Latex compositions

Details Latex compositions Latex compositions

1975-04-30

1977-03-29

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 297P, 260 297SQ, 260 297NQ, 260 297SE, 260 297N, 260 297NE, 260 297E, 260 297PT, 526193, 526214, 526217, 526225, 526234, 526273, 526311, 526331, 526338, C08L 900, C08L 904, C08L 908, C08L 2514

Patent

active

040148432

ABSTRACT:
High solids latex suitable for no-gel foam applications is prepared by polymerizing an aliphatic conjugated diolefin, optionally with at least one copolymerizable monomer e.g. styrene, acrylonitrile or vinylidene chloride, in an aqueous emulsion containing less than 6 parts by weight per 100 parts monomers of a polymerization promoting synthetic emulsifier system e.g. sodium alkyl sulfate or ether sulfate and/or sodium sulfosuccinate and from about 0.001 to less than 0.2 parts by weight of a water dispersible agglomerating agent comprising the reaction product of a polyoxyalkylene glycol having a molecular weight of at least 5,000 with the polyepoxide obtained by reacting epichlorohydrin with a polyhydric phenol.
The latex is stable and can be compound with fillers and then frothed in the absence of gelling agents to produce a uniform foam.

REFERENCES:
patent: 3288741 (1966-11-01), Cheng
patent: 3330795 (1967-07-01), Schluter
patent: 3409569 (1968-11-01), Lane et al.
Union Carbide Publication, Carbowax Polyethylene Glycols, pp. 2, 3, 6-16, 19, 20.
Blackley, High Polymer Latices, I, pp. 121-122, (Applied Science, 1966).

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