Paper products sized with polyisocyanate blends

Details Paper products sized with polyisocyanate blends Paper products sized with polyisocyanate blends

1983-09-06

1985-03-19

Chin, Peter

Paper making and fiber liberation

Processes and products

With coating after drying

162158, 1621646, 427391, 427395, D21H 110

Patent

active

045057788

ABSTRACT:
Cellulosic papers having improved handling and strength properties result when made by using as an internal or surface sizing an aromatic polyisocyanate/isocyanate terminated prepolymer blend.

REFERENCES:
patent: 3084092 (1963-04-01), Arlt
patent: 3346445 (1967-10-01), Gay
patent: 3518113 (1970-06-01), MacGugan
patent: 3826769 (1974-07-01), Carlson
patent: 4096127 (1978-06-01), Schurmann et al.

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