The Role of the Interface of PLA with Thermoplastic Starch in the Nonisothermal Crystallization Behavior of PLA in PLA/Thermoplastic Starch/SiO2 Composites
Corn starch was plasticized by glycerol suspension in a twin-screw extruder, in which the glycerol suspension was the pre-dispersion mixture of glycerol with nano-SiO2. Polylactide (PLA)/thermoplastic starch/SiO2 composites were obtained through melt-blending of PLA with thermoplastic starch/SiO2 in...
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| Veröffentlicht in: | Polymers 2023-03, Vol.15 (6), p.1579 |
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| creator | Li, Deling Luo, Congcong Zhou, Jun Dong, Liming Chen, Ying Liu, Guangtian Qiao, Shuyun |
| description | Corn starch was plasticized by glycerol suspension in a twin-screw extruder, in which the glycerol suspension was the pre-dispersion mixture of glycerol with nano-SiO2. Polylactide (PLA)/thermoplastic starch/SiO2 composites were obtained through melt-blending of PLA with thermoplastic starch/SiO2 in a twin-screw extruder. The nonisothermal crystallization behavior of PLA in the composites was investigated by differential scanning calorimetry. An interface of PLA with thermoplastic starch was proven to exist in the composites, and its interfacial bonding characteristics were analyzed. The interfacial binding energy stemming from PLA with thermoplastic starch exerts a significant influence on the segmental mobility of PLA at the interface. The segmental mobility of PLA is gradually improved by increasing interfacial binding energy, and consequently, the relative crystallinity on the interface exhibits progressive promotion. The Jeziorny model could well describe the primary crystallization of PLA in the composites. The extracted Avrami exponents based on the Jeziorny model indicate that the primary crystallization of PLA follows heterogeneous nucleation and three-dimensional growth. This study has revealed the intrinsic effect of the interfacial segmental mobility on the nonisothermal crystallization behavior of PLA in composites, which is of technological significance for its blow molding. |
| doi_str_mv | 10.3390/polym15061579 |
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Polylactide (PLA)/thermoplastic starch/SiO2 composites were obtained through melt-blending of PLA with thermoplastic starch/SiO2 in a twin-screw extruder. The nonisothermal crystallization behavior of PLA in the composites was investigated by differential scanning calorimetry. An interface of PLA with thermoplastic starch was proven to exist in the composites, and its interfacial bonding characteristics were analyzed. The interfacial binding energy stemming from PLA with thermoplastic starch exerts a significant influence on the segmental mobility of PLA at the interface. The segmental mobility of PLA is gradually improved by increasing interfacial binding energy, and consequently, the relative crystallinity on the interface exhibits progressive promotion. The Jeziorny model could well describe the primary crystallization of PLA in the composites. The extracted Avrami exponents based on the Jeziorny model indicate that the primary crystallization of PLA follows heterogeneous nucleation and three-dimensional growth. This study has revealed the intrinsic effect of the interfacial segmental mobility on the nonisothermal crystallization behavior of PLA in composites, which is of technological significance for its blow molding.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym15061579</identifier><identifier>PMID: 36987358</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Binding energy ; Bioplastics ; Blow molding ; Composite materials ; Cooling ; Crystallization ; Data collection ; Equilibrium ; Glycerol ; Hydrogen bonds ; Interfacial bonding ; Melt blending ; Nucleation ; Polylactic acid ; Polymers ; Silicon dioxide ; Simulation ; Tensile strength ; Twin screw extruders</subject><ispartof>Polymers, 2023-03, Vol.15 (6), p.1579</ispartof><rights>2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2023 by the authors. 