Abstract: Aqueous binders for fibrous and granular substrates, based on hydrophobically modified polymers.

Abstract: A sorbent polymer is provided that interacts or reacts with aqueous urea to aid the regeneration of a dialysate liquid. The sorbent polymer may include one or more specific functional groups bonded thereto. Such specific functional groups are selected from carboxylic acids, carboxylic acid esters, carboxylates, amides, dicarboxylic acids, dicarboxylic acid esters, and dicer boxylates to produce the desired urea sorbent.

Abstract: Disclosed is a primer composition for coating having excellent adhesion properties to a substrate and comprising a polyolefin resin or acrylic resin, without the use of a chlorine-containing compound, which primer composition essentially comprises a polymer (A) having at least a unit of a (meth)acrylic ester monomer (a) in which acryloyloxy group or methacryloyloxy group is bonded to secondary carbon atom or tertiary carbon atom.

Abstract: The present invention relates to novel hydrophilic swellable addition polymers comprising improved odor control, a process for their preparation and their use for absorbing aqueous fluids and a process for screening superabsorbents.

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: Among other things, a process for producing an agglomerated superabsorbent polymer particle and an agglomerated superabsorbent polymer particle are disclosed. The process comprises the steps of: (A) bringing superabsorbent polymer fine particles having at least about 40 wt. %, a particle size of less than about 150 ?m into contact with a fluid comprising to more than about 10 wt. % a cross-linkable, uncrosslinked polymer based on polymerized, ethylenically unsaturated, acid group-bearing monomers or salts thereof; and (B) cross-linking the uncrosslinked polymer by heating the superabsorbent polymer fine particles and the fluid to a temperature from about 20 to about 300° C., so that the cross-linkable, uncrosslinked polymer at least partially crosslinks.

Abstract: The object of the present invention is to provide antifoams which have a good antifoam effect in aqueous dispersions of polymeric organic substances, cause no wetting defects when these dispersions are applied to a surface and at the same time retain their antifoam activity even after prolonged storage at temperatures down to the freezing point.

Abstract: A process comprises depolymerizing, with 1,4-butane diol, a first polymer comprising a polyethylene terephthalate component in the presence of at least one second polymer selected from the group consisting of polyvinyl chlorides, polyvinylidene chlorides, polyamides, polylactic acid, and combinations thereof to produce a molten mixture; and polymerizing the molten mixture under conditions sufficient to form a modified polybutylene terephthalate copolymer. The modified PBT comprises (a) at least one polyethylene terephthalate component residue, and (b) a member selected from the group consisting of (i) the at least one second polymer selected from the group consisting of polyvinyl chlorides, polyvinylidene chlorides, polyamides, polylactic acid, and combinations thereof; (ii) the at least one residue derived from the second polymer; and (iii) combinations thereof.

Abstract: An object of the present invention is to provide a method for easily producing granular carboxyl group-containing polymer particles which have a high bulk density and readily swell in water. The present invention provides a method for producing granular carboxyl group-containing polymer particles, which includes: producing carboxyl group-containing polymer particles; preparing an aggregate of the carboxyl group-containing polymer particles by allowing the carboxyl group-containing polymer particles to absorb an polar organic solvent to a liquid content of 5 to 25% by mass; and drying the aggregate of the carboxyl group-containing polymer particles and then grinding the dried aggregate.

Abstract: The present invention relates to a cell-occlusive membrane, obtainable by reaction of at least two precursors in the presence of water. The first precursor A comprises a core and n chains each having a conjugated unsaturated group or a conjugated unsaturated bond, and the second precursor B comprises a core and m chains each having a thiol group, wherein m is greater than or equal to 2, n is greater than or equal to 2, and m+n is greater than or equal 5. The reaction forms a three dimensional network with crosslinking-points. The adjacent crosslinking-points are connected by a chain having less than 600 atoms.

Abstract: A non-linear optical device comprising a polymer configured to provide a grating holding ratio of 20% or higher after about four minutes, wherein the polymer comprises a first repeating unit comprising a first moiety having formula (M-1) and a second repeating unit comprising a second moiety having formula (M-2), as defined herein.

Abstract: The present invention relates to the formation of low volatile anhydride-containing aromatic vinyl polymers by polymerizing the half ester of the anhydride with a vinyl aromatic monomer followed by devolatilizing the half-ester and reforming the anhydride at elevated temperatures and reduced pressures.

