Abstract: The present invention relates compositions and methods for enhanced oil recovery. The method is directed to employing a water-soluble The present invention relates compositions and methods for enhanced oil recovery (EOR). The method is directed to employing a water-soluble functional polymeric surfactant (FPS), with a medium IFT value, preferably ranged from about 0.1 to about 15 dyne/cm between water phase containing polymeric surfactant and hydrocarbon phase, for recovery of hydrocarbons from subterranean formations. The FPS solution demonstrates a strong interaction with oil and the great potential to increase both volumetric sweep efficiency and microscopic displacement efficiency in EOR.

Abstract: Amphiphilic macromolecules having repeating structural units: structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, and are suitable for fields such as oil field well drilling, well cementation, fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.

Abstract: Provided is a binder for an electrode of a lithium rechargeable battery including a copolymer of Chemical Formula 1, which increases adhesion between the electrode and an active material by employing a copolymer based on polyacrylamide, while having excellent heat resistance and mechanical strength, an electrode for a rechargeable battery including the same, and a rechargeable battery including the electrode. The binder and electrode can improve charge and discharge cycle life characteristics of the rechargeable battery.

Abstract: A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more copolymers of N-alkyl(alkyl)acrylamide monomers and one or more cationic monomers selected from acid and alkyl chloride quaternary salts of N,N-dialkylaminoalkyl(meth)acrylates and N,N-dialkylaminoalkyl(meth)acrylamides.

Abstract: The present invention provides membrane lytic poly(amido amine) polymers, polyconjugates, compositions and methods for the delivery of oligonucleotides for therapeutic purposes.

Abstract: Surfactant mediated, free radical initiated emulsion/dispersion polymerization of n-vinylformamide with styrene or substituted styrene copolymers, and its subsequently hydrolyzed products bearing formamide, amine and styrenic functionality are disclosed. Processes for polymerization, polymer composition, and hydrolysis of such polymers are also disclosed. These polymers bearing cationic functionality can be used in papermaking applications as dry strength additives, wet strength additives, retention aids, drainage aids, sizing agent, sizing promoter and pitch and stickies control agents.

Abstract: The invention relates to polymeric latexes that can be used in adhesive compositions, which provide improved bonding of rubber articles to rubber reinforcing articles. The adhesive composition includes a single or a blend of polymeric latexes comprising a conjugated aliphatic monomer, a vinylaromatic monomer, a vinylpyridine monomer, and a nitrogen-containing monomer comprising a reactive N-methylol- or N-alkoxy-functionality. Use of the monomer comprising a nitrogen-containing monomer comprising a reactive N-methylol- or N-alkoxy-functionality allows for reduced amounts of the vinylpyridine monomer in the latex, and enhances the bonding properties of the adhesive composition. Use of the adhesive composition provides economic and chemical advantages for the preparation of reinforced rubberized articles.

Abstract: To provide an ABA triblock copolymer containing: an A-block having, in a constitutional unit thereof, a monomer represented by the following general formula (1) or a monomer represented by the following general formula (2); and a B-block having, in a constitutional unit thereof, a hydrophilic monomer having a radical polymerizable unsaturated bond, where R1 is a hydrogen atom or a methyl group; R2 is a C5-C18 alkylene group; M is a hydrogen atom or a monovalent metal atom; and X1 is —NH— or an oxygen atom in the general formula (1), and where R11 is a hydrogen atom or a methyl group; R12 is a C5-C18 alkylene group; R13 and R14 are each independently a hydrogen atom, a methyl group, or an ethyl group; and X11 is —NH— or an oxygen atom in the general formula (2).

Abstract: This invention relates to resins useful for drainage in papermaking and the process of making paper using the resins. In particular the invention relates to glyoxalated copolymers of acrylamide containing significant amounts of cationic comonomer.

Abstract: A water-soluble resin composition for forming fine patterns comprising water-soluble polymer represented by Chemical Formula 1 as below and the first water-soluble solvent, is coated and heated on a photoresist layer having at least one contact hole to reduce a size of the at least one contact hole. (In Chemical Formula 1, each of R1, R2, R3 and R5 independently represents an alkyl group of C1-30 or an cyclo alkyl group of C3-30 which respectively have one selected from the group consisting of hydrogen, an ether group, an ester group, a carbonyl group, an acetal, an epoxy group, a nitril group, an amine group, and an aldehyde group; each of R4, R6, R7 and R8 independently represents hydrogen or a methyl group; n represents an integer of 0 to 5; a represents a real number of 0.05 to 0.5; each of b, c and d respectively represents a real number of 0 to 0.7; and a+b+c+d=1).

