Nonionic surfactants

Details Nonionic surfactants Nonionic surfactants

1976-09-07

1978-04-25

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252DIG1, 252 6, 252 13, 252170, 252351, 260458R, 19201, C07C 4302

Patent

active

040862798

ABSTRACT:
Nonionic surfactant compositions are made by reacting a 3 to 30-unit polyglycerol as hydrophile with a hydrophobic glycidyl ether in sufficient quantity to substitute 4 to 25% of the hydroxy groups of the polyglycerol. By using glycidyl ethers (which can be made conveniently by reaction of hydrophobic alcohol with epichlorohydrin) it becomes possible to avoid the expense of working with long-chain 1,2-epoxides. The surfactant compositions obtained have solubility and stability in a variety of concentrated ionic solutions, and especially in basic media.

REFERENCES:
patent: 2552529 (1951-05-01), De Groote
patent: 2679520 (1954-05-01), De Groote
patent: 3427248 (1961-02-01), Lamberti et al.
patent: 3865806 (1975-02-01), Knodel
patent: 3932532 (1976-01-01), Hunter
patent: 3954882 (1976-05-01), Kalopissij et al.

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