聚三唑树脂/氮化硼纳米片复合材料的制备与性能

doi:10.11896/cldb.22100089

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Abstract Amino- and hydroxyl-functionalized boron nitride nanosheets (BNNS-AH) were prepared in high yield by dry ball milling using hexagonal boron nitride (h-BN), sucrose and urea. The thickness of the BNNS-AH is about 1.5 nm, the number of layers is 4—6, the average diameter is about 1.5 μm, the yield can reach 91.0%, the stable dispersion concentration in water can reach 30 mg/mL. Then polytriazole resin/boron nitride nanosheet (PTA resin/BNNS-AH)composites were prepared by blending method. And the effect of BNNS-AH addition on PTA resin/BNNS-AH composites was studied. The results show that compared with the pure PTA resin, the T_g, T_d5 and thermal conductivity of the composite are significantly improved. When the mass fraction of BNNS-AH is 3.0wt%, the T_g of the composite reaches 243 ℃, an increase of 32 ℃; T_d5 reaches 362 ℃, an increase of 19 ℃; the thermal conductivity is 0.33 W·m^-1·K^-1, an increase of 64.5%.

Key words： polytriazole resin composite material boron nitride nanosheets heat resistance thermal conductivity

Published: 25 April 2024 Online: 2024-04-28

CLC number:

TQ325

Fund:Fundamental Research Funds for the Central Universities (JKD01221701).

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	Articles by authors
	ZHANG Yu
	LI Yujing
	WAN Liqiang
	HUANG Farong
	LIU Zuozhen

Cite this article:

ZHANG Yu,LI Yujing,WAN Liqiang, et al. Preparation and Properties of Polytriazole Resin/Boron Nitride Nanosheet Composites[J]. Materials Reports, 2024, 38(8): 22100089-8.

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https://www.mater-rep.com/EN/10.11896/cldb.22100089 OR https://www.mater-rep.com/EN/Y2024/V38/I8/22100089

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