Abstract: The present disclosure provides injectable synthetic and biodegradable polymeric biomaterials that effectively prevent seroma, a common postoperative complication following ablative and reconstructive surgeries. Provided biomaterials include physically crosslinked hydrogels that are thixotropic, display rapid chain relaxation, are easily extruded through narrow gauge needles, biodegrade into inert products, are well tolerated by soft tissues, and effectively prevent seroma in a radical breast mastectomy animal model.

Abstract: Compositions and methods for a melt processable semicrystalline poly(aryl ether ketone) incorporating phthalazinone and 4,4?-biphenol as comonomer units are described herein. The polymers are resistant to and insoluble in common organic solvents and liquids as well as in aggressive organic solvents such as chloroform and chlorinated liquids. The polymers are melt processable via techniques such as extrusion, injection molding, and compression molding. The semicrystalline poly(aryl ether ketone) containing phthalazinone comonomer units have properties which make them suitable for manufacturing high temperature resistant molded systems and other articles.

Abstract: A polyether ether ketone that is superior in mold flow performance, mechanical physical properties, and thermal stability is provided. A polyether ether ketone having a repeating unit represented by the formula: —Ar—C(?O)—Ar—O—Ar?—O— (wherein, Ar and Ar? represent a substituted or unsubstituted phenylene group), the polyether ether ketone including: (A) a polymerization component having a molecular weight of not lower than 5,000 and lower than 2,000,000; and (B) a polymerization component having a molecular weight of not lower than 1,000 and lower than 5,000, wherein: the weight ratio of (A):(B) is 60:40 to 97:3; the content of (C) a polymerization component having a molecular weight of not lower than 100 and lower than 1,000 is from 0 and less than 0.

Abstract: The invention relates to conjugated polymers comprising bis(thienocyclopenta)benzothiadiazole units or derivatives thereof, to methods of their preparation, to novel monomer units used therein, to the use of the polymers in organic electronic (OE) devices, and to OE devices comprising the polymers.

Abstract: Pellets or granules comprise polymeric material, for example polyetheretherketone and a fugitive material, for example sodium chloride. The granules may be used in injection moulding to produce shapes for use in medical implants and may conveniently be used to form parts which are partially porous, or to prepare porous films.

Abstract: Polyarylene compositions including one or more organic substances. The organic substances can be selected from the group consisting of a paraffin, an olefin, an olefin oligomer, an alkoxylated acyclic carboxylic acid, an alkoxylated acyclic carboxylic acid amide, an acyclic carboxylic acid, an acyclic carboxylic acid ester, an acyclic carboxylic acid alkali metal salt, an acyclic carboxylic acid amide, an alkoxylated acyclic alcohol, an acyclic alcohol, an alkoxylated alkyl phenol and an alkyl phenol. The organic substances provide improved processability. Further inclusion of a sterically hindered phenol provides tougher polyarylene compositions.

Abstract: There is provided a polymer compound having excellent transparency and excellent heat resistance, a high refractive index, an excellent solubility in various solvents, and a low viscosity and excellent handling properties when the polymer compound is dissolved in a solvent; and a production method of the polymer compound; and a polymer composition containing the polymer compound. And there is also included an aroylbiphenyl compound of Formula (1): [in Formula (1), X is a halogen atom, and R1 is a hydrogen atom or a group of Formula (2a) or Formula (2b); and in Formula (2a) and Formula (2b), R2 and R3 are independently a hydrogen atom or a C1-6 alkyl group]; a polymer compound obtained by using the aroylbiphenyl compound; and a thermocurable film forming polymer composition comprising: as a component (A), the polymer compound, and as a component (B), a crosslinkable compound.

Abstract: Disclosed is cross-linking process for cross-linking polymeric chains in a coating composition. In one embodiment the process utilizes a Hantzsch dihydropyridine reaction to form reaction products including cross-linking polymeric resin chains having beta-keto ester functions using a source of aldehyde and a source of ammonia or a primary amine to form a permanent dihydropyridine bond between the beta-keto ester functions. The novel cross-linking reaction can occur at lower temperatures compared to typical cross-linking reactions and can occur in aqueous solutions that have a neutral to mildly alkaline pH of from 6 to 11. The novel cross-linking reaction provides many advantages to performing cross-linking of polymeric chains in coating resins.

