Abstract: The present invention provides a pyrroline nitroxide polymer, an electrode active material containing the polymer, and a cell utilizing the electrode active material. The present invention is a pyrroline nitroxide polymer obtainable by polymerization of a pyrroline nitroxide compound represented by Formula (1).

Abstract: The present invention relates to the use of a branched addition copolymer as a dispersant in a gaseous, liquid or solid formulation in a range of applications and branched addition copolymers suitable for same wherein the copolymer is obtainable by an addition polymerisation process, wherein said copolymer comprises: at least two chains which are covalently linked by a bridge other than at their ends; and wherein the at least two chains comprise at least one ethyleneically monounsaturated monomer, and wherein the bridge comprises at least one ethyleneically polyunsaturated monomer; and wherein the polymer comprises a residue of a chain transfer agent and wherein the mole ratio of polyunsaturated monomer(s) to monounsaturated monomer(s) is in a range of from 1:100 to 1:4; and wherein the branched copolymer dispersant contains anchoring, solubilising or stabilising moieties and wherein the resulting copolymer comprises at least 10% styrenic monomer, brancher or chain transfer agent.

Abstract: Methods for preparing functionalized polyvinylpyrrolidones with polymerizable functions. Also, amphipathic polydimethylsiloxane-PVP block copolymers, such as and (meth)acrylated and (meth)acrylamide-functionalized polyvinylpyrrolidone compounds, such as The block copolymers are useful as biomaterial components in biomedical devices. They provide improved wettability, lubricity, and material compatibility to the biomedical device, e.g., ophthalmic lenses.

Abstract: Benzotriazole UV/Visible light-absorbing monomers are disclosed. The UV/Vis absorbers are particularly suitable for use in intraocular lens materials.

Abstract: The present invention provides the use of a particulate polymer material as a support for an active agent, characterised in that said polymer material is a polymer produced by copolymerising an unsaturated heterocyclic monomer and squaric or croconic acid or a derivative thereof.

Abstract: Biomedical devices such as contact lenses formed from a polymerization product of a mixture comprising (a) a random copolymer comprising hydrophilic units and hydrophobic units, wherein the random copolymer has at least one thio carbonyl thio fragment of a reversible addition fragmentation chain transfer (“RAFT”) agent are disclosed.

Abstract: Substrates may be coated with copolymers of N-vinyl pyrrolidinone and aryl ketones. Processes are described for making the copolymers at high molecular weight with the ketones randomly dispersed on the copolymer.

Abstract: A hydrophilic polysiloxane macromonomer containing polyoxyethylene as a hydrophilic side chains pendant to a polysiloxane main chain for imparting transparency, oxygen permeability, and hydrophilic properties to a contact lens is disclosed. The properties of the material are controlled by regulating the length of the polysiloxane main chain, the length of the hydrophilic polyoxyethylene side chains, and the number of the side chains.

Abstract: An organic electroluminescent device in which an organic layer containing a metal coordination compound represented by the following formula (1) is sandwiched between the pair of electrodes composed of an anode and a cathode, MLaXb??(1) wherein M is an ion of a metal of Group 11 of the Periodic Table, L is a ligand represented by the formula (2) shown below, X is an anion, and a and b are defined in the specification, wherein A is a divalent group formed by removing two hydrogen atoms from the formula (3) or (4) shown below, and D1, k1, m1, A, D1, Q1, and Q2 are defined in the specification, wherein X1, X2, X3, X4, X5, R1, R5, R6, and R9 are defined in the specification.

Abstract: The invention is directed to novel 1,2,3-triazoles containing (meth)acrylate monomers of formulae (I) and (II) Wherein R, R1, R2, X and p defined herein and the process of making said monomers and (co)polymers formed from.

