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
  • C11D3/37—Polymers
  • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
  • C11D3/3742—Nitrogen containing silicones
• • 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
  • C11D3/37—Polymers
  • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones

Definitions

• compositions herein comprise conventional ingredients inclusive of surface-active agents, liquid carrier and optional ingredients such as detergent builders, enzymes and suds regulants and low levels of organo-functional polydi-short alkylsiloxanes.
• the latter ingredient unexpectedly provides desirable through-the-wash textile benefits inclusive of softness.
• the preferred siloxanes embrace amino derivatives.
• the essential siloxanes are further characterized by a degree of substitution in the range from 0.01 - 0.7.
• the through-the-wash textile benefits conferred by the inventive compositions are frequently perceived in terms of anti-static, ease-of-ironing and anti-wrinkling benefits.
• the essential siloxane components do not, adversely affect the general textile cleaning suitability of the compositions herein.
• the liquid compositions herein can be divided arbitrarily in (mostly P-)-built compositions and in substantially unbuilt compositions. Both kinds of compositions will procure textile handling benefits. Selective preference can originate from the combined use of anionic surface-active agents in combination with the subject siloxanes.
• silicones/polydialkylsiloxanes are crowded and diverse.
• the like siloxanes have, for example, found widespread commercial application in a detergent suds regulant functionality.
• Silicone polymers have also found widespread application in the textile industry to provide fiber properties inclusive of softness, water proofing and easy ironing. To that effect the silicone polymers are applied (in the textile industry) to the fabrics during manufacture or during make-up of clothing, in the form of relatively concentrated dispersions or solutions either by padding or spray-on. Often, especially for long lasting softness, water proofing treatment or other benefits, mixtures or organofunctional polydialkylsiloxanes are used. The fabrics are subsequently treated with catalysts or heated to cause crosslinking or setting of the silicone polymers.
• German Patent 27 54 504 and U.S. 4.247.592 disclose a treating agent consisting of a polydimethylsiloxane containing diaminoalkyl groups for providing softness to natural and synthetic fabrics.
• Japanese Patent 79,131,096 pertains to a treating agent consisting of a mixture of polydimethylsiloxane with NHR-groups and a polydimethylsiloxane with hydroxy end groups, for providing softness to acrylics.
• the fabrics are spray coated and then heated for curing.
• German Patent 20 16 095 uses polydimethylsiloxane containing pendant epoxy groups for providing softness and smoothness to synthetic organic fabrics.
• European Patent 058 493 relates to a treating agent mixture of an organo polysiloxane containing diaminoalkyl and polyoxyalkylene groups, with an organopolysiloxane containing carboxylic acid ester groups or with an organopolysiloxane containing epoxy and polyoxyalkylene groups.
• the mixture is added by spray-on and treated for curing. It is said to provide softness, anti-wrinkling and long lasting electrostatic prevention benefits.
• German Patent application DOS 26.31.419 relates to fabric rinse softening compositions containing a fabric-substantive cationic component and a polydimethylsiloxane possibly amino substituted. The mixture is applied as an aqueous dispersion.
• organo-functional polydialkylsiloxanes preferably aminosubstituted species
• liquid detergents generally to provide remarkable benefits inclusive of through-the-wash softening and further textile handling improvements.
• the essential means needed to achieve these unexpected properties are explained in more detail hereafter.
• This invention is based on the discovery that liquid detergent compositions capable of simultaneously providing fiber-cleaning and textile handling benefits, inclusive of softness, can now be formulated containing a binary component systems and an organo-functional siloxane.
• compositions herein comprise :
• substituted siloxanes are incorporated in liquid detergent compositions containing inorganic builder salts such as (poly)-phosphates.
• the siloxanes are incorporated in concentrated liquid compositions which are substantially free of builders.
• the invention herein broadly relates to liquid detergent compositions comprising a surface-active agent, a liquid carrier, an organo-functional polydi-alkylsiloxane textile treatment agent, and, if desirable, conventional detergent additives.
• a first essential component for use in the compositions of this invention is represented by a surface-active agent selected from the group of anionic, nonionic, amphoteric (ampholytic) and zwitterionic surface-active agents and mixtures thereof.
• a surface-active agent selected from the group of anionic, nonionic, amphoteric (ampholytic) and zwitterionic surface-active agents and mixtures thereof.
