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WO/2002/002710A2 |
Sealant and potting formulations are provided which are prepared from components including ungelled mercapto-terminated polymer(s) prepared by reacting reactants comprising polyvinyl ether monomer(s) and polythiol material(s); curing age...
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WO/2001/091873A2 |
Sulfonamide polymer matrices and their various uses are disclosed. Among the uses is the configuration of the matrix with a porous support membrane to form a semipermeable membrane of the invention. The matrix of the invention is ultrath...
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WO/2001/090223A1 |
The invention provides secondary sulfonamide polymers, wherein some, most, or all the sulfonamido protons have been replaced with a substituent other than hydrogen. The invention also provides methods for preparing such polymers as well ...
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WO/2001/089654A2 |
Semi-permeable membranes are described that allow for the efficent processing of many liquid based feed solutions, particularly those that contain acids. The membranes of this invention are able to process such feeds with high permeate r...
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WO/2001/090222A1 |
The use of benzoate softening agents in polysulphide polymer or polymercaptan polymer-based two-component insulating glass adhesives/sealants simplifies production due to their lower viscosity. The miscibility and cure speed of the two c...
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WO/2001/083091A2 |
Porous matrices and membrane matrices comprising sulfonated aryl sulfonate polymers are prepared from a sulfonated aryl sulfonate polymer solution which is made by dissolving an aryl sulfonate polymer, and optionally a polymer other than...
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WO/2001/077098A1 |
An episulfide compound having per molecule one or more epithio structures represented by the formula (1) (wherein R?1¿ represents a C¿1-10? hydrocarbon group; R?2¿, R?3¿, and R?4¿ each independently represents a C¿1-10? hydrocarbon...
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WO/2001/077717A1 |
A plastic spectacle lens with a high refractive index which is made of a sulfurized episulfide resin and which is prevented from assuming a red color and yellowing. The process for molding a lens made of a sulfurized episulfide resin and...
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WO/2001/074798A1 |
A composition useful as underfill sealant for the connection of a semiconductor device to a circuit board is reworkable for more easy separation from the semiconductor device and comprises a curable resin having at least one oxirane or t...
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WO/2001/073482A1 |
In order to impart high heat resistance and dyeability to a high-refractive-index plastic lens obtained by curing a compound having an episulfide group, a lens is obtained by polymerizing and curing a composition which consists mainly of...
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WO/2001/070853A2 |
Describes polymerizing with actinic radiation a cationically polymerizable organic composition comprising (a) at least one polyfunctional thiirane having at least two groups represented by the following general formula (I), wherein X is ...
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WO/2001/070852A1 |
A process for the purification of polyarylene sulfide which comprises washing polyarylene sulfide with either a mixture of an aprotic organic solvent with a haloalkyl compound or a mixture prepared by adding a halogenated aromatic compou...
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WO/2001/066620A2 |
Improved carbonate method for producing poly(biphenyl ether sulfones) having a low color, the improvement being the use of small particle size anhydrous potassium carbonate. The resulting poly(biphenyl ether sulfones) are significantly i...
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WO/2001/066621A1 |
A polythioether is provided of the formula (1) wherein R?1¿ is H, C¿1-6? alkyl, C¿1-6? alkyl alcohol, C¿1-6? alkyl substituted with at least one of: -(CH¿2?)¿2?-O-Y-O-CHCH¿2? or formula (2), -NHR?5¿ wherein r?5¿ is a C¿1-6? alk...
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WO/2001/066623A1 |
A curable sealant compound comprising: a polythiol; a cyclopolyene having formula (I) or (II) where X is C¿1-5? aliphatic, Y is a C¿1-6? aliphatic, R?2¿ is in each occurrence H, C¿1?-C¿10? alkyl, C¿2?-C¿10? alkenyl; Q-R?3¿ where ...
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WO/2001/066622A1 |
A polythioether comprising formula (1) wherein R?1¿ is a C¿1-10? alkyl, -(R?3¿Q)¿p?R?3¿- or C¿6?-C¿20? aryl where Q is O or S, each R?3¿ is independently C¿1-6? alkyl, and p is an integer between 0 and 6; R?2¿ is C¿1-6? alkylo...
