Abstract: Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.

Abstract: A multi-layer article is disclosed. The article contains a base layer that contains at least one thermoplastic resin and a second layer containing a thermoplastic (co)polyformal superimposed over the base layer. The (co)polyformal conforms to formulae (1a) or (1b), in which O-D-O and O-E-O independently denote a diphenolate group, -D- and -E- independently denote an aromatic group having 6 to 40 carbon atoms, k is a whole number from 1 to 1500, o stands for numbers from 1 to 1500, and m is z/o and n is (o-z)/o wherein z is 0 to o.

Abstract: The present invention provides a compound having a formula: where R1 is selected from the group consisting of alkyl, CH2(OC2H4)OCH3, and —(OC2H4)OCH3; n is 0-4; Olig is an oligomer having a formula: -L-O-PAGR.R2]q where L is a optional linker moiety selected from the group consisting of —CH2O—, —CH2OX—, —OX—, —C(O)—, —C(O)X, —NH—, —NHC(O)—, —XNHC(O)—, —NHC(O)X—, —C(O)NH—, —C(O)NHX—, and where X is alky1-6 or is not present, Y is N or O or is not present, and R3 is alkyl1-6; PAG is a linear or branched polyalkylene glycol moiety; R2 is an alkyl1-22 capping moiety if X is present or alkyl2-22 if X is not present; and q is a number from 1 to the maximum number of branches on PAG; and m is 1-5.

Abstract: A thermosetting resin material is provided with: (A) a thermosetting resin having a dihydrobenzoxazine ring; and (B) a condensed polycyclic aromatic hydrocarbon resin is described.

Abstract: Disclosed is a method for the synthesis of sterically hindered polymeric antioxidants based on phenol type antioxidant monomers. The method includes partially etherifying, polymerizing and thermally rearranging a phenol containing monomer represented by the following structural formula: to produce a sterically hindered polymeric macromolecular antioxidant. X, R10 and q are as defined herein. The disclosed method is a simple, direct and economical process for the synthesis of sterically hindered polymeric macromolecular antioxidants.

Abstract: Hydroxy-aromatic compounds of formula (I) are provided: wherein at least one of the set consisting of R1, R3, and R5 is a group of formula (II); any remaining one or two of the set consisting of R1, R3, and R5 being H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; R2 and R4 are H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; wherein formula (II) is the following group: wherein EWG is an electron-withdrawing group.

Abstract: A light emitting material includes a polyfluorene derivative having a liquid crystal side group is provided. The polyfluorene derivative has a chemical structure as described in structure 1: wherein Ar is an aromatic ring containing the liquid crystal side group, R1 and R2 are alkanes and n is 20 to 500.

Abstract: A poly(arylene ether) copolymer is the product of oxidative copolymerization of monomers including a monohydric phenol and a dihydric phenol. It has an intrinsic viscosity of about 0.04 to about 0.15 deciliter per gram and, on average, about 1.8 to about 2 hydroxyl groups per molecule. The poly(arylene ether) copolymer is enriched in low molecular weight copolymer chains and copolymer chains that include a terminal unit derived from the dihydric phenol.

Abstract: The present invention provides materials, devices, and methods involving new heterocyclic, shape-persistent monomeric units with internal free volume. In some cases, materials the present invention may comprise monomers, oligomers, or polymers that incorporate a heterocyclic, shape-persistent iptycene. The present invention may provide materials having low dielectric constants and improved stability at high operating temperatures due to the electron-poor character of materials. In addition, compositions of the invention may be easily synthesized and readily modified to suit a particular application.

Abstract: Disclosed is a method for production of polyphenylene by means of polymerization of phenols. The method comprises using hydroquinone as a phenol, which is predissolved in water or in alcoholic solution, adding hydrogen peroxide in the presence of transition metals aquo-ions, and controlling temperature during polymerization keeping it not higher than the boiling point, and controlling pH in the range of 2-7. In on example embodiment, Cr, Mn, Fe, Cu, Ni, Co, Zn aquo-ions or a combination thereof may be used as transition metal aquo-ions.

