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WO/1990/000575A1 |
A copoly(arylene sulfide) corresponding to the structure (I), wherein A is a divalent substituted or unsubstituted aromatic radical, T is a monovalent aromatic radical, x is in the range of 0.5 to 0.001 and n is at least 100.
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WO/1990/000573A1 |
A polymer or copolymer comprising (A) at least 5 mol % of aromatic ether sulphone backbone units of formula (I) -aryl-aryl-O-Ar-SO2-Ar-O-aryl-aryl-, wherein -O- is ether oxygen, each Ar independently is an arylene moiety or represents a ...
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WO/1989/012072A1 |
This invention relates in general to the formation of thick films having a biaxial molecular orientation. Such films are prepared in accordance with the present invention from rod-like extended chain aromatic-heterocyclic ordered polymer...
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WO/1989/011499A1 |
A solid-state polymerization process for increasing the molecular weight of a polymer comprising heating within a heating zone at a temperature in of at least 200°C a crystalline polymer corresponding to the structure [(-A-S-)1-x(-A-S-S...
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WO/1989/011498A1 |
A process for producing a copoly(arylene sulfide) corresponding to the structure [(-A-S-)1-x(-A-S-S-)x]n, wherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.0001 and n is at least 200, co...
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WO/1989/008674A1 |
A process for preparing a copoly(arylene sulfide) corresponding to the structure [(-A-S-)1-x(-A-S-S-)x]n, wherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the absence of...
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WO/1989/008677A1 |
A polyphenylene sulfide film formed from a resin composition mainly composed of polyphenylene sulfide, characterized in that fine particles of 0.05 to 3 mum in the mean particle size are dispersed in the film and a single particle index ...
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WO/1989/007617A1 |
High-performance polymers having a rigid-rod backbone comprising a chain length of at least 25 monomer units joined together by covalent bonds wherein at least about 95 % of the bonds are substantially parallel; and solubilizing organic ...
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WO/1989/006666A1 |
Compounds useful as adhesion promoters for thermally cured thiolene adhesives include (a) acrylic or norbornene acid phosphate esters such as (I) and (II); b) maleic, acrylic, methacrylic, norbornene dicarboxylic, and fumaric acids and h...
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WO/1989/005324A2 |
A process for preparing a copoly(arylene sulfide) corresponding to the structure: [(-A-S-)1-x(-A-S-S-)x]n, wherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the presence ...
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WO/1989/004338A1 |
A process for preparing a copoly(arylene sulfide) corresponding to the structure [(-A-S-)1-x(-A-S-S-)x]n, wherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the presence o...
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WO/1989/003850A1 |
A copoly(arylene sulfide) corresponding to the structure [(-A-S-)1-x(-A-S-S-)x]n, wherein x is in the range of 0.5 to 0.001 and a process for its preparation by reacting a mixture of a diiodoaromatic compound and elemental sulfur.
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WO/1989/002155A1 |
An intrinsically conductive polymer is in the form of a dispersible solid of primary particles with a specific surface area according to BET of > 15m2/g and with an average diameter of less than 500 nm, in which preferably not more than ...
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WO/1988/010279A1 |
A sulfur-containing polyarylene resin and a process for its production are disclosed. The crosslinked polyarylene resin is a polyarylene resin containing sulfur atoms in the main chain, which has a degree of crosslinking of the aryl grou...
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WO/1988/009881A1 |
A plastic retainer made of straight-chain polyphenylene sulfide resin.
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WO/1988/006605A1 |
Macrocyclic oligomers, including polycarbonates, polyesters, polyamides, polyimides, polyetherketones and polyethersulfones, are conveniently prepared from various spiro(bis)indane compounds, especially the 6,6'-difunctional 3,3',3'-tetr...
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WO/1988/005433A1 |
Cross-linking reagents which are highly specific for sulphydryl groups and react with thiols at an excellent rate. The essential feature of the reagents is at least one vinyl group conjugated with an aromatic nitrogen heterocycle. Partic...
