US3485762A - Laundry detergents containing ammonium salt of styrenemaleic anhydride copolymer and non-ionic,hydroxyl-containing surfactant - Google Patents
Laundry detergents containing ammonium salt of styrenemaleic anhydride copolymer and non-ionic,hydroxyl-containing surfactant Download PDFInfo
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- US3485762A US3485762A US552412A US3485762DA US3485762A US 3485762 A US3485762 A US 3485762A US 552412 A US552412 A US 552412A US 3485762D A US3485762D A US 3485762DA US 3485762 A US3485762 A US 3485762A
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- United States
- Prior art keywords
- styrene
- maleic anhydride
- resin
- hydroxyl
- soil
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- 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
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
Definitions
- a detergent composition containing about 40 to 90% of an alkaline builder, a minor amount of an ammonium salt of a styrene maleic anhydride resin of about 1 to 4 moles of styrene per mole of maleic anhyhydride, and about 10 to 50% of a non-ionic, hydroxylcontaining surfactant condensation product of an alkylene oxide of about '2 to 6 carbon atoms. Additionally the styrenemaleic anhydride resin may be partia ly esterified with the non-ionic surfactant.
- This invention relates to improved detergent compositions for the laundering of textiles. More particularly, it concerns the use of styrene-maleic anhydride resins in laundry detergents to form compositions which possess excellent emulsifying, dispersing and suspending properties and, th refore, show exceptional cleaning power.
- a large number of detergent c mpositions are known in the art and they generally include the many well-known detergents used in the household, as well as the heavy duty detergents which are used in industrial operations for cleaning highly soiled textiles.
- New synthetic fabrics for example, Dacron and Dacron-cotton containing materials, present many cleaning problems for present day detergents.
- One of the difficulties enc untered in laundering synthetic fabrics using these detergents concerns the ability to remove heavy soils and at the same time retain fabric whiteness.
- These detergent compositions must generally use laundering temperatures of about 190195 F. for industrial laundering and about l-l50 F. for household laundering to obtain satisfactory soil r moval.
- improved detergent compositions have been produced which are very effective for cleaning highly soiled textiles such as synthetic fabrics, for example, Dacron and Dacron-cotton containing fabrics, and at the same time will retain fabric whiteness.
- These improved detergents prevent deposition of soil and dye on the textile by their suspending action, and therefore will provide greatly improved whiteness retention during laundering.
- the laundry detergents of the present invention also possess effective emulsifying, wetting and dispersing properties, excellent stability, and outstanding cleaning power for rem ving oil, grease, carbon black and other types of dirt from textiles.
- detergent compositions containing styrenenited States Patent 0 "ice maleic anhydride resins in combination with hydroxylcontaining nonionic surfactants afford the improvements and advantages discussed above.
- the styrene-maleic anhydride resins have several functions Because of their surface-active properties, these resins can act as stabilizers for liquid detergents, preventing their breakdown into a two-phase system. They also may act as part of the organic active component aiding in the wetting of the fabric and soil, and further as dispersing agents by dispersing the dirt out of the fabric into the washing medium.
- the styrene-maleic anyhdride resins can function as suspending agents by suspending dirt and dye in the washing medium, thus preventing redeposition of the dirt or dye on the fabric.
- the styrene-maleic anhydride resin component of these detergents may be utilized either as such or as a partial ester there f or, more advantageously, as a partial ester with a hydroxylcontaining nonionic surfactant, such as, for example, the reaction products of alkyl phenols with alkylene oxides.
- the styrene-maleic anhydride resins used in the detergent composition of the present invention are the ammonium salts of these resins, including their partial ester derivatives, having about 1 to 4 moles, preferably about 1 to 3 moles of styrene per mole of maleic anhydride. If desired, maleic acid can be used instead of maleic anhydride in formation of the resins with styrene.
- These resinous polymers contain repeating styrene-maleic anhydride units and preferably have an average molecular weight of at least about 500 to about 50,000. The preferred average molecular weight of the resins is about 700 to 3000. The melting points of these lower molecular Weight polymers will often range from about 100 to 200 C.
- the polymers of styrene and maleic anhydride can be prepared by known methods. A preferred method is by solution polymerization where the monomers are polymerized in a suitable solvent employing as a polymerization catalyst a free-radical peroxide catalyst, preferably benzoyl peroxide or dicumyl peroxide, at a temperature of about to 300 C. or more.
- suitable solvents include the aromatic hydrocarbon solvents, such as cumene, p-cymene, xylene, toluene, etc.
