66 results about "Ethyl lauroyl arginate" patented technology

The invention relates to a novel veterinary antibacterial agent and in particular relates to a lauroyl arginine ethyl ester ion pair compound derivative which is prepared from lauroyl arginine ethyl ester LAE and an organic acid through reactions. As a livestock aquatic animal antibacterial agent, the derivative is capable of preventing and treating duckling riemerella anatipestifer diseases caused by riemerella anatipestifer, is capable of treating peritonitis diseases caused by escherichia coli and staphylococcus aureus, is capable of preventing and treating fish septicemia caused by aeromonas sobria, and has remarkably improved prevention and treatment effects when being compared with a conventional LAE veterinary antibacterial agent. The derivative can be completely degraded in human bodies and animal bodies and is small in toxic and side effect, environment drug resistance bacteria caused by residual antibacterial agents discharged into the environment can be avoided, and small adverse environment influence can be caused while an effective antibacterial effect is achieved.

The invention discloses a gentle moisturizing cleansing lotion and a preparation method thereof, and relates to the technical field of chemical household chemicals. The cleansing lotion comprises thefollowing ingredients: PEG-6 caprylins/caprins, butanediol, babassu seed oil glyceryl polyether-8 esters, EDTA disodium, arabian jasmine flower water, mycose, an opuntia streptacantha stem extract, cassava starch, olive fruit water, a citrus peel extract, a centella extract, ethyl lauroyl arginate HCl, 1-2-hexanediol, sweet orange oil, PEG-40 hydrogenated castor oil and the balance of water. The invention also discloses a preparation method of the cleansing lotion. The cleansing lotion prepared by the invention is free of chemical preservation additives, and has the advantages of being safe, reliable and free of irritation; the main base materials of the cleaning lotion adopt the PEG-6 caprylins/caprins to be compounded with a polyhydric alcohol humectant, various natural plant active ingredients are added on the basis, and the skin is moisturized and repaired at the same time of cleansing.

The invention discloses a preparation method of ethyl lauroyl arginine hydrochloride, which belongs to the technical field of organic synthesis. The method comprises: reacting L-arginine hydrochloride with lauroyl chloride in a mixed solvent composed of water and organic solvent A, after the reaction is completed, adjusting the pH value to 5-9, centrifuging and drying to obtain lauroyl arginine; React lauroyl arginine with ethanol and thionyl chloride, and evaporate to dryness to obtain the crude product after the reaction is completed; dissolve the crude product in organic solvent B, add alkaline aqueous solution to adjust the pH value to 5-8, stir, stand still, and take The organic layer was cooled to crystallize, centrifuged and dried to obtain the refined product of ethyl lauroyl arginate hydrochloride. The preparation method provided by the invention has the advantages of simple operation, few by-products, easy separation, easy drying and easy crushing, etc., and the main impurities in the product are effectively removed during the preparation process, and high-purity fine particle lauroyl arginine B can be obtained. Ester hydrochloride, suitable for large-scale production, the product is widely used in food and cosmetic industries.

The invention discloses hydrophobic, oleophobic and antibacterial coating for the surface of a textile material. The hydrophobic, oleophobic and antibacterial coating is prepared from the following components according to the mol ratio: the ratio of methyltriethoxysilane to perfluorooctyltriethoxysilane to modified nano silicon dioxide to water is (3 to 4) to (4 to 5) to (3 to 4) to (7 to 9); thehydrophobic, oleophobic and antibacterial coating further contains ethyl lauroyl arginate hydrochloride which accounts for 0.1 to 5 weight percent of the coating. According to the hydrophobic, oleophobic and antibacterial coating, a cloth material is washed through a specific pre-treatment technology and dip-coating of the coating is carried out; curing treatment is carried out by adopting a specific technology to obtain a hydrophobic, oleophobic and antibacterial coating layer. The hydrophobic, oleophobic and antibacterial coating layer provided by the invention has the advantages of good adhesion force, strong self-cleaning capability, strong hydrophobic and oleophobic performance, flame-retarding performance and antibacterial performance, is applicable to various cloth materials and hasan extremely strong self-protection capability; the surface of cloth has hydrophobic and oleophobic characteristics and the pollution-resisting property can be effectively enhanced; the hydrophobic,oleophobic and antibacterial coating has a relatively great application prospect.

The invention discloses a natural antibacterial detergent for lady clothes. The preparation method comprises the following steps that: a natural composition is developed which has strong antibacterialactivity on escherichia coli, candida albicans and staphylococcus aureus, namely tea tree essential oil, lemongrass essential oil and ethyl lauroyl arginate HCL; and when the natural antibacterial composition is used for laundry products, the natural antibacterial composition further comprises a surfactant, and the surfactant is cocamidopropyl betaine, lauryl glucoside and disodium cocoyl glutamate. The natural antibacterial detergent for lady clothes is developed on the basis, has super-strong capabilities of removing protein stains, removing blood stains and removing underwear secretion residues, has a high antibacterial rate on escherichia coli, staphylococcus aureus and candida albicans, and has an antibacterial rate of more than or equal to 99.9 percent after acting for 2 minutes; and moreover, the product is clear and transparent in appearance, high in natural component proportion, weakly acidic, mild and non-irritant.

