Low-foaming alkoxy-bis(trialkoxysiloxy)-silane surfactants

Details Low-foaming alkoxy-bis(trialkoxysiloxy)-silane surfactants Low-foaming alkoxy-bis(trialkoxysiloxy)-silane surfactants

1979-05-21

1980-10-07

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

252351, C07F 704, C07F 718

Patent

active

042267943

ABSTRACT:
Novel surface active agents are disclosed having the formula: ##STR1## wherein R is hydrogen, an alkyl, alkenyl, aryl or aralkyl group; each R' is independently selected from the same group as R with the proviso that at least a majority of R' radicals attached to each Si atom are sterically hindered alkyl groups having at least 3 carbon atoms; each R''' independently is selected from hydrogen or methyl; and n is an integer of from about 10 to about 75.

REFERENCES:
patent: 2839558 (1958-06-01), Kirkpatrick et al.
patent: 2990377 (1961-06-01), May
patent: 3336227 (1967-08-01), Gothel et al.
patent: 3965136 (1976-06-01), Knollmueller
patent: 3976675 (1976-08-01), Scott et al.
patent: 4160776 (1979-10-01), Scardera et al.

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