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WO/2001/064773A1 |
The invention relates to a novel and inexpensive method for nitrating and aminating an aryl polymer and to the use thereof as a blend component for producing a blend polymer membrane. Such blend polymer membranes are used in membrane met...
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WO/2001/060891A1 |
The invention relates to polylalkylene polysulphides, containing chains of general formula (I), where R and R' independently = H, 1 to 4 C alkyl, or COR'; R' = H, or 1 to 4 C alkyl; x = on average, 2 to 20; and n $m(g)10. The invention f...
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WO/2001/060792A1 |
A S,S'-bis-($g(a),$g(a)'-disubstituted-$g(a)'-acetic acid)-trithiocarbonates and derivatives thereof can be used as an initiator, chain transfer agent, or terminator for polymerization of monomers such as free radical polymerizable monom...
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WO/2001/058805A1 |
A poly(carbon sulfide) which comprises carbon and sulfur as constituent elements, most of the sulfur forming a disulfide bond, has a sulfur content of at least 67 wt % and a sum of sulfur and carbon contents of at least 95 %, and has a s...
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WO/2001/057113A2 |
A process for polymerizing / curing a photopolymerizable monomer composition comprising at least one diepisulfide monomer which comprises the steps of :a) mixing to the monomer composition an effective amount of a cationic photopolymeriz...
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WO/2001/053286A1 |
The invention relates to novel 2-(N,N-di(het)arylamino)-thiophene derivatives of formula (I), wherein R?1¿, R?2¿, R?3¿, R?4¿ and R?5¿ are, independently each of other, each a monofunctional (het)aryl system and wherein R?1¿ can als...
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WO/2001/049706A2 |
A process is provided for producing a poly(arlene sulfide) polymer in which polymerization reactants comprising an aqueous alkali metal hydroxide and a polar organic compound are pre-reacted at a fist temperature to form a mixture, then ...
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WO/2001/049777A1 |
A process is provided for curing poly(arylene sulfide) polymers by achieving and maintaining curing conditions in a cure vessel, then intermittently adding uncured polymer to said cure vessel and intermittently removing polymer from the ...
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WO/2001/046294A1 |
Coating composition and its use in a one-pot system. The coating composition comprises: an oxidatively drying polyunsaturated condensation product, such as an alkyd, having pendant groups in an amount of more than 20 % by weight of the c...
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WO/2001/044377A1 |
A radiation curable coating composition based on thiol-ene chemistry is disclosed. The coating composition comprises at least one novel thiol having a mercapto functionality of at least two and at least one compound having an alkenyl fun...
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WO/2001/042382A2 |
The invention relates to a material for producing coatings and adhesives based on polymers comprising thioether structural units and a method for producing said compounds. According to the invention, structural variation of said original...
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WO/2001/042336A1 |
The invention relates to a method for sulfonating aromatic polymers in a gentle manner. The inventive method comprises the following steps: a) dissolving the aromatic polymer in a substantially water-free acid selected from the group con...
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WO/2001/042337A1 |
Copolymers of polycarbonates or polyarylates with polyether polymers such as polyethersulfones, polyetherketones, and polyetherimides are prepared by reaction of the polyether polymer-forming reagents, e.g., bisphenol A disodium salt and...
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WO/2001/040175A1 |
A process for producing a sulfur compound bearing at least one thio group in the molecule by reacting a thiol compound with an organic compound bearing at least one functional group capable of reacting with a mercapto group to thereby fo...
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WO/2001/038422A1 |
Polyethersulfones derived from dihydroxybiphenyl or dehydroxybenzenes, especially 4,4'-dehydroxybiphenyl, are isolated by crystallization form a solvent, preferably a water-immiscible aromatic solvent. Crystallization may be achieved by ...
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WO/2001/039286A1 |
A distributed Bragg reflector comprising a stack of alternate layers of a first material and a second material wherein the first and second materials are both organic materials. An organic electroluminescent light emitting element compri...
