Patent application number | Description | Published |
20080262216 | HYDROXYALKYL METHYLCELLULOSE HAVING SOLUBILITY AND THERMOREVERSIBLE GELATION PROPERTIES IMPROVED - Provided is hydroxyalkyl methylcellulose which can be dissolved at room temperature of 20 to 30° C. and has high thermoreversible gel strength during thermoreversible gelation. More specifically, provided is water-soluble hydroxyalkyl methylcellulose having a molar substitution of hydroxyalkoxyl groups of 0.05 to 0.1 and a substitution degree of methoxyl groups of 1.6 to 1.9, wherein the hydroxyalkoxyl groups are classified into substituted hydroxyalkoxyl groups having hydroxyl groups of hydroxyalkoxyl groups substituted further with methoxyl groups and unsubstituted hydroxyalkoxyl groups having hydroxyl groups of hydroxyalkoxyl groups not further substituted; and a ratio (A/B) of a molar fraction (A) of the substituted hydroxyalkoxyl groups to a molar fraction (B) of unsubstituted hydroxyalkoxyl groups is 0.4 or greater. | 10-23-2008 |
20100025897 | COMPOSITION FOR CERAMIC EXTRUSION-MOLDED BODY AND METHOD FOR MANUFACTURING A CERAMIC EXTRUSION-MOLDED BODY - A composition for ceramic extrusion-molded bodies includes a ceramic material, a water-soluble cellulose ether, a styrenesulfonate and water. A method for manufacturing a ceramic extrusion-molded body using the composition is also provided. | 02-04-2010 |
20100251770 | Process for producing silica glass product - A process for producing a transparent or opaque silica glass product including mixing a silica fine powder and a cellulose derivative and injection molding the mixture, followed by degreasing treatment and baking treatment, which is characterized in that the cellulose derivative is a cellulose derivative which causes reversible thermal gelation in an aqueous solution of at least one member selected from methyl cellulose, hydroxypropylmethyl cellulose and hydroxyethylmethyl cellulose; in producing a transparent silica glass product, the cellulose derivative is added in water heated at a gelation temperature thereof or higher, and after cooling, the formed aqueous solution is kneaded with the silica fine powder; and in producing an opaque silica glass product, the cellulose derivative is added in a silica slurry containing a silica powder and heated at a gelation temperature of the cellulose derivative or higher. | 10-07-2010 |
20110077391 | HYDROXYALKYL METHYLCELLULOSE HAVING SOLUBILITY AND THERMOREVERSIBLE GELATION PROPERTIES IMPROVED - Provided is hydroxyalkyl methylcellulose which can be dissolved at room temperature of 20 to 30° C. and has high thermoreversible gel strength during thermoreversible gelation. More specifically, provided is water-soluble hydroxyalkyl methylcellulose having a molar substitution of hydroxyalkoxyl groups of 0.05 to 0.1 and a substitution degree of methoxyl groups of 1.6 to 1.9, wherein the hydroxyalkoxyl groups are classified into substituted hydroxyalkoxyl groups having hydroxyl groups of hydroxyalkoxyl groups substituted further with methoxyl groups and unsubstituted hydroxyalkoxyl groups having hydroxyl groups of hydroxyalkoxyl groups not further substituted; and a ratio (A/B) of a molar fraction (A) of the substituted hydroxyalkoxyl groups to a molar fraction (B) of unsubstituted hydroxyalkoxyl groups is 0.4 or greater. | 03-31-2011 |
20110245062 | EXTRUSION MOLDING COMPOSITION AND METHOD FOR PRODUCING EXTRUSION MOLDED PART - An extrusion molding composition comprises a cellulose or cellulose derivative, an ionic liquid, and a ceramic material. The composition can be extrusion molded into a ceramic part at a high molding speed and without drying cracks. | 10-06-2011 |
20120165518 | CERAMIC EXTRUSION MOLDING COMPOSITION AND BINDER - A non-crosslinked, nonionic, water-soluble cellulose ether having a syneresis value of at least 25% by weight in which the hydrogen atom of a hydroxyl group is substituted by a C | 06-28-2012 |
20120258348 | Binder for Separator of Non-Aqueous Electrolyte Battery Comprising 2-Cyanoethyl Group-Containing Polymer and Separator and Battery Using the Same - Provided is a binder used for a heat-resistant porous layer which is comprised by a separator; the separator which comprises the binder and which is comprised by a non-aqueous electrolyte battery with improved stability; and the non-aqueous electrolyte battery comprising the separator. More specifically, provided is a binder for a separator of a non-aqueous electrolyte battery, the binder comprising at least a 2-cyanoethyl group-containing polymer having storage elasticity of 100 Pa or more in a mixed liquid of specified cyclic carbonate ester, specified chain carbonate ester and lithium phosphate hexafluoride. | 10-11-2012 |
