispersion is produced by polymerization of at least two different ethylenically unsaturated monomers in at least first and second stages. The polymer produced in the first stage comprises 25 to 60% by weight of the total monomer composition and has a uniform glass transition temperature from ?30° C. to 0° C. The polymer produced in the second stage comprises 40 to 75% by weight of the total monomer composition and has a variable monomer composition such that the second stage polymer has a non-uniform glass transition temperature which varies between a first value from ?30° to +10° C. and second value of at least +70° C. Any polymer produced in further polymerization stages comprises no more than 10% by weight of the total monomer composition and the glass transition temperature of the hypothetical uniform copolymer produced by the total monomer composition is in the range from 0° C. to 25° C.

Abstract: The present invention provides a durable, external surfactant free, cationic, water based jet ink polymer which when formulated into an ink jet ink results in a printing that has an excellent adhesion to metal or plastic substrates. Such a jet ink polymer is suitable performance replacement of solvent soluble polymers currently in commercial use. The hybridized copolymer comprises a hydrophobic functional polymeric backbone comprised of a polysiloxane polymer, a polyolefin polymer, or a functional polyvinyl polymer. The hybridized copolymer also comprises a plurality of copolymeric side chains attached to the backbone, comprising a polymerizable amine-containing unsaturated monomer, and a polymerizable unsaturated monomer. The use of the inks of the present invention enhances performance criteria such as print-head open time, ink stability, and resistance to typical water based cleaners.

Abstract: Provided is a process for the preparation of methacrylate-based polymers soluble in aqueous medium, which can be used, in particular, as associative and non-associative thickeners.

Abstract: A rubber composition obtained by kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component and a filler, and a method of improving the viscoelastic property of vulcanized rubber, comprising a first step of kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component, a filler and a sulfur component and a second step of thermally treating the kneaded material obtained in the previous step. (A1): a compound represented by formula (I) (B1): a salt of a compound represented by formula (I) (C1): a solvate of a compound represented by formula (I) (D1): a solvate of a salt of a compound represented by formula (I).

Abstract: The invention features a method of creating a polymer brush bearing covalently bound polymeric side chains, comprising the steps of: (a) deposition, onto a substrate, of a halogen containing initiator film or a precursor which is derivatized into a halogen containing initiator film; (b) surface ATRP growth, from the halogen containing initiator film formed in step (a), of a polymeric brush backbone incorporating side groups; (c) growth, from the polymeric brush backbone formed in step (b), of polymeric side chains on the polymeric brush backbone, to form a polymer brush in which the polymeric side chains constitute the bristles of the brush.

Abstract: Disclosed is a resin composition for laser engraving comprising (Component A) a polymer having a monomer unit derived from a conjugated diene-based hydrocarbon, (Component B) a compound having an acid group and an ethylenically unsaturated bond; and (Component C) a polymerization initiator.

Abstract: A method for preparing and resulting articles of manufacture comprising a substrate having a surface, a bulk beneath the surface, and a grafted polymer layer on the substrate surface, the substrate surface and the grafted polymer layer, in combination, constituting a modified surface having a fibrinogen adsorption of less than about 125 ng/cm2 in a fibrinogen binding assay in which the modified surface is incubated for 60 minutes at 37° C. in 70 ?g/mL fibrinogen derived from human plasma containing 1.4 ?g/mL I-125 radiolabeled fibrinogen.

Abstract: This invention discloses a surface anti-biomolecule agent for an artificially or naturally charged substrate. The anti-biomolecule agent comprises a copolymer employing anchoring blocks or domains to binds sites of the substrate via electrostatic attractive force, and employing zwitterionic blocks or domains extended outwardly to reduce the attachment of biomolecules to the substrate.

Abstract: The present invention relates to the preparation of block copolymers, which can be used in particular as rheology agents, suitable, inter alia, for oil extraction, comprising a step of radical micellar polymerisation wherein the following are brought into contact in an aqueous medium: —hydrophilic monomers, dissolved or dispersed in the aqueous medium; —hydrophobic monomers in the form of a micellar solution, i.e. containing, in a dispersed state, micelles comprising these hydrophobic monomers; —at least one radical polymerisation initiator; and —at least one radical polymerisation control agent. The polymers obtained according to the invention can be used in particular for enhanced oil recovery (EOR).

