C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
253/136, 8/93.21
C07F 7/08 (2006.01) C08G 77/04 (2006.01) C08G 77/14 (2006.01) C08G 77/38 (2006.01) C10M 107/50 (2006.01)
Patent
CA 1121827
ABSTRACT OF THE DISCLOSURE Organoslloxanes are provided herein which have SiC-bonded ester groups and contain at least one unit of the general formula: Image in which R represents the same or different monovalent hydro- carbon radicals having from 1 to 12 carbon atoms, which are free of aliphatic unsaturation and which may contain one ether oxygen atom; R' represents hydrogen or a methyl group (CH3) and a is O, 1 or 2. These organosiloxanes can be prepared by hydrolyzing or co-hydrolyzing silanes of the general formula: ROOCCH2CH)COOR)CH2CHR'CH2Si(CH3)aX3-a, where R, R' and a are the same as above and X represents the same or different hydrolyzable atoms or groups. Also, they may be prepared by the addition of a diester of allyl succinic acid and/or methallyl succinic acid to an organoslloxane containing Si-bonded hydrogen. These new organosiloxanes may be used as lubricants for inorganic and organic fibers, metal surfaces and as hydraulic fluids.
322901
Deubzer Bernward
Eibel Ludwig
Friedrich Wilhelm
Hafner Walter
Kreis Gerhard
Consortium Fur Elektrochemische Industrie G.m.b.h.
Marcus & Associates
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