HYDROLYSIS RESISTANT ORGANOMODIFIED TRISILOXANE SURFACTANTS
Three types of trisiloxane surfactants having the basic formula: MDM′ are described wherein the substituents on the differing M and M′ groups in conjunction with a pendant polyalkylene oxide substituents on the D group to render the surfactant resistant to hydrolysis under either basic or acidic conditions.
1 - 40 . (canceled)
41 . A silicone composition comprising a silicone having the formula:
M 3 D 2 M 4
wherein
M 3 =(R 10 )(R 11 )(R 12 )SiO 1/2 ;
M 4 =(R 13 )(R 14 )(R 15 )SiO 1/2 ; and
D 2 =(R 16 )(Z′)SiO 2/2 ,
where R 10 , R 11 , R 12 R 13 , R 14 , R 15 and R 16 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and an alkyl hydrocarbon group of 4 to 9 carbons containing an aryl substituents of 6 to 20 carbon atoms; Z′ is an alkylene oxide group of the formula:
R 17 (C 2 H 4 O) d (C 3 H 6 O) e (C 4 H 8 O) f R 18 , where R 17 has the formula:
—C 4 H 8 O—(C 2 H 4 O)—
with R 18 selected from the group consisting of H, monovalent hydrocarbon radicals of from 1 to 6 carbon atoms and acetyl, the subscripts d, e and f are zero or positive and satisfy the following relationships:
2≦d+e+f≦20 with d≧2.
42 . The composition of claim 41 where the subscript f is 0.
43 . The composition of claim 41 where the subscript e ranges from 0 to 3.
44 . The composition of claim 41 where the subscript d ranges from 8 to 11.
45 . The composition of claim 41 where R 10 , R 11 , R 12 , R 13 , R 14 , R 15 and R 16 are methyl.
46 . The composition of claim 41 where R 18 is methyl.
47 . The composition of claim 42 where the subscript e is 0.
48 . The composition of claim 47 where the subscript d is 8.
49 . The composition of claim 48 where R 10 , R 11 , R 12 , R 13 , R 14 , R 15 and R 16 are methyl.
50 . The composition of claim 49 where R 18 is methyl.
51 . A silicone composition comprising a silicone having the formula:
M 3 D 2 M 4
wherein
M 3 =(R 10 )(R 11 )(R 12 )SiO 1/2 ;
M 4 =(R 13 )(R 14 )(R 15 )SiO 1/2 ; and
D 2 =(R 16 )(Z′)SiO 2/2
where R 10 , R 11 , R 12 R 13 , R 14 , R 15 and R 16 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and an alkyl hydrocarbon group of 4 to 9 carbons containing an aryl substituents of 6 to 20 carbon atoms; Z′ is an alkylene oxide group of the formula:
R 17 (C 2 H 4 O) d (C 3 H 6 O) e (C 4 H 8 O) f R 18 , where R 17 has the formula;
—C 4 H 8 O—(C 2 H 4 O)—
with R 18 selected from the group consisting of H, monovalent hydrocarbon radicals of from 1 to 6 carbon atoms and acetyl, the subscripts d, e and f are zero or positive and satisfy the following relationships:
2≦d+e+f≦20 with d≧2 wherein said silicone composition has an enhanced resistance to hydrolysis.
52 . The composition of claim 51 where the subscript f is 0.
53 . The composition of claim 51 where the subscript e ranges from 0 to 3.
54 . The composition of claim 51 where the subscript d ranges from 8 to 11.
55 . The composition of claim 51 where R 10 , R 11 , R 12 , R 13 , R 14 , R 15 and R 16 are methyl.
56 . The composition of claim 51 where R 18 is methyl.
57 . The composition of claim 52 where the subscript e is 0.
58 . The composition of claim 57 where the subscript d is 8.
59 . The composition of claim 58 where R 10 , R 11 , R 12 , R 13 , R 14 , R 15 and R 16 are methyl.
60 . The composition of claim 59 where R 18 is methyl.
61 . An aqueous emulsion wherein the discontinuous phase comprises water and the continuous phase comprises the composition of claim 41 .
62 . An aqueous emulsion wherein the discontinuous phase comprises water and the continuous phase comprises the composition of claim 51 .
63 . An aqueous emulsion wherein the continuous phase comprises water and the discontinuous phase comprises the composition of claim 41 .
63 . An aqueous emulsion wherein the continuous phase comprises water and the discontinuous phase comprises the composition of claim 51 .
65 . A non-aqueous emulsion wherein the discontinuous phase comprises a non-aqueous hydroxylic solvent and the continuous phase comprises the composition of claim 41 .
66 . A non-aqueous emulsion wherein the discontinuous phase comprises a non-aqueous hydroxylic solvent and the continuous phase comprises the composition of claim 51 .
67 . A non-aqueous emulsion wherein the continuous phase comprises a non-aqueous hydroxylic solvent and the discontinuous phase comprises the composition of claim 41 .
68 . A non-aqueous emulsion wherein the continuous phase comprises a non-aqueous hydroxylic solvent and the discontinuous phase comprises the composition of claim 51 .
69 - 104 . (canceled)