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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/825—Mixtures of compounds all of which are non-ionic
  • C11D1/8255—Mixtures of compounds all of which are non-ionic containing a combination of compounds differently alcoxylised or with differently alkylated chains
• • 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
  • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
• • 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
  • C11D1/008—Polymeric surface-active agents
• • 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
  • C11D1/66—Non-ionic compounds
  • C11D1/72—Ethers of polyoxyalkylene glycols
• • 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
  • C11D1/66—Non-ionic compounds
  • C11D1/72—Ethers of polyoxyalkylene glycols
  • C11D1/721—End blocked ethers
• • 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
  • C11D1/66—Non-ionic compounds
  • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups

Definitions

• the present invention relates to an aqueous based solvent free cleaning or degreaser composition
• an aqueous based solvent free cleaning or degreaser composition comprising at least two non-ionic surfactant components which effectively clean oils and greases from a variety of surfaces.
• glycol ether solvents or cycloalkanes in cleaning compositions, in combination with anionic and/or nonionic surfactants, are known in the art. Examples of such systems may be found in Wittel et al., EP 376367; Kao Corporation, JP 3062096; Lyubarskay et al., SU 1300041; Bedo et al., SU T56873; and Dudesek et al., CS 220985.
• Bobsein, et al, US Pat. No. 4,663,082 teach a high pH water based industrial cleaning composition comprising a series of anionic surfactants, builders and alkalinity agents.
• the patentees teach the use of phosphate builders and chelating agents.
• Henkel AG World Organization Patent No. 91/10718 discloses a composition requiring at least one anionic surfactant and at least one monocarboxylic acid.
• European Patent No. 0392394B1 issued to the Nippon Paint Co. of Japan teaches a degreasing composition and a surfactant package comprising a nonionic surfactant of the polyoxyalkylene ether type with a phosphate polyethylene oxide adduct. This mix is combined with a necessary amount of alkali builder of varying types. However, the phosphate moiety is responsible for increasing the generation of foam. Finally, residual phosphorous is an environmental concern. The nominal amount of alkali builder also results in a caustic solution.
• European Patent No. 0084411A1 assigned to Albright & Wilson Limited teaches the use of a wide variety of nonionic surfactants or a phosphate ester with an alkanolamide and solvent
• US 5,536,4308 discloses a cleaning composition containing four nonionic surfactants (fatty alcohol ethoxylates) of different HLB values
• US 5,518,648 discloses a dishwashing composition comprising 2 nonionic surfactants of the alcohol alkoxylate type and a block copolymer of EO/PO
• US 5,382,376, discloses a detergent composition comprising: (a) EO/PO/EO block copolymer, (b) cosurfactants such as EO/PO/EO block copolymers with a hydrophobic moiety, (c) hydrophobic solvents such as alkylbenzenes
• US 5,049,376 discloses a detergent composition comprising surfactants selected from anionic, zwitterionic, cationic and nonionic; non
• US 5,501,816 discloses ternary surfactant blends comprising: alcohol alkoxylate with a fatty alcohol moiety, alkyl phenol alkoxylates and alkyl oxyethylate. US '816 also discloses that the addition of polycarboxylate polymers enhances the efficacy of the degreaser compositions.
• Applicants have surprisingly discovered an at least diblend cleaning and degreasing composition that provides safe and effective cleaning power. Further, the present invention does not require the use of polkycarboxylates to enhance cleaning efficacy.
• aqueous based solvent free cleaning or degreaser composition comprising at least two, preferably two nonionic surfactant components, wherein said nonionic surfactant components are selected from the group consisting of:
• X H, Na or similar alkali or alkaline earth metal
• A H, COOH, COONa or similar alkali or alkaline earth metal salts
• A' is COOH, COONa, or similar alkal
• the cleaning or degreaser composition of the present invention is prepared by blending any two or more of components (1), (2), (3), (4), (5), (6), or (7) according to methods known to those skilled in the art. These components are also known as nonionic surfactants.
• the alcohol alkoxylate with a fatty alcohol moiety has the following Formula: wherein R is a C 8 to C 18 branched or straight chain alkyl group, m is within the range of about 0 to 14, n is within the range of about 0 to 14, o is within the range of about 0 to 14, p is within the range of about 0 to 14, and R' is --CH 3 , --CH 2 CH 3 , and mixtures thereof, R'' is --CH 3 , --CH 2 CH 3 , and mixtures thereof, and R''' is --OH, --CH 3 , --O--C 3 -C 18 hydroxyalkyl group and mixtures thereof.
