02-01-2020 дата публикации
Номер: US20200002477A1
Provided is a polyimide resin composition and a production method thereof, wherein the polyimide resin composition contains an alicyclic polyimide resin having a structural unit represented by the following general formula (1) and inorganic particles of at least one selected from the group consisting of titanium dioxide, barium titanate, and zirconium oxide, wherein the alicyclic polyimide resin has a glass transition temperature of 260° C. or higher, 2. The polyimide resin composition according to claim 1 ,wherein a polyimide film with a thickness of 1 μm of the polyimide resin composition has a total light transmittance of 75% or greater.3. The polyimide resin composition according to claim 1 ,wherein a tetracarboxylic acid component of the alicyclic polyimide resin is derived from a tetracarboxylic acid selected from the group consisting of 1,2,3,4-cyclobutanetetracarboxylic acid, 1,2,4,5-cyclopentanetetracarboxylic acid, 1,2,4,5-cyclohexanetetracarboxylic acid, bicyclo[2.2.2]octa-7-en-2,3,5,6-tetracarboxylic acid, dicyclohexyltetracarboxylic acid, and regioisomers thereof.5. The polyimide resin composition according to claim 1 ,wherein a diamine component of the alicyclic polyimide resin is derived from a diamine selected from the group consisting of 1,4-bis(4-amino-α,α-dimethylbenzyl)benzene, 4,4′-bis(4-aminophenoxy)biphenyl, 5-amino-1,3,3-trimethyl-1-(4-aminophenyl)-indane, 6-amino-1,3,3-trimethyl-1-(4-aminophenyl)-indane, 2,2′-dimethylbenzidine, and 2,2′-bis(trifluoromethyl)benzidine.7. The method for producing a polyimide resin composition according to claim 6 ,wherein a solvent of the polyimide resin solution is one or more selected from the group consisting of N-methyl-2-pyrrolidone, N,N-dimethylacetamide, γ-butyrolactone, N,N-dimethylformamide, dimethyl sulfoxide, hexamethylphosphoramide, tetramethylene sulfone, p-chlorophenol, m-cresol, 2-chloro-4-hydroxytoluene, and 1,3-dioxolane.8. The method for producing a polyimide resin composition according to ...
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