Rosin emulsion sizing agent

Details Rosin emulsion sizing agent Rosin emulsion sizing agent

1987-10-29

1990-07-24

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524555, 526304, 5263077, 106238, 106218, C08L 9304

Patent

active

049436082

ABSTRACT:
A rosin emulsion sizing agent comprising a fortified rosin, an at least partially quarternized product copolymer principal consisting of a (meth)acrylic acid alkylaminoalkyl ester or amide monomer and water exhibits excellent sizing effect in a papermaking system of higher pH, higher water hardness and higher temperature, in which conventional anionic rosin emulsion sizing agents cannot effectively function.

REFERENCES:
patent: 3804788 (1974-04-01), Funaoka et al.
patent: 3925328 (1975-12-01), Shibahara et al.
patent: 4098746 (1978-07-01), Becker et al.
patent: 4115331 (1978-09-01), Tominaga et al.
patent: 4129539 (1978-12-01), Fakla et al.
patent: 4618640 (1986-10-01), Tsuchida et al.
patent: 4681909 (1987-07-01), Ohta et al.

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