• R''' can be, for example, --O--C 4 H 9 .
• the oxyethylate level or value of n plus o will range from about 5 to 12, and even more preferably from about 4 to 10.
• the oxypropylate level or value of m plus p will preferably be about 4 to 14.
• butylene oxide may also be incorporated into the alcohol alkoxylate.
• a preferred alcohol alkoxylate with a fatty alcohol moiety has a carbon chain (R) of
• the alcohol alkoxylate with a fatty alcohol moiety will make up about 0.15 to 5.0% by weight of the total degreaser composition. More preferably, this component will comprise about 17 to 3.3% by weight of the total composition, and even desirably will be present in an amount of about 0.5 to 2% by weight of the total formulation.
• the fatty alcohol component has the following Formula: wherein R is a C 8 to C 18 branched or straight chain alkyl group, x is within the range of about 0 to 14; preferably 1 to 10; most preferably 1 to 6; y is within the range of about 3 to 20, preferably 3 to 10, most preferably 3 to 6; z is within the range of about 0 to 20, preferably 3 to 10, most preferably 3 to 5; R' is -CH 3 , -CH 2 CH 3 , and mixtures thereof, R'' is -CH 3 , -CH 2 CH 3 , and mixtures thereof, and R''' is H, -OH, -CH 3 , -O-C 3 -C 18 hydroxyalkyl group and mixtures thereof.
• the preferred fatty alcohol moiety is: PLURAFAC® LF7000 surfactant, which has a C 16-18 carbon chain length (R) with approximately four moles of oxyethylate and approximately nine moles of oxypropylate.
• the most preferred fatty alcohol moiety is PLURAFAC® LF1200 surfactant, which has a C 9-11 carbon chain length (R) with approximately nine moles of oxyethylate and one mole of oxybutylate.
• the fatty alcohol component will comprise about 0.15 to 5% by weight of the total degreaser composition. More preferably, this component will comprise about 0.17 to 3.3% by weight of the total composition, and most preferably in an amount of about 0.5 - 2% by weight of the total formulation.
• the fatty alcohol having oxyethylate moieties has the following Formula: wherein R is a C 10 to C 13 branched or straight chain alkyl group and x is within the range of about 4 to 10.
• the fatty alcohol having oxyethylate moieties will comprise about 0.15 to 5% by weight of the total degreaser composition. More preferably, this component will comprise about 0.17 to 3.3% by weight of the total composition, and most preferably in an amount of about 0.5 - 2% by weight of the total formulation.
• the polyoxyalkylene block copolymer is a nonionic surfactant characterized as a block or heteric/block polyoxyalkylene having a cloud point in a 1 weight percent aqueous solution of most preferably about 15°C to about 25°C having the Formula I: wherein, Y represents the nucleus of an active hydrogen-containing organic compound having a functionality of x and (1) about 2 to about 6 carbon atoms and 2 to 3 reactive hydrogen atoms or (2) about 6 to about 18 carbon atoms and 1 to 3 reactive hydrogen atoms; A represents a lower alkylene oxide selected from the group consisting of propylene oxide, butylene oxide, tetrahydrofuran or mixtures thereof wherein up to 25 percent by weight of A is reacted directly with said organic compound either alone in formulas II and III or in admixture with ethylene oxide in Formula I and 75 percent by weight or more of A is subsequently reached to produce said polymer; o is within the range of about 0 to 26, m is within the range of
• A is preferably oxypropylene or oxybutylene, most preferably, oxypropylene.
• the molecular weight of Formula I is from about 1,000 to 12,000, most preferably from 1,000 to 5,000, and most preferably from about 1,000 to 2,500.
• Y represents the nucleus of an active hydrogen-containing organic compound having a functionality of x and (1) about 2 to about 6 carbon atoms and 2 to 3 reactive hydrogen atoms or (2) about 6 to about 18 carbon atoms and 1 to 3 reactive hydrogen atoms;
• A represents a lower alkylene oxide selected from the group consisting of propylene oxide, butylene oxide, tetrahydrofuran or mixtures thereof wherein up to 25 percent by weight of A is reacted directly with said organic compound either alone in Formulas II and III or in admixture with ethylene oxide in Formula I and 75 percent by weight or more of A is subsequently reached to produce said polymer; o is within the range of about 0 to 26, m is within the range of about 0 to 110, and n is within the range of about 0 to 26.
• A is preferably oxypropylene or oxybutylene, most preferably, oxypropylene.
• the molecular weight of Formula II is from about 1,000 to 12,000, most preferably from 1,000 to 5,000, and most preferably from about 1,000 to 2,500. In the most preferred embodiment of Formula II, A is oxypropylene and the molecular weight is about 2,500.
• Y represents the nucleus of an active hydrogen-containing organic compound having a functionality of x and (1) about 2 to about 6 carbon atoms and 2 to 3 reactive hydrogen atoms or (2) about 6 to about 18 carbon atoms and 1 to 3 reactive hydrogen atoms;
