Morphological, Mechanical, and Crystallization Behavior of Polylactide/Polycaprolactone Blends Compatibilized by l‑Lactide/Caprolactone Copolymer
l-Lactide/caprolactone copolymer (LACL) was employed as a compatibilizer in the immiscible blends of polylactide (PLA) and polycaprolactone (PCL). Films of neat PLA, PLA/PCL blend, and PLA/PCL/LACL blends were prepared by solution casting and conditioning compression. The effects of LACL on the morp...
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| Veröffentlicht in: | Industrial & engineering chemistry research 2015-09, Vol.54 (38), p.9505-9511 |
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| creator | Zhang, Chunmei Zhai, Tianliang Turng, Lih-Sheng Dan, Yi |
| description | l-Lactide/caprolactone copolymer (LACL) was employed as a compatibilizer in the immiscible blends of polylactide (PLA) and polycaprolactone (PCL). Films of neat PLA, PLA/PCL blend, and PLA/PCL/LACL blends were prepared by solution casting and conditioning compression. The effects of LACL on the morphology, mechanical properties, and crystallization behaviors of the blends were investigated. The addition of LACL decreased the dimensions of the dispersed PCL domains in the ternary blends. The ultimate strain of the blend with 5% LACL was significantly improved and was accompanied by a small drop in tensile strength and modulus. Both the nonisothermal and isothermal cold crystallization of PLA were enhanced by PCL, and further improved by incorporating LACL. Polarized optical microscopy observation showed that the size of crystals decreased with the addition of PCL and LACL. |
| doi_str_mv | 10.1021/acs.iecr.5b02134 |
| format | Article |
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Films of neat PLA, PLA/PCL blend, and PLA/PCL/LACL blends were prepared by solution casting and conditioning compression. The effects of LACL on the morphology, mechanical properties, and crystallization behaviors of the blends were investigated. The addition of LACL decreased the dimensions of the dispersed PCL domains in the ternary blends. The ultimate strain of the blend with 5% LACL was significantly improved and was accompanied by a small drop in tensile strength and modulus. Both the nonisothermal and isothermal cold crystallization of PLA were enhanced by PCL, and further improved by incorporating LACL. Polarized optical microscopy observation showed that the size of crystals decreased with the addition of PCL and LACL.</description><identifier>ISSN: 0888-5885</identifier><identifier>EISSN: 1520-5045</identifier><identifier>DOI: 10.1021/acs.iecr.5b02134</identifier><language>eng</language><publisher>American Chemical Society</publisher><subject>Blends ; Compatibility ; Copolymers ; Crystallization ; Optical microscopy ; Polycaprolactone ; Polylactides ; Polymer blends</subject><ispartof>Industrial & engineering chemistry research, 2015-09, Vol.54 (38), p.9505-9511</ispartof><rights>Copyright © 2015 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a416t-1b4c61e496e93952048a5ff34d1459d17f9dd1ef6c9eda93b5f865b820b5c40b3</citedby><cites>FETCH-LOGICAL-a416t-1b4c61e496e93952048a5ff34d1459d17f9dd1ef6c9eda93b5f865b820b5c40b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/acs.iecr.5b02134$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acs.iecr.5b02134$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids></links><search><creatorcontrib>Zhang, Chunmei</creatorcontrib><creatorcontrib>Zhai, Tianliang</creatorcontrib><creatorcontrib>Turng, Lih-Sheng</creatorcontrib><creatorcontrib>Dan, Yi</creatorcontrib><title>Morphological, Mechanical, and Crystallization Behavior of Polylactide/Polycaprolactone Blends Compatibilized by l‑Lactide/Caprolactone Copolymer</title><title>Industrial & engineering chemistry research</title><addtitle>Ind. Eng. Chem. Res</addtitle><description>l-Lactide/caprolactone copolymer (LACL) was employed as a compatibilizer in the immiscible blends of polylactide (PLA) and polycaprolactone (PCL). Films of neat PLA, PLA/PCL blend, and PLA/PCL/LACL blends were prepared by solution casting and conditioning compression. The effects of LACL on the morphology, mechanical properties, and crystallization behaviors of the blends were investigated. The addition of LACL decreased the dimensions of the dispersed PCL domains in the ternary blends. The ultimate strain of the blend with 5% LACL was significantly improved and was accompanied by a small drop in tensile strength and modulus. Both the nonisothermal and isothermal cold crystallization of PLA were enhanced by PCL, and further improved by incorporating LACL. Polarized optical microscopy observation showed that the size of crystals decreased with the addition of PCL and LACL.