EP0088520A2 - Fabric softening composition - Google Patents
Fabric softening composition Download PDFInfo
- Publication number
- EP0088520A2 EP0088520A2 EP83300625A EP83300625A EP0088520A2 EP 0088520 A2 EP0088520 A2 EP 0088520A2 EP 83300625 A EP83300625 A EP 83300625A EP 83300625 A EP83300625 A EP 83300625A EP 0088520 A2 EP0088520 A2 EP 0088520A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lanolin
- fabric softening
- composition
- cationic
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 67
- 239000004744 fabric Substances 0.000 title claims abstract description 56
- 239000004166 Lanolin Substances 0.000 claims abstract description 41
- 235000019388 lanolin Nutrition 0.000 claims abstract description 41
- 229940039717 lanolin Drugs 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000004902 Softening Agent Substances 0.000 claims description 29
- 125000002091 cationic group Chemical group 0.000 claims description 27
- 239000000470 constituent Substances 0.000 abstract description 9
- 239000004615 ingredient Substances 0.000 abstract description 8
- 239000004665 cationic fabric softener Substances 0.000 abstract description 2
- 239000002752 cationic softener Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 description 15
- 235000014113 dietary fatty acids Nutrition 0.000 description 13
- 239000000194 fatty acid Substances 0.000 description 13
- 229930195729 fatty acid Natural products 0.000 description 13
- 125000004432 carbon atom Chemical group C* 0.000 description 12
- -1 terpene alcohols Chemical class 0.000 description 12
- 150000002148 esters Chemical class 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 150000001298 alcohols Chemical class 0.000 description 6
- 239000003995 emulsifying agent Substances 0.000 description 6
- 150000004665 fatty acids Chemical class 0.000 description 6
- 229920001223 polyethylene glycol Polymers 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 125000005456 glyceride group Chemical group 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- QLAJNZSPVITUCQ-UHFFFAOYSA-N 1,3,2-dioxathietane 2,2-dioxide Chemical compound O=S1(=O)OCO1 QLAJNZSPVITUCQ-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 230000001476 alcoholic effect Effects 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000002191 fatty alcohols Chemical class 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000004034 viscosity adjusting agent Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QYIXCDOBOSTCEI-QCYZZNICSA-N (5alpha)-cholestan-3beta-ol Chemical compound C([C@@H]1CC2)[C@@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@H](C)CCCC(C)C)[C@@]2(C)CC1 QYIXCDOBOSTCEI-QCYZZNICSA-N 0.000 description 2
- YQEMORVAKMFKLG-UHFFFAOYSA-N 2-stearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229920002307 Dextran Polymers 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- FLIACVVOZYBSBS-UHFFFAOYSA-N Methyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC FLIACVVOZYBSBS-UHFFFAOYSA-N 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 description 2
- 229930182558 Sterol Natural products 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- QYIXCDOBOSTCEI-UHFFFAOYSA-N alpha-cholestanol Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(C)CCCC(C)C)C1(C)CC2 QYIXCDOBOSTCEI-UHFFFAOYSA-N 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 235000012000 cholesterol Nutrition 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- IQDGSYLLQPDQDV-UHFFFAOYSA-N dimethylazanium;chloride Chemical compound Cl.CNC IQDGSYLLQPDQDV-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- MMKRHZKQPFCLLS-UHFFFAOYSA-N ethyl myristate Chemical compound CCCCCCCCCCCCCC(=O)OCC MMKRHZKQPFCLLS-UHFFFAOYSA-N 0.000 description 2
- MVLVMROFTAUDAG-UHFFFAOYSA-N ethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC MVLVMROFTAUDAG-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- CBFCDTFDPHXCNY-UHFFFAOYSA-N icosane Chemical compound CCCCCCCCCCCCCCCCCCCC CBFCDTFDPHXCNY-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
- AOHAPDDBNAPPIN-UHFFFAOYSA-N myristicinic acid Natural products COC1=CC(C(O)=O)=CC2=C1OCO2 AOHAPDDBNAPPIN-UHFFFAOYSA-N 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 229940038384 octadecane Drugs 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- REIUXOLGHVXAEO-UHFFFAOYSA-N pentadecan-1-ol Chemical compound CCCCCCCCCCCCCCCO REIUXOLGHVXAEO-UHFFFAOYSA-N 0.000 description 2
- 239000002304 perfume Substances 0.000 description 2
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 150000003432 sterols Chemical class 0.000 description 2
- 235000003702 sterols Nutrition 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- 235000007586 terpenes Nutrition 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical class OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- ZBFPGLKEWSMWSG-BQNIITSRSA-N (3S,5R,10S,13R,14R,17R)-4,4,10,13,14-pentamethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,5,6,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-3-ol Chemical compound CC1(C)[C@@H](O)CC[C@]2(C)C3=CC[C@]4(C)[C@@H]([C@@H](CCC=C(C)C)C)CC[C@@]4(C)C3=CC[C@H]21 ZBFPGLKEWSMWSG-BQNIITSRSA-N 0.000 description 1
- ZCBDFGFNCFLBOL-BQNIITSRSA-N (3S,5R,10S,13R,14R,17R)-4,4,10,13,14-pentamethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,5,6,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-3-ol Chemical compound CC1(C)[C@@H](O)CC[C@]2(C)C3=CC[C@]4(C)[C@@H]([C@H](C)CCCC(C)C)CC[C@@]4(C)C3=CC[C@H]21 ZCBDFGFNCFLBOL-BQNIITSRSA-N 0.000 description 1
- WSULSMOGMLRGKU-UHFFFAOYSA-N 1-bromooctadecane Chemical compound CCCCCCCCCCCCCCCCCCBr WSULSMOGMLRGKU-UHFFFAOYSA-N 0.000 description 1
- RNHWYOLIEJIAMV-UHFFFAOYSA-N 1-chlorotetradecane Chemical compound CCCCCCCCCCCCCCCl RNHWYOLIEJIAMV-UHFFFAOYSA-N 0.000 description 1
- ASLICXGLMBICCD-UHFFFAOYSA-N 1-ethyl-4,5-dihydroimidazole Chemical compound CCN1CCN=C1 ASLICXGLMBICCD-UHFFFAOYSA-N 0.000 description 1
- WNWHHMBRJJOGFJ-UHFFFAOYSA-N 16-methylheptadecan-1-ol Chemical compound CC(C)CCCCCCCCCCCCCCCO WNWHHMBRJJOGFJ-UHFFFAOYSA-N 0.000 description 1
