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Document Title |
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7384588 |
Process for making a flexible structure comprising starch filaments
A process for making a flexible structure that includes at least a first region and a second region, each of the first and second regions having at least one common intensive property that differs...
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7259201 |
Flame retardant thermoplastic films and methods of making the same
A film can comprise greater than or equal to about 95 wt % thermoplastic resin and about 0.001 wt % to about 5.0 wt % sulfonate salt, based on a total weight of the film, and have a UL-94 rating of...
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6821599 |
Porous acrylic fiber and fabric comprising the same, and method of producing the same
Porous acrylic fibers produced by a method comprising subjecting a spinning dope containing 0.3 to 20 parts by weight of poly(vinyl acetate) relative to 100 parts of an acrylic copolymer to a wet...
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6683123 |
Process for making a thermoplastic molding composition
A process for producing a thermoplastic molding composition is disclosed. The process entails introducing a solid polymeric resin, optionally containing residual moisture, into an extruder,...
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6652805 |
Highly filled composites of powdered fillers and polymer matrix
Highly filled composite materials, e.g. comprising approximately 60 volume % or greater of finely powdered particles of filler in a polymer matrix, are made by dissolving polymer in a volatilisable...
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6500371 |
Continuous method for producing amino- and/or phenoplasts
The invention relates to a continuous process for preparing aminoplastics and/or phenolics, in which a precondensate solution is prepared in a first extruder ( 14 ), the precondensate solution is...
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6455154 |
Production of short fiber silica
A coating liquid for forming porous silica coating, comprising a product of reaction between a short fiber silica and a hydrolyzate of an alkoxysilane of the formula X n Si(OR) 4-n or a...
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6451967 |
Method of drying saponified ethylene-vinyl acetate copolymers
A method of drying saponified ethylene-vinyl acetate copolymers which includes melting and kneading a mixture including one or more saponified ethylene-vinyl acetate copolymer species and having a...
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6447918 |
Interpenetrating polymer network of polytetra fluoroethylene and silicone elastomer for use in electrophotographic fusing applications
The present invention relates to electrostatographic fuser system members such as fuser rolls or belts having an outer surface layer comprising an interpenetrating polymer network comprising...
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6436323 |
Production of fibre
Staple fiber is produced by extruding a solution of a polymer through a spinneret to form continuous filaments, gathering the continuous filaments to form a tow and continuously cutting the...
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6264866 |
Method for producing polyimide film
A method for producing a polyimide film in which the imidation ratio and/or the amount of volatile constituent are controlled to improve the adhesive strength of the polyimide film. The method may...
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6180037 |
Methods for the manufacture of sheets having a highly inorganically filled organic polymer matrix
Compositions and methods for manufacturing sheets having a highly inorganically filled matrix. Suitable inorganically filled mixtures are prepared by mixing together an organic polymer binder,...
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6123885 |
Process for the production of elastane fibers by inclusion of a combination of PDMS and ethoxylated PDMS in the spinning solution
The invention relates to a spinning process, more particularly a dry spinning process, for the production of elastane fibers in which 0.8 to 2% by weight of polydimethylsiloxane with a viscosity of...
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6062228 |
Biodegradable filter material and method for its manufacture
There is provided a biodegradable filter tow or filter material from renewable raw materials for the use as a tobacco smoke filter element of cigarettes, cigars or pipes as well as a method for...
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6036905 |
Method for preparing polyester films
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5998007 |
Multidirectionally stretch-crazed microencapsulated polymer film and a method of manufacturing thereof
A multidirectionally stretch-crazed microencapsulated polymer film having a matrix material and microcapsules which are formed in the matrix material in the form of crazes which are filled with an...
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5859175 |
Process for the preparation of polyether amide solutions, steam-sterilizable dialysis membranes obtainable using the polyether-amide solutions, and a process for the production of these membranes
Process for the preparation of polyether-amide solutions, steam-sterilizable dialysis membranes obtainable using the polyether-amide solutions, and a process for the production of these membranes....
