m-BN/PNF nanocomposite paper with nacre-mimetic layered structures prepared via sol–gel film transformation approach presents excellent thermal conductivity, incredible electrical insulation, outstanding mechanical property and thermal stability.

When the mass fraction of m-BN is 50 wt%, m-BN/PNF nanocomposite paper exhibits excellent thermal conductivity and electrical insulation. The λ_∥ and λ_⊥ are 9.68 and 0.84 W m⁻¹ K⁻¹, and the volume resistivity and breakdown strength are as high as 2.3 × 10¹⁵ Ω cm and 324.2 kV mm⁻¹, respectively.

The m-BN/PNF nanocomposite paper with 50 wt% m-BN also presents outstanding mechanical properties (tensile strength of 193.6 MPa) and thermal stability (thermal decomposition temperature of 640 °C).

通过溶胶-凝胶膜转变方法制备的具有珍珠层模拟层状结构的 m-BN/PNF 纳米复合纸具有优异的导热性、令人难以置信的电绝缘性、出色的机械性能和热稳定性。

当 m-BN 的质量分数为 50 wt% 时，m-BN/PNF 纳米复合纸表现出优异的导热性和电绝缘性。λ_∥ 和 λ_⊥ 分别为 9.68 和 0.84 W ^{m-1 K-1}，体积电阻率和击穿强度分别高达 2.3 × 10¹⁵ Ω cm 和 324.2 kV ^mm-1。

m-BN 含量为 50 wt% 的 m-BN/PNF 纳米复合纸还具有出色的机械性能（拉伸强度为 193.6 MPa）和热稳定性（热分解温度为 640 °C）。