Surface active organosilicone compounds
View Patent ↗The present invention relates to new organodisilanes or carbodisilanes, a process for manufacturing the same and their use, in particular, as surface active agents, especially as spreading agents.
1. A compound of the formula (I):
R 1 —SiR 2 —X—SiR 2 —[O—SiR 2 ] m —R 2 I)
wherein R is selected from the group consisting of C 1 -C 22 alkyl, substituted C 1 -C 22 alkyl; C 6 -C 10 aryl, and substituted C 6 -C 10 aryl, wherein
R 1 and R 2 are independently selected from the group consisting of organic groups bound via a carbon atom to the silicon atoms, provided that at least one of R 1 and R 2 comprises a hydrophilic group, wherein X is a single bond or a divalent organic residue other than —CH 2 -CH 2 —, bound via a carbon atom to the silicon atoms, wherein m>0, and wherein one of R 1 and R 2 is a hydrophilic organic group and one of R 1 and R 2 is a non-hydrophilic organic group.
2. The compound of claim 1 , wherein m=1.
3. The compound of claim 1 , wherein R 2 represents a hydrophilic organic group.
4. The compound of claim 1 , wherein m=1, R 2 represents a hydrophilic organic group, and R 1 represents a non-hydrophilic organic group.
5. The compound of claim 1 , wherein the hydrophilic organic group is selected from the group consisting of polyethers, polyetheresters, amides, amine-N-oxides, sulfates, quaternary ammonium groups, zwitterionic groups, sulfonates, carboxyl groups, phosphate groups, hydroxyl groups, sulfosuccinate groups, and combinations thereof, wherein the non-hydrophilic group does not comprise any of the foregoing.
6. The compound of claim 1 , wherein the non-hydrophilic organic group is selected from the group consisting of C 1 -C 22 alkyl, C 1 -C 22 alkyl substituted with at least one fluoro atom, a C 6 -C 10 aryl, and a C 6 -C 10 aryl(C 1 -C 6 ) alkyl group.
7. The compound of claim 1 , wherein R 1 or R 2 represents a polyether group.
8. The compound of claim 7 , wherein the polyether group has the formula (2):
—Z—O—(C 2 H 4 O) a (C 3 H 6 O) b (C 4 H 8 O) c R 3 , (2)
wherein
Z is divalent and selected from the group consisting of linear C 1 -C 10 hydrocarbon radicals, branched C 1 -C 10 hydrocarbon radicals, substituted linear C 1 -C 10 hydrocarbon radicals and substituted branched C 1 -C 10 hydrocarbon radicals, wherein
2≦a+b+c≦200, provided that a≧2, and wherein
R 3 is selected from the group consisting of hydrogen, C 1 -C 22 alkyl, or substituted C 1 -C 22 alkyl.
9. A process for preparing compounds of formula (1′)
R 1 —SiR 2 —X—SiR 2 —[O—SiR 2 ] m —R 2 (1′)
wherein R is selected from the group consisting of C 1 -C 22 alkyl, substituted C 1 -C 22 alkyl; C 6 -C 10 aryl, and substituted C 6 -C 10 aryl, wherein
R 1 and R 2 are independently selected from the group consisting of organic groups bound via a carbon atom to the silicon atoms, provided that at least one of R 1 and R 2 comprises a hydrophilic group, wherein X is a single bond or a divalent organic residue, bound via a carbon atom to the silicon atoms, and wherein m>0,
which process comprises
(a) contacting a compound of formula (III)
Y—SiR 2 —X—SiR 2 —Y (III)
or a fraction comprising the same, wherein
R and X are defined as hereinabove, and Y is independently R 1 or a hydrolysable group provided that at least one Y-group is a hydrolyzable group,
together with an active hydrogen-containing compound to form a reaction product;
(b) optionally separating the reaction product;
(c) optionally hydrolyzing the reaction product with water;
(d) reacting the reaction product of (a), (b) or (c) with a compound of the formula (IV)
H—SiR 2 —[O—SiR 2 —] m —H (IV)
wherein R and m are each defined as above to obtain a compound of formula (V)
R 1 —SiR 2 —X—SiR 2 —[O—SiR 2 —] m —H (V)
(e) subjecting the Si—H group to a hydrosilylation reaction with an unsaturated organic compound having a hydrophilic group or a functional group that can be reacted with a hydrophilic group; and
(f) optionally reacting the functional group obtained in (e) with a compound to form the hydrophilic group to obtain the compound of formula (1′).
10. The compound of formula (V),
R 1 —SiR 2 —X—SiR 2 —[O—SiR 2 —] m —H (V)
wherein R 1 , R 2 , X, and m are each as defined as in claim 1 .
11. A surface active agent comprising the compound of claim 1 .
12. A substance selected from the group consisting of a wetting agent, a spreading agent, a foam stabilizing agent, a cleansing agent, an impregnating agent, an antistatic agent, a dispersing agent, an emulsifier, a leveling agent, a lubricating agent, and antifoaming agent and an antifogging agent, wherein the substance comprises the compound of claim 1 .
13. A substance selected from the group consisting of an agricultural composition, a laundry composition, a rinse-off composition, a personal care composition, a coating composition, a galvanic composition, a home care composition, a cleaning composition, a polishing composition, a detergent composition, a concrete composition, a textile treatment composition, an ink composition, a printing composition, an adhesive composition, a lubricating composition, and a composition comprising nano-particles, wherein the substance comprises the compound of claim 1 .
14. A composition comprising the compound of claim 1 and an active ingredient selected from the group consisting of agriculturally active ingredients, personal care ingredients, cosmetically active ingredients, detergent agents, anticorrosion agents, and lubricating agents.
15. The composition of claim 14 , wherein the agriculturally active ingredient is selected from the group consisting of pesticides, fungicides, insecticides, herbicides, plant growth regulators and fertilizers.
16. An aqueous emulsion wherein the discontinuous phase comprises water and the continuous phase comprises the compound of claim 1 .
17. An aqueous emulsion wherein the continuous phase comprises water and the discontinuous phase comprises the compound of claim 1 .
18. A non-aqueous emulsion wherein the discontinuous phase comprises a non-aqueous solvent and the continuous phase comprises the compound of claim 1 .
19. A non-aqueous emulsion wherein the continuous phase comprises a non-aqueous hydroxylic solvent and the discontinuous phase comprises the compound of claim 1 .