Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lives and better oxidative resistance to materials than currently available antioxidants.

Abstract: A one pot method of preparing cyclic carbonyl compounds comprising an active pendant pentafluorophenyl ester group is disclosed. The cyclic carbonyl compounds can be polymerized by ring opening methods to form ROP polymers comprising repeat units comprising a side chain pentafluorophenyl ester group. Using a suitable nucleophile, the pendant pentafluorophenyl ester group can be selectively transformed into a variety of other functional groups before or after the ring opening polymerization.

Abstract: It is an object to provide a film having both high transparency and high heat resistance, and particularly a coating solution for forming a coating film from which an optical film can be produced. A triaroylbenzene-skeleton polymer in which a terminal of a polymer produced by polymerizing a compound of Formula [1] below is modified by a compound of Formula [2] below. A coating solution for forming a coating film, comprising the polymer. A film obtained from the coating solution for forming a coating film. In the formulae below, X1 is a divalent group of Formula [1a], Formula [1b], or Formula [1c] below (where Y1 and Y2 are independently a C1-2 alkylene group; n is an integer of 1 to 6; and m is an integer of 1 to 6), X2 is divalent benzene, thiophene, furan, or fluorine, and X3 is a hydrogen atom, a halogen atom, CF3, a C1-6 alkoxy group, or a C1-6 alkyl group.

Abstract: Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as well as intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers.

Abstract: Disclosed is a non-thermofusible phenol resin powder having an average particle diameter of not more than 20 ?m and a single particle ratio of not less than 0.7. This non-thermofusible phenol resin powder preferably has a chlorine content of not more than 500 ppm. This non-thermofusible phenol resin powder is useful as an organic filler for sealing materials for semiconductors and adhesives for semiconductors. The non-thermofusible phenol resin powder is also useful as a precursor of functional carbon materials such as a molecular sieve carbon and a carbon electrode material.

Abstract: Novel aromatic ether-containing monomers are described along with processes for their preparation and their polymerization into corresponding aromatic ether-containing polyfluorenes. These polyfluorenes exhibited stable blue-emission and therefore have application in polymer light-emitting devices.

Abstract: Disclosed is a non-thermofusible phenol resin powder having an average particle diameter of not more than 20 ?m and a single particle ratio of not less than 0.7. This non-thermofusible phenol resin powder preferably has a chlorine content of not more than 500 ppm. This non-thermofusible phenol resin powder is useful as an organic filler for sealing materials for semiconductors and adhesives for semiconductors. The non-thermofusible phenol resin powder is also useful as a precursor of functional carbon materials such as a molecular sieve carbon and a carbon electrode material.

Abstract: This invention relates to a liquid crystal composition and articles comprising the composition. The composition comprises at least one compound of each of the Formulas (I), (II) and (III), as defined herein. A process for making the composition is also provided.

Abstract: The preparation of epoxy resin compositions which comprise glycidyl ethers comprising cyclohexyl groups and have a low oligomer content is carried out by distillation of compositions which are obtainable by ring hydrogenation of compounds of the general formula (I) where —X— is —CR2—, —CO—, —O, —S—, —SO2—, the radicals R are each, independently of one another, H, C1-6-alkyl, C3-6-cycloalkyl, in which one or more H atoms can be replaced by halogen, the radicals R? are each, independently of one another, C1-4-alkyl, halogen, the indices n are each, independently of one another, 0, 1, 2 or 3, and subsequent reaction of the hydroxyl groups with epichlorohydrin, in thin film evaporators or short path evaporators at a temperature in the range from 150 to 270° C. and a pressure in the range from 0.001 to 1 mbar.

Abstract: The disclosure relates to methods and materials useful for polymerizing a monomer. In one embodiment, for example, the disclosure provides a method for polymerizing a monomer containing a plurality of electrophilic groups, wherein the method comprises contacting the monomer with a nucleophilic reagent in the presence of a guanidine-containing catalyst. The methods and materials of the disclosure find utility, for example, in the field of materials science.

Abstract: Disclosed is a thermofusible and thermosetting phenol resin powder having an average particle diameter of not more than 20 ?m and a single particle ratio of not less than 0.7. This phenol resin powder preferably has an average particle diameter of not more than 10 ?m, a variation coefficient of the particle size distribution of not more than 0.65, a particle sphericity of not less than 0.5 and a free phenol content of not more than 1000 ppm. Also disclosed are a dispersion liquid of such a phenol resin powder, and a method for producing a phenol resin powder having such characteristics.