Abstract: An allyl type crosslinking agent for use in production of a super water-absorbent polymer comprising a polymerizable compound having a carbon-carbon double bond or a salt thereof. The crosslinking agent comprises a linear hydroxypolyallyl ether having at least one hydroxyl group and at least two allyl groups obtained by allyletherification of hydroxyl groups in a linear polyol compound selected from the group consisting of erythritol, xylitol and sorbitol. This allyl type crosslinking agent is highly soluble in an aqueous solvent, and can give an excellent super water-absorbent polymer, which cannot be obtained in the prior arts, having high levels of both of water absorptivity under atmospheric pressure and water absorptivity under pressurized conditions.

Abstract: An aqueous dispersion is prepared by subjecting (meth)acrylate containing a polyfluoroalkyl group and a polymerizable monomer containing no fluorine atom to an emulsification treatment in the presence of a surfactant and a polypropyleneglycol-based compound having a molecular weight of 250 to 5,000, followed by copolymerization reaction in the presence of a polymerization initiator. The resulting aqueous dispersion, even if prepared from (meth)acrylate copolymer containing mixed perfluoroalkyl groups including perfluoroalkyl groups having 12 or more carbon atoms as polyfluoroalkyl groups, has a distinguished emulsion stability and thus can be effectively used as a water and oil repellent, etc.

Abstract: A tackifier resin is provided comprising monomer units from at least one aromatic monomer and at least one acrylate monomer; wherein the tackifier resin has a low residual monomer concentration. In other embodiments of the invention, the tackifier resin does not significantly decrease the moisture vapor transport rate of an adhesive composition comprising the tackifier resin, does not significantly increase fogging of an adhesive composition comprising the tackifier resin, and does not significantly exhibit skin sensitivity properties. A process to produce the tackifier resin is also provided. The process comprises contacting a tackifier resin product stream with at least one carrier at a temperature sufficient to remove a portion of at least one residual monomer from the tackifier resin product stream to produce the tackifier resin.

Abstract: This invention relates a copolymer (D) containing (A) methacrylic polymer units each having, at an end thereof, at least one group represented by the below-described formula (1) and (B) units of an aromatic vinyl monomer, wherein a weight ratio (A:B) of the units (A) to the units (B) is A:B=5 to 95:95 to 5; and its use. The present invention can provide inter alia a copolymer useful as a pigment dispersant or the like capable of affording pigment dispersions useful for inkjet inks, colors for color filters, and other applications.

Abstract: A polar group-containing olefin copolymer having excellent adhesion properties to metals or polar resins and excellent compatibility therewith, a process for preparing the copolymer, a thermoplastic resin composition containing the copolymer, and uses thereof. The polar group-containing olefin copolymer comprises a constituent unit derived from an ?-olefin of 2 to 20 carbon atoms, and a constituent unit derived from a straight-chain, branched or cyclic polar group-containing monomer having at the end a polar group such as a hydroxyl group or an epoxy group and/or a constituent unit derived from a macromonomer having at the end a polymer segment obtained by anionic polymerization, ring-opening polymerization or polycondensation. The polar group-containing olefin copolymer can be prepared by polymerizing the ?-olefin with the polar group-containing monomer and/or the macromonomer in the presence of a metallocene catalyst.

Abstract: Alkyldiketene-containing aqueous polymer dispersions which are obtainable by miniemulsion polymerization of hydrophobic monoethylenically unsaturated monomers in the presence of alkyldiketenes, processes for the preparation of such polymer dispersions and the use of the thus obtainable dispersions as sizes for paper or as water repellents for leather, natural and/or manmade fibers and textiles.

Abstract: The present invention provides a method for producing an (meth)acrylate syrup by bulk polymerization which is characterized by: a) using (meth)acrylate ester monomer; and b) using 2,4-diphenyl-4methyl-1-pentenol singly or together with a thiol chain transfer agent as a chain transfer agent, c) initiating polymerization by adding an initiator having the half-life of up to 30 minutes at 55-80° C. of initial reaction temperature, so as to maintain the peak reactor temperature below 95° C. and the reactor conversion rate as 5-50 weight %. The method for producing an (meth)acrylate syrup 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 without stirring failure, and a partially polymerized (meth)acrylate syrup can also be prepared therefrom.

Abstract: The invention pertains to low polydispersity acrylic polymers useful for photoimaging and photoresist compositions, and to the photoimaging processes which use these compositions. The low polydispersity polymers of this invention are prepared using controlled radical polymerization (CRP) techniques, such as RAFT (reversible addition fragmentation chain transfer) polymerization.

