Abstract: The present invention relates to a method for the continuous production of a polymer by radical polymerization, wherein at least three materials are mixed with microstructures in one or more mixers and are then polymerized in at least one reaction zone.

Abstract: Provided is an easy method for production of a high-performance polyfunctional compound which can be used as an optical recording material, an optical waveguide material, a photo-alignment film material, or the like, in a simple manner. The method for production of a polyfunctional compound includes conducting a Michael addition of a compound (A) having a hydrogen atom of pKa?15 to a (meth)acrylate or a (meth)acrylamide (B), in which at least one of the compounds (A) and (B) has a photoisomerization group and/or a liquid-crystalline group.

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: The present invention relates to novel block polymers comprising at least one first block and at least one second block that are incompatible with each other, have different glass transition temperatures (Tg), and are linked together via an intermediate segment comprising at least one constituent monomer of the at least one first block and at least one constituent monomer of the at least one second block. The block polymer has a polydispersity index I of greater than 2. The invention also relates to cosmetic compositions comprising the block polymers and processes for their use.

Abstract: Temperature- and pH-responsive copolymer compositions, and drug delivery devices, conjugates, nanoparticles, and micelles that include the compositions.

Abstract: Preferred embodiment stimuli-responsive low solubility copolymer hydrogel compositions of the invention include polymerized N-isopropylacrylamide and water insoluble monomer or oligomer repeating units. The repeating units are arranged within the polymer backbone of the copolymer hydrogel. In a preferred fabrication method, precursors of N-isopropylacrylamide and precursors of the water insoluble monomer of oligomer are solved in a liquid solvent to form a solution in a container. An initiator is added to the solution. Gas is bubbled through the solution, and the container is sealed. The solution is stirred while heating to a polymerization temperature and polymerization is permitted to complete to form the copolymer hydrogel composition.

Abstract: A subject-matter of the invention is alkoxyamines resulting from ?-phosphorated nitroxides corresponding to the formula: in which R represents an alkyl radical having a number of carbon atoms ranging from 1 to 3, R1 represents a hydrogen atom or a residue: in which R3 represents an alkyl radical having a number of carbon atoms ranging from 1 to 20, and R2 represents a hydrogen atom, an alkyl radical having a number of carbon atoms ranging from 1 to 8, a phenyl radical, an alkali metal, such as Li, Na or K, H4N+, Bu4N+ or Bu3HN+, exhibiting a kinetic dissociation constant kd, measured at 120° C. by EPR, of greater than 0.05 s?1. These compounds can be used as initiators for the (co)polymerizations of at least one monomer which can be polymerized by the radical route.

Abstract: Process for the preparation of aqueous formulations, aqueous formulations and their use A process for the preparation of aqueous formulations, wherein (A) at least one ethylenically unsaturated mono- or dicarboxylic acid or the anhydride thereof, (B) at least one comonomer having at least one permanent cationic charge per molecule and (C-P1) at least one ethylenically unsaturated carboxamide, are subjected to free radical copolymerization with one another in an aqueous medium.

Abstract: There is disclosed a resist protective film composition for forming a protective film on a photoresist film, comprising: at least a polymer including a repeating unit having one or more groups selected from a carboxyl group and ?-trifluoromethyl alcohol groups; and an amine compound. There can be provided a resist protective film composition that makes it possible to provide more certainly rectangular and excellent patterns when a protective film is formed on a photoresist film.

Abstract: The present invention relates to a method of producing polymers by free-radical polymerization in solution, wherein the polymerization initiator used is an ethanol-soluble initiator, and the solution polymerization is carried out in an alcoholic solvent which comprises 5 to 50% by weight of water.

Abstract: Polymers suitable for binding aflatoxins for use for in solid phase extraction of aflatoxins and immobilisation of aflatoxins in solid phase extraction (SPE) cartridges for qualitative or quantitative analysis of aflatoxins in solutions extracted from foodstuffs or feedstuffs are prepared from allylamine; methylene bisacrylamide (MBAA); acrylamide, ethyleneglycol-methacrylate phosphate (EGMP); 4-vinyl pyridine; or 2-acrylamido-2-methylpropane-sulfonic acid (AMPSA) monomers. Preferred embodiments are polymers containing acrylamide moieties such as acrylamide and MBAA. The polymers are preferably cross-linked, for example using ethylene glycol dimethacrylate (EGDMA) or divinyl benzene (DVB), and macroporous.