Abstract: Disclosed is a method for producing a polyphenylene ether, which comprises a step of preparing a polymerization solution composed of 10-25 parts by mass of a phenolic compound (M) and 75-90 parts by mass of an aromatic solvent (A) with the total of the compound and the solvent being 100 parts by mass, and 0.1-10 parts by mass of a catalyst (C) containing a metal salt; a step of performing an oxidative polymerization of the phenolic compound (M) by passing an oxygen-containing gas through the polymerization solution; a step of stopping the polymerization by mixing an aqueous chelating agent solution into the polymerization solution; a step of subjecting a diphenoquinone compound produced as a by-product to a quinone binding process or removal by reduction; and a step of obtaining a polyphenylene ether by separating the aqueous phase through liquid-liquid separation. In the method for producing a polyphenylene ether, 0.001-0.

Abstract: A method of sealing a semiconductor element which involves applying an epoxy resin composition including an epoxy resin and a phenolic resin obtained by reacting phenol, a biphenyl compound represented by the general formula (3) and benzaldehyde to a semiconductor element and curing the composition to seal the semiconductor element: wherein X in the formula (3) is a halogen, an OH group or an OCH3 group. The molar ratio of the total of the biphenyl compound and benzaldehyde relative to the phenol is from 0.27 to 0.40, and the molar ratio of benzaldehyde/biphenyl compound is from 5/95 to 40/60.

Abstract: The present invention relates to a resin for use in a thermal transfer image-receiving sheet which is excellent in dyeability with dyes and releasability of the sheet, a resin dispersion using the resin, and a thermal transfer image-receiving sheet. The resin for a thermal transfer image-receiving sheet is obtained by addition polymerizing and condensation polymerizing (a) raw monomers of a polyester, (b) a raw monomer of an addition polymer-based resin containing at least one compound selected from the group consisting of styrene and styrene derivatives and (c) at least one dually reactive monomer selected from the group consisting of acrylic acid, methacrylic acid and derivatives of these acids, wherein the raw monomers (a) of a polyester include an alcohol component containing 80 mol % or more of an alkyleneoxide adduct of 2,2-bis(4-hydroxyphenyl)propane.

Abstract: A compound for spacing nonlinear optical chromophores of the Formula I and the commercially acceptable salts, solvates and hydrates thereof, wherein R1, R2, R3, R4, W, X, Y, Z, Q1, Q2, Q4 and L have the definitions provided herein.

Abstract: The present invention relates to A phenol compound according to Formula (I): wherein: R1 is selected from the group consisting of, optionally substituted, 2-pyridyl, 3-pyridiyl and 4-pyridyl groups, wherein R1 is at position 2 or 3 of the phenol ring; R2 is selected from the group consisting of, optionally substituted, 2-pyridyl, 3-pyridiyl, 4-pyridyl and phenyl groups, wherein R2 is at position 5 or 6 of the phenol ring; and the phenol ring is optionally substituted at one or two positions, independently selected from positions 2, 3, 5 and 6, with a halogen atom or a with an optionally substituted C6-C12 aryl group or an optionally substituted C1-C10 alkyl group. The present invention relates also to (co)polymers comprising the phenol compound according to Formula (I) and membranes and ionic resins comprising said (co)polymers.

Abstract: Disclosed is a non-thermofusible phenol resin powder having an average particle diameter of not more than 20 ?m and a single particle ratio of not less than 0.7. This non-thermofusible phenol resin powder preferably has a chlorine content of not more than 500 ppm. This non-thermofusible phenol resin powder is useful as an organic filler for sealing materials for semiconductors and adhesives for semiconductors. The non-thermofusible phenol resin powder is also useful as a precursor of functional carbon materials such as a molecular sieve carbon and a carbon electrode material.

Abstract: Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability. Organic transistor and photovoltaic devices incorporating the present compounds as the active layer exhibit good device performance.

Abstract: A polyester for a toner having a softening point of from 70° to 110° C. and a glass transition temperature of from 38° to 60° C., obtained by polycondensing an alcohol component containing a propylene oxide adduct of bisphenol A and an ethylene oxide adduct of bisphenol A in a total amount of 80% by mole or more, with a carboxylic acid component, wherein the propylene oxide adduct has an average number of moles of from 2.0 to 2.4, and the ethylene oxide adduct has an average number of moles of from 2.5 to 4.2. The polyester for a toner of the present invention is suitably used as a resin binder of a toner, or the like, used for, for example, developing a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.