Abstract: The present invention relates to an acrylic copolymer having high heat resistance and high strength, and an optical film comprising the same, and more particularly, to an acrylic copolymer for optical films in which alkyl (meth)acrylate monomers; (meth)acrylate monomers comprising aromatic rings and/or aliphatic rings; and (meth)acrylamide monomers are included and polymerized. An acrylic copolymer according to the present invention is excellent in heat resistance while maintaining transparency. Further, an optical film comprising a compound resin including the acrylic copolymer has superior transparency and heat resistance and is excellent in formability, adhesion, retardation properties, and durability.

Abstract: Provided is a binder for an electrode of a lithium rechargeable battery including a copolymer of Chemical Formula 1, which increases adhesion between the electrode and an active material by employing a copolymer based on polyacrylamide, while having excellent heat resistance and mechanical strength, an electrode for a rechargeable battery including the same, and a rechargeable battery including the electrode. The binder and electrode can improve charge and discharge cycle life characteristics of the rechargeable battery.

Abstract: A resin composition which is excellent in quick curing and can be used for curing in conventionally used ovens, and a semiconductor device which is excellent in reliability such as solder crack resistance or the like when the resin composition is used as a die attach material for semiconductor. Further preferably, a resin composition which has a sufficient low stress property, good adhesion and excellent bleeding property. A resin composition comprising a filler (A), the compound (B) comprising a structure represented by the formula (1) and a functional group represented by the formula (2) and a thermal radical initiator (C), and substantially not containing a photo polymerization initiator.

Abstract: Antifouling composition containing a fluorocopolymer which contains from 30 to 70 mass % of polymerized units (a?) having a C1-6 perfluoroalkyl group, from 20 to 69 mass % of polymerized units (b?) having an alkylene oxide chain and from 1 to 10 mass % of polymerized units (c?) having an amino group, and which has anionic groups at its main chain terminals. Method of making.

Abstract: New water soluble cationic copolymers derived from N-vinyl amide monomers and ethylenically unsaturated compounds bearing cationic groups.

Abstract: The present invention provides rheology modifiers, which are water-soluble polymers having a weight average molecular weight (Mw) of at least 1,000,000 g/mol and an intrinsic viscosity of at least 2.5 dl/g, both as determined by size exclusion chromatography, and wherein the water-soluble polymers are in the form of solid particles. It also provides mixtures of rheology modifiers comprising a first rheology modifier, which is a water-soluble polymer having a weight average molecular weight (Mw) of at least 1,000,000 g/mol and an intrinsic viscosity of at least 2.5 dl/g, both as determined by size exclusion chromatography, and a second rheology modifier, which has a weight average molecular weight of from 2,000 g/mol to 800,000 g/mol. It also provides coating composition containing the rheology modifiers, respectively, mixtures of rheology modifiers, a process for their preparation, a process for coating a substrate using these coating compositions and substrates coated with these coating compositions.

Abstract: A structured water soluble polymer produced by polymerization of amine-containing monomers or pre-formed polymers is described. Various structured polymers are prepared and characterized. The structured polymers are particularly valued in the papermaking industry.

Abstract: Surfactant mediated, free radical initiated emulsion/dispersion polymerization of n-vinylformamide with styrene or substituted styrene copolymers, and its subsequently hydrolyzed products bearing formamide, amine and styrenic functionality are disclosed. Processes for polymerization, polymer composition, and hydrolysis of such polymers are also disclosed. These polymers bearing cationic functionality can be used in papermaking applications as dry strength additives, wet strength additives, retention aids, drainage aids, sizing agent, sizing promoter and pitch and stickies control agents.

Abstract: Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good dry and temporary wet strength, and increasing papermaking de-watering rates.

Abstract: The present invention provides novel polymers having chelating functionality and comprising units derived from an ethylenically unsaturated aminocarboxylate monmomer which comprises units derived from ethylenediamino disuccinic acid or its salt and a polymerizable ethylenically unsaturated monomer. The polymerizable ethylenically unsaturated monomer may be selected from divinylbenzene monoepoxide, allylglicidyl ether, and glycidyl(meth)acrylate. The polymer may also comprise units derived from one or more ethylenically unsaturated monomers.