2023</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c393t-170702026477a825babdb140b633482f8934c4f20559f3d006dfaee0a24c460f3</citedby><cites>FETCH-LOGICAL-c393t-170702026477a825babdb140b633482f8934c4f20559f3d006dfaee0a24c460f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10052106/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10052106/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids></links><search><creatorcontrib>Li, Deling</creatorcontrib><creatorcontrib>Luo, Congcong</creatorcontrib><creatorcontrib>Zhou, Jun</creatorcontrib><creatorcontrib>Dong, Liming</creatorcontrib><creatorcontrib>Chen, Ying</creatorcontrib><creatorcontrib>Liu, Guangtian</creatorcontrib><creatorcontrib>Qiao, Shuyun</creatorcontrib><title>The Role of the Interface of PLA with Thermoplastic Starch in the Nonisothermal Crystallization Behavior of PLA in PLA/Thermoplastic Starch/SiO2 Composites</title><title>Polymers</title><description>Corn starch was plasticized by glycerol suspension in a twin-screw extruder, in which the glycerol suspension was the pre-dispersion mixture of glycerol with nano-SiO2. Polylactide (PLA)/thermoplastic starch/SiO2 composites were obtained through melt-blending of PLA with thermoplastic starch/SiO2 in a twin-screw extruder. The nonisothermal crystallization behavior of PLA in the composites was investigated by differential scanning calorimetry. An interface of PLA with thermoplastic starch was proven to exist in the composites, and its interfacial bonding characteristics were analyzed. The interfacial binding energy stemming from PLA with thermoplastic starch exerts a significant influence on the segmental mobility of PLA at the interface. The segmental mobility of PLA is gradually improved by increasing interfacial binding energy, and consequently, the relative crystallinity on the interface exhibits progressive promotion. The Jeziorny model could well describe the primary crystallization of PLA in the composites. The extracted Avrami exponents based on the Jeziorny model indicate that the primary crystallization of PLA follows heterogeneous nucleation and three-dimensional growth. This study has revealed the intrinsic effect of the interfacial segmental mobility on the nonisothermal crystallization behavior of PLA in composites, which is of technological significance for its blow molding.</description><subject>Binding energy</subject><subject>Bioplastics</subject><subject>Blow molding</subject><subject>Composite materials</subject><subject>Cooling</subject><subject>Crystallization</subject><subject>Data collection</subject><subject>Equilibrium</subject><subject>Glycerol</subject><subject>Hydrogen bonds</subject><subject>Interfacial bonding</subject><subject>Melt blending</subject><subject>Nucleation</subject><subject>Polylactic acid</subject><subject>Polymers</subject><subject>Silicon dioxide</subject><subject>Simulation</subject><subject>Tensile strength</subject><subject>Twin screw extruders</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNptkU1v1DAQhi1ERattj9wtceESdmzHdnJCZcVHpRWtaDlbTtYmrpw42N6i5a_0z9bbFkRR5zKjmWdezehF6DWBd4y1sJyD342EgyBcti_QEQXJqpoJePlPfYhOUrqGEjUXgshX6JCJtpGMN0fo9mow-FvwBgeLc6nPpmyi1f1942J9in-5POBCxTHMXqfsenyZdewH7Kb7ja9hcinkPaE9XsVdytp791tnFyb8wQz6xoX4R64slbR8TnB56c4pXoVxDsllk47RgdU-mZPHvEDfP328Wn2p1uefz1an66pnLcsVkSCBAhW1lLqhvNPdpiM1dIKxuqG2aVnd15YC561lGwCxsdoY0LS0BVi2QO8fdOdtN5pNb6YctVdzdKOOOxW0U08nkxvUj3CjCACnBERRePuoEMPPrUlZjS71xns9mbBNisqW1q3kxZIFevMfeh22cSr_7anyCyGMFqp6oPoYUorG_r2GgNpbr55Yz-4ACTmhcA</recordid><startdate>20230322</startdate><enddate>20230322</enddate><creator>Li, Deling</creator><creator>Luo, Congcong</creator><creator>Zhou, Jun</creator><creator>Dong, Liming</creator><creator>Chen, Ying</creator><creator>Liu, Guangtian</creator><creator>Qiao, Shuyun</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20230322</creationdate><title>The