• nonionic surface-active agent is meant to include semi-polar nonionic surfactants.
• non-ionic surfactants examples include E.P.A 0.028.865 page 4, line 23 to page 5, line 10 and page 8 line 14 to page 9, line 4, said disclosures being incorporated herein by reference.
• anionic surfactants for use herein can be represented by known synthetic and natural anionic surface-active agents which are known to be suitable for use in detergents and frequently have found commercial application. Suitable synthetic anionic surfactants are described in E.P.A 0.028.865 page 5, line 12 to line 31.
• natural anionic surface-active agents for use in this invention can be represented by saturated and unsaturated fatty acids having from 10 to 20 carbon atoms in the alkyl chain or the alkali-metal, earth-alkali-metal and amine or alkanolamine soaps thereof.
• Preferred fatty acids/soaps have from 12 to 18 carbon atoms in the alkyl chain.
• fatty acids/soaps suitable for use herein are natural coconut fatty acid containing a majority of C 12 and C 14 acids and tallow fatty acids containing a mixture of saturated and unsaturated C 16 and C 18- fatty acids/soaps.
• the surface -active agent is used generally at levels from 5% to 70%. While the surface-active agent may be varied over the broad range depending upon the intended utility of the composition and the quantitative and qualitative definition of the additional ingredients and possibly optional components, two preferred executions can be formulated depending upon the presence of (poly)-phosphate builders.
• liquid compositions are envisaged which are substantially unbuilt.
• the surface active agents are frequently used in an amount from 25% to 55% and are represented by a mixture of anionic and nonionic surface-active agents, more preferably in a weight ratio of anionic to nonionic in the range from 4:1 to 1:4.
• liquid built detergent compositions are contemplated containing from 5% to 25%, preferably from 5% to 15% surface-active agent.
• the latter ingredient can preferably be represented by a mixture of anionic and nonionic surface-active agents whereby the anionic species represents at least 20% of the sum of anionic and nonionic surface-active agents, and at least 3%, calculated on the detergent composition.
• the like detergent compositions frequently comprise from 5% to 30%, preferably from 12% to 25% of a detergent builder which can be represented by conventional detergent builders many of which have already found commercial application.
• a detergent builder which can be represented by conventional detergent builders many of which have already found commercial application.
• suitable builders include the alkali, often sodium, metal salts of (poly)phosphates, e.g. tripolyphosphoric acid, nitrilotriacetic acid (NTA), citric acid and crystalline, completely hydrated, synthetically prepared zeolite builders having a particle diameter in the range from 0.1 to 10, preferably from 0.1 to 4 micrometers.
• Suitable zeolite builders are ZEOLITE A, X and P. Mixtures of detergent builders can also be used.
• compositions herein can additionally contain, as an optional ingredient, a cationic surfactant.
• a cationic surfactant Suitable cationic surfactant species for use herein are described in European Patent application 0.028.865, page 5, line 32 to page 7 line 21, this passage being incorporated herein by reference.
• the cationic surfactants can provide and/or enhance a broad range of textile treatment benefits inclusive of cleaning, feel, and bactericidal advantages.
• These optional cationic surface-active agents are used in additive levels, such as in levels not exceeding 10% of the cumulative amount of anionic and nonionic surfactants defined hereinbefore, and more preferred in a range from 1% to 5% of the detergent composition.
• compositions herein contain as a further essential component a liquid carrier, possibly a mixture of liquid carriers.
• the liquid carrier component can be represented by water and conventional liquid organic carriers.
• Non-limiting examples of the like organic carriers include lower aliphatic alcohol having from 2 to about 6 carbon atoms and 1 to 3 hydroxyl groups ; ethers of diethylene glycol and lower aliphatic mono-alcohols having from 1 to 4 carbon atoms and mixtures thereof.
• liquid carriers are : ethanol; n-propanol; isopropanol; butanol; 1,2-propanediol; 1,3-propanediol; n-hexanol; monomethyl-, -ethyl-, -propyl, and mono-butyl ethers and di-ethylene glycol.
• Other organic solvents having a relatively high boiling point and low vapor pressure can also be used, provided they do not react with any of the other ingredients present.
• the relative quantities of liquid carriers needed to insure the liquid state of the composition can vary depending upon the qualitative and quantitative ingredient parameters in a given composition. However, the adequate choice of the carrier is based on routine determinations well-known in the art.
