Dual Character Polymer Useful in Fabric Care Products
AssigneeThe Procter & Gamble Company Attention: Chief Patent Counsel
InventorsXiaoru Jenny Wang, Yonas Gizaw, Jeffrey Scott Dupont
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Abstract
New fabric care compositions including soil release polymers containing anionic substitution, nitrogen containing substitution, and alkoxy substitution are disclosed. In particular, fabric care compositions containing modified polysaccharides having anionic substitution, nitrogen containing substitution, and alkoxy substitution and methods of forming the same are disclosed.
Claims25
A fabric care composition comprising a soil release polymer comprising a randomly substituted linear or branched polymer backbone having a structure:
- wherein the randomly substituted polymer backbone comprises the residues of at least one unsubstituted monomer and at least one substituted monomer, wherein the residues of monomers are independently selected from the group consisting of amino acid residues, furanose residues, pyranose residues, and mixtures of any thereof, and the residue of the substituted monomer further comprises —(R)p substituent groups,
- where each R substituent is independently selected from an anionic substituent and a nitrogen containing substituent;
- an alkoxy substituent and a nitrogen containing substituent;
- or an alkoxy substituent, an anionic substituent and a nitrogen containing substituent, where the anionic substituent has a degree of substitution 0 or ranging from 0.1 to 2.0, the nitrogen containing substituent has a degree of substitution ranging from 0.001 to 0.05, the alkoxy substituent has a degree of substitution of 0 or ranging from 0.01 to 2.0, p is an integer from 1 to 3, provided that the degree of substitution of both the anionic substituent and the alkoxy substituent are not both 0, and
- wherein the soil release polymer has a weight average molecular weight ranging from 500 Daltons to 1,000,000 Daltons.
A fabric care composition comprising a soil release polymer comprising a randomly substituted polysaccharide backbone comprising unsubstituted and substituted glucopyranose residues and having a general structure according to Formula I:
- wherein each substituted glucopyranose residue independently comprises from 1 to 3 R substituents, which may be the same or different on each substituted glucopyranose residue, and
- wherein each R substituent is independently a substituent selected from hydroxyl, hydroxymethyl, R1, R2, R3 and a polysaccharide branch having a general structure according to Formula I;
- hydroxyl, hydroxymethyl, R1, R2 and a polysaccharide branch having a general structure according to Formula I;
- or hydroxyl, hydroxymethyl, R1, R3 and a polysaccharide branch having a general structure according to Formula I, provided that at least one R substituent comprises at least one R1 group,
- wherein each R1 is independently, the same or different, a first substituent group having a degree of substitution ranging from 0.001 to 0.05 and a structure according to Formula II:
- wherein each R4 is a substituent selected from the group consisting of a lone pair of electrons;
- H;
- CH3;
- linear or branched, saturated or unsaturated C2-C18 alkyl, provided that at least two of the R4 groups are not a lone pair of electrons, R5 is a linear or branched, saturated or unsaturated C2-C18 alkyl chain or a linear or branched, saturated or unsaturated secondary hydroxy(C2-C18)alkyl chain, L is a linking group selected from the group consisting of —O—, —C(O)O—, —NR9—, —C(O)NR9—, and —NR9C(O)NR9—, and R9 is H or C1-C6 alkyl, w has a value of 0 or 1, y has a value of 0 or 1, and z has a value of 0 or 1,
- each R2 is independently, the same or different, a second substituent group having a degree of substitution of 0 or ranging from 0.1 to 2.0 and a structure according to Formula III:
- wherein R6 is an anionic substituent selected from the group consisting of carboxylate, carboxymethyl, succinate, sulfate, sulfonate, arylsulfonate, phosphate, phosphonate, dicarboxylate, and polycarboxylate, a has a value of 0 or 1, b is an integer from 0 to 18, and c has a value of 0 or 1,
- each R3 is independently, the same or different, a third substituent group having a degree of substitution of 0 or ranging from 0.01 to 2.0, and having a structure according to Formula IV:
- wherein d has a value of 0 or 1, e has a value of 0 or 1, f is an integer from 0 to 8, g is an integer from 0 to 50, each R7 is the group ethylene, propylene, butylene, or mixtures thereof, and R8 is an end group selected from the group consisting of hydrogen, C1-C20 alkyl, hydroxy, —OR1 and —OR2, provided that the degree of substitution of R2 and R3 are not both 0, and
- wherein the soil release polymer has a weight average molecular weight ranging from 500 Daltons to 1,000,000 Daltons.
A method for making a fabric care composition comprising:
- adding a soil release polymer to the fabric care composition,
- wherein the soil release polymer comprises a randomly substituted polysaccharide backbone comprising unsubstituted and substituted glucopyranose residues and having a general structure according to Formula I:
- wherein each substituted glucopyranose residue independently comprises from 1 to 3 R substituents, which may be the same or different on each substituted glucopyranose residue, and
- wherein each R substituent is independently a substituent selected from hydroxyl, hydroxymethyl, R1, R2, R3 and a polysaccharide branch having a general structure according to Formula I;
- hydroxyl, hydroxymethyl, R1, R2 and a polysaccharide branch having a general structure according to Formula I;
- or hydroxyl, hydroxymethyl, R1, R3 and a polysaccharide branch having a general structure according to Formula I, provided that at least one R substituent comprises at least one R1 group,
- wherein each R1 is independently, the same or different, a first substituent group having a degree of substitution ranging from 0.001 to 0.05 and a structure according to Formula II:
- wherein each R4 is a substituent selected from the group consisting of a lone pair of electrons;
- H;
- CH3;
- linear or branched, saturated or unsaturated C2-C18 alkyl, provided that at least two of the R4 groups are not a lone pair of electrons, R5 is a linear or branched, saturated or unsaturated C2-C18 alkyl or a linear or branched chain, saturated or unsaturated secondary hydroxy(C2-C18)alkyl chain, L is a linking group selected from the group consisting of —O—, —C(O)O—, —NR9—, —C(O)NR9—, and —NR9C(O)NR9—, and R9 is H or C1-C6 alkyl, w has a value of 0 or 1, y has a value of 0 or 1, and z has a value of 0 or 1,
- each R2 is independently, the same or different, a second substituent group having a degree of substitution of 0 or ranging from 0.1 to 2.0 and a structure according to Formula III:
- wherein R6 is an anionic substituent selected from the group consisting of carboxylate, carboxymethyl, succinate, sulfate, sulfonate, arylsulfonate, phosphate, phosphonate, dicarboxylate, and polycarboxylate, a has a value of 0 or 1, b is an integer from 0 to 18, and c has a value of 0 or 1,
- each R3 is independently, the same or different, a third substituent group having a degree of substitution of 0 or ranging from 0.01 to 2.0, and having a structure according to Formula IV:
- wherein d has a value of 0 or 1, e has a value of 0 or 1, f is an integer from 0 to 8, g is an integer from 0 to 50, each R7 is the group ethylene, propylene, butylene, or mixtures thereof, and R8 is an end group selected from the group consisting of hydrogen, C1-C20 alkyl, hydroxy, —OR1 and —OR2, provided that the degree of substitution of R2 and R3 are not both 0, and
- wherein the soil release polymer has a weight average molecular weight ranging from 500 Daltons to 1,000,000 Daltons.
Dependencies are inferred from the claim text.