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
- Chinese Journal of Polymer Science Vol. 41, Issue 1, Pages: 117-128(2023)
- 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：
- DOI：10.1007/s10118-022-2809-y
  CLC：
- Received：19 April 2022，
  
  Revised：2022-5-9，
  
  Accepted：17 May 2022，
  
  Online First：05 September 2022，
  
  Published：01 January 2023
- 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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⁰

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

DOI：10.1007/s10118-022-2809-y

摘要

Abstract

关键词

Keywords

references