Abstract: A polymeric dispersant having a block copolymer structure or a segmented oligomer structure wherein the block copolymer structure or segmented oligomer structure includes a segment polymerized by monomers according to Formula (I): wherein; R1 represents hydrogen or methyl; Y represents O, S, or NH; Aryl represents an aromatic group or a heteroaromatic group; and X represents hydrogen, an alkyl group, or a cation. A process for manufacturing the polymeric dispersant and the application of the polymeric dispersant in pigment dispersions, inkjet inks, and colored layers.

Abstract: Methods of making a coating on a medical device are disclosed, including associating a composition with at least a portion of the device to form a layer. In some embodiments, a composition may include a copolymer prepared from a room temperature melt of a plurality of monomer units that comprises a first monomer unit and a second monomer unit, wherein the second monomer unit has a glass transition temperature that is at least about 30 degrees Centigrade higher than the glass transition temperature of the first monomer unit, with a glass transition temperature of a monomer unit being defined as a glass transition temperature of a homopolymer of that monomer unit.

Abstract: The present invention relates to superabsorbent polymer particles having functionalizers covalently bound to the surface of precursor superabsorbent polymer particles. The functionalizers of the present invention comprise a grafting unit with a radiation activatable group and a functional unit covalently bound to the grafting unit. The grafting unit is bound to an aliphatic C—H group comprised at the surface of the precursor superabsorbent polymer particle. The functional unit comprises chemical structures which are not present in the precursor superabsorbent polymer particle. These functional units add an additional function to the precursor suberabsorbent polymer particle or modifying an existing function of the precursor superabsorbent polymer particle. Moreover, the invention relates to a process for making these superabsorbent polymer particles.

Abstract: The present invention relates to a linear ethylenic block copolymer comprising in each block at least one ionic hydrophilic unit, which may be different from one block to another, the said ionic hydrophilic unit being present in each block in a proportion of from 2% to 100% by weight relative to the weight of the said block. The invention also relates to a cosmetic or pharmaceutical composition comprising such a copolymer, and also to a cosmetic process for making up or caring for keratin materials using the said composition.

Abstract: The invention provides a block polymer compound enabling satisfactory dispersion of a colorant in a solvent, and an ink composition containing such block polymer compound. The block polymer compound of the invention is a block polymer compound having at least three block segments, comprising block segments A, B and C arranged in succession, wherein the block segment C is most solvent attractive while the block segment A is most solvent repulsive, and at least either one of the block segments includes an ionic group or an acidic group.

Abstract: The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-resistant (co)polymer, preferably a fluoropolymer. The polymeric resin blend is useful for forming films, and especially films useful for MEAs for use in fuel cells.

Abstract: The present invention relates to a process for the preparation in aqueous solution of water-soluble acrylic polymers or for the preparation in aqueous dispersion of water-dispersible acrylic co-polymers, polymerised from, the total being 100 mol %: a) 5 to 70 mol % of one or more monomer(s) (A) which are (alkoxy)polyalkylene glycol (meth)acrylates and/or ((alkoxy)polyalkylene glycol)(meth)acrylamides; b) 5 to 95 mol % of one or more unsaturated carboxylic monomer(s) (B); and c) 0 to 85 mol % of one or more hydrophobic monomer(s) (C) which are water insoluble, in the absence of a chain-transfer agent, and in the presence of a sufficient amount of a water-soluble alkoxyamine, until a conversion of at least 90% by weight of the monomers (A), (B) and (C) is obtained. The polymer has a polydispersity index Mw/ Mn advantageously <2 and an Mn of between 10 000 g/mol and 50 000 g/mol.

Abstract: There is disclosed a polymer (Polymer P) which is obtained and/or is obtainable from a monomer composition comprising (a) from about 5% to about 95% by weight of at least one C2-12alkyl acrylate; (b) from about 2.5% to about 60% by weight of at least one polymer precursor selected from the group consisting of: C1-30 alkyl(meth)acrylates, C2-30 vinyl aromatic compounds, C2-30 vinyl halides, C2-30 vinyl nitriles, C2-30 vinyl esters of carboxylic acids and mixtures thereof; with the provisos that (i) the homopolymers of each of said polymer precursor(s) have a Tg above about ?25° C.; and (ii) each of said polymer precursor(s) comprises other than a functional group selected from the group consisting of: hydroxy, carboxy, acid anhydride, nitro, epoxy and amino; (c) from about 0.

Abstract: The present invention relates to processes for preparing actinic-radiation-curable and/or dual-cure poly(meth)acrylates by preparing a poly(meth)acrylate containing hydroxy-functional side chains and transesterifying or esterifying the poly(meth)acrylate containing hydroxy-functional side chains with a (meth)acrylate or (meth)acrylic acid. The present invention further relates to the actinic-radiation-curable and/or dual-cure poly(meth)acrylates themselves and to the use of the actinic-radiation-curable and/or dual-cure poly(meth)acrylates in the preparation of dispersions or as a component in coating formulations and topcoats comprising at least one actinic-radiation-curable and/or dual-cure poly(meth)acrylate.

