Process for softening paper in manufacture

Details Process for softening paper in manufacture Process for softening paper in manufacture

1996-04-12

1998-02-10

Czaja, Donald E.

Paper making and fiber liberation

Processes and products

Non-fiber additive

162179, 162111, D21H 2122, D21H 1707, D21H 1114

Patent

active

057164983

ABSTRACT:
Paper having a improved softness is obtained by adding to the fiber suspension from which the paper is made, a quaternized fatty acid trialkanolamine ester salt of the formula (I) ##STR1## in which R.sup.1 CO represents an acyl radical having 6 to 22 carbon atoms, R.sup.2 and R.sup.3, independently of one another, represent hydrogen or R.sup.1 CO, (ALK) is ethyl or propyl, R.sup.4 represents an alkyl radical having 1 to 4 carbon atoms or a (CH.sub.2 CH.sub.2 O).sub.q H group, the sum of m, n and p represents O or numbers from 1 to 12, q represents numbers from 1 to 12 and X represents halide, alkylsulfate or alkylphosphate.

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patent: 5437766 (1995-08-01), Van Phan et al.
patent: 5538595 (1996-07-01), Trokhan et al.
patent: 5543067 (1996-08-01), Phan et al.
patent: 5552020 (1996-09-01), Smith et al.

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