Aqueous dispersions containing alkaline earth soaps and/or alkaline earth resin soaps for deinking printed wastepaper
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United States of America Patent
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Nov 8, 1994
Grant Date -
N/A
app pub date -
Apr 20, 1992
filing date -
Oct 19, 1989
priority date (Note) -
Expired
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Abstract
The invention relates to aqueous dispersions of alkaline earth metal soaps and/or alkaline earth metal resin soaps for deinking printed wastepaper in which the dispersions contain A. alkaline earth metal salts of C.sub.6-22 carboxylic acids and/or resinic acids and B. C.sub.6.22 oxoalcohols alkoxylated with 2 to less than 6 mol C.sub.2-4 alkylene oxides and alkali metal and/or alkaline earth metal alumimo silicates corresponding to general formula I 0.7-1.5 cat.sub.2/n O.Al.sub.2 O.sub.3.0.8-6 SiO.sub.2 in which cat represents alkali metal and/or alkaline earth metal cations and n is the valency of the alkali metal and/or alkaline earth metal cations.
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