20120258349 | Binder for Separator of Non-Aqueous Electrolyte Battery Comprising 2-Cyanoethyl Group-Containing Polymer and Separator and Battery Using the Same - An object of the invention is to provide a binder for a separator which can be comprised by a non-aqueous electrolyte battery with improved heat resistance, a separator comprising the binder, and a non-aqueous electrolyte battery comprising the separator. More specifically, provided are a binder for a separator of a non-aqueous electrolyte battery comprising at least a 2-cyanoethyl group-containing polymer having a molecular weight distribution (Mw/Mn), which is a ratio of a weight-average molecular weight (Mw) to a number-average molecular weight (Mn), of 6 or less, the weight-average molecular weight (Mw) of 50,000 to 1,000,000, and 30% by weight or less of a low molecular weight portion having a molecular weight of 30,000 or less. | 10-11-2012 |
20120258350 | Binder for Separator of Non-Aqueous Electrolyte Battery Comprising 2-Cyanoethyl Group-Containing Polymer and Separator and Battery Using the Same - Object of the invention is to provide a binder for a separator which can be comprised by a non-aqueous electrolyte battery with improved battery properties and heat resistance; the separator comprising the binder; and the non-aqueous electrolyte battery comprising the separator. More specifically, provided is a binder for a separator of a non-aqueous electrolyte battery, the separator comprising a 2-cyanoethyl group-containing polymer having bis-cyanoethyl ether content of 0.5% by weight or less as an impurity. | 10-11-2012 |
20120259067 | Method for Producing 2-Cyanoethyl Group-Containing Organic Compound - Provided is a method for producing a 2-cyanoethyl group-containing organic compound having a high ratio of replacement by cyanoethyl groups and a high dielectric constant. More specifically, provided is a method for producing a 2-cyanoethyl group-containing organic compound comprising a step of reacting acrylonitrile with a hydroxyl group-containing organic compound in the presence of a quaternary ammonium salt as a catalyst through a Michael addition. | 10-11-2012 |
20120263855 | FOAMABLE MILK COMPOSITION - From a foamable milk composition consisting of non-fat milk and hydroxypropyl methyl cellulose, a milk foam is quickly prepared, on demand, as a topping on coffee. | 10-18-2012 |
20140018477 | EXTRUSION MOLDING HYDRAULIC COMPOSITION - A hydraulic composition comprising a water-soluble hydroxyalkyl alkyl cellulose, cement, aggregate, reinforcing fibers, and water is provided. The hydroxyalkyl alkyl cellulose has a degree of alkyl substitution of 1.2-1.7, the sum of the degree of alkyl substitution and the molar substitution of hydroxyalkyl is 1.5-2.0, and a proportion of glucose ring not substituted with alkyl and hydroxyalkyl groups per glucose ring unit is up to 10 mol %. The composition cures within a short time and is extrusion moldable even at elevated temperature. | 01-16-2014 |
20140109798 | PREPARATION OF CELLULOSE ETHER POWDER - Cellulose ether powder is prepared in a safe and easy way by first adding a surfactant solution to surfaces of water-soluble cellulose ether particles, and then adding a tannin solution thereto. The powder thus prepared is free of bitterness and readily dissolvable in cold water without forming clumps. | 04-24-2014 |
20140142018 | EXTRUSION OR INJECTION MOLDING MACHINE PURGING COMPOSITION AND METHOD - A composition comprising 10-80% by weight of a cellulose ether and a solvent selected from a water-soluble polyhydric alcohol, polyhydric alcohol ether, polyhydric alcohol ester, and ethanolamine is effective for purging extrusion and injection molding machines. The purging composition exerts a satisfactory purging or cleaning effect, but little abrasion effect, thus avoiding any abrasion of machine internal components by purging. Even if part of the purging composition is left within the machine after the composition is discharged out, the residue can be readily removed. | 05-22-2014 |