Abstract: The invention provides novel flame-retardant polymers and materials, their synthesis and use. More particularly, the flame-retardant polymers are deoxybenzoin-derived polymers.

Abstract: A fiber reinforced part is formed from a compression molded thermoplastic resin reinforced with individual fibers of differing lengths randomly oriented substantially throughout the part.

Abstract: Deoxybenzoin-phosphonate and other copolymer compounds, compositions and related methods.

Abstract: The present invention provides a planar connector having excellent performances including flatness, warp-deformation resistance, and heat resistance, being capable of responding to shape changes in recent planar connectors. Specifically, the planar connector is composed of a composite resin composition comprises (A) a liquid crystalline polymer containing 55% by mole or less of p-hydroxy benzoic acid residue and having a melting point of 330° C. or higher, (B) a plate-like inorganic filler, and (C) a fibrous filler having a weight average fiber length within a range of 250 to 600 ?m, the amount of (B) component being 25 to 35% by weight to the total composition, the amount of (C) component being 10 to 25% by weight to the total composition, the sum in total of (B) component and (C) component being 40 to 50% by weight to the total composition, wherein the connector has a lattice structure inside an outer frame, and has an opening inside the lattice area, and wherein the pitch interval of the lattice area is 1.

Abstract: A fast-drying ink composition comprising water, a fast-drying solvent mixture including a hydrophilic co-solvent having low enthalpy of evaporation, a surface-active humectant, and a colorant. The hydrophilic co-solvent may be selected from the group consisting of propylene glycol n-propyl ether, tripropylene glycol methyl ether, and dipropylene glycol methyl ether. The surface-active humectant may comprise a hydrophobic end having a repeating unit “n” ranging from 1 to 36 and selected from the group consisting of alkane-based (CH2)n, fluoro-based (CF2)n, and silicone-based (SiO)n, and a hygroscopic end having a repeating unit “i” ranging from 2 to 8 and selected from the group consisting of a hydroxyl group, an amine group, a carboxyl group and an ester group.

Abstract: A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm?2 preferably in the range 0.085 to 0.095 kNsm?2.

Abstract: Disclosed herein is a composition having a thermoset polymer and a plurality of hollow microsphere homogenously dispersed in the composition. The polymer is a cyanate ester thermoset, a phthalonitrile thermoset, a crosslinked acetylene thermoset, or a hydrosilation thermoset. Also disclosed herein is a method of: providing a thermosetting compound; adding microspheres to the thermosetting compound; and mixing the thermosetting compound while initiating crosslinking of the thermosetting compound.

Abstract: Solvent-based inkjet ink formulations including an organic solvent, a resin, a surfactant, and a colorant are provided. The inks have many desirable attributes such as extended decap time.

Abstract: The present invention provides: a composition for forming a liquid crystal alignment film capable of forming a liquid crystal alignment film excellent in evenness; and a liquid crystal display device. The present invention provides a composition for forming a liquid crystal alignment film, wherein the composition comprises: a material for forming a liquid crystal alignment film; diethylene glycol diethyl ether; diisobutyl ketone; and at least one of ?-butyrolactone and N-methyl-2-pyrrolidone as solvents.

Abstract: The present invention has an object to provide a photosensitive resin composition for optical waveguide formation, which has low transmission loss and can form a waveguide pattern with high shape accuracy at low cost; an optical waveguide; and a method for producing an optical waveguide. The present invention provides a photosensitive resin composition for optical waveguide formation comprising at least: a polymer containing at least a (meth)acrylate structure unit having an epoxy structure, and a (meth)acrylate structure unit having a lactone structure and/or a vinyl monomer structure unit having an aromatic structure; and a photoacid generator, of which one or both of a core layer and a cladding layer are formed of a cured product.

Abstract: The invention relates to waxes modified with sterically hindered amines, to a process for their preparation and to their use for stabilizing organic material.