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5849155 |
Method for dispersing cellulose based fibers in water
The invention describes a method for dispersion of cellulose based fibers in water. The raw material, which particularly may be recycled paper, is first wetted with water. By a combination of...
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5830554 |
Method of producing of microporous polyolefin membrane
An efficient method of producing a microporous polyolefin membrane having improved tensile strength and pierce strength is provided, in which a solution having dissolved therein 5% by weight to 50%...
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5788993 |
Spinneret with slotted outlet
A flash spin pack for a flash-spinning apparatus is provided in which the pack includes a spin mixture inlet, that communicates with a spin mixture passage, that discharges through a spinning...
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5786445 |
Process for drying polymeric powders and polymeric agglomerates
The invention relates to a process for drying polymeric powders and polymeric agglomerates, in particular thermoplastic aromatic polycarbonate or other thermoplastic polymers such as, for example,...
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5750064 |
Dry spinning process for producing zein fibers
The disclosed invention relates to a process wherein zein fibers are prepared by contacting zein with a volatile solvent system and dry spinning into a gaseous atmosphere. This process obviates the...
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5733663 |
Composite membrane and process for its production
To produce a composite membrane, the solution of a polymer in a volatile organic solvent is spread on water, the solvent is allowed to evaporate, the polymer is crosslinked and the polymer film...
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5714258 |
Fiber having improved properties, compositions for producing such fibers, and process for improving properties of fibers
An improved polyester fiber, polymer composition for producing such fibers by spinning and drawing, and a process for improving the production of fibers from polyester is disclosed wherein an...
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5693279 |
Starch acetate and blends thereof with metal chelates
Filaments characterized by enhanced tensile strength, which are composed of starch acetate or a blend of starch acetate and cellulose acetate and metal chelates, are provided. Also provided are...
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5690878 |
Method for forming solution cast tetrafluoroethylene polymer films
Perfluorinated cycloalkane solvents for dissolving high melting polymers containing tetrafluoroethylene, are disclosed. These solvents dissolve such polymers more rapidly, and/or are more stable,...
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5672653 |
Anionic waterborne polyurethane dispersions
Anionic waterborne polyurethane dispersions made using hydroxyl terminated polybutadiene resins and use of the dispersions to make films and adhesives.
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5662852 |
Mass-colored formed structures based on aromatic polyamides, mass-colored fiber, and premix for producing mass-colored formed structures
A process for producing mass-colored fiber or film, comprises the steps of: a) preparing a premix by grinding a composition comprising a polar aprotic organic solvent, 5 to 30% by weight of an...
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5660778 |
Method of making a cross-flow honeycomb structure
The present invention is directed to a novel method for extruding a honeycomb structure. The method comprises the use of an extrusion die with primary and secondary feed holes and associated...
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5643511 |
Process for making microporous films of ultrahigh molecular weight polyethylene
The invention relates to microporous films of ultrahigh molecular weight polyethylene and to a process for the preparation thereof by forming a solution of UHMWPE in an evaporable solvent into a...
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5626960 |
Spandex containing a huntite and hydromagnesite additive
Spandex having dispersed within it particles of a mineral mixture of huntite and hydromagnesite has decreased tackiness, increased resistance to chlorine-induced degradation, satisfactory process...
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5589111 |
Polyimide precursor composition for extrusion molding of polyimide, process for preparing it, and process for preparing molded articles of polyimide
A process for preparing molded articles of a polyimide is provided the steps of melting and extruding, at 50° to 100° C., a polyimide precursor composition for extrusion molding of a polyimide...
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5585060 |
Process for preparing biodegradable water-resistant film
A process for preparing a biodegradable water-resistant film. The process includes the steps of dispersing zein in an aqueous solution comprising acetone in an amount of from 65 to 75% by volume to...
