Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-06-24
1976-07-20
Foelak, Morton
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 25S, 260 23XA, 260 285D, 260 304R, 260 306SB, 260 314R, 260 318S, 260 318R, 260 318M, 260 318B, 260 326R, 260 4575V, 260 463G, 2604482E, 260827, C08V 930
Patent
active
039706206
ABSTRACT:
Polyvinylchloride foam compositions are prepared by frothing. To prepare the compositions for frothing, the silicone surfactant frothing agents present are extended with oleophilic frothing aids which do not significantly detract from the hydrophobic and flame retardant properties of the foam. Further, the frothing aids may be used to control froth viscosity. From about 5.0 phr to about 10.0 phr of a frothing aid is added to about 2.0 phr to about 4.0 phr of the frothing agent present in the composition. Simple and complex organic phosphate and phosphite esters; organic nirogen compounds such as amines, aminoamides, alkanolamides, imidazolines, quaternaries, and nirogen-sulfur compounds; simple and complex organic borate esters such as 2-ethyl-hexyl borate, trihexylene glycol biborate, and tricresyl borate are useful as frothing aids.
REFERENCES:
patent: 2861963 (1958-11-01), Butsch
patent: 3061558 (1962-10-01), Alter
patent: 3674547 (1972-07-01), Noone
patent: 3705669 (1972-12-01), Cox et al.
patent: 3730931 (1973-05-01), Simoneau et al.
patent: 3790510 (1974-02-01), Flannigan
Diamond Shamrock Corporation
Foelak Morton
Levin Neal T.
Nunn Leslie G.
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