Structure of Cellulose−Soda Solutions at Low Temperatures
Calorimetry, small-angle X-ray scattering, and viscometry were used to study the structure of NaOH−water and cellulose−NaOH−water solutions in the range of 0−20% NaOH and 0−5% cellulose concentrations in the low-temperature region of −60 to 0 °C. Pure NaOH−water solutions show a pseudoeutectic behav...
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| Veröffentlicht in: | Biomacromolecules 2001, Vol.2 (3), p.687-693 |
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| creator | Roy, Cédric Budtova, Tatiana Navard, Patrick Bedue, Olivier |
| description | Calorimetry, small-angle X-ray scattering, and viscometry were used to study the structure of NaOH−water and cellulose−NaOH−water solutions in the range of 0−20% NaOH and 0−5% cellulose concentrations in the low-temperature region of −60 to 0 °C. Pure NaOH−water solutions show a pseudoeutectic behavior with three phases: free water that crystallizes and melts at a certain melting temperature which decreases with the increase of NaOH concentration; a NaOH hydrate that melts at −35 °C; water bound to hydrates that does not crystallize. The addition of cellulose does not change the amount of the free water. The cellulose chains are located in the hydrate region, one to two hydroxyl groups of the glucopyranose unit being bound to a soda hydrate. |
| doi_str_mv | 10.1021/bm010002r |
| format | Article |
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Pure NaOH−water solutions show a pseudoeutectic behavior with three phases: free water that crystallizes and melts at a certain melting temperature which decreases with the increase of NaOH concentration; a NaOH hydrate that melts at −35 °C; water bound to hydrates that does not crystallize. The addition of cellulose does not change the amount of the free water. The cellulose chains are located in the hydrate region, one to two hydroxyl groups of the glucopyranose unit being bound to a soda hydrate.</description><identifier>ISSN: 1525-7797</identifier><identifier>EISSN: 1526-4602</identifier><identifier>DOI: 10.1021/bm010002r</identifier><identifier>PMID: 11710022</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Calorimetry, Differential Scanning ; Cellulose - chemistry ; Engineering Sciences ; In Vitro Techniques ; Macromolecular Substances ; Materials ; Molecular Structure ; Scattering, Radiation ; Sodium Hydroxide - chemistry ; Solutions ; Temperature ; Thermodynamics ; Viscosity ; Water ; X-Rays</subject><ispartof>Biomacromolecules, 2001, Vol.2 (3), p.687-693</ispartof><rights>Copyright © 2001 American Chemical Society</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a377t-e357ffc4b1a5401d29a488e61e819d73043bed76f1e213341885f8b56c1db51d3</citedby><cites>FETCH-LOGICAL-a377t-e357ffc4b1a5401d29a488e61e819d73043bed76f1e213341885f8b56c1db51d3</cites><orcidid>0000-0001-8264-6507 ; 0000-0003-1835-2146</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/bm010002r$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/bm010002r$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>230,314,776,780,881,2752,4010,27053,27900,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11710022$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://minesparis-psl.hal.science/hal-00574760$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Roy, Cédric</creatorcontrib><creatorcontrib>Budtova, Tatiana</creatorcontrib><creatorcontrib>Navard, Patrick</creatorcontrib><creatorcontrib>Bedue, Olivier</creatorcontrib><title>Structure of Cellulose−Soda Solutions at Low Temperatures</title><title>Biomacromolecules</title><addtitle>Biomacromolecules</addtitle><description>Calorimetry, small-angle X-ray scattering, and viscometry were used to study the structure of NaOH−water and cellulose−NaOH−water solutions in the range of 0−20% NaOH and 0−5% cellulose concentrations in the low-temperature region of −60 to 0 °C. Pure NaOH−water solutions show a pseudoeutectic behavior with three phases: free water that crystallizes and melts at a certain melting temperature which decreases with the increase of NaOH concentration; a NaOH hydrate that melts at −35 °C; water bound to hydrates that does not crystallize. The addition of cellulose does not change the amount of the free water. The cellulose chains are located in the hydrate region, one to two hydroxyl groups of the glucopyranose unit being bound to a soda hydrate.