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JP4035181B2 |
Cellulose acetate propionate is a cellulose ester wherein hydroxyl groups of cellulose are substituted with acetyl and propionyl. Cellulose acetate propionate of the present invention has an amorphous index (Am) of not more than 0.4. Cel...
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JP4034472B2 |
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JP2007332191A |
To provide a cellulose derivative which exhibits good compatibility with polymers for forming optically compensating films or the like, can be produced in simple production processes, and can give films having excellent optical character...
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JP2007332292A |
To provide a cellulosic material film having excellent retardation development and small variation of retardation by environmental humidity, an optical compensation film, a polarizing sheet and a liquid crystal display device. The cellul...
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JP4027997B2 |
An apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices make use of hydrogen peroxide vapor released from a substantially non-aqueous organic hydrogen peroxide complex, such as a urea...
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JP2007327025A |
To provide a modified glucan derivative (e.g. modified cellulose acylate) suitably utilizable for optical applications such as an optical film. The hydroxy acid-modified glucan derivative constituted of a glucan derivative (e.g., cellulo...
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JP4022450B2 |
TAC and additives are mixed in a mixture solvent of dichloromethane, methanol and n-butanol to obtain a dispersion solution. The dispersion solution is heated to become a low concentration dope whose concentration is 19.3 wt. %. The low ...
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JP2007536237A |
The present invention provides methods for the treatment or prevention of a viral, bacterial, or fungal infection using an anionic cellulose- or acrylic-based polymer, a prodrug thereof, or a pharmaceutically acceptable salt of said anio...
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JP2007308722A |
To provide a cellulose ester which is useful as a plastic, a film, a fiber and a coating, and which can be directly synthesized economically. The cellulose ester having a total DS/AGU of 0.1 to 3.0 is produced by contacting the following...
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JP4010081B2 |
To obtain the subject film excellent in adhesion to a polarizer and useful for protecting a polarizing plate by specifying the tensile modulus and the content of a plasticizer. This film has >=340 kgf/mm2 tensile modulus and 1-20 wt.% pl...
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JP2007298889A |
To provide a phase difference film excellent in the durability against a temperature change, and particularly achieving both the reciprocal wavelength dispersibility and the durability. The phase difference film contains components (A), ...
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JP3993657B2 |
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JP2007527861A |
Cellulose derivatives (I) are used to thicken the organic phase of a nail varnish composition. (I) are nitrocellulose or cellulose ester derivatives in which hydroxy groups are replaced by organic groups. Cellulose derivatives (I) are us...
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JP3974058B2 |
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JP3970947B2 |
To provide a cellulose ester compound being a cellulose ester compound which can have a high degree of molecular substitution(MS) because of having carboxyl groups or because of being a polymeric substituted product, being water-insolubl...
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JP2007217470A |
To provide a cellulose/mixed fatty acid ester (e.g., cellulose acetate 3 to 6C acylate) having a low impurity content in spite of having a high degree of polymerization and to provide a method for producing the same. The method for produ...
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JP3962105B2 |
To conduct a homogeneous acetylation of a cellulose without using large amounts of an acetylating agent and a reaction solvent. In the production of a cellulose acetate by acetylating a cellulose with an acetylating agent in the presence...
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JP3957792B2 |
To obtain a cellulose acetate having a low degree of polymn., a specified average degree of acetylation, a specified viscosity-average degree of polymn., a low crystallinity and an excellent moldability by adding a specified weight range...
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JP2007197637A |
To provide a cellulose acylate film, particularly a cellulose acylate film having a large negative Rth, wherein the amount of the additives being emitted during production is small and the retardation in the in-plane and width directions...
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JP2007191513A |
To provide a method for producing a cellulose acylate solid composition in which fine particles are uniformly dispersed and which is used suitably for a film formation, and a film containing the solid composition. This cellulose acylate ...
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JP3942669B2 |
To obtain a low-crystalline cellulose acetate with both average acetylation degree and viscosity-average polymerization degree at respective specific levels or higher, low in heat of generation when crystallized, excellent in moldability...
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JP3942668B2 |
PURPOSE: To obtain a cellulose acetate having excellent moldability by removing a low-molecular-weight component therefrom by wishing with a solvent having a specified solubility parameter so that the washed product may have a specified ...
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JP2007169589A |
To provide a method for producing a cellulose acylate having good thermal stability and providing a film having high film impact strength.The method for producing the cellulose acylate involves a step for drying the cellulose acylate so ...
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JP3932997B2 |
To provide a method of producing a high quality cellulose ester composition economically by solving drawbacks in the production of the cellulose composition containing a conventionally known plasticizer. In this method of producing the t...
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JP2007138141A |
To provide a method for producing a cellulose acylate having high average molecular weight and slight content of minute foreign matter.This method for producing a cellulose acylate comprises acylating cellulose with an esterifying agent ...
