Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1990-09-28
1992-03-24
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526248, 526262, C08F12240
Patent
active
050989715
ABSTRACT:
A fluorine-containing thermosetting resin having a three-dimensional crosslinking structure is obtained by polymerizing a bismaleimide compound having the formula, ##STR1## wherein Rf is fluorine, CF.sub.3, C.sub.2 F.sub.5 or C.sub.3 F.sub.7. The resin is excellent in moldability, thermal resistance and electric properties, has a low dielectric constant, is hence suitable as a molding material and can be used for molding materials, wiring boards, layer insulation films of LSI, etc.
REFERENCES:
R. T. Morrison and R. N. Boyd, Organic Chemistry, 3rd Ed., Allyn and Bacon, Boston, 1973, pp. 358-365.
Fukui Akihiro
Maruta Masamichi
Nagai Akira
Nishimura Shin
Takahashi Akio
Central Glass Co.
Hitachi , Ltd.
Nagumo M.
Schofer Joseph L.
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