Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent
1979-04-18
1981-03-17
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From aldehyde or derivative thereof as reactant
260 296MQ, 260 296NR, 260 297NR, 260 297SQ, 260505R, C08G 1602
Patent
active
042568714
ABSTRACT:
A condensation product of naphthalenesulfonic acid and linear alkyl benzenesulfonic acid having an alkyl moiety of from about 4 to about 20 carbon atoms with formaldehyde or salt thereof is useful as a secondary emulsifier and co-emulsifier in synthetic polymer latex processes. From about 0.05 to about 5 parts by weight of the condensation product per 100 parts by weight of latex monomer is used as a secondary emulsifier and from about 0.5 to about 5 parts by weight of the condensation product per 100 parts by weight of latex monomer is used as a co-emulsifier. Additionally, products can be prepared which have been found to be biodegradable. Use of these condensation products eliminates pollution caused by a secondary emulsifier or co-emulsifier in polymer manufacture effluent.
REFERENCES:
patent: 2141569 (1938-12-01), Tucker et al.
patent: 2604467 (1952-07-01), Crouch et al.
patent: 3277162 (1966-10-01), Johnson
Kavchok Ronald W.
Papalos John G.
Anderson Harold D.
Diamond Shamrock Corporation
Nunn, Jr. Leslie G.
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