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JP5820688B2 |
There is provided a solvent that can uniformly dissolve a polysaccharide within a short time period regardless of the crystal form of the polysaccharide and without requiring any special pretreatment. The solvent includes a tetraalkylamm...
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JP2015206136A |
To provide a method for producing dissolved pulp satisfying an ultrahigh purity (α cellulose content>97%), a high polymerization degree (η>700) and a high whiteness (ISO brightness>90).Provided is a method for producing dissolved pulp ...
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JP5812991B2 |
A polyvinyl alcohol polymer capable of, in producing hydrolyzable cellulose using a cellulosic biomass as a basic material, readily disrupting the cellulosic biomass at a molecular level by imparting a suitable flow resistance to a solut...
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JP5798907B2 |
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JP5785507B2 |
When a combination of pulps having different alkali metal hydroxide solution absorption rates is as a raw material, contact conditions such as a contact temperature and a contact time have to be changed frequently, depending on the absor...
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JP2015163679A |
To provide a transplantable microbial cellulose as tissue closure enhancement, buttress for soft tissue enhancement, accretion barrier, joint cartilage restoration and pericardial patch, and as a medicament for tissue restoration or rege...
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JP2015143355A |
To provide a soluble pulp sheet suitable as a raw material of viscose rayon, and preferably having alkali solubility.The soluble pulp sheet has a ratio of a minimum value of thickness to a maximum value of thickness of the sheet of the p...
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JP5759655B2 |
The present invention relates to a new method for preparing microcrystalline cellulose, comprising a prior step of compaction of the cellulose before degradation of the glucose chains and obtaining the suitable degree of polymerization. ...
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JP5737993B2 |
Provided is a method for efficiently preparing alkali cellulose having a uniform alkali distribution. More specifically, provided are a method for preparing alkali cellulose comprising a contact filtration step of bringing a pulp into co...
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JP5737994B2 |
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JP5706344B2 |
The present invention relates to a process for the production of alkali cellulose for the production of alkali cellulose and, optionally, cellulose ethers from cellulose in the presence of alkali and, if applicable, with alkylating and/o...
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JP5666828B2 |
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JP5651341B2 |
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JP5615793B2 |
A method includes pretreating biomass feed stock (14) in a first pressurized reactor (12), wherein the feed stock (14) undergoes hydrolysis in the first pressurized reactor (12); discharging the feed stock (14) from the first pressurized...
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JP2014195769A |
To provide a heating crusher which can improve the conversion rate from cellulose to glucose in a cellulose saccharification process.In a state where a filter shutter 26 is closed and a sample is put into a crushing container 22 (filter ...
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JP2014194023A |
To provide a method for manufacturing nanocellulose.A manufacturing method comprises the following steps i) to iii): i) treating cellulose fibers for at least 5 minutes with an aqueous electrolyte-containing solution of an amphoteric car...
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JP5599147B2 |
Provided is a method for preparing cellulose ether which is transparent as dissolved in water and has low water-insoluble content. More specifically, provided is a method for preparing alkali cellulose, comprising a contact step of bring...
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JP5586186B2 |
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JP5586833B2 |
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JP5582812B2 |
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JP5582882B2 |
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JP5577622B2 |
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JP2014144998A |
To provide a method of obtaining a solidified cellulose or a solid cellulose such as a molded article from a solution of cellulose without causing environmental problems such as discharging a great amount of waste liquor and consuming la...
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JP5571599B2 |
Provided is a method for producing cellulose ether whose aqueous solution is transparent and contains a smaller amount of water-insoluble portion. The method comprises at least the steps of: providing at least two alkali cellulose materi...
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JP5552224B2 |
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JP5513088B2 |
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JP5503609B2 |
Provided is a method for preparing nonionic water-soluble cellulose ether having low insoluble content and providing a transparent solution. More specifically, provided is a method for preparing nonionic water-soluble cellulose ether com...
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JP5490724B2 |
A method for the production of molded bodies from a base substance, wherein the base substance is mixed with a solution for producing a molding solution, and the solution subsequently is at least partially removed from the mixture, and t...