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5553835 |
Method for drying solvent based film
Solvent based film is produced in an endless belt casting apparatus (10) in which, within initial compartments (46-52), flows of gas are directed through transversely elongated inlet channels (85 i...
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5523293 |
Soy protein-based thermoplastic composition for preparing molded articles
The invention provides biodegradable, thermoplastic compositions made of the reaction product of soybean protein and a carbohydrate filler, a reducing agent, a plasticizer, water, and optional...
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H001523 |
Method of making a polymer film having a conductivity gradient along its thickness and polymer film so made
A polymer film having a conductivity gradient across its thickness is made rom a mixed solution of an insulating polymer, A and a polymer, B that can be made conducting by doping or protonation by...
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5501831 |
Method for preparing interpenetrated polymer films
This invention relates in general to a method for the formation of films having a controlled molecular orientation prepared from rod-like extended chain aromatic-heterocyclic ordered polymers, and...
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5492666 |
Controlled coagulation of rigid-chain polymer thin films
A method for preparing optical quality, thin films of rigid-rod polymers and co-polymers, as well as blends of such polymers or co-polymers with flexible coil-like aromatic heterocyclic polymers...
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5407626 |
Quaternary ammonium polyarylamides, used to manufacture articles and adhere polyamide objects
Quaternary ammonium polyarylamides are provided that are useful in articles of manufacture that require minimal ionic impurities. The polyarylamides are produced by reacting certain polyamides...
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5403531 |
Elongated object made of a copolymer of carbon monoxide and an olefinically unsaturated monomer, and method for the production thereof
A process for producing an elongated object of an alternating copolymer of carbon monoxide and an olefinically unsaturated monomer wherein the copolymer has an intrinsic viscosity measured in...
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5399304 |
Microgravity formation of polymeric networks
The present invention is directed to improving thermoplastic and cross-linked polymeric networks. The inventive method comprises forming the polymeric network under gravitational conditions...
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5389326 |
Fibers and films of improved flame resistance
Aramid and polybenzimidazole fibers and films of improved flame resistance are obtained by impregnation with tungsten hexachloride.
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5367042 |
Process for fabricating oriented polybenzazole films
Films containing polybenzazole polymer dissolved in a solvent can be mechanically stretched to provide biaxial orientation. The resulting dope film can be coagulated. The polymer film has improved...
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5330833 |
Tin oxide fiber and a process for producing the same
A tin oxide fiber expressed by the general formula Sn (1-y) Z y O 2 (I) wherein Z is a metal element of the Group V of the periodic table, and y is 0 to 0.3,...
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5326507 |
Manufacture of polarizing films
The process for manufacturing a polarizing film based on polyvinyl alcohol and at least one dichroic substance by casting or extrusion of a mixture of polyvinyl alcohol and a solvent, whereby the...
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5324475 |
Process for preparing biaxially stretched isotropic polyimide film
An isotropic, biaxially stretched polyimide film prepared by casting a solution of a polyamic acid precursor in an organic solvent containing a cyclization catalyst and dehydrating agent onto the...
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5308569 |
Process for the preparation of aromatic polyimide film
A process for the preparation of an aromatic polyimide film includes the steps of casting a polyamide acid solution containing an imidization agent on a support in the form of a film, heating the...
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5286182 |
Spinning nozzle for preparing a fiber precursor
A spinning nozzle for dry spinning a spinning solution containing a metal compound and an organic polymer compound by a blowing method. In the spinning nozzle, an air nozzle 6 is provided having a...
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5252285 |
Process for making silk fibroin fibers
The present invention relates to a process for spinning silk fibers. The process involves dissolving silk fibroin in an aqueous salt solution, removing the salt from the solution, followed by...
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5252277 |
Process for spinning polypeptide fibers from solutions of lithium thiocyanate and liquefied phenol
This invention relates to novel processes for preparing polypeptide solutions and spinning them into fibers. The process involves dissolving a polypeptide in a solvent system comprising lithium...
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