Cellular morphology evolution of chain extended poly(butylene succinate)/organic montmorillonite nanocomposite foam

Zhou H.; Song J.; Ding X.; Qu Z.; Wang X.; Mi J.; Wang J.

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Cellular morphology evolution of chain extended poly(butylene succinate)/organic montmorillonite nanocomposite foam

机译：链延长聚（丁烯琥珀酸）/有机蒙脱石纳米复合泡沫的细胞形态演化

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Polymer foam with complex cellular structure (CCS) possessing both large cell and small cell simultaneously has lower density as well as better mechanical and thermal properties than those with mono-porous cell structure, which could be applied in the fields of packaging and construction materials. In this article, organic montmorillonite (OMMT) was introduced into chain-extended poly(butylene succinate) (CPBS) through melt blending method. CCS in the resultant CPBS samples were generated in a stainless steel autoclave using supercritical CO2 as physical blowing agent by a cooling and two-step depressurization method. The crystallization temperature and crystallinity of CPBS increased by 4 degrees C and 2% respectively, due to the introduction of OMMT. Exfoliated structure of OMMT and some fish scale-like OMMT were observed in the CPBS/OMMT nanocomposites. The optimum range of the first depressurization between 1 and 7 MPa for fabricating the CCS in the CPBS foams with different contents of OMMT was obtained. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47107

机译：具有复合细胞结构（CCS）的聚合物泡沫具有比具有单多孔电池结构的密度和更好的机械和热性能，其具有较低的密度，并且可以应用于包装和建筑材料领域的密度和更好的机械和热性能。在本文中，通过熔融共混方法将有机蒙脱石（OMMT）引入链延长的聚（丁二酸酯）（CPBS）中。所得CPBS样品中的CCS在不锈钢高压釜中产生使用超临界CO2作为物理发泡剂，通过冷却和两步减压法。由于引入OMMT，CPB的结晶温度和结晶度分别增加了4℃和2％。在CPBS / OMMT纳米复合材料中观察到OMMT和一些鱼鳞样OMMT的剥离结构。获得1至7MPa的第一次减压的最佳范围，用于在CPBS泡沫中具有不同OMMT的不同含量的CPBS泡沫。（c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,47107

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《Journal of Applied Polymer Science》 |2019年第10期|共10页
作者
Zhou H.; Song J.; Ding X.; Qu Z.; Wang X.; Mi J.; Wang J.;
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作者单位

Beijing Technol &

Business Univ Sch Mat Sci &

Mech Engn Beijing 100048 Peoples R China;

Beijing Technol &

Business Univ Sch Mat Sci &

Mech Engn Beijing 100048 Peoples R China;

Beijing Technol &

Business Univ Sch Mat Sci &

Mech Engn Beijing 100048 Peoples R China;

Beijing Technol &

Business Univ Sch Mat Sci &

Mech Engn Beijing 100048 Peoples R China;

Beijing Technol &

Business Univ Sch Mat Sci &

Mech Engn Beijing 100048 Peoples R China;

Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing 100029 Peoples R China;

Yuncheng Univ Appl Chem Dept Yuncheng 044000 Peoples R China;

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正文语种 eng
中图分类高分子化合物工业（高聚物工业）;
关键词
9 foam; complex cellular structure; nanocomposite; organic montmorillonite; poly(butylene succinate); supercritical CO2;

机译：9泡沫;复杂的蜂窝结构;纳米复合材料;有机蒙脱石;聚（丁烯琥珀酸酯）;超临界CO2;

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Cellular morphology evolution of chain extended poly(butylene succinate)/organic montmorillonite nanocomposite foam

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