Abstract: The present invention provides a nonaqueous pigment dispersant containing a copolymer having: (a) a constituent unit derived from a nitrogen atom-containing polymerizable macromonomer having an ethylenic unsaturated double bond at one terminal, and (b) a constituent unit derived from a monomer unit having an ethylenic unsaturated double bond, being copolymerizable with the nitrogen atom-containing polymerizable macromonomer of constituent (a), and a pigment dispersion composition containing the dispersant, a pigment and a nonaqueous solvent.

Abstract: A method for producing paper, cardboard or similar materials, comprising, separately or in a mixture, adding to a fibrous suspension: at least one main retention agent comprising a cationic (co)polymer, and at least one dual retention agent comprising a crosslinked cationic (co)polymer obtained in the form of a dispersion and placed in solution prior to its introduction into the fibrous suspension with gentle stirring. The crosslinked cationic (co)polymer having—a UL viscosity of between 1.3 and 2.7 cps, preferably between 1.5 and 2.4 cps, and—an apparent cationicity ratio of between 25 and 75%. Optionally, before or after the dual agent or the main retention agent are added, one or more tertiary retention agent(s) selected from the group comprising mineral particles and organic polymers carrying anionic charges, is added to the suspension.

Abstract: Embodiments of the invention can include or be used in conjunction with implantable medical devices and various in vitro applications. In an embodiment, an implantable medical device is included herein. The device can include a frame having an inner lumen; the frame comprising a copolymer formed from monomers comprising N-isopropylacrylamide or a thermally responsive derivative thereof and a second monomeric species including one or more of a heteroatom or a charged moiety. In an embodiment, a method of isolating a component of a mixture is included herein. The method can include mixing a sample with a copolymer formed from monomers comprising N-isopropylacrylamide or a thermally responsive derivative thereof and a second monomeric species including one or more of a heteroatom or a charged moiety to form a reagent mixture, the copolymer further comprising a moiety exhibiting affinity for an analyte in the sample.

Abstract: The invention relates to polymers useful as a papermaking additives. The invention also relates to methods for making and using such additives.

Abstract: The present invention relates to a new type of oil displacement agent and the process for preparing the same. The oil displacement agent is formed of a polyaclylamide-based polymer characterized by a partly crosslinked and partly branched structure, wherein said polyacrylamide-based polymer is obtained by aqueous copolymerization of acrylamide and N,N-dimethylaminoethyl methacrylate as a functional monomer, in the presence of a redox initiator system.

Abstract: Polymeric compounds of formula I comprising boronic acid are provided. These polymeric compounds are prepared either by grafting boronic acid containing compounds (e.g. 4-carboxyphenylboronic acid) to hydrolysed poly(N-vinylformamide) or hydrolysing copolymer(s) obtained by copolymerizing vinyl group containing boronic acid monomers (e.g. -vinylphenyl boronic acid) and N-vinylformamide. These polymeric compounds are used in increasing the wet strength of paper in paper-making processes. Formula (I).

Abstract: The present disclosure relates to compositions comprising a copolymer that includes a first monomer and a second monomer that is different from the first monomer, wherein both the first and second monomer are selected from the group consisting of 3-sulfopropyl acrylate potassium salt, sodium acrylate, N-(tris(hydroxyl methyl)methyl)acrylamide, and 2-acrylamideo-2-methyl-1-propane sulfonic acid. The present disclosure further relates to methods for preparing the copolymer compositions and shaped articles comprising the copolymers.

Abstract: What is claimed is a superabsorbent polymer (SAP) with anionic and/or cationic properties and retarded swelling action, which was prepared by polymerizing ethylenically unsaturated vinyl compounds. This SAP is characterized in that its swelling begins no earlier than after 5 minutes and in that it was prepared with the aid of at least one process variant selected from the group of a) polymerizing the monomer components in the presence of a combination consisting of at least one hydrolysis-stable crosslinker and at least one hydrolysis-labile crosslinker; b) polymerizing at least one permanently anionic monomer and at least one hydrolysable cationic monomer; c) coating a core polymer component with at least one further polyelectrolyte as a shell polymer; d) polymerizing at least one hydrolysis-stable monomer with at least one hydrolysis-labile monomer in the presence of at least one crosslinker.

Abstract: A method for preparing a cationic polyacrylamide composition particularly suitable for making a glyoxylated polyacrylamide composition useful as a temporary wet-strengthening agent and the composition resulting from that method, along with the use of the composition for adding temporary wet strength to paper and the resulting strengthened paper products.