Abstract: In accordance with various aspects of the invention, implantable and insertable medical devices are provided, which contain one or more polymeric regions. In one aspect, the polymeric regions comprise (a) a block copolymer that comprises a polyaromatic block and a polyalkene block admixed with (b) a sulfonated high Tg polymer. In another aspect, the polymeric regions comprise a block copolymer that comprises (a) a sulfonated polymer block and (b) fluorinated polymer block.

Abstract: The present invention relates to anaerobically curable compositions demonstrating resistance to elevated temperature conditions.

Abstract: Disclosed is a resin composition for laser engraving, comprising (Component A) a binder polymer and (Component B) a crosslinking agent, and a crosslinked relief-forming layer formed from the composition being depolymerizable. Component A preferably comprises (Component A-1) a depolymerizable binder polymer. Component A-1 preferably comprises any one selected from the group consisting of a polyester resin, a resin containing at least 50 mol % of a (meth)acrylic acid ester as a monomer unit, and a resin containing at least 50 mol % of ?-methylstyrene as a monomer unit.

Abstract: The invention relates to the field of polymers and olefin polymerization, and more specifically olefin metathesis polymerization. The invention provides regioregular alternating polymers and methods of synthesizing such polymers.

Abstract: The present invention relates to surface modifying agents for polymeric and/or textile materials, methods of making and/or using a surface modifying agent to modify and functionalize polymeric and/or textile materials, and/or methods of using surface modified or functionalized polymeric and textile materials, and/or products using or incorporating surface modified or functionalized polymeric and textile materials. For example, the surface modifying agent in precursor form can be styrene sulfonyl azide monomer, polymer or copolymer capable of undergoing a chemical reaction in the presence of heat or light to form one or more styrene sulfonated nitrene monomers, polymers or copolymers, which are capable of chemically reacting with the surface of a polymeric or textile material to endow a specific or desired chemical surface functionality to the surface of a polymeric or textile material.

Abstract: There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form.

Abstract: Disclosed are soft, high refractive index, acrylic device materials. The materials contain a hydrophilic side-chain macromer for glistening resistance.

Abstract: It is to provide a polymer having a high antistatic function, a high solubility to solvent and high compatibility to a formulation, and an antistatic agent, curable composition or a water repellent and oil repellent comprising the polymer. It is a linear block polymer, block star polymer or block graft polymer in which at least one block is a block wherein an anion and a counter cation form an onium salt on the polymer chain side, and a composition comprising the same. It is preferred that a linear block polymer has a number average molecular weight of 20000 or less, and a block star polymer and block graft polymer has a number average molecular weight of 10000 or more.

Abstract: The present invention pertains to salt modified copolymers wherein one of the monomer units contains a quaternized N-atom structure with a polar substituent. The invention further relates to the use of said copolymers as dispersant especially for color filters.

Abstract: The invention concerns polymer systems comprising at least one polymer with a plurality of pores where the polymer is initially functionalized on substantially all surfaces followed by a stepwise surface specific functionalization such that a different functional group resides on the external or internal pore surface of the bead. The invention also concerns use of such polymer systems in blood, blood product, or physiologic fluid purification.

Abstract: The present invention relates to compositions comprising a polymeric substrate comprising at least one volume excluding polymer. In one embodiment, the present invention provides polymeric articles that are capable of acting as osmotic drivers. The articles are capable of maintaining a desired water balance by moving water in or out of a substrate to maintain cation concentration equilibrium between the substrate and its environment.

Abstract: Provided are: surface modification method for imparting slidability to surface of elastic body such as vulcanized rubber or thermoplastic elastomer without using expensive self-lubricating resin; surface-modified elastic body with polymer brush formed on its surface; and gasket for injector and injector formed of surface-modified elastic body. The surface modification method applies to surface of thermoplastic elastomer or vulcanized rubber.

Abstract: There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form.

