Process for preparing para-aromatic polyamide paper
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United States of America Patent
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Sep 13, 2005
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N/A
app pub date -
Jul 19, 1994
filing date -
Nov 29, 1993
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Expired
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Abstract
A process for producing a paper made essentially of a para-aromatic polyamide and having agglutinate portions, the process including subjecting to papermaking a composition comprising at least one member selected from the group of short fibers, staple fibers, pulp and polymer particles of a para-aromatic polyamide swollen with water, and then drying the resulting wet paper under pressure, preferably after removal of free water attached thereto. The para-aromatic polyamide paper obtained has heat resistance and stiffness and also has a high breaking length. This paper is thus useful as an insulating paper and can also be made useful as a material for composite materials by imparting other functions to the paper.
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