PROCESS FOR PRODUCING NON-CRYSTALLINE CELLULOSE
A process for producing non-crystalline cellulose with excellent productivity, wherein a cellulosic raw material in which the components thereof excluding water have a cellulose content of 20 mass% or higher and the cellulose has a cellulose I crystallinity, shown by the following calculation formul...
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| creator | TOMIOKA, KEIICHIRO NOJIRI, NAOKI OSAKI, KAZUTOMO UMEHARA, MASAHIRO MIYAMOTO, MASAFUMI |
| description | A process for producing non-crystalline cellulose with excellent productivity, wherein a cellulosic raw material in which the components thereof excluding water have a cellulose content of 20 mass% or higher and the cellulose has a cellulose I crystallinity, shown by the following calculation formula (1), of higher than 33% and which has a water content of 1.8 mass% or lower is treated with a pulverizer to reduce the cellulose I crystallinity thereof to 33% or lower. Cellulose I crystallinity (%) = [(I22.6-I18.5)/I22.6]×100 (1) [I22.6 indicates the X-ray diffraction intensity of the lattice plane (002) (diffraction angle 2? = 22.6º) and I18.5 indicates the X-ray diffraction intensity of the amorphous part (diffraction angle 2? = 18.5º).] |
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Cellulose I crystallinity (%) = [(I22.6-I18.5)/I22.6]×100 (1) [I22.6 indicates the X-ray diffraction intensity of the lattice plane (002) (diffraction angle 2? = 22.6º) and I18.5 indicates the X-ray diffraction intensity of the amorphous part (diffraction angle 2? = 18.5º).]</description><language>eng ; fre</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; DERIVATIVES THEREOF ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; POLYSACCHARIDES ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20101125&DB=EPODOC&CC=CA&NR=2762523A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20101125&DB=EPODOC&CC=CA&NR=2762523A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TOMIOKA, KEIICHIRO</creatorcontrib><creatorcontrib>NOJIRI, NAOKI</creatorcontrib><creatorcontrib>OSAKI, KAZUTOMO</creatorcontrib><creatorcontrib>UMEHARA, MASAHIRO</creatorcontrib><creatorcontrib>MIYAMOTO, MASAFUMI</creatorcontrib><title>PROCESS FOR PRODUCING NON-CRYSTALLINE CELLULOSE</title><description>A process for producing non-crystalline cellulose with excellent productivity, wherein a cellulosic raw material in which the components thereof excluding water have a cellulose content of 20 mass% or higher and the cellulose has a cellulose I crystallinity, shown by the following calculation formula (1), of higher than 33% and which has a water content of 1.8 mass% or lower is treated with a pulverizer to reduce the cellulose I crystallinity thereof to 33% or lower. 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Cellulose I crystallinity (%) = [(I22.6-I18.5)/I22.6]×100 (1) [I22.6 indicates the X-ray diffraction intensity of the lattice plane (002) (diffraction angle 2? = 22.6º) and I18.5 indicates the X-ray diffraction intensity of the amorphous part (diffraction angle 2? = 18.5º).]</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | PROCESS FOR PRODUCING NON-CRYSTALLINE CELLULOSE |
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