Laundry treatment compositions comprising a polymer with a cationic and polydialkylsiloxane moiety
View Patent ↗A laundry treatment composition comprising at least one polymeric material comprising a cationic polymer moiety and a polydialkylsiloxane moiety, and at least one other component.
1. A laundry treatment composition comprising at least one polymeric material comprising a cationic polymer moiety and a polydialkylsiloxane moiety, and at least one other component, wherein the polymeric material is incorporated in the form of an emulsion with a silicone and wherein the polymeric material has a formula selected from:
(A-b-B) n -A
(A-b-B) n
A-g-(B) n
(A-r-B) n
(B-b-A) n -B
(B-b-A) n
B-g-(A) n
wherein:
A is a moiety that contains one or more cationic monomer units, preferably comprising from 5% to 100% by weight of cationic monomer units, the balance of A comprising from 0% to 95%, by weight of anionic monomer units and/or from 0% to 95%, by weight of neutral monomer units, wherein the weight fraction of A is from 5% to 95%, any balance being independently selected from one or more of anionic monomer units and/or cationic monomer units in block and/or random fashion, and wherein at least some of the cationic moieties A are selected from those derived from monomers of formula (I):
wherein R 1 is H or CH 3
R 2 , R 3 , R 4 are independently selected from linear or branched C 1 –C 6 alkyl groups;
R 5 , R 6 are independently H or CH 3 ;
P is from 0 to 3;
q is 0 or 1;
z is —(CO)O—, —C(O)NH—, or —O—; and
X − is an appropriate counter ion,
B is siloxane-containing moiety;
n is from 1 to 50;
-b- indicates that A and B are connected via the termini of A and B respectively; and
-g- indicates that either A or B segment is attached anywhere pendant on the B or A block respectively;
-r- indicates that A and B are polymerised to form a random copolymer; and
wherein at least some of the cationic moieties A are selected from those derived from monomers
of formula (II):
in which:
each R 10 , R 11 , R 12 , R 13 and R 14 is independently selected from alkyl, hydroxylalkyl or aminoalkyl groups in which the alkyl moiety is a linear or branched C 1 –C 6 chain;
R 15 is hydrogen, methyl or ethyl;
q is from 0 to 10,
r is from 1 to 6;
Z 1 is as defined for Z in formula (I);
Z 2 represents a (CH 2 ) s group, s being from 1 to 6;
Z 3 is a linear or branched C 2 –C 12 , polymethylene chain optionally interrupted by one or more heteroatoms or heterogroups, and optionally substituted by one or more hydroxyl or amino groups; and
each X − , is independently as defined in formula (I); and
and also from ethylenically unsaturated monomers containing an aliphatic or aromatic cyclic moiety which contains a charged nitrogen (N + ) atom.
2. The composition of claim 1 , wherein B is a polydialkylsiloxane of formula
where R1 and R2 and indifferently H, alkyl or aryl groups, and m is an integer from 2 to 200, graft branched and hyperbranched polysiloxane analogues also being included, R1 or R2 optionally carrying cationic groups; and
A is a polymer of formula
wherein each D is an independently selected monomer unit and p an integer comprised of from 5 to 500,000, and A having between 5 mol. % to 100 mol. % of cationic monomers.
3. The laundry treatment composition of claim 1 , comprising from 0.01% to 25% by weight of the polymeric material.
4. The laundry treatment composition of claim 1 , wherein the at least one further ingredient comprises a surfactant.
5. The laundry treatment composition of claim 2 , wherein the surfactant comprises an anionic surfactant.
6. The laundry treatment composition of claim 1 , wherein the emulsion further comprises an emulsifying agent.
7. The laundry treatment composition of claim 4 , wherein the emulsifying agent comprises a non ionic surfactant.
8. The laundry treatment composition of claim 1 , wherein the total amount of silicone is from 50 to 95% by weight of the silicone and any emulsifying agent.
9. The laundry treatment composition of claim 1 , wherein the emulsion is 30 to 99.9% of another liquid component.
10. The laundry treatment composition of claim 4 , wherein the weight ratio of silicone to emulsifying agent is from 100:1 to 2:1.
11. A method of depositing a polymer onto a substrate, the method comprising contacting in an aqueous solution, the substrate and a laundry treatment composition comprising at least one polymeric material comprising a cationic polymer moiety and a polydialkylsiloxane moiety, and at least one other component; wherein the polymeric material is incorporated in the form of an emulsion with a silicone and wherein the polymeric material has a formula selected from:
(A-b-B) n -A
(A-b-B) n
A-g-(B) n
(A-r-B) n
(B-b-A) n -B
(B-b-A) n
B-g-(A) n
wherein:
A is a moiety that contains one or more cationic monomer units, preferably comprising from 5% to 100% by weight of cationic monomer units, the balance of A comprising from 0% to 95%, by weight of anionic monomer units and/or from 0% to 95%, by weight of neutral monomer units, wherein the weight fraction of A is from 5% to 95%, any balance being independently selected from one or more of anionic monomer units and/or cationic monomer units in block and/or random fashion, and wherein at least some of the cationic moieties A are selected from those derived from monomers of formula (I):
wherein R 1 is H or CH 3
R 2 , R 3 , R 4 are independently selected from linear or branched C 1 –C 6 alkyl groups;
R 5 , R 6 are independently H or CH 3 ;
P is from 0 to 3;
q is 0 or 1;
z is —(CO)O—, —C(O)NH—, or —O—; and
X − is an appropriate counter ion,
B is siloxane-containing moiety;
n is from 1 to 50;
-b- indicates that A and B are connected via the termini of A and B respectively; and
-g- indicates that either A or B segment is attached anywhere pendant on the B or A block respectively;
-r- indicates that A and B are polymerised to form a random copolymer; and
wherein at least some of the cationic moieties A are selected from those derived from monomers
of formula (II):
in which:
each R 10 , R 11 , R 12 , R 13 and R 14 is independently selected from alkyl, hydroxylalkyl or aminoalkyl groups in which the alkyl moiety is a linear or branched C 1 –C 6 chain;
R 15 is hydrogen, methyl or ethyl;
q is from 0 to 10,
r is from 1 to 6;
Z 1 is as defined for Z in formula (I);
Z 2 represents a (CH 2 ) s group, s being from 1 to 6;
Z 3 is a linear or branched C 2 –C 12 , polymethylene chain optionally interrupted by one or more heteroatoms or heterogroups, and optionally substituted by one or more hydroxyl or amino groups; and
each X − , is independently as defined in formula (I); and
and also from ethylenically unsaturated monomers containing an aliphatic or aromatic cyclic moiety which contains a charged nitrogen (N + ) atom.