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WO/2003/074588A1 |
A cyclic sulfur compound having a structure represented by the following formula (3): (3) wherein R1 represents hydrogen, a reactive terminal group, or a linear, branched, or cyclic C1-10 (thia)alkyl, aryl, or aralkyl group having a reac...
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WO/2003/072641A1 |
The invention relates to polymers obtained by S-alkylation of sulfinated polymers with alkylation agents, and AB-crosslinked polymers obtained by reacting polymers containing alkylation groups with low-molecular sulfinates, under S-alkyl...
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WO/2003/072522A1 |
A method for producing a modified sulfur containing material which comprises a step (A) of melting and mixing sulfur and cyclopentadiene at 135 to 155°C, a step (B) of cooling the resultant molten product having a viscosity of 0.05 to 1...
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WO/2003/060012A1 |
The invention relates to functionalized main chain polymers such as polyaryletherketones and polyethersulfones, and to their use in polymer electrolyte membrane fuel cells.
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WO/2003/060011A2 |
The invention relates to non-cross-linked, covalently and/or ionically cross-linked polymers comprising recurring units of general formula (1) -K-R-, wherein K represents a bond consisting of oxygen and sulfur or depicted by formulas (2)...
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WO/2003/055798A1 |
A method for reproducing lithium sulfide which comprises reacting sodium carbonate with a lithium halide product by-produced in the production of polyarylene sulfide through the reaction of lithium sulfide and a halogenated aromatic comp...
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WO/2003/054053A1 |
A thiophene compound represented by formula (I) in which A represents a C1-5-alkylene bridge; R represents a -R1-(C=O)-R2 group; -R1- represents a -R3- or -R4-X-R5- group; R2 is hydrogen, a hydroxy group, a thiol group, -NR6R7, -OR8 or a...
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WO/2003/051955A1 |
This invention relates to epoxidized acetals and thioacetals, episulfidized acetals and thioacetals, thermosetting resin compositions based on such epoxidized acetals and thioacetals, episulfidized acetals and thioacetals, reaction produ...
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WO/2003/048228A1 |
A method for preparing a composition containing between 0.08 and 3.0% by weight of polymer or copolymer of a 3,4-dialkoxythiophene in which the two alkoxy groups may be the same or different or together represent an optionally substitute...
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WO/2003/048231A1 |
A slurry resulting from polymerization and comprising polyarylene sulfide particles obtained by reacting an alkali sulfide source with a dihalogenated aromatic compound in a polar organic solvent, a by−product alkali metal salt, and th...
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WO/2003/048227A1 |
A process for preparing an aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer, containing structural units according to formula (I) in which R?1¿ and R?2¿ independently of one another represent hydr...
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WO/2003/033569A1 |
A curable composition which can be easily regulated so as to give a cured object having desired properties, can give a cured object hardly discoloring or softening a finishing agent or coating material to be applied to the surface thereo...
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WO/2003/033565A1 |
The invention concerns moulding materials containing: A) 39 to 99 wt. % of at least a polyarylene-ethersulphone consisting of bifunctional monomer units, B) 1 to 20 wt. % of at least a polyarylene-ethersulphone, comprising 0.1 to 10 wt. ...
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WO/2003/031498A1 |
The invention relates to a method for the sulphonation of aromatic polymers, in particular polyarylene sulphides and polyarylene ether ketones by reaction with a sulphonating agent and a halogenated hydrocarbon. The invention further rel...
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WO/2003/029328A1 |
A process for producing polyarylene sulfide by heating a dihalogenated aromatic compound and an alkali metal sulfide in an organic amide solvent to conduct polymerization, which permits a remarkable reduction in the cooling time of the p...
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WO/2003/022802A1 |
A compound having a thioacetal skeleton, precursor therefor, cured article, and composition for producing these are provided as thermally dissociable materials, based on the inventor's finding that a thioacetal group thermally dissociate...