Abstract: The present invention relates to a copper foil having a primer resin layer which improves the adhesive strength between a copper foil surface without roughening treatment and a substrate resin and a laminated sheet using the same and is characterized by using a polyimide represented by the following formula (1): (wherein, R1 represents a quadrivalent aromatic group which is a residual group of a dicarboxylic acid dianhydride ingredient (pyromellitic acid anhydride, 3,3?,4,4?-biphenyltetracarboxylic acid dianhydride, 3,3?,4,4?-benzophenontetracarboxylic acid dianhydride or 2,3,6,7-naphthalenetetracarboxylic acid dianhydride), R2 represents a divalent aromatic group which is a residual group of a diamine ingredient (1,3-bis-(3-aminophenoxy)benzene, 3,3?-diamino-4,4?-dihydroxydiphenylsulfone or/and 4,4?-diamino-3,3?,5,5?-tetraethyldiphenylmethane), and n1 represents a repeating number) as a primer resin; and copper foils and laminated sheets having said polyimide layer as a primer have high adhesive strength

Abstract: A method of making a polymeric material is described, the method comprising contacting, for example polycondensing, a compound of formula with a compound of formula wherein each X is selected from a group comprising a chlorine and a fluorine atom, n represents 1, 2 or 3 and each Y1 is selected from a group comprising an alkali metal and a hydrogen atom.

Abstract: A water-soluble photo-activatable polymer including: a photo-activatable group adapted to be activated by an irradiation source and to form a covalent bond between the water-soluble photo-activatable polymer and a matrix having at least one carbon; a reactive group adapted to covalently react with a biomaterial for subsequent delivery of the biomaterial to a cell; a hydrophilic group; and a polymer precursor. A composition including a monomolecular layer of the water-soluble photo-activatable polymer and a matrix having at least one carbon, wherein the monomolecular layer is covalently attached to the matrix by a covalent bond between the photo-activatable group and the at least one carbon. The composition further includes a biomaterial having a plurality of active groups, wherein the biomaterial is covalently attached to the monomolecular layer by covalent bonding between the active groups and reactive groups. Also provided is a method for delivery of a biomaterial to a cell.

Abstract: The invention relates to dispersing resins for solids which are obtainable through the partial or complete reaction of the hydroxyl groups of carbonyl-hydrogenated ketone-aldehyde resins with one or more oxiranes and, if desired, subsequent complete or partial esterification with organic and/or inorganic acids.

Abstract: This invention relates to a self-crosslinking binder for coating compositions comprising an aqueously dispersed resinous component A having at least one carbonyl group of the ketone or aldehyde type per molecule, and a component B having at least two hydrazine or hydrazide groups per molecule, and at least one structural unit —NR1—NR2—CHR3—CHR4—NH—R5 (I) where the radicals R1, R2, R3 and R4 are each individually selected from the group consisting of a hydrogen radical, and a linear or branched alkyl radical having from 1 to 10 carbon atoms, R3 and R4 may additionally be selected from the group consisting of aryl and alkylaryl radicals having from 6 to 15 carbon atoms, and from oxy alkyl radicals with from 1 to 10 carbon atoms, where oxy groups may be inserted into the alkyl chain, or at the end of an alkyl chain, and R5 is selected from the group consisting of a hydrogen radical, alkyl radicals which may be linear, branched or cyclic and may have from 1 to 10 carbon atoms, and residues of the formula —(CH2)n—

Abstract: The subject matter of the invention is a method for the removal of alkaline or acidic compounds from a solvent-containing metal oxide dispersion, having the following steps: a. conversion of the solvent into gas phase; b. condensation of the solvent; c. bringing the condensed solvent into contact with a neutralizing agent; d. Return of the condensed solvent into the metal oxide dispersion.

Abstract: An ink composition comprising a redox compound as dye, a volatile agent as reducing agent, a polymer material as binder and a volatile solvent, wherein said ink composition has a viscosity of 3 to 150 mPas when said ink composition is used for printing.

Abstract: An electrical component that includes a substrate and a polymeric layer oriented in working relation with the substrate, the polymeric layer including a low molecular mass polyimide.

Abstract: Compositions and methods for a melt processable semicrystalline poly(aryl ether ketone) incorporating phthalazinone and 4,4?-biphenol as comonomer units are described herein. The polymers are resistant to and insoluble in common organic solvents and liquids as well as in aggressive organic solvents such as chloroform and chlorinated liquids. The polymers are melt processable via techniques such as extrusion, injection molding, and compression molding. The semicrystalline poly(aryl ether ketone) containing phthalazinone comonomer units have properties which make them suitable for manufacturing high temperature resistant molded systems and other articles.

