Fractionation of lignin macromolecules by sequential organic solvents systems and their characterization for further valuable applications.
Identifieur interne : 000E95 ( Main/Exploration ); précédent : 000E94; suivant : 000E96Fractionation of lignin macromolecules by sequential organic solvents systems and their characterization for further valuable applications.
Auteurs : Shin Young Park [Corée du Sud] ; Jae-Young Kim [Corée du Sud] ; Hye Jung Youn [Corée du Sud] ; Joon Weon Choi [Corée du Sud]Source :
- International journal of biological macromolecules [ 1879-0003 ] ; 2018.
Descripteurs français
- KwdFr :
- Bois (composition chimique), Fractionnement chimique (méthodes), Lignine (composition chimique), Lignine (isolement et purification), Masse moléculaire (MeSH), Solvants (composition chimique), Spectroscopie par résonance magnétique (MeSH), Structures macromoléculaires (composition chimique), Structures macromoléculaires (isolement et purification).
- MESH :
- composition chimique : Bois, Lignine, Solvants, Structures macromoléculaires.
- isolement et purification : Lignine, Structures macromoléculaires.
- méthodes : Fractionnement chimique.
- Masse moléculaire, Spectroscopie par résonance magnétique.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Lignin, Macromolecular Substances, Solvents.
- chemical , isolation & purification : Lignin, Macromolecular Substances.
- chemistry : Wood.
- methods : Chemical Fractionation.
- Magnetic Resonance Spectroscopy, Molecular Weight.
Abstract
Lignin solvent fractionation is one of the promising methods for homogenizing and utilizing lignin commercially. In this work, fractionation characteristics of two lignin fractions were compared to investigate the potential of utilization of fractionated lignin. Two lignins [milled wood lignin(MWL) and organosolv lignin(OL) from yellow poplar] were sequentially fractionated with ethyl acetate(F1), 2-butanone(F2), methanol(F3), acetone(F4), and dioxane/water(F5). Yields of five MWL fractions F1 to F5 were 11.7%, 11.7%, 15.3%, 11.8%, and 49.6%, respectively, and yields of OL fractions were 26.2%, 26.1%, 18.7%, 3.7% and 25.4%. Average molecular weight of F1 (lowest molecular weight fraction) ranged from 1000 to 2400Da, whereas that of F5 (highest molecular weight fraction) was above 10000Da. According to functional group analysis, contents of phenolic hydroxyl groups and methoxyl groups decreased gradually with increasing molecular weight. DFRC analysis was performed to investigate the frequency of β-O-4 linkages and it revealed that the higher molecular weight fractions yielded larger amounts of DFRC monomers, indicating that those fractions more frequently contain aryl ether linkages. TG/DTG showed that the low molecular weight fractions generally have lower initial thermal stability. Tg of the fractions ranged from 126°C to 156°C, increasing as the molecular weight of the lignin fraction increased.
DOI: 10.1016/j.ijbiomac.2017.08.069
PubMed: 28818728
Affiliations:
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Electronic address: cjw@snu.ac.kr.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Graduate School of International Agricultural Technology and Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-do, 232-916</wicri:regionArea><orgName type="university">Université nationale de Séoul</orgName><placeName><settlement type="city">Séoul</settlement></placeName></affiliation></author></analytic><series><title level="j">International journal of biological macromolecules</title><idno type="eISSN">1879-0003</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chemical Fractionation (methods)</term><term>Lignin (chemistry)</term><term>Lignin (isolation & purification)</term><term>Macromolecular Substances (chemistry)</term><term>Macromolecular Substances (isolation & purification)</term><term>Magnetic Resonance Spectroscopy (MeSH)</term><term>Molecular Weight (MeSH)</term><term>Solvents (chemistry)</term><term>Wood (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Bois (composition chimique)</term><term>Fractionnement chimique (méthodes)</term><term>Lignine (composition chimique)</term><term>Lignine (isolement et purification)</term><term>Masse moléculaire (MeSH)</term><term>Solvants (composition chimique)</term><term>Spectroscopie par résonance magnétique (MeSH)</term><term>Structures macromoléculaires (composition chimique)</term><term>Structures macromoléculaires (isolement et purification)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Lignin</term><term>Macromolecular Substances</term><term>Solvents</term></keywords><keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Lignin</term><term>Macromolecular Substances</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Wood</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Bois</term><term>Lignine</term><term>Solvants</term><term>Structures macromoléculaires</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Lignine</term><term>Structures macromoléculaires</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Chemical Fractionation</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Fractionnement chimique</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Magnetic Resonance Spectroscopy</term><term>Molecular Weight</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Masse moléculaire</term><term>Spectroscopie par résonance magnétique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Lignin solvent fractionation is one of the promising methods for homogenizing and utilizing lignin commercially. In this work, fractionation characteristics of two lignin fractions were compared to investigate the potential of utilization of fractionated lignin. Two lignins [milled wood lignin(MWL) and organosolv lignin(OL) from yellow poplar] were sequentially fractionated with ethyl acetate(F1), 2-butanone(F2), methanol(F3), acetone(F4), and dioxane/water(F5). Yields of five MWL fractions F1 to F5 were 11.7%, 11.7%, 15.3%, 11.8%, and 49.6%, respectively, and yields of OL fractions were 26.2%, 26.1%, 18.7%, 3.7% and 25.4%. Average molecular weight of F1 (lowest molecular weight fraction) ranged from 1000 to 2400Da, whereas that of F5 (highest molecular weight fraction) was above 10000Da. According to functional group analysis, contents of phenolic hydroxyl groups and methoxyl groups decreased gradually with increasing molecular weight. DFRC analysis was performed to investigate the frequency of β-O-4 linkages and it revealed that the higher molecular weight fractions yielded larger amounts of DFRC monomers, indicating that those fractions more frequently contain aryl ether linkages. TG/DTG showed that the low molecular weight fractions generally have lower initial thermal stability. T<sub>g</sub> of the fractions ranged from 126°C to 156°C, increasing as the molecular weight of the lignin fraction increased.