Selected 4-hydroxyphenyl anilino alkoxysilanes and their use as

Details Selected 4-hydroxyphenyl anilino alkoxysilanes and their use as Selected 4-hydroxyphenyl anilino alkoxysilanes and their use as

1982-02-22

1983-03-01

Shaver, Paul F.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

556425, C07F 710, C07F 718, C09K 500

Patent

active

043754201

ABSTRACT:
Disclosed are selected 4-hydroxyphenyl anilino alkoxysilanes of the formula: ##STR1## wherein R is hydrogen or a lower alkyl group having from 1 to 4 carbon atoms and each R' is individually selected from an alkyl group having 3 to 12 carbon atoms with the proviso that at least a majority of said R' radicals are sterically hindered alkyl groups. The compounds are disclosed to be effective antioxidants, especially in functional fluids having shielded polysilicate compounds, silicate esters, or silicone oils as base fluids.

REFERENCES:
patent: 2762823 (1956-09-01), Speier
patent: 2998406 (1961-08-01), Bailey et al.
patent: 3087909 (1963-04-01), Lewis et al.
patent: 3171851 (1965-03-01), Pepe
patent: 3249535 (1966-05-01), Keil
B. F. Goodrich Chemical Company Material Safety Data Sheet for Good-Rite.TM., (dated Sep. 1980).
Synopsis of Olin Corporation's U.S. Patents Relating to Silicate Cluster.TM., Shielded Polysilicate Compounds and Methods of Their Preparation and Use.
R. C. Gunderson and A. W. Hart, Synthetic Lubricants, Reinhold Publishing Corp., New York, (1962), pp. 11-14, 302-306, and 341.
R. E. Hatton, Introduction to Hydraulic Fluids, Reinhold Publishing Corp., New York, (1962), pp. 163-167.
Chemical Abstracts: 77:34691f; 93:134151d; 93:169202y; 93:169035w; and 93:96489k.

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