Basic composition for the manufacture of a flexible and porous product in sheet form containing elastomer powder, product in sheet form and its manufacturing process
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United States of America Patent
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Jan 11, 1994
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N/A
app pub date -
Aug 12, 1992
filing date -
Sep 30, 1988
priority date (Note) -
Expired
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Abstract
The present invention relates to a basic composition for the manufacture of a product in sheet form, obtained in particular by the wet method, of the type comprising a mixture of a polymer powder of given granulometry and of fibers, characterized in that it comprises a preferably intimate mixture of: a) at least one elastomer powder, of granulometry less than about 500 .mu.m, called elastomer fine dust, and b) fibers of length less than about 10 mm, selected from the group composed of natural fibers, inorganic fibers and mixtures thereof.
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