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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.02.027
|2 doi
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|a pubmed25n0990.xml
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|a eng
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| 100 |
1 |
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|a Lv, Shanshan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Thermal and thermo-oxidative degradation kinetics and characteristics of poly (lactic acid) and its composites
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a Thermal degradation behavior and kinetics of starch/PLA composites in an inert and oxygen atmosphere were investigated by TG and TG-FTIR techniques. It is shown that the thermal degradation process can be divided into three stages, and a significant difference between thermal and thermo-oxidative degradation is the third stage in which the residual chars are further cracked for the thermo-oxidative degradation. The activation energy was calculated using the iso-conversional Flynn-Wall-Ozawa (FWO) method. The lower activation energy for thermo-oxidative degradation indicated that oxygen had an accelerated effect on thermal degradation. The variation of activation energy indicated that the decomposition of all the samples was a complex process that included at least two different mechanisms. Evolution of the evolved gaseous products with temperature was studied to understand the thermal and thermo-oxidative decomposition comprehensively. According to the TG-FTIR analysis, the gaseous products mainly contained lactide, cyclic oligomers, aldehydes, CO2, CO, and H2O
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|a Journal Article
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|a Kinetics
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|a Poly (lactic acid)
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|a Starch
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|a TG-FTIR
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|a Thermal degradation
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|a Thermo-oxidative
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|a Polyesters
|2 NLM
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| 650 |
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|a Lactic Acid
|2 NLM
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| 650 |
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|a 33X04XA5AT
|2 NLM
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| 700 |
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|a Zhang, Yanhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Haiyan
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 87(2019) vom: 15. März, Seite 335-344
|w (DE-627)NLM098197061
|x 1879-2456
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|g volume:87
|g year:2019
|g day:15
|g month:03
|g pages:335-344
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|u http://dx.doi.org/10.1016/j.wasman.2019.02.027
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