- the aromatic solvents may serve as chain-terminating solvents and give lower molecular weight products.
- Other suitable solvents are the ketones, such as methylethyl ketone, which may also be chain-terminating solvents.
- the preferred manner of carrying out the polymerization is by what is known in the art as incremental feed addition. By this method the monomers and catalyst are first dissolved in a portion of the solvent in which the polymerization is to be conducted and the resulting solution fed in increments into a reactor containing solvent heated to reaction temperature, usually the reflux temperature of the mixture.
- an aromatic solvent is employed as the solvent for the polymerization, the formation of the polymers causes a heterogeneous system, the polymer layer being the heavier layer and recoverable by merely decanting the upper aromatic solvent layer and drying.
- the formed polymer when a ketone is the solvent, the formed polymer is usually soluble in the solvent media so that recovery of the products neces sitates a solvent-stripping operation.
- the styrene-maleic anhydride resins can be used in minor amounts, e.g., of about 01-20 percent by weight of the total solids of the detergent composition, preferably about 1-10 percent.
- total solids of the detergent composition is meant the components other than water and hydrocarbon solvent, if any be present.
- the hydroxyl-containing nonionic surfactants or organic active components of the present invention are the condensation products of an alkylene oxide of say 2 to 6 carbon atoms such as, for example, ethylene oxide, propylene oxide, butylene oxide, hexylene oxide, etc., preferably ethylene oxide, with an organic compound containing at least 6 carbon atoms and often up to about 30 carbon atoms or more, and a reactive hydrogen atom.
- alkylene oxide say 2 to 6 carbon atoms
- organic compound containing at least 6 carbon atoms and often up to about 30 carbon atoms or more and a reactive hydrogen atom.
- Such compounds containing reactive hydrogen atoms include aromatic, monoand poly-hydroxy compounds such as phenols, naphthols, benzene and naphthalene diols, triols, tetrols, and the like.
- alkyl phenols containing from 1 to 3 alkyl substituents of from 4 to 20 carbon atoms each are preferred.
- Some examples of such compounds are the normal and isomeric mono-, diand tri-butyl, nonly, and octadecyl-phenols and cresols; and phenols and cresols which may be substituted with a plurality of different such alkyl groups.
- Another preferred group of compounds containing reactive hydrogen groups include aliphatic monoand poly-hydroxy compounds such as fatty alcohols. Such compounds often have up to about 25 carbon atoms, e.g.
- trimethylene glycol trimethylene glycol, glycerol, allyl alcohol, sec-butyl alcohol, butanediol 1,3, isopropylvinyl carbinol, octanediol 1,2, lauryl alcohol, pentadecanol, cetyl alcohol, octadecanol, docosanol, pentaeicosanol, etc.
- the amount of alkylene oxide condensed with the reactive hydrogen-containing compounds may depend upon the particular compound with which it is condensed and also the particular styrene-maleic anhydride resin used. Generally, an amount of alkylene oxide should be employed which will result in a condensation product containing from about 20 to 85 percent by Weight of combined alkylene oxide. However, the effective amount of alkylene oxide for obtaining the desired balance, may be readily determined in any particular case by preliminary tests and routine experimentation. For example, the number of ethylene oxide units may often be from about 4 to 15 depending upon the particular styrene-maleic anhydride resin used.
- the nonionic surfactants can be present in the detergent composition in amounts, e.g. of about to 50% by weight, advantageously about 20 to 50%, based on the solids of this composition.
- nonionic surfactants and the styrene-maleic anhydride resins When the nonionic surfactants and the styrene-maleic anhydride resins are combined in the detergent composition, they may be present as a physical mixture or as a partial ester of the nonionic hydroxyl-containing surfactant with styrene-maleic anhydride resin.
- the partial esters can be readily prepared by bulk reaction of molten styrene-maleic anhydride resins with the hydroxyl-containing surfactants or may be prepared by reaction in solution. Physical mixtures are prepared by solution of the nonionic surfactants and styrene-maleic anhydride resins in dilute aqueous alkali. Such mixtures may have present some partial esters of the surfactant and resin.
- styrene-maleic anhydride resins will combine with the nonionic surfactants mentioned above to achieve the combination necessary to produce the improved detergents of the present invention, it has been found that a detergent with particular effectiveness can be obtained by balancing the hydrophobic-hydrophylic characteristics of the styrene-maleic anhydride resin and the nonionic surfactants with the wash temperatures.
