Thin, resin-saturable aromatic polyamide paper and process for m

Details Thin, resin-saturable aromatic polyamide paper and process for m Thin, resin-saturable aromatic polyamide paper and process for m

1990-03-02

1991-02-12

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

1621573, 162206, D21H 1326

Patent

active

049921410

ABSTRACT:
A nonwoven, flexible sheet and process for making same consisting essentially of a comingled mixture of about 55 to about 75% by weight short fibers of poly(meta-phenylene isophthalamide) and about 25 to about 45% by weight fibrids of poly(meta-phenylene isophthalamide). The sheet has a basis weight of between about 10 and about 25 g/m.sup.2 and a thickness of between about 25 and about 45 microns and is impregnatable with resins or silicone oils.

REFERENCES:
patent: 4519873 (1985-05-01), Amano et al.

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