Abstract: It is disclosed an over-coating agent for forming fine patterns which is applied to cover a substrate having thereon photoresist patterns and allowed to shrink under heat so that the spacing between adjacent photoresist patterns is lessened, with the applied film of the over-coating agent being removed substantially completely to form or define fine trace patterns, further characterized by containing either a water-soluble polymer and an amide group-containing monomer or a water-soluble polymer which contains at least (meth)acrylamide as a monomeric component. Also disclosed is a method of forming fine-line patterns using any one of said over-coating agents. According to the invention, the thermal shrinkage of the over-coating agent for forming fine patterns in the heat treatment can be extensively increased, and one can obtain fine-line patterns which exhibit good profiles while satisfying the characteristics required of semiconductor devices.

Abstract: Scale inhibitor compositions and methods of inhibiting scale formation generally include a tagged scale inhibiting (co)polymer including at least one scale inhibiting moiety and an imidazole moiety. The imidazole moiety fluoresces at a wavelength of about 424 nm and can be used to detect the amount of scale inhibitor present.

Abstract: An anionic polymerization method for styrene derivative containing pyridine as functional group is provided. The method includes forming a complex of (vinylphenyl)-pyridine and lithium chloride and performing anionic polymerization. Accordingly, a polymer of styrene derivative containing pyridine can be obtained. The polymer has excellent optical properties, and its molecular weight and molecular weight distribution can be controlled.

Abstract: The present invention provides polyolefin compositions containing a polyolefin resin, a hindered amine light stabilizer, and a polymer processing aid. Methods for preparing the polymer compositions, methods for using the compositions to produce articles of manufacture, and the articles produced from these polyolefin compositions are also provided.

Abstract: Disclosed is a curable composition for nanoimprinting, which includes one or more polymerizable monomers, in which one or more monofunctional radically polymerizable monomers occupy 90 percent by weight or more of the one or more polymerizable monomers, and the one or more monofunctional radically polymerizable monomers give a polymer having a glass transition temperature of 25° C. or higher. The one or more monofunctional radically polymerizable monomers are preferably at least one compound selected from (meth)acrylic ester compounds, styrenic compounds, and vinyl ether compounds.

Abstract: The present invention comprises formulations comprising at least one pesticide and at least one co-polymer comprising (a) a N-vinylamid comonomer a) of formula (I) wherein R1 and R2 are independently of one another hydrogen or C1-C4 alkyl, preferably hydrogen or R1 and R2 represent together a —(CH2)x moiety, which forms together with the nitrogen and the carbonyl-moiety a 5-8 membered ring, and (b) at least one comonomer b) selected from the group consisting of vinylpyrridin, vinylpyrridin derivatives and N-vinlyimidazole in polymerized form, methods of combating harmful insects and/or phytopathogenic fungi, a method of controlling undesired vegetation and methods of improving the health of plants based on the afore-mentioned formulations.

Abstract: The invention provides a silicone monomer which is suitable for the manufacture of ophthalmic devices, such as contact lenses, intraocular lenses, and keratoprosthesis, a monomer composition containing the monomer, and a polymer which fulfills both surface hydrophilicity and oxygen permeability at the same time. The silicone monomer of the present invention is represented by the formula (1a) or (1b): (X: a monovalent C2 to C6 organic group having one or more —OH and optionally one 0 or N in its main chain; Z1 to Z9: a C1 to C4 alkyl group; n: 1 to 3; a and b: 0 or 1).

Abstract: The present invention provides the use of a particulate polymer material as a support for an active agent, characterized in that said polymer material is a polymer produced by copolymerizing an unsaturated heterocyclic monomer and squaric or croconic acid or a derivative thereof.

Abstract: A single phase aqueous composition suitable for thermal inkjet printing comprises a mixture of curable materials including at least two curable oligomers; and one or more co-solvents for the curable materials.

Abstract: Provided herein are branched polymers synthesized from: at least one (A1) reactive monomer having a vinyl functional group, or (A2) a hybrid reactive monomer having (a) at least one vinyl functional group and (b) at least one reactive non-vinyl functional group; and at least one: (B1) branching agent having at least two N-vinyl formamide functional groups or (B2) a hybrid branching agent having (a) at least one N-vinyl formamide functional group, and (b) at least one vinyl functional group. The polymers exhibit branching behavior, which in some embodiments lends to lower viscosity, enhanced processability, and/or improved sprayability compared to a corresponding polymer of equal molecular weight synthesized without the second reactive moiety. Formulations with the invention's polymers also are presented.