Abstract: The present invention relates to toughened cyanoacrylate compositions.

Abstract: The invention provides an inkjet recording liquid containing at least water, a colorant and one or more water-soluble organic solvents. The one or more water-soluble organic solvents contains at least a water-soluble organic solvent having a viscosity of no more than 100 mPa·s at 25° C. and a solubility parameter value of less than 27.5 at a content of at least 70 weight % with respect to the total content of the one or more water-soluble organic solvents. The total content of the water-soluble organic solvent having a viscosity of no more than 100 mPa·s at 25° C. and a solubility parameter value of less than 27.5 is from 5 mass % to less than 30 mass % with respect to the total amount of the inkjet recording liquid.

Abstract: An avionics chassis for protecting against damage, dust, dirt and incidental moisture over an extended temperature range, EMI shielding to prevent radiation of internal circuit energy and preventing the entrance of external EMI. The chassis provides lower weight, lower levels of radiated emissions and improved resistance to incident external radiation. Electric and magnetic shielding is also provided.

Abstract: A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm?2 preferably in the range 0.085 to 0.095 kNsm?2.

Abstract: A thermoplastic composite material, which includes a thermoplastic, organic polymer; and a plurality of carbon nanotubes, is provided. The thermoplastic composite material exhibits a bulk volume resistivity of about 103 ?-cm (ohm cm) to 1010 ?-cm at 5,000 volts. Such thermoplastic composite materials may find utility in applications that require the thermoplastic to be capable of withstanding high voltage spikes, as would be encountered during a lightning strike.

Abstract: A method of manufacturing a composite material, the method comprising: growing a layer of reinforcement; and impregnating the layer with a matrix. The reinforcement layer may be formed by a chemical vapour deposition process. The method can be used as an additive layer manufacturing technique to form a component with a desired shape and physical characteristics, or can be used to form a thin sheet material.

Abstract: A process for the production of a particle composition containing, at least one resin and at least one pigment is described, said process comprising the following steps : •extrusion of a mixture containing said at least one resin and said at least one pigment without induced heating; •subsequent extrusion, with induced heating, of the mixture obtained from the preceding extrusion; •granulation of the mixture thus obtained. With the abovementioned process it is possible to obtain a composition having granules with an average diameter less than 2 microns and a greater homogeneity than the known processes.

Abstract: Disclosed is a lithographic composition for forming a resist underlayer film, which can be used as a lower layer antireflection film by which an exposure light striking on a photoresist formed on a semiconductor substrate is inhibited from being reflected from the substrate in a lithographic process of manufacturing semiconductor equipment, a planarization film for flattening a semiconductor substrate having a rugged surface used in order to fill in a hole formed on the semiconductor substrate, a film which prevents a photoresist from being contaminated by a substance generated from a semiconductor substrate during heating/burning, or the like.

Abstract: Provided are a capsulated colorant, a method of preparing same and ink compositions including the capsulated colorant. The capsulated colorant includes a colorant and a polymer resin coated on the colorant. The polymer resin is a result of polymerization of a polymerizable composition comprising a basic monomer and a polymerizable unsaturated monomer. The ink composition comprises the colorant coated with the polymeric resin and a solvent, which may be water and at least one organic solvent.

Abstract: A milling process for the preparation of fine-particled polyarylene ether ketone comprises milling a porous polyarylene ether ketone having a BET surface area of more than 1 m2/g.

Abstract: A photobleachable ink composition having: at least one light-sensitive optical-state change material; at least one bleaching agent; at least one ionic liquid plasticizer; at least one solvent; and at least one binder material; wherein the ink composition has a viscosity between about 0.1 centipoise and about 10,000 centipoise, and a maximum optical absorbance in a range from about 200 nanometers to about 800 nanometers; and wherein said ink composition is capable of change from a first optical state to a second optical state upon exposure to light.

Abstract: Photoactivatable prepolymers and methods of use thereof are disclosed for microencapsulation of a substantially water-insoluble material within a nonporous shell. As provided herein, the microencapsulated material is released with no more than a slow release rate. Upon exposure of the nonporous shell to light, the nonporous shell is converted into a porous shell having an increased release rate for the microencapsulated material.

