Abstract: The invention provides a process for producing spiral polymers controlled in the direction of spiral winding easily from inexpensive general-purpose polymers; and spiral polymers controlled in the direction of spiral winding. The invention relates to a process for the production of syndiotactic polymethacrylate- or polyacrylate-type spiral polymers controlled in the direction of spiral winding which comprises dissolving a syndiotactic polymethacrylate- or polyacrylate-type polymer and a chiral compound in a solvent preferably under heating, subjecting the obtained solution to cooling or concentration to form a solid matter, and separating the solid matter; and so on.

Abstract: The present invention has its object to provide a curable composition which comprises a reactive silyl group-containing organic polymer, does not contain, as a silanol condensation catalyst, any organotin type curing catalyst currently of concern because of the toxic feature thereof, is excellent in surface curability and depth curability and, further, can provide cured products excellent in adhesiveness; the above object can be achieved by a curable composition which comprises: an organic polymer (A) containing a silicon-containing group capable of crosslinking under siloxane bond formation; and a guanidine compound (B-1), as a silanol condensation catalyst (B), represented by the general formula (1): R1N?C(NR12)2??(1) (wherein one of the five R1s is an aryl group and the other four R1s each independently is a hydrogen atom or a hydrocarbon group in which the carbon atom at position 1 is saturated).

Abstract: Ethylene vinyl acetate compositions that have been partially crosslinked using organic peroxides are disclosed, as well as methods for their production. The crosslinked compositions have low melt index values and increased tensile strength, leading to flexibility and heat resistant properties.

Abstract: Provided are a pressure sensitive adhesive composition for optical members and a pressure sensitive adhesive composition for optical members. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl (meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.

Abstract: The invention relates to functionalized matrix materials or matrices that have structures of general formula (I) T-(C?O)O—B-D, methods for the production thereof, and the use thereof in methods for purifying and isolating biomolecules.

Abstract: A curable composition is described comprising a Michael donor component, a polyacryl component, and 1) an ethylenically unsaturated monomer having a reactive azlactone functional group, or 2) an ethylenically unsaturated monomer having a reactive ring-opened azlactone functional group. A telechelic polymer that is the reaction product of these components is also described.

Abstract: There is disclosed a polyvinyl alcohol having a 1,2-glycol bond in a side chain, and a process for preparing the polyvinyl alcolnol wherein there is no generation of dimethyl carbonate hence no need of a process of eliminating dimethyl carbonate in the recovering process of waste liquid after hydrolysis. Also, even when an introduction amount of 1,2-glycol bonds is increased, there is no deterioration of solubility in a hydrolyzing solution (methanol) of a copolymer (paste) before hydrolysis. Further, water-insolubility is not lowered even in experiencing thermal history. Specifically, there is provided a polyvinyl alcohol having a 1,2-glycol bond in a side chain obtained by hydrolyzing a copolymer of a vinyl ester monomer and a compound shown in the formula (1) wherein the hydrolysis degree of the polyvinyl alcohol is at least 60% by mol.

Abstract: Disclosed herein are non-natural amino acids and polypeptides that include at least one non-natural amino acid, and methods for making such non-natural amino acids and polypeptides. The non-natural amino acids, by themselves or as a part of a polypeptide, can include a wide range of possible functionalities, but typical have at least one oxime, carbonyl, dicarbonyl, and/or hydroxylamine group. Also disclosed herein are non-natural amino acid polypeptides that are further modified post-translationally, methods for effecting such modifications, and methods for purifying such polypeptides. Typically, the modified non-natural amino acid polypeptides include at least one oxime, carbonyl, dicarbonyl, and/or hydroxylamine group. Further disclosed are methods for using such non-natural amino acid polypeptides and modified non-natural amino acid polypeptides, including therapeutic, diagnostic, and other biotechnology uses.

Abstract: The present application provides novel nitrile rubbers comprising repeating units of at least one ?,?-unsaturated nitrile, at least one conjugated diene and optionally one or more further copolymerizable monomers which nitrile rubbers are distinguished by a specific calcium content as well as a specific chlorine content and dispose of specific thio end groups. Additionally, an improved polymerization and work-up process is provided to produce the aforementioned nitrile rubbers.

Abstract: Embodiments of the invention provide amperometric analyte sensors having optimized elements such as interference rejection membranes as well as methods for making and using such sensors. While embodiments of the innovation can be used in a variety of contexts, typical embodiments of the invention include glucose sensors used in the management of diabetes.

