Improved thermal insulation and compressive property of bimodal poly (lactic acid)/cellulose nanocomposite foams
In this work, an innovative PLA/CNF nanocomposite foam with a bimodal cell structure is prepared by a simple one-step depressurization foaming process using only supercritical carbon dioxide (ScCO2) as the foaming agent. Only at a specific foaming temperature, PLA/CNF nanocomposites foam with a bimo...
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| Veröffentlicht in: | Carbohydrate polymers 2023-02, Vol.302, p.120419-120419, Article 120419 |
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| container_title | Carbohydrate polymers |
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| creator | Ren, Qian Li, Wanwan Cui, Shijie Ma, Wenyu Zhu, Xiuyu Wu, Minghui Wang, Long Zheng, Wenge Semba, Takeshi Ohshima, Masahiro |
| description | In this work, an innovative PLA/CNF nanocomposite foam with a bimodal cell structure is prepared by a simple one-step depressurization foaming process using only supercritical carbon dioxide (ScCO2) as the foaming agent. Only at a specific foaming temperature, PLA/CNF nanocomposites foam with a bimodal cell structure could be obtained. According to the different crystallization kinetics and nucleation efficiency of samples, it was inferred that the crystallization rate and phase interface would affect the cell structure. The prepared PLA/CNF nanocomposite foam with a bimodal cell structure had an expansion ratio as high as 20 times and thermal conductivity of 0.041 w m−1 k−1, which exhibited low density and excellent thermal-insulation property. Meanwhile, the PLA/CNF nanocomposite foam exhibited excellent compression performance due to the presence of CNFs, which showed promising application in packaging and construction materials. |
| doi_str_mv | 10.1016/j.carbpol.2022.120419 |
| format | Article |
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Only at a specific foaming temperature, PLA/CNF nanocomposites foam with a bimodal cell structure could be obtained. According to the different crystallization kinetics and nucleation efficiency of samples, it was inferred that the crystallization rate and phase interface would affect the cell structure. The prepared PLA/CNF nanocomposite foam with a bimodal cell structure had an expansion ratio as high as 20 times and thermal conductivity of 0.041 w m−1 k−1, which exhibited low density and excellent thermal-insulation property. Meanwhile, the PLA/CNF nanocomposite foam exhibited excellent compression performance due to the presence of CNFs, which showed promising application in packaging and construction materials.</description><identifier>ISSN: 0144-8617</identifier><identifier>EISSN: 1879-1344</identifier><identifier>DOI: 10.1016/j.carbpol.2022.120419</identifier><identifier>PMID: 36604081</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>carbohydrates ; carbon dioxide ; cell structures ; Cellulose - chemistry ; Cellulose nanofibers ; Compressive property ; crystallization ; foams ; insulating materials ; Lactic Acid ; nanocomposites ; Nanocomposites - chemistry ; Poly (lactic acid) ; Polyesters - chemistry ; Pressure ; Supercritical foaming ; temperature ; thermal conductivity ; Thermal insulation</subject><ispartof>Carbohydrate polymers, 2023-02, Vol.302, p.120419-120419, Article 120419</ispartof><rights>2022 Elsevier Ltd</rights><rights>Copyright © 2022 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c445t-9eb8cf69392004b1ce0e07ab8c93ccf60df43697ac38f5bb4e614d9288760c6c3</citedby><cites>FETCH-LOGICAL-c445t-9eb8cf69392004b1ce0e07ab8c93ccf60df43697ac38f5bb4e614d9288760c6c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0144861722013248$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36604081$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ren, Qian</creatorcontrib><creatorcontrib>Li, Wanwan</creatorcontrib><creatorcontrib>Cui, Shijie</creatorcontrib><creatorcontrib>Ma, Wenyu</creatorcontrib><creatorcontrib>Zhu, Xiuyu</creatorcontrib><creatorcontrib>Wu, Minghui</creatorcontrib><creatorcontrib>Wang, Long</creatorcontrib><creatorcontrib>Zheng, Wenge</creatorcontrib><creatorcontrib>Semba, Takeshi</creatorcontrib><creatorcontrib>Ohshima, Masahiro</creatorcontrib><title>Improved thermal insulation and compressive property of bimodal poly (lactic acid)/cellulose nanocomposite foams</title><title>Carbohydrate