Method of manufacturing aqueous fortified rosin dispersion

Details Method of manufacturing aqueous fortified rosin dispersion Method of manufacturing aqueous fortified rosin dispersion

1984-06-12

1985-10-01

Morris, Theodore

Stock material or miscellaneous articles

Composite

Of natural gum, rosin, natural oil or lac

106238, B32B 906, C08L 9304

Patent

active

045446083

ABSTRACT:
A method of manufacturing an aqueous O/W dispersion of fortified rosin for use in the sizing of paper by mixing the same with water and a dispersing agent by first forming a dispersion of the W/O type in the presence of the dispersing agent and then turning the first dispersion to an O/W type by sequential addition of water thereto, wherein said dispersing agent has the general formula: ##STR1## in which R is a straight- or branched-chain alkyl group having 4 to 24 C atoms, n is an integer of 6 to 20, and M.sup.+ is a cation selected from the group consisting of Na.sup.+, K.sup.+, and NH.sub.4.sup.+.

REFERENCES:
patent: 3565755 (1971-02-01), Davison
patent: 4148665 (1979-04-01), Kulick et al.
patent: 4203776 (1980-05-01), Greiner
patent: 4309338 (1982-01-01), Okumichi et al.

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