Abstract: An object of the present invention is to provide a reactive urethane compound having superior curability, adhesion to substrates, transparency, molecular flexibility, and mechanical properties, a curable composition containing the compound, and a cured material formed from the composition. An ethylenically-unsaturated-group containing reactive urethane compound of the present invention is represented by formula (I): wherein R1 and R2 are each independently a hydrogen atom or an alkylene group; R3 is a hydrogen atom, a alkyl group, or an aryl group; R4 is a single bond or an alkylene group; R5 is a hydrogen atom or a methyl group; R6 is an oxygen atom, a sulfur atom, or an imino group; n is 2 to 12; m is 1 to 300; and X is an aliphatic, aromatic or heterocyclic compound residue.

Abstract: A proton exchange membrane comprising modified hyper-branched polymer is disclosed. The proton exchange membrane includes 85-90 wt % of sulfonated tetrafluorethylene copolymer and 15-10 wt % of modified hyper-branched polymer. The modified hyper-branched polymer comprises the bismaleimide (BMI)-based hyper-branched polymer, and parts of the chain ends of the hyper-branched polymer are sulfonated by the sulfonic compound. Also, the modified hyper-branched polymer and sulfonated tetrafluorethylene copolymer are interpenetrated to form an interpenetrating polymer. Furthermore, the modification step could be performed before or after forming the interpenetrating polymer. For example, the sulfonation is proceeded after forming the interpenetrating polymer. Alternatively, the sulfonation of the hyper-branched polymer could be proceeded before the formation of the interpenetrating polymer.

Abstract: A pre-cursor block copolymer for sulfonation which, prior to hydrogenation, has the general configuration A-B-A, A-B-A-B-A, (A-B-A)nX, (A-B)nX, A-D-B-D-A, A-B-D-B-A, (A-D-B)nX, (A-B-D)nX or mixtures thereof, wherein A, B and D blocks do not contain any significant levels of olefinic unsaturation. Each A and D block is a polymer block resistant to sulfonation, and each B block is a polymer block susceptible to sulfonation. Each A block is a segment of one or more polymerized para-substituted styrene monomers, each B block contains segments of one or more vinyl aromatic monomers selected from polymerized (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof, and each D block contains polymers having a glass transition temperature less than 20° C. and a number average molecular weight of between 1,000 and 50,000.

Abstract: There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form.

Abstract: In accordance with various aspects of the invention, implantable and insertable medical devices are provided, which contain one or more polymeric regions. In one aspect, the polymeric regions comprise (a) a block copolymer that comprises a polyaromatic block and a polyalkene block admixed with (b) a sulfonated high Tg polymer. In another aspect, the polymeric regions comprise a block copolymer that comprises (a) a sulfonated polymer block and (b) fluorinated polymer block.

Abstract: Pressure-sensitive adhesive tape made of a flat, support material each side of which is coated with a pressure-sensitive adhesive, the pressure-sensitive adhesive on at least one side being produced from a monomer mixture comprising a monomer of the formula CH2?CH(R1)(COOR2), where R1?H or CH3 and R2 is an alkyl radical having 1 to 10 carbon atoms or H and the homopolymer possesses a static glass transition temperature of <?30° C.

Abstract: A sulfonated block copolymer which is solid and non-dispersible in water having at least two polymer end blocks A and at least one interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to sulfonation, wherein the A and B blocks do not contain any significant levels of olefinic unsaturation. Each A block includes one or more segments selected from polymerized (i) ethylene, (ii) monomers of conjugated dienes having a vinyl content less than 35 mol percent prior to hydrogenation, and (iii) mixtures thereof; and each B block comprising segments of one or more polymerized vinyl aromatic monomers selected from (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof.

Abstract: To provide a resist polymer comprising, as a structural unit, an acid-decomposable unit having a structure represented by formula (1) or (2) which exhibits a small line edge roughness and produces little defects in DUV excimer laser lithography or the like.

Abstract: An aspect of the present invention relates to a binder resin composition for a magnetic recording medium, which comprises a vinyl chloride resin containing a radiation-curable functional group, and a methacrylate compound denoted by formula (A): in an amount of equal to or more than 0.3 weight percent but equal to or less than 10 weight percent relative to a content of the vinyl chloride resin.