Abstract: The present invention provides a composition containing a particulate solid, an organic medium and/or water and a compound of Formula (1) and salts thereof. Formula 1 wherein R is H or C1-30-optionally substituted hydrocarbyl; or R may be R?C—O (an acyl group where R? is hydrogen, alkyl, aryl or an optionally substituted alkyl or aryl); U is oxygen, —NH or —NR??; R?? is a C1-30-optionally substituted hydrocarbyl Y is C2-4-alkyleneoxy; T is the residue of substituted acetic acid or propionic acid; Z is the residue of a polyamine and/or polyimine; W is the residue of an oxide, urea or dibasic acid or anhydride thereof, or mixtures thereof; x is from 2 to 90; and v represents the maximum available number of amino and/or imino groups in Z which does not carry the group R—U—(Y)x-T-.

Abstract: Coating of inorganic pigments with aldehyde or ketone resins and at least one dispersant, comprising a chemical compound consisting of particles of solid organic and inorganic substances, both defined as pigments, in that they absorb a fraction of the light and reflect the complementary part thereof, coated with aldehyde or ketone resins. The latter are deposited on the surface of the pigment by means of a process which envisages melting of the resin, wetting and coating of the entire surface of the pigment with the resin in the melted state, and cooling and atomization by means of mechanical systems operating in temperature conditions lower than 10° C., by cryogenic processes. The resulting product may be used as a semifinished product for the colouring and pigmentation of powder paints and plastics as a monochromatic colouring material and/or may also be used, after dissolving in a solvent, as a pigmented paste.

Abstract: Polyaryletherketones and a method for producing the same are described wherein, for a given melt viscosity, the melt flow index is higher than expected. Such polymers may be used in situations where relative high flow is desirable.

Abstract: Compositions for producing a board and a printed circuit board produced using the composition are provided. The compositions can be used for the production of a variety of printed circuit boards.

Abstract: Methods of making miscible and compatible immiscible polymer blends are disclosed. The polymer blends have a polyimide as a component. The miscible polymer blends have a single glass transition temperature. The compatible polymer blends have two glass transition temperatures. The polymer blends may optionally include one or more fillers.

Abstract: An encapsulated colorant including a colorant and a polymer resin coating the colorant, where the polymer resin is prepared by polymerizing a polymer resin-forming composition including two or more polymerizable unsaturated monomers, and the content ratio of the two or more polymerizable unsaturated monomers is controlled to obtain a glass transition temperature of the polymer resin of ?15 to 75° C. An ink composition including an encapsulated colorant, and an ink set comprising two or more types of the ink composition. The encapsulated colorant may have different glass transition temperatures to have a utility of high optical density when printing text, and high gloss when printing images.

Abstract: There is provided a pigment dispersion composition having high pigment dispersibility and dispersion stability and favorable color characteristics even when containing a high concentration of pigment; a photocurable composition superior in developability and pixel surface smoothness, allowing high contrast; and a color filter having high contrast. A pigment dispersion composition containing a polymeric compound having a specific group or the like dissociated by an alkali is used.

Abstract: A description is given of radiation-sensitive compositions composed of a binder component and low-odor polymeric reaction products composed of the reaction product of aldehydes and ketones.

Abstract: A precursor composition to formation of a solid composite contains a glassy polymer, a step-growth polymer, a polymer or oligomer which is miscible with the glassy polymer and particulate filler.

Abstract: A capsulated colorant including a colorant and a polymer resin which is coated on the colorant and has a cross-linked structure, a method of preparing the capsulated colorant, and an ink composition including the capsulated colorant. By adjusting the extent of cross-linking of the colorant on which the polymer having a cross-linked structure is coated, a capsulated colorant having a cross-linking of larger extent and a capsulated colorant having a cross-linking of smaller extent are obtained. By using an ink composition including the capsulated colorant having a larger cross-linked extent, characteristics of excellent waterfastness, lighffastness, rubfastness and optical density can be realized. In addition, by using the ink composition including the capsulated colorant having a smaller cross-linked extent, images with excellent durability and printed gloss can be realized.