A malodor counteracting composition contains a malodor counteractant that is capable of neutralizing a malodor and a stabilizer that is capable of decreasing or preventing self-polymerization of the malodor counteractant. The malodor counteractant has a backbone and one or more reactive end groups t
A malodor counteracting composition contains a malodor counteractant that is capable of neutralizing a malodor and a stabilizer that is capable of decreasing or preventing self-polymerization of the malodor counteractant. The malodor counteractant has a backbone and one or more reactive end groups that are covalently attached to the backbone, the backbone has a molecular weight of 100 to 50,000 Daltons, and the one or more reactive end groups each have an α,β-unsaturated carbonyl group. Also disclosed are consumer, industrial or textile products containing the malodor counteracting composition and methods of neutralizing malodor using the composition.
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1. A malodor counteracting composition comprising a malodor counteractant that is capable of neutralizing a malodor and a stabilizer that is methyl-3-(3,5-di-tert -butyl-4-hydroxyphenyl)propanoate, wherein the malodor counteractant has a backbone and one or more reactive end groups that are covalent
1. A malodor counteracting composition comprising a malodor counteractant that is capable of neutralizing a malodor and a stabilizer that is methyl-3-(3,5-di-tert -butyl-4-hydroxyphenyl)propanoate, wherein the malodor counteractant has a backbone and one or more reactive end groups that are covalently attached to the backbone, the backbone has a molecular weight of 100 to 50,000 Daltons, the backbone is selected from the group consisting of a poly(ethylene oxide), poly(propylene oxide), poly(ethylene oxide-co-propylene oxide), and combinations thereof, and the one or more reactive end groups each have an α,β-unsaturated carbonyl group. 2. The malodor counteracting composition of claim 1, further comprising an end solvent selected from the group consisting of ethanol, methanol, ethyl acetate, propylene glycol, diphenyl phthalate, dipropylene glycol, tripropylene glycol, water, ethylene glycol, diethyl phthalate, 1-methoxy-2-propanol, 2-methoxy-1-methylethyl acetate, tripropylene glycol methyl ether, dipropylene glycol methyl ether, dipropylene glycol n-butyl ether, dipropylene glycol methyl ether acetate, triacetin, 1-methyl-4-isopropylidene-1-cyclohexene, 2-(4-methyl-1-cyclohex-3-enyl)propan-2-ol, and a combination thereof. 3. The malodor counteracting composition of claim 1, wherein the composition contains acrylic acid at a level of 2000 ppm or less. 4. The malodor counteracting composition of claim 1, wherein the α,β-unsaturated carbonyl group is an ionone moiety, an irone moiety, a damascone moiety, an acryloxy moiety, a methacryloxy moiety, an acrylamide moiety, a methacrylamide moiety, or a crotonate moiety. 5. The malodor counteracting composition of claim 4, wherein the α,β-unsaturated carbonyl group is an acryloxy moiety, a methacryloxy moiety, an acrylamide moiety, or a methacrylamide moiety. 6. The malodor counteracting composition of claim 1, wherein the malodor counteractant is a compound of Formula I: in which each of W, X, Y, and Z, independently, is H, halo, nitro, cyano, C1-C10 alkyl, C1-C10 alkoxy, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C1-C10 heterocycloalkyl, C1-C10alkylamino, C1-C20 dialkylamino, or -Q-P, provided that at least one of W, X, Y, and Z is-Q -P, P being a polymer moiety selected from the group consisting of a poly(ethylene oxide), poly(propylene oxide), poly(ethylene oxide-co-propylene oxide), and combinations thereof, Q being a bond, O, S, NR1, or CR2R3, in which each of R1, R2, and R3, independently, is H, halo, OH, nitro, cyano, C1-C10 alkyl, C1-C10 alkoxy, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C1-C10heterocycloalkyl, C1-C10 alkylamino, or C1-C20 dialkylamino; R1 together with the nitrogen atom to which it attaches is a C1-C10 heterocycloalkyl or heteroaryl; or R2 and R3, together with the carbon atom to which they are attached, are C3-C10 cycloalkyl, C1-C10heterocycloalkyl, aryl, or heteroaryl. 7. The malodor counteracting composition of claim 6, wherein Q is NH and P has an average molecular weight of 1,000 to 10,000. 8. The malodor counteracting composition of claim 6, wherein the composition contains acrylic acid at a level of 2000 ppm or less. 9. The malodor counteracting composition of claim 6, wherein each of X, Y, and Z, independently, is H or methyl. 10. The malodor counteracting composition of claim 9, wherein P is poly(ethylene oxide-co-propylene oxide) and has a molecular weight of 200 to 5000 Daltons. 