Role of the Interface of PLA with Thermoplastic Starch in the Nonisothermal Crystallization Behavior of PLA in PLA/Thermoplastic Starch/SiO2 Composites</title><author>Li, Deling ; Luo, Congcong ; Zhou, Jun ; Dong, Liming ; Chen, Ying ; Liu, Guangtian ; Qiao, Shuyun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-170702026477a825babdb140b633482f8934c4f20559f3d006dfaee0a24c460f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Binding energy</topic><topic>Bioplastics</topic><topic>Blow molding</topic><topic>Composite materials</topic><topic>Cooling</topic><topic>Crystallization</topic><topic>Data collection</topic><topic>Equilibrium</topic><topic>Glycerol</topic><topic>Hydrogen bonds</topic><topic>Interfacial bonding</topic><topic>Melt blending</topic><topic>Nucleation</topic><topic>Polylactic acid</topic><topic>Polymers</topic><topic>Silicon dioxide</topic><topic>Simulation</topic><topic>Tensile strength</topic><topic>Twin screw extruders</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Deling</creatorcontrib><creatorcontrib>Luo, Congcong</creatorcontrib><creatorcontrib>Zhou, Jun</creatorcontrib><creatorcontrib>Dong, Liming</creatorcontrib><creatorcontrib>Chen, Ying</creatorcontrib><creatorcontrib>Liu, Guangtian</creatorcontrib><creatorcontrib>Qiao, Shuyun</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Deling</au><au>Luo, Congcong</au><au>Zhou, Jun</au><au>Dong, Liming</au><au>Chen, Ying</au><au>Liu, Guangtian</au><au>Qiao, Shuyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Role of the Interface of PLA with Thermoplastic Starch in the Nonisothermal Crystallization Behavior of PLA in PLA/Thermoplastic Starch/SiO2 Composites</atitle><jtitle>Polymers</jtitle><date>2023-03-22</date><risdate>2023</risdate><volume>15</volume><issue>6</issue><spage>1579</spage><pages>1579-</pages><issn>2073-4360</issn><eissn>2073-4360</eissn><abstract>Corn starch was plasticized by glycerol suspension in a twin-screw extruder, in which the glycerol suspension was the pre-dispersion mixture of glycerol with nano-SiO2. Polylactide (PLA)/thermoplastic starch/SiO2 composites were obtained through melt-blending of PLA with thermoplastic starch/SiO2 in a twin-screw extruder. The nonisothermal crystallization behavior of PLA in the composites was investigated by differential scanning calorimetry. An interface of PLA with thermoplastic starch was proven to exist in the composites, and its interfacial bonding characteristics were analyzed. The interfacial binding energy stemming from PLA with thermoplastic starch exerts a significant influence on the segmental mobility of PLA at the interface. The segmental mobility of PLA is gradually improved by increasing interfacial binding energy, and consequently, the relative crystallinity on the interface exhibits progressive promotion. The Jeziorny model could well describe the primary crystallization of PLA in the composites. The extracted Avrami exponents based on the Jeziorny model indicate that the primary crystallization of PLA follows heterogeneous nucleation and three-dimensional growth. This study has revealed the intrinsic effect of the interfacial segmental mobility on the nonisothermal crystallization behavior of PLA in composites, which is of technological significance for its blow molding.</abstract><cop>Basel</cop><pub>MDPI AG</pub><pmid>36987358</pmid><doi>10.3390/polym15061579</doi><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; PubMed Central |
| subjects | Binding energy Bioplastics Blow molding Composite materials Cooling Crystallization Data collection Equilibrium Glycerol Hydrogen bonds Interfacial bonding Melt blending Nucleation Polylactic acid Polymers Silicon dioxide Simulation Tensile strength Twin screw extruders |
| title | The Role of the Interface of PLA with Thermoplastic Starch in the Nonisothermal Crystallization Behavior of PLA in PLA/Thermoplastic Starch/SiO2 Composites |
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