Properties of hexagonal boron nitride reinforced low-protein natural rubber latex
Using low-protein natural rubber latex(LPNRL) as the matrix , hexagonal boron nitride(h-BN) as the thermally conductive filler, and adding γ-polyglutamic acid (γ-PGA), the γ-PGA/h-BN/LPNRL composite films were prepared by mechanical blending. The results showed that γ-PGA could improve the dispersio...
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| Formato: | article |
| Lenguaje: | ZH |
| Publicado: |
Editorial Office of China Synthetic Rubber Industry
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/acdd6c380db3435bb03b276192c70311 |
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| Sumario: | Using low-protein natural rubber latex(LPNRL) as the matrix , hexagonal boron nitride(h-BN) as the thermally conductive filler, and adding γ-polyglutamic acid (γ-PGA), the γ-PGA/h-BN/LPNRL composite films were prepared by mechanical blending. The results showed that γ-PGA could improve the dispersion of h-BN in water and LPNRL matrix. When the mass fraction of γ-PGA and h-BN were 1.5% and 15.0%, the thermal conductivity of the γ-PGA/h-BN/LPNRL composite films increased to 0.634 W/(mK), which was 4.77 times greater than that of pure LPNRL film. The tensile strength of the composite films increased to 8.06 MPa, which was 3.1 times stronger than that of the pure LPNRL films, and the elongation at break was reduced to 980%. The addition of h-BN could significantly improve the thermal stability and tensile strength of the composite films. |
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