Abstract: An antireflective hardmask composition includes an organic solvent, and at least one polymer represented by Formulae A, B or C: In Formulae A and B, the fluorene group is unsubstituted or substituted, in Formula C, the naphthalene group is unsubstituted or substituted, n is at least 1 and is less than about 750, m is at least 1, and m+n is less than about 750, G is an aromatic ring-containing group having an alkoxy group, and R1 is methylene or includes a non-fluorene-containing aryl linking group.

Abstract: Disclosed is a polymer composition derived from a bis-phenol comprising a conjugated aromatic radical, optionally comprising nitrogen. Suitable bis-phenols as well as methods for making said polymer are also disclosed. Also disclosed are electroactive layers comprising said polymer and electroactive devices comprising said layer.

Abstract: Disclosed herein is a polycarbonate copolymer comprising A) a structure derived from a dihydroxy alkylene oxide compound selected from the group consisting of formula (1a) and formula (1b): H-(E-X)l—OH??(1a) H-(E-X-E)l-OH??(1b) wherein E and X are different and each and independently are selected from the group consisting of formula (2a) and formula (2b): —(OCH2CH2)m—??(2a) —(OCHRCH2)n—??(2b) wherein R is a C1-8 alkyl group; l, m, and n are integers greater than or equal to 1; and wherein the weight average molecular weight of the total amount of the structures corresponding to formula (2b) in the copolymer is between 100 and 2,000 g/mol; and B) a structure derived from a dihydroxy aromatic compound, wherein the weight percentages are based on the total weight of the structures of A) and B).

Abstract: Disclosed herein is a polycarbonate copolymer comprising A) a structure derived from a dihydroxy alkylene oxide compound selected from the group consisting of formula (1a) and formula (1b): H-(E-X)l—OH??(1a) H-(E-X-E)l-OH??(1b) wherein E and X are different and each and independently are selected from the group consisting of formula (2a) and formula (2b): —(OCH2CH2)m—??(2a) —(OCHRCH2)n—??(2b) wherein R is a C1-8 alkyl group; l, m, and n are integers greater than or equal to 1; and wherein the weight average molecular weight of the total amount of the structures corresponding to formula (2b) in the copolymer is between 100 and 2,000 g/mol; and B) a structure derived from a dihydroxy aromatic compound, wherein the weight percentages are based on the total weight of the structures of A) and B).

Abstract: An aromatic polycarbonate having a high refractive index and good processing and mechanical properties is provided. The aromatic polycarbonate comprises a thiodiphenol monomer and a biphenyl monomer. The refractive index of the polycarbonate may be greater than 1.670.

Abstract: A polycarbonate copolymer contains: 0.1 to 50 mol % of a monomer unit represented by the following formula (1); and a monomer unit represented by the following formula (2). In the polycarbonate copolymer, the content of biphenols having a structure represented by the following formula (3) is 90 mass ppm or less. In the formula, R1 and R2 each independently represent a hydrogen atom, an aliphatic hydrocarbon group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms or a halogen atom. In the formula: R3 and R4 each independently represent a hydrogen atom, an aliphatic hydrocarbon group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms or a halogen atom; and X represents any one of bonding groups represented by —O—, —S—, —SO—, —SO2—, —CO— and 9,9-fluorenylidene group. In the formula, R1 and R2 each independently represent a hydrogen atom, an aliphatic hydrocarbon group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms or a halogen atom.

Abstract: The present invention relates to electroluminescent polymers which contain structural units of the formula (1) and to the use thereof. The polymers according to the invention exhibit improved efficiency and a longer lifetime, in particular on use in polymeric organic light-emitting diodes.

Abstract: It is an object of the present invention to provide a liquid composition for an organic-inorganic composite dielectric excellent in dispersibility of an inorganic dielectric in an organic polymer and exhibiting a high dielectric constant in the case where the composition is used for producing an organic-inorganic composite dielectric. The present invention is directed to a liquid composition for a composite dielectric, which comprises an inorganic dielectric and a fluorinated aromatic polymer.

