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
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
• • 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
  • C11D1/75—Amino oxides
• • 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
  • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions

Definitions

• the present invention relates to good enzymatic stability and high performance detergent compositions for washing fabrics and surfaces comprising a combination of surfactants and at least one enzyme.
• the surfactant compounds are amphiphilic substances, that is, they have in their molecular structure groups with antagonistic characteristics.
• a hydrophilic group that has affinity for water (and other polar compounds), called a hydrophilic group.
• hydrophobic group which by its nonpolar nature, has no affinity for water, but rather for oily substances (or, generally, supporting substances), often called lipophilic grouping.
• surfactants are substances that modify surface and interfacial tensions, resulting in a number of related properties and applications.
• Alkyl sulphates, together with alkyl ether sulphates are the most widely used products as foam surfactants in hair cosmetics, liquid soaps, oral hygiene products, among other applications.
• alkyl sulfates the most important are lauryl sulfates that have wide application in the cosmetic industry.
• the main characteristics of alkyl sulfates are their high foaming power, high viscosity reserve, good water solubility, pleasant odor and complete biodegradability.
• Lauryl ether sulfates by their differentiated properties, are More hydrophilic than their non-ethoxylated counterparts, they have low eye and skin irritability, low cloudiness, easy viscosity control from electrolyte addition, and greater resistance to water hardness.
• anionic surfactants are alkyl sulfosuccinates, of excellent wetting power.
• the prior art discloses some compositions used for cleaning produced from surfactant combinations.
• US 7,608,573 refers to the use of nonionic and anionic surfactants and others (solvent and short synthetic chain).
• the cleaning composition can be used for washing clothes and surfaces.
• This reference claims a heavy natural cleansing composition consisting of sodium lauryl sulfate, amine oxic Cn, Ci2-amine oxic i 4 at pH 7 to 13. Furthermore, it is mentioned the optional use of some materials such as dyes, bleaches, thickeners and enzymes.
• This patent claims the use of a sulfo-solid surfactant with at least one additional surfactant. It is mentioned that the secondary surfactant could be selected from a group of surfactants, including lauryl ether sulfonate. A group of surfactants to stabilize foams is further suggested, in which the use of lauryl cocoamidopropyl betama and lauryl dimethyl amine oxide is mentioned.
• US 2010/0234271 refers to the use of nonionic and anionic surfactants and others (solvent and short synthetic chain).
• the cleaning composition can be used for cleaning clothes, soft and hard surfaces and cleaners.
• the composition consists of sodium lauryl sulfate and a hydrophobic synthetic surfactant selected from amine oxide.
• Optional ingredients such as enzymes, dyes, builders and fragrances are also described.
• composition does not contain some molecules, including alkyl ether sulfates, linear alkylbenzene sulfonate (LAS), linear alkylbenzene sulfonate acid (HLAS) or nonylphenol ethoxylate.
• alkyl ether sulfates linear alkylbenzene sulfonate (LAS), linear alkylbenzene sulfonate acid (HLAS) or nonylphenol ethoxylate.
• WO 2003/041667 describes a composition comprising a stabilized enzyme with at least 30% water.
• this reference aims to seek benefits in skin care (skin smoothness, skin softness, etc.). It is mentioned that the composition provides an enzyme-containing personal care product wherein the enzyme has high stability and activity.
• the composition comprises a surfactant from the anionic, nonionic, zwitterionic amphoteric and cationic surfactant group.
• the types of surfactants are restricted to alkyl ether sulfates, alkyl amidopropyl betaines, alkyl betaines and the like, including mixtures thereof.
• the document further discloses an enzyme-containing personal care product wherein said enzyme is stable in storage and active in the skin.
• the invention proposes a detergent composition comprising a combination of surfactants for use in washing fabrics and surfaces.
• the combination of surfactants comprises at least one anionic surfactant, an amphoteric surfactant and a nonionic surfactant and at least one enzyme. This combination ensures good enzymatic stability and better performance, allowing the use of a lower active content than commonly used on the market.
• Figure 1 shows a graph resulting from the enzymatic stability test at 30 ° C for the surfactant combinations 1, 2 and 3 defined below.
• Figure 2 shows a graph resulting from the enzymatic stability test at 37 ° C for surfactant combinations 1, 2 and 3.
• Figure 3 is a graph resulting from the oil and fat stain performance test of compositions containing surfactant combinations 1 and 2 prepared according to the present invention, and compositions 5 and 6 compatible with the state of the art.
• Figure 4 shows a graph resulting from the protein performance test of surfactant combinations 1 and 2 prepared in accordance with the present invention, and prior art compositions 5 and 6.
• Figure 5 shows a graph resulting from the starch performance test of surfactant combinations 1 and 2 prepared in accordance with the present invention, and prior art compositions 5 and 6.
• Figure 6 shows a graph resulting from the complex spot performance test of surfactant combinations 1 and 2 prepared in accordance with the present invention, and prior art compositions 5 and 6.
• Figure 7 shows a graph resulting from the particulate spot performance test of surfactant combinations 1 and 2 prepared in accordance with the present invention, and prior art compositions 5 and 6.
• Figure 8 is a graph resulting from the pectin stain performance test of surfactant combinations 1 and 2 prepared according to the present invention and prior art compositions 5 and 6.
