Process for making spontaneously dispersible modified cellulosic

Details Process for making spontaneously dispersible modified cellulosic Process for making spontaneously dispersible modified cellulosic

1978-07-14

1981-02-24

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Plural, intermittent pressure applying

264121, B29J 102

Patent

active

042527619

ABSTRACT:
Strong, low basis weight, spontaneously dispersible sheets of modified cellulosic fibers. The sheets are prepared from modified cellulosic fibers such as cross-linked carboxymethyl cellulose or essentially acidic sodium carboxymethyl cellulose. Mixtures of modified fibers with unmodified fibers are also disclosed. The process of preparing the sheets comprises the steps of airlaying the fibers to form an airfelt, increasing the moisture content of the airfelt, and compacting the moisturized airfelt.

REFERENCES:
patent: 3071805 (1963-01-01), Merkle
patent: 4096311 (1978-06-01), Pietreniak
patent: 4160004 (1979-07-01), Curry et al.

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