polymers</title><addtitle>Carbohydr Polym</addtitle><description>In this work, an innovative PLA/CNF nanocomposite foam with a bimodal cell structure is prepared by a simple one-step depressurization foaming process using only supercritical carbon dioxide (ScCO2) as the foaming agent. Only at a specific foaming temperature, PLA/CNF nanocomposites foam with a bimodal cell structure could be obtained. According to the different crystallization kinetics and nucleation efficiency of samples, it was inferred that the crystallization rate and phase interface would affect the cell structure. The prepared PLA/CNF nanocomposite foam with a bimodal cell structure had an expansion ratio as high as 20 times and thermal conductivity of 0.041 w m−1 k−1, which exhibited low density and excellent thermal-insulation property. Meanwhile, the PLA/CNF nanocomposite foam exhibited excellent compression performance due to the presence of CNFs, which showed promising application in packaging and construction materials.</description><subject>carbohydrates</subject><subject>carbon dioxide</subject><subject>cell structures</subject><subject>Cellulose - chemistry</subject><subject>Cellulose nanofibers</subject><subject>Compressive property</subject><subject>crystallization</subject><subject>foams</subject><subject>insulating materials</subject><subject>Lactic Acid</subject><subject>nanocomposites</subject><subject>Nanocomposites - chemistry</subject><subject>Poly (lactic acid)</subject><subject>Polyesters - chemistry</subject><subject>Pressure</subject><subject>Supercritical foaming</subject><subject>temperature</subject><subject>thermal conductivity</subject><subject>Thermal insulation</subject><issn>0144-8617</issn><issn>1879-1344</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkcFu3CAQhlGVqtmkfYRWHNODN2AwhlMVRWkSKVIv7RnhYayyso0L9kr79mG121zDBQm-mfk1HyFfOdtyxtXtbgsudXMctjWr6y2vmeTmA9lw3ZqKCykvyIZxKSuteHtJrnLesXIUZ5_IpVCKSab5hszP45ziHj1d_mIa3UDDlNfBLSFO1E2eQiwA5hz2SAs5Y1oONPa0C2P0BS8JDvRmcLAEoA6C_34LOAzrEDPSyU3x2CDmsCDtoxvzZ_Kxd0PGL-f7mvz5-fD7_ql6-fX4fH_3UoGUzVIZ7DT0yghTMyY7DsiQta48GgHlg_leCmVaB0L3TddJVFx6U2vdKgYKxDW5OfUtof-tmBc7hnxM5iaMa7aCN0KXFejmXbRuFTetqqUuaHNCIcWcE_Z2TmF06WA5s0cvdmfPXuzRiz15KXXfziPWbkT_VvVfRAF-nAAsO9kHTDZDwAnQh4SwWB_DOyNeAXy1ots</recordid><startdate>20230215</startdate><enddate>20230215</enddate><creator>Ren, Qian</creator><creator>Li, Wanwan</creator><creator>Cui, Shijie</creator><creator>Ma, Wenyu</creator><creator>Zhu, Xiuyu</creator><creator>Wu, Minghui</creator><creator>Wang, Long</creator><creator>Zheng, Wenge</creator><creator>Semba, Takeshi</creator><creator>Ohshima, Masahiro</creator><general>Elsevier Ltd</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>7S9</scope><scope>L.6</scope></search><sort><creationdate>20230215</creationdate><title>Improved thermal insulation and compressive property of bimodal poly (lactic acid)/cellulose nanocomposite foams</title><author>Ren, Qian ; 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Only at a specific foaming temperature, PLA/CNF nanocomposites foam with a bimodal cell structure could be obtained. According to the different crystallization kinetics and nucleation efficiency of samples, it was inferred that the crystallization rate and phase interface would affect the cell structure. The prepared PLA/CNF nanocomposite foam with a bimodal cell structure had an expansion ratio as high as 20 times and thermal conductivity of 0.041 w m−1 k−1, which exhibited low density and excellent thermal-insulation property. Meanwhile, the PLA/CNF nanocomposite foam exhibited excellent compression performance due to the presence of CNFs, which showed promising application in packaging and construction materials.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>36604081</pmid><doi>10.1016/j.carbpol.2022.120419</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | carbohydrates carbon dioxide cell structures Cellulose - chemistry Cellulose nanofibers Compressive property crystallization foams insulating materials Lactic Acid nanocomposites Nanocomposites - chemistry Poly (lactic acid) Polyesters - chemistry Pressure Supercritical foaming temperature thermal conductivity Thermal insulation |
| title | Improved thermal insulation and compressive property of bimodal poly (lactic acid)/cellulose nanocomposite foams |
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