- JNSSVMGPTZYYIW-UHFFFAOYSA-N 2-chloro-6-methyl-1-oxidopyridin-1-ium Chemical compound CC1=CC=CC(Cl)=[N+]1[O-] JNSSVMGPTZYYIW-UHFFFAOYSA-N 0.000 description 1
- LWLRMRFJCCMNML-UHFFFAOYSA-N 2-ethylhexyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OCC(CC)CCCC LWLRMRFJCCMNML-UHFFFAOYSA-N 0.000 description 1
- XMMODWGMKHUZQW-UHFFFAOYSA-N 2-hydroxy-16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCC(O)C(O)=O XMMODWGMKHUZQW-UHFFFAOYSA-N 0.000 description 1
- RFVNOJDQRGSOEL-UHFFFAOYSA-N 2-hydroxyethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCO RFVNOJDQRGSOEL-UHFFFAOYSA-N 0.000 description 1
- ZBNVMPVEBXTLJF-UHFFFAOYSA-N 24-methylhexacosan-1-ol Chemical compound CCC(C)CCCCCCCCCCCCCCCCCCCCCCCO ZBNVMPVEBXTLJF-UHFFFAOYSA-N 0.000 description 1
- HMRWHRBSEMHEFA-UHFFFAOYSA-N 6-methylheptyl tetradecanoate Chemical compound CCCCCCCCCCCCCC(=O)OCCCCCC(C)C HMRWHRBSEMHEFA-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000005575 Cellulases Human genes 0.000 description 1
- 108010084185 Cellulases Proteins 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- UCTLRSWJYQTBFZ-UHFFFAOYSA-N Dehydrocholesterol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)CCCC(C)C)CCC33)C)C3=CC=C21 UCTLRSWJYQTBFZ-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 101100209622 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) vma-2 gene Proteins 0.000 description 1
- 101100372584 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) vma-3 gene Proteins 0.000 description 1
- 101100209646 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) vma-4 gene Proteins 0.000 description 1
- 101100049019 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) vma-6 gene Proteins 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 206010040914 Skin reaction Diseases 0.000 description 1
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical group CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 1
- IJCWFDPJFXGQBN-RYNSOKOISA-N [(2R)-2-[(2R,3R,4S)-4-hydroxy-3-octadecanoyloxyoxolan-2-yl]-2-octadecanoyloxyethyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCCCCCCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCCCCCCCCCCCC IJCWFDPJFXGQBN-RYNSOKOISA-N 0.000 description 1
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- 150000001336 alkenes Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
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- OGBUMNBNEWYMNJ-UHFFFAOYSA-N batilol Chemical class CCCCCCCCCCCCCCCCCCOCC(O)CO OGBUMNBNEWYMNJ-UHFFFAOYSA-N 0.000 description 1
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- CPXCDEMFNPKOEF-UHFFFAOYSA-N methyl 3-methylbenzoate Chemical compound COC(=O)C1=CC=CC(C)=C1 CPXCDEMFNPKOEF-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 239000002243 precursor Substances 0.000 description 1
- ZPWFUIUNWDIYCJ-UHFFFAOYSA-N propan-2-yl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC(C)C ZPWFUIUNWDIYCJ-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- 229910052708 sodium Inorganic materials 0.000 description 1
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- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
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- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 239000001589 sorbitan tristearate Substances 0.000 description 1
- 235000011078 sorbitan tristearate Nutrition 0.000 description 1
- 229960004129 sorbitan tristearate Drugs 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- QYSXJUFSXHHAJI-YRZJJWOYSA-N vitamin D3 Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)CCC1=C QYSXJUFSXHHAJI-YRZJJWOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/384—Animal products
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/001—Softening compositions
- C11D3/0015—Softening compositions liquid
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2093—Esters; Carbonates
Definitions
- the present invention relates to a fabric softening composition.
- a fabric softening composition In particular, but not exclusively, it relates to an aqueous based concentrated fabric softening composition.
- fabric softening agents are applied from an aqueous liquor which is made up by adding a relatively small volume of a fabric softening composition to a large volume of water, for example during the rinse cycle in an automatic washing machine.
- the fabric softening composition is usually an aqueous liquid product containing less than about 8% of a cationic fabric softening agent.
- the product For a number of reasons, including for example the cost of packaging, it would be preferred if the product were to contain more than 8% of the active ingredient but due to difficulties in manufacture, storage and ease of use of the products, it has only been possible to do this in the past with some difficulty.
- the present invention seeks to overcome one or more of the objectives referred to above by the combined use of a cationic fabric softening agent and lanolin or a lanolin-like material.
- a fabric softening composition comprising an aqueous base and at least 0.5% by weight of a cationic fabric softening agent, characterised in that it further comprises from 0.25% up to 10% by weight of lanolin or-a lanolin-like material.
- An essential component of the present invention is lanolin or a lanolin-like material.
- Lanolin is wool wax which has been purified by various purification steps including washing, neutralisation, filtration, bleaching and deodorisation.
- Lanolin is composed primarily of esters which constitute the active constituents in the present invention and which yield on hydrolysis a mixture of complex alcohols and fatty acids.
- the alcohols which form about half of the ester component by weight, include sterols and terpene alcohols.
- the sterols amount to about 30% and include cholesterol, 7-dehydrocholesterol and cerebosterol and dihydrocholesterol (cholestanol).
- the terpene alcohols include lanesterol (C 30 N 50 O), dihydrolanesterol (C 30 H S2 0), a g nostero l (C30H480), dihydroagnosterol (C 30 H 50 O).
