Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-05-21
1983-09-06
Phynes, Lucille M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
252 87, 252353, 525505, 525507, C08G 830, C08F28300
Patent
active
044030770
ABSTRACT:
The invention relates to novolak oxyalkylate mixed esters which, on the one hand, contain benzoyl and/or naphthoyl radicals and, on the other hand, contain maleic acid and/or sulfosuccinic acid half-ester groups. They are obtained by reacting novolak oxyalkylates with benzoic acid and/or naphthoic acid or with its anhydride or chloride on the one hand and maleic anhydride on the other hand and, if appropriate, reacting the maleic acid half-ester groups with sulfites to give sulfosuccinic acid half-ester groups. These compounds are highly suitable for use as dispersing agents for the preparation of low-foam dispersions of pigments, dyestuffs and other agents and as emulsifying, leveling and dyeing auxiliaries.
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patent: 3888828 (1975-06-01), Grossman et al.
patent: 4032514 (1977-06-01), Buriks et al.
patent: 4107229 (1978-08-01), Tideswell et al.
Deubel Reinhold
Uhrig Heinz
Weide Joachim
Hoechst Aktiengesellschaft
Phynes Lucille M.
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