Abstract: Crosslink agents used to copolymerize at least one hydrophilic monomer with at least one lens monomer typically used to prepare polymeric materials for ophthalmic lenses. The crosslink agents have a relatively high selectivity for the hydrophilic monomer and limited reactivity with the crosslink agent used to polymerize the lens monomer. Accordingly, the invention is also directed to a hydrophilic crosslinked polymer that comprises at least two monomeric units and at least two different crosslink units. The use of the dual crosslink system provides an improved means to control the final chemical, physical and structural characteristics of the resulting polymer.

Abstract: The graft copolymer comprises a polymerizable monomer (A1) represented by general formula (III) and a polymerizable monomer (B1) containing a pyridyl group, and a ligand can be bonded via the functional group at the terminus of R3a. In the formula, R1a represents a polymerizable group, R2a represents an alkylene group having a carbon number of 2-5, R3a represents an organic group having at a terminus a functional group selected from among an azide group, a phenyl azide group, a carboxyl group, a primary to quaternary amino group, an acetal group, an aldehyde group, a thiol group, a disulfide group, an active ester group, a trialkoxysilyl group, and a polymerizable group, and n represents any integer from 5 to 20,000.

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: The invention provides an actinically-crosslinkable linear polysiloxane copolymer. The actinically-crosslinkable polysiloxane copolymer can be used to prepare a silicone hydrogel contact lens having a hydrophilic surface without post-curing surface treatment. The invention is also related to a silicone hydrogel contact lens obtained from a lens-forming material including an actinically-crosslinkable polysiloxane copolymer of the invention and to a method for making an actinically-crosslinkable polysiloxane copolymer of the invention. In addition, the invention provides a non-crosslinkable linear polysiloxane copolymer capable of being used as a internal wetting agent which can render the surface of a silicone hydrogel contact lens hydrophilic.

Abstract: An electroactive polymer device is described that includes at least one layer of a dielectric polymer that is a polymerized product of at least one ethylenically unsaturated nitrogen-containing monomer. Also disclosed is a transducer that includes the electroactive polymer as disclosed.

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: Polymeric ionic liquids, methods of making and methods of using the same are disclosed.

Abstract: The present invention relates to new anionic associative rheology modifiers, their manufacture and application.

Abstract: The present invention relates to new anionic associative rheology modifiers, their manufacture and application.

Abstract: The present invention relates to a norbornene polymer that comprises a norbornene monomer having a photoreactive functional group, and a method of manufacturing the same. The norbornene polymer comprises at least 50 mol % of exo isomers among the norbornene monomers having the photoreactive functional group. Since the norbornene polymer according to the present invention comprises at least 50 mol % of exo isomers among the norbornene monomers having the photoreactive functional group, a molecular weight is significantly increased while the yield is not reduced during the manufacturing of the polymer. In views of the three dimensional structure, stability is ensured because the polymer has a planar structure in which the photoreactive groups between the molecules are close to each other. Therefore, the distance between the photoreactive groups is reduced, thus increasing the photoreaction rate.

Abstract: The present invention relates to a method of producing aqueous secondary dispersions of water-insoluble copolymers by free-radical solution polymerization of ethylenically unsaturated monomers M comprising: i) at least one hydrophobic, monoethylenically unsaturated monomer M1 with a solubility in water of not more than 30 g/l at 25° C. and 1 bar and ii) at least one hydrophilic, monoethylenically unsaturated, nonionic comonomer M2 with a solubility in water of at least 80 g/l at 25° C. and 1 bar, in an organic, water-miscible solvent or a mixture of water with an organic, water-miscible solvent as polymerization medium and subsequent replacement of the organic solvent by water in which, toward the end of the polymerization, some of the monomers M are added in the form of a monomer composition M? which comprises essentially only monomers M2 as monomers.