Abstract: The present invention relates to a polyester for thermal transfer image-receiving sheets which includes a polyester A produced from an alcohol component containing 50 mol % or more of an alkyleneoxide adduct of 2,2-bis(4-hydroxyphenyl)propane and an acid component containing 80 mol % or more of an aliphatic carboxylic acid and/or an alicyclic carboxylic acid as a total amount thereof, and a polyester B produced from an alcohol component containing 80 mol % or more of the alkyleneoxide adduct of 2,2-bis(4-hydroxyphenyl)propane and an acid component containing 10 to 35 mol % of a trivalent or higher valent aromatic polycarboxylic acid; a resin dispersion containing the polyester; a process for producing the resin dispersion; a thermal transfer image-receiving sheet using the polyester; and a process for producing the thermal transfer image-receiving sheet. The thermal transfer image-receiving sheet is capable of satisfying all of a dyeability, a light resistance and a releasability at the same time.

Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants.

Abstract: New multifunctional aromatic copolymers bearing pyridine or pyrimidine units either in the main chain or side chain and single wall carbon nanotubes or multi wall carbon nanotubes as side chain pendants have been prepared. These multifunctional materials will combine both high proton and electrical conductivity due to the existence of polar pyridine or pyrimidine groups and carbon nanotubes within the same chemical structure. The prepared multifunctional materials can be used in the catalyst ink of the electrodes in high temperature PEM fuel cells.

Abstract: Sterically hindered phenol and phosphite based compounds, represented by formula I: and their use as antioxidants in a wide range of materials including, but not limited to, food, plastics, elastomers, composites and petroleum based products is disclosed herein.

Abstract: A dihalobiphenyl compound represented by the formula (1): wherein A represents an amino group substituted with one or two C1-C20 hydrocarbon groups or a C1-C20 alkoxy group, R1 represents a fluorine atom, a C1-C20 alkyl group, etc., X1 represents a chlorine atom, a bromine atom or an iodine atom, an k represents an integer of 0 to 3, and a polyarylene comprising a repeating unit represented by the formula (2): wherein A, R1 and k represent the same meanings as defined above.

Abstract: The present invention generally relates to compositions, methods, and systems comprising polymers that are fluorous-soluble and/or organize at interfaces between a fluorous phase and a non-fluorous phase. In some embodiments, emulsions or films are provided comprising a polymer. The polymers, emulsions, and films can be used in many applications, including for determining, treating, and/or imaging a condition and/or disease in a subject. The polymer may also be incorporated into various optoelectronic device such as photovoltaic cells, organic light-emitting diodes, organic field effect transistors, or the like. In some embodiments, the polymers comprise pi-conjugated backbones, and in some cases, are highly emissive.

Abstract: A poly(2,6-dimethyl-1,4-phenylene ether) having a high molecular weight and a reduced content of low molecular weight species can be prepared by a method that includes specific conditions for the oxidative polymerization, chelation, and isolation steps. The poly(2,6-dimethyl-1,4-phenylene ether) is particularly useful for the fabrication of fluid separation membranes.

Abstract: A coated granule obtained by coating a bioactive substance-containing granule with a urethane resin obtained by reaction of an aromatic polyisocyanate with an alcohol mixture comprising a polyesterpolyol having 15 wt % or more of an oxycarbonyl structure (—O—C(?O)—) part in the molecule and a C4-C30 alkanol optionally substituted by one or more aryl groups, wherein the molar ratio of the polyesterpolyol to the alkanol is 1:1 to 100:1, is capable of controlling elution of the bioactive substance appropriately, and, the urethane resin forming the coat film shows degradability in soil.

Abstract: To provide a crosslinkable fluorinated aromatic prepolymer which is capable of forming a cured product having a low relative permittivity, high heat resistance, low birefringence and high flexibility, and its uses.

Abstract: A membrane-electrode assembly for solid polymer electrolyte fuel cell that exhibits superior dimensional stability to high temperature of hot water generated on power generation, and that has both excellent power generation performance and durability in a low temperature environment is provided. According to the membrane-electrode assembly for solid polymer electrolyte fuel cell in which a polyarylene-based copolymer having a specific repeating constitutional unit is used as a proton conductive membrane, the membrane-electrode assembly for solid polymer electrolyte fuel cell that exhibits superior dimensional stability to high temperature of hot water generated on power generation, and that has both excellent power generation performance and durability in a low temperature environment can be provided.

Abstract: A polymer composition includes an aromatic ring-containing polymer represented by Formula 1: wherein m and n satisfy the relations 1?m<190, 0?n<190, and 1?m+n<190.