- Lanolin is available commercially in a number of forms. Lanolin as such contains the active constituents primarily in their ester form. It is also available in two hydrolysed forms where the active constituents are primarily in their alcoholic or carboxylic acid form. Further, lanolin may be hydrogenated to form a product where the active constituents are present primarily only in their alcoholic form. Lanolin is also commercially available in propoxylated and acetylated forms. As used herein the term "lanolin" is intended to refer to any such material derived from wool wax whether the active constituents are in the alcoholic, ester, alkoxylated, hydrogenated or other chemical form.
- lanolin Suitable commercial forms include Corona (lanolin BP), Hartolan, Polychol and Coronet (Trade Marks of Croda Chemicals Ltd), Solulan, Acetulan and Modulan (Trade Marks of American Cholesterol Products Inc) and Lanocerina (Trade Mark - Esperis SpA Milan).
- Corona lanolin BP
- Hartolan Polychol and Coronet
- Solulan Solulan
- Acetulan and Modulan Trade Marks of American Cholesterol Products Inc
- Lanocerina Trade Mark - Esperis SpA Milan.
- Commercial lanolin is also available from Westbrook Lanolin Co., Bradford, England.
- lanolin-like material which term as used herein includes
- the level of lanolin or lanolin-like material in the fabric softening compositions is from 0.25% up to 10% by weight, such as between 0.5% and 5% by weight of the composition.
- Any well-known cationic fabric softening agent can be used in the present invention, as well as mixtures of two or more of such agents.
- cationic fabric-softening agents are quaternary ammonium compounds containing two long alkyl or alkenyl chains with 12-22 carbon atoms such as di(hardened or unhardened tallow) dimethyl ammoniumchloride, 2-heptadecyl-2methylstearoyl amido ethyl imidazoline methosulphate, di-(coco)dimethyl ammoniumchloride, etc.
- cationic fabric-softening agents are well-known in the art and further suitable examples can be found in Schwartz-Perry: "Surface-active Agents and Detergents" Vol II, 1958.
- Relatively water-soluble cationic softening agents such as the monoalkyl quaternary ammonium compounds such as stearyltrimethylammoniumchloride, may also be used, but, as they are often less effective softeners, they are preferably used in conjunction with other, more effective cationic fabric softening agents or with non-cationic softening agents such as fatty acid esters of polyols such as sorbitantristearate, glycerolmonostearate, and so on, or with anionic detergents with which they are capable of forming softening complexes, such as fatty acid soaps. They may also be made more hydrophobic by treatment with suitable hydrophobising agents such as long chain alcohols and fatty acids. The present invention is however of particular benefit if the more effective, less water-soluble cationic softening agents having two long alkyl chains are used.
- the level of cationic fabric softening agent in the aqueous fabric softening compositions is at least 0.5% but preferably no more than 30% by weight, such as between 1.0% and 15% by weight of the composition.
- the ritic by weight of the cationic fabric softening agent to the lanolin or lanolin-like material may lie between 0.05:1 and 20:1, more preferably between 0.1:1 and 10:1, especially between 1:1 and 4:1.
- the fabric softening composition of the invention is added to a large volume of water to form a liquor with which the fabrics to be treated are contacted.
- the total concentration of the cationic fabric softening agent and the lanolin or lanolin-like materials in this liquor will be between about 50 ppm and about 500 ppm.
- the pH of the aqueous composition used for forming the liquor may be varied within a range, for example between about 3 and about 8, preferably from about 4 to about 6.
- the composition may contain buffering agents as required such as benzoic acid, citric acid and phosphoric acids and/or their alkali metal salts.
- the fabrics to be treated are contacted with an aqueous liquor to which the fabric softening composition is added, the ratio by weight of the fabrics to the liquor being preferably less than about 25:1, most preferably between about 10:1 and about 4:1.
- the aqueous liquor in contact with the fabrics may be at any convenient temperature. Successful results can be obtained when the liquor has a temperature between about 0°C and about 60°C, preferably between about 10°C and about 40°C.
- the liquor and fabrics in contact therewith are preferably agitated during treatment.
- the amount of cationic softening agent and lanolin or lanolin-like material deposited on the fabric depends on, inter alia, the concentration of these components in the treatment liquor, the treatment temperature, the degree of agitation, the treatment time and the nature of the fabric. Generally, a level of less than about 0.5%, such as between about 0.01% and about 0.4% by weight in total of these components will be deposited, based on the weight of the dry fabric.
- the balance of the composition comprises the aqueous medium, as the case may be with the other ingredients as set out below.
- the aqueous medium comprises at least 25%, preferably at least 30%, and especially at least 40% of the composition.
- compositions of the invention may further comprise additional beneficial ingredients, commonly used or proposed for inclusion in liquid fabric-softening compositions.
- additional beneficial ingredients commonly used or proposed for inclusion in liquid fabric-softening compositions.
- Such ingredients include additional viscosity modifiers, germicides, fluorescers, perfumes including deodorising perfumes, organic or inorganic acids, antistatic agents such as water-soluble cationic surfactants, ethoxylated quaternary polyamine compounds (eg Ethoduameen T 13) and aluminium salts, soil-release agents, colourants, antioxidants, bleaches, bleach precursors, anti-yellowing agents, ironing aids etc, all in the conventional minor amounts.
- Enzymes such as cellulases may also be included.
- compositions may also contain, in addition to the cationic fabric-softening agents, other non-cationic fabric-softening agents such as nonionic fabric-softening agents.
- the fabric softening compositions may include a viscosity modifier selected from polymers as described below, C 12 -C 40 hydrocarbons, C 9 -C 24 fatty acids, fatty acid esters having a total of 10-40 carbon atoms, C 10 -C 18 fatty alcohols, water-miscible solvents, and electrolytes.
- a viscosity modifier selected from polymers as described below, C 12 -C 40 hydrocarbons, C 9 -C 24 fatty acids, fatty acid esters having a total of 10-40 carbon atoms, C 10 -C 18 fatty alcohols, water-miscible solvents, and electrolytes.
- the polymer when included in the composition of the invention may be present therein in an amount of from 0.5 to 40%, preferably from 1 to 30%, and particularly preferably 4-25%.
