Synergic effect of graphene oxide and boron nitride on the mechanical properties of polyimide composite films

Yi Kai Cheng; Benoît Denis Louis Campéon; Seiji Obata; Yuta Nishina

doi:10.1039/d2na00078d

Synergic effect of graphene oxide and boron nitride on the mechanical properties of polyimide composite films

Yi Kai Cheng, Benoît Denis Louis Campéon, Seiji Obata, Yuta Nishina

Research Core for Interdisciplinary Sciences

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Abstract

The addition of two-dimensional (2D) materials into polymers can improve their mechanical properties. In particular, graphene oxide (GO) and hexagonal boron nitride (h-BN) are expected to be potential nanoplatelet additives for polymers. Interactions between such nanoplatelets and polymers are effective in improving the above properties. However, no report has investigated the effect of using two types of nanoplatelets that have good interaction with polymers. In this study, we fabricated polyimide (PI) films that contain two types of nanoplatelets, amine-functionalized h-BN (BN_NH₂) and GO. We have elucidated that the critical ratio and the content of BN_NH₂ and GO within PI govern the films' mechanical properties. When the BN_NH₂/GO weight ratio was 52 : 1 and their content was 1 wt% in the PI film, the tensile modulus and tensile strength were increased by 155.2 MPa and 4.2 GPa compared with the pristine PI film.

Original language	English
Pages (from-to)	2339-2345
Number of pages	7
Journal	Nanoscale Advances
Volume	4
Issue number	10
DOIs	https://doi.org/10.1039/d2na00078d
Publication status	Published - May 4 2022

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Atomic and Molecular Physics, and Optics
Materials Science(all)
Engineering(all)

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title = "Synergic effect of graphene oxide and boron nitride on the mechanical properties of polyimide composite films",

abstract = "The addition of two-dimensional (2D) materials into polymers can improve their mechanical properties. In particular, graphene oxide (GO) and hexagonal boron nitride (h-BN) are expected to be potential nanoplatelet additives for polymers. Interactions between such nanoplatelets and polymers are effective in improving the above properties. However, no report has investigated the effect of using two types of nanoplatelets that have good interaction with polymers. In this study, we fabricated polyimide (PI) films that contain two types of nanoplatelets, amine-functionalized h-BN (BNNH2) and GO. We have elucidated that the critical ratio and the content of BNNH2 and GO within PI govern the films' mechanical properties. When the BNNH2/GO weight ratio was 52 : 1 and their content was 1 wt% in the PI film, the tensile modulus and tensile strength were increased by 155.2 MPa and 4.2 GPa compared with the pristine PI film.",

author = "Cheng, {Yi Kai} and Camp{\'e}on, {Beno{\^i}t Denis Louis} and Seiji Obata and Yuta Nishina",

note = "Funding Information: Professor Mitsuhiro Okayasu is acknowledged for the mechanical properties measurements. Publisher Copyright: {\textcopyright} 2022 The Author(s).",

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AU - Cheng, Yi Kai

AU - Campéon, Benoît Denis Louis

AU - Obata, Seiji

AU - Nishina, Yuta

PY - 2022/5/4

Y1 - 2022/5/4

N2 - The addition of two-dimensional (2D) materials into polymers can improve their mechanical properties. In particular, graphene oxide (GO) and hexagonal boron nitride (h-BN) are expected to be potential nanoplatelet additives for polymers. Interactions between such nanoplatelets and polymers are effective in improving the above properties. However, no report has investigated the effect of using two types of nanoplatelets that have good interaction with polymers. In this study, we fabricated polyimide (PI) films that contain two types of nanoplatelets, amine-functionalized h-BN (BNNH2) and GO. We have elucidated that the critical ratio and the content of BNNH2 and GO within PI govern the films' mechanical properties. When the BNNH2/GO weight ratio was 52 : 1 and their content was 1 wt% in the PI film, the tensile modulus and tensile strength were increased by 155.2 MPa and 4.2 GPa compared with the pristine PI film.

AB - The addition of two-dimensional (2D) materials into polymers can improve their mechanical properties. In particular, graphene oxide (GO) and hexagonal boron nitride (h-BN) are expected to be potential nanoplatelet additives for polymers. Interactions between such nanoplatelets and polymers are effective in improving the above properties. However, no report has investigated the effect of using two types of nanoplatelets that have good interaction with polymers. In this study, we fabricated polyimide (PI) films that contain two types of nanoplatelets, amine-functionalized h-BN (BNNH2) and GO. We have elucidated that the critical ratio and the content of BNNH2 and GO within PI govern the films' mechanical properties. When the BNNH2/GO weight ratio was 52 : 1 and their content was 1 wt% in the PI film, the tensile modulus and tensile strength were increased by 155.2 MPa and 4.2 GPa compared with the pristine PI film.

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Synergic effect of graphene oxide and boron nitride on the mechanical properties of polyimide composite films

Abstract

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