|
Match
|
Document |
Document Title |
|
|
8063111 |
Anion-conducting polymer, composition, and membrane
Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues....
|
|
|
8022165 |
Catalytic process for the phosphonylation of high-temperature polymers
Process for preparing polymeric aromatic phosphonates and also polymeric aromatic phosphonates which can be prepared by the process of the invention and blends comprising these polymeric aromatic...
|
|
|
8003749 |
Fluorine-containing dicarboxylic acids and their novel polymer compounds
Disclosed is a fluorine-containing dicarboxylic acid represented by formula (1), wherein n represents an integer of 1-4, and the two carboxylic groups are not adjacent to each other on the aromatic...
|
|
|
7846980 |
Anion-conducting polymer, composition, and membrane
Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues....
|
|
|
7582683 |
Anion-conducting polymer, composition, and membrane
Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues....
|
|
|
7511113 |
Oligomeric hydroxy arylether phthalonitiles and synthesis thereof
An aromatic ether oligomer or polyaromatic ether comprising the formula: O—Arn; wherein Ar is an independently selected divalent aromatic radical; formed by reacting a dihydroxyaromatic with a d...
|
|
|
7442757 |
Resin, resin composition, method for manufacturing the same, and molded material including the same
A thermoplastic resin contains a polymer, and the polymer includes a divalent phosphate residue having a spiro ring, represented by formula (1), in a molecule and has a number average molecular...
|
|
|
7268193 |
Branched polyphenylene polymers
Branched polyarylene polymers are provided comprising monovalent endcappers, divalent linear units, and polyvalent branching units. The composition of the polymers is controlled by adjusting the...
|
|
|
7262265 |
High temperature thermoset compositions
A new family of high temperature thermoset resins having high glass transition temperatures and enhanced hygrothermal stability that are synthesized using inexpensive starting materials in...
|
|
|
6989420 |
Coating liquid for producing insulating film having low dielectric constant
Coating liquid for producing insulating film having low dielectric constant is provided. It was achieved by coating liquid for producing insulating film having low dielectric constant comprising a...
|
|
|
6878796 |
Solvent systems for polymeric dielectric materials
Aromatic aliphatic ether solvents, such as anisole, methylanisole, and phenetole, have been found useful in formulating coating solutions of polymeric dielectric materials and as a clean up solvent...
|
|
|
6566483 |
Photosensitive phosphorylated phenol-formaldehyde resin and method for preparing the same
This invention discloses a photosensitive phosphorylated phenol-formaldehyde resin, characterized by containing in its molecule at least two phosphate groups, each phosphate group coupled with at...
|
|
|
6303733 |
Poly(arylene ether) homopolymer compositions and methods of manufacture thereof
Dielectric compositions encompassing one or more poly(arylene ether) polymers are provided. The dielectric compositions have the repetitive structural unit: ##STR1##where n=1 to 200, Y and Ar are...
|
|
|
6291628 |
Solvent systems for low dielectric constant polymeric materials
A polymeric low dielectric constant solution includes a low dielectric constant polymer dissolved in an aromatic aliphatic ether solvent. The polymer preferably is a poly(arylene ether) and the...
|
|
|
6124421 |
Poly(arylene ether) compositions and methods of manufacture thereof
Dielectric compositions encompassing one or more poly(arylene ether) polymers are provided. The dielectric compositions have the repetitive structural unit: ##STR1## where n=0 to 1; m=0 to 1-n; and...
|
|
|
6040416 |
Melt polymer synthesis of poly ether phosphine oxides
A melt polymerization method for producing poly(arylene ethers phosphine oxide)s suited to optical applications comprising reacting a trimethyl silyl derivative of bisphenol and an activated...
|
|
|
5914388 |
Synthesis polyphosphazenes with controlled molecular weight and polydisperity
A process for the preparation of polyphosphazenes is provided that includes the cationic solution polymerization reaction of a phosphoranimine, using a main group or transition metal halide, or...
|
|
|
5898062 |
Poly (organophosphazene) hydrogels
Poly (organophosphazene) polymers bearing various ratios of a carboxylic acid containing sidegroup and an alkylamino, alkoxy, or alkoxy ether sidegroup are disclosed. These water-soluble...