- the polymer, suitable for inclusion, is defined in the following way:
- the polymer should furthermore have a molecular weight of at least 400, preferably at least 4,000 and particularly preferably at least 6,000.
- the polymer does not negatively interact with any of the other ingredients of the composition.
- Suitable examples of the polymer can be thus obtained from the polyalkyleneglycols, the polyalkylene imines, dextran, gelatin and other natural or synthetic (co)polymers, as long as they meet the above criteria.
- Mixtures of two or more polymers of the same type or of different type may also be used.
- a preferred class of polymers comprises polyethyleneglycols with an average molecular weight of about 1,000 to about 6,000. These polymers, and especially those with an average molecular weight of 4,000 or 6,000, are particularly suitable for compositions of the invention with a high level of relatively water-insoluble cationic fabric-softening agent.
- Suitable polymers are dextran with a molecular weight of 10,000 and polyethylene imine with a molecular weight of 45-750.
- composition contains a C 12 -C 40 hydrocarbon as a viscosity control agent, this is advantageously at a level of from 0.25% to 50% by weight, preferably from 0.5% to 25%.
- Preferred materials have from 12 to 24 carbon atoms and especially preferred are liquid mixtures of paraffins having from 14 to 18 carbon atoms.
- suitable hydrocarbons are found in the paraffin and olefin series, but other materials, such as alkynes and cyclic hydrocarbons are not excluded.
- Materials known generally as paraffin oil, and petroleum are suitable. Examples of specific materials are hexadecane, octadecane, eicosane tetradecane and octadecane.
- Preferred commercially-available paraffin mixtures include spindle oil and light oil and technical grade mixtures of C 14 -C 18 n-paraffins.
- Haloparaffins such as myristyl chloride and stearyl bromide are not excluded.
- composition contains a C 9 -C 24 fatty acid, this is advantageously at a level of from 0.5 to 15%.
- Highly preferred materials of this class are the C 10- C 20 saturated fatty acids, especially lauric acid, myristic acid, palmitic acid and stearic acid.
- the composition contains a fatty acid ester having a total of 10 to 40 carbon atoms this is at a preferred level of from 0.25 to 15% by weight, advantageously 0.5 to 4%.
- the ester is preferably empirically derived from a fatty acid having 8 to 23 carbon atoms and an alkanol or hydroxy alkanol having 1-8, especially 1-4 carbon atoms.
- esters derived from C l -C 3 alcohols and lauric myristic, palmitic or stearic acid, such as methyl laurate, ethyl myristate, iso-propyl stearate, ethylene glycol monostearate, ethyl stearate, methyl palmitate, and other esters such as iso-butyl stearate and 2-ethylhexyllaurate, iso-octyl myristate.
- composition contains a fatty alcohol having from 10 to 18 carbon atoms, this is preferably at a level of from 0.25 to 15% by weight.
- decanol dodecanol
- tetradecanol pentadecanol
- hexadecanol octadecanol
- the most preferred materials are lauryl and palmityl alcohols.
- a solvent this may be a lower alkanol, a glycol, a glycolether and the like.
- the solvent may be present at a level of up to 20% by weight, such as from 5% to 15% by weight.
- the cationic fabric-softening agent is supplied in the form of an aqueous-alcoholic solution, that alcohol content is included in the above amounts, and if necessary only a small amount of extra alcohol is to be added.
- a suitable solvent is isopropanol.
- the viscosity of the fabric softening composition may be controlled by the presence of an electrolyte.
- the electrolyte is a water-soluble non-surface active salt such as sodium chloride, sodium methosulphate, sodium benzoate, calcium chloride, magnesium chloride or aluminium chlorhydrate.
- the level of electrolyte will determine or be determined by the desired viscosity of the composition and the nature and concentration of other components in the composition. Typical levels are from about 100 to about 1000 parts per million, most preferably between about 200 and about 500 parts per million.
- the fabric softening compositions optionally contain one or more nonionic emulsifying agents, such as the polymerised monoglycerides of long chain fatty acids having from 14 to 24 carbon atoms in the straight or branched saturated or unsaturated carbon chain, such as noly- monolauryl glyceride, poly-monostearyl glyceride, poly- monopalmityl glyceride or poly-monooleyl glyceride.
- nonionic emulsifying agents such as the polymerised monoglycerides of long chain fatty acids having from 14 to 24 carbon atoms in the straight or branched saturated or unsaturated carbon chain, such as noly- monolauryl glyceride, poly-monostearyl glyceride, poly- monopalmityl glyceride or poly-monooleyl glyceride.
- Another suitable nonionic emulsifying agent is sorbitan monostearate.
- nonionic emulsifying agents are available commercially by the Trade Marks WITCONOL (Witco Chemicals Ltd) and SPAN (Atlas Chemical).
- the nonionic emulsifying agent may be present at a level from 0.5% to 9.5% by weight, such as from 2.4% to 6%.
- compositions according to the invention can also include a water-soluble cationic or non-ionic surfactant.
- water-soluble it is meant that the surfactant has a solubility in water of pH 2.5 and 20°C of greater than 10 g/l.
- such materials are alkyl substituted ammonium salts having one C 12 -C 24 alkyl chain, optionally substituted or interrupted by functional groups such as -0-, -COO-, -CONH-, -O- etc.
- Suitable water-soluble nonionic surfactants are the ethoxylates, sorbitan esters available as TWEENS (Atlas Chemical).
- a water-soluble cationic or nonionic emulsifying agent in the composition if it contains as a viscosity modifier a hydrocarbon, fatty acid, fatty alcohol or fatty acid ester of the types referred to above.
- the level of the water-soluble surfactant is preferably 0.01% to 1%.
- the compositions contain substantially no anionic material such as anionic surfactants. However some anionic material may be tolerated in practice.
- the weight ratio of anu anionic material to the cationic fabric softening agent is less 5than 0.4:1, most preferably less than 0.2:1.
- the viscosity of the fabric softening compositions is preferably less than about 150 cP, most preferably less than about 120 cP. This viscosity is measured at 25'C and 110 sec -1 in a Haake Viscometer.
- compositions of the invention can normally be prepared by mixing the ingredients together in water, heating to a temperature of about 60°C and agitating for 5-30 minutes.
