Process for sizing paper with anionic hydrophobic sizing agents

Details Process for sizing paper with anionic hydrophobic sizing agents Process for sizing paper with anionic hydrophobic sizing agents

1983-05-23

1986-12-09

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621641, 1621681, 162175, 162179, D21H 312

Patent

active

046278893

ABSTRACT:
Sizing agents which are novel compounds and have at least one anionic or acidic group which is optionally in salt form and at least two hydrophobic substituents of which at least two of the most adjacent ones are bonded to each other with a bridging member which has at least 1 carbon atom and 2 hetero atoms, at least one sulfur atom being present as hetero atom, in particular sulfimides or bisulfimides of fatty acid derivatives, are highly suitable for use, together with commercially available retention aids, in a process for sizing paper or cardboard.

REFERENCES:
patent: 2222532 (1940-11-01), Eggert et al.
patent: 3050437 (1962-08-01), Arlt
patent: 3345251 (1967-10-01), Gaertner
patent: 3378399 (1968-04-01), Rambosek
patent: 3454606 (1969-07-01), Brotherton et al.
patent: 3953283 (1976-04-01), Wing et al.
J. P. Casey, "Pulp and Paper", vol. III, 3rd ed., 1981, pp. 1577-1592.

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