Abstract: A pattern is formed by applying a positive resist composition comprising a polymer comprising hydroxyalkylnaphthalene-bearing recurring units and acid labile group-bearing recurring units onto a substrate to form a resist film, heat treating and exposing the resist film to radiation, heat treating and developing the resist film with a developer to form a first pattern, and causing the resist film to crosslink and cure with the aid of heat or of acid and heat. A second pattern is then formed in the space area of the first pattern. The double patterning process reduces the pitch between patterns to one half.

Abstract: There is provided a positive resist composition, including a base component (A) which exhibits increased solubility in an alkali developing solution under action of an acid, and an acid generator component (B) which generates an acid upon exposure, wherein the base component (A) includes a polymeric compound (A1) containing a structural unit (a0) represented by the general formula (a0-1) shown below: (wherein, R1 represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; A represents a bivalent linking group; B represents a bivalent linking group; and R2 represents an acid dissociable, dissolution inhibiting group).

Abstract: The invention relates to a process for the polymerization of one or more monomers comprising a stage in which the said monomer or monomers is/are brought into contact, in a medium comprising water, with at least one specific initiator of the alkoxyamine type corresponding, for example, to the following formula:

Abstract: This invention relates to the preparation of a copolymer which is used as a dispersing agent for titanate-based ceramic colloids. This copolymer has the following structure: Wherein R1 is H, NH4, alkali metals; R2 is H, NH4, alkali metals; R3 is H, NH4, alkali metals; a is an integer from 1 to 2000; b is an integer from 1 to 5000; and c is an integer from 1 to 1000; n is an integer from 1 to 500.

Abstract: A high molecular weight, water-soluble polymer comprising pendant salicylic acid groups and having a weight average molecular weight of at least about 2,000,000 daltons and use of the polymer for clarifying red mud-containing liquors generated in the Bayer process for the recovery of alumina from bauxite.

Abstract: Initiators for atom transfer radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.

Abstract: The present invention provides a safety laminate or solar cell module comprising an acid terpolymer containing film or sheet, wherein the acid terpolymer comprises copolymerized units derived from an ?-olefin, about 15 to about 30 wt. % of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbons, and about 0.5 to about 40 wt. % of an ?,?-ethylenically unsaturated carboxylic acid ester having 4 to 12 carbons, based on the total weight of the acid terpolymer.

Abstract: Disclosed is a hyperbranched copolymer comprising at least two polymeric branches, which may be identical or different, each comprising at least one at least trifunctional branch point, wherein a first polymeric branch comprises at least one first monomer chosen from isobornyl acrylate, isobornyl methacrylate, isobutyl acrylate, isobutyl methacrylate and 2-ethylhexyl acrylate, a second polymeric branch comprises at least one second monomer chose from isobornyl acrylate, isobornyl methacrylate, isobutyl acrylate, isobutyl methacrylate and 2-ethylhexyl acrylate. Also disclosed is a cosmetic or pharmaceutical composition, for example, a dermatological composition, comprising said hyperbranched copolymer. Further disclosed is a cosmetic method of making up or caring for keratin materials, comprising applying to said materials a cosmetic composition comprising said hyperbranched copolymer.

Abstract: Dental material being polymerizable by ring-opening metathesis polymerization comprising (i) at lest one ruthenium complex bearing at least one N-heterocyclic carbene ligand or precursors which generate a ruthenium complex bearing at least one N-heterocyclic carbene ligand in situ; and (ii) at least one cyclic olefin capable of metathesis.

Abstract: Novel fatty acid monomers and methods for their synthesis are provided for use in polymerization reactions. Fatty acid monomers are employed as reactive diluents in the polymerization of vinyl esters and polyesters for one or more purposes selected from improving the fracture resistance, lowering the processing viscosity and reducing the volatile organic compounds present in the polymerization mixture.

Abstract: Disclosed is a topcoat composition comprising a polymer having a dissolution rate of at least 1500 ?/second in an aqueous alkaline developer, and at least one solvent. The topcoat composition can be used to coat a photoresist layer on a material layer on a substrate, for example, a semiconductor chip. Also disclosed is a method of forming a pattern in the material layer of the coated substrate.

