Structural Optimization of Polyimide Foam <italic style="font-style: italic">via</italic> Composition with Hyperbranched Polymer Modified Fluorinated Carbon Nanotubes

Jian Liu; Zhuang Nie; Rui Qin; An-Ping Ou; Tao Zhang; Xu Wang; Xiang-Yang Liu

doi:10.1007/s10118-022-2809-y

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Structural Optimization of Polyimide Foam via Composition with Hyperbranched Polymer Modified Fluorinated Carbon Nanotubes

RESEARCH ARTICLE | Updated：2022-12-19

- Structural Optimization of Polyimide Foam via Composition with Hyperbranched Polymer Modified Fluorinated Carbon Nanotubes
- Structural Optimization of Polyimide Foam via Composition with Hyperbranched Polymer Modified Fluorinated Carbon Nanotubes
- 高分子科学（英文版） 2023年41卷第1期页码：117-128
- Affiliations：
  
  a.College of Polymer Science and Engineering, State Key Laboratory of Polymer Material and Engineering, Sichuan University, Chengdu 610065, China
  b.Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Key Laboratory of Marine Materials and Related Technologies, CAS, Ningbo 315000, China
- Author bio：
  
  wangxu@scu.edu.cn (X.W.)
  lxy6912@sina.com (X.Y.L.)
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (Nos. 52173008 and 51803129), State Key Laboratory of Polymer Materials Engineering (No. sklpme2018-3-08), and the Fundamental Research Funds for the central Universities and the International Visiting Program for Exellent Young Scholars of SCU. And the authors also acknowledge National Demonstration Centre for Experimental Materials Science and Engineering Education, Sichuan University, in China for characterization.;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-022-2809-y.
- DOI：10.1007/s10118-022-2809-y
  中图分类号：
- 收稿：2022-04-19，
  
  修回：2022-5-9，
  
  录用：2022-5-17，
  
  网络首发：2022-09-05，
  
  纸质出版：2023-01-01
- Accepted：
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Liu, J.; Nie, Z.; Qin, R.; Ou, A. P.; Zhang, T.; Wang, X.; Liu, X. Y. Structural optimization of polyimide foam via composition with hyperbranched polymer modified fluorinated carbon nanotubes. Chinese J. Polym. Sci. 2023, 41, 117–128

Jian Liu, Zhuang Nie, Rui Qin, et al. Structural Optimization of Polyimide Foam via Composition with Hyperbranched Polymer Modified Fluorinated Carbon Nanotubes[J]. Chinese Journal of Polymer Science, 2023, 41(1): 117-128. DOI: 10.1007/s10118-022-2809-y.
Liu, J.; Nie, Z.; Qin, R.; Ou, A. P.; Zhang, T.; Wang, X.; Liu, X. Y. Structural optimization of polyimide foam via composition with hyperbranched polymer modified fluorinated carbon nanotubes. Chinese J. Polym. Sci. 2023, 41, 117–128 DOI： 10.1007/s10118-022-2809-y.

Jian Liu, Zhuang Nie, Rui Qin, et al. Structural Optimization of Polyimide Foam via Composition with Hyperbranched Polymer Modified Fluorinated Carbon Nanotubes[J]. Chinese Journal of Polymer Science, 2023, 41(1): 117-128. DOI: 10.1007/s10118-022-2809-y. DOI：

摘要

Hyperbranched polymer modified fluorinated multi-walled carbon nanotube (HPMCNT-F) was prepared and used to composite with PI foams

resulting in the enhancement of the PI bulk and the optimization of the foam’s cellular structure. The obtained composite foam has great compression performance and heat-insulating property due to optimized structure.

Abstract

The key to improve the foam’s performance is to optimize the cellular structure and its bulk-material composition. Here

the hyperbranched polymer modified fluorinated multi-walled carbon nanotube (HPMCNT-F) based on the nucleophilic reactions of MCNT-F was successfully prepared and used to composite with PI foams. The pristine MCNT shows a poor dispersity and weak interfacial interaction with PI matrix. While HPMCNT-F exhibits an excellent dispersity and effectively forms covalent/non-covalent interaction with PI matrix due to the surface-structure engineering

resulting in the enhancement of the PI bulk. Furthermore

HPMCNT-F works as a heterogeneous nucleation agent in PI foam to optimize the cellular structure. The enhancement of PI bulk and the optimizing of cellular structure result in the increase of compressive special strength of composite foam by 58.9% with a low loading of 1.6 wt% HPMCNT-F. Moreover

the hyperbranched polymers effectively prevent the thermal conduction among HPMCNT-F

and the isolated MCNTs effectively block thermal radiation through absorption and reflection the infrared waves. Thus

the thermal conductivity was reduced by 8.0% simultaneously.

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references

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DOI：10.1007/s10118-022-2809-y

摘要

Abstract

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