A liquid composition having a microcapsule, the microcapsule having an aldehyde-containing resin, and one or more formaldehyde scavenger which reacts with formaldehyde to achieve more than about 60% reaction completeness in about 15 minutes time at pH 8 and at about 21° C. A liquid composition havin
A liquid composition having a microcapsule, the microcapsule having an aldehyde-containing resin, and one or more formaldehyde scavenger which reacts with formaldehyde to achieve more than about 60% reaction completeness in about 15 minutes time at pH 8 and at about 21° C. A liquid composition having a microcapsule, the microcapsule having an aldehyde-containing resin, one or more sulfur-based formaldehyde scavenger and optionally a non-sulfur-based formaldehyde scavenger.
대표청구항▼
1. A liquid composition encapsulated within a water-soluble film comprising a microcapsule, said microcapsule comprising an aldehyde-containing resin, from about 0.001% to about 2.0%, by weight of said composition of one or more sulfur-based formaldehyde scavenger, wherein the one or more sulfur-bas
1. A liquid composition encapsulated within a water-soluble film comprising a microcapsule, said microcapsule comprising an aldehyde-containing resin, from about 0.001% to about 2.0%, by weight of said composition of one or more sulfur-based formaldehyde scavenger, wherein the one or more sulfur-based formaldehyde scavenger is selected from the group consisting of alkali metal pyrosulfites, sulfites, bisulfite, and mixtures thereof, and from about 0.0001% to about 1%, by weight of said composition of a non-sulfur-based formaldehyde scavenger, wherein the non-sulfur-based formaldehyde scavenger is acetoacetamide, wherein said microcapsule comprises a microcapsule wall material having a ratio, by weight, of said one or more sulfur-based formaldehyde scavenger to said microcapsule wall material of from about 0.05:1 to about 10:1; said formaldehyde scavengers react with formaldehyde to achieve more than about 60% reaction completeness in about 15 minutes time at pH 8 and at about 21° C.; said composition, after four months storage at 35° C., has a detergent discoloration score, Panel Score Unit (PSU), of less than 2; and said composition comprises anionic surfactant. 2. The composition according to claim 1, wherein the microcapsule is a core in shell microcapsule comprising a substance selected from the group consisting of perfume raw materials, silicone oils, waxes, hydrocarbons, higher fatty acids, essential oils, lipids, skin coolants, vitamins, sunscreens, antioxidants, glycerine, catalysts, bleach particles, silicon dioxide particles, malodor reducing agents, dyes, brighteners, antibacterial actives, antiperspirant actives, cationic polymers and mixtures thereof. 3. The composition according to claim 1, wherein the liquid composition further comprises a compound selected from the group consisting of alkali or alkali earth metal dithionites, sulfides, thiosulfates and thiocyanates, mercaptans, such as thioglycolic acid, mercaptoethanol, 4-hydroxy-2-mercapto-6-methylpyrimidine, mercaptothiazoline, thiodialkanoic acids, such as thiodipropionic acid, dithiodialkanoic acids, such as 3,3′-dithiodipropionic acid, sulfinates, such as sodium formaldehydesulfoxylate or formamidinosulfinic acid and thiourea and mixtures thereof. 4. The composition according to claim 1, wherein the liquid composition further comprises another non-sulfur-based formaldehyde scavenger is selected from the group consisting of urea, ethylene urea, lysine, glycine, serine, carnosine, histidine, 3,4-diaminobenzoic acid, allantoin, glycouril, anthranilic acid, methyl anthranilate, methyl 4-aminobenzoate, ethyl acetoacetate, malonamide, ascorbic acid, 1,3-dihydroxyacetone dimer, biuret, oxamide, benzoguanamine, pyroglutamic acid, pyrogallol, methyl gallate, ethyl gallate, propyl gallate, triethanolamine, succinamide, benzotriazole, triazole, indoline, oxamide, sorbitol, glucose, cellulose, poly(vinyl alcohol), partially hydrolyzed poly(vinylformamide), poly(vinyl amine), poly(ethylene imine), poly(oxyalkyleneamine), poly(vinyl alcohol)-co-poly(vinyl amine), poly(4-aminostyrene), poly(1-lysine), chitosan, hexanediol, ethylenediamine-N,N′-bisacetoacetamide, N-(2-ethylhexyl)acetoacetamide, 2-benzoylacetoacetamide, N-(3-phenylpropyl)acetoacetamide, lilial, helional, melonal, triplal, 5,5-dimethyl-1,3-cyclohexanedione, 2,4-dimethyl-3-cyclohexanecarboxaldehyde, 2,2-dimethyl-1,3-dioxan-4,6-dione, 2-pentanone, dibutyl amine, triethylenetetramine, benzylamine, hydroxycitronellol, cyclohexanone, 2-butanone, pentanedione, dehydroacetic acid, ammonium hydroxide, and mixtures thereof. 5. The liquid composition according to claim 1, wherein said composition comprises a pre-made slurry which comprises said microcapsule and said non-sulfur based formaldehyde scavenger. 6. The liquid composition according to claim 1, wherein said one or more sulfur-based formaldehyde scavenger is selected from the group consisting of alkali metal sulfite, bisulfite, and mixtures thereof. 7. A liquid composition encapsulated within a water-soluble film comprising a microcapsule, said microcapsule comprising an aldehyde-containing resin, from about 0.001% to about 2.0% by weight of said composition of one or more sulfur-based formaldehyde scavenger selected from the group consisting of alkali metal sulfite, bisulfite, pyrosulfite, and mixtures thereof,from about 0.0001% to about 1% by weight of said composition of a non-sulfur-based formaldehyde scavenger comprising acetoacetamide,and anionic surfactant,wherein said formaldehyde scavengers react with formaldehyde to achieve more than about 60% reaction completeness in about 15 minutes time at pH 8 and at about 21° C., said composition, after four months storage at 35° C., has a detergent discoloration score, Panel Score Unit (PSU) of less than 2.
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