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WO/2003/011915A1 |
The invention provides polymeric optical materials that can be cured in air and have low optical loss in both the C-band and the L-band of the telecommunications spectrum. The polymeric materials are made by the free radical polymerizati...
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WO2002000773A9 |
The invention relates to a covalently cross-linked polymer or polymer membrane consisting of one or more polymers, which can bear the following functional groups (M=Hal (F, Cl, Br, I), OR, NR2; R=alkyl, hydroxyalkyl, aryl; (Me=H, Li, Na,...
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WO/2003/002632A1 |
The polymerizable composition comprises: A) at least one episulfide monomer having at least one episulfide group and at least one or more functional groups capable of reacting with episulfide groups, and B) an effective amount of a polym...
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WO/2002/102864A1 |
Crosslinkable compositions are provided that readily crosslink $i(in situ) to provide biocompatible, nonimmunogenic crosslinked biomaterials. The compositions contain at least three biocompatible, nonimmunogenic components having reactiv...
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WO/2002/102806A1 |
An alicyclic compound which has a five or more−membered ring structure having an epithioethylene bonding and&sol or an epidithioethylene bonding on the ring structure and has two or more sulfur atoms in one molecule thereof. An optical...
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WO/2002/096974A2 |
An apparatus for purifying polyketones includes a pressure vessel (2) which communicates with a water supply line (6) for delivering pressurised water into the vessel (2). Downstream of the vessel (2) is a water drain (12) for removing w...
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WO/2002/088220A1 |
A process for polymerizing episulfide monomers comprising the steps of : (a) mixing to an episulfide monomer or a mixture of episulfide monomers an effective amount of at least one photopolymerization catalyst selected from the group con...
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WO/2002/083763A1 |
Cured resins useful as optical material can be produced by polymerizing an episulfide compound having in the molecule one or more epithio structures represented by the general formula (2): (2) (wherein R?5¿ to R?8¿, Y, p and q are each...
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WO/2002/081549A1 |
A method of treating by-product salts yielded in polyarylene sulfide production by the polycondensation of an alkali metal sulfide with a dihalogenated aromatic compound in an aprotic organic solvent, which comprises drying a solid compr...
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WO/2002/082569A1 |
A guide in exploring a practical-use-oriented, high-performance heterocyclic organic sulfur compound. A novel, higher-volume-density-based, higher-power-density-based energy storing device material provided from a heterocyclic organic su...
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WO/2002/081735A2 |
Novel methods allowing for the simple optical and electrochemical detection of double-stranded oligonucleotides are disclosed. The methods are rapid, selective and versatile. Advantageously, they do not require any chemical reaction on t...
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WO/2002/081550A1 |
A process for producing a polyarylene sulfide continuously from a sulfur source and a dihaloaromatic compound in an aprotic organic solvent, wherein a polymerization liquid mixture after the substantial completion of polymerization conta...
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WO/2002/081548A1 |
A process for producing a polyarylene sulfide from a sulfur source and a dihaloaromatic compound in an aprotic organic solvent, characterized in that the dihaloaromatic compound is added in two or more portions during the polymerization....
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WO/2002/072650A1 |
A process for continuously producing a polyarylene sulfide by reacting a sulfur source with a dihalogenated aromatic compound in an aprotic organic solvent, characterized in that it comprises at least one polymerization step wherein a po...
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WO/2002/072669A1 |
The invention relates to a plastic moulding material, based on polyarylene sulfide and/or liquid crystal plastic material. According to the invention, the moulding material contains carbon black and graphite and/or metallic powder, the c...
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WO/2002/072670A1 |
A poly(thio)ester (co)polymer which comprises a recurring structural unit represented by the formula (1-A): (1-A) wherein R¿11? represents a divalent aliphatic hydrocarbon group which may contain at least one sulfur atom of a sulfide gr...
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WO/2002/070430A1 |
A method for producing a material containing a modified sulfur, which comprises a step (A) of melting and reacting 100 parts by weight of sulfur and 2 to 20 parts by weight of a sulfur-modifying agent, and, a step (B1) of adding and mixi...
