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WO/2011/144015A1 |
A polymercapto compound and synthesis method thereof are disclosed. The main chain of the polymercapto compound is linear or branched structure and comprises thioether bond. Each molecule at least comprises two mercapto groups; the mass ...
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WO/2011/145424A1 |
Disclosed is a vertical countercurrent solid-liquid contact method, which comprises supplying an aqueous slurry containing solid particles from an upper position and allowing the aqueous slurry to flow downward through multiple contact c...
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WO/2011/145428A1 |
Disclosed is a process for the production of polyarylene sulfides which comprises: a polymerization step of polymerizing a dihalogenated aromatic compound and at least one sulfur source selected from the group consisting of alkali metal ...
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WO/2011/142557A2 |
The present invention relates to a polyarylene sulfide in which a ratio of a peak area of a polymer chain of a second polyarylene sulfide, having a molecular weight equal to or lower than the maximum peak molecular weight, to a peak area...
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WO/2011/141744A1 |
A process for ink jet printing an image on a substrate comprising applying to the substrate a composition comprising a liquid medium, a pigment and a polymer comprising a chain of the Formula (1) or a salt thereof: Formula (1) wherein: e...
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WO/2011/129967A2 |
The description includes materials that may be useful for fuel cell applications such as in the manufacture of fuel cell electrodes, proton exchange membranes (PEM), as catalyst additives or in tie layers designed to be thermally and che...
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WO/2011/129501A1 |
The present invention relates to a method for preparing a poly(ether sulfonimide or -amide)copolymer using cyclic oligomers, and more particularly, to a method for preparing a poly(ether sulfonimide or -amide)copolymer by preparing cycli...
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WO/2011/125480A1 |
Specifically disclosed is a branched polyarylene sulfide resin having a melt viscosity of 65 - 450 Pa∙s measured at a temperature of 310°C and a shear rate of 1200 sec-1, maximum drift ratio of 6500 or greater and degree of whiteness ...
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WO/2011/119651A2 |
This invention relates to methods for decreasing the complex viscosity of a polyarylene sulfide polymer melt while maintaining the molecular weight of the polyarylene sulfide with time. This invention also relates to polymer melt composi...
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WO/2011/119522A2 |
Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin(l l) carboxylate selected from the group consisting of Sn(O2CR)2, Sn(O2CR)(O2CR'), Sn(O2CR)(O2CR"), and mixtures the...
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WO/2011/119543A2 |
Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin(II) carboxylate selected from the group consisting of Sn(O2CR)2, Sn (O2CR)(O2CR'), Sn(O2CR)(O2CR'') and mixtures the...
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WO/2011/111940A2 |
The present invention relates to a reusable polyarylene sulfide which exhibits and maintains superior mechanical properties, and the melt viscosity of which is not reduced when the polyarylene sulfide is molten, thus hardly causing degra...
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WO/2011/111983A2 |
The present invention relates to a polyarylene sulfide which shows excellent processability at a low temperature, reduces the amount of outgassing and flash or burr generation, and thus can satisfactorily mold a product requiring a high ...
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WO/2011/111982A2 |
The present invention relates to a polyarylene sulfide capable of showing and maintaining excellent properties, and a preparation method thereof, wherein the polyarylene sulfide shows the shape of a pellet having a size of 2-10 mm just a...
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WO/2011/108420A1 |
Disclosed are a column type solid-liquid countercurrent contact apparatus, a solid particle cleaning apparatus for polyarylene sulfide (PAS) particles, etc., and a PAS production apparatus which have a column top portion, a column body p...
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WO/2011/105320A1 |
Provided is a polythiol-containing composition for optical materials which makes it possible to predict and asses, in a stage prior to polymerization/curing, whether clouding will occur or not after polymerization/curing. Specifically pr...
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WO/2011/105014A1 |
Disclosed is a curable resin composition which is suitable for use as a raw material for optical materials such as adhesives for optical elements, coating materials for optical elements, resist material, prisms, optical fibers, substrate...
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WO/2011/105319A1 |
Disclosed is an efficient method of obtaining an episulphide compound from an epoxy compound with no need for odour and corrosion protection or a neutralisation process. According to this manufacturing method for an episulphide compound,...
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WO/2011/102286A1 |
Disclosed is a curable composition which produces a cured resin resistant to yellowing even under high temperature conditions such as reflow method soldering. The curable composition comprises a cationic polymer compound and at least one...
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WO/2011/099213A1 |
Provided is an anion-exchange resin which is useful especially as the polymer electrolyte membrane of an alkaline fuel cell or as a binder for catalyst layer formation for the cell. The anion-exchange resin has high ionic conductivity an...
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WO/2011/096370A1 |
Disclosed is a curable fluorinated resin composition that exhibits superior heat stability and thermal adhesion characteristics. Specifically disclosed is a curable fluorinated resin composition comprising a thiol compound (S) and a fluo...
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WO/2011/093685A2 |
The present invention relates to a method for preparing polyarylene sulfide having superior thermal stability and lower content of iodine, and more particularly, to a method for preparing polyarylene sulfide, comprising a step of polymer...
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WO/2011/090428A1 |
This invention concerns the first environmentally benign heterogeneous modification of polysaccharide-based material in native solid state by thiol-ene "click chemistry". The direct reaction of a thiol with an un-activated double or trip...
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WO/2011/090705A2 |
Provided are sulfone-containing polyarylene polymers. Also provided are monomers and processes for preparing the polymers. The polyarylene polymers are suitable for use as engineering polymers.
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WO/2011/084583A1 |
A toughening agent for use in making composites comprises an epoxy curing agent and a thermoplastic. Compositions, composites that comprise the toughening agent and associated methods of making and using the toughening agent are also dis...