- Fabric conditioning compositions were made up according to the formulations given in the following Tables I and II by mixing the ingredients together in water at about 60°C and agitating.
- the cationic fabric softening agents used were:
- the lanolin used in each case was pure lanolin BP (ex BDM).
- the viscosity modifying agents used were:
- the water-soluble emulsifying agent used was Arquad 18 (50% active).
- Each Table also gives the viscosity of the composition as measure in a Haake viscometer at 110 sec -1 and at 25°C.
- Fabric conditioning compositions were made up according to the formulations given in the following Table III by mixing the ingredients together in water at about 60°C and agitating. Product viscosities were measured as in Examples 1 to 13.
- Pieces of cotton terry cloth were treated with liquors made up from these compositions.
- the treated cloths were assessed by a panel of people who found that composition B gave more preferred results than composition A.
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Abstract
Description
- The present invention relates to a fabric softening composition. In particular, but not exclusively, it relates to an aqueous based concentrated fabric softening composition.
- It is known to treat fabrics, particularly after washing, with fabric softening agents in order to improve the feel of the fabrics and, in the case of clothes, to improve the comfort in wear. Traditionally, fabric softening agents are applied from an aqueous liquor which is made up by adding a relatively small volume of a fabric softening composition to a large volume of water, for example during the rinse cycle in an automatic washing machine. The fabric softening composition is usually an aqueous liquid product containing less than about 8% of a cationic fabric softening agent. For a number of reasons, including for example the cost of packaging, it would be preferred if the product were to contain more than 8% of the active ingredient but due to difficulties in manufacture, storage and ease of use of the products, it has only been possible to do this in the past with some difficulty.
- Further, there may be a desire to partially replace the cationic fabric softening agent with a material which is less costly, easier to handle or less prone to causing skin reaction while at the same time maintaining or substantially maintaining the performance of the product.
- As set out in more detail below, the present invention seeks to overcome one or more of the objectives referred to above by the combined use of a cationic fabric softening agent and lanolin or a lanolin-like material.
- According to the invention there is provided a fabric softening composition comprising an aqueous base and at least 0.5% by weight of a cationic fabric softening agent, characterised in that it further comprises from 0.25% up to 10% by weight of lanolin or-a lanolin-like material.
- An essential component of the present invention is lanolin or a lanolin-like material. Lanolin is wool wax which has been purified by various purification steps including washing, neutralisation, filtration, bleaching and deodorisation. Lanolin is composed primarily of esters which constitute the active constituents in the present invention and which yield on hydrolysis a mixture of complex alcohols and fatty acids. The alcohols which form about half of the ester component by weight, include sterols and terpene alcohols. The sterols amount to about 30% and include cholesterol, 7-dehydrocholesterol and cerebosterol and dihydrocholesterol (cholestanol). The terpene alcohols include lanesterol (C30N50O), dihydrolanesterol (C30HS20), agnosterol (C30H480), dihydroagnosterol (C30H50O).
- Lanolin is available commercially in a number of forms. Lanolin as such contains the active constituents primarily in their ester form. It is also available in two hydrolysed forms where the active constituents are primarily in their alcoholic or carboxylic acid form. Further, lanolin may be hydrogenated to form a product where the active constituents are present primarily only in their alcoholic form. Lanolin is also commercially available in propoxylated and acetylated forms. As used herein the term "lanolin" is intended to refer to any such material derived from wool wax whether the active constituents are in the alcoholic, ester, alkoxylated, hydrogenated or other chemical form.
- Suitable commercial forms of lanolin include Corona (lanolin BP), Hartolan, Polychol and Coronet (Trade Marks of Croda Chemicals Ltd), Solulan, Acetulan and Modulan (Trade Marks of American Cholesterol Products Inc) and Lanocerina (Trade Mark - Esperis SpA Milan). Commercial lanolin is also available from Westbrook Lanolin Co., Bradford, England.
- Many of the active constituents of lanolin can be prepared synthetically, from sources other than wool wax or can be extracted from wool wax and other naturally occurring materials. While for cost reasons the commercially available forms of lanolin are preferred for the present invention, it is also possible to use any one or more of the active constituents referred to above however derived, and also materials of similar structure. Thus, in place of lanolin one may use a "lanolin-like material" which term as used herein includes
- (a) any one or more of the active lanolin constituents referred to above, and the carboxylic acid or alcohol, derivatives thereof;
- (b) the corresponding carboxylic acids or alcohols and ester derivatives of the materials listed in (a), in particular the esters thereof with fatty acids or alcohols containing at least 12 carbon atoms.
- [c) iso- and anteiso- alcohols and acids and derivatives thereof having the general formula
- The level of lanolin or lanolin-like material in the fabric softening compositions is from 0.25% up to 10% by weight, such as between 0.5% and 5% by weight of the composition.
- Any well-known cationic fabric softening agent can be used in the present invention, as well as mixtures of two or more of such agents.
- Suitable examples of cationic fabric-softening agents are quaternary ammonium compounds containing two long alkyl or alkenyl chains with 12-22 carbon atoms such as di(hardened or unhardened tallow) dimethyl ammoniumchloride, 2-heptadecyl-2methylstearoyl amido ethyl imidazoline methosulphate, di-(coco)dimethyl ammoniumchloride, etc. These cationic fabric-softening agents are well-known in the art and further suitable examples can be found in Schwartz-Perry: "Surface-active Agents and Detergents" Vol II, 1958.
- Relatively water-soluble cationic softening agents, such as the monoalkyl quaternary ammonium compounds such as stearyltrimethylammoniumchloride, may also be used, but, as they are often less effective softeners, they are preferably used in conjunction with other, more effective cationic fabric softening agents or with non-cationic softening agents such as fatty acid esters of polyols such as sorbitantristearate, glycerolmonostearate, and so on, or with anionic detergents with which they are capable of forming softening complexes, such as fatty acid soaps. They may also be made more hydrophobic by treatment with suitable hydrophobising agents such as long chain alcohols and fatty acids. The present invention is however of particular benefit if the more effective, less water-soluble cationic softening agents having two long alkyl chains are used.
