• 专利标题:   Liquid crystal polymer material having high thermal conductivity useful in electronic housings and products having high heat dissipation requirements, comprises e.g. liquid crystal polyamide or liquid crystal epoxy resin, hindered phenolic antioxidant, alumina and decabromodiphenylethane.
  • 专利号:   CN114058155-A
  • 发明人:   ZHENG F, LIANG W, ZHENG Z, ZHENG Y, CHEN Y
  • 专利权人:   GUANGDONG POLYGRUIMER NEW MATERIALS CO
  • 国际专利分类:   C08K003/38, C08K009/06, C08L063/00, C08L077/00, C08L079/02
  • 专利详细信息:   CN114058155-A 18 Feb 2022 C08L-063/00 202242 Chinese
  • 申请详细信息:   CN114058155-A CN11584442 23 Dec 2021
  • 优先权号:   CN11584442

▎ 摘  要

NOVELTY - Liquid crystal polymer material having high thermal conductivity, comprises 80-100 pts. wt. liquid crystal polyamide or liquid crystal epoxy resin, 10-15 pts. wt. graphene-modified polyaniline derivatives, 10-20 pts. wt. silane-modified boron nitride nanosheets, 5-10 pts. wt. inorganic filler, 0.1-0.2 pts. wt. antioxidant, 0.1-0.2 pts. wt. heat stabilizer and 0.1-0.2 pts. wt. flame retardant. USE - The liquid crystal polymer material is useful in electronic housings and products having high heat dissipation requirements. ADVANTAGE - The liquid crystal polymer material has certain electrical conductivity and excellent antistatic effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing high thermal conductivity liquid crystal polymer material comprising (i) mixing thermotropic liquid crystal polymer material, thermosetting resin, inorganic filler, and other auxiliary agents them uniformly to obtain mixture S1, (ii) heating liquid crystal polyamide or liquid crystal epoxy resin to molten state, adding graphene-modified polyaniline derivative, stirring evenly, mechanically pulverizing to particles after cooling, (iii) uniformly mixing the above-mentioned particles, inorganic fillers, antioxidants, heat stabilizers and flame retardants to obtain mixture S1, and (iv) feeding mixture S1 into extruder from the main feeding port, and silane-modified boron nitride nanosheets into the extruder from the side feeding port, melt extruding and granulating to obtain final product.