</description><subject>Blends</subject><subject>Compatibility</subject><subject>Copolymers</subject><subject>Crystallization</subject><subject>Optical microscopy</subject><subject>Polycaprolactone</subject><subject>Polylactides</subject><subject>Polymer blends</subject><issn>0888-5885</issn><issn>1520-5045</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kL1OwzAUhS0EEqWwM3pkaFq7sfMz0og_qRUMMEeOfUNduXGwU6Qy8QqIN-RJcJQOLEz3Xvt8R_cehC4pmVIypzMh_VSDdFNehTFmR2hE-ZxEnDB-jEYky7KIZxk_RWfebwghnDM2Qt8r69q1NfZVS2EmeAVyLZqhF43Chdv7ThijP0SnbYMXsBbv2jpsa_xkzd4I2WkFs76XonW2f7AN4IWBRnlc2G0byEoHB1C42mPz8_m1PFDFX6KwbTDZgjtHJ7UwHi4OdYxebm-ei_to-Xj3UFwvI8Fo0kW0YjKhwPIE8jgPt7JM8LqOmaKM54qmda4UhTqROSiRxxWvs4RX2ZxUXDJSxWN0NfiGJd524Ltyq70EY0QDdudLmqZkniY0T4KUDFLprPcO6rJ1eivcvqSk7PMvQ_5ln395yD8gkwHpfzZ255pwy__yX9iGjhw</recordid><startdate>20150930</startdate><enddate>20150930</enddate><creator>Zhang, Chunmei</creator><creator>Zhai, Tianliang</creator><creator>Turng, Lih-Sheng</creator><creator>Dan, Yi</creator><general>American Chemical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20150930</creationdate><title>Morphological, Mechanical, and Crystallization Behavior of Polylactide/Polycaprolactone Blends Compatibilized by l‑Lactide/Caprolactone Copolymer</title><author>Zhang, Chunmei ; Zhai, Tianliang ; Turng, Lih-Sheng ; Dan, Yi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a416t-1b4c61e496e93952048a5ff34d1459d17f9dd1ef6c9eda93b5f865b820b5c40b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Blends</topic><topic>Compatibility</topic><topic>Copolymers</topic><topic>Crystallization</topic><topic>Optical microscopy</topic><topic>Polycaprolactone</topic><topic>Polylactides</topic><topic>Polymer blends</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Chunmei</creatorcontrib><creatorcontrib>Zhai, Tianliang</creatorcontrib><creatorcontrib>Turng, Lih-Sheng</creatorcontrib><creatorcontrib>Dan, Yi</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Industrial & engineering chemistry research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Chunmei</au><au>Zhai, Tianliang</au><au>Turng, Lih-Sheng</au><au>Dan, Yi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Morphological, Mechanical, and Crystallization Behavior of Polylactide/Polycaprolactone Blends Compatibilized by l‑Lactide/Caprolactone Copolymer</atitle><jtitle>Industrial & engineering chemistry research</jtitle><addtitle>Ind. Eng. Chem. Res</addtitle><date>2015-09-30</date><risdate>2015</risdate><volume>54</volume><issue>38</issue><spage>9505</spage><epage>9511</epage><pages>9505-9511</pages><issn>0888-5885</issn><eissn>1520-5045</eissn><abstract>l-Lactide/caprolactone copolymer (LACL) was employed as a compatibilizer in the immiscible blends of polylactide (PLA) and polycaprolactone (PCL). Films of neat PLA, PLA/PCL blend, and PLA/PCL/LACL blends were prepared by solution casting and conditioning compression. The effects of LACL on the morphology, mechanical properties, and crystallization behaviors of the blends were investigated. The addition of LACL decreased the dimensions of the dispersed PCL domains in the ternary blends. The ultimate strain of the blend with 5% LACL was significantly improved and was accompanied by a small drop in tensile strength and modulus. Both the nonisothermal and isothermal cold crystallization of PLA were enhanced by PCL, and further improved by incorporating LACL. Polarized optical microscopy observation showed that the size of crystals decreased with the addition of PCL and LACL.</abstract><pub>American Chemical Society</pub><doi>10.1021/acs.iecr.5b02134</doi><tpages>7</tpages></addata></record> |
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| source | ACS Publications |
| subjects | Blends Compatibility Copolymers Crystallization Optical microscopy Polycaprolactone Polylactides Polymer blends |
| title | Morphological, Mechanical, and Crystallization Behavior of Polylactide/Polycaprolactone Blends Compatibilized by l‑Lactide/Caprolactone Copolymer |
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