The present invention provides for a composition comprising a siloxane having the formula: M1D M2 wherein M1=(R1)(R2)(R3)SiO1/2; M2=(R4)(R5)(R6)SiO1/2 and D=(R7)(Z)SiO2/2 where R1, R2, R3 R4, R5, R6 and R7 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R8—RA, R9 Rc and R10—RZ; RA being an anionic substituent, Rc a cationic substituent or Rz a zwitterionic substituent on the D group wherein the composition is resistant to hydrolysis under either basic or acidic conditions.
The present invention provides for a composition comprising a siloxane having the formula:
M
1
DM
2
wherein
M
1
=(R
1
)(R
2
)(R
3
)SiO
1/2
;
M
2
=(R
4
)(R
5
)(R
6
)SiO
1/2
and
D=(R
7
)(Z)SiO
2/2
where R
1
, R
2
, R
3
, R
4
, R
5
, R
6
and R
7
are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R
8
—R
A
, R
9-
R
C
, and R
10
—R
Z
; R
A
being an anionic substituent, R
C
a cationic substituent or R
Z
a zwitterionic substituent on the D group wherein said siloxane has an enhanced resistance to hydrolysis at a pH below 6 or a pH above 7.5.
MIXTURES OF HYDROLYSIS RESISTANT ORGANOMODIFIED TRISILOXANE IONIC SURFACTANTS
申请人:Leatherman Mark D.
公开号:US20090173912A1
公开(公告)日:2009-07-09
The present invention provides for a mixture comprising a siloxane having the formula:
M
1
DM
2
wherein
M
1
=(R
1
)(R
2
)(R
3
)SiO
1/2
;
M
2
=(R
4
)(R
5
)(R
6
)SiO
1/2
and
D
=(R
7
)(
Z
)SiO
2/2
where R
1
, R
2
, R
3
R
4
, R
5
, R
6
and R
7
are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R
8
-R
A
, R
9
-R
C
, and R
10
-R
Z
; R
A
being an anionic substituent, R
C
a cationic substituent or R
Z
a zwitterionic substituent on the D group and an additional component selected from the group consisting of agricultural components, coating components, personal care components, home care components, oil or gas treating components, water processing components, and pulp or paper treating components, wherein said mixture has an enhanced resistance to hydrolysis.
[EN] MIXTURES OF HYDROLYSIS RESISTANT ORGANOMODIFIED TRISILOXANE IONIC SURFACTANTS<br/>[FR] MÉLANGES DE TENSIOACTIFS IONIQUES DE TYPE TRISILOXANE ORGANOMODIFIÉ RÉSISTANTS À L'HYDROLYSE