Abstract: Provided is a method for preparing a styrene-butadiene copolymer having improved silica affinity through introduction of a novel reactive emulsifier. The styrene-butadiene copolymer prepared according to the disclosed method has superior affinity for thereby and thus has superior processability and tensile properties and remarkably improved dynamic properties. Therefore, when the styrene-butadiene copolymer according to the present invention is used as a tire tread material, it can greatly improve its physical properties.

Abstract: A golf ball having a polymer layer that has been subjected to impregnation treatment with an isocyanate and/or isothiocyanate-containing olefin compound exhibits at least one improved golf ball attribute, such as scuff resistance or spin performance, compared with an original golf ball that has not been treated by impregnation.

Abstract: A method for varying the transport properties of a film cast from a polymer having at least two polymer end blocks A and at least one polymer interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to sulfonation, and wherein said A and B blocks do not contain any significant levels of olefinic unsaturation. The method includes casting the polymer using a solvent mixture having two or more solvents selected from the group consisting of polar solvents and non-polar solvents.

Abstract: The composition and preparation of multiple graft low molecular weight polymers useful as dispersants are described. The dispersants described are suitable for controlling sludge and varnish as well as soot. The product is useful as a lubricant additive and a fuel additive.

Abstract: A proton conductive membrane displays sufficient proton conductivity even at low humidities and low temperatures. The proton conductive membrane includes: a block copolymer including an ion conductive polymer segment (A) and an ion nonconductive polymer segment (B), the segment (A) and the segment (B) being covalently bound in a manner such that main chain skeletons of the segments are covalently bound at aromatic rings thereof through binding groups, (i) the membrane having a morphology including a microphase separated structure, (ii) the ion conductive polymer segment (A) forming a continuous phase.

Abstract: A sulfonated block copolymer which is solid and non-dispersible in water having at least two polymer end blocks A and at least one polymer interior block B wherein each A block is a polymer containing essentially no sulfonic acid or sulfonate functional groups and each B block is a polymer block containing 10 to 100 mol percent sulfonic acid or sulfonate functional groups based on the number of monomer units of the B block, and wherein said A and B blocks do not contain any significant levels of olefinic unsaturation. Also claimed are processes for making such block copolymers, and the various end uses and applications for such block copolymers.

Abstract: It is an object of the present invention to provide an active energy ray curable resin composition exhibiting good adhesion to a polyolefin-based resin base material. More specifically, there is provided an active energy ray curable resin composition comprising: a block copolymer (C) that includes a polymer block (A) composed mainly of an olefin-based monomer unit and a polymer block (B) composed of a vinyl-based monomer unit having a carboxyl group, a carboxylic anhydride group, or a sulfonic acid group and/or a second vinyl-based monomer unit copolymerizable with the aforementioned vinyl-based monomer unit, the block copolymer (C) having a weight-average molecular weight from 5,000 to 100,000; and an active energy ray curable compound (D).

Abstract: A proton exchange membrane and method for formation the same is disclosed. When forming the proton exchange membrane, first, a bismaleimide and barbituric acid are copolymerized to form a hyper-branched polymer. Next, the solvent of the sulfonated tetrafluorethylene copolymer (Nafion) aqueous solution is replaced with dimethyl acetamide (DMAc). 10 to 15 parts by weight of the hyper-branched polymer is added to 90 to 85 parts by weight of the Nafion in the DMAc solution, stood and heated to 50° C. for inter-penetration of the hyper-branched polymer and the Nafion. The heated solution is coated on a substrate, baked, and pre-treated to remove residue solvent to complete formation of the proton exchange membrane.

Abstract: A process for preparing sulfonated block copolymers that are solid in water having at least two polymer end blocks A and at least one polymer interior block B involving sulfonating the interior block B until substantially sulfonated. Each A block having one or more segments selected from polymerized (i) para-substituted styrene monomers, (ii) ethylene, (iii) alpha olefins of 3 to 18 carbon atoms; (iv) hydrogenated 1,3-cyclodiene monomers, (v) hydrogenated monomers of conjugated dienes having a vinyl content less than 35 mol percent prior to hydrogenation, (vi) acrylic esters, (vii) methacrylic esters, and (viii) mixtures thereof. Each B block having segments of one or more polymerized vinyl aromatic monomers selected from (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof.

