3D printed polyimide-based composite aerogels with shape memory and thermal insulation properties

IF 6.5 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Composites Communications Pub Date : 2025-03-04 DOI:10.1016/j.coco.2025.102335

Zhipeng Fu , Dingyi Yu , Tiantian Xue , Xu Zhang , Wei Fan

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引用次数: 0

Abstract

As a new type of lightweight, porous and intelligent deformation material, shape memory polyimide aerogel has a wide range of applications in extreme environments. However, due to the limitation of rheological properties and printing resolution, the formability of polyimide (PI) aerogel via 3D printing is poor. Herein, we report a 3D printed polyimide/silica composite aerogel with good shape memory and intelligent thermal management performance. The silica aerogel particles (SAP) can be used as a rheological modifier to adjust the rheological properties of the composite ink as well as regulate the pore structure of the aerogel and inhibit heat conduction to maintain the thermal insulation performance. Furthermore, 3D printing technology is used to construct shape memory polyimide aerogel composites with various programming structures. The obtained PI/SAP composite aerogels show a shape fixation and recovery ratio of more than 93 %, and excellent thermal insulation and fire-retardant performance, which shows great potential for application in lightweight and high-performance intelligent thermal insulation technologies.

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来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.