- the styrene-maleic anhydride resins afford maximum effective properties to the detergent composition when combined with nonionic surfactants containing about 4 to 12 ethylene oxide units, often about 9 to 12 ethylene oxide units when using a wash temperature of about 120-170" F.
- the desired wash temperature is about 170-190" F.
- maximum properties are obtained when the styrene-maleic anhydride resins are combined with nonionic surfactants containing about 12-15 ethylene oxide units.
- a typical heavy duty detergent composition incorporating the styrene-maleic anhydride resins and the nonionic surfactants of the present invention is shown in Table I.
- the detergent compositions of the present invention may also include other conventional detergent constituents such as, for example, alkaline builders and may, if desired, include fabric whiteners, other soil suspending agents, etc.
- Alkaline builders function as Water softeners and also aid in the removal and suspension of dirt and often represent about 40 to percent of the detergent compositions based on total solids, preferably about 50 to 70%.
- Typical alkaline builders which can be used in heavy duty detergent com positions include alkali metal carbonates, borates, phosphates, bicarbonates, silicates, sulfates, ammonia, organic amides, and the like.
- the soil suspending agents which can be used in detergent compositions are generally water-soluble polymeric materials such as cellulose glycollic acid, cellulose ethane sulfonic acid, hydroxy-ethyl methyl cellulose. starch, hydroxyethy starch, starch glycollic acid, polyalkylene glycols, etc.
- the soil suspending aids when used in the detergent composition of the present invention may be present in amounts up to about 1% or more by weight of the total solids.
- the fabric whiteners which may be used are dependent primarily on the particular fabric to be cleaned, and any type normally utilized in such detergents for whitening and brightening effects may be employed.
- such agents there may be mentioned stilbenes, diamino stilbenes, acylated, cyanuric and triazolyl derivatives of such stilbenes, diphenyl derivatives, dibenzothiophene derivatives, aminocoumarone salts, derivatives of diazotized amino-containing benzoxazole, benzthiazole and benzimidazole compounds, and the like.
- the fabric whiteners when used in the aqueous detergent composition of the present invention may be present in amounts of 0.05 to about 0.25% by weight. It may also be desired to include a hydrocarbon solvent in the detergent composition of the present invention. In such a case the solvent may be present for example in amounts of 0.5 to about 2% of the aqueous composition.
- the total amount of detergent of the present invention which can be used in a wash solution can vary depending for example upon the textiles to be washed, the amount of soil contained in the textiles, laundering temperature, etc. However, a total detergent amount of 0.05 to about 2% by weight has been found to be effective for washing solutions.
- Example II The detergent compositions of Example I were treated with Tintex 25 Navy Blue dye so that the dye was present in an amount of 0.025% in the washing media. White Dacron-cotton fabrics containing Dacron and 35% cotton were washed for 15 minutes in these dilute dye solutions and the deposition of dye on the fabric measured. The fabrics were not rinsed. These experiments gave more controllable dye concentrations than does the actual fading of colored fabrics. Results of these tests are given in Table III.
- Resin 13-1 :1 styrene to maleic anhydride mole ratio, mol. wt. l600.
- experiments 1 to 4 show the ammonium salt of the styrene-maleic anyhdride resins to be superior to the sodium salt of these resins as a dye suspending agent.
- Experiments 5 to 8 also show the ammonium salt of these resins to be superior to the so dium form as a soil suspending agent.
- Styrene-maleic anhydride (2:1 polymer, mol. wt.-1700).
- a laundry detergent composition consisting essentially of about 40 to 90 weight percent of alkaline builder, about 0.1 to 20 weight percent of the ammonium salt of resinous polymer consisting essentially of styrene and maleic anhydride having a mole ratio of about 1 to 4 moles of styrene per mole of maleic anhydride and a molecular weight of about 500 to 50,000, and about 10 to 50 weight percent non-ionic, hydroxyl-containing surfactant condensation product of alkylene oxide of about 2 to 6 carbon atoms and hydroxyl-containing organic compound containing about 6 to 30 carbon atoms, said amounts being based on total solids, said condensation product having about to 85 weight percent of said alkylene oxide.
- composition of claim 10 wherein said styrenemaleic anhydride polymer and said condensation product are present in the detergent composition as a physical mixture.
- composition of claim 10 wherein the styrenemaleic anhydride polymer is present in the detergent composition as a partial ester of said polymer with said nonionic, hydroxyl-containing surfactant.