|
|
|
5548060 |
Sulfonation of polyphosphazenes
A method for the alkylsulfonation of polymeric and cyclic trimer phosphazenes that includes reacting the phosphazene with a sultone. This method can be used to prepare sulfonated phosphazenes that...
|
|
|
5464932 |
Photocrosslinkable polyphosphazenes and their use as microencapsulation materials
Chalcone and cinnamate bearing polyphosphazenes are disclosed. The polyphusphazenes contain a sufficient number of chalcone or cinnamate groups, or a combination thereof, to achieve a...
|
|
|
5399654 |
Method for the production of phosphorus-containing aromatic polyester
A phosphorus-containing wholly aromatic polyester is produced by an interfacial polymerization method which includes the step of reacting a phosphorus-containing bisphenol compound and a bisphenol...
|
|
|
5384337 |
Poromeric material having uniformly distributed electrets for maintaining an electrostatic charge
A poromeric material for maintaining an electrostatic charge is provided, the material including a matrix of fibers, a polymeric binder for binding the matrix, and electrets present substantially...
|
|
|
5312890 |
Polycarbonate compositions comprising bisphosphine oxide monomer
Bisphosphine oxide monomers and homologs thereof may be incorporated into polycarbonates in order to obtain a flame retardant polymer. More particularly, bis[2,5-(diphenylphosphine...
|
|
|
5310855 |
Aromatic condensation products
The aromatic formaldehyde condensation products, which are substantially colorless and water-soluble and contain sulphonate and/or carboxylate groups, are obtainable by adding agents which have a...
|
|
|
5304625 |
Phosphazene-containing amine as curing agent for phthalonitrile-based polymer
Phosphazene-containing amines having at least one amine or substituted amine moiety reactive with nitrile groups of the phthalonitrile monomers or oligomeric resins are useful curing agents for...
|
|
|
5194564 |
Phosphine oxide substituted polycarbonate
Novel flame retardant polycarbonates are prepared that maintain a Tg and an impact strength similar to that of non-modified polycarbonates. More particular, phosphine oxide containing...
|
|
|
5182356 |
Poly(1,2,4-triazole) via aromatic nucleophilic displacement
Poly(1,2,4-triazoles)(PT) have been prepared by involving the aromatic nucleophilic displacement reaction of di(hydroxyphenyl)-1,2,4-triazole monomers with activated aromatic dihalides or activated...
|
|
|
5145936 |
Fluorinated poly (naphthyl ether)
A fluorinated poly(naphthyl ether) having a repeat unit of the formula ##STR1## wherein Y is (CF2)m, ##STR2## m is an integer from 1 to 4, inclusive, and X is S, CO, SO2, O, P(C6 H5), or C(OH)H....
|
|
|
5101002 |
Cured phosphonitrilic elastomers having alkyl-substituted aryl units
Phosphazene polymers having the units ##STR1## wherein the total number of units ranges from about 3 to about 50,000, R1 and R2 are different and are C1 to C12 linear or branched alkyl, C2 to C15...
|
|
|
5089534 |
Process for preparing flexible polyurethane foam
This invention relates to the use of phosphorus-containing compounds, specifically cyclic organophosphorus compounds, as carbodiimidization catalysts in the preparation of open-celled flexible...
|
|
|
5079333 |
Novel mine-terminated poly(arylene ether phosphine oxide) oligomer
Amine-terminated poly(arylene ether phosphine oxide) oligomers of the general formula ##STR1## where Ar' is phenyl, biphenyl, bisphenol-A, etc., can be formed by reaction of a bisphenol monomer, a...
|
|
|
5053451 |
Ionically cross-linkable polyphosphazene: poly(bis(carboxylatophenoxy) phosphazene) and its hydrogels and membranes
Hexachlorocyclotriphosphazene and poly(dichlorophosphazene) react with the sodium salt of ethyl p-hydroxybenzoate to give small molecule cyclic and high polymeric phosphazenes with aryloxy ester...
|
|
|
5041524 |
Polyphosphazene derivatives containing carbonyl groups suitable for photoreticulation processes
Polyphosphazene derivatives containing carbonyl groups which are apt to undergo rapid photoreticulation processes having the general formula ##STR1## in which: X represents substituents bound to...
|
|
|
4990588 |
Temperature resistant aromatic polyethers
What are disclosed are aromatic polyethers which are resistant to high temperature, having a reduced viscosity greater than 0.25 dl/g and a repeating structural unit [(A-O)a (B-O)b (C-O)c ],wherein...