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JP2014070204A |
To provide a method of producing a modified cellulose that eliminates the need for addition of excess chemicals and thus enables reduction in various chemicals remaining in a system, and a method of producing modified cellulose nanofiber...
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JP5466440B2 |
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JP5426121B2 |
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JP5412912B2 |
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JP5390514B2 |
The throughput of a reactor for producing alkali cellulose and/or a cellulose derivative can be increased by using a granulated cellulose-based material for the preparation of alkali cellulose and/or a cellulose derivative. Cellulose der...
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JP5390963B2 |
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JP2013545904A |
A method and system for producing nanocellulose are provided. Cellulose is refined by a first refiner, the refined cellulose is separated by a first separator in such a manner that at least part of it belongs to an accepted fraction, wat...
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JP2013256635A |
To produce powdered cellulose having a high-molecular weight.A method of producing powdered cellulose having a high-molecular weight includes: cooling a cellulose-containing raw material that contains 30 to 200 mass% of water based on a ...
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JP5377816B2 |
Provided is a method for preparing alkali cellulose having alkali distributed uniformly therein. A uniform alkali distribution in the alkali cellulose makes it possible to prepare cellulose ether which has been substituted uniformly in a...
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JP2013241620A |
To provide an improved method for producing alkali cellulose or a cellulose derivative.A method includes: a step of pulverizing a cellulose-based material to granulate it, and then filling the granulated cellulose-based material into a r...
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JP2013538246A |
The present invention provides a process for producing cellulose shaped articles in which a) cellulose is at least partly dissolved at a temperature of about 100° C. or lower in a dope comprising an ionic liquid and a cosolvent to form ...
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JP5301922B2 |
To provide a method for effectively producing low crystalline cellulose wherein cellulose I type crystallinity is reduced from a cellulose-containing raw material with excellent productivity. In the method for producing low crystalline c...
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JP2013177528A |
To obtain powdery cellulose which provides a molded product having high strength and has excellent powder fluidity, specifically to obtain powdery cellulose for shaping agents, which has large average particle size, high apparent specifi...
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JP2013155445A |
To provide a method for producing a nanofiber that can obtain a nanofiber by a reduced number of processes and in a short time.There is provided a method for producing a nano-cellulose which includes a fibrillating treatment step for mix...
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JP5260276B2 |
Solution comprises cellulose and an ionic liquid containing anions and cations as solvent, where the cation exhibits at least one atom of nitrogen, oxygen, sulfur and phosphorus, which is present in protonated form. An independent claim ...
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JP5255449B2 |
The invention relates to dispersible cellulose powder compositions comprising non-seed cellulose powder derived from algae, fungi or tunicates, which compositions are useful in a variety of products such as food products, pharmaceuticals...
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JP5259569B2 |
Cellulosic biomass is reduced to a micropowder with particles having average diameters below 5-10 micrometers with a significant fraction of the particles have diameters below 1 micrometer. Biomass (e.g., wood, agricultural waste or othe...
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JP5242576B2 |
A process for producing a granule-containing tablet comprising mixing more than 25 mass% to 89 mass% or less of crystalline cellulose exhibiting a tensile displacement at break of 25 to 80 µm and a relative fluidity index of 2.15 to 2.8...
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JP5238112B2 |
A method for producing derivatized microfibrillar polysaccharide, including but not limited to cellulose, derivatized by steric and/or electrostatic forces, where the electrostatic forces are provided by anionic charge or by a combinatio...
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JP2013132639A |
To provide a method for producing a pulverized material that can amorphize a raw material to be pulverized and attain small particle diameter in a short time.The method for producing the pulverized material includes a process for introdu...
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JPWO2011111484A1 |
An object of the present invention is a method for producing a cellulose ester capable of producing a cellulose ester film by suppressing variations in performance between production lots of the cellulose ester and reducing film surface ...
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JP2013124318A |
To provide a polyvinyl alcohol-based polymer which imparts a suitable viscosity to a mixture containing a cellulosic biomass, or the like, on the production of the hydrolyzable cellulose from the cellulosic biomass as a raw material, whe...
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