Abstract: The invention provides an amphiphilic copolymer comprising monomer units derived from a first monomer and monomer units derived from a second monomer. The copolymer has at least one hydrophobic endgroup. The first monomer is such that the copolymer is thermally responsive and the second monomer comprises a carboxylic acid or carboxylate group.

Abstract: The present invention relates to copolymers which are obtainable from the free radical copolymerization of at least (a) a monoethylenically unsaturated carboxylic acid having 3 to 6 carbon atoms or the anhydride thereof with (b) a reaction mixture comprising a component of the general structural formula where R1, R2, R3, R4, independently of one another, are H or C1- to C4-alkyl, n and m, independently of one another, are an integer from 1 to 100 and R5 is H or methyl, a process for the preparation of the polymer according to the invention and the use thereof as a scale inhibitor.

Abstract: The present invention concerns a controlled structure copolymer comprising at least two different parts, a first part A, amphoteric or zwitterionic, including anionic or potentially anionic units, and cationic or potentially cationic units, or zwitterionic units, and another part B, non amphoteric or zwitterionic. Said copolymer further exhibits a high potential for adaptation, through variation in its composition, in order to improve or modify the properties of compositions in which it is introduced.

Abstract: A (co)polymer structure comprising at least one portion of an acrylic, silicone, polyglycolic, polysaccharide or natural polymeric chain, comprising a plurality of functionalized units of general formula (I): wherein [C-A] is a portion of a polymeric or copolymeric chain selected from an acrylic silicone, polyglycolic, polysaccharide polymeric structure or from a natural polymer, and X is a functional group selected from one or more solfonic, carbossilic, amino acidic or epoxide groups to react at room temperature and in reaction conditions suitable for use on living beings and to form ionic or covalent bonds with keratin in absence of preemptive modifications of the polymer chain itself.

Abstract: Polyvinyl alcohol co-polymers comprising co-monomers of carboxylic acid and carboxylic acid derivatives wherein the co-polymers further comprise an amino functional monomer, and water-soluble films and pouches formed therefrom.

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: A polymer compound having a monosaccharide or an oligosaccharide residue, or an amino acid or peptide residue bound to a monosaccharide or an oligosaccharide residue bound to a side chain of a water-soluble polymer through a linker containing a selectively cleavable bond, the water-soluble polymer containing 20 to 80 mol % of (meth)acrylic acid residue.

Abstract: The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group.

Abstract: Disclosed are multi-purpose alkali-swellable and alkali soluble associative polymers, which are the polymerization product of a monomer mixture comprising: (a) at least one acidic vinyl monomer; (b) at least one nonionic vinyl monomer; (c) a first associative monomer having a first hydrophobic end group; (d) a monomer selected from the group consisting of a second associative monomer having a second hydrophobic end, a semihydrophobic monomer and a combination thereof; and, optionally, (e) one or more crosslinking monomers or chain transfer agents. When monomer (d) is an associative monomer, the first and second hydrophobic end groups of monomers (c) and (d) have significantly different hydrophobic and/or steric character from one another. The multi-purpose associative polymers surprisingly provide desirable rheological and aesthetic properties in aqueous media.

Abstract: The present invention relates to a vinyl ester based polymer latex composition obtainable by free radical emulsion polymerization in substantial absence of a protective colloid and in the presence of no or small amounts of a surfactant, and to a process of making the same. The invention further pertains to a dispersion incorporating said vinyl ester based polymer latex composition, products comprising said dispersion, and various uses of the dispersion.

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: The present invention relates to a pressure-sensitive adhesive composition used for a pressure-sensitive adhesive sheet to be directly attached to a metal surface, the composition including, as a base polymer, an acrylic copolymer obtained by polymerizing a monomer mixture, the monomer mixture including: at least one monomer (monomer m1) selected from alkyl(meth)acrylates represented by the 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, in an amount of 50 to 99.9% by weight based on a total amount of the monomer mixture, and at least one monomer (monomer m2) selected from N-hydroxyalkyl(meth)acrylamides represented by the formula (II): CH2?C(R3)CONHR4 in which R3 is a hydrogen atom or a methyl group, and R4 is a hydroxyalkyl group having 2 to 4 carbon atoms, in an amount of 0.

