Evolution of extractive composition in thermally modified Scots pine during artificial weathering
In order to clarify the evolution and role of extractives in thermally modified wood during the process of weathering, the compositions of acetone extractives from thermally modified Scots pine after exposure in an accelerated weathering tester for different durations were determined using gas chrom...
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| Veröffentlicht in: | Holzforschung 2019-08, Vol.73 (8), p.747-755 |
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| creator | Shen, Haiying Xu, Jiaqi Cao, Jinzhen Jiang, Jun Zhang, Shaodi Xue, Jing Zhang, Liangliang |
| description | In order to clarify the evolution and role of extractives in thermally modified wood during the process of weathering, the compositions of acetone extractives from thermally modified Scots pine after exposure in an accelerated weathering tester for different durations were determined using gas chromatography-mass spectrometry (GC-MS). Fatty acids and phenolics were proved to be the main types of extractives in weathered thermally modified Scots pine, and some sugars, terpenes and alcohols were also collected. With the progress of weathering, the content of fatty acids decreases significantly while that of phenolics increases. The reduction or even elimination of the fatty acids is presumed to be a physical process, namely, a discharge from wood during exposure to radiation and elevated temperature. The increase of phenolic extractives is mainly due to the photodegradation of other wood components. Phenolic degradation products play the role as a “barrier” against further photodegradation of thermally modified wood, among which vanillin or its derivatives appeared to be the most predominant and important ones. |
| doi_str_mv | 10.1515/hf-2018-0216 |
| format | Article |
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Fatty acids and phenolics were proved to be the main types of extractives in weathered thermally modified Scots pine, and some sugars, terpenes and alcohols were also collected. With the progress of weathering, the content of fatty acids decreases significantly while that of phenolics increases. The reduction or even elimination of the fatty acids is presumed to be a physical process, namely, a discharge from wood during exposure to radiation and elevated temperature. The increase of phenolic extractives is mainly due to the photodegradation of other wood components. Phenolic degradation products play the role as a “barrier” against further photodegradation of thermally modified wood, among which vanillin or its derivatives appeared to be the most predominant and important ones.</description><identifier>ISSN: 0018-3830</identifier><identifier>EISSN: 1437-434X</identifier><identifier>DOI: 10.1515/hf-2018-0216</identifier><language>eng</language><publisher>Berlin: De Gruyter</publisher><subject>Accelerated tests ; Acetone ; Alcohols ; Artificial weathering tests ; Composition ; Degradation products ; Evolution ; Exposure ; extractive ; Fatty acids ; Gas chromatography ; GC-MS ; High temperature ; Mass spectrometry ; Mass spectroscopy ; Phenolic compounds ; phenolics ; Phenols ; Photodegradation ; Pine trees ; Pinus sylvestris ; Radiation ; Radiation effects ; Sugar ; Terpenes ; thermally modified wood ; Vanillin ; Weathering ; Wood</subject><ispartof>Holzforschung, 2019-08, Vol.73 (8), p.747-755</ispartof><rights>2019 Walter de Gruyter GmbH, Berlin/Boston</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c351t-f3e38f493a84f4c583761680604817ed355fe6b9c8e56134df8a2c04f333a6653</citedby><cites>FETCH-LOGICAL-c351t-f3e38f493a84f4c583761680604817ed355fe6b9c8e56134df8a2c04f333a6653</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.degruyter.com/document/doi/10.1515/hf-2018-0216/pdf$$EPDF$$P50$$Gwalterdegruyter$$H</linktopdf><linktohtml>$$Uhttps://www.degruyter.com/document/doi/10.1515/hf-2018-0216/html$$EHTML$$P50$$Gwalterdegruyter$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,66524,68308</link.rule.ids></links><search><creatorcontrib>Shen, Haiying</creatorcontrib><creatorcontrib>Xu, Jiaqi</creatorcontrib><creatorcontrib>Cao, Jinzhen</creatorcontrib><creatorcontrib>Jiang, Jun</creatorcontrib><creatorcontrib>Zhang, Shaodi</creatorcontrib><creatorcontrib>Xue, Jing</creatorcontrib><creatorcontrib>Zhang, Liangliang</creatorcontrib><title>Evolution of extractive composition in thermally modified Scots pine during artificial weathering</title><title>Holzforschung</title><description>In order to clarify the evolution and role of extractives in thermally modified wood during the process of weathering, the compositions of acetone extractives from thermally modified Scots pine after exposure in an accelerated weathering tester for different durations were determined using gas chromatography-mass spectrometry (GC-MS). Fatty acids and phenolics were proved to be the main types of extractives in weathered thermally modified Scots pine, and some sugars, terpenes and alcohols were also collected. With the progress of weathering, the content of fatty acids decreases significantly while that of phenolics increases. The reduction or even elimination of the fatty acids is presumed to be a physical process, namely, a discharge from wood during exposure to radiation and elevated temperature. The increase of phenolic extractives is mainly due to the photodegradation of other wood components. Phenolic degradation products play the role as a “barrier” against further photodegradation of thermally modified wood, among which vanillin or its derivatives appeared to be the most predominant and important ones.