Thermophysical analysis and modeling of the crystallization and melting behavior of PLA with talc: Kinetics and crystalline structures

Zakariaa Refaa; M’hamed Boutaous; Shihe Xin; Dennis A. Siginer

doi:10.1007/s10973-016-5961-1

Thermophysical analysis and modeling of the crystallization and melting behavior of PLA with talc: Kinetics and crystalline structures

Zakariaa Refaa, M’hamed Boutaous, Shihe Xin, Dennis A. Siginer

Mechanical, Energy and Industrial Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

The crystallization kinetics and the melting behavior of PLA and PLA with talc are investigated by dynamic scanning calorimeter and optical microscopy. The polymorphic aspect of PLA was highlighted by analyzing the melting process throughout heating after isothermal crystallization. The melting process of PLA with 5 mass% talc (PLAT5) shows the same thermal transitions as for PLA alone. The thermodynamic melting temperature of PLA and PLAT5 is determined to be 167.7 °C. The effects of the temperature and the cooling rate on the crystallization kinetics of PLA are analyzed. Finally, a simple and efficient protocol is defined to model the isothermal and the non-isothermal crystallization taking into account the polymorphism of PLA. Good agreement is found between the predictions of the proposed model and the experimental results under isothermal and non-isothermal conditions.

Original language	English
Pages (from-to)	687-698
Number of pages	12
Journal	Journal of Thermal Analysis and Calorimetry
Volume	128
Issue number	2
DOIs	https://doi.org/10.1007/s10973-016-5961-1
Publication status	Published - May 1 2017

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
General Dentistry
Physical and Theoretical Chemistry
Polymers and Plastics
Materials Chemistry

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10.1007/s10973-016-5961-1

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title = "Thermophysical analysis and modeling of the crystallization and melting behavior of PLA with talc: Kinetics and crystalline structures",

abstract = "The crystallization kinetics and the melting behavior of PLA and PLA with talc are investigated by dynamic scanning calorimeter and optical microscopy. The polymorphic aspect of PLA was highlighted by analyzing the melting process throughout heating after isothermal crystallization. The melting process of PLA with 5 mass\% talc (PLAT5) shows the same thermal transitions as for PLA alone. The thermodynamic melting temperature of PLA and PLAT5 is determined to be 167.7 °C. The effects of the temperature and the cooling rate on the crystallization kinetics of PLA are analyzed. Finally, a simple and efficient protocol is defined to model the isothermal and the non-isothermal crystallization taking into account the polymorphism of PLA. Good agreement is found between the predictions of the proposed model and the experimental results under isothermal and non-isothermal conditions.",

keywords = "Calorimetric analysis, Crystal forms, Crystallization kinetics, Melting process, Nucleation, Polylactide (PLA)",

author = "Zakariaa Refaa and M{\textquoteright}hamed Boutaous and Shihe Xin and Siginer, \{Dennis A.\}",

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doi = "10.1007/s10973-016-5961-1",

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TY - JOUR

T1 - Thermophysical analysis and modeling of the crystallization and melting behavior of PLA with talc

T2 - Kinetics and crystalline structures

AU - Refaa, Zakariaa

AU - Boutaous, M’hamed

AU - Xin, Shihe

AU - Siginer, Dennis A.

PY - 2017/5/1

Y1 - 2017/5/1

N2 - The crystallization kinetics and the melting behavior of PLA and PLA with talc are investigated by dynamic scanning calorimeter and optical microscopy. The polymorphic aspect of PLA was highlighted by analyzing the melting process throughout heating after isothermal crystallization. The melting process of PLA with 5 mass% talc (PLAT5) shows the same thermal transitions as for PLA alone. The thermodynamic melting temperature of PLA and PLAT5 is determined to be 167.7 °C. The effects of the temperature and the cooling rate on the crystallization kinetics of PLA are analyzed. Finally, a simple and efficient protocol is defined to model the isothermal and the non-isothermal crystallization taking into account the polymorphism of PLA. Good agreement is found between the predictions of the proposed model and the experimental results under isothermal and non-isothermal conditions.

AB - The crystallization kinetics and the melting behavior of PLA and PLA with talc are investigated by dynamic scanning calorimeter and optical microscopy. The polymorphic aspect of PLA was highlighted by analyzing the melting process throughout heating after isothermal crystallization. The melting process of PLA with 5 mass% talc (PLAT5) shows the same thermal transitions as for PLA alone. The thermodynamic melting temperature of PLA and PLAT5 is determined to be 167.7 °C. The effects of the temperature and the cooling rate on the crystallization kinetics of PLA are analyzed. Finally, a simple and efficient protocol is defined to model the isothermal and the non-isothermal crystallization taking into account the polymorphism of PLA. Good agreement is found between the predictions of the proposed model and the experimental results under isothermal and non-isothermal conditions.

KW - Calorimetric analysis

KW - Crystal forms

KW - Crystallization kinetics

KW - Melting process

KW - Nucleation

KW - Polylactide (PLA)

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SP - 687

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JO - Journal of Thermal Analysis and Calorimetry

JF - Journal of Thermal Analysis and Calorimetry

IS - 2

ER -

Thermophysical analysis and modeling of the crystallization and melting behavior of PLA with talc: Kinetics and crystalline structures

Abstract

All Science Journal Classification (ASJC) codes

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