Synthesis, characterization, and properties of silane-functionalized expandable graphite composites

Tsung-Chih Wu, Kuang Chung Tsai, Mu Chen Lu, Hsu Chiang Kuan, Chia Hsun Chen, Chen Feng Kuan, Shao Lung Chiu, Shu Wei Hsu, Chin Lung Chiang

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this study, synthesis and properties of green flame retardant of silane-functionalized expandable graphite (EG) composites were investigated. The coupling agent was used to improve the interface between the matrix and EG. Fourier transform infrared spectrophotometry and X-ray photoelectron spectroscopy were adopted to characterize the functionalized EG. It was affirmed that 3-aminopropyltriethoxsilane (APTS) has been grafted on EG. The modified EG composites improved thermal property, corresponding to functionalized EG. 29Si-nuclear magnetic resonance and scanning electron microscopies were used to study the structure and the morphology property of the modified EG composites. It showed that flake graphite existed in the matrix. Energy dispersive X-ray analysis indicated that Si atoms appeared due to APTS grafted on EG. The expanded structures of graphite were formed after burning. The foamed layer demonstrated the mechanism of protection of EG. The results present poly(methylmethacrylate)/silane-modified EG(PMMA, poly(methylmethacrylate) composites that have excellent thermal stability and flame-retardant property compared to pure PMMA resin.

Original languageEnglish
Pages (from-to)1483-1496
Number of pages14
JournalJournal of Composite Materials
Volume46
Issue number12
DOIs
Publication statusPublished - 2012 Jun 1

Fingerprint

Silanes
Graphite
Composite materials
Flame Retardants
Methylmethacrylate
Polymethyl Methacrylate
Flame retardants
Energy dispersive X ray analysis
Coupling agents
Spectrophotometry
Fourier transforms
Thermodynamic stability
Thermodynamic properties

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Materials Chemistry

Cite this

Wu, Tsung-Chih ; Tsai, Kuang Chung ; Lu, Mu Chen ; Kuan, Hsu Chiang ; Chen, Chia Hsun ; Kuan, Chen Feng ; Chiu, Shao Lung ; Hsu, Shu Wei ; Chiang, Chin Lung. / Synthesis, characterization, and properties of silane-functionalized expandable graphite composites. In: Journal of Composite Materials. 2012 ; Vol. 46, No. 12. pp. 1483-1496.
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Wu, T-C, Tsai, KC, Lu, MC, Kuan, HC, Chen, CH, Kuan, CF, Chiu, SL, Hsu, SW & Chiang, CL 2012, 'Synthesis, characterization, and properties of silane-functionalized expandable graphite composites', Journal of Composite Materials, vol. 46, no. 12, pp. 1483-1496. https://doi.org/10.1177/0021998311421043

Synthesis, characterization, and properties of silane-functionalized expandable graphite composites. / Wu, Tsung-Chih; Tsai, Kuang Chung; Lu, Mu Chen; Kuan, Hsu Chiang; Chen, Chia Hsun; Kuan, Chen Feng; Chiu, Shao Lung; Hsu, Shu Wei; Chiang, Chin Lung.

In: Journal of Composite Materials, Vol. 46, No. 12, 01.06.2012, p. 1483-1496.

Research output: Contribution to journalArticle

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AU - Tsai, Kuang Chung

AU - Lu, Mu Chen

AU - Kuan, Hsu Chiang

AU - Chen, Chia Hsun

AU - Kuan, Chen Feng

AU - Chiu, Shao Lung

AU - Hsu, Shu Wei

AU - Chiang, Chin Lung

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N2 - In this study, synthesis and properties of green flame retardant of silane-functionalized expandable graphite (EG) composites were investigated. The coupling agent was used to improve the interface between the matrix and EG. Fourier transform infrared spectrophotometry and X-ray photoelectron spectroscopy were adopted to characterize the functionalized EG. It was affirmed that 3-aminopropyltriethoxsilane (APTS) has been grafted on EG. The modified EG composites improved thermal property, corresponding to functionalized EG. 29Si-nuclear magnetic resonance and scanning electron microscopies were used to study the structure and the morphology property of the modified EG composites. It showed that flake graphite existed in the matrix. Energy dispersive X-ray analysis indicated that Si atoms appeared due to APTS grafted on EG. The expanded structures of graphite were formed after burning. The foamed layer demonstrated the mechanism of protection of EG. The results present poly(methylmethacrylate)/silane-modified EG(PMMA, poly(methylmethacrylate) composites that have excellent thermal stability and flame-retardant property compared to pure PMMA resin.

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