Fabric care composition comprising polymer encapsulated fabric or skin beneficiating ingredient
Fabric softening compositions are disclosed comprising: (a) from 0.01% to 50% by weight of a cationic or non-ionic softening compound; (b) at least 0.001% by weight of a water dispersible cross-linked cationic polymer derived from the polymerization of from 5 to 100 mole percent of a cationic vinyl addition monomer, from 0 to 95 mole percent of acrylamide, and from 5 to 500 ppm of a difunctional vinyl addition monomer cross-linking agent (c) from 0 to 5% by weight of a non-confined fragrance oil, (d) an effective amount of at least one fabric or skin beneficiating ingredient encapsulated within a first polymer material to form a polymer encapsulated beneficiating ingredient, said encapsulated ingredient being further coated with a cationic polymer and; (e) balance water and optionally one or more adjuvant materials.
1. A fabric softener composition comprising:
(a) 0.01% to 50% weight of a cationic softening compound which is a fatty ester quaternary ammonium compound;
(b) at least 0.001%, by weight, of a water dispersible cross-linked cationic polymer derived from the polymerization of 5 to 100 mole percent of a cationic vinyl addition monomer, 0 to 95 mole percent of acrylamide, and 5 to 500 ppm of a difunctional vinyl addition monomer cross-linking agent;
(c) 0 to 5% by weight of a non-confined fragrance oil; and
(d) an effective amount of at least one fabric or skin beneficiating ingredient encapsulated within a first polymer material to form a polymer encapsulated beneficiating ingredient, said encapsulated ingredient being further coated with a cationic polymer which is a cationic polyamine that is a reaction product of a polyamine and an oxirane material.
2. The composition of claim 1 wherein said fatty ester quaternary ammonium compound is a biodegradable fatty ester quaternary ammonium compound having the formula:
wherein
R 1 represents (CH 2 ) 1 R 6 where R 6 represents benzyl, phenyl, (C 1 -C 4 )alkyl substituted phenyl, OH, or H;
R 2 and R 3 represent (CH 2 ) 8 —R 5 where R 5 represents an alkoxy carbonyl group containing 8 to 22 carbon atoms, benzyl, phenyl, (C 1 -C 4 )alkyl substituted phenyl, OH, or H;
R 4 represents an aliphatic hydrocarbon group having 8 to 22 carbon atoms;
q, s, and t each independently represent an integer 1 to 3; and
X − is a softener compatible anion.
3. The composition of claim 1 having a biodegradable fatty ester quaternary ammonium compound derived from the reaction of an alkanol amine and a fatty acid derivative followed by quaternization, said fatty ester quaternary ammonium compound being represented by the formula:
wherein
Q represents a carboxyl group having the structure —OCO— or —COO—;
R 1 represents an aliphatic hydrocarbon group having 8 to 22 carbon atoms;
R 2 represents -Q-R 1 or —OH;
q, r, s, and t each independently represent a number of 1 to 3; and
X −a is an anion of valence a; and
wherein said fatty ester quaternary ammonium compound is comprised of a distribution of monoester, diester and triester compounds, the monoesterquat compound being formed when each R 2 is —OH; the diesterquat compound being formed when one R 2 is —OH and the other R 2 is -Q-R 1 ; and the triesterquat compound being formed when each R 2 is -Q-R 1 ; and wherein the normalized percentage of monoesterquat compound in said fatty ester quaternary ammonium compound is 28% to 39%; the normalized percentage of diesterquat compound is 52% to 62%, and the normalized percentage of triesterquat compound is 7% to 14%; all percentages being by weight.
4. The composition of claim 1 wherein said cross-linked cationic polymer is a cross-linked copolymer of a quaternary ammonium acrylate or methacrylate in combination with an acrylamide co-monomer.
5. The composition of claim 1 wherein said encapsulating polymer in (d) is selected from the group consisting of a vinyl polymer, an acrylate polymer, melamine formaldehyde polymer, urea formaldehyde polymer, and mixtures thereof.
6. The composition of claim 1 wherein the oxirane material is selected from the group consisting of (chloromethyl) oxirane, (bromoethyl) oxirane, and mixtures thereof.
7. The composition of claim 1 wherein the fabric or skin beneficiating ingredient is selected from the group consisting of perfumes or fragrance oils, anti-bacterial agents, vitamins, skin conditioners, UV absorbers, and enzymes.
8. The composition of claim 7 wherein the fabric or skin beneficiating ingredient is a perfume or fragrance oil.
9. The composition of claim 7 wherein the perfume or skin beneficiating ingredient is mixed with a polymer or non-polymeric carrier material or surfactant or solvent or mixtures thereof.