Abstract: The present invention relates to polycarbonate having repeat units derived from tert-butylhydroquinone (TBHQ). It has herein been found that polycarbonate having repeat units derived from TBHQ has superior properties as compared to polycarbonate having repeat units derived from other dihydroxy (hydroquinone-type) compounds. In one embodiment the present invention provides a polycarbonate having repeat units derived from tert-butylhydroquinone. The polycarbonate has a Mw (PC) of at least 9,000 g/mol.

Abstract: To provide a resin composition which is advantageous not only in that the resin composition can be produced at low cost, but also in that it is unlikely to thermally expand, a prepreg, a laminate, and a wiring board. A resin composition for use in production of a laminate, the resin composition comprising an insulating resin having an aromatic ring, wherein the insulating resin having an aromatic ring has a molecular weight between crosslinking sites of 300 to 1,000 on the stage after the production of the laminate, as determined from an elastic shear modulus of the insulating resin measured at a temperature of Tg or higher.

Abstract: An inexpensive and durable polyelectrolyte composition includes both an aromatic polymer containing carbonyl linkages and/or sulfonyl linkages in the backbone chain and bearing cation-exchange groups and a fused salt exhibits a high ionic conductivity even in the absence of water or a solvent. The aromatic polymer is preferably an aromatic polyether sulfone comprising specific structural units and bearing cation-exchange groups, an aromatic polyether ketone comprising specific structural units and bearing cation-exchange groups, an aromatic polyether sulfone block copolymer consisting of at least one hydrophilic segment bearing cation-exchange groups and at least one hydrophobic segment free from cation-exchange groups, and/or an aromatic polyether ketone block copolymer consisting of at least one hydrophilic segment bearing cation-exchange groups and at least one hydrophobic segment free from cation-exchange groups.

Abstract: The present invention provides a phenol resin having, as a unit in its main-chain skeleton, a structure represented by the following general formula (I), as well as a resin composition using the same. According to the phenol resin of the invention, epoxylation thereof, chemical modification thereof, reaction thereof with an epoxy resin, and the like are facilitated. Phenol resins ranging from low-molecular-weight resins rich in fluidity to high-melting resins can be synthesized, and these phenol resins are industrially useful. When the phenol resin of the present invention is used as a hardening agent for epoxy resin etc., its resin composition can give a cured product of high Tg without deteriorating adhesiveness.

Abstract: A polycarbonate copolymer which comprises 30 to 70 mol % of a structural unit comprising a bisphenyl fluorene structure and 70 to 30 mol % of a structural unit comprising tricyclo [5.2.1.02.6] decanedimethanol and causes little occurrence of a birefringence even when extrusion, injection molding or stretch processing is conducted and a process for producing the same.

Abstract: A poly(arylene ether) copolymer is the product of oxidative copolymerization of monomers including a monohydric phenol and a dihydric phenol. It has an intrinsic viscosity of about 0.04 to about 0.15 deciliter per gram and, on average, about 1.8 to about 2 hydroxyl groups per molecule. The poly(arylene ether) copolymer is enriched in low molecular weight copolymer chains and copolymer chains that include a terminal unit derived from the dihydric phenol.

Abstract: The present invention provides a simple, non-destructive and versatile method that enables layer-by-layer (LbL) assembly to be performed on virtually any substrate. A novel catechol-functionalized polymer which adsorbs to virtually all surfaces and can serve as a platform for LbL assembly in a surface-independent fashion is also provided.

Abstract: An aromatic polymer, containing a repeating unit represented by Formula (I), and having properties (A1) and (B1): (A1) the number average degree of polymerization of an acetylated product obtained by acetylation of the hydroxyl groups of the polymer is 3 or more, and (B1) at a wavelength where an absolute value of molar ellipticity (degree·cm?2·dmol?1) per mole of the repeating unit of the acetylated product in a circular dichroism spectrum of the acetylated product reaches maximum in a wavelength range of from 200 to 350 nm, the absolute value is 50,000 or more: wherein R represents a hydrocarbon, hydrocarbon-oxy, hydrocarbon-mercapto or hydrocarbon-amino group that may be substituted; the two R?s may bind to each other to form a ring; and the repeating unit represented by Formula (I) has two binding sites and has no symmetrical plane perpendicular to the benzene ring.

