Matches 1 - 50 out of 111 1 2 3 >
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7585442 Process for making cellulose acetate tow  
A process for making a cigarette tow comprising: spinning a dope; taking-up the as-spun cellulose acetate filaments; lubricating the filaments; forming a tow from the filaments; crimping the tow...
7585441 Process of making cellulose acetate tow  
In the manufacture of a fiber tow, particularly cellulose acetate tow, the tow is plasticized prior to entry into the crimper. The preferred plasticizer is water.
7534380 Cellulose acetate tow and method of making same  
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a steam injector in communication with the stuffer channel of the crimper. The steam injector...
7534379 Process of making cellulose acetate tow  
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of tow edge lubricators adapted to lubricate the lateral edges of the tow immediately prior...
7470385 Process for producing cellulose acylate film  
A cellulose acylate film is produced by using a cellulose acylate solution and forming a film consisting of two or more layers by the co-casting method. The cellulose acylate to be used is selected...
7445737 Cellulose acetate tow and method of making same  
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has one roller adapted to induce crimp into the tow. This roller induces crimp by preferentially...
7425289 Process of making cellulose acetate tow  
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of nip rollers, at least one, made of a solid ceramic material.
7250201 Production method of cellulose film, cellulose film, protective film for polarizing plate, optical functional film, polarizing plate, and liquid crystal display  
A production method of cellulose film wherein cellulose film is produced by preparing a polymer solution through dissolving cellulose ester in a solvent containing a prescribed organic solvent as...
7214335 Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the same  
This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved...
6972102 Method and device for continually producing an extrusion solution  
The invention relates to a method for continually producing an extrusion solution for producing cellulosed shaped bodies, such as fibres and films, according to the lyocell method. According to the...
6929884 Method for manufacture of films containing insoluble solids embedded in cellulose-based films  
A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L 1 Cl in a polar solvent such as DMAC, dispersing the solid in the...
6757116 Disk biasing for manufacture of servo patterned media  
A method of manufacturing a patterned data/information storage and retrieval medium in the form of an annular disk having an outer diameter, a central opening defining an inner diameter, and...
6582645 Method for producing cellulose acylate film  
A method for producing a cellulose acylate film is disclosed. The method comprises the steps of, casting dope containing cellulose acylate on a surface of a metal support, peeling off a web formed...
6548660 Producing method of cellulose polymer  
A producing method of a cellulose polymer powder is provided, which comprises dissolving a cellulose polymer by exposure to an organic solvent containing, as the main component, an ester-based...
6368534 Solution casting process  
This invention relates to a solution casting process capable of decreasing uneven coating of a functional layer upon applying the functional layer onto a film surface, which comprises casting a...
6316582 Use of an alkoxylated polyamine surfactant as a viscose spin bath additive  
The present invention relates to a method of reducing the clogging of nozzles and slits and diminishing the formation of deposits in the spin bath system in the process of making viscose...
6139785 Cellulose ester composition  
The present invention provides a cellulose ester composition, containing 1 to 99% by weight of cellulose triacetate prepared by substituting hydroxyl groups of cellulose with acetyl and having a...
6019925 Method of making cellulosic dialysis membrane  
A method for producing cellulosic dialysis membranes in the form of flat, tubular, or hollow fiber membranes by spinning a spinning solution of cellulose and/or modified cellulose, a tertiary amine...
5976440 Cellulose diacetate spinning dope and a process for producing a cellulose diacetate fiber  
A spinning dope for the stable production of a cellulose diacetate fiber at a high productivity rate, such fiber being almost free from the occurrence of fluffs and excellent in strength and...
5811162 Sheet-like or tubular food casing based on cellulose hydrate  
A food casing based on cellulose hydrate, which is preferably used as a sausage casing, in addition to cellulose hydrate, includes a copolymer having units of methyl vinyl ether and maleic acid...
5783121 Preparation of a polymer solution  
A preparation of a polymer solution comprising the steps of: mixing a polymer with a solvent to swell the polymer in the solvent; cooling the swelled mixture to a temperature of -100° to -10° C.;...
5747125 Fibrous composite cellulosic film and method  
A crosslinked cellulose composite film including a regenerated cellulose matrix containing a uniform dispersion of hemp fibers and a poly(ethylene oxide) plasticizer. A method for forming the film...
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...
5688455 Process for making a cellulose triacetate photographic film base  
A method of making a cellulose triacetate photographic film support by forming a dope solution of cellulose triacetate in a first solvent, passing the dope solution under pressure through a sheet...
5686036 Process for making a cellulose triacetate photographic film base  
The invention provides a method of making a cellulose triacetate photographic film base which comprises providing a casting composition of cellulose triacetate, plasticizer, and solvent having a...
5656224 Process for the production of a cellulose suspension  
The invention is concerned with a process for the production of a suspension of cellulose in a liquid, aqueous tertiary amine-oxide, wherein shredded cellulose is mixed with the liquid, aqueous...
5626810 Process for the preparation of cellulose solutions  
A process is disclosed for the preparation of a shapeable solution of cellulose in an aqueous tertiary amine-oxide from comminuted cellulose. The process includes introducing previously comminuted...
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...
5549861 Process for the production of shaped structures of cellulose  
A process for the production of shaped structures of cellulose, in particular fibers of cellulose, by shaping and subsequent regeneration of water-soluble cellulose derivatives is described. The...
5527178 Jet assembly  
A jet assembly for spinning cellulose fibres from a solution of cellulose in an amine oxide solvent in which the jet assembly includes a generally top-hat shaped spinnerette having a series of...
5512231 Processing cellulose acetate formed articles using supercritical fluid  
A process for preparing cellulose acetate articles such as fibers. The process includes the following steps: Cellulose acetate is dissolved in a solvent to form a solution, the solvent made up of...
5512230 Process for making cellulose acetate fibers  
A method for spinning a cellulose acetate fiber having a low degree of substitution per anhydroglucose unit (DS/AGU) of the cellulose acetate is provided. The addition of 5 to 40 weight percent...
5462801 Filter Tow, method for the production thereof, as well as tobacco smoke filter element and method for its production  
A filter tow from cellulose acetate filaments and/or staple fibers is described on the surface of which an additive from cellulose chain-splitting enzymes is present, at least the surface of the...
5419955 Method for immobilizing superabsorbent polymer and products derived therefrom  
The present invention provides super absorbent materials in the form of sheets or fibers made from high melting polymers and having super absorbent polymer material dispersed uniformly throughout....
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...
5314647 Method of making cellulose ester photographic film base  
A method of making cellulose ester photographic film base employing microwave radiation for removing the final portion of solvent present in the film.
5269996 Process for the production of fine denier cellulose acetate fibers  
A method for producing ultra fine denier cellulose acetate fibers that entails spinning a spinning solution containing adequately high amounts of cellulose acetate in acetone wherein the cellulose...
5262110 Apparatus and method for spinning filaments  
Apparatus and method are disclosed for spinning filaments from a material such as cellulose acetate dope. The filaments are spun from a spinnerette at the top of a vertically elongated spinning...
5240665 Process of making cellulose acetate fibers from spinning solutions containing metal oxide precursor  
An improved extrudable solution such as a cellulose acetate/acetone spinning solution is provided containing cellulose ester, solvent, metal oxide precursor, acid, and water. The solution is...
5188788 Process for producing cellulose triacetate films  
A process for producing cellulose triacetate films that is capable of not only suppressing the growth of foreign matter on transport rollers, but also markedly reducing the necessary number of...
5152947 Process for producing cellulose triacetate film  
A cellulose triacetate film excellent in both of the tear strength and the folding endurance can be obtained by casting a cellulose triacetate dope using a solvent mixture of methylene chloride...
5047197 Cellulose derivative spinning solutions having improved processability and process  
Cellulose derivative spinning solutions are provided, having an improved flow rate at comparable cellulose derivative content and pressure drop across the spinning nozzle, or a higher cellulose...
5011637 Preparing cellulose ester membranes for gas separation  
This invention relates to a novel composition useful for preparing a semi-permeable cellulose ester gas separation membrane, which composition includes a mixture of a cellulose ester, a solvent...
4888147 Process for production of cellulose acetate molding materials  
A process for producing a cellulose acetate molding material which comprises dissolving cellulose diacetate in a mixed solvent of acetone and water to prepare a dope and then spinning or film...
4849141 Method for producing sustained release formulation  
A method for preparing a sustained release formulation utilizing collagen and/or gelatin as a carrier, which comprises the steps: (i) preparing a uniform and high concentrated mixture with...
4839113 Anistropic compositions of cellulose esters; processes for obtaining such compositions; fibers of cellulose esters or cellulose  
Composition (M) having a base of a cellulose ester having formate groups, this composition being an anisotropic solution containing: (a) the cellulose ester; (b) formic acid; (c) at least...
4812279 Process for preparation of cellulose ester films  
Disclosed is a process for the preparation of cellulose ester films, which comprises dissolving a cellulose ester in an organic solvent, coating the solution on a substrate under rotation and...
4742164 Bacterial cellulose-containing molding material having high dynamic strength  
A molding material having high dynamic strength which contains bacterial cellulose having ribbon-shaped microfibrils. Such material is advantageously used as a reinforcing material for composite...
4725394 Process for preparing high stength cellulosic fibers  
High strength, high modulus cellulose triacetate fibers are produced by spinning a 30-50% by weight solution of cellulose triacetate having an acetyl content of at least 42.5% and an inherent...
4681713 Method of making a hollow fiber membrane for dialysis  
A hollow fiber membrane of a cellulose ester for dialysis of body liquids, such as blood, and a method are described. The membrane, which has a membrane thickness of less than 20μ, and a yield...
Matches 1 - 50 out of 111 1 2 3 >