In addition, the existence of nano-Al2O3 particles and its nanophase could restrain the relaxation response of the polymer molecular chain and reduce the dielectric constant of the nanocomposites.

• 此外，纳米Al2O3粒子的存在及其相畴的形成还可以抑制大分子链的松弛响应，降低了材料的介电常数。