Abstract: Provided is a three-dimensional modeling apparatus including a supply mechanism, a deposition area, a variable mechanism, a discharge mechanism, and a control means. The supply mechanism supplies a powder material. In the deposition area,, the supplied powder material is deposited. The variable mechanism varies a volume of the deposition area per a predetermined layer thickness, and thus the powder material is deposited per the predetermined layer thickness in the deposition area. The discharge mechanism discharges liquid for forming a three-dimensional object to the deposited powder material, the liquid being capable of hardening the powder material. The control means causes the discharge mechanism to discharge the liquid to the powder material, to thereby form a main body being an object being as a target to be modeled and a frame body being an object to be formed in a periphery of the main body, of the three-dimensional object.

Abstract: The dimerization or polymerization reaction of pyridinic alcohols is carried out in order to produce novel products. The process is carried out in the absence or presence of some solvent, during the process of the current invention, temperature may be or may be not used as catalyst, in the process of the current invention the reaction may be or may not be catalyzed by the presence of a catalyst (acid or base), the resultant products can be produced and separated in an easy way, in the process of the current invention starting from pyridinic alcohols the resultant ethenediols can be produced by a single step reaction. The pyridinemethanol derivatives used as starting compounds, do not oxidize as easily and their handling is easier than that of other compounds. The products produced with etheneidol parts can be used as antioxidants due to their capacity to act as free radicals scavengers.

Abstract: There is provided a mono-(meth)acrylate functionalized hydrophilic silicone monomers containing a polyether with branched linking group, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.

Abstract: Polymers including pendent hydrophobic groups and pendent proton transfer groups are shown to form nanostructured films exhibiting greatly increased proton conductivity compared with films prepared from corresponding polymers lacking hydrophobic groups. The polymers can include repeating units each of which has both a hydrophobic group and a proton transfer group. Alternatively, the polymers can be the product of copolymerizing a first monomer with at least one hydrophobic group and a second monomer with at least one proton transfer group. The polymers are useful for the preparation of fuel cell proton exchange membranes.

Abstract: In the present invention, in order to provide an electrode active material that has a high capacity density and from which a large current can be extracted and to provide a battery that has a high energy density and produces a large output, in a battery comprising at least a cathode, an anode and an electrolyte, a polyradical compound having a partial structure represented by the following general formula (2) is used as an electrode active material for at least one of the cathode and the anode, wherein, in the formula (2), R1 to R3 independently represent a hydrogen atom or a methyl group; and R4 to R7 independently represent an alkyl group having 1 to 3 carbon atoms.

Abstract: The invention relates to copolymers that can be obtained by the polymerization of monomers (A), (B), (C) and (D), where (A) is a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, R is hydrogen or methyl, m is a number between 1 and 500, and n is a number between 1 and 500, the sum of m+n being equal to between 2 and 1000; (B) is a monomer of formula (II) wherein D is C3 alkylene, R is hydrogen or methyl, and o is a number between 2 and 500; (C) is an ethylenically unsaturated monomer containing an aromatic group; and (D) is an ethylenically unsaturated monomer containing an alkyl radical.

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition comprising a copolymerization reaction product of a monomer mixture satisfying the following both conditions: (a) the monomer mixture includes a monomer m1 in an amount of 50% by mass or more based on whole monomer components constituting the monomer mixture, wherein the monomer m1 is an alkyl (meth)acrylate represented by the following formula (I): CH2?C(R1)COOR2??(I) wherein R1 represents a hydrogen atom or a methyl group, and R2 represents an alkyl group having from 1 to 20 carbon atoms; and (b) the monomer mixture includes a monomer m2 in an amount of 12% by mass or more based on the whole monomer components constituting the monomer mixture, or a monomer m2 and a monomer m3 in an amount in total of 12% by mass or more based on the whole monomer components constituting the monomer mixture, wherein the monomer m2 is an imidazole group-containing unsaturated monomer, and the monomer m3 is an amide group-containing unsatura

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

Abstract: The present disclosure provides for new photoalignment (co)polymer materials which demonstrate improved adhesion to a substrate. The (co)polymeric structure includes at least one photochemically active chromophore and at least one adhesion promoter group. Articles of manufacture, optical elements, ophthalmic elements and liquid crystal cells which include at least one photoalignment layer made from the photoalignment (co)polymer materials and methods for formation are also disclosed.