- The level of cationic fabric softening agent in the aqueous fabric softening compositions is at least 0.5% but preferably no more than 30% by weight, such as between 1.0% and 15% by weight of the composition.
- The ritic by weight of the cationic fabric softening agent to the lanolin or lanolin-like material may lie between 0.05:1 and 20:1, more preferably between 0.1:1 and 10:1, especially between 1:1 and 4:1.
- In use, the fabric softening composition of the invention is added to a large volume of water to form a liquor with which the fabrics to be treated are contacted. Generally, the total concentration of the cationic fabric softening agent and the lanolin or lanolin-like materials in this liquor will be between about 50 ppm and about 500 ppm.
- The pH of the aqueous composition used for forming the liquor may be varied within a range, for example between about 3 and about 8, preferably from about 4 to about 6. To achieve the desired pH in the composition and in the treatment liquor, the composition may contain buffering agents as required such as benzoic acid, citric acid and phosphoric acids and/or their alkali metal salts.
- In use, the fabrics to be treated are contacted with an aqueous liquor to which the fabric softening composition is added, the ratio by weight of the fabrics to the liquor being preferably less than about 25:1, most preferably between about 10:1 and about 4:1.
- The aqueous liquor in contact with the fabrics may be at any convenient temperature. Successful results can be obtained when the liquor has a temperature between about 0°C and about 60°C, preferably between about 10°C and about 40°C.
- The liquor and fabrics in contact therewith are preferably agitated during treatment.
- The amount of cationic softening agent and lanolin or lanolin-like material deposited on the fabric depends on, inter alia, the concentration of these components in the treatment liquor, the treatment temperature, the degree of agitation, the treatment time and the nature of the fabric. Generally, a level of less than about 0.5%, such as between about 0.01% and about 0.4% by weight in total of these components will be deposited, based on the weight of the dry fabric.
- The balance of the composition comprises the aqueous medium, as the case may be with the other ingredients as set out below. The aqueous medium comprises at least 25%, preferably at least 30%, and especially at least 40% of the composition.
- The compositions of the invention may further comprise additional beneficial ingredients, commonly used or proposed for inclusion in liquid fabric-softening compositions. Such ingredients, either alone or incorporated in suitable carriers, include additional viscosity modifiers, germicides, fluorescers, perfumes including deodorising perfumes, organic or inorganic acids, antistatic agents such as water-soluble cationic surfactants, ethoxylated quaternary polyamine compounds (eg Ethoduameen T 13) and aluminium salts, soil-release agents, colourants, antioxidants, bleaches, bleach precursors, anti-yellowing agents, ironing aids etc, all in the conventional minor amounts. Enzymes such as cellulases may also be included.
- The compositions may also contain, in addition to the cationic fabric-softening agents, other non-cationic fabric-softening agents such as nonionic fabric-softening agents.
- In particular, the fabric softening compositions may include a viscosity modifier selected from polymers as described below, C12-C40 hydrocarbons, C9-C24 fatty acids, fatty acid esters having a total of 10-40 carbon atoms, C10-C18 fatty alcohols, water-miscible solvents, and electrolytes.
- The polymer when included in the composition of the invention may be present therein in an amount of from 0.5 to 40%, preferably from 1 to 30%, and particularly preferably 4-25%. The polymer, suitable for inclusion, is defined in the following way:
- The polymer should be water-soluble under user's conditions, and a 20% aqueous solution of the polymer should have a viscosity (η) of <50, preferably < 30 and especially preferably <15 cP, as measured at 25°C and 110 sec-1 in a Haake Viscometer. Said 20% aqueous solution should also show a vapour pressure equal to or lower than the vapour pressure of a 2% aqueous solution of polyethyleneglycol with a molecular weight of 6,000, preferably equal to or lower than that of a 10% aqueous solution of said polyethyleneglycol, and particulary preferably equal to or lower than that of an 18% aqueous solution of said polyethyleneglycol. The said aqueous polymer solution can be of water and polymer only, or can include solvent- containing media normally derived from the raw materials or additives, or include additives specifically designed to improve the vapour pressure lowering capacity of the polymer, or, in the case of ionic polymers, include adjustments to pH in order to optimise ionisation. Such vapour pressure measurements can be obtained using an Hewlett Packard vapour pressure osmometer, using an operating temperature of 34.5°C or using any other suitable vapour measuring device.
- The polymer should furthermore have a molecular weight of at least 400, preferably at least 4,000 and particularly preferably at least 6,000.
- It is desirable, furthermore, that the polymer does not negatively interact with any of the other ingredients of the composition.
- Suitable examples of the polymer can be thus obtained from the polyalkyleneglycols, the polyalkylene imines, dextran, gelatin and other natural or synthetic (co)polymers, as long as they meet the above criteria.
- Mixtures of two or more polymers of the same type or of different type may also be used.
- A preferred class of polymers comprises polyethyleneglycols with an average molecular weight of about 1,000 to about 6,000. These polymers, and especially those with an average molecular weight of 4,000 or 6,000, are particularly suitable for compositions of the invention with a high level of relatively water-insoluble cationic fabric-softening agent.
- Other typical examples of suitable polymers are dextran with a molecular weight of 10,000 and polyethylene imine with a molecular weight of 45-750.
- When the composition contains a C12-C40 hydrocarbon as a viscosity control agent, this is advantageously at a level of from 0.25% to 50% by weight, preferably from 0.5% to 25%. Preferred materials have from 12 to 24 carbon atoms and especially preferred are liquid mixtures of paraffins having from 14 to 18 carbon atoms.
- Normally, suitable hydrocarbons are found in the paraffin and olefin series, but other materials, such as alkynes and cyclic hydrocarbons are not excluded. Materials known generally as paraffin oil, and petroleum are suitable. Examples of specific materials are hexadecane, octadecane, eicosane tetradecane and octadecane. Preferred commercially-available paraffin mixtures include spindle oil and light oil and technical grade mixtures of C14-C18 n-paraffins. Haloparaffins such as myristyl chloride and stearyl bromide are not excluded.
