Back to results
US 5,558,806 AGranted
Surfactant blend of a polyalkleneoxide polysiloxane and an organic compound having a short chain hydrophobic moiety
AssigneeOSi Specialties, Inc.
InventorsGeorge A. Policello, Dennis S. Murphy
Life of this patent
Estimating the term…
Abstract
A surfactant blend comprising a polyalkyleneoxide polysiloxane and an organic compound having a hydrophobic moiety containing less than 11 carbon atoms in the main chain or backbone and a method of using the surfactant blend as an adjuvant in pesticide sprays or crop oil concentrates.
Claims11
A surfactant blend comprising:
- (a) 1 to 99% by weight of a polyalkyleneoxide polysiloxane having the general formula ##STR10## wherein x has a value of 1 or 2 and R.sup.1 has the formula --C.sub.n H.sub.2n O(C.sub.2 H.sub.4 O).sub.a (C.sub.3 H.sub.6 O).sub.b R.sup.2
- wherein n has a value of 3 or 4,
- a has a value of 1 to 15,
- b has a value of 0 to 14,
- a+b has a value of 5 to 15, and each R.sup.2 is the same or different and is selected from the group consisting of hydrogen, an alkyl having 1 to 4 carbon atoms, and an acetyl group;
- and
- (b) 1 to 99% by weight of an organic compound having the general formula ##STR11## wherein R.sup.3 is the same or different and is selected from the group consisting of hydrogen and an alkyl having 1 to 4 carbon atoms;
- c has a value of 5 to 9,
- d has a value of 0 to 4,
- c+d has a value of 5 to 9, and
- t is 0 or 1
- R.sup.4 is a nonionic hydrophilic moiety with the proviso that when t is O, R.sup.4 is ##STR12## and when t is 1, R.sup.4 is selected from the group consisting of
- (i) [C.sub.2 H.sub.4 O].sub.f [C.sub.3 H.sub.6 O].sub.g H and
- (ii) (C.sub.6 H.sub.9 O.sub.5).sub.h --C.sub.6 H.sub.10 O.sub.5
- wherein f has a value of 1 to 40,
- g has a value of 0 to 40, and
- h has a value of 1 to 4 wherein component (b) does not interfere with the spreading ability of component (a).
14 more elements
A surfactant blend comprising:
- (a) 1 to 99% by weight of a polyalkyleneoxide polysiloxane having the general formula ##STR13## wherein x has a value of 1 or 2 and R.sup.1 has the formula --C.sub.n H.sub.2n O(C.sub.2 H.sub.4 O).sub.a (C.sub.3 H.sub.6 O).sub.b R.sup.2
- wherein n has a value of 3 or 4,
- a has a value of 1 to 15,
- b has a value of 0 to 14,
- a+b has a value of 5 to 15, and each R.sup.2 is the same or different and is selected from the group consisting of hydrogen, an alkyl having 1 to 4 carbon atoms, and an acetyl group;
- and
- (b) 1 to 99% by weight of an organic compound having the general formula ##STR14## wherein R.sup.3 is the same or different and is selected from the group consisting of hydrogen and an alkyl having 1 to 4 carbon atoms;
- c has a value of 5 to 9,
- d has a value of 0 to 4,
- c+d has a value of 5 to 9, and
- R.sup.4 is a cationic hydrophilic moiety selected from the group consisting of ##STR15## wherein X.sup.- is selected from the group consisting of Cl.sup.-, Br.sup.-, I.sup.-, SO.sub.4.sup.-, HPO.sub.4.sup.-, and CH.sub.3 COO.sup.-.
8 more elements
A surfactant blend comprising:
- (a) 1 to 99% by weight of a polyalkyleneoxide polysiloxane having the general formula ##STR16## wherein x ]has a value of 1 or 2 and R.sup.1 has the formula --C.sub.n H.sub.2n O(C.sub.2 H.sub.4 O).sub.a (C.sub.3 H.sub.6 O).sub.b R.sup.2
- wherein n has a value of 3 or 4,
- a has a value of 1 to 15,
- b has a value of 0 to 14,
- a+b has a value of 5 to 15, and each R.sup.2 is the same or different and is selected from the group consisting of hydrogen, and alkyl having 1 to 4 carbon atoms, an an acetyl group;
- and
- (b) 1 to 99% by weight of an organic compound having the general formula ##STR17## wherein R.sup.3 is the same or different and is selected from the group consisting of hydrogen and an alkyl having 1 to 4 carbon atoms;
- c has a value of 5 to 9,
- d has a value of 0 to 4,
- c+d has a value of 5 to 9, and
- R.sup.4 is a zwitterionic hydrophilic moiety selected from the group consisting of ##STR18##
8 more elements
A surfactant blend comprising:
- (a) 1 to 99% by weight of a polyalkyleneoxide polysiloxane having the general formula ##STR19## wherein x has a value of 1 or 2 and R.sup.1 has the formula --C.sub.n H.sub.2n O(C.sub.2 H.sub.4 O)a(C.sub.3 H.sub.6 O).sub.b R.sup.2
- wherein n has a value of 3 or 4,
- a has a value of 1 to 15,
- b has a value of 0 to 14,
- a+b has a value of 5 to 15, and each R.sup.2 is the same or different and is selected from the group consisting of hydrogen, an alkyl having 1 to 4 carbon atoms, and an acetyl group;
- and
- (b) 1 to 99% by weight of an organic compound having the general formula ##STR20## wherein R.sup.3 is the same or different and is selected from the group consisting of hydrogen and an alkyl having 1 to 4 carbon atoms;
- t is 0 or 1,
- y is 1 or 2;
- and
- R.sup.4 is an anionic hydrophilic moiety with the provisos that
- (1) when y is 1 and t is 1,
- c has a value of 5 to 9,
- d has a value of 0 to 4,
- c+d has value of 5 to 9;
- R.sup.4 is selected from the group consisting of
- (i)-[C.sub.2 H.sub.4 O].sub.q SO.sub.3.sup.- M.sup.+ wherein g is 1 to 3 and
- (ii)-SO.sub.3.sup.- M.sup.+ ;
- (2) when y is 1 and t is 0, then R.sup.4 is --SO.sub.3.sup.- M.sup.+ and
- (3) when y is 2 and t is 1,
- c has a value of 3 to 5,
- d has a value of 0 to 2,
- c+d is 4 or 5;
- and ##STR21## wherein M.sup.+ is selected from the group consisting of Na.sup.+, Li.sup.+, K.sup.+, N(CH.sub.3).sub.4.sup.+, and [C.sub.2 H.sub.4 OH].sub.3 NH.sup.+.
21 more elements
A spreading composition comprised of at a 1:99 to 9:1 ratio by weight of an organosilicone surfactant and a alkylpolyglycoside comprised of 1 to 5 glucoside units in which the alkyl substituent contains less than 11 carbon atoms, wherein the organosilicone surfactant has the general structure:
- ##STR22## where R.sup.1 =C.sub.n H.sub.2n O (C.sub.2 H.sub.4 O).sub.a (C.sub.3 H.sub.6 O).sub.b R.sup.2 ;
- R.sup.2 =H, an alkyl of 4 carbons or less or an acetyl group,
- n=3 to4;
- x=1to 2;
- a=1 to 15;
- b=0 to 14;
- and
- a+b has a value of 5 to 15.
5 more elements
Dependencies are inferred from the claim text.