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 alkyl1-6 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 one pot method of preparing cyclic carbonyl compounds comprising an active pendant pentafluorophenyl ester group is disclosed. The cyclic carbonyl compounds can be polymerized by ring opening methods to form ROP polymers comprising repeat units comprising a side chain pentafluorophenyl ester group. Using a suitable nucleophile, the pendant pentafluorophenyl ester group can be selectively transformed into a variety of other functional groups before or after the ring opening polymerization.

Abstract: [Problem to be Solved] There is provided automotive lamp peripheral parts excellent in the heat resistance, rigidity and fogging property. [Solution] The automotive lamp peripheral part according to the present invention is obtained from a resin composition containing 70% by mass or more of a polyphenylene ether (A), and has a haze value of a glass plate of 1.0% or less after the glass plate is subjected to a following fogging test using an apparatus according to ISO 6452: <Fogging test> 60 g of a pellet or a molded article obtained from the resin composition is put in a glass-made sample bottle; the sample bottle is covered with a glass plate as a lid, and heated at 170° C. for 24 hours to thereby generate fogging on the glass plate.

Abstract: Novel aromatic AB2 imide monomer with thermally reactive trialkylsiloxy and aryl fluoride moieties, which can be polymerized to form hyperbranched aromatic polyimides in the presence of a metal fluoride catalyst. Nanoclay composites were generated by either (i) direct blending of a preformed hyperbranched aromatic polyimide and Closite nanoclay (?20 wt %) or (ii) blending of the AB2 monomer, CsF catalyst and Closite nanoclay (?20 wt %) followed by thermal solid-state polymerization of the AB2 monomer homogeneously dispersed in the nanoclay.

Abstract: Phenolic resin binder systems for sand molds, used in metal casting, which improve the quality of thermally reclaimed sand, are described. The substantial or complete elimination of calcium compounds (e.g., calcium stearate and calcium hydroxide, conventionally employed as a mold lubricant and a resin curing catalyst, respectively) allows the thermally reclaimed sand to be reused over multiple thermal reclamation cycles without the adverse effects previously encountered.

Abstract: An approach is presented for designing a polymeric layer for nanometer scale thermo-mechanical storage devices. Cross-linked polyimide oligomers are used as the recording layers in atomic force data storage device, giving significantly improved performance when compared to previously reported cross-linked and linear polymers. The cross-linking of the polyimide oligomers may be tuned to match thermal and force parameters required in read-write-erase cycles. Additionally, the cross-linked polyimide oligomers are suitable for use in nano-scale imaging.

Abstract: An organic thin film transistor comprising a semiconductor layer containing a thiophene oligomer which has a thiophene ring having a substituent and a partial structure constituted by directly connected two or more thiophene rings each having no substituent, and contains three to forty thiophene rings per molecule.

Abstract: An enhanced prepreg for printed circuit board (PCB) laminates includes a substrate and a resin applied to the substrate. The resin includes a curable polymer and a polymerization initiator polymer having a backbone with a free radical initiator forming segment that breaks apart upon being subjected to heat to generate a plurality of non-volatile initiating species. This resin composition eliminates possible volatile loss of the free radical initiator during all processing steps in the preparation of PCB laminates. The resin may additionally include a cross-linking agent, flame retardant and viscosity modifiers. In one embodiment, a sheet of woven glass fibers is impregnated with the resin and subsequently dried or cured. The glass cloth substrate may include a silane coupling agent to couple the resin to the substrate. In another embodiment, resin coated copper (RCC) is prepared by applying the resin to copper and subsequently curing the resin.

Abstract: A naphthalene derivative having formula (1) is provided wherein cyclic structures Ar1 and Ar2 denote a benzene or naphthalene ring, X is a single bond or C1-C10 alkylene, m is 0 or 1, and n is such a natural number as to provide a molecular weight of up to 100,000. A material comprising the naphthalene derivative or a polymer comprising the naphthalene derivative is spin coated to form a resist bottom layer having improved properties. A pattern forming process in which a resist bottom layer formed by spin coating is combined with an inorganic hard mask formed by CVD is available.

Abstract: A coated granule obtained by coating a bioactive substance-containing granule with a urethane resin obtained by reaction of an aromatic polyisocyanate with a polyol having an average molecular weight of 300 to 5000, wherein the polyol contains a polycaprolactonepolyol and a hydroxy fatty acid ester of the formula (I): (wherein, X represents —CH2-CH2- or —CH?CH—, n represents 1, 2 or 3, m represents 0, 1 or 2, and n+m is 2 or 3. In the case of n+m=2, A represents a C2 to C8 alkanediyl group, and in the case of n+m=3, A represents a C3 to C8 alkanetriyl group.) as the coat film, is capable of controlling elution of the bioactive substance appropriately, and, the urethane resin forming the coat film shows degradability in soil.