Abstract: The present invention is related to a linear functional polymer having repeating units A, B and D. Unit A represents —CH2—, unit B represents and unit D represents where R1 represents a polar functional group. There are at least four A units separating each B unit, each D unit, and each B and D unit. The value y represents the total number of B units and is an integer greater than or equal to 1. The total number of D units is represented by h and is an integer greater than or equal to 0. And x represents the total number of A units and is an integer sufficient that the molar fraction of the B and D units in the linear functional polymer is represented by a value j defined by the equation: j = y + h x + y + h ? 0.032 . The present invention is also directed to a method for preparing such linear functional polymers by copolymerizing a first polar substituted monomer and a second non-polar unsubstituted monomer.

Abstract: Disclosed is a pressure-sensitive adhesive composition which contains an acrylic polymer and a crosslinking agent. The acrylic polymer has a weight-average molecular weight of 40×104 to 160×104 and contains at least an alkoxyalkyl acrylate (Component A) and an acrylic monomer having a crosslinkable functional group (Component B). The monomer components constituting the acrylic polymer contain 45 to 99.5 parts by weight of Component A and 0.5 to 4.5 parts by weight of Component B to 100 parts by weight of total monomer components constituting the acrylic polymer, and the monomer components constituting the acrylic polymer contain substantially no carboxyl-containing monomers. This relates to improvements to provide pressure-sensitive adhesive compositions that show excellent coatability, transparency, adhesion (typically low-temperature adhesion), and resistance to blistering/separation and concurrently have anticorrosive properties.

Abstract: Cationic polyvinyl acetals are prepared by copolymerizing one or more cationic N-alkyldiallylammonium salt monomers with one or more vinyl esters of branched or unbranched carboxylic acids having 1 to 15 carbon atoms, hydrolyzing the resulting copolymers to copolymers containing ?50 mol % vinyl alcohol units, and acetalizating the vinyl alcohol units with one or more aliphatic aldehydes having 1 to 15 carbon atoms, their acetals, and/or hemiacetals, wherein the copolymerization takes place in a mixture of water and monovalent aliphatic alcohol having a water content of 2% to 35% by weight.

Abstract: An object of the present invention is to provide a pressure sensitive adhesive composition for an optical member, which is excellent in coating property because of low viscosity, can reduce an amount of an organic solvent used, and can form a pressure sensitive adhesive layer excellent in durability and having high surface uniformity.

Abstract: Acrylic polymers are made by the living radical polymerization of acrylic monomers utilizing organo halide initiators with either metal-free or metal catalysts. Moreover, block copolymers of vinyl halide monomers and acrylic monomers are described by generally polymerizing either the vinyl halide monomers or acrylic monomers utilizing an organo halide initiator in the presence of either a metal catalyst or a metal-free catalyst and subsequently polymerizing thereon the remaining type of monomer.

Abstract: Disclosed are ophthalmic solutions such as packaging solutions for storing ophthalmic devices and lens care solutions for cleaning, disinfecting, rinsing and/or storing ophthalmic devices. The ophthalmic solutions contain at least a polymerization product obtained from a monomeric mixture comprising (a) a monomer bearing a center of permanent positive charge and (b) a non-ionic ethylenically unsaturated monomer, wherein the solution has an osmolality of at least about 200 mOsm/kg, and a pH of about 4 to about 9.

Abstract: A polymerizable composition which comprises a cycloolefin monomer (A), a filler (B), a polymer (C) having a carboxyl group or a carboxylic acid anhydride group and having an acid value of 0.1 to 100 mgKOH/g, and a metathesis polymerization catalyst (D). The polymerizable composition comprises a cycloolefin monomer and a large amount of a filler, and has a low viscosity and is excellent in fluidity, and further can provide a molded product which is excellent in the lowness of dielectric constant, the lowness of dielectric loss tangent, the lowness of linear expansion coefficient, high heat resistance and adhesiveness, and further is free of bubble inclusion.

Abstract: A description is given of (meth)acrylic acid copolymers containing methacrylic acid units, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for preparation thereof and use thereof for water treatment, scale inhibition in petroleum production and corrosion inhibition in aqueous systems.

Abstract: Small particles of polymeric material are produced by expansion of a mixture of monomers and a propellant. The size and shape of the particles can be precisely tailored by materials selection and expansion conditions. Particles of 10 nanometers to 100 microns can be produced. If monomers exhibiting solid state reactivity are utilized, the particles thus formed can be polymerized at any time after formation. The particles produced by this method can be molecularly imprinted by incorporating a template into the particle prior to fully curing the particle, in a manner which allows selective extraction of the template from the cured particle after formation without deformation of the imprint site. A two step polymerization process allows the particles to be deposited on and adhered to a wide variety of substrates without additional agents.

Abstract: The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with an olefinic functionalization of the A blocks.