Abstract: Polymers having a main chain having both aromatic units and aliphatic units (with repeating heteroatoms) and a side chain macromonomer are described. Methods of making these polymers using enzymatic synthesis and the applications of these polymers are also described.

Abstract: The invention provides an epoxy resin composition, a novel epoxy resin, a novel phenol resin and a semiconductor encapsulating material. The cured article of the epoxy resin composition has superior characteristics in flame retardancy, heat-resistant and curing. The epoxy resin composition is a preferable resin composition using in a semiconductor device or a circuit board device, and has the structure in which a naphthalene structure is bonded with an arylene group through an oxygen atom, and the total number of the aromatic nucleus in both the naphthalene structures and the arylenes group is 2-8. The epoxy resin composition essentially includes an epoxy resin (A) having the glycidoxy group as a substituent in the aromatic nucleus and a curing agent (B).

Abstract: The present invention provides a method to producing a phenol resin by which a polyarylene having low melt viscosity ether can be industrially produced by extremely simple and easy method, without the need of a special aftertreatment after polymerization and complicated multistep reaction, and produces a method of producing an epoxy resin from a phenol resin obtained by the above-mentioned method. The method of producing a phenol resin having a polyarylene ether structure includes a step of a dehydration condensation reaction of reacting a polyhydroxyaromatic compound (A) having two or more phenolic hydroxyl groups per molecule in the presence of a basic catalysis (B).

Abstract: To provide a prepolymer which is excellent in heat resistance and which can form a cured product excellent in oil repellency and water repellency. A crosslinkable prepolymer having a polyaryl ether structure on its main chain, which has a crosslinkable functional group and a side chain represented by “Rf—CH2—O—” wherein Rf is a C3-50 fluorinated alkyl group (which may contain an oxygen atom forming an ether bond)).

Abstract: Synthesis methods for creating polymeric compounds comprising dihydroxyphenyl derivatives (DHPD), or DHPp i.e. polymers modified with DHPD, with desired surface active effects are described. The polymer backbone of DHPp has structural or performance features that can be tailored to control physical properties of DHPp, allowing it to be useful for different applications i.e. tissue adhesives or sealants, adhesion promoting coatings, and antifouling coatings.

Abstract: A method of modifying liquid crystal polymers, which involves a step of irradiating a liquid crystal polymer with the laser beam having a pulse width of 10?12 seconds or less. Using the invention method, the physical strength of the liquid crystal polymers can be improved as compared with the conventional liquid crystal polymers.

Abstract: A dihydroxyphenyl cross-linked macromolecular network is provided that is useful in artificial tissue and tissue engineering applications, particularly to provide a synthetic macromolecular network for a wide variety of tissue types. In particular, artificial or synthetic cartilage, vocal cord material, vitreous material, soft tissue material and mitral valve material are described. In an embodiment, the network is composed of tyramine-substituted and cross-linked hyaluronan molecules, wherein cross-linking is achieved via peroxidase-mediated dityramine-linkages that can be performed in vivo. The dityramine bonds provide a stable, coherent hyaluronan-based hydrogel with desired physical properties.

Abstract: An aromatic polycarbonate having a high refractive index and good processing and mechanical properties is provided. The aromatic polycarbonate comprises a thiodiphenol monomer and a biphenyl monomer. The refractive index of the polycarbonate may be greater than 1.670.