Abstract: The invention relates to a novel copolymer containing vinyl-pyrrolidone units. The copolymer further includes units of the betaine type. The invention further relates to the use of the copolymer in compositions for drying dishes, said polymer particularly improving the drying thereof.

Abstract: The invention relates to a polymer comprising structural unit of formula II: wherein R1, R2, R3, R4, R5, R6 and R7 are independently at each occurrence a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; a, b, d, e and f are independently at each occurrence 0, or an integer ranging from 1 to 4; c and g are independently at each occurrence 0, or an integer ranging from 1 to 3. In another aspect, the invention relates to monomers for preparing the polymers. In yet another aspect, the invention relates to an optical electronic device comprising a polymer comprising structural unit of formula II.

Abstract: There is provided a polymer including a unit represented by Chemical Formula (1): wherein R represents -A1-SO2R1; R1w and R1x are each independently a halogen atom or a hydrogen atom; R1y is a CH3 group, a halogen atom or a hydrogen atom; A01 is a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure; A1 is a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure; R1 is OH, a halogen atom, ONa, OK or OR1a; R1a is a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure.

Abstract: The present disclosure relates to Shape Memory Polymers (SMP's) comprising function groups that allow the polymers to be elastically deformed, utilized in the elastically deformed state, and subsequently returned to the original polymorphic shape.

Abstract: The present invention relates to novel polymeric microgels and to a method suitable for the preparation thereof. The novel microgels comprise cationic units.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain monoethylenically unsaturated polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices.

Abstract: The present invention is drawn to the use of blocked maleimide monomers for the preparation of latex particles, including those having active maleimide surface groups. In accordance with this, a method of forming latex particulates can comprise the steps of preparing a monomer emulsion including an aqueous phase and an organic monomer phase, wherein the organic monomer phase includes at least one blocked maleimide monomer; polymerizing the organic monomer phase to form blocked maleimide latex particulates dispersed in the aqueous phase; and unblocking the blocked maleimide latex particulates to form latex particulates with active maleimide groups at least on the surface of the latex particulates.

Abstract: The invention relates to a copolymer that can be obtained by the polymerization of the monomers (A), (B) and (C), (A) being a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4-alkylene different from A, k corresponds to the number 0 or 1, m is a number between 0 and 500, n is a number between 0 and 500, the sum of m+n being equal to between 1 and 1000; (B) contains an ethylenically unsaturated monomer containing an aromatic group; and (C) is an ethylenically unsaturated monomer containing an alkyl radical. The copolymers according to the invention are suitable as dispersants for pigments.

Abstract: The invention relates to a hydrogel which is a copolymer formed from a polymerizable monomer mixture which contains a) 10-65 mol % of at least one hydrophobic vinyl monomer of the formula I in which R1 is hydrogen or methyl, p is an integer from 1 to 8, whose hydroxyl groups are present in protected form, b) 25-70 mol % of at least one silicone-containing (meth)acrylate, vinyl carbonate or vinyl carbamate monomer, c) 0-25 mol % of at least one hydrophilic vinyl monomer and d) 0-10 mol % of at least one crosslinker, based on the total amount of monomers a) to c), and where the hydroxyl groups of the segments formed by the monomers a) in the hydrogel are present in protected form or in free form. The hydrogel can be used to produce contact lenses or intraocular lenses.

Abstract: An aqueous colorant dispersion including: a colorant (A); and a polymer (B) including a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in a main chain, a hydrophilic structural unit (b) having an ionic group, and a structural unit (c) derived from an aliphatic amine or monocyclic aromatic amine.