Organic compounds -- part of the class 532-570 series – Organic compounds – Cyanate esters
Patent
1987-04-03
1988-05-17
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyanate esters
528422, 525424, 4284228, C07C 7100, C08G 7300, B32B 2700
Patent
active
047452153
ABSTRACT:
4,4'-(Hexafluoroisopropylidene) bisphonol dicyanate and related compounds have reduced dielectric constant, reduced moisture absorption, and increase Tg making such compounds especially suitable for various electronic applications, such as circuit packaging or in forming prepregs and circuit boards.
REFERENCES:
patent: 3180883 (1965-04-01), Case
patent: 3294713 (1966-12-01), Hudson et al.
patent: 3681292 (1972-08-01), Loudas
patent: 3707486 (1972-12-01), Oertel
patent: 3829460 (1974-08-01), Buttner
patent: 4477629 (1984-10-01), Hefner
Cox Robert J.
Summa William J.
Wang David W.
International Business Machines - Corporation
Siegel Alan
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