</description><subject>Accelerated tests</subject><subject>Acetone</subject><subject>Alcohols</subject><subject>Artificial weathering tests</subject><subject>Composition</subject><subject>Degradation products</subject><subject>Evolution</subject><subject>Exposure</subject><subject>extractive</subject><subject>Fatty acids</subject><subject>Gas chromatography</subject><subject>GC-MS</subject><subject>High temperature</subject><subject>Mass spectrometry</subject><subject>Mass spectroscopy</subject><subject>Phenolic compounds</subject><subject>phenolics</subject><subject>Phenols</subject><subject>Photodegradation</subject><subject>Pine trees</subject><subject>Pinus sylvestris</subject><subject>Radiation</subject><subject>Radiation effects</subject><subject>Sugar</subject><subject>Terpenes</subject><subject>thermally modified wood</subject><subject>Vanillin</subject><subject>Weathering</subject><subject>Wood</subject><issn>0018-3830</issn><issn>1437-434X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNptUMtOwzAQtBBIlMKND7DElYCdtROXG6p4SZU4ABI3yzh26yqJg-209O9JKBIXTrs7MzurHYTOKbminPLrlc1yQkVGclocoAllUGYM2PshmpARBwHkGJ3EuB5GToBOkLrb-LpPzrfYW2y-UlA6uY3B2jedj-6HcS1OKxMaVdc73PjKWWcq_KJ9irhzrcFVH1y7xCqkgdJO1Xhr1LgyoKfoyKo6mrPfOkVv93ev88ds8fzwNL9dZBo4TZkFA8KyGSjBLNNcQFnQQpCCMEFLUwHn1hQfMy0MLyiwygqVa8IsAKii4DBFF3vfLvjP3sQk174P7XBS5kyI4fWSjKrLvUoHH2MwVnbBNSrsJCVyDFGurBxDlGOIg_xmL9-qOplQmWXod0Pz5_3fWgmiZCV8Ayj0eGA</recordid><startdate>20190801</startdate><enddate>20190801</enddate><creator>Shen, Haiying</creator><creator>Xu, Jiaqi</creator><creator>Cao, Jinzhen</creator><creator>Jiang, Jun</creator><creator>Zhang, Shaodi</creator><creator>Xue, Jing</creator><creator>Zhang, Liangliang</creator><general>De Gruyter</general><general>Walter de Gruyter GmbH</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>20190801</creationdate><title>Evolution of extractive composition in thermally modified Scots pine during artificial weathering</title><author>Shen, Haiying ; Xu, Jiaqi ; Cao, Jinzhen ; Jiang, Jun ; Zhang, Shaodi ; Xue, Jing ; Zhang, Liangliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-f3e38f493a84f4c583761680604817ed355fe6b9c8e56134df8a2c04f333a6653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Accelerated tests</topic><topic>Acetone</topic><topic>Alcohols</topic><topic>Artificial weathering tests</topic><topic>Composition</topic><topic>Degradation products</topic><topic>Evolution</topic><topic>Exposure</topic><topic>extractive</topic><topic>Fatty acids</topic><topic>Gas chromatography</topic><topic>GC-MS</topic><topic>High temperature</topic><topic>Mass spectrometry</topic><topic>Mass spectroscopy</topic><topic>Phenolic compounds</topic><topic>phenolics</topic><topic>Phenols</topic><topic>Photodegradation</topic><topic>Pine trees</topic><topic>Pinus sylvestris</topic><topic>Radiation</topic><topic>Radiation effects</topic><topic>Sugar</topic><topic>Terpenes</topic><topic>thermally modified wood</topic><topic>Vanillin</topic><topic>Weathering</topic><topic>Wood</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shen, Haiying</creatorcontrib><creatorcontrib>Xu, Jiaqi</creatorcontrib><creatorcontrib>Cao, Jinzhen</creatorcontrib><creatorcontrib>Jiang, Jun</creatorcontrib><creatorcontrib>Zhang, Shaodi</creatorcontrib><creatorcontrib>Xue, Jing</creatorcontrib><creatorcontrib>Zhang, Liangliang</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Holzforschung</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shen, Haiying</au><au>Xu, Jiaqi</au><au>Cao, Jinzhen</au><au>Jiang, Jun</au><au>Zhang, Shaodi</au><au>Xue, Jing</au><au>Zhang, Liangliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evolution of extractive composition in thermally modified Scots pine during artificial weathering</atitle><jtitle>Holzforschung</jtitle><date>2019-08-01</date><risdate>2019</risdate><volume>73</volume><issue>8</issue><spage>747</spage><epage>755</epage><pages>747-755</pages><issn>0018-3830</issn><eissn>1437-434X</eissn><abstract>In order to clarify the evolution and role of extractives in thermally modified wood during the process of weathering, the compositions of acetone extractives from thermally modified Scots pine after exposure in an accelerated weathering tester for different durations were determined using gas chromatography-mass spectrometry (GC-MS). Fatty acids and phenolics were proved to be the main types of extractives in weathered thermally modified Scots pine, and some sugars, terpenes and alcohols were also collected. With the progress of weathering, the content of fatty acids decreases significantly while that of phenolics increases. The reduction or even elimination of the fatty acids is presumed to be a physical process, namely, a discharge from wood during exposure to radiation and elevated temperature. The increase of phenolic extractives is mainly due to the photodegradation of other wood components. Phenolic degradation products play the role as a “barrier” against further photodegradation of thermally modified wood, among which vanillin or its derivatives appeared to be the most predominant and important ones.</abstract><cop>Berlin</cop><pub>De Gruyter</pub><doi>10.1515/hf-2018-0216</doi><tpages>9</tpages></addata></record> |
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| subjects | Accelerated tests Acetone Alcohols Artificial weathering tests Composition Degradation products Evolution Exposure extractive Fatty acids Gas chromatography GC-MS High temperature Mass spectrometry Mass spectroscopy Phenolic compounds phenolics Phenols Photodegradation Pine trees Pinus sylvestris Radiation Radiation effects Sugar Terpenes thermally modified wood Vanillin Weathering Wood |
| title | Evolution of extractive composition in thermally modified Scots pine during artificial weathering |
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