Non-isothermal cold crystallization behavior and kinetics of poly(l-lactide): effect of l-lactide dimer
The effects of l -lactide dimer as additives on the crystallization behavior of poly( l -lactide) (PLLA) films were studied. Hence, neat PLLA films and PLLA containing l -lactide (5 % w/w) (PLLA/La) were prepared in dichloromethane at room temperature via solution casting. The non-isothermal cold cr...
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| Veröffentlicht in: | Polymer bulletin (Berlin, Germany) Germany), 2013-09, Vol.70 (9), p.2569-2586 |
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| creator | Ravari, F. Mashak, A. Nekoomanesh, M. Mobedi, H. |
| description | The effects of
l
-lactide dimer as additives on the crystallization behavior of poly(
l
-lactide) (PLLA) films were studied. Hence, neat PLLA films and PLLA containing
l
-lactide (5 % w/w) (PLLA/La) were prepared in dichloromethane at room temperature via solution casting. The non-isothermal cold crystallization of PLLA films were studied using differential scanning calorimetry at various heating rates including 2.5, 5, 7.5, 10 and 15 °C/min. However, the
X
C
% was increased for PLLA/La films in comparison with neat PLLA films. The crystallization kinetics was then analyzed by the Avrami, Jeziorny, Ozawa and Mo kinetic models. It is found that all the kinetic models were established to describe the experimental data fairly well except the Ozawa model. The values of
t
1/2
,
Z
C
and
F
(
T
) indicated that the crystallization rate increased with increase in heating rates for PLLA and PLLA/La films. However,
l
-lactide dimer incorporated in PLLA films accelerates the crystallization process of PLLA at the high heating rate. The nucleation constant (
K
g
) and the surface free energy (
σ
e
) based on Lauritzen–Hoffman theory indicated that these parameters for PLLA/La films is lower than neat PLLA. |
| doi_str_mv | 10.1007/s00289-013-0972-6 |
| format | Article |
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l
-lactide dimer as additives on the crystallization behavior of poly(
l
-lactide) (PLLA) films were studied. Hence, neat PLLA films and PLLA containing
l
-lactide (5 % w/w) (PLLA/La) were prepared in dichloromethane at room temperature via solution casting. The non-isothermal cold crystallization of PLLA films were studied using differential scanning calorimetry at various heating rates including 2.5, 5, 7.5, 10 and 15 °C/min. However, the
X
C
% was increased for PLLA/La films in comparison with neat PLLA films. The crystallization kinetics was then analyzed by the Avrami, Jeziorny, Ozawa and Mo kinetic models. It is found that all the kinetic models were established to describe the experimental data fairly well except the Ozawa model. The values of
t
1/2
,
Z
C
and
F
(
T
) indicated that the crystallization rate increased with increase in heating rates for PLLA and PLLA/La films. However,
l
-lactide dimer incorporated in PLLA films accelerates the crystallization process of PLLA at the high heating rate. The nucleation constant (
K
g
) and the surface free energy (
σ
e
) based on Lauritzen–Hoffman theory indicated that these parameters for PLLA/La films is lower than neat PLLA.</description><identifier>ISSN: 0170-0839</identifier><identifier>EISSN: 1436-2449</identifier><identifier>DOI: 10.1007/s00289-013-0972-6</identifier><identifier>CODEN: POBUDR</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Additives ; Applied sciences ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Cold ; Cold crystallization ; Complex Fluids and Microfluidics ; Crystallization ; Dichloromethane ; Dimers ; Exact sciences and technology ; Free energy ; Heating rate ; Kinetics ; Mathematical models ; Nitrogen ; Nucleation ; Organic Chemistry ; Organic polymers ; Original Paper ; Physical Chemistry ; Physicochemistry of polymers ; Polymer Sciences ; Polymers ; Properties and characterization ; Room temperature ; Soft and Granular Matter ; Solvents ; Temperature</subject><ispartof>Polymer bulletin (Berlin, Germany), 2013-09, Vol.70 (9), p.2569-2586</ispartof><rights>Springer-Verlag Berlin Heidelberg 2013</rights><rights>2015 INIST-CNRS</rights><rights>Springer-Verlag Berlin Heidelberg 2013.