10. The composition of claim 1 which is in the form of a liquid, powder, or gel.
11. The composition of claim 1 further comprising at least 0.001% of a chelating compound capable of chelating metal ions and selected from the group consisting of amino carboxylic add compounds, organo aminophosphonic acid compounds, and mixtures thereof.
12. A method of imparting softness to fabrics comprising contacting said fabrics with an effective amount of a composition of claim 1 .
13. The method of claim 12 wherein said fabrics are contacted during the rinse cycle of a laundry washing machine or hand wash laundry treatment.
14. The method of claim 12 wherein said fabric softening compound is a fatty ester quaternary ammonium compound.
15. The method of claim 14 wherein said fatty ester quaternary ammonium compound has the formula:
wherein
R 1 represents (CH 2 ) 1 R 6 where R 6 represents benzyl, phenyl, (C 1 -C 4 )alkyl substituted phenyl, OH, or H;
R 2 and R 3 represent (CH 2 ) s —R 5 where R 5 represents an alkoxy carbonyl group containing 8 to 22 carbon atoms, benzyl, phenyl, (C 1 -C 4 )alkyl substituted phenyl, OH, or H;
R 4 represents an aliphatic hydrocarbon group having 8 to 22 carbon atoms;
q, s, and t each independently represent an integer from 1 to 3; and
X − is a softener compatible anion.
16. The method of claim 14 wherein the fatty ester quaternary ammonium compound is derived from the reaction of an alkanol amine and a fatty acid derivative followed by quaternization, said fatty ester quaternary ammonium compound being represented by the formula:
wherein
Q represents a carboxyl group having the structure —OCO— or —COO—;
R 1 represents an aliphatic hydrocarbon group having 8 to 22 carbon atoms;
R 2 represents -Q-R 1 or —OH;
q, r, s, and t each independently represent a number of 1 to 3; and
X −a is an anion of valence a; and
wherein said fatty ester quaternary ammonium compound is comprised of a distribution of monoester, diester and triester compounds, the monoesterquat compound being formed when each R 2 is —OH; the diesterquat compound being formed when one R 2 is —OH and the other R 2 is -Q-R 1 ; and the triesterquat compound being formed when each R 2 is -Q-R 1 ; and wherein the normalized percentage of monoesterquat compound in said fatty ester quaternary ammonium compound is from 28% to 39%; the normalized percentage of diesterquat compound is from 52% to 62%, and the normalized percentage of triesterquat compound is from 7% to 14%; all percentages being by weight.
17. The method of claim 12 wherein said fabric or skin beneficiating ingredient is a perfume or fragrance oil.
18. The method of claim 17 wherein said encapsulating polymer for said perfume or fragrance oil is a vinyl polymer, an acrylate polymer, melamine formaldehyde polymer, urea formaldehyde polymer, or mixtures thereof.
19. A non-aqueous fabric softener composition comprising:
(a) 0.01% to 50% by weight of a cationic softening compound;
(b) at least 0.001%, by weight, of a water dispersible cross-linked cationic polymer derived from the polymerization of 5 to 100 mole percent of a cationic vinyl addition monomer, 0 to 95 mole percent of acrylamide, and 5 to 500 ppm of a difunctional vinyl addition monomer crosslinking agent;
(c) 0 to 5% by weight of a non-confined fragrance oil; and
(d) an effective amount of at least one fabric or skin beneficiating ingredient encapsulated within a first polymer material to form a polymer encapsulated beneficiating ingredient, said encapsulated ingredient being further coated with a cationic polymer;
wherein the composition is in the form of a fabric softener sheet.
20. A non-aqueous fabric softener composition comprising:
(a) 0.01% to 50% by weight of a cationic softening compound which is a fatty ester quaternary ammonium compound;
(b) at least 0.001%, by weight, of a water dispersible cross-linked cationic polymer derived from the polymerization of 5 to 100 mole percent of a cationic vinyl addition monomer, 0 to 95 mole percent of acrylamide, and 5 to 500 ppm of a difunctional vinyl addition monomer cross-linking agent;
(c) 0 to 5% by weight of a non-confined fragrance oil; and
(d) an effective amount of at least one fabric or skin beneficiating ingredient encapsulated within a first polymer material to form a polymer encapsulated beneficiating ingredient, said encapsulated ingredient being further coated with a cationic polymer which is a cationic polyamine that is a reaction product of a polyamine and an oxirane material.
21. The composition of claim 20 wherein the oxirane material is selected from the group consisting of (chloromethyl) oxirane, (bromoethyl) oxirane, and mixtures thereof.