Polyimide Copolymers Containing Various Levels Of The 6F Moiety For High Temperature And Microelectronic Applications

Autor:	Michael Jaffe, Edward C. Chenevey, William M. Cooper, M. Haider, Rohitkumar H. Vora, Morton Glick
Rok vydání:	1991
Předmět:	Materials science Trifluoromethyl business.industry Dielectric chemistry.chemical_compound Monomer Chemical engineering chemistry Copolymer Organic chemistry Moiety Microelectronics business Polyimide
Zdroj:	MRS Proceedings. 227
ISSN:	1946-4274 0272-9172
DOI:	10.1557/proc-227-35
Popis:	Trifluoromethyl group-containing polyimides not only show extraordinary electrical properties, but they also exhibit excellent long-term thermo-oxidative stability. Among the most thermomechanically stable structural polyimides are those from 6F dianhydride (6FDA) and 6F diamines. The effects of substituting non-fluorine containing monomers such as BTDA, mPDA and 4,4′-DADPS for the hexafluoroisopropylidene monomers on the dielectric, thermo-oxidative, thermal and mechanical properties of the copolymers were studied.
Databáze:	OpenAIRE
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