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">28818728</PMID><DateCompleted><Year>2018</Year><Month>07</Month><Day>09</Day></DateCompleted><DateRevised><Year>2018</Year><Month>07</Month><Day>09</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-0003</ISSN><JournalIssue CitedMedium="Internet"><Volume>106</Volume><PubDate><Year>2018</Year><Month>Jan</Month></PubDate></JournalIssue><Title>International journal of biological macromolecules</Title><ISOAbbreviation>Int J Biol Macromol</ISOAbbreviation></Journal><ArticleTitle>Fractionation of lignin macromolecules by sequential organic solvents systems and their characterization for further valuable applications.</ArticleTitle><Pagination><MedlinePgn>793-802</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0141-8130(16)32211-5</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.ijbiomac.2017.08.069</ELocationID><Abstract><AbstractText>Lignin solvent fractionation is one of the promising methods for homogenizing and utilizing lignin commercially. In this work, fractionation characteristics of two lignin fractions were compared to investigate the potential of utilization of fractionated lignin. Two lignins [milled wood lignin(MWL) and organosolv lignin(OL) from yellow poplar] were sequentially fractionated with ethyl acetate(F1), 2-butanone(F2), methanol(F3), acetone(F4), and dioxane/water(F5). Yields of five MWL fractions F1 to F5 were 11.7%, 11.7%, 15.3%, 11.8%, and 49.6%, respectively, and yields of OL fractions were 26.2%, 26.1%, 18.7%, 3.7% and 25.4%. Average molecular weight of F1 (lowest molecular weight fraction) ranged from 1000 to 2400Da, whereas that of F5 (highest molecular weight fraction) was above 10000Da. According to functional group analysis, contents of phenolic hydroxyl groups and methoxyl groups decreased gradually with increasing molecular weight. DFRC analysis was performed to investigate the frequency of β-O-4 linkages and it revealed that the higher molecular weight fractions yielded larger amounts of DFRC monomers, indicating that those fractions more frequently contain aryl ether linkages. TG/DTG showed that the low molecular weight fractions generally have lower initial thermal stability. T<sub>g</sub> of the fractions ranged from 126°C to 156°C, increasing as the molecular weight of the lignin fraction increased.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Park</LastName><ForeName>Shin Young</ForeName><Initials>SY</Initials><AffiliationInfo><Affiliation>Department of Forest Sciences and Research Institute for Agriculture and Life Science, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul, 151-921, South Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kim</LastName><ForeName>Jae-Young</ForeName><Initials>JY</Initials><AffiliationInfo><Affiliation>Department of Forest Sciences and Research Institute for Agriculture and Life Science, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul, 151-921, South Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Youn</LastName><ForeName>Hye Jung</ForeName><Initials>HJ</Initials><AffiliationInfo><Affiliation>Department of Forest Sciences and Research Institute for Agriculture and Life Science, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul, 151-921, South Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Choi</LastName><ForeName>Joon Weon</ForeName><Initials>JW</Initials><AffiliationInfo><Affiliation>Graduate School of International Agricultural Technology and Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-do, 232-916, South Korea. Electronic address: cjw@snu.ac.kr.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>08</Month><Day>14</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Int J Biol Macromol</MedlineTA><NlmUniqueID>7909578</NlmUniqueID><ISSNLinking>0141-8130</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D046911">Macromolecular Substances</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012997">Solvents</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005591" MajorTopicYN="N">Chemical Fractionation</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D046911" MajorTopicYN="N">Macromolecular Substances</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009682" MajorTopicYN="N">Magnetic Resonance Spectroscopy</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008970" MajorTopicYN="N">Molecular Weight</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012997" MajorTopicYN="N">Solvents</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Lignin</Keyword><Keyword MajorTopicYN="N">Solvent fractionation</Keyword><Keyword MajorTopicYN="N">Thermal degradation</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>10</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>08</Month><Day>07</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>08</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>8</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>7</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>8</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28818728</ArticleId><ArticleId IdType="pii">S0141-8130(16)32211-5</ArticleId><ArticleId IdType="doi">10.1016/j.ijbiomac.2017.08.069</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Corée du Sud</li></country><settlement><li>Séoul</li></settlement><orgName><li>Université nationale de Séoul</li></orgName></list><tree><country name="Corée du Sud"><noRegion><name sortKey="Park, Shin Young" sort="Park, Shin Young" uniqKey="Park S" first="Shin Young" last="Park">Shin Young Park</name></noRegion><name sortKey="Choi, Joon Weon" sort="Choi, Joon Weon" uniqKey="Choi J" first="Joon Weon" last="Choi">Joon Weon Choi</name><name sortKey="Kim, Jae Young" sort="Kim, Jae Young" uniqKey="Kim J" first="Jae-Young" last="Kim">Jae-Young Kim</name><name sortKey="Youn, Hye Jung" sort="Youn, Hye Jung" uniqKey="Youn H" first="Hye Jung" last="Youn">Hye Jung Youn</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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