• the present invention relates to a detergent composition
• a detergent composition comprising a combination of surfactants and at least one tissue and surface washing enzyme.
• the detergent composition of the present invention comprises a combination of surfactants comprising at least one anionic, amphoteric and nonionic surfactant selected from at least one enzyme.
• the anionic surfactant is at least one of sodium lauryl ether sulfate (SLES) and linear alkylbenzene sulfonate (LAS) and the amphoteric surfactant is at least one of amine oxide (AO) and cocamidopropyl betaine (CAPB).
• SLES sodium lauryl ether sulfate
• LAS linear alkylbenzene sulfonate
• amphoteric surfactant is at least one of amine oxide (AO) and cocamidopropyl betaine (CAPB).
• nonionic surfactant used in the detergent composition prepared according to the present invention has a degree of ethoxylation ranging from 3EO to 10EO.
• the at least one enzyme is selected from the group comprising protease, amylase, mannanase, lipase, pectin lyase and cellulase.
• the protease enzyme is Savinase or
• Liquanase and is present in the composition in a ratio ranging from 0.1% to 1%.
• the enzymes further comprise a multi-enzyme mixture consisting of amylase, mannanase, lipase and pectin lyase, wherein this multi-enzyme mixture is present in the composition in a ratio ranging from 0.2% to 0.6%.
• the total content of the surfactant combination present in the detergent composition of the present invention ranges from 6% to 20% by weight, significantly lower than the contents of the commonly marketed compositions.
• the detergent composition produced according to the present invention has a pH range ranging from 7 to 10.
• Surfactant 1 SLES;
• Surfactant 2 CAPB
• Surfactant 3 LAS (30%) / 7EO (70%);
• Surfactant 4 AO (30%) / 10EO (70%);
• Surfactant 5 SLES (30%) / 7EO (70%).
• surfactants were associated with the following enzymes: protease, amylase, mananase, lipase and pectin lyase, each tested individually.
• protease Savinase was used, whereas in combination 5 the protease used was Liquanase.
• the dimethyl casein compound present in the standard solution prepared for the test is hydrolyzed by the proteolytic enzyme into small peptides as shown below:
• TNBS trinitrobenzene sulfonic acid
• the increase in absorption is proportional to the reaction rate and thus to the activity of the enzyme.
• Standard curve is a 7 point curve with a factor 4 between the lowest and highest standard points.
• the recommended total dilution volume is 1200 ⁇ L.
• Standard solutions are prepared by diluting the loading solution with 0.05 M borate buffer and pH 9.0 in a diluter directly into sample cups according to the table. below, down, beneath, underneath, downwards, downhill:
• the enzyme activity of the samples is determined with respect to a standard curve. Based on the abs / min results for standard enzymes, a standard with the activities of standard solutions in mKNPU (S) SX / mL is plotted on the x-axis of the graph, while the abs / min values of standard solutions are plotted on the y axis. To plot the graph, a logit / log4 algorithm is used.
• V Volume of the volumetric flask used in mL
• the method for activity analysis of the enzymes amylase, mannanase, lipase and pectin lyase is also performed by the Konelab 30 Analyzer at 0, 4 and 8 weeks and the results are provided in SNUX.
• 1,4-alpha-D-glucanohydrolase in the samples and the alpha-glucosidase enzyme in the reagents hydrolyze the substrate (4,6-ethylidene (G) -p-nitrophenyl (Gi) -alpha-D -maltoeptaoside (ethylidene-G PNP)) to yellowish glucose and p-nitrophenol.
• Konelab 30 By expressing the reaction rate, it is possible to verify the enzymatic activity.
• Specimens to be tested should be diluted at least
• the samples are further diluted with 1% stabilizer (3 M calcium chloride with 0.25% Brij loading solution) in the diluter. Dilution in the diluter is done directly in the sample vial;
• the analysis of the samples comprises the following steps:
• the activity of enzyme samples is determined with respect to a standard curve.
• a graph of the known concentration of the x-axis pattern versus the response of the Konelab 30 y-axis analyzer equipment is established by the Analytical Administration program using a logit / log4 algorithm.
• Results are calculated automatically in the program.
• V Volume of the volumetric flask in mL
• Figure 2 shows results for the enzymatic stability test at 37 ° C, evidencing good stability of the surfactant combinations of the present invention, even under severe temperature and time conditions.
• the surfactants known in the art and used in the comparative test are:
• the test was performed to compare the performance of surfactants with respect to cleaning stains that are most common to consumers. Stains were grouped to balance the stain load, avoiding excessive concentration of dirt in the same group. The list of spots used in the test is shown below:
• Figure 3 shows the performance result in the oil and fat group through the boxplot graph. It is noted that the performance of surfactant combinations 1 and 2 is clearly superior to surfactants 5 and 6 known in the art.
• the surfactant combinations prepared according to the present invention far outperform the surfactants known in the art with respect to various types of stains and dirt present on the fabric and surface.

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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)

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Cited By (2)

Citations (2)

• 2015
  • 2015-08-14 BR BR102015019623A patent/BR102015019623A2/pt not_active Application Discontinuation
• 2016
  • 2016-08-12 MX MX2018001840A patent/MX2018001840A/es unknown
  • 2016-08-12 WO PCT/BR2016/050190 patent/WO2017027944A1/pt active Application Filing
  • 2016-08-12 BR BR112018002897-5A patent/BR112018002897B1/pt active IP Right Grant
  • 2016-08-12 PE PE2018000238A patent/PE20181190A1/es unknown
  • 2016-08-16 AR ARP160102502A patent/AR105710A1/es active IP Right Grant
• 2018
  • 2018-02-08 CO CONC2018/0001287A patent/CO2018001287A2/es unknown
  • 2018-02-12 CL CL2018000388A patent/CL2018000388A1/es unknown

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