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: Polymers which are suitable for use in cleaning compositions are described. The polymers are comprised of at least three different monomers. The types of monomers and ratios of the monomers in the polymers are further disclosed. Cleaning compositions containing the polymers for treating various surfaces and for use in various applications are also provided.

Abstract: A cationic copolymer is obtained by the Hofmann rearrangement (also referred to as the Hofmann degradation reaction) in aqueous solution in the presence of an alkaline-earth and/or alkali hydroxide and an alkaline-earth and/or alkaline hypohalide, on a base copolymer comprising at least one nonionic monomer selected from the group comprising acrylamide (and/or methacrylamide), N,N-dimethylacrylamide and/or acrylonitrile The copolymer is branched after the Hofmann rearrangement, in the presence of at least one polyfunctional branching agent, and is soluble in water.

Abstract: Fluoroalkyl amidoalkyl alcohols of the formula are disclosed and their corresponding (meth)acrylate esters. These fluoroalkyl amidoalkyl (meth)acrylate monomers can be copolymerized with a wide variety of conventional ethylenically unsaturated monomers. The resulting copolymers are useful as water, oil- and grease-proofing agents for paper, textiles and hard surfaces such as masonry and wood.

Abstract: Fluoroalkyl amidoalkyl alcohols of the formula are disclosed and their corresponding (meth)acrylate esters. These fluoroalkyl amidoalkyl (meth)acrylate monomers can be copolymerized with a wide variety of conventional ethylenically unsaturated monomers. The resulting copolymers are useful as water, oil- and grease-proofing agents for paper, textiles and hard surfaces such as masonry and wood.

Abstract: The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particularly, the present invention relates to relatively soft, optically transparent, foldable, high refractive index materials particularly suited for use in the production of intraocular lenses, contact lenses, and other ocular implants and to methods for manufacturing and using the same.

Abstract: A stimuli-responsive polymer derivative utilizing keto-enol tautomerization. Also disclosed are a simple process for producing an N-acyl(meth)acrylamide derivative which can be used as a monomer for the stimuli-responsive polymer, a process for the production of an intermediate thereof, and an intermediate thus produced.

Abstract: The invention provides hydrophobically modified cationic polymers which may be used to enhance deposition of particles.

Abstract: High molecular weight associative amphoteric polymers for increasing the viscosity of aqueous solutions, comprise: at lease one cationic monomer derived from acrylamide bearing at least one hydrophobic chain of 8 to 30 carbon atoms; 1 to 99.9 mole % of at least one anionic monomer; and 1 to 99 mole % of one or several non-ionic water-soluble monomers. Aqueous solutions containing said polymers find uses in industry, in particular the oil, paper, water treatment, mining, cosmetics, textile, detergency industries and generally in all industrial techniques using thickened solutions.

Abstract: The invention relates to a hydrophobically modified cationic copolymer which has at least three different structural units. Particularly in combination with anionic surfactants, a considerable improvement in the water retention in aqueous building material systems based on hydraulic binders, such as cement, can be achieved even in the case of high salt loads.

Abstract: The present invention relates compositions and methods for enhanced oil recovery. The method is directed to employing a water-soluble The present invention relates compositions and methods for enhanced oil recovery (EOR). The method is directed to employing a water-soluble functional polymeric surfactant (FPS), with a medium IFT value, preferably ranged from about 0.1 to about 15 dyne/cm between water phase containing polymeric surfactant and hydrocarbon phase, for recovery of hydrocarbons from subterranean formations. The FPS solution demonstrates a strong interaction with oil and the great potential to increase both volumetric sweep efficiency and microscopic displacement efficiency in EOR.

Abstract: A structured water soluble polymer produced by polymerization of amine-containing monomers or pre-formed polymers is described. Various structured polymers are prepared and characterized. The structured polymers are particularly valued in the papermaking industry.

Abstract: The present invention relates to a pressure-sensitive adhesive composition including, as a main ingredient, a monomer mixture or an acrylic copolymer material obtained by at least partially polymerizing the monomer mixture, the monomer mixture including: at least one monomer (monomer ml) selected from alkyl (meth)acrylates represented by the following formula (I) CH2?C(R1)COOR2 in which R1 is a hydrogen atom or a methyl group, and R2 is an alkyl group having 1 to 20 carbon atoms: at least one monomer (monomer m2) selected from N-hydroxyalkyl (meth)acrylamides represented by the following formula (II) CH2?C(R1)CONHR4 in which R3 is a hydrogen atom or a methyl group, and R4 is a hydroxyalkyl group having 2 to 4 carbon atoms: and at least one monomer (monomer m3) selected from N-vinyl cyclic amides and (meth)acrylamides that may have an N-alkyl group; and the monomer mixture including substantially no carboxyl group-containing monomer.