Abstract: Disclosed herein is a polycarbonate copolymer comprising A) a structure derived from a dihydroxy alkylene oxide compound selected from the group consisting of formula (1a) and formula (1b): H-(E-X)l—OH ??(1a) H-(E-X-E)l-OH ??(1b) wherein E and X are different and each and independently are selected from the group consisting of formula (2a) and formula (2b): —(OCH2CH2)m— ??(2a) —(OCHRCH2)n— ??(2b) wherein R is a C1-8 alkyl group; l, m, and n are integers greater than or equal to 1; and wherein the weight average molecular weight of the total amount of the structures corresponding to formula (2b) in the copolymer is between 100 and 2,000 g/mol; and B) a structure derived from a dihydroxy aromatic compound, wherein the weight percentages are based on the total weight of the structures of A) and B).

Abstract: A phenolic resin, which is the reaction product of a difunctional phenol compound and a divinyl ether having a cycloalkane structure, is provided. The phenolic resin is used to form a difunctional epoxy resin. The resulting epoxy resin features relatively increased molecular weight, and it is used to impart flexibility or improved dielectric properties. It also provides improved moisture and water resistance when used to produce a cured epoxy resin article.

Abstract: According to an aspect of the invention, medical devices are provided which include (a) a substrate and (b) a coating that includes an antifouling copolymer, an adhesive copolymer, or both. Antifouling copolymers for use in conjunction with the present invention contain (i) at least one antifouling polymer block having multiple pendant alkoxy functional groups along the polymer backbone and (ii) at least one additional polymer block. Adhesive copolymers for use in conjunction with the present invention contain (i) at least one adhesive polymer block having multiple pendant ring-hydroxyl-substituted aromatic groups along the polymer backbone and (ii) at least one additional polymer block.

Abstract: The invention relates to chemistry, particularly to physical chemistry of polymers, to biology and medicine, and concerns substances useful as antihypoxants, antioxidants, labour-efficiency improving agents found its application in pharmacology, cosmetology, food industry, veterinary medicine and other adjoining fields. The most prospected application of the invention is in increase of organism defenses, in prevention and treatment of pathologic processes of cardiovascular, locomotor, immune and nervous systems accompanied by hypoxia, slow chronic diseases, under pancreatic diabetes, diseases of skin and hemopoietic organs, for treating and erasing of post-alcoholic intoxication including in chronic alcoholism, and also as a basis or component of agents being able to increase the labour-efficiency and metabolic-reduction processes of the subjects forced to endure high and intensive training and working loads, e.g. rescuers, sports men, astronauts.

Abstract: A method for making a polyarylene ether copolymer including mixing a polyarylene ether, a hydroxyaromatic terminated siloxane reagent and an oxidant, and melt compounding the mixture. A polyarylene ether copolymer including a polyarylene ether, a hydroxyaromatic terminated siloxane reagent, an oxidant and a filler is also presented.

Abstract: The technical problem which is solved by the present invention is lowering toxicity of the polyphenylene which is produced. Polyphenylene producing method is carried out by polymerization of phenols. This method differs from the prototype method by using hydroquinone as a phenol, which is predissolved in water or in alcoholic solution, adding hydrogen peroxide in the presence of transition metal aquo-ions, and controlling temperature during polymerization keeping it not higher than the boiling point, and controlling pH in the range of 2-7. It is advantageous to use aquo-ions of such metals as Cr, Mn, Fe, Cu, Ni, Co, Zn or a combination thereof. The polymerization process being carried out using 10-20% aqueous hydroquinone solution.

Abstract: The invention relates to a hydroxy-aromatic compound of formula (I): wherein: at least one of the set consisting of R1, R3, and R5 is a group of formula (II); any remaining one or two of the set consisting of R1, R3, and R5 being H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; R2 and R4 are H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; formula (II) is the following group: wherein EWG is an electron-withdrawing group.

Abstract: The present invention relates to polymer composite materials containing carbon nanotubes, particularly to those containing singled-walled nanotubes. The invention provides a polymer composite comprising one or more base polymers, one or more functionalized m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers and carbon nanotubes. The invention also relates to functionalized m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers, particularly to m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers having side chain functionalization, and more particularly to m-phenylenevinylene-2,5-disubstituted-p-phenylenevinylene polymers having olefin side chains and alkyl epoxy side chains. The invention further relates to methods of making polymer composites comprising carbon nanotubes.