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 relates to a copolymer, said copolymer consisting of, as structural units, (i) 0.1 to 50 mole % of units derived from an ethylenically unsaturated monomer (a) having per one mole thereof 25 to 300 moles of C2-C3 oxyalkylene groups; (ii) 0.1 to 49.9 mole % of units derived from a monomer (b) of an alkyl, alkenyl or hydroxyalkyl ester of an ethylenically unsaturated mono- or di-carboxylic acid; (iii) 0.1 to 90 mole % units derived from a monomer (c) selected from the group consisting of an ethylenically unsaturated monocarboxylic acid, a salt thereof, an ethylenically unsaturated dicarboxylic acid, an anhydride thereof and a salt thereof; (iv) optionally up to 30 mole % of other monomers. Said copolymer can be used as a concrete and/or mortar admixture that allows optimal flow ability and, at the same time, can maintain a specific consistency, fluidity and workability of the concrete independently of the cement type.

Abstract: A polymeric quenchant. The polymeric quenchant comprises an inorganic nanoparticle, a water-soluble polymer, and water, wherein a weight ratio of the inorganic nanoparticle, water-soluble polymer and water is about 0.05-5:1-5:100. The cooling rate of steel during a quenching process can be adjusted by regulating the components and ratios of the adjusted by regulating the components and ratios of the polymeric quenchant to achieve desirable steel properties.

Abstract: Provided is an easy method for production of a high-performance polyfunctional compound which can be used as an optical recording material, an optical waveguide material, a photo-alignment film material, or the like, in a simple manner. The method for production of a polyfunctional compound includes conducting a Michael addition of a compound (A) having a hydrogen atom of pKa?15 to a (meth)acrylate or a (meth)acrylamide (B), in which at least one of the compounds (A) and (B) has a photoisomerization group and/or a liquid-crystalline group.

Abstract: This invention is directed toward surface active segmented block copolymers useful to treat the surface of a substrate by means of surface active functionalities of the surface active segmented block copolymer material binding with complementary surface functionalities of the polymer substrate.

Abstract: The invention relates to a hydrophilic coating formulation which when cured results in a hydrophilic coating, wherein the hydrophilic coating formulation comprises a copolymeric polyelectrolyte. The invention further relates to a hydrophilic coating, a lubricious coating, use of a copolymeric polyelectrolyte in a lubricious coating, an article, a medical device or component and a method of forming on a substrate a hydrophilic coating.

Abstract: The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group.

Abstract: The present invention relates to copolymers which comprise ethyl methacrylate, at least one ?,?-ethylenically unsaturated amide group-containing compound and at least one monoethylenically unsaturated carboxylic acid in copolymerized form, to cosmetic and pharmaceutical compositions which comprise at least one such copolymer, and to the use of these copolymers.

Abstract: A thermal responsive, water soluble copolymer is disclosed, which comprises the co-polymerization product of: (a) 0.5˜20 wt % of N-isopropyl acrylamide (NIPAAm); (b) 0.5˜20 wt % of 1-vinyl-2-pyrrolidinone (VPD); (c) 0.01˜10 wt % of acrylic acid (AA); and (d) 80˜90 wt % of acrylamide. The viscosity of.the co-polymerization product is adjustable by temperature. Moreover, phase-separating does not occur in the copolymer while temperature is changing and the structure as well as the fluidity are maintained, therefore, the copolymer of the present invention is suitable for the application of a micro-fluidic chip.

Abstract: Described are polymers and cement admixtures which reduce drop in fluidity with time. Said admixture comprises at least one polymer of the present invention and at least one polymer A. The polymer of the present invention comprises side chains of which at least 10 weight-% can be cleaved in alkaline medium. The polymer of the present invention is an acrylic polymer which comprises side chains connected to the backbone by ester linkages. These side chains may be alkyl, hydroxy alkyl, cycloalkyl or polyoxyalkylene groups. Polymer A is a cement dispersing agent. The combination of polymer A with the polymer of the present invention in a weight ratio of 0.1:10-10:1, and preferably 1:10-10:1 reduces the drop in fluidity with time of cementitious compositions.