Abstract: A sulfonated block copolymer which is solid and non-dispersible in water having at least two polymer end blocks A and at least one interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to sulfonation, wherein the A and B blocks do not contain any significant levels of olefinic unsaturation. Each A block having one or more segments selected from (i) acrylic esters, (ii) methacrylic esters, and (viii) mixtures thereof; and each B block comprising segments of one or more polymerized vinyl aromatic monomers selected from (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof.

Abstract: The present invention pertains to salt modified copolymers wherein one of the monomer units contains a quaternized N-atom structure with a polar substituent. The invention further relates to the use of said copolymers as dispersant especially for color filters.

Abstract: Disclosed is a method of preparing a modified halogenated polymer surface, comprising the steps of (a) activating the surface by modification with a polymerisation initiator by (a1) reacting the halogenated polymer surface with sodium azide and subsequent (a2) 1,3 dipolar cycloaddition with an alkine-functionalized initiator; or (a3) reacting the halogenated polymer surface with mercapto-functionalized initiators; and (b) reacting the activated surface obtained in steps (a1)/(a2) or (a3) with polymerizable monomeric units A and/or B. The modified halogenated polymer substrates according to the invention exhibit outstanding properties.

Abstract: A composition having a sulfonated block copolymer which is solid and non-dispersible in water having at least two polymer end blocks A, at least one polymer interior block B, and at least one polymer block D. Each A block is a segment of one or more polymerized para-substituted styrene monomers, each B block contains segments of one or more vinyl aromatic monomers selected from polymerized (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof, and each D block having a glass transition temperature of less than 20° C. and a number average molecular weight of between 1,000 and 50,000 Adhesives, coatings and membranes are formed from the composition. Various articles are formed with the composition including films, fibers, fabrics, laminates, and absorbent cores.

Abstract: There is provided herein a dryer polymer substance comprising a polymer grafted with a compound having sulfonic groups, wherein the substance is adapted to pervaporate a fluid such as water, water vapor or both. There is further provided a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid, the process includes processing a polymer into a desired form, activating at least a portion of the polymer, and grafting the activated portion of the polymer with a compound having groups adapted to be sulfonated.

Abstract: The present invention is a, solid block copolymer comprising at least two polymer end blocks A and at least one polymer interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to sulfonation, and wherein said A and B blocks do not contain any significant levels of olefinic unsaturation.

Abstract: Pressure-sensitive adhesive tape made of a flat, support material each side of which is coated with a pressure-sensitive adhesive, the pressure-sensitive adhesive on at least one side being produced from a monomer mixture comprising a monomer of the formula CH2?CH(R1)(COOR2), where R1=H or CH3 and R2 is an alkyl radical having 1 to 10 carbon atoms or H and the homopolymer possesses a static glass transition temperature of <?30° C.

Abstract: Described are a method of killing microorganisms in aqueous industrial systems or products for industrial applications based on water by adding from 0.001 to 5% by weight of a water-soluble or water-dispersible polymer containing from 30 to 100 mol % of styrenesulfonic acid, from 0 to 40 mol % of an N-vinyllactam and/or N-vinylamine, and from 0 to 30 mol % of further free-radically polymerizable monomers as biocidal additive, and a method of protecting articles by applying an antimicrobial aqueous composition comprising such an additive.

Abstract: Process of free-radical polymerization in aqueous dispersion for the preparation of polymers, employing (A) at least one ethylenically unsaturated monomer, one of which is employed as the principal monomer and is selected from styrene and its derivatives, acrylic acid and its derivatives, methacrylic acid and its derivatives, dienes, vinyl esters, vinyl ethers, vinylic pyridine derivatives, vinylsulphonic acid and its derivatives, vinylphosphonic acid and its derivatives, and N-vinyl monomers, (B) at least one free-radical initiator selected from diazo compounds, peroxides and dialkyldiphenylalkanes, (C) molecular iodine, and (D) at least one oxidizing agent whose solubility in water is at least 10 g/l, of which at least one may be the one (B); said process comprising the steps whereby (1) at least one fraction of each of compounds (A), (B), (C) and (D) is introduced into a reactor, and (2) the contents of the reactor are reacted while introducing into the reactor the remainder, where appropriate, of each of