Abstract: It is an object of the present invention to provide a curable composition capable of forming a heat-resistant cured film which is excellent in surface hardness, is good in flexibility and bending properties, and has strength and flexibility that are compatible with each other, and a cured product (film) of the composition. The curable composition includes a reactive (meth)acrylate polymer (A) having a monomer unit represented by the following formula (1), a polymerization initiator (B) and a reactive monomer(C): wherein R1 is a hydrogen atom, a methyl group or an ethyl group, R2 is a hydrogen atom or a methyl group, X1 is a straight-chain or branched hydrocarbon group of 2 to 6 carbon atoms or an alcohol residue of polyethylene glycol, polypropylene glycol or caprolactone-modified both-terminal diol, n is an integer of 2 to 4, and m is an integer of 1 to 5.

Abstract: In a method for sealing an insulating material for construction applications, the insulating material is sealed with a material sheet including an ionomer so as to provide a vapor retarder for the insulating material.

Abstract: A process is described for recycling superabsorbent polymer fines into a process that includes treating the superabsorbent polymer fines with caustic and a polymerization step for making the superabsorbent polymer gel. The process requires treating the superabsorbent polymer fines with a caustic, followed by mixture with polymerizable monomer solution, and polymerizing the mixture of the superabsorbent polymer fines and monomer to form the aqueous fluid absorbent polymer. In the process, the fines are incorporated into the new polymer gel and become indistinguishable there from. The gel may then be comminuted into a particulate dried and then separated into a portion having a desired minimum particle size in a fines portion having less than the desired size. The particulate may then be coated with a surface crosslinking agent and surface additives and heated for surface conversion.

Abstract: The present invention provides water-soluble, polymer derivatives having a thiol-selective terminus suitable for selective coupling to thiol groups, such as those contained in the cysteine residues of proteins.

Abstract: Disclosed is a thermoplastic resin composition contains including a methacrylic resin having a ring structure in a main chain thereof and a glass transition temperature of 110° C. or higher, and at least one kind of metal compound selected from metal salts, metal complexes, and metal oxides, wherein a content of the metal compound in the composition is from 10 to 10,000 ppm in terms of metal atom based on a mass of the methacrylic resin, and a process for producing such a thermoplastic resin composition, the process including carrying out, when preparing a methacrylic resin having a ring structure in a main chain thereof and a glass transition temperature of 110° C. or higher, cyclization condensation reaction using a catalyst to form the ring structure; and then adding a deactivator of the catalyst.

Abstract: Golf ball components, such as cores, intermediate layers, and covers, formed with compositions including polyacrylate elastomers cured with peroxide systems, amine-based systems, or a combination thereof.

Abstract: The invention relates to a process for preparing a pressure-sensitive adhesive based on at least one polymer, in the course of which said at least one polymer is crosslinked, the polymer having functional groups Y and having been admixed, further, with at least one kind of functionalized particles which have at least one nonpolymeric base unit, wherein the particles having a surface modification of the base unit, the surface modification of the particles having at least one kind of functional groups X, and the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and the functional groups Y of the polymer, and further to pressure-sensitive adhesives based on at least one crosslinked polymer component, the crosslinking of the polymer component being brought about at least in part by incorporation of the functionalized particles, the particles having at least one nonpolymeric base unit and also a surface modification of this base unit, and the

Abstract: A coated microcarrier for cell culture includes a microcarrier base and a polymeric coating grafted to the base via a polymerization initiator. A method for forming the coated microcarrier includes (i) conjugating a polymerization initiator to the microcarrier base to form an initiator-conjugated microcarrier base; (ii) contacting the initiator-conjugated microcarrier base with monomers; and (iii) activating the initiator to initiate polymerization and graft the polymer to the base.

Abstract: An immobilization method for immobilizing a physiologically active substance on a solid phase carrier, the method including: bringing the solid phase carrier into contact with an acid anhydride functional group-containing silane coupling agent represented by the following Formula (I); and carrying out a process of binding of the physiologically active substance to the acid anhydride functional group while maintaining the solid phase carrier after the contact at a temperature within the range of 0° C. to 60° C.; a physiologically active substance-immobilized carrier, and a carrier for immobilization are provided. Further, a carrier including a porous material treated with an acid anhydride functional group-containing silane coupling agent represented by the following Formula (I), a blocking agent that is immobilized to the porous material; and a method for producing it is provided.

Abstract: Grafted polymers which are the reaction products of: (a) (Meth)acrylic acid and (b) Non-symmetric maleates according to general formula (I), in which R1 stands for a linear or branched alk(en)yl radical having 1 to 22 carbon atoms and 0 or 1 double bond, while n and m independently represent integers between 0 and 200, on condition that the sum (n+m) is different from 0 are disclosed. Methods of making and using the grafted polymers are also disclosed.

