Prepreg, process for preparation of prepreg, and products derived therefrom
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United States of America Patent
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Apr 30, 1996
Grant Date -
N/A
app pub date -
Jul 6, 1994
filing date -
Dec 28, 1993
priority date (Note) -
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Abstract
A new prepreg material having good tack drape properties and feasible out-time and articles derived therefrom as well as processes for preparation these products are disclosed. The prepreg is prepared by impregnating inorganic fibers with a compostion comprising: (A) fine powder of a metal oxide or oxides having an average particle diameter of not larger than 1 .mu.m, (B) a soluble siloxane polymer having double chain structure, (C) a trifunctional silane compound having at least one ethylenically unsaturated double bond in the molecule thereof, (D) a organic peroxide, (E) a radically polymerizable monomer having at least two ethylenically unsaturated double bonds; and heating the impregnated fibers.
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