Water-soluble polymers plus natural resins sizing agent

Details Water-soluble polymers plus natural resins sizing agent Water-soluble polymers plus natural resins sizing agent

1985-02-13

1987-12-08

Lieberman, Allan M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524270, 524271, 524272, C08L 9300, C08L 9304

Patent

active

047119195

ABSTRACT:
The present invention relates to mixtures of water-soluble synthetic anionic polymers consisting of at least 80%-wt. acrylamide and/or methacrylamide and sizing media based on partly or totally saponified natural resins as well as the use of such mixtures in the production of paper and cardboard in order to reduce the absorbency and improve the dry strength of these products.

REFERENCES:
patent: 2343095 (1941-02-01), Smith
patent: 3804788 (1974-04-01), Fuhaoka et al.
patent: 4328141 (1982-05-01), Farewell et al.
patent: 4333795 (1982-06-01), Street
Abstract Bulletin of the Institute of Paper Chemistry, vol. 53, No. 9, Mar. 1983, p. 1070.
Encyclopedia of Polymer Science and Technology, vol. 1, pp. 190-192.
Kirk/Othmer, vol. 17, p. 478 (1968).

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