Patent · US Expired

Process for surface sizing paper

US3983268A · kind A · utility

14Cited by

3References

7Claims

0Family size

Assignee

BASF SE

Inventors

Emil Scharf · Ludwigshafen, DE
Herbert Naarmann · Wattenheim, DE
Fritz Reichel · Hirschberg, DE

Key dates

Filing date	Nov 11, 1974
Grant date	Sep 28, 1976
Priority date	—
Expiry date	Nov 11, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2666/54
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Process for the manufacture of surface-sized papers by impregnating a paper with a solution containing a water-soluble salt of a random polymer based on .alpha.-olefins and ethylenically unsaturated acids and a compound of the formula: ##EQU1## wherein R is alkyl, aryl or a radical of the formula: ##EQU2## and R.sup.1 and R.sup.2 each independently denotes H, R or a radical of the formula: EQU R -- O-- CH.sub.2 -- and drying the impregnated paper. Very well sized papers are obtained which show alkali resistance and filler compatibility.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.