- composition of claim 10 wherein said alkylene oxide is ethylene oxide and the styrene-maleic anhydride polymer has a molecular weight of about 700 to 3000.
- composition of claim 13 wherein said alkaline builder is present in an amount of about 50 to weight percent, the ammonium salt of the styrene-maleic anhydride polymer is present in an amount of about 1 to 10 weight percent, and the non-ionic hydroxyl-containing surfactant is present in an amount of about 20 to 50 weight percent.
- composition of claim 10 wherein the non-ionic hydroxyl-containing surfactant has about 4 to 15 ethylene oxide units.
- a laundry detergent composition consisting essentially of about 40 to weight percent of alkaline builder. about 0.1 to 20 weight percent of the ammonium salt of a resinous polymer consisting essentially of styrene and maleic anhydride having a mole ratio of about 1 to 3 moles of styrene per mole of maleic anhydride and a molecular weight of about 700 to 3000, and about 10 to 50% of nonionic, hydroxyl-containing surfactant consisting essentially of the condensation product of ethylene oxide and a compound selected from the group consisting of alkyl phenols of from about 1 to 3 alkyl substituents of from about 4 to 20 carbon atoms each, and fatty alcohols of up to about 25 carbon atoms, said condensation product having about 9 to 15 ethylene oxide units, said amounts be ing based on total solids of the composition.
- composition of claim 5 wherein the alkaline builder is present in an amount of about 50 to 70 weight percent, the ammonium salt of the styrene-maleic anhydride polymer is present in an amount of about 1 to 10 weight percent, and the non-ionic, hydroxyl-containing surfactant is present in an amount of about 20 to 50 weight percent.
- composition of claim 7 wherein the condensation product is of ethylene oxide and nonyl phenol.
Description
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US55241266A | 1966-05-24 | 1966-05-24 |
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US3485762A true US3485762A (en) | 1969-12-23 |
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US552412A Expired - Lifetime US3485762A (en) | 1966-05-24 | 1966-05-24 | Laundry detergents containing ammonium salt of styrenemaleic anhydride copolymer and non-ionic,hydroxyl-containing surfactant |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3655568A (en) * | 1969-01-10 | 1972-04-11 | Wahib Nassif Zaki | Enzyme containing detergent composition having improved physical and stability characteristics |
US3676373A (en) * | 1970-07-20 | 1972-07-11 | Gulf Research Development Co | Detergent compositions |
US3779929A (en) * | 1972-02-23 | 1973-12-18 | Minnesota Mining & Mfg | Cleaning composition |
US3846546A (en) * | 1966-12-08 | 1974-11-05 | Oreal | New emulsions, and cosmetic products made from such emulsions |
US4096084A (en) * | 1973-06-04 | 1978-06-20 | Tennant Company | Surface cleaning method and machine |
US4606842A (en) * | 1982-03-05 | 1986-08-19 | Drackett Company | Cleaning composition for glass and similar hard surfaces |
US4678595A (en) * | 1985-08-26 | 1987-07-07 | A. E. Staley Manufacturing Company | Carpet shampoo or upholstery cleaning composition |
US5001004A (en) * | 1987-12-21 | 1991-03-19 | E. I. Du Pont De Nemours And Company | Stain-resistant aromatic/maleic anhydride polymers |
EP0945501A1 (en) * | 1998-03-24 | 1999-09-29 | National Starch and Chemical Investment Holding Corporation | Laundry detergents containing styrene-anhydride copolymers grafted with polyethylene glycol |
US5962400A (en) * | 1998-12-22 | 1999-10-05 | National Starch And Chemical Investment Holding Corporation | Amino acid copolymers having pendent polysaccharide moieties and uses thereof |
US6211299B1 (en) | 1998-03-24 | 2001-04-03 | National Starch And Chemical Investment Holding Corporation | In situ solvent free method for making anhydride based graft copolymers |
WO2004063239A1 (en) * | 2003-01-13 | 2004-07-29 | Basf Aktiengesellschaft | Partially esterified copolymers of monoethylenically unsaturated dicarboxylic acid anhydrides, vinylaromatic compounds and other monoethylenically unsaturated monomers containing heteroatoms |
