Thermal properties of poly( l-lactide)/olive stone flour composites
Thermal properties of poly( l-lactide)/olive stone flour (PLLA/OSF) composites were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) using dynamic heating regime. PLLA was blended with various amount of OSF using Brabender plastograph and pressed in a hydr...
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| Veröffentlicht in: | Thermochimica acta 2010-10, Vol.510 (1), p.97-102 |
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| container_title | Thermochimica acta |
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| creator | Perinović, Sanja Andričić, Branka Erceg, Matko |
| description | Thermal properties of poly(
l-lactide)/olive stone flour (PLLA/OSF) composites were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) using dynamic heating regime. PLLA was blended with various amount of OSF using Brabender plastograph and pressed in a hydraulic hot press. DSC analysis showed that the glass transition temperature and the melting temperature of PLLA in the composites remained the same, while the cold crystallization temperature decreased. The crystallinity of PLLA was changed, too. SEM analysis confirmed weak interactions between polymer matrix and the filler. According to TG analysis, PLLA decomposes in one step, PLLA/OSF composites in two and OSF in three degradation steps. As the amount of OSF increases, thermal stability of PLLA decreases. At conversion higher than 0.7 char formation is probably responsible for higher
E
a values of nonisothermal degradation of PLLA composites compared to pure PLLA. |
| doi_str_mv | 10.1016/j.tca.2010.07.002 |
| format | Article |
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l-lactide)/olive stone flour (PLLA/OSF) composites were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) using dynamic heating regime. PLLA was blended with various amount of OSF using Brabender plastograph and pressed in a hydraulic hot press. DSC analysis showed that the glass transition temperature and the melting temperature of PLLA in the composites remained the same, while the cold crystallization temperature decreased. The crystallinity of PLLA was changed, too. SEM analysis confirmed weak interactions between polymer matrix and the filler. According to TG analysis, PLLA decomposes in one step, PLLA/OSF composites in two and OSF in three degradation steps. As the amount of OSF increases, thermal stability of PLLA decreases. At conversion higher than 0.7 char formation is probably responsible for higher
E
a values of nonisothermal degradation of PLLA composites compared to pure PLLA.</description><identifier>ISSN: 0040-6031</identifier><identifier>EISSN: 1872-762X</identifier><identifier>DOI: 10.1016/j.tca.2010.07.002</identifier><identifier>CODEN: THACAS</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Activation energy ( Ea) ; Applied sciences ; Composites ; Differential scanning calorimetry (DSC) ; Exact sciences and technology ; Forms of application and semi-finished materials ; Poly( l-lactide) (PLLA)/olive stone flour (OSF) composites ; Polymer industry, paints, wood ; Scanning electron microscopy (SEM) ; Technology of polymers ; Thermogravimetric analysis (TGA)</subject><ispartof>Thermochimica acta, 2010-10, Vol.510 (1), p.97-102</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c425t-6beed3d750b47cff166c6f8c0f1f9e1219b694849f5fc4bb89c7d4279c0d58233</citedby><cites>FETCH-LOGICAL-c425t-6beed3d750b47cff166c6f8c0f1f9e1219b694849f5fc4bb89c7d4279c0d58233</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.tca.2010.07.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23309973$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Perinović, Sanja</creatorcontrib><creatorcontrib>Andričić, Branka</creatorcontrib><creatorcontrib>Erceg, Matko</creatorcontrib><title>Thermal properties of poly( l-lactide)/olive stone flour composites</title><title>Thermochimica acta</title><description>Thermal properties of poly(
l-lactide)/olive stone flour (PLLA/OSF) composites were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) using dynamic heating regime. PLLA was blended with various amount of OSF using Brabender plastograph and pressed in a hydraulic hot press. DSC analysis showed that the glass transition temperature and the melting temperature of PLLA in the composites remained the same, while the cold crystallization temperature decreased. The crystallinity of PLLA was changed, too. SEM analysis confirmed weak interactions between polymer matrix and the filler. According to TG analysis, PLLA decomposes in one step, PLLA/OSF composites in two and OSF in three degradation steps. As the amount of OSF increases, thermal stability of PLLA decreases. At conversion higher than 0.7 char formation is probably responsible for higher
E
a values of nonisothermal degradation of PLLA composites compared to pure PLLA.</description><subject>Activation energy ( Ea)</subject><subject>Applied sciences</subject><subject>Composites</subject><subject>Differential scanning calorimetry (DSC)</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Poly( l-lactide) (PLLA)/olive stone flour (OSF) composites</subject><subject>Polymer industry, paints, wood</subject><subject>Scanning electron microscopy (SEM)</subject><subject>Technology of polymers</subject><subject>Thermogravimetric analysis (TGA)</subject><issn>0040-6031</issn><issn>1872-762X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLAzEQx4MoWB8fwNteRD3sOkm3mw2epPiCghcFbyE7O8GUtFmTrdBvb0rFo6dh4P-Y-TF2waHiwJvbZTWiqQTkHWQFIA7YhLdSlLIRH4dsAlBD2cCUH7OTlJYAwEULEzZ_-6S4Mr4YYhgojo5SEWwxBL-9LnzpDY6up5vb4N03FWkMayqsD5tYYFgNIbmR0hk7ssYnOv-dp-z98eFt_lwuXp9e5veLEmsxG8umI-qnvZxBV0u0ljcNNrZFsNwq4oKrrlF1Wys7s1h3XatQ9rWQCqGftWI6PWVX-9x869eG0qhXLiF5b9YUNklna92CUCIr-V6JMaQUyeohupWJW81B73jppc689I6XBqkzr-y5_E03CY230azRpT9j7gel5O6Ku72O8qvfjqJO6GiN1LtIOOo-uH9afgClmn_Z</recordid><startdate>20101020</startdate><enddate>20101020</enddate><creator>Perinović, Sanja</creator><creator>Andričić, Branka</creator><creator>Erceg, Matko</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>C1K</scope></search><sort><creationdate>20101020</creationdate><title>Thermal properties of poly( l-lactide)/olive stone flour composites</title><author>Perinović, Sanja ; Andričić, Branka ; Erceg, Matko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c425t-6beed3d750b47cff166c6f8c0f1f9e1219b694849f5fc4bb89c7d4279c0d58233</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Activation energy ( Ea)</topic><topic>Applied sciences</topic><topic>Composites</topic><topic>Differential scanning calorimetry (DSC)</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Poly( l-lactide) (PLLA)/olive stone flour (OSF) composites</topic><topic>Polymer industry, paints, wood</topic><topic>Scanning electron microscopy (SEM)</topic><topic>Technology of polymers</topic><topic>Thermogravimetric analysis (TGA)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Perinović, Sanja</creatorcontrib><creatorcontrib>Andričić, Branka</creatorcontrib><creatorcontrib>Erceg, Matko</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Thermochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Perinović, Sanja</au><au>Andričić, Branka</au><au>Erceg, Matko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal properties of poly( l-lactide)/olive stone flour composites</atitle><jtitle>Thermochimica acta</jtitle><date>2010-10-20</date><risdate>2010</risdate><volume>510</volume><issue>1</issue><spage>97</spage><epage>102</epage><pages>97-102</pages><issn>0040-6031</issn><eissn>1872-762X</eissn><coden>THACAS</coden><abstract>Thermal properties of poly(
l-lactide)/olive stone flour (PLLA/OSF) composites were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) using dynamic heating regime. PLLA was blended with various amount of OSF using Brabender plastograph and pressed in a hydraulic hot press. DSC analysis showed that the glass transition temperature and the melting temperature of PLLA in the composites remained the same, while the cold crystallization temperature decreased. The crystallinity of PLLA was changed, too. SEM analysis confirmed weak interactions between polymer matrix and the filler. According to TG analysis, PLLA decomposes in one step, PLLA/OSF composites in two and OSF in three degradation steps. As the amount of OSF increases, thermal stability of PLLA decreases. At conversion higher than 0.7 char formation is probably responsible for higher
E
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Activation energy ( Ea) Applied sciences Composites Differential scanning calorimetry (DSC) Exact sciences and technology Forms of application and semi-finished materials Poly( l-lactide) (PLLA)/olive stone flour (OSF) composites Polymer industry, paints, wood Scanning electron microscopy (SEM) Technology of polymers Thermogravimetric analysis (TGA) |
| title | Thermal properties of poly( l-lactide)/olive stone flour composites |
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