Abstract: A polymer containing: a constitutional unit A that is derived from fluorosilsesquioxane having one addition polymerizable functional group in a molecule; a constitutional unit B that is derived from organopolysiloxane having an addition polymerizable functional group; and a constitutional unit C that is derived from an addition polymerizable monomer and has a group having a polymerizable unsaturated bond on a side chain, and optionally containing a constitutional unit D that is derived from an addition polymerizable monomer other than the fluorosilsesquioxane having one addition polymerizable functional group in a molecule, the organopolysiloxane having an addition polymerizable functional group and the addition polymerizable monomer having a functional group capable of introducing a group having a polymerizable unsaturated bond.

Abstract: Described herein are composites produced by reacting a first thiolated macromolecule with at least one compound having at least one thiol-reactive electrophilic functional group. The methods described herein permit the cross-linking of a variety of different thiolated macromolecules with one another. The composites described herein have a variety of biomedical and pharmaceutical applications, which are also described herein.

Abstract: The aqueous dispersion adhesive composition contains an aqueous dispersion copolymer obtained by reacting of a reaction component containing alkyl (meth)acrylate whose linear or branched alkyl group has 4 to 18 carbon atoms, (meth)acrylic acid, a phosphoric acid group-containing vinyl monomer and an alkoxysilyl group-containing vinyl monomer to react; and a crosslinking agent having reactivity with a carboxyl group. In the aqueous dispersion adhesive composition, an amount of the crosslinking agent is from 0.07 to 4 parts by weight per 100 parts by weight of the aqueous dispersion copolymer, and in an adhesive layer made of the aqueous dispersion adhesive composition, an elongation at 90° C. is 200% or less.

Abstract: Soft flame retardant thermoplastic compositions that are preferably halogen free and include a styrenic block copolymer having a low modulus, one or more of a polyolefin polymer or copolymer and an acrylate containing polymer or copolymer, one or more of a softener and plasticizer, an inorganic phosphorous-containing flame retardant, and optionally but preferably, a platelet filler such as a nanoclay or an organic modified clay. In a preferred embodiment, the phosphorous-containing flame retardant has a surface coating thereon which reduces sensitivity of the flame retardant to water, and thus reduces the amount of the flame retardant that can leach out in the presence of water, thereby enabling the compositions of the present invention to be utilized outdoors or other environments where exposure to water or high humidity is possible. The hardness of the compositions according to the invention preferably ranges from about Shore A 40 to about Shore A 90.

Abstract: The present invention provides a terminally modified acrylic polymer having excellent thermal decomposition properties at low temperatures, an inorganic fine particle dispersed paste composition obtained by using the terminally modified acrylic polymer and a method of producing of the terminally modified acrylic polymer.

Abstract: Thermoplastic polymer particles directly cross-linked together or cross-linked via a separate and independent polymer network to form an inter-penetrating network are disclosed herein, along with methods of manufacturing and use as interleaf tougheners of pre-pregs and composite articles.

Abstract: The invention relates to a method of producing an analytical tool having recesses (20) formed therein for moving a sample liquid, a base plate (2) made of polymeric material, and a cover laminated to the base plate (2) to cover the recesses (20). This producing method includes the step of applying a hydrophilic treatment to the inner surfaces of the recesses (20). The hydrophilic treatment includes a primary modifying operation for primarily modifying the properties of the inner surfaces of the recesses (20) by contacting a modifying gas with the inner surfaces of the recesses (20), and a secondary modifying operation for secondarily modifying the properties of the inner surfaces of the recesses (20).

Abstract: A clayish subterranean formation, such as may be encountered in rock surrounding a well bore during hydrocarbon recovery operations may be stabilized with relatively high molecular weight acid ammonium salts of an imide of polymaleic anhydride. The salts may be unneutralized or partially neutralized. The invention is particularly relevant to hydraulic fracturing fluids used in enhanced oil recovery. The compositions herein are made in the presence of a reactive solvent, such as a polyalkylene glycol, e.g. polyethylene glycol. The compositions of this invention are more environmentally friendly than some current technology.

Abstract: The present invention relates to an acrylic pressure sensitive adhesive composition. More specifically, the present invention relates to an acrylic pressure sensitive adhesive composition which comprises a) acrylic copolymers; and b) a compound having an ester value of 200 or more. The acrylic pressure sensitive adhesive composition of the present invention has an excellent wettability to the surface of an adhered article with surface unevenness, an excellent endurance reliability, transparency, and stain resistance of adhered article, and a high-rate release property without any considerable change of adhesive properties.