• A represents a lower alkylene oxide selected from the group consisting of propylene oxide, butylene oxide, tetrahydrofuran or mixtures thereof wherein up to 25 percent by weight of A is reacted directly with said organic compound either alone in Formulas II and III or in admixture with ethylene oxide in Formula I and 75 percent by weight or more of A is subsequently reached to produce said polymer; o is within the range of about 0 to 26, m is within the range of about 0 to 110, and n is within the range of about 0 to 26.
• A is preferably oxypropylene or oxybutylene, most preferably, oxypropylene.
• the molecular weight of Formula III is from about 1,000 to 12,000, most preferably from 1,000 to 5,000, and most preferably from about 1,000 to 2,500.
• the alkyl phenol alkoxylate component has the following Formula: wherein R is a C 8 or C 9 branched or straight chain alkyl group, m is within the range of about 3 to 12, and n is within the range of about 0 to 12.
• R is a C 8 or C 9 branched or straight chain alkyl group
• m is within the range of about 3 to 12
• n is within the range of about 0 to 12.
• the oxyethylate range or value of m will range from about 3 to 12 moles, and more preferably desirably from about 8 to 12 moles.
• Other oxyalkylation may be incorporated as desired.
• P represents a phenyl group.
• ICONOLTM OP 10 Preferred alkyl phenol alkoxylates are available from BASF as ICONOLTM OP 10 and ICONOLTM NP4.
• ICONOLTM OP10 is an octyl-phenol ethoxylate having a carbon chain length of 8 and an oxyethylate value of 10 moles. The oxypropylate or n value is zero.
• ICONOLTM NP4 is a nonylphenol ethoxylate with a carbon chain length of 9 and an oxyethylate value of 4.
• the alkyl phenol alkoxylate component will make up about 0.15 to 5.0% by weight of the total cleaner composition. More preferably, this component will comprise about 0.17 to 3.3% of the total composition, and even desirably will be present in an amount of about 0.5 to 2% by weight of the total formulation.
• the relative ratios of the 2 nonionic surfactants may range from about 1:1 to about 1:2 to about 1:2 and fractional combination thereof (e.g. 0.5:1.5). In a preferred embodiment, there will be equal weight concentrations of each nonionic surfactant component.
• the remainder of the cleaning or degreaser composition will comprise water.
• compositions are :
• compositions include, but are not limited to:
• the present invention relates to an aqueous based, solvent free cleaning or degreaser composition, comprising on an weight basis:
• the binary combination of the above combination of nonionic surfactants or any combination of the nonionic sufactants (1) to (7) may optionally contain at least one polycarboxylate based polymer or copolymer further enhances the efficacy of the degreaser composition.
• Polyacrylic acid having the above Formula is useful as the polycarboxylate additive.
• An excellent copolymer having the above Formula is acrylic acid/maleic acid copolymer.
• Those skilled in the art may also find that certain mixtures of polymers and copolymers according to the Formula heretofore set forth may also may utility as part of the cleaning or degreaser composition, and therefore these are also within the scope of the invention.
• An especially preferred monomer ratio for the polycarboxylate copolymer is about 1:1.
• a monomeric ratio within the range of about 3:1 to 1:3 is also preferred.
• a preferred molecular weight range is about 1,000 to 25,000, and even more preferably from about 8,000 to 12,000.
• Especially useful copolymers as part of the cleaning or degreaser composition include the following structures.
• polyacrylic acid with a molecular weight of about 8,000, where X Na is also effective as part of the invention. This polyacrylic acid may be obtained from BASF Corp. under the tradename of SOKALANTM PA 30 CL.
• the polycarboxylate polymer or copolymer as part of the invention is added to the cleaning or degreaser composition in amounts of about 0.005 to 1% by weight based upon the total weight of the composition.
• the polymer or copolymer will comprise from about 0.01 to 0.5% of the total formulation.
• the cleaning or degreaser composition according to the various embodiments of the invention is extremely useful in industrial, institutional, and household cleaning and degreasing of hard surfaces, including but not limited to, glass, ceramic, rigid and flexible hard surfaces and metal, especially automotive parts.
• the cleaning or degreaser composition may be applied by methods including but not limited to dipping, soaking, wiping, sonicating, spraying, and especially pressure spray washing. Further, the cleaning or degreaser composition may be applied at a wide range of temperatures from about 40 to 200°F.
• Household Carpet Cleaning Composition Comprising:

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Citations (5)

• 1998
  • 1998-07-22 EP EP98113620A patent/EP0894849A1/de not_active Withdrawn

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