Process for producing fibrous sheet

Details Process for producing fibrous sheet Process for producing fibrous sheet

1983-02-09

1985-05-28

Chin, Peter

Paper making and fiber liberation

Processes and products

Electrical or magnetic product characteristic

162146, 1621573, 162205, D21H 512

Patent

active

045198730

ABSTRACT:
A heat resistant thin paper excellent in electrical insulating property can be obtained by subjecting pulp-like particles of aromatic polyamide or aromatic polyamide-imide, which have a low freeness and a low ion content to wet paper-making process, drying and then making the resulting web dense under a pressure.

REFERENCES:
patent: 3532800 (1970-10-01), Wyly et al.
patent: 3756908 (1973-09-01), Gross
patent: 4091058 (1978-05-01), Sander et al.
Tappi, "Freeness Scale Interconversion", (1945).

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