对分散在液体基质中的聚(amic acid)进行小角 X 射线散射分析，以了解聚酰亚胺纳米粒子的尺寸控制。

IF 2.9 3区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Royal Society Open Science Pub Date : 2024-10-02 eCollection Date: 2024-10-01 DOI:10.1098/rsos.231995

Satoshi Kuretani, Kazushige Hori, Tomoyasu Hirai, Noboru Ohta, Kan Hatakeyama-Sato, Teruaki Hayakawa, Yuta Nabae

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引用次数: 0

摘要

通过小角 X 射线散射（SAXS）和场发射扫描电子显微镜（FE-SEM）对用分散剂沉淀聚合制备的聚(amic ‍acid)纳米粒子进行了评估。通过 SAXS 对液相中的聚(Amic Acid)纳米粒子进行粒度评估，以深入了解聚(Amic Acid)纳米粒子的粒度控制，结果与 FE-SEM 的目视观察结果非常吻合，说明了分散剂对获得小粒径聚酰亚胺纳米粒子的影响。这表明在溶剂蒸发过程中，粒径保持不变。受分散剂效应控制的聚酰胺纳米粒子在酰亚胺化后尺寸保持不变，制备的聚酰亚胺纳米粒子的最小半径约为 60 nm。

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Small-angle X-ray scattering analysis of poly(amic acid) dispersed in a liquid matrix to understand the size control of polyimide nanoparticles.

Poly(amic ‍acid) ‍nanoparticles ‍prepared ‍by ‍‍precipitation ‍polymerization with a dispersant were evaluated by small-angle X-ray scattering (SAXS) and field-emission scanning electron microscopy (FE-SEM). The particle size evaluation of poly(amic acid) nanoparticles in the liquid phase by SAXS was performed to gain insight into the size control of poly(amic acid) nanoparticles, and showed good agreement with visual observation by FE-SEM, explaining the effect of the dispersant in obtaining polyimide nanoparticles with small particle size. This indicates that the particle size is maintained without change during the solvent evaporation process. The polyamide nanoparticles controlled by the dispersant effect maintained their size after imidization, and polyimide nanoparticles with a minimum radius of about 60 nm were prepared.

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来源期刊

Royal Society Open Science Multidisciplinary-Multidisciplinary

CiteScore

6.00

自引率

0.00%

发文量

508

审稿时长

14 weeks

期刊介绍： Royal Society Open Science is a new open journal publishing high-quality original research across the entire range of science on the basis of objective peer-review. The journal covers the entire range of science and mathematics and will allow the Society to publish all the high-quality work it receives without the usual restrictions on scope, length or impact.