Patent ID: 9587121
Date: 2017-03-07
CPC Classifications: C08G,C09C,C09D,G03F

Claim:
1. A functional material, which comprises an inorganic powder provided with a modifying layer on a surface thereof, wherein the inorganic powder comprises: any one or more selected from a group consisting of aluminum oxide, magnesium oxide, zinc oxide, zirconium oxide, silicon dioxide, titanium dioxide, boron oxide, iron sesquioxide, calcium oxide, potassium oxide, sodium oxide, and lithium oxide; the modifying layer is formed by the reaction of a dianhydride and a diamine; wherein: the dianhydride used to form the modifying layer contains at least one phenyl group; and the diamine used to form the modifying layer contains at least one phenyl group or one six-membered carbon ring other than a phenyl group; the dianhydride used to form the modifying layer is any one selected from a group consisting of pyromellitic dianhydride, benzophenone dianhydride, diphenyl dianhydride, diphenyl ether dianhydride and 4,4′-(hexafluoroisopropylidene)diphthalic anhydride; and the diamine used to form the modifying layer is any one selected from a group consisting of 3-aminobenzylamine, 2,2′-difluoro-4,4′-(9-fluorenylidene)diphenylamine, 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane, hexahydro-m-xylylene diamine, 1,4-di(aminomethyl)cyclohexane, 2,2-bis[4-(4-aminophenoxy)phenyl]hexafluoropropane, 2,2-bis(3-amino-4-tolyl)hexafluoropropane, 2,2-bis(3-aminophenyl)hexafluoropropane, 2,2-bis(4-aminophenyl)hexafluoropropane, 2,7-diaminofluorene, m-xylylene diamine and 4,4′-methlene-bis(2-ethyl-6-methylaniline).