Abstract: There is provided a gap fill material forming composition for lithography that is used in dual damascene process and contributes toward an improvement in production efficiency. Concretely, it is a gap fill material forming composition characterized in that the composition is used in manufacture of semiconductor device by a method comprising coating a photoresist on a substrate having a hole with aspect ratio shown in height/diameter of 1 or more, and transferring an image to the substrate by use of lithography process, and that the composition is coated on the substrate prior to coating of the photoresist, and comprises a polymer having a hydroxy group or a carboxy group and a crosslinking agent. The gap fill material layer obtained from the gap fill material forming composition can be etched back with an alkaline aqueous solution.

Abstract: The present invention relates to a monomer with anti-microbial characteristics, a polymeric compound with anti-microbial characteristics using the same, and manufacturing methods thereof, and more particularly, to an antimicrobial monomer comprising a saturated hydrocarbon having a polymerizable functional group within its structure. Also, the present invention provides a polymeric compound using the above antimicrobial monomer, a manufacturing method thereof, and a polymeric resin composition. The compounds according to the present invention have durable antimicrobial activity and high heat resistance, they do not give rise to toxicity when added to conventional resins by not eluting the antimicrobial compounds, and they do not have an effect on the properties of molded products.

Abstract: Zero VOC compositions are described and may include: one of vinyl ester solids, unsaturated polyester solids (e.g., isophthalic polyester, orthophthalic polyester, terephthalic polyester, and mixtures thereof), and mixtures thereof; polymerizable solids (e.g., a monomer, an oligomer, and mixtures thereof); and/or at least one photochemical catalyst. Zero VOC compositions may be produced by: heating polymerizable solids to a range of about 300° F. to about 500° F.; and adding one of vinyl ester solids, unsaturated polyester solids, and mixtures thereof. Additional steps may include reducing the heat to about 70° F. to about 100° F. and adding at least one photochemical catalyst and/or at least one additive. Zero VOC compositions may be curable without requiring evaporation of a VOC there from upon exposure to ultraviolet light and/or mixing with at least one thermal catalyst.

Abstract: Cross-linked ampholytic polymers that may be used as rheological modifiers, and/or absorbent gelling materials are disclosed. The polymers may be storage stable in aqueous compositions comprising soluble salt, and/or an oxidizer, such as hydrogen peroxide.

Abstract: The invention is directed to a copolymer comprising at least three types of monomeric units, said three types of monomeric units comprising: a temperature-sensitive unit, a hydrophilic unit, and a hydrophobic unit comprising at least one pH-sensitive moiety; wherein said hydrophobic monomeric unit is derived from a copolymerisable unsaturated fatty acid.

Abstract: A braided comb-shaped salt-resistant thickening agent for tertiary oil extraction from class I oil reservoir is disclosed. The agent is polymerized with monomer (A) and monomer (B), and monomer (A) is one or multiple water soluble non-saturated compound(s) with alkenyl chain, while monomer (B) is at least one compound with the following formula: Monomer (A) is preferably acrylamide, ethenyl pyrrolidone, 2-acrylamide-2 methylpropane sulfonic acid, and acrylic acid or the mixture of the above said compounds, and in the formula of monomer (B), A is COOH, OH, SO3H, R1 and R2 are H or C1-C12 alkyl, R3 and R4 represent C1-C12 alkyl, C1-C12 alkylaryl, C1-C12 alkyl ether or C1-C12 alkyl ester group. This thickening agent has fine water solubility and good property to thicken water medium. The polymer's molecules present a braided comb-shaped structure in water solution with fine salt-resistant performances.

Abstract: Novel azo-based reactive yellow dyes and a process for manufacturing and using ocular devices having blue light absorption properties. Intraocular lenses so produced block blue light from reaching the retina of an eye implanted with the IOL. By blocking blue light from reaching the retina, the IOL thereby prevents potential damage to the retina.

Abstract: Disclosed are multi-purpose alkali-swellable and alkali soluble associative polymers, which are the polymerization product of a monomer mixture comprising: (a) at least one acidic vinyl monomer; (b) at least one nonionic vinyl monomer; (c) a first associative monomer having a first hydrophobic end group; (d) a monomer selected from the group consisting of a second associative monomer having a second hydrophobic end, a semihydrophobic monomer and a combination thereof; and, optionally, (e) one or more crosslinking monomers or chain transfer agents. When monomer (d) is an associative monomer, the first and second hydrophobic end groups of monomers (c) and (d) have significantly different hydrophobic and/or steric character from one another. The multi-purpose associative polymers surprisingly provide desirable Theological and aesthetic properties in aqueous media.