The invention discloses a preparation method of ethyl lauroyl arginate hydrochloride, and belongs to the technical field of the preparation of food additives. The preparation method comprises the following steps that according to the charging molar ratio, which is not less than (2 to 1), of ethyl arginate dihydrochloride to lauryl chloride, dropwise adding the lauryl chloride into an ethyl arginate solution, and carrying out a reaction; after the reaction is finished, adding ethyl acetate, extracting, and separating an oil phase and a water phase; washing the oil phase through a saturated sodium chloride aqueous solution, and evaporating a solvent, so that the ethyl lauroyl arginate hydrochloride is obtained; replenishing the ethyl arginate dihydrochloride with an amount equivalent to the consumption in the former reaction into the water phase, dropwise adding the lauryl chloride with an equal molar weight, continuously reacting, and completing post treatment, wherein the step can be subsequently repeated to carry out multiple times of reaction. Through using the excessive ethyl arginate dihydrochloride in the initial step and then repeatedly utilizing the water phase containing the ethyl arginate dihydrochloride, a raw material is maintained to be excessive in each reaction and not only can the conversion ratio of the lauryl chloride be improved but also a high-purity product can be obtained.

The invention discloses waterproof mildewproof starch glue and a preparation method thereof. the waterproof mildewproof starch glue is mainly prepared from starch, urea formaldehyde resin, borax, propylene glycol alginate, aluminum hydroxyl distearate, sodium hypochloride, diisopropyl phthalate, potassium persulfate, 5-chloro-2-methyl-4-isothiazoline-3-ketone, hydroxyethylmethylcellulose, kaolin, acrylic nuclear glycan, lithium-based bentonite, sodium hydroxide, methyl acrylate, sodium methyl cocoyl taurate and hexamethylene diisocyanate. Through mutual cooperation of the urea formaldehyde resin, ethyl hydrogen-containing silicon oil, aluminum hydroxyl distearate and resorcinol, waterproofness of the starch glue is improved; ethyl lauroyl arginate hydrochloride and 5-chloro-2-methyl-4-isothiazoline-3-ketone have mildewproof and antibacterial effect, thereby being conducive to improving mildewproof and antibacterial performance of the starch glue; ingredients like propylene glycol alginate and acrylic nuclear glycan are conducive to improving stability of the starch glue and prolonging service life of the same.

The invention discloses a compound preservative for cosmetics and a preparation method. The compound preservative is prepared from the following components in percentage by weight: 1 to 20 percent of ethyl lauroyl arginate hydrochloride and the balance of polyols. The preparation method comprises the following steps: weighing corresponding mass of ethyl lauroyl arginate hydrochloride and polyols according to weight percent and uniformly mixing to obtain the compound preservative. The compound preservative disclosed by the invention can inhibit most bacteria, fungi and saccharomycetes in the cosmetics, has a moisturizing function and good affinity to the skin, and is suitable for a cosmetic system having relatively high requirement on formula mildness.

The present invention relates to a process for preparing hydrochloride salt of N-fatty acyl substituted amino acid ethyl ester. Said process includes the steps of: dissolving L-arginine ethyl ester dihydrochloride in distilled water with continuous agitation for a period of about 10 to about 20 minutes to obtain a clear solution; lowering the temperature of the clear solution to about 5° C. to about 10° C. to obtain a cooled solution; adjusting the pH of the cooled solution in the range of about 7 to about 8 by adding sodium hydroxide solution; adding at least one organic solvent to the clear solution with continuous agitation to obtain an intermediate mixture; condensing the intermediate mixture by simultaneously adding an acid halide and 20% sodium hydroxide solution at a temperature of about 7° C. to about 9° C. and at a pH in the range of about 7.2 to about 7.5 for about 2 hours to obtain a mixture; raising the temperature of the mixture to about 18 to about 20° C. followed by addition of sodium hydroxide to adjust the pH of the mixture to about 7.3; warming the mixture at a temperature of about 25 to about 30° C. to obtain a resultant mixture containing organic phase and aqueous phase; separating the organic phase and aqueous phase of the resultant mixture by settling the mixture; and distilling the organic phase under vacuum at a temperature of about 70° C. to about 75° C. to obtain a hydrochloride salt of ethyl lauroyl arginate.

The invention discloses soothing, moisturizing and anti-aging aloe gel and a preparation method thereof, