Influence of Bagasse Carboxymethyl Cellulose Addition on the Thermal and Mechanical Properties of PLA Composites

S. Kamthai; Rathanawan Magaraphan

doi:10.4028/www.scientific.net/AMR.747.157

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 747Influence of Bagasse Carboxymethyl Cellulose...

Influence of Bagasse Carboxymethyl Cellulose Addition on the Thermal and Mechanical Properties of PLA Composites

Abstract:

According to the availability of bagasse waste and increasing environmental concern, this research is focused on the preparation of polylactic acid (PLA)/bagasse carboxymethyl cellulose (CMC_B) composite in order to improve the thermal and mechanical properties of PLA/CMC_Bfilm. PLA were mixed with CMC_B at different ratios (1, 2, 4 and 8%, w/w of PLA), by kneading in two roll mills and then hot pressing into film. The results revealed that the addition of CMC_B had significant effects on PLA composites properties. Differential scanning calorimetry (DSC) measurement indicated that the presence of CMC_Baccelerated the reduction of glass transition, and melting temperatures. Moreover the CMC_Bcould improve the storage modulus of PLA composites at high temperature because its cold crystallization was developed. At room temperature, the tensile strength and elongation of PLA composite (but not modulus) were not significantly different with an increase of CMC_B contents.

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Periodical:

Advanced Materials Research (Volume 747)

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157-161

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.747.157

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Online since:

August 2013

Authors:

S. Kamthai, Rathanawan Magaraphan

Keywords:

Bagasse Carboxymethyl Cellulose, Crystallization, Poly(lactic acid) (PLA)

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