</description><subject>Calorimetry, Differential Scanning</subject><subject>Cellulose - chemistry</subject><subject>Engineering Sciences</subject><subject>In Vitro Techniques</subject><subject>Macromolecular Substances</subject><subject>Materials</subject><subject>Molecular Structure</subject><subject>Scattering, Radiation</subject><subject>Sodium Hydroxide - chemistry</subject><subject>Solutions</subject><subject>Temperature</subject><subject>Thermodynamics</subject><subject>Viscosity</subject><subject>Water</subject><subject>X-Rays</subject><issn>1525-7797</issn><issn>1526-4602</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90E9LwzAYBvAgipvTg19AelHxUM2bP02LpzHUCQMPm-eQtil2tMtMGsVv4NmP6Ccxc2O7iKeE8HufJA9Cp4CvARO4yVsMGGNi91AfOElilmCy_7vnsRCZ6KEj5-aBZJTxQ9QDEGGAkD66nXbWF523OjJVNNJN4xvj9Pfn19SUKpqaxne1WbhIddHEvEcz3S61VasBd4wOKtU4fbJZB-j5_m42GseTp4fH0XASKypEF2vKRVUVLAfFGYaSZIqlqU5Ap5CVgmJGc12KpAJNgFIGacqrNOdJAWXOoaQDdLXOfVGNXNq6VfZDGlXL8XAiV2cYc8FEgt8g2Mu1XVrz6rXrZFu7InxLLbTxTgrOOBMMiyAv_peEpITyZHd9YY1zVlfbNwCWq_7ltv9gzzahPm91uZObwgM4XwNVODk33i5Cc38E_QAwzopf</recordid><startdate>2001</startdate><enddate>2001</enddate><creator>Roy, Cédric</creator><creator>Budtova, Tatiana</creator><creator>Navard, Patrick</creator><creator>Bedue, Olivier</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-8264-6507</orcidid><orcidid>https://orcid.org/0000-0003-1835-2146</orcidid></search><sort><creationdate>2001</creationdate><title>Structure of Cellulose−Soda Solutions at Low Temperatures</title><author>Roy, Cédric ; Budtova, Tatiana ; Navard, Patrick ; Bedue, Olivier</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a377t-e357ffc4b1a5401d29a488e61e819d73043bed76f1e213341885f8b56c1db51d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Calorimetry, Differential Scanning</topic><topic>Cellulose - chemistry</topic><topic>Engineering Sciences</topic><topic>In Vitro Techniques</topic><topic>Macromolecular Substances</topic><topic>Materials</topic><topic>Molecular Structure</topic><topic>Scattering, Radiation</topic><topic>Sodium Hydroxide - chemistry</topic><topic>Solutions</topic><topic>Temperature</topic><topic>Thermodynamics</topic><topic>Viscosity</topic><topic>Water</topic><topic>X-Rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Roy, Cédric</creatorcontrib><creatorcontrib>Budtova, Tatiana</creatorcontrib><creatorcontrib>Navard, Patrick</creatorcontrib><creatorcontrib>Bedue, Olivier</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Biomacromolecules</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Roy, Cédric</au><au>Budtova, Tatiana</au><au>Navard, Patrick</au><au>Bedue, Olivier</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure of Cellulose−Soda Solutions at Low Temperatures</atitle><jtitle>Biomacromolecules</jtitle><addtitle>Biomacromolecules</addtitle><date>2001</date><risdate>2001</risdate><volume>2</volume><issue>3</issue><spage>687</spage><epage>693</epage><pages>687-693</pages><issn>1525-7797</issn><eissn>1526-4602</eissn><abstract>Calorimetry, small-angle X-ray scattering, and viscometry were used to study the structure of NaOH−water and cellulose−NaOH−water solutions in the range of 0−20% NaOH and 0−5% cellulose concentrations in the low-temperature region of −60 to 0 °C. Pure NaOH−water solutions show a pseudoeutectic behavior with three phases: free water that crystallizes and melts at a certain melting temperature which decreases with the increase of NaOH concentration; a NaOH hydrate that melts at −35 °C; water bound to hydrates that does not crystallize. The addition of cellulose does not change the amount of the free water. The cellulose chains are located in the hydrate region, one to two hydroxyl groups of the glucopyranose unit being bound to a soda hydrate.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>11710022</pmid><doi>10.1021/bm010002r</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-8264-6507</orcidid><orcidid>https://orcid.org/0000-0003-1835-2146</orcidid></addata></record> |
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| ispartof | Biomacromolecules, 2001, Vol.2 (3), p.687-693 |
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| language | eng |
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| source | MEDLINE; American Chemical Society Journals |
| subjects | Calorimetry, Differential Scanning Cellulose - chemistry Engineering Sciences In Vitro Techniques Macromolecular Substances Materials Molecular Structure Scattering, Radiation Sodium Hydroxide - chemistry Solutions Temperature Thermodynamics Viscosity Water X-Rays |
| title | Structure of Cellulose−Soda Solutions at Low Temperatures |
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