Abstract: A controlled molecular weight polymer of styrene is provided having bromine substituted thereon. Control of molecular weight is achieved by the use of alpha-methyl styrene dimer as a chain transfer agent. The brominated polymer of styrene is useful as a flame retardant, particularly for polyamides giving improved properties including color retention after molding.

Abstract: The present invention provides a process for producing a treated or modified polymer, which process comprises the steps of: (I) providing a mixture comprising a liquid, an additive and a polymer, wherein the additive is dispersed in the liquid; and (II) heating the mixture obtained in step (I) to soften the surface of the polymer so that the additive attaches to the polymer.

Abstract: The present invention relates to compositions comprising poly-HEMA having a peak molecular weight between about 25,000 and about 100,000, preferably between 25,000 and 80,000 and a polydispersity of less than about 2 to less than about 3.8 respectively and covalently bonded thereon, at least one cross-linkable functional group. The present invention further relates to low polydispersity poly-HEMA suitable for making the crosslinkable prepolymers, processes for functionalizing and purifying said poly-HEMA to form said crosslinkable prepolymers, viscous solutions made from said crosslinkable prepolymers, hydrogels made from said viscous solutions and articles made from said crosslinkable polymers, hydrogels and viscous solutions.

Abstract: This invention provides a method for removing certain sulfur-containing groups from polymers, especially those made via RAFT polymerization processes.

Abstract: An optical film containing a polymer having at least a repeating unit represented by following general formula (I): The optical film is excellent in heat resistance, transparency and processability because it contains a polymer having a naphthyl group in a molecular structure. In addition, when a retardation film is produced by drawing the optical film, a composition ratio of the polymer can be adjusted in a specific range so that the retardation film exhibits inverse wavelength dispersion properties such that higher retardation value is offered in measuring by light with longer wavelength. The retardation film having such properties is extremely useful for improving display properties of a liquid crystal display device. The optical film is also used in the production of a polarizing plate.

Abstract: A polymer composite material includes metal (oxide) nanoparticles chemically bonded to a vinyl polymer. Some embodiments may additionally comprise thermoplastic resin through which the nanoparticles and vinyl polymer are dispersed. In some embodiments, the composite materials have improved impact strength, tensile strength, heat resistance, and flexural modulus.

Abstract: Processes for forming adducts of amines with acrylic macromonomers are provided. Also provided are processes for using ring-closing reactions of the adducts to form lactams. The adducts are useful, for example, for making adhesives, surfactants, viscosity modifiers, processing aids, and other products.

Abstract: A method of making a liquid crystalline fiber is disclosed. A copolymer having a liquid crystalline side group and a crosslinking side group is crosslinked. A fiber of the crosslinking copolymer is drawn before the crosslinking reaction is complete.

Abstract: The present invention provides: a process for preparing a vinyl polymer containing a halogen in an amount of 1,000 mg or less per kilogram, in which a vinyl polymer containing the halogen produced by atom transfer radical polymerization of a vinyl monomer is heated at a temperature in the range of 140 to 250° C. to dehalogenate the vinyl polymer; a vinyl polymer obtained by the process; and a hydrosilylation-reactive curable composition containing the vinyl polymer.

Abstract: An adhesive composition for polarizing plates in which an acrylic polymer, a tin compound having a dialkyl group and serving as a cross-linking accelerator and an isocyanate cross-linker are dissolved in an organic solvent, the acrylic polymer being formed by copolymerization of monomers containing an alkyl (meth)acrylate, a hydroxyl group containing monomer and/or a carboxyl group containing monomer, wherein preferably, a solution containing 30% by weight of the acrylic polymer which constitutes the adhesive composition, dissolved in 70% by weight of ethyl acetate has a viscosity in the range of 0.5 to 10.0 Pa·s measured at 23° C., and the acrylic polymer has a weight-average molecular weight in the range of 300,000 to 700,000.

Abstract: Low shear-thinning polyvinyl acetals having a solution viscosity in 30% strength by weight solution in methyl ethyl ketone which changes by not more than 10% in a shear rate range from 1 to 100 s?1. The preparation of the low shear-thinning polyvinyl acetals involves acetalation of partly hydrolyzed or completely hydrolyzed vinyl ester polymers comprising ?50 mol % of vinyl alcohol units with one or more aldehydes, optionally in the form of the hydrates, hemiacetals or full acetals, wherein from 0 to 60% by weight of the aldehyde, based on the total amount of the aldehyde, is initially introduced over the course of the first one to ten minutes of the acetalation and is prereacted over the course of from 1 to 30 minutes, and the remaining proportion is then metered in continuously over the course of at least 20 minutes.

