Pipd Paper and Components Made Therefrom
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Dec 19, 2006
filing date -
Dec 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns a paper useful as an structural component, the paper comprising 20 to 100 percent by weight of polypyridobisimidazole fiber and a binder material, wherein the paper has (i) a density of 0.08 to 1.5 grams per cubic centimeter and (ii) a basis weight of from 10 to 150 grams per square meter, and the paper, when impregnated with at least 15% by weight of phenolic resin, has a specific tensile stiffness of at least 100 (N/cm)/(g/m2), wherein the weight % is based on the total weight of the paper and resin.
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