Abstract: A polymer, which contains a structural unit having a carboxyl group represented by the following formula (1) at a side chain of the structural unit, wherein node position is formed, when the polymer is dissolved in an alkali aqueous solution having a pH of 10 or more and kept at 25° C. for 60 days: wherein R1 represents a hydrogen atom or a methyl group; R2 represents an (n+1)-valent organic linking group containing an ester group represented by —O(C?O)—; A represents an oxygen atom or NR3—; R3 represents a hydrogen atom, or an monovalent hydrocarbon group having from 1 to 10 carbon atoms; and n indicates an integer of from 1 to 5.

Abstract: The invention relates to an amphoteric water-soluble polymer dispersion containing polymer particles with particle diameters of 100 ?m or smaller and produced by dispersion-copolymerization of a monomer mixture comprising a methacrylate monomer containing a quaternary ammonium salt group, an acrylate monomer containing a quaternary ammonium salt group, an anionic monomer, and a (meth)acrylamide in respectively ratios specified in an aqueous salt solution in the presence of a polymer dispersant soluble in the aqueous salt solution and the invention also relates to a dewatering agent for organic sludge, a pretreatment agent or yield improver for paper making raw materials, and/or a drainage properties-enhancing agent using the amphoteric water-soluble polymer.

Abstract: White, biaxially oriented polyester films which have a base layer B which comprises a thermoplastic polyester such as polyethylene terephthalate, and which comprise substantially only TiO2 as a white pigment, whose R value is less than 43 daN/mm2, whose emax ratio is less than 2.5 and at least one of whose two surfaces of the film has been provided with an acrylate-containing coating, are particularly tear-resistant and do not tend to delamination and are therefore suitable in particular as lid films for food containers, for example yoghurt cups. A process is described for producing the films.

Abstract: Novel azo-based reactive yellow dyes and a process for manufacturing and using ocular devices having blue light absorption properties. Intraocular lenses so produced block blue light from reaching the retina of an eye implanted with the IOL. By blocking blue light from reaching the retina, the IOL thereby prevents potential damage to the retina.

Abstract: The invention relates to a composition comprising: a) an acid monomer or oligomer of acrylic acid or of an acid derivative of acrylic acid or mixtures thereof; or a mixture of an ethylenically unsaturated monomer or oligomer and an acid monomer or oligomer of acrylic acid or of an acid derivative of acrylic acid; b) at least one radical initiator which forms a radical upon heating or upon irradiation with (UV) light in the range from 305 nm to 450 nm; and c) a compound of the formulae (I), (Ib) or (Ic) wherein Y represents a group that activates nucleophilic addition reactions at the adjacent double bond; X represents halogen or the anion of an aliphatic or aromatic monocarboxylic or dicarboxylic acid of 1-12 carbon atoms, of a monovalent or divalent oxo acid or of a complex acid; n represents 0 or 1; R1, R2, R3 independently of one another represent hydrogen, C1-C18alkyl, C3-C18alkyl interrupted by at least one nitrogen or oxygen atom, C3-C18alkenyl, C3-C18alkynyl, C7-C9phenylalkyl, C3-C12 cycloalkyl and C3-

Abstract: Disclosed are soft, high refractive index device materials having improved strength. The materials contain microphase-separated aliphatic and aromatic domains.

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: 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: Solid rigid acrylic copolymer materials, useful for forming ophthalmic devices, are processed into the shape of an ophthalmic device, such as an intraocular lens and are then processed into a foldable form. The acrylic copolymer material has polymer units derived from an ?,?-ethylenically unsaturated carboxylic acid monomer, such as, (meth)acrylic acid, 1-butenoic acid, and the like, and an aryl(meth)acrylate monomer, such as, phenyl(meth)acrylate, 2-ethyloxy(meth)acrylate, and the like. The processing into a foldable shape may be accomplished by contacting the rigid material, having a Tg of 25° C. or higher, with an alcohol, preferably in the presence of acid catalyst, to lower the Tg to 20° C. or less.