Abstract: Film-forming materials include resins and/or crosslinkers having a —Si(OR)3 group. Film-forming resins can include epoxy, acrylic, polyurethane, polycarbonate, polysiloxane, polyvinyl, polyether, aminoplast, and polyester resins. A process to produce a film-forming resin includes reacting various polymers to incorporate a pendent group comprising a —Si(OR)3 group. Film-forming resins can be used in methods of producing coating compositions. Coating compositions can be used to coat a substrate, such as a metal substrate, by electrodeposition. Applied coatings containing the film-forming resins can be cured to form crosslinked films on substrates.

Abstract: A curable composition comprising (1) 0.1 to 20 parts by weight of a silicon compound having a silanol group or a functional group for forming a silanol group upon hydrolysis and no radically polymerizable group, such as ?-glycidoxypropyltrimethoxysilane, (2) 100 parts by weight of radically polymerizable monomers and (3) 0.01 to 20 parts by weight of a photochromic compound, wherein the radically polymerizable monomers include a radically polymerizable monomer having an epoxy group in the molecule, such as glycidyl methacrylate. This curable composition is capable of forming a photochromic coating layer which shows excellent photochromic properties such as high color development density and fast fading rate, is free from the dissolution of the photochromic compound, exhibits high adhesion to a substrate through a simple pre-treatment and has excellent hard coating applicability.

Abstract: Intraocular lenses comprised of an acrylic-silicone hybrid polymer are disclosed. The intraocular lenses described herein are suitable for insertion through incisions of 2 mm or less.

Abstract: Film-forming materials include nonionic metal coordinating structures. Nonionic metal coordinating structures can coordinate metals, such as metal catalysts and metal substrates. Example film-forming materials can be the product of a poly-functional epoxide and a nucleophilic ligand having a nonionic metal coordinating structure, or the product of a poly-functional alcohol and an electrophilic ligand having a nonionic metal coordinating structure.

Abstract: A process for postcrosslinking a water-absorbing polymer comprises said polymer being treated with a postcrosslinker and, during or after said treating, being postcrosslinked and dried by temperature elevation, said postcrosslinker being a compound of the formula I where R1, R2, R3, R4, R5, R6, R7, R8 and R9 are each independently hydrogen, C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl, wherein C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl may be halogen substituted. The liquid-absorbing polymers are useful in hygiene articles and packaging materials.

Abstract: An object of the present invention is to provide a polarizing plate protective film exhibiting a reduced variation value retardation, which is highly stable against polarizing plate degradation, polarizing plate dimension, and polarizing plate curl. Disclosed is a cellulose ester film possessing cellulose ester, polymer X having a weight average molecular weight of 2000-30000 prepared by copolymerizing ethylenic unsaturated monomer Xa containing no aromatic ring and hydrophilic group within a molecule and ethylenic unsaturated monomer Xb containing no aromatic ring but a hydrophilic group within a molecule, and polymer Y having a weight average molecular weight of 500-3000 prepared by polymerizing ethylenic unsaturated monomer Ya containing no aromatic ring.

Abstract: Substrates, optionally coated with an undercoating layer, having grafted there from one or more non-fouling materials are described herein. The non-fouling, polymeric material can be grafted from a variety of substrate materials, particularly polymeric substrates and/or polymeric undercoating layers. The graft-from techniques described herein can result in higher surface densities of the non-fouling material relative to graft-to formulations. Graft-from methods can be used to produce covalently tethered polymers. The compositions described herein are highly resistant protein absorption, particularly in complex media and retain a high degree of non-fouling activity over long periods of time. The compositions described herein may also demonstrate antimicrobial and/or anti-thrombogenic activity.

Abstract: The present invention is directed to a substantially pigment-free coating composition with good cure response and improved appearance. In particular, the substantially pigment-free coating composition may comprise (a) at least one functional polymer containing amine groups and groups selected from hydroxyl and carbamate; and (b) a crosslinking agent.

Abstract: A substrate is provided having a biomolecule immobilised thereon, wherein the biomolecule is connected via an enzyme-cleavable link to a blocking moiety such that cleavage of the link causes removal of the blocking moiety and activation of the biomolecule.

Abstract: Substrates, optionally coated with an undercoating, having grafted thereto one or more non-fouling materials are described herein. The non-fouling, polymeric material can be grafted to a variety of functionalized substrate materials, particularly polymeric substrates and/or polymeric undercoatings immobilized on a substrate. The compositions described herein are highly resistant protein absorption, particularly in complex media and retain a high degree of non-fouling activity over long periods of time. The compositions described herein may also demonstrate antimicrobial and/or anti-thrombogenic activity.