- When the composition contains a C9-C24 fatty acid, this is advantageously at a level of from 0.5 to 15%.
- Highly preferred materials of this class are the C10-C20 saturated fatty acids, especially lauric acid, myristic acid, palmitic acid and stearic acid.
- When the composition contains a fatty acid ester having a total of 10 to 40 carbon atoms this is at a preferred level of from 0.25 to 15% by weight, advantageously 0.5 to 4%. The ester is preferably empirically derived from a fatty acid having 8 to 23 carbon atoms and an alkanol or hydroxy alkanol having 1-8, especially 1-4 carbon atoms. Specific examples include esters derived from Cl-C3 alcohols and lauric, myristic, palmitic or stearic acid, such as methyl laurate, ethyl myristate, iso-propyl stearate, ethylene glycol monostearate, ethyl stearate, methyl palmitate, and other esters such as iso-butyl stearate and 2-ethylhexyllaurate, iso-octyl myristate.
- When the composition contains a fatty alcohol having from 10 to 18 carbon atoms, this is preferably at a level of from 0.25 to 15% by weight.
- Specific examples of this class are decanol, dodecanol, tetradecanol, pentadecanol, hexadecanol and octadecanol. The most preferred materials are lauryl and palmityl alcohols.
- When the composition contains as viscosity control agent a solvent this may be a lower alkanol, a glycol, a glycolether and the like. The solvent may be present at a level of up to 20% by weight, such as from 5% to 15% by weight. When the cationic fabric-softening agent is supplied in the form of an aqueous-alcoholic solution, that alcohol content is included in the above amounts, and if necessary only a small amount of extra alcohol is to be added. A suitable solvent is isopropanol.
- The viscosity of the fabric softening composition may be controlled by the presence of an electrolyte. Preferably the electrolyte is a water-soluble non-surface active salt such as sodium chloride, sodium methosulphate, sodium benzoate, calcium chloride, magnesium chloride or aluminium chlorhydrate. The level of electrolyte will determine or be determined by the desired viscosity of the composition and the nature and concentration of other components in the composition. Typical levels are from about 100 to about 1000 parts per million, most preferably between about 200 and about 500 parts per million.
- The fabric softening compositions optionally contain one or more nonionic emulsifying agents, such as the polymerised monoglycerides of long chain fatty acids having from 14 to 24 carbon atoms in the straight or branched saturated or unsaturated carbon chain, such as noly- monolauryl glyceride, poly-monostearyl glyceride, poly- monopalmityl glyceride or poly-monooleyl glyceride.
- Another suitable nonionic emulsifying agent is sorbitan monostearate.
- These nonionic emulsifying agents are available commercially by the Trade Marks WITCONOL (Witco Chemicals Ltd) and SPAN (Atlas Chemical). The nonionic emulsifying agent may be present at a level from 0.5% to 9.5% by weight, such as from 2.4% to 6%.
- In addition to the above-discussed components, compositions according to the invention can also include a water-soluble cationic or non-ionic surfactant.
- By water-soluble, it is meant that the surfactant has a solubility in water of pH 2.5 and 20°C of greater than 10 g/l. Normally such materials are alkyl substituted ammonium salts having one C12-C24 alkyl chain, optionally substituted or interrupted by functional groups such as -0-, -COO-, -CONH-, -O- etc. Suitable water-soluble nonionic surfactants are the ethoxylates, sorbitan esters available as TWEENS (Atlas Chemical).
- It is particularly beneficial to include a water-soluble cationic or nonionic emulsifying agent in the composition if it contains as a viscosity modifier a hydrocarbon, fatty acid, fatty alcohol or fatty acid ester of the types referred to above. The level of the water-soluble surfactant is preferably 0.01% to 1%.
- Preferably, the compositions contain substantially no anionic material such as anionic surfactants. However some anionic material may be tolerated in practice. In preferred compositions the weight ratio of anu anionic material to the cationic fabric softening agent is less 5than 0.4:1, most preferably less than 0.2:1.
- The viscosity of the fabric softening compositions is preferably less than about 150 cP, most preferably less than about 120 cP. This viscosity is measured at 25'C and 110 sec-1 in a Haake Viscometer.
- The compositions of the invention can normally be prepared by mixing the ingredients together in water, heating to a temperature of about 60°C and agitating for 5-30 minutes.
- The invention will now be illustrated by the following non-limiting examples.
- Fabric conditioning compositions were made up according to the formulations given in the following Tables I and II by mixing the ingredients together in water at about 60°C and agitating.
- The cationic fabric softening agents used were:
- CFS 1 - Arosurf TA 100 (approx 100% active)
- CFS 2 - Arquad 2HT (82.35% active)
- CFS 3 - Varisoft 475 (75% active)
- CFS 4 - Di(soft tallow) imidazoline methosulphate
- The lanolin used in each case was pure lanolin BP (ex BDM).
- The viscosity modifying agents used were:
- VMA 1 - n C14-C17 paraffin (ex BP)
- VMA 2 - sodium chloride
- VMA 3 - polyethylene glycol (MW 1.5K)
- VMA 4 - polyethylene glycol (MW 4K)
- VMA 5 - isopropanol
- VMA 6 - propylene glycol
- The water-soluble emulsifying agent used was Arquad 18 (50% active).
-
- Similar results can be achieved when Arquad 2T (ex Armak) is used as the cationic fabric softener. Similar results can also be achieved when lanolin BP is replaced with Coronet grade lanolin (ex Croda) or Lanolin P95 (ex Westbrook Lanolin Co). Still further similar results can be achieved by using calcium chloride, magnesium chloride or aluminium chlorhydrate.
-
-
-
- Two fabric softening compositions were prepared according to the following Table.
-
- Pieces of cotton terry cloth were treated with liquors made up from these compositions. The treated cloths were assessed by a panel of people who found that composition B gave more preferred results than composition A.
