Prepregs comprising a fibrous base with a first coating of C-stage thermosetting resin and an outer second coating of B-stage thermosetting resin and a method of making the same
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United States of America Patent
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Nov 28, 1995
Grant Date -
N/A
app pub date -
Jan 5, 1994
filing date -
May 15, 1992
priority date (Note) -
Expired
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Abstract
The invention concerns a compressible prepreg based on flat substrates impregnated with thermosetting synthetic resins, characterized in that it comprises a first, C stage synthetic-resin layer directly deposited on the substrate and a second, B stage synthetic-resin layer deposited on the first synthetic-resin layer.
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