• the essential organo-functional siloxane for use herein can be present in levels from 0.05% to 5%, preferably from 0.1% - 3%, and most preferably from 0.15% - 1%. Using levels below 0.05% will not anymore produce, to any noticeable extent, the claimed benefits whereas the incorporation of levels exceeding 5% will not produce additional benefits commensurate with (proportional to) the level increase.
• the siloxane component is preferably represented by amino-functional polydialkylsiloxanes which are frequently used in levels from 0.1% to 3%, more preferably from 0.15 - 1.0%.
• the degree of substitution of preferred siloxanes can be expressed as the molar (moiety) proportion of non-terminal silicones carrying a substituent other than a C 1-4 alkyl group to total non-terminal silicones.
• the numerical value for the degree of substitution of preferred siloxanes lies in the range from 0.01 to 0.7; preferably from 0.02 to 0.3. While non-terminal substitution is preferred for enhanced through-the-wash fiber substantivity, it is understood that siloxanes with substituted terminal silicone atoms can also be used.
• n is 3 or 4
• X and Y are, selected independently, hydrogen; - C 1-4 -alkyl; - C 5-6 - cycloalkyl and -C 2 -NH 2 .
• Preferred organofunctional polydimethyl siloxanes include aminofunctional siloxanes, such as :
• the organofunctional siloxanes have generally a viscosity in the range from 40 cSt to 100.000 cSt, preferably from 250 cSt to 2000 cSt.
• the viscosity of the siloxanes is measured on the pure raw material at 25°C with the aid of a BROOKFIELD® viscometer (LV Digital).
• the organofunctional polydimethyl siloxanes in addition to the essential substituents defined hereinbefore, can contain polyalkylene oxide chains attached to unsubstituted silicone atoms (in the meaning of this invention).
• the polyalkylene, such as propylene or ethylene, oxide chains are attached to the silicone atoms instead of a C l-4 alkyl group.
• the alkoxylation enhances the hydrophilic and antistatic (charge-reducing) properties of the component in relation to the textiles.
• compositions herein can contain a series of optional detergent ingredients with a view to improve the composition taking into consideration the specific utilization.
• optional components can be presented by virtually all substances, which are known to suitable for use in the like composition, for their known functionality in the art established levels.
• the non-built or built compositions of the invention can contain, in addition to the detergent builder, other types of sequestrants, having precipitation inhibitor or anti-incrustation properties, in varying levels e.g. in an amount from 0.2% to 5%.
• Such further sequestrants can be water-soluble copolymeric ingredients e.g. : polyacrylates, polymaleates and copolymeric carboxylates including those obtained from the copolymerization of unsaturated polyacids such a maleic or citraconic acid with suitable polymerizable reaction partners such as methacrylic acid, acrylic acid, mesaconic acid and methyl-vinyl-ether. Mixture of the like watersoluble detergent sequestrant can also be used.
• detergent enzymes such as proteases, amylases, lipases and mixtures thereof, and stabilizing agents for the like enzymes.
• soil suspending agents such as sodium carboxymethylcellulose and polyvinylpyrrolidone
• suds regulants such as C 16-22 fatty acids and methylated polysiloxanes, especially dimethylpolysiloxane, said silicone being used preferably at levels from 0.01% to 0.4%.
• Hydrotropes can also be used and are frequently desirable in built compositions.
• hydrotropes examples include the water-soluble alkylaryl sulfonates having up to 3 carbon atoms in an alkyl group such as sodium, potassium, ammonium, and ethanol amine salts of xylene-, toluene-, ethylbenzene- and isopropyl benzene sulfonic acids.
• the subject compositions further can comprise brighteners, perfumes, dyes, bactericidal agents, antioxidants, opacifiers, photoactivators, fillers and the like.
• liquid detergent compositions were prepared by mixing, in a conventional manner, the following ingredients in the stated proportions ; the aminofunctional polysiloxane was admixed directly in liquid composition under agitation.
• compositions in accordance with the invention are as follows :

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Detergent Compositions (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

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Cited By (131)

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Citations (5)

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• 1984
  • 1984-01-25 GB GB848401875A patent/GB8401875D0/en active Pending
• 1985
  • 1985-01-08 GR GR850050A patent/GR850050B/el unknown
  • 1985-01-15 DE DE8585200027T patent/DE3577107D1/de not_active Expired - Fee Related
  • 1985-01-15 AT AT85200027T patent/ATE51892T1/de active
  • 1985-01-15 EP EP85200027A patent/EP0150872B2/de not_active Expired - Lifetime
  • 1985-01-24 CA CA000472735A patent/CA1232412A/en not_active Expired
  • 1985-01-25 JP JP60011158A patent/JPH0657839B2/ja not_active Expired - Lifetime
  • 1985-01-25 MX MX204146A patent/MX163030B/es unknown

Patent Citations (5)

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