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WO/1988/005061A1 |
It has a high molecular weight and an excellent moldability, and is suited as a material for moldings such as various films, fibers, etc. It comprises 90 to 99.99 wt % of structural units (I) represented by the formula (1) and 10 to 0.01...
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WO/1988/002902A2 |
A curable thiol-ene formulation comprising: a) a polythiol, b) a 'ene compound having a plurality of groups of formula (I), where Q is CH2, CHCH3, C(CH3)2, O, S, NR1 or SO2, R1 is H or alkyl, and m is 0-10, and c) an effective amount of ...
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WO/1988/002879A1 |
A visible light polymerisable composition comprises 1) free radically polymerisable material such as one or more monomers and/or prepolymers containing acrylate or methacrylate groups or a copolymerisable monomer combination based on a p...
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WO/1987/005915A1 |
A process for removing impurities from polyphenylene sulfide resin, which comprises mixing and heating powdery polyphenylene sulfide resin and a solvent selected from among (I) to (IV) and, after well bringing them into contact with each...
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WO/1987/002681A1 |
A curable composition comprising a compound having at least an unsaturated cycloacetal group represented by formula (I) (unsaturated dioxane type) or formula (II) (unsaturated dioxolane type), a compound having at least two SH groups per...
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WO/1987/002789A1 |
Poly(alkenyltrialkylsilane sulfone)s have been found to be electron beam sensitive and suitable for use as positive resists in a two layer resist system. The described resists are prepared by the polymerization of an omega-alkenyltrimeth...
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WO/1987/000844A1 |
Novel liquid crystalline extended chain polymer compositions comprising a high concentration of one or more extended chain homopolymers, copolymers or block polymers and certain strong acids are prepared by admixing a high concentration ...
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WO/1986/007369A1 |
A method for producing mercaptan terminated liquid polymers with increased chemical reactivity and reduced odor which involves heating the polymeric liquid material under conditions which avoid oxidation and depolymerization of the mater...
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WO/1986/007071A1 |
A resin composition comprising a free thiol group-containing novel polybutadiene derivative can be cured by applying heat or radiation (particularly UV rays) to produce a cured product having excellent chemical, physical, and mechanical ...
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WO/1986/004905A1 |
Novel polyaryl ether sulphone polymers which contain a unit derived from 4,4 bis(p-halobenzene sulfonyl)biphenyl. These polymers are tough and can be molded into a variety of articles.
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WO/1986/004906A1 |
Novel polyaryl ether sulphone polymers which contain a unit derived from 4,4 bis(p-halobenzene sulfonyl)biphenyl. These polymers are tough and can be molded into a variety of articles.
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WO/1986/002348A1 |
A method for the preparation of monomers, especially aromatic ester monomers, which comprises reacting a stannylated compound generally of formula (I) or formula (II), where A1 is usually an aromatic group and A3 is usually an aromatic g...
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WO/1986/002368A1 |
Novel aromatic poly(ether ketones) having imide, amide, ester, azo, quinoxaline, benzimidazole, benzoxazole, or benzothiazole groups, comprising, for example, a repeat unit (I) are prepared by Friedel Crafts polymerization.
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WO/1985/005369A1 |
Cyclic polycarbonate (or thiol analog) oligomer mixtures are prepared by the reaction of bishaloformates or their thio analogs or mixtures thereof with dihydroxy or dimercapto compounds, with alkali metal hydroxides and various amines. T...
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WO/1985/004177A1 |
Di(vinylaryl)alkyl polysulfides and curable, low odor (vinylaryl)alkyl-terminated polysulfide copolymers having the general formula (I), wherein n is an integer from about 2 to about 8, l and m are positive integers, each R is independen...
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WO/1985/004178A1 |
Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared under conditions to exercise control of molecular weight as character...
