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磷酸铝包覆埃洛石纳米管的合成：对PEO/PBAT共混物形态、力学和流变性能的影响

Synthesis of Aluminum Phosphate-Coated Halloysite Nanotubes: Effects on Morphological, Mechanical, and Rheological Properties of PEO/PBAT Blends.

作者信息

Wang Kui, Jin Xuefei, He Xiuhong, Huang Weijiang, Tian Qin, Fu Qiuping, Yan Wei

机构信息

School of Chemistry and Materials Engineering, Guiyang University, Guiyang 550005, China.

出版信息

Nanomaterials (Basel). 2022 Aug 23;12(17):2896. doi: 10.3390/nano12172896.

DOI:10.3390/nano12172896
PMID:36079933
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9457796/
Abstract

Polymer blending has been widely used to fabricate polymeric films in the last decade due to its superior properties to a single component. In this study, an aluminum phosphate-coated halloysite nanotube (HNTs@AlPO) was fabricated using a one-pot heterogeneous precipitation method, organically modified HNTs@AlPO (o-HNTs@AlPO) was used to improve the performance of polyethylene oxide/poly(butylene adipate-co-terephthalate) (PEO/PBAT) blends, and the mechanical and rheological properties of the PEO/PBAT/o-HNTs@AlPO films were systematically discussed. According to our results, there is an optimal addition for adequate AlPO nanoparticle dispersion and coating on the surface of HNTs, and organic modification could improve the interfacial compatibility of HNTs@AlPO and the polymeric matrix. Moreover, o-HNTs@AlPO may serve as a compatibilizer between PEO and PBAT, and PEO/PBAT/o-HNTs@AlPO films have better mechanical and rheological properties than the PEO/PBAT blends without the o-HNTs@AlPO component.

摘要

在过去十年中，聚合物共混因其相较于单一成分具有更优异的性能而被广泛用于制备聚合物薄膜。在本研究中，采用一锅法非均相沉淀法制备了磷酸铝包覆的埃洛石纳米管（HNTs@AlPO），使用有机改性的HNTs@AlPO（o-HNTs@AlPO）来改善聚环氧乙烷/聚（己二酸丁二醇酯-对苯二甲酸丁二醇酯）（PEO/PBAT）共混物的性能，并系统地讨论了PEO/PBAT/o-HNTs@AlPO薄膜的力学和流变性能。根据我们的结果，存在一个最佳添加量，以实现AlPO纳米颗粒在HNTs表面的充分分散和包覆，并且有机改性可以改善HNTs@AlPO与聚合物基体之间的界面相容性。此外，o-HNTs@AlPO可以作为PEO和PBAT之间的增容剂，并且PEO/PBAT/o-HNTs@AlPO薄膜比不含o-HNTs@AlPO成分的PEO/PBAT共混物具有更好的力学和流变性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/39f43e1fc1d6/nanomaterials-12-02896-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/a9a0e231d745/nanomaterials-12-02896-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/936c43250d2a/nanomaterials-12-02896-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/037a7a047a95/nanomaterials-12-02896-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/f5838d3193a2/nanomaterials-12-02896-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/61fb68bca91f/nanomaterials-12-02896-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/d44ed4b44f17/nanomaterials-12-02896-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/39f43e1fc1d6/nanomaterials-12-02896-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/a9a0e231d745/nanomaterials-12-02896-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/936c43250d2a/nanomaterials-12-02896-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/037a7a047a95/nanomaterials-12-02896-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/f5838d3193a2/nanomaterials-12-02896-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/61fb68bca91f/nanomaterials-12-02896-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/d44ed4b44f17/nanomaterials-12-02896-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1650/9457796/39f43e1fc1d6/nanomaterials-12-02896-g007.jpg

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