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c346t-852a69514336b2932f6349266dcc8e7e12db2d429f0ce588c197a29d066a59623</citedby><cites>FETCH-LOGICAL-c346t-852a69514336b2932f6349266dcc8e7e12db2d429f0ce588c197a29d066a59623</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00289-013-0972-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2917967370?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,21388,27924,27925,33744,41488,42557,43805,51319,64385,64389,72469</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27588043$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ravari, F.</creatorcontrib><creatorcontrib>Mashak, A.</creatorcontrib><creatorcontrib>Nekoomanesh, M.</creatorcontrib><creatorcontrib>Mobedi, H.</creatorcontrib><title>Non-isothermal cold crystallization behavior and kinetics of poly(l-lactide): effect of l-lactide dimer</title><title>Polymer bulletin (Berlin, Germany)</title><addtitle>Polym. Bull</addtitle><description>The effects of
l
-lactide dimer as additives on the crystallization behavior of poly(
l
-lactide) (PLLA) films were studied. Hence, neat PLLA films and PLLA containing
l
-lactide (5 % w/w) (PLLA/La) were prepared in dichloromethane at room temperature via solution casting. The non-isothermal cold crystallization of PLLA films were studied using differential scanning calorimetry at various heating rates including 2.5, 5, 7.5, 10 and 15 °C/min. However, the
X
C
% was increased for PLLA/La films in comparison with neat PLLA films. The crystallization kinetics was then analyzed by the Avrami, Jeziorny, Ozawa and Mo kinetic models. It is found that all the kinetic models were established to describe the experimental data fairly well except the Ozawa model. The values of
t
1/2
,
Z
C
and
F
(
T
) indicated that the crystallization rate increased with increase in heating rates for PLLA and PLLA/La films. However,
l
-lactide dimer incorporated in PLLA films accelerates the crystallization process of PLLA at the high heating rate. The nucleation constant (
K
g
) and the surface free energy (
σ
e
) based on Lauritzen–Hoffman theory indicated that these parameters for PLLA/La films is lower than neat PLLA.</description><subject>Additives</subject><subject>Applied sciences</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Cold</subject><subject>Cold crystallization</subject><subject>Complex Fluids and Microfluidics</subject><subject>Crystallization</subject><subject>Dichloromethane</subject><subject>Dimers</subject><subject>Exact sciences and technology</subject><subject>Free energy</subject><subject>Heating rate</subject><subject>Kinetics</subject><subject>Mathematical models</subject><subject>Nitrogen</subject><subject>Nucleation</subject><subject>Organic Chemistry</subject><subject>Organic polymers</subject><subject>Original Paper</subject><subject>Physical Chemistry</subject><subject>Physicochemistry of polymers</subject><subject>Polymer Sciences</subject><subject>Polymers</subject><subject>Properties and characterization</subject><subject>Room temperature</subject><subject>Soft and Granular Matter</subject><subject>Solvents</subject><subject>Temperature</subject><issn>0170-0839</issn><issn>1436-2449</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1UMtKAzEUDaJgrX6Au4AIuojmMZNM3EnxBUU3ug5pJmlT00lNpkL9elNa6srV5d7zuIcDwDnBNwRjcZsxpo1EmDCEpaCIH4ABqRhHtKrkIRhgIjDCDZPH4CTnOS4752QApq-xQz7HfmbTQgdoYmihSevc6xD8j-597ODEzvS3jwnqroWfvrO9NxlGB5cxrK8CCtr0vrXXd9A6Z02_gfZX2PqFTafgyOmQ7dluDsHH48P76BmN355eRvdjZFjFe9TUVHNZl-SMT6hk1HFWScp5a0xjhSW0ndC2otJhY-umMUQKTWWLOde15JQNwcXWd5ni18rmXs3jKnXlpaKSCMkFE7iwyJZlUsw5WaeWyS90WiuC1aZPte1TlT7Vpk_Fi-Zy56yz0cEl3Rmf90IqShxccg8B3fJygbqpTX8J_jf_BV7XhGQ</recordid><startdate>20130901</startdate><enddate>20130901</enddate><creator>Ravari, F.</creator><creator>Mashak, A.</creator><creator>Nekoomanesh, M.</creator><creator>Mobedi, H.</creator><general>Springer Berlin Heidelberg</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope></search><sort><creationdate>20130901</creationdate><title>Non-isothermal cold crystallization behavior and kinetics of poly(l-lactide): effect of l-lactide dimer</title><author>Ravari, F. ; Mashak, A. ; Nekoomanesh, M. ; Mobedi, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c346t-852a69514336b2932f6349266dcc8e7e12db2d429f0ce588c197a29d066a59623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Additives</topic><topic>Applied sciences</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Cold</topic><topic>Cold crystallization</topic><topic>Complex Fluids and Microfluidics</topic><topic>Crystallization</topic><topic>Dichloromethane</topic><topic>Dimers</topic><topic>Exact sciences and technology</topic><topic>Free energy</topic><topic>Heating rate</topic><topic>Kinetics</topic><topic>Mathematical models</topic><topic>Nitrogen</topic><topic>Nucleation</topic><topic>Organic Chemistry</topic><topic>Organic polymers</topic><topic>Original Paper</topic><topic>Physical Chemistry</topic><topic>Physicochemistry of polymers</topic><topic>Polymer Sciences</topic><topic>Polymers</topic><topic>Properties and characterization</topic><topic>Room temperature</topic><topic>Soft and Granular Matter</topic><topic>Solvents</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ravari, F.</creatorcontrib><creatorcontrib>Mashak, A.</creatorcontrib><creatorcontrib>Nekoomanesh, M.</creatorcontrib><creatorcontrib>Mobedi, H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</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 Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>Polymer bulletin (Berlin, Germany)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ravari, F.</au><au>Mashak, A.</au><au>Nekoomanesh, M.</au><au>Mobedi, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Non-isothermal cold crystallization behavior and kinetics of poly(l-lactide): effect of l-lactide dimer</atitle><jtitle>Polymer bulletin (Berlin, Germany)</jtitle><stitle>Polym. Bull</stitle><date>2013-09-01</date><risdate>2013</risdate><volume>70</volume><issue>9</issue><spage>2569</spage><epage>2586</epage><pages>2569-2586</pages><issn>0170-0839</issn><eissn>1436-2449</eissn><coden>POBUDR</coden><abstract>The effects of
l
-lactide dimer as additives on the crystallization behavior of poly(
l
-lactide) (PLLA) films were studied. Hence, neat PLLA films and PLLA containing
l
-lactide (5 % w/w) (PLLA/La) were prepared in dichloromethane at room temperature via solution casting. The non-isothermal cold crystallization of PLLA films were studied using differential scanning calorimetry at various heating rates including 2.5, 5, 7.5, 10 and 15 °C/min. However, the
X
C
% was increased for PLLA/La films in comparison with neat PLLA films. The crystallization kinetics was then analyzed by the Avrami, Jeziorny, Ozawa and Mo kinetic models. It is found that all the kinetic models were established to describe the experimental data fairly well except the Ozawa model. The values of
t
1/2
,
Z
C
and
F
(
T
) indicated that the crystallization rate increased with increase in heating rates for PLLA and PLLA/La films. However,
l
-lactide dimer incorporated in PLLA films accelerates the crystallization process of PLLA at the high heating rate. The nucleation constant (
K
g
) and the surface free energy (
σ
e
) based on Lauritzen–Hoffman theory indicated that these parameters for PLLA/La films is lower than neat PLLA.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00289-013-0972-6</doi><tpages>18</tpages></addata></record> |
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| source | SpringerNature Journals; ProQuest Central UK/Ireland; ProQuest Central |
| subjects | Additives Applied sciences Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Cold Cold crystallization Complex Fluids and Microfluidics Crystallization Dichloromethane Dimers Exact sciences and technology Free energy Heating rate Kinetics Mathematical models Nitrogen Nucleation Organic Chemistry Organic polymers Original Paper Physical Chemistry Physicochemistry of polymers Polymer Sciences Polymers Properties and characterization Room temperature Soft and Granular Matter Solvents Temperature |
| title | Non-isothermal cold crystallization behavior and kinetics of poly(l-lactide): effect of l-lactide dimer |
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