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表面活性剂在聚对苯二甲酸乙二酯/提纯粘土纳米复合材料性能中的作用

Role of Surfactants in the Properties of Poly(Ethylene Terephthalate)/Purified Clay Nanocomposites.

作者信息

Dos Santos Elaine Pereira, Fook Marcus Vinícius Lia, Malta Oscar Manoel Loureiro, de Lima Silva Suédina Maria, Leite Itamara Farias

机构信息

Programa de Pós-Graduação em Ciência e Engenharia de Materiais, Universidade Federal da Paraíba, João Pessoa PB 58051-900, Brazil.

Laboratório de Avaliação e Desenvolvimento de Biomateriais do Nordeste-CERTBIO, Unidade Acadêmica de Engenharia de Materiais, Universidade Federal de Campina Grande, Campina Grande PB 58429-900, Brazil.

出版信息

Materials (Basel). 2018 Aug 10;11(8):1397. doi: 10.3390/ma11081397.

DOI:10.3390/ma11081397
PMID:30103373
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6119996/
Abstract

Purified clay was modified with different amounts of alkyl ammonium and phosphonium salts and used as filler in the preparation of PET nanocomposites via melt intercalation. The effect of this type of filler on morphology and thermal and mechanical properties of PET nanocomposites was investigated by X-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analyses (TG), tensile properties, and transmission electron microscopy (TEM). The results showed that the mixture of alkyl ammonium and phosphonium salts favored the production of PET nanocomposites with intercalated and partially exfoliated morphologies with slight improvement in thermal stability. In addition, the incorporation of these organoclays tended to inhibit PET crystallization behavior, which is profitable in the production of transparent bottles.

摘要

用不同量的烷基铵盐和鏻盐对提纯的黏土进行改性，并通过熔融插层法将其用作制备聚对苯二甲酸乙二酯（PET）纳米复合材料的填料。通过X射线衍射（XRD）、差示扫描量热法（DSC）、热重分析（TG）、拉伸性能测试和透射电子显微镜（TEM）研究了这类填料对PET纳米复合材料的形态以及热性能和力学性能的影响。结果表明，烷基铵盐和鏻盐的混合物有利于制备具有插层和部分剥离形态的PET纳米复合材料，其热稳定性略有提高。此外，这些有机黏土的加入往往会抑制PET的结晶行为，这对生产透明瓶是有利的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/395f4d15ddee/materials-11-01397-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/6eaec567b9a0/materials-11-01397-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/e0cded71fea2/materials-11-01397-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/296d7d122061/materials-11-01397-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/29ceeb610fb7/materials-11-01397-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/9cef23fb3c9d/materials-11-01397-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/1e9d9f153504/materials-11-01397-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/395f4d15ddee/materials-11-01397-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/6eaec567b9a0/materials-11-01397-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/e0cded71fea2/materials-11-01397-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/296d7d122061/materials-11-01397-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/29ceeb610fb7/materials-11-01397-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/9cef23fb3c9d/materials-11-01397-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/1e9d9f153504/materials-11-01397-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/88c5/6119996/395f4d15ddee/materials-11-01397-g007.jpg

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