Abstract: Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH)x wherein x?3 and wherein Ar is an aryl moiety or an alkylaryl moiety, provided that when Ar is an alkylaryl moiety at least three of the —OH groups are bonded to an aryl portion thereof, (ii) a compound of the formula wherein m is 0 or 1, Y and Y? each, independently of the other, is fluorine or chlorine, and A is as defined herein, (iii) a compound of the formula wherein B is as defined herein, and (iv) a carbonate base; and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction. Also disclosed are polymers prepared by this process and imaging members containing these polymers.

Abstract: An antireflective hardmask composition includes an organic solvent, and at least one polymer represented by Formulae A, B or C: In Formulae A and B, the fluorene group is unsubstituted or substituted, in Formula C, the naphthalene group is unsubstituted or substituted, n is at least 1 and is less than about 750, m is at least 1, and m+n is less than about 750, G is an aromatic ring-containing group having an alkoxy group, and R1 is methylene or includes a non-fluorene-containing aryl linking group.

Abstract: Polymers with a hydrolytically labile polymer backbones with non-toxic biocompatible diphenolic repeating units having the structure: wherein R9 is an alkyl, aryl or alkylaryl group with up to 18 carbon atoms having a pendent carboxylic acid group or the benzyl ester thereof; and non-toxic biocompatible diphenolic repeating units having the structure: wherein R12 is an alkyl, aryl or alkylaryl group with up to 18 carbon atoms having a pendent carboxylic acid ester group selected from straight and branched alkyl and alkylaryl esters containing up to 18 carbon atoms and ester derivatives of biologically and pharmaceutically active compounds covalently bonded to the polymer, provided that said ester group is not a benzyl group or a group that is removed by hydrogenolysis. Implantable medical devices and treatment methods using the polymers are also disclosed.

Abstract: Compositions comprising at least one phosphorescent organometallic compound and a polymer comprising structural units of formula II are useful in organic light emitting devices wherein R1, R2, and R4 are independently at each occurrence a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; wherein R3 and R5 are independently selected from the group consisting of hydrogen, triphenylsilyl, t-butyl, mesityl, diphenyl phosphine oxide, and diphenyl phosphine sulfide; and a, b and d are independently 0 or an integer ranging from 1 to 3.

Abstract: Crosslinked polymer blends comprising a poly(arylene ether) and a nonlinear optical chromophore. Also featured are electro-optic devices incorporating these blends.

Abstract: The present invention relates to polycarbonate having repeat units derived from tert-butylhydroquinone (TBHQ). It has herein been found that polycarbonate having repeat units derived from TBHQ has superior properties as compared to polycarbonate having repeat units derived from other dihydroxy (hydroquinone-type) compounds. In one embodiment the present invention provides a polycarbonate having repeat units derived from tert-butylhydroquinone. The polycarbonate has a Mw (PC) of at least 9,000 g/mol.

Abstract: A curable composition includes an olefinically unsaturated monomer and a poly(arylene ether) having two polymerizable groups and an intrinsic viscosity of about 0.05 to about 0.30 deciliters per gram. The composition exhibits an improved combination of high flow during molding and high post-cure stiffness and impact strength. The composition is particularly useful for fabricating plastic-packaged electronic devices.

Abstract: A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar?—CO—Ar?—O—Ar—CO—Ar?—CO—] ??(II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated and unsulfonated O-phenylene-CO units can be in any desired sequence with respect to one another, the radicals Ar, Ar? and Ar? independently of one another are substituted or unsubstituted 1,2-, 1,3- or 1,4-phenylene rings, and M, taking into account the ionic valencies, comprises one or more elements selected from the following group: H, NR4+, where R is H or C1-C4-alkyl, or an alkali metal or alkaline earth metal or a metal from subgroup 8, and is preferably H, NR4+, Li, Na, K, Ca, Mg, Fe or Pt.