Influence of the aggregated structures of layered double hydroxide nanoparticles on the degradation behavior of poly (butyleneadipate-co-terephthalate) composites

文献类型： 外文期刊

第一作者： Yang, Kaijie

作者： Yang, Kaijie;Liu, Wenying;Zhang, Sitong;Yu, Wenwen;Lin, Zaifu;Zheng, Qiang;Shi, Jiangao;Shi, Jiangao;Zheng, Qiang

作者机构：

关键词： Nano -layered double hydroxides; Poly(butyleneadipate; co -terephthalate); Degradation; Aggregated structures

期刊名称：APPLIED CLAY SCIENCE （ 影响因子：5.907； 五年影响因子：5.881 ）

ISSN： 0169-1317

年卷期： 2022 年 230 卷

页码：

收录情况： SCI

摘要： Layered double hydroxides (LDH) modified with sodium dodecyl sulfate (LDH-SDS) and stearic acid (LDH-SA) were added into the poly(butyleneadipate-co-terephthalate) (PBAT) matrix for the preparation of PBAT/LDH nanocomposite films. In the matrix, pristine LDH, LDH-SDS, and LDH-SA were present in the form of aggregated nanoparticles, intercalated, and exfoliated layers, respectively. In comparison with pristine LDH, the intercalated and exfoliated LDH exhibited better dispersibility in PBAT and greater capacity to promote the mechanical properties and crystallization performance of PBAT. More importantly, in the hydrolysis degradation experiment, the degradation behaviors were significantly affected by hydrophilic nature of modified LDH and its organ-ic-inorganic interfaces caused by various aggregated state structures. Thus, an important method of tuned the degradation behaviors of PBAT films by adjusting the aggregated structures of LDH was established.

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