US 12,466,950 B2
Phthalonitrile-based composite material, preparation method therefor and use thereof
Heng Zhou, Beijing (CN); Ying Guo, Beijing (CN); Tong Zhao, Beijing (CN); and Xianyuan Liu, Beijing (CN)
Assigned to INSTITUTE OF CHEMISTRY, CHINESE ACADEMY OF SCIENCES, Beijing (CN)
Appl. No. 17/998,515
Filed by INSTITUTE OF CHEMISTRY, CHINESE ACADEMY OF SCIENCES, Beijing (CN)
PCT Filed May 11, 2021, PCT No. PCT/CN2021/093026
§ 371(c)(1), (2) Date Nov. 11, 2022,
PCT Pub. No. WO2021/228081, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 202010394333.2 (CN), filed on May 11, 2020; and application No. 202011331086.8 (CN), filed on Nov. 24, 2020.
Prior Publication US 2023/0193023 A1, Jun. 22, 2023
Int. Cl. C08L 71/08 (2006.01); C08K 3/04 (2006.01); C08K 3/22 (2006.01)
CPC C08L 71/08 (2013.01) [C08K 3/04 (2013.01); C08K 2003/2227 (2013.01); C08K 2201/001 (2013.01); C08K 2201/014 (2013.01)] 11 Claims
 
1. A phthalonitrile-based composite material, comprising aluminum oxide coated graphite particles disposed in a matrix of phthalonitrile resin to form a thermally conductive path, wherein each of the aluminum oxide coated graphite particles comprises a coating on a surface of a graphite particle,
wherein the phthalonitrile resin is formed by polymerizing a phthalonitrile monomer of formula (1):

OG Complex Work Unit Chemistry
wherein R is selected from group consisting of:

OG Complex Work Unit Chemistry