WO2005093152A1 (en) * | 2004-03-24 | 2005-10-06 | Invista Technologies S.A.R.L. | Stain-resist compositions |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2621169A (en) * | 1948-12-18 | 1952-12-09 | Publicker Ind Inc | Process for preparing ammonium salts of copolymer compositions |
-
1966
- 1966-05-24 US US552412A patent/US3485762A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2621169A (en) * | 1948-12-18 | 1952-12-09 | Publicker Ind Inc | Process for preparing ammonium salts of copolymer compositions |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3846546A (en) * | 1966-12-08 | 1974-11-05 | Oreal | New emulsions, and cosmetic products made from such emulsions |
US3655568A (en) * | 1969-01-10 | 1972-04-11 | Wahib Nassif Zaki | Enzyme containing detergent composition having improved physical and stability characteristics |
US3676373A (en) * | 1970-07-20 | 1972-07-11 | Gulf Research Development Co | Detergent compositions |
US3779929A (en) * | 1972-02-23 | 1973-12-18 | Minnesota Mining & Mfg | Cleaning composition |
US4096084A (en) * | 1973-06-04 | 1978-06-20 | Tennant Company | Surface cleaning method and machine |
US4606842A (en) * | 1982-03-05 | 1986-08-19 | Drackett Company | Cleaning composition for glass and similar hard surfaces |
US4678595A (en) * | 1985-08-26 | 1987-07-07 | A. E. Staley Manufacturing Company | Carpet shampoo or upholstery cleaning composition |
US5001004A (en) * | 1987-12-21 | 1991-03-19 | E. I. Du Pont De Nemours And Company | Stain-resistant aromatic/maleic anhydride polymers |
EP0945501A1 (en) * | 1998-03-24 | 1999-09-29 | National Starch and Chemical Investment Holding Corporation | Laundry detergents containing styrene-anhydride copolymers grafted with polyethylene glycol |
US6211299B1 (en) | 1998-03-24 | 2001-04-03 | National Starch And Chemical Investment Holding Corporation | In situ solvent free method for making anhydride based graft copolymers |
US5962400A (en) * | 1998-12-22 | 1999-10-05 | National Starch And Chemical Investment Holding Corporation | Amino acid copolymers having pendent polysaccharide moieties and uses thereof |
US6160110A (en) * | 1998-12-22 | 2000-12-12 | National Starch And Chemical Investment Holding Corporation | Amino acid copolymers having pendent polysaccharide moieties and uses thereof |
WO2004063239A1 (en) * | 2003-01-13 | 2004-07-29 | Basf Aktiengesellschaft | Partially esterified copolymers of monoethylenically unsaturated dicarboxylic acid anhydrides, vinylaromatic compounds and other monoethylenically unsaturated monomers containing heteroatoms |
US20060074002A1 (en) * | 2003-01-13 | 2006-04-06 | Basf Aktiengesellschaft | Partially esterified copolymers of monoethylenically unsaturated dicarboxylic anthydrides, vinylaromatic compounds and other monoethylenically unsaturated monomers containing heteroatoms |
WO2005093152A1 (en) * | 2004-03-24 | 2005-10-06 | Invista Technologies S.A.R.L. | Stain-resist compositions |
US20070101510A1 (en) * | 2004-03-24 | 2007-05-10 | Invista North America S.Ar.L. | Stain-resist compositions |
US7879112B2 (en) | 2004-03-24 | 2011-02-01 | Invista North America S.Ar.L. | Stain-resist compositions |
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Legal Events
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AS | Assignment |
Owner name: PONY INDUSTRIES, INC., A CORP. OF DE. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ATLANTIC RICHFIELD COMPANY, A DE. CORP.;REEL/FRAME:004659/0926 Effective date: 19861219 Owner name: MANUFACTURES HANOVER TRUST COMPANY, A NEW YORK CO Free format text: SECURITY INTEREST;ASSIGNOR:PONY INDUSTRIES, INC.;REEL/FRAME:004796/0001 Effective date: 19861206 Owner name: CHASE MANHATTAN BANK, N.A., THE, A NATIONAL BANKIN Free format text: SECURITY INTEREST;ASSIGNOR:PONY INDUSTRIES, INC.;REEL/FRAME:004796/0001 Effective date: 19861206 Owner name: CIT GROUP/BUSINESS CREDIT, INC., THE, A NEW YORK C Free format text: SECURITY INTEREST;ASSIGNOR:PONY INDUSTRIES, INC.;REEL/FRAME:004796/0001 Effective date: 19861206 |
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Owner name: PONY INDUSTRIES, INC., A CORP. OF DE Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:MANUFACTURERS HANOVER TRUST COMPANY;REEL/FRAME:005110/0013 Effective date: 19890310 |