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WO/2001/036506A1 |
The present invention is directed to a novel polymerizable organic composition comprising one or more radically polymerizable monomers with at least one radically polymerizable monomer having at least two (meth)acryloyl groups that have ...
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WO/2001/034676A1 |
A resin composition which contains an aromatic episulfide and is excellent in moldability, heat resistance, and optical properties. The composition comprises as essential components (A) an aromatic episulfide compound having two or more ...
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WO/2001/025196A2 |
Bis(halophthalimides) such as, 3-bis[N-(4-chlorophthalimido)]benzene are prepared in slurry in an organic liquid such as o-dichlorobenzene or anisole, by a reaction at a temperature of at least 150 °C between at least one diamino compou...
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WO/2001/023012A1 |
A composition comprising a superabsorbent polymer and a hydroxy-functionalized polyether.
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WO/2001/021686A1 |
Aromatic polyethers are prepared by displacement polymerization reaction in the presence of a water-immiscible solvent with boiling point at atmospheric pressure of greater than 110 °C and a density ratio to water of greater than 1.1 : ...
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WO/2001/021685A1 |
Aromatic polyethers are prepared by displacement polymerization reaction in the presence of a water-immiscible solvent with density ratio to water of about 0.9-1.1 : 1 at 20-25 °C. The polyethers are purified by processes comprising aqu...
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WO/2001/019724A2 |
The present invention relates to a novel aromatic polysulfide and an asphalt composition containing the same, and more particularly, to a novel aromatic polysulphide having repeating units of formula (I), an asphalt composition, an aspha...
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WO/2001/019898A1 |
A process is provided to recover at least one modifier compound and at least one polar organic compound from a reaction mixture comprising high molecular weight Poly(arylene sulfide) product, low molecular weight P(AS), cyclic and linear...
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WO/2001/019876A1 |
A process is provided to recover at least one modifier compound and at least one polar organic compound from a poly(arylene sulfide) reaction mixture comprising high molecular weight poly(arylene sulfide), low molecular weight poly(aryle...
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WO/2001/019908A2 |
A process is provided to recover at least one modifier compound and at least one polar organic compound from a P(AS) recycle mixture.
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WO2000079582A9 |
A reworkable underfilling sealing mateiral (33) for the attachment of a semiconductor device (32) to a carrier substrate (31) is prepared from a composition comprising a curable resin (a) which is a resin with a (thio)ether or carbonate ...
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WO/2001/016210A1 |
The present invention relates generally to synthetic polymer compositions that form interpenetrating polymer networks. In a preferred embodiment, the compositions comprise two multifunctionally activated synthetic polymers, along with a ...
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WO/2001/016098A1 |
Novel thioglycerol derivatives, processes for their manufacture, and optical materials made from such compounds. The thioglycerol derivatives have high concentrations of sulfur relative to compounds conventionally used for optical materi...
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WO/2001/001510A1 |
An electrolyte is provided having a backbone that includes a plurality of aromatic constituents coupled together by at least one atom having a $g(p)-cloud, and in which a halogen atom and an ion exchange group are covalently bound direct...
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WO/2001/001506A1 |
High temperature polybenzazole and polyether polymer electrolytes are provided. High temperature polybenzazole polymer electrolytes may comprise a benzobisoxazole, a benzobisthiazole, a benzobisimidazole, a difluorodisulfonated phenyl ri...
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WO/2000/077068A1 |
The invention concerns a method for polymerising 3,4-substituted 2-activated thiopenes of formula (I) wherein s is 1, 2, 3 or 4 and R and R' represent independently of each other a hydrogen or a group of formula: A-(CH¿2?)¿p?-B-(CH¿2?...
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WO/2000/077077A1 |
The invention relates to a method for the production of polysulphon with an aliphatic main chain, wherein a) sulphur dioxide and b) a vinyl aromatic compound and c) an unsaturated compound are reacted by means of d) radical polymerizatio...
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WO/2000/068159A1 |
A process for the removal of poly(arylene sulfide) based deposits from an article by contacting said poly(arylene sulfide) based deposits with a polar aprotic compound, a base, an organosulfur compound having the formula: R¿1?-S-S-R¿2?...
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