Abstract: Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): in which R1 is H or CH3; R2 is H or a C1-C4 alkyl radical or forms together with the nitrogen atom to which it is bonded and one or more atoms which belong to R3 or R3? a heterocyclic ring; R3, R3? independently of each other are a linear or branched aliphatic C1-C50 radical with a valency of m+n or p+n, an aromatic C6-C18 radical with a valency of m+n or p+n, or a cycloaliphatic, araliphatic or heterocyclic C3-C18 radical with a valency of m+n or p+n, wherein the carbon chains of the radical or radicals can be interrupted by O, S, CONR4, OCONH, or form together with one or more atoms which belong to R2 and the nitrogen atom, to which the R2 is bonded a heterocyclic ring, R3? being H if p=0, and R4 being H, C1-C10 alkyl, C6-C12 aryl, C6-10 aralkyl or a bicylic C4-C12 radial; n is 1, 2, 3 or 4 if p=0, and is 1 or 2 if p ?0; m is 1, 2, 3 or 4; p is 0, 1, 2, 3 or 4; x

Abstract: The invention concerns an improved method for making paper, which uses a branched polymer prepared in invert emulsion as the main retention agent, and bentonite as a secondary retention agent (dual type system). The two additions are separated by a step for shearing the fibrous suspension (or mass). The invention results in highly improved retention and also highly improved dewatering. Moreover, it enables the bentonite content in white water to be reduced.

Abstract: The present invention provides a nonaqueous pigment dispersant containing a copolymer having the following constituent units (a) and (b): (a) a constituent unit derived from a nitrogen atom-containing polymerizable macromonomer having an ethylenic unsaturated double bond at one terminal, and (b) a constituent unit derived from a monomer unit having an ethylenic unsaturated double bond, being copolymerizable with the nitrogen atom-containing polymerizable macromonomer of constituent (a), and a pigment dispersion composition containing the dispersant, a pigment and a nonaqueous solvent.

Abstract: Temporary sizing agent for natural and/or artificial individualized textile fibres comprises a water-soluble homopolymer or copolymer of at least one acrylamide monomer having a molecular weight not less than one million, advantageously more than three millions.

Abstract: Soluble polymers and methods for the preparation thereof, wherein the polymers of the present invention have pendant acylsulfonamide amine-reactive groups that can be used for the capture of amine containing materials.

Abstract: A novel (meth)acrylamide polymer capable of forming a papermaking chemical exhibiting an excellent paper strengthening effect, drainage improvement effect, retention improvement effect, plybond strength enhancing effect, surface strength enhancing effect, and sizing improvement effect in acid, neutral, or alkaline papermaking systems, as well as a method for manufacturing this polymer, and paper that makes use of this polymer and has excellent bursting strength, internal bond strength, and other such properties is provided. This is a (meth)acrylamide polymer produced by polymerizing a monomer (a) expressed by the following general formula 1, the following monomer (b), and the following monomer (c): (a) general formula 1: (b) a (meth)acrylamide; (c) an ionic monomer other than monomer (a) expressed by general formula 1 above.

Abstract: The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particularly, the present invention relates to relatively soft, optically transparent, foldable, high refractive index materials particularly suited for use in the production of intraocular lenses, contact lenses, and other ocular implants and to methods for manufacturing and using the same.

Abstract: Copolymers, desirably having a molecular weight of from 500 to 20000, of aminoesters or aminoamides of (meth)acrylic acid and (meth)acrylamides at a molar ratio of from 10:1 to 60:1, particularly from 12:1 to 50:1 and especially about 20:1, can act as gas hydrate inhibitors in water containing hydrocarbon gas streams. Desirably the aminoesters or aminoamides are N-alkyl-amino(esters or amides) in particular of the formula (I): H2C?CR1 C(O)XR2NR3R4 (I) where R1, R2, R3, R4 and X have defined meanings and the (meth)acrylamides are of the formula (II): H2C?CR6C(O)NR7R8 (II) where R6, R7 and R8 have defined meanings. Methods of treating gas water mixtures using the copolymers to inhibit gas hydrate formation are described.