Abstract: The present invention relates to a polymer which comprises at least one structural unit which contains at least one aldehyde group, and to a process for the preparation of a crosslinkable or crosslinked polymer including a polymer which contains aldehyde groups. The present invention thus also relates to a crosslinkable polymer and a crosslinked polymer which is prepared by the process according to the invention, and to the use of this crosslinked polymer in electronic devices, in particular in organic electroluminescent devices, so-called OLEDs (OLED=organic light emitting device).

Abstract: A proton conductive membrane displays sufficient proton conductivity even at low humidities and low temperatures. The proton conductive membrane includes: a block copolymer including an ion conductive polymer segment (A) and an ion nonconductive polymer segment (B), the segment (A) and the segment (B) being covalently bound in a manner such that main chain skeletons of the segments are covalently bound at aromatic rings thereof through binding groups, (i) the membrane having a morphology including a microphase separated structure, (ii) the ion conductive polymer segment (A) forming a continuous phase.

Abstract: The preparation of aromatic sulfonimide polymers useful as membranes in electrochemical cells is described.

Abstract: The present invention relates to conjugated polymers comprising specific carbazole structural units. The materials according to the invention display steeper current-voltage curves and are therefore better suited to use in organic light-emitting diodes than are comparative polymers which do not contain these units.

Abstract: The present invention involves the design of a radiation curable organic pre polymer resin material based on urethane acrylic linkage synthesized from the natural renewable resource cardanol or a derivative thereof, for coating application. These new molecules have a faster and better curing rate compared to the starting renewable resource—cardanol. This is brought about by the hydrogen bonding of the urethane linkage which leads to a pre organization of the molecules in such a way as to bring the cross linkable double bonds closer to each other. The present invention also involves a UV curable formulation of the above mentioned resins along with 2-10 parts by weight of a photopolymerization initiator. The resin, either in a formulation or alone turns into a cross linked film upon photopolymerization in presence of photoinitiator under a UV curable radiation source like a mercury vapor pressure lamp.

Abstract: The present invention provides a wholly aromatic liquid-crystalline polyester consisting of the repeating units represented by formulae (I), (II), (III) and (IV): wherein: the molar proportion of the repeating unit represented by formula (I) based on the total repeating units constituting the wholly aromatic liquid-crystalline polyester is 40-80 mol %; the molar ratio of the total amount of the repeating units represented by formulae (II) and (III) to the repeating unit represented by formula (IV) is from 90/100 to 100/90; the molar proportion of the repeating unit represented by formula (II) based on the total amount of the repeating units represented by formulae (II) and (III) is 80-99.9 mol%; and the two “—O—” attached to the benzene ring in formula (III) are positioned meta or para to each other and “Ar” in formula (IV) represents a bivalent aromatic group.

Abstract: A poly(2,6-dimethyl-1,4-phenylene ether) having a high molecular weight and a reduced content of low molecular weight species can be prepared by a method that includes specific conditions for the oxidative polymerization, chelation, and isolation steps. The poly(2,6-dimethyl-1,4-phenylene ether) is particularly useful for the fabrication of fluid separation membranes.

Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants.

Abstract: Disclosed is a phenolic resin having flame retardance, fast curing property and low melt viscosity, which is useful for a curing agent for epoxy resin-based semiconductor sealing materials. Also disclosed are a method for producing such a phenolic resin and use of such a phenolic resin. Specifically disclosed is a phenolic resin obtained by reacting a phenol, a bismethylbiphenyl compound and an aromatic aldehyde at such a ratio that the molar ratio of the total of the bismethylbiphenyl compound and the aromatic aldehyde relative to the phenol is 0.10-0.60, and the aromatic aldehyde/the bismethylbiphenyl compound (molar ratio) is from 5/95 to 50/50. Also specifically disclosed is an epoxy resin composition composed of such a phenolic resin and an epoxy resin.

Abstract: The invention relates to a process for extruding plastic compositions, in particular polymer melts and mixtures of polymer melts, above all thermoplastics and elastomers, particularly preferably polycarbonate and polycarbonate blends, also with the incorporation of other substances such as for example solids, liquids, gases or other polymers or other polymer blends with improved optical characteristics, with the assistance of a multi-screw extruder with specific screw geometries.