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Polymers
Volume 14
Issue 3
10.3390/polym14030492
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Article

Physical Properties and Polymorphism of Acrylic Acid-Grafted Poly(1,4-butylene adipate-co-terephthalate)/Organically Modified Layered Double Hydroxide Nanocomposites

by
Yun-Ju Chen
,
Yu-Jia Hung
,
Ming-Yen Chiang
,
En-Tze Wang
and
Tzong-Ming Wu
*
Department of Materials Science and Engineering, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan
*
Author to whom correspondence should be addressed.
Polymers 2022, 14(3), 492; https://doi.org/10.3390/polym14030492
Submission received: 27 December 2021 / Revised: 21 January 2022 / Accepted: 25 January 2022 / Published: 26 January 2022
(This article belongs to the Special Issue Natural Additives as Modificators of Polymer Biocomposites)
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Abstract

Novel and biodegradable acrylic acid-grafted poly(1,4-butylene adipate-co-terephthalate)/organically modified layered double hydroxide (g-PBAT/m-LDH) nanocomposites were synthesized through the polycondensation and transesterification process, with the covalent linkages between the polymer and the inorganic materials. X-ray diffraction and transmission electron microscopy were used to characterize the structure and morphology of the g-PBAT/m-LDH nanocomposites. The experimental results show that the m-LDH was exfoliated and widely distributed in the g-PBAT matrix. The addition of m-LDH into the g-PBAT extensively improved the storage modulus at −90 °C, when compared to that of the pure g-PBAT matrix. The effects of the minor comonomer of the butylene terephthalate (BT) unit and the addition of m-LDH on the crystallization behavior, and the polymorphic crystals of the g-PBAT at numerous crystallization temperatures, were examined, using a differential scanning calorimeter (DSC). The data indicate that the minor comonomer of the BT unit into g-PBAT can significantly change the starting formation temperatures of the α-form and ꞵ-form crystals, while a change in the starting formation temperatures of the α-form and ꞵ-form crystals using the addition of m-LDH into g-PBAT is not evident.
Keywords: poly(1,4-butylene adipate-co-terephthalate); layered double hydroxide (LDH); graft interaction; nanocomposites; polymorphism poly(1,4-butylene adipate-co-terephthalate); layered double hydroxide (LDH); graft interaction; nanocomposites; polymorphism

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MDPI and ACS Style

Chen, Y.-J.; Hung, Y.-J.; Chiang, M.-Y.; Wang, E.-T.; Wu, T.-M. Physical Properties and Polymorphism of Acrylic Acid-Grafted Poly(1,4-butylene adipate-co-terephthalate)/Organically Modified Layered Double Hydroxide Nanocomposites. Polymers 2022, 14, 492. https://doi.org/10.3390/polym14030492

AMA Style

Chen Y-J, Hung Y-J, Chiang M-Y, Wang E-T, Wu T-M. Physical Properties and Polymorphism of Acrylic Acid-Grafted Poly(1,4-butylene adipate-co-terephthalate)/Organically Modified Layered Double Hydroxide Nanocomposites. Polymers. 2022; 14(3):492. https://doi.org/10.3390/polym14030492

Chicago/Turabian Style

Chen, Yun-Ju, Yu-Jia Hung, Ming-Yen Chiang, En-Tze Wang, and Tzong-Ming Wu. 2022. "Physical Properties and Polymorphism of Acrylic Acid-Grafted Poly(1,4-butylene adipate-co-terephthalate)/Organically Modified Layered Double Hydroxide Nanocomposites" Polymers 14, no. 3: 492. https://doi.org/10.3390/polym14030492

APA Style

Chen, Y.-J., Hung, Y.-J., Chiang, M.-Y., Wang, E.-T., & Wu, T.-M. (2022). Physical Properties and Polymorphism of Acrylic Acid-Grafted Poly(1,4-butylene adipate-co-terephthalate)/Organically Modified Layered Double Hydroxide Nanocomposites. Polymers, 14(3), 492. https://doi.org/10.3390/polym14030492

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