Polymer with low dielectric constant and molecular structure design method to reduce polymer dielectric constant

摘要

The present invention discloses a polymer having a low dielectric constant and a molecular structure design method for reducing polymer dielectric constant, which utilizes the design possibilities of the polymer molecular chain pendant group, and is a straight chain in the pendant benzene ring or biphenyl chain segment structure meta position. Introduces rigid functional groups, loose rotation of pendant benzene rings to form larger size free volume electron holes in the material, inhibits molecular chain stacking, and further reduces polymer material dielectric constant . The design method of the present invention is applied to high performance polymer materials, which are simple and frequently seen, can be applied to low dielectric polymer materials, and applied to high technology industries such as electronics, microelectronics, information and aerospace, and especially large scale integrated circuits. Applies to the area.