- Except as indicated otherwise, all percentages referred to herein are by weight, based on the weight of the composition.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83300625T ATE42570T1 (en) | 1982-02-10 | 1983-02-08 | TEXTILE SOFTENER COMPOSITION. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8203881 | 1982-02-10 | ||
GB8203881 | 1982-02-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0088520A2 true EP0088520A2 (en) | 1983-09-14 |
EP0088520A3 EP0088520A3 (en) | 1986-02-26 |
EP0088520B1 EP0088520B1 (en) | 1989-04-26 |
Family
ID=10528228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83300625A Expired EP0088520B1 (en) | 1982-02-10 | 1983-02-08 | Fabric softening composition |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0088520B1 (en) |
JP (1) | JPS58149380A (en) |
AT (1) | ATE42570T1 (en) |
BR (1) | BR8300643A (en) |
CA (1) | CA1192003A (en) |
DE (1) | DE3379733D1 (en) |
GB (1) | GB2114618B (en) |
GR (1) | GR77963B (en) |
IN (1) | IN156622B (en) |
NO (1) | NO830421L (en) |
PH (1) | PH17958A (en) |
PT (1) | PT76218B (en) |
ZA (1) | ZA83878B (en) |
ZW (1) | ZW3583A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0107479A2 (en) * | 1982-10-21 | 1984-05-02 | Unilever Plc | Fabric conditioning composition |
EP0159918A2 (en) * | 1984-04-19 | 1985-10-30 | Unilever Plc | Fabric softening composition |
WO2008040785A1 (en) * | 2006-10-06 | 2008-04-10 | Dow Corning Corporation | Process for preparing fabric softener compositions |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2202184A1 (en) * | 1972-10-10 | 1974-05-03 | Colgate Palmolive Co | Fabric softening aerosol compsn - lanoline deriv, foaming agent, fluid medium and liquefied gas |
DE2360408A1 (en) * | 1972-12-05 | 1974-06-12 | Unilever Nv | DETERGENT COMPOSITION |
US4110498A (en) * | 1976-03-08 | 1978-08-29 | The Procter & Gamble Company | Fabric treatment compositions |
GB2007734A (en) * | 1977-10-22 | 1979-05-23 | Cargo Fleet Chemical Co | Fabric softeners |
EP0013780A1 (en) * | 1979-01-11 | 1980-08-06 | THE PROCTER & GAMBLE COMPANY | Concentrated fabric softening composition |
-
1983
- 1983-02-03 CA CA000420859A patent/CA1192003A/en not_active Expired
- 1983-02-03 PH PH28478A patent/PH17958A/en unknown
- 1983-02-04 ZW ZW35/83A patent/ZW3583A1/en unknown
- 1983-02-07 IN IN37/BOM/83A patent/IN156622B/en unknown
- 1983-02-07 GR GR70434A patent/GR77963B/el unknown
- 1983-02-08 DE DE8383300625T patent/DE3379733D1/en not_active Expired
- 1983-02-08 GB GB08303393A patent/GB2114618B/en not_active Expired
- 1983-02-08 EP EP83300625A patent/EP0088520B1/en not_active Expired
- 1983-02-08 AT AT83300625T patent/ATE42570T1/en not_active IP Right Cessation
- 1983-02-09 JP JP58020538A patent/JPS58149380A/en active Pending
- 1983-02-09 BR BR8300643A patent/BR8300643A/en not_active IP Right Cessation
- 1983-02-09 NO NO830421A patent/NO830421L/en unknown
- 1983-02-09 PT PT76218A patent/PT76218B/en unknown
- 1983-02-09 ZA ZA83878A patent/ZA83878B/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2202184A1 (en) * | 1972-10-10 | 1974-05-03 | Colgate Palmolive Co | Fabric softening aerosol compsn - lanoline deriv, foaming agent, fluid medium and liquefied gas |
DE2360408A1 (en) * | 1972-12-05 | 1974-06-12 | Unilever Nv | DETERGENT COMPOSITION |
US4110498A (en) * | 1976-03-08 | 1978-08-29 | The Procter & Gamble Company | Fabric treatment compositions |
GB2007734A (en) * | 1977-10-22 | 1979-05-23 | Cargo Fleet Chemical Co | Fabric softeners |
EP0013780A1 (en) * | 1979-01-11 | 1980-08-06 | THE PROCTER & GAMBLE COMPANY | Concentrated fabric softening composition |
Non-Patent Citations (1)
Title |
---|
Encyclopedia of Chemical Technology, Kirk-Othmer, 3rd ed., vol. 24, J. Wiley & Son (1984), pp. 636-639 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0107479A2 (en) * | 1982-10-21 | 1984-05-02 | Unilever Plc | Fabric conditioning composition |
EP0107479A3 (en) * | 1982-10-21 | 1986-03-19 | Unilever Plc | Fabric conditioning composition |
EP0159918A2 (en) * | 1984-04-19 | 1985-10-30 | Unilever Plc | Fabric softening composition |
EP0159918A3 (en) * | 1984-04-19 | 1986-12-30 | Unilever Plc | Fabric softening composition |
WO2008040785A1 (en) * | 2006-10-06 | 2008-04-10 | Dow Corning Corporation | Process for preparing fabric softener compositions |
US8242071B2 (en) | 2006-10-06 | 2012-08-14 | Dow Corning Corporation | Process for preparing fabric softener compositions |
Also Published As
Publication number | Publication date |
---|---|
PH17958A (en) | 1985-02-20 |
EP0088520B1 (en) | 1989-04-26 |
PT76218B (en) | 1986-07-14 |
ZW3583A1 (en) | 1984-08-29 |
EP0088520A3 (en) | 1986-02-26 |
CA1192003A (en) | 1985-08-20 |
GB8303393D0 (en) | 1983-03-16 |
JPS58149380A (en) | 1983-09-05 |
GR77963B (en) | 1984-09-25 |
ZA83878B (en) | 1984-09-26 |
IN156622B (en) | 1985-09-21 |
NO830421L (en) | 1983-08-11 |
GB2114618A (en) | 1983-08-24 |
DE3379733D1 (en) | 1989-06-01 |
GB2114618B (en) | 1986-05-21 |
PT76218A (en) | 1983-03-01 |
ATE42570T1 (en) | 1989-05-15 |
BR8300643A (en) | 1983-11-08 |
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