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WO/2002/062896A1 |
A proton-conductive polymer film made of a polymer comprising repeating structural units represented by the following general formula (1) in which the aromatic units have been partly substituted with proton-conductive substituents, the f...
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WO/2002/055185A2 |
The invention provides methods for the preparation of multiblock copolymers, dispersions of multiblock copolymers, vesicles and micelles containing multiblock copolymers, and oxidative degradation products of multiblock copolymers.
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WO/2002/051911A1 |
The room temperature polymerizable composition comprises at least one polymerizable monomer having at least one episulfide functionality and an effective amount of at least one (alkoxyphenyl)phosphine polymerization catalyst.
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WO/2002/051910A1 |
The high-density high-molecular linear polyphenylene sulfide polymers and the processes of preparing the polymers. The melting points of the polyphenylene sulfide polymers are between 280?o¿C and 298?o¿C, the melt flow rates 20-700g/31...
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WO/2002/038558A1 |
An episulfide compound useful as a material for optical materials, etc. is stored while being kept at a temperature of from the solidification point of the compound to 20°C. Thus, the episulfide compound can be inhibited from polymerizi...
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WO/2002/038651A1 |
A novel polyarylene sulfide resin and resin compositions containing the same, which little form flash in molding. The polyarylene sulfide resin comprises 0.5 to 10 wt% of constituent units of the general formula (1) and 80 to 99.5 wt% of...
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WO/2002/033448A1 |
A composition for optical material, which comprises (a) a compound having in the molecule one or more structures represented by the general formula (1), (b) a compound having one or more isocyanate and/or isothiocyanate groups in the mol...
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WO/2002/031026A2 |
An oligomer reaction product formed by reacting a polyfunctional thiol with a compound having two or more reactive double bonds is useful for preparing radiation curable compositions that when cured have a refractive index of at least 1....
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WO/2002/025764A1 |
Sulfonated polymers are made by the direct polymerization of a sulfonated monomer to form the sulfonated polymers. The types of sulfonated polymers may include polysulfones or polyimides. The sulfonated polymers can be formed into membra...
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WO/2002/024786A2 |
The room temperature polymerizable composition comprises at least one polymerizable monomer having at least one episulfide functionality and an effective amount of at least one (alkoxyphenyl)phosphine polymerization catalyst.
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WO/2002/023230A1 |
A composition for optical materials, characterized by comprising at least one compound represented by the following formula (1) [wherein R?1¿, R?2¿, and R?3¿ each independently represents a C¿1-10? hydrocarbon group or hydrogen; X?1Â...
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WO/2002/020534A1 |
The present invention discloses novel hydrocarbon core polysulfide silanes and methods of preparing the hydrocarbon core polysulfide silanes. Preferably, the silanes of the present invention contain assemblies of a single unit of a hydro...
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WO/2002/016456A2 |
A polymer composition comprising chains of at least one aromatic polymer or a mixture thereof together with at least one chain linking component wherein the at least one aromatic polymer comprises polymer chains of number average molecul...
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WO/2002/016627A2 |
A class of biopolymer including sulfur in the form of a thioester in the polymer backbone or a thioether in the polymer side chains has been developed. These are preferably produced by fermentation of bacteria with appropriate sulfur con...
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WO/2002/012212A1 |
The invention relates to novel 4,5-di(het)aryl-substituted 2-(N,N-di(het)arylamino)-thiazole derivatives of general structure (a), whereby the following applies: R?1¿, R?2¿, R?3¿ and R?4¿, independent of one another, are each a monof...
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WO/2002/008338A1 |
A resin composition comprising a thermosetting resin, a thermoplastic resin, and a filler, the product of curing of which composition has a fine phase-separation structure and contains the filler in a state distributed unevenly, i.e., in...
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WO/2002/002711A2 |
Sealant and potting formulations are provided which includes ungelled polymer(s) prepared from components including polyvinyl ether monomer(s) and polythiol materials(s), the ungelled polymer being terminated with functional groups other...
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