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WO/2011/003076A9 |
Embodiments of the invention are directed to alternating donor-acceptor (DA) polymers that are soluble and display a blue or green neutral state that oxidizes to a transmissive state for use as an electrochromic polymer. The D units have...
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WO/2011/082158A1 |
Described herein is the preparation of polyarylene ionomeric copolymers containing polysulfone, sulfonic acid, and sulfonimide repeat units, and such polyarylene ionomeric copolymers that are useful as membranes in electrochemical cells.
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WO/2011/082167A1 |
Described herein is the preparation of polyarylene ionomers copolymers, both polysulfones and sulfonimide containing, useful as membranes in electrochemical cells.
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WO/2011/075942A1 |
A method for preparing poly(diphenyl ether sulfone) and poly(diphenyl ether diphenyl sulfone) ternary polymer comprises: adding high temperature organic solvent, stirring and heating; sequentially adding 4,4'-dihydroxydiphenyl, 4,4'-dich...
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WO/2011/065849A1 |
The method of production of granulated polymer-asphalt binder and sulphur concrete with the participation of sulfur polymer obtained through solvent-borne modification of waste sulfur at the temperature of 135-150°C consists in composin...
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WO/2011/065916A1 |
In a process for forming a hydrogel, a precursor crosslinkable through disulfide bonds for forming the hydrogel is provided in a solution. The precursor comprises a branched molecular structure, which comprises a plurality of branches. A...
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WO/2011/060293A1 |
Polymers and copolymers are formed from vinylether monomers having fatty acid ester pendent groups derived from plant oils, such as soybean oil.
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WO/2011/050572A1 |
A method for preparing terpolymer of poly(biphenyl sulphone ether) and poly(ether sulphone) comprises adding high-temperature organic solvent into a flask, stirring and heating to 80℃, adding 4,4'-dichlorodiphenylsulphone, 4,4'-bis(4-c...
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WO/2011/049142A1 |
Disclosed are: a curable composition which enables the production of a cured film having high toughness, low film stress and a low dielectric constant and does not undergo the occurrence of cracking during the process of producing the cu...
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WO/2011/040760A2 |
Provided is a high polymer desalination membrane which comprises a sulfonated poly(arylene ether) copolymer having a cross-linked structure in a chain. The high polymer desalination membrane according to the present invention has high sa...
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WO/2011/040229A1 |
Provided is an aromatic polysulfone resin which has high toughness and is suitable for use as the material of membranes such as porous membranes. The aromatic polysulfone resin has a reduced viscosity of 0.55 to 0.65dL/g, preferably 0.58...
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WO/2011/033872A1 |
Provided are: compounds which exhibit excellent curability and transparency and are useful particularly for optical use; and curable resin compositions using the compounds. Specifically provided are episulfide compounds represented by ge...
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WO/2011/024879A1 |
A method for producing a polyarylene sulfide by reacting, in an organic polar solvent, a sulfidizing agent with a dihalogenated aromatic compound in the presence of an alkali metal hydroxide, which comprises: for conducting the reaction ...
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WO/2011/020823A1 |
The present invention relates to a method for producing low-halogen polybiphenylsulfone polymers, the polybiphenylsulfone polymers that can be obtained in this way, polybiphenylsulfone polymers having a content of polymer-bound halogen o...
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WO/2011/021363A1 |
Disclosed is a photocurable composition which exhibits excellent adhesiveness not only to thermoplastic resins including PET and polyimide but also to adherends of metal oxides (such as IZO) or metals (such as gold), more particularly, a...
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WO/2011/020287A1 |
A sulfur-containing macromolecule and a method of preparing the sulfur-containing macromolecule comprising a polymerization step are provided, where the sulfur-containing macromolecule contains internal units of formula (I) and the polym...
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WO/2011/016444A1 |
Disclosed is a proton exchange membrane for use in fuel cells and which not only has improved proton conductivity and resistance to swelling caused by hot water but also has greater durability when used in a fuel cell. Also disclosed are...
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WO/2011/017341A2 |
Ladder-type oligo-p-phenylene containing donor-acceptor copolymers are disclosed. The ladder-type oligo-p-phenylene can be used as an electron donor unit in the disclosed copolymers to provide a deeper highest occupied molecular orbital ...
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WO/2011/013686A1 |
Provided is a production process which eliminates the drawback that the conversion of a cyclic polyarylene sulfide into a polyarylene sulfide requires a high temperature and a long time period and by which a polyarylene sulfide can be ob...
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WO/2011/011545A1 |
In one embodiment of the present disclosure, a series of conjugated polymers used, among other things, as polymer solar cell or polymer photovoltaic device active layer materials, is provided. In one embodiment, the conjugated polymers h...
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WO/2011/003593A1 |
A process for the preparation of a composition comprising hyperbranched polymeric compounds, which comprises a step of reacting a mixture comprising one or more compounds of the following formula (I): AR(B)n wherein A and B are functiona...
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WO/2011/000521A1 |
The invention relates to novel polyelectrolyte complexes of a functionalised polysulphone and a conductive polymer and to the use thereof.
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WO/2010/148424A1 |
An optical lens element resin composition including: dicyclohexylmethane diisocyanate; a polythiol compound having 3 or 4 thiol groups; and a thermal catalyst.
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WO/2010/142585A1 |
The present invention relates to a method for producing poly(arylene ether) block copolymers, comprising, in a first step, the reaction of at least one aromatic dihydroxy compound comprising 4,4'-dihydroxybiphenyl in molar excess and at ...
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WO/2010/142548A1 |
The present invention relates to polyarylene ether block copolymers of the common formula A-K-X-K-A, where –X- is a polyarylene ether segment having a number-average molecular weight of at least 5,000 g/mol, and A- is a segment of the ...
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