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WO/1984/004101A1 |
Poly (aryl ether)s which contain at least 20% by weight of bis-(3,5-dimethyl-4-oxyphenyl) sulfone structural units exhibit improved glass transition temperatures, improved flame resistance, improved gas permeability and improved alloying...
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WO/1984/004103A1 |
A moldable and compatible blend of 5 to 95 weight percent of an aromatic polyformal comprising from about 20 weight percent to 100 weight percent of repeating units (I), and from 0 weight percent to about 80 weight percent of repeating u...
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WO/1984/002705A1 |
The star polymers of this invention have at least one core branch eminating from a core, each core branch having at least one terminal group provided that (1) the ratio of terminal groups to the core branches is greater than 1:1, (2) the...
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WO/1984/002524A1 |
New compounds AD2,2,2-trifluoro-1-(trifluoromethyl) BDethylidenebisbenzenethiols of the formula (I). These compounds are useful as precursors in the manufacture of polysulfide polymers and copolymers.
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WO/1984/001160A1 |
Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared. Such compositions are optically anisotropic (liquid crystalline), ca...
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WO/1984/001162A1 |
Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared. Such compositions are optically anisotropic (liquid crystalline), ca...
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WO/1984/001161A1 |
Novel compositions comprising a high concentration of poly(2,6-benzothiazole) and certain polyphosphoric acids are prepared. Such compositions are optically anisotropic (liquid crystalline), capable of exhibiting excellent cohesive stren...
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WO/1982/001880A1 |
A non-crystallizing, water, solvent, fuel and temperature resistant liquid polythioether having two to four terminating radicals which do not substantially reduce the water, solvent, fuel and temperature resistance and a water, solvent, ...
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WO/1982/001879A1 |
A non-crystallizing water, solvent, fuel and temperature resistant linear, liquid polythioether containing no carbonyl groups and having the formula: (FORMULA) wherein each of R1, R2, R3 and R4 is hydrogen or lower alkyl with the provisi...
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WO/1981/002740A1 |
Sulfurvulcanizable elastomers derived from thiodiethanol and, in particular to the provision of a novel vulcanization system therefor comprising sulfur and an aliphatic linear, branched chain or cyclic polyethyleneamine or a dissociable ...
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WO/1981/002546A1 |
Low viscosity hydroxylated liquid polymer having polymerized therein a mercaptan compound containing hydroxyl and/or carboxyl group (s) in an amount sufficient to reduce viscosity and provide low peel property on the order of 10 to 25 ou...
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WO/1981/001705A1 |
Process for preparing a mixture of hydroxyl-containing di- and trisulfides, from either 2-mercaptoethanol or 3-mercaptopropanol, directly in two steps, without the formation of deleterious by products. Precise control of process conditio...
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WO/1981/001559A1 |
Mixing mercaptoorganopolysiloxanes with a selected transition metal compound, an organic peroxide and optionally a filler, provides useful new compositions such as materials curable to elastomers at room temperature.
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WO/1981/001564A1 |
Compositions which are stable in the absence of oxygen are formed by mixing the following substantially in the absence of oxygen: (A) 100 parts by weight of at least one mercapto-functional organosilicon-organic copolymer or mixtures of ...
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WO/1981/001572A1 |
Oxygen curable compositions are provided by mixing mercoaptoorganopolysiloxanes with a metal salt of a carboxylic acid wherein the metal is iron, copper, cobalt, manganese, or nickel.
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WO/1981/001558A1 |
Compositions which are stable in the absence of oxygen are formed by mixing the following substantially in the absence of oxygen: (A) 100 parts by weight of at least one mercapto-functional organic compound which contains at least two me...
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WO/1981/001569A1 |
Mixing mercaptoorganopolysiloxanes with a stannic salt of a carboxylic acid and, optionally, a filler provides useful new compositions including gums, organotin-containing polymers and materials curable to elastomers at room temperature.
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