11. A malodor counteracting composition comprising a malodor counteractant that is capable of neutralizing a malodor and a stabilizer that is methyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate, wherein the malodor counteractant is: y1 being 1 to 50 and x1+z1 being 0 to 100each of R11, R12, R13, R14, R15, R16, R17, R18, R19, and R20, independently,being H, CH3, or CH2CH3 y1 being 1 to 50 and x1+z1 being 0 to 100 y1 being 1 to 50 and x1+z1 being 0 to 100 x2 being 0 to 50 and y2 being 0 to 50 x3+y3+z3 being 1 to 200, n3 being 0 to 10, and Ra being H, CH3, or C2H5 n4 being 1 to 400 n5 being 1 to 400 x6 being 1 to 80, y6 being 1 to 80, and Rb being H, CH3, or CH2CH3 x7 being 1 to 80 x9 being 1 to 18 and y9 being 5 to 25 each of Rc, Rd, Re, and Rf, independently, being in which each of m10 and n10, independently, is 1 to 80 n11 being 10 to 100,000 n12 being 10 to 100,000 n13 being 10 to 100,000 n14 being 1 to 80 and m14 being 4 to 24 n15 being 300 to 40,000 n16 being 300 to 40,000 each of m17 and n17, independently, being 300 to 40,000 each of m18 and n18, independently, being 300 to 40,000 each of m19, n19, and p19, independently, being 1 to 100 m20 being 6 to 24 n21 being 10 to 50 n22 being 14 to 50 n23 being 10 to 50 n24 being 10 to 50 n25 being 1 to 300 k26 being 4 to 25 and p26 being 2 to 20 k27 being 2 to 24 q28 being 1 to 40 q29 being 1 to 40 q30 being 1 to 40. 12. The malodor counteracting composition of claim 11, wherein the counteractant is: yl being 3 to 20 and xl +z1 being 20 to 50each of R11, R12, R13, R14, R15, R16, R17, R18, R19, and R20, independently,being H, CH3, or CH2CH3 y1 being 3 to 20 and x1 +z1 being 20 to 50 x2 being 2 to 12 and y2 being 2 to 12 x3+y3+z3 being 50 to 120, n3 being 0 to 4, and Ra being H, or CH3 x6 being 4 to 50, y6 being 4 to 50, and Rb being H, or CH3 each of m19, n19, and p19, independently, being 4 to 40. 13. A method of neutralizing a malodor in a consumer, industrial or textile product, the method comprising the step of: providing a malodor counteracting composition of claim 1, andadding the malodor counteracting composition to a consumer, industrial or textile product so that the product is capable of neutralizing a malodor by using the malodor counteractant to react with or absorbing the malodor. 14. The method of claim 13, wherein the consumer, industrial, or textile product is a home care product, a fabric care product, or a personal care product. 15. The method of claim 13, wherein the malodor composition contains acrylic acid at a level of 2000 ppm or less. 16. A method of neutralizing a malodor in a consumer, industrial or textile product, the method comprising the step of: providing a malodor counteractant of Formula I: in which each of W, X, Y, and Z, independently, is H, halo, nitro, cyano, C1-C10 alkyl, C1-C10 alkoxy, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C1-C10 heterocycloalkyl, C1-C10 alkylamino, C1-C20 dialkylamino, or -Q-P, provided that at least one of W, X, Y, and Z is -Q-P, P being a polymer moiety selected from the group consisting of a poly(ethylene oxide), poly(propylene oxide), poly(ethylene oxide-co-propylene oxide) and combinations thereof, Q being a bond, O,S, NR1, or CR2R3, in which each of R1, R2, and R3, independently, is H, halo, OH, nitro, cyano, C1-C10 alkyl, C1-C10 alkoxy, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C1-C10 heterocycloalkyl, C1-C10 alkylamino, or C1-C20 dialkylamino; R1, together with the nitrogen atom to which it attaches, is a C1-C10 heterocycloalkyl or heteroaryl; or R2 and R3, together with the carbon atom to which they are attached, are C3-C10 cycloalkyl, C1-C10 heterocycloalkyl, aryl, or heteroaryl; andadding the malodor counteractant and a stabilizer to a consumer, industrial or textile product so that the product is capable of neutralizing a malodor by using the malodor counteractant to react with or absorbing the malodor, wherein the stabilizer is methyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate. 17. A consumer, industrial, or textile product comprising a malodor counteracting composition of claim 1 at an amount effective to neutralize a malodor. 18. The consumer, industrial, or textile product of claim 17, wherein the product is a home care product, a fabric care product, or a personal care product. 19. The malodor counteracting composition of claim 1, wherein the counteractant is: y1 being 1 to 50 and x1 +z1 being 0 to 100, y1 being 1 to 50 and x1 +z1 being 0 to 100, or x2 being 0 to 50 and y2 being 0 to 50. 20. The malodor counteracting composition of claim 1, wherein the counteractant is: y1 being 12.5 and x1 +z1 being 6, yl being 39 and xl +zl being 6, or x2 being 3 and y2 being 3.
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