Papers containing fibrids derived from diamino diphenyl sulfone
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United States of America Patent
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Feb 21, 2012
Grant Date -
Jun 25, 2009
app pub date -
Dec 21, 2007
filing date -
Dec 21, 2007
priority date (Note) -
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Abstract
This invention relates to papers made with fibrids containing a polymer or copolymer derived from a monomer selected from the group consisting of 4,4′diaminodiphenyl sulfone, 3,3′diaminodiphenyl sulfone, and mixtures thereof. Such papers have high thermal stability and accept ink more readily than papers made solely with aramid fibrids.
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