|
|
|
4973653 |
Linear polyether resins
Linear polyether resins containing 100 to 1 mol % of the repeating structural unit of formula I ##STR1## and 99 to 0 mol % of the repeating structural unit of formula II ##STR2## wherin A is a...
|
|
|
4912191 |
Sulfur cured polyfluoroalkoxyeugenoxyphosphazene composition
Polyfluoroalkoxyphosphazenes cured through eugenoxy groups result in elastomer compositions having higher modulus, tensile strength and elongation retention and lower compression set compared to a...
|
|
|
4855389 |
Process for producing phosphonitrile oligomers containing maleimidophenoxy group
This invention relates to a process for producing phosphonitrile oligomers containing maleimido phenoxy groups.
|
|
|
4849494 |
Eugenoxy containing polyfluoroalkoxyphosphazene composition
Polyfluoroalkoxyphosphazenes cured through eugenoxy groups result in elastomer compositions having higher modulus, tensile strength and elongation retention and lower compression set compared to a...
|
|
|
4840977 |
Polymeric iodonium salts, method for making, and heat curable compositions
Photosensitive iodonium polymers are provided useful as positive photoresists. The iodonium polymers can be converted to polymeric diaryl iodonium polyfluorometal and metalloid salts by a...
|
|
|
4837276 |
Phosphorus-containing oligomers and polymers containing polyphenylene ether blocks and mixtures of other plastics therewith
The invention relates to oligomeric and polymeric esters of difunctional polyphenylene ethers and phosphinic acids, phosphonic acids and phosphoric acid and to their use as a flame-retarding mixing...
|
|
|
4762905 |
Aromatic thermoplastic polyphosphonatocarbonate
Thermoplastic polyphosphonatocarbonate prepared by polycondensing at least one aromatic dihydroxy compound with a diaryl carbonate and a phosphonic acid diaryl ester in the presence of a basic...
|
|
|
4719279 |
Process for the preparation of copolyphosphonates having high toughness
Polyester-phosphonates, polycarbonatophosphonates and polyester-carbonatophosphonates having improved impact strength and notched impact strength as compared with melt-condensation products can be...
|
|
|
4696993 |
Phosphorus-containing polyarlene ether
A method for making resinous phosphorus-containing polyarylene ethers of the structure ##STR1## wherein R taken alone is hydrogen or R R taken together are a covalent single bond, oxygen, sulfur,...
|
|
|
4680370 |
Branched polycarbonate composition from tris(hydroxyaryl)phosphorus compound
Polycarbonate compositions are formed by reaction of aromatic trihydroxy phosphorus compounds to induce random-chain branching.
|
|
|
4673730 |
Method for recovering aromatic polyethers
Method for recovering an aromatic polyether as a solid product from a solution thereof in an organic solvent by precipitating with a fluorohydrocarbon which may also contain chlorine or bromine and...
|
|
|
4657993 |
Phosphazene homopolymers and copolymers having hydroxylated or amino derivatives of carbazole or of naphthalene as substituents
Polyphosphazene homopolymers and copolymers containing repetitive units represented by the general formula: ##STR1## in which the substituents X, which can be equal or different, are represented by...
|
|
|
4639504 |
Production of thermally stabilized aromatic polyesters
The production of oxybenzoyl polyesters is facilitated by the incorporation of a phosphite, particularly an organic phosphite, during the production enabling the production of molded articles from...
|
|
|
4621123 |
Phosphinylmethyl polypenols and polyglycidyl ethers thereof
Novel phosphorus-containing polyglycidyl ethers capable of forming a cured epoxy resin having a high flame retardancy and excellent in heat resistance characteristics such as heat deterioration...
|
|
|
4556698 |
Flame retardant thermoplastic polycarbonate polymers
This invention claims flame retardant polycarbonate resin compositions comprising an aromatic carbonate polymer and, as a novel flame retardant additive therefor, a phosphorus-containing...
|
|
|
4514550 |
Polyphosphazene process
Phosphonitrilic chloride polymers are substituted with aryloxide or alkoxide groups by reaction with an alkali metal aryloxide or alkoxide in a single liquid hydrocarbon reaction medium, e.g....
|