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JP3911633B2 |
To notice that a powder material of cellulose such as wood or the like has excellent physical properties as a material for manufacturing a speaker cabinet and to develop a mixed material suitable for the speaker cabinet using synthetic r...
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JP3895801B2 |
To obtain a cellulose ester which is excellent in solubility, gives a high-concn. soln. with low viscosity, and is useful for a photographic photosensitive material, a fiber, a functional film, etc., by specifying the degrees of substitu...
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JP2007009221A |
To provide a film comprising cellulose acetate substantially low in crystallinity, excellent in moldability and having low polymerization degree.The film comprises cellulose acetate having average acetylation degree of ≥58.0%, a viscos...
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JP2006335842A |
To provide a cellulose ester film improved in the reversible variation of retardation value due to moisture variation even in the form of a wide-width film, and to provide a polarizing plate excellent in yield, view angle characteristics...
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JP2006317813A |
To provide a phase difference conditioner capable of conditioning the phase difference in the thickness of a coating film for optical compensation to a negative direction, further, to provide a coating film for optical compensation havin...
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JP2006523752A |
Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a...
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JP2006249347A |
To provide a method for producing a high quality cellulose ester by solving defects in conventional publicly known methods for producing the cellulose ester.This method for producing the cellulose ester is characterized by using at least...
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JP2006241433A |
To provide a process for production of a cellulose acylate capable of giving a cellulose acylate film with favorable thermal stability and optical property.The cellulose acylate having a specific range of the degree of acylation is produ...
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JP2006520420A |
Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a...
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JP2006233216A |
To provide an apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices making use of hydrogen peroxide vapor released from a substantially non-aqueous organic hydrogen peroxide complex, s...
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JP3789959B2 |
To readily obtain the subject substance not using a plasticizer, an adhesive, etc., simply being wetted with water, molded and dried, excellent in disintegration with water, rapidly being broken down into a fibrous state, effective for m...
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JP2006124642A |
To obtain a new cellulose acylate film having a few minute polarizing foreign matters and no yellow color suitable for melt film formation and to provide a polarizing plate which is incorporated with the film and has no light leakage and...
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JP2006117849A |
To provide a new substance which has excellent water-retaining capacity and hygroscopicity and can be easily prepared at a low cost.The water-retaining agent contains an aliphatic acid-bonded polysaccharide obtained by adding an aliphati...
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JP3768283B2 |
To provide stirring blades for a kneader by which no dead space is formed and compression and compaction of solid components are suppressed. These stirring blades are stirring blades for a kneader having an and blades 4 extended out of t...
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JP2006071965A |
To provide an IPS (In-Plane Switching) type liquid crystal display device which is improved not only in display quality but also in a viewing angle characteristic with a simple constitution.The liquid crystal display device comprises a f...
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JP3749746B2 |
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JP2006045500A |
To provide a method for manufacturing a cellulose acylate containing few minute foreign matters and suitable as a material for an optical film, and to provide a cellulose acylate film capable of forming a liquid crystal display device of...
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JP2006045499A |
To provide a manufacturing method of a mixed cellulose acylate which gives a mixed cellulose acylate film capable of solving display troubles occurring in the case of black display in a liquid crystal display device provided with the mix...
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JP2006045501A |
To provide a method for manufacturing a cellulose acylate containing few minute foreign matters and suitable as a material for an optical film.The manufacturing method of the cellulose acylate having substitution degrees A and B satisfyi...
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JP2006045502A |
To provide a manufacturing method of a mixed cellulose acylate capable of solving display troubles occurring in the case of black display in a liquid crystal display device, a mixed cellulose acylate film, a polarizing plate and a liquid...
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JP2006045141A |
To prepare liquid cosmetics which can develop thixotropy without any clay mineral.One of the liquid cosmetics comprises a cellulose derivative prepared by bonding substituents each represented by -OC(O)-A-COOH (wherein -OC(O)-A-COO- is a...
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JP3741722B2 |
Individualized, esterified high lignin content cellulosic fibers containing intrafiber C2-C9 polycarboxylic acid ester perform unexpectedly better in absorbent applications than lower lignin content esterified fibers from the same furnish.
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JP2005352138A |
To provide a cellulose acylate film as a phase difference film having the excellent revealability of retardation in the plane and in the thickness direction, and enhancing the display quality of a liquid crystal display for a VA (Vertica...
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JP2005539129A |
A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L1Cl in a polar solvent such as DMAC, dispersing the solid in the solution and gelling the solution with water...
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JP3727755B2 |
To obtain the subject film having low and stable retardation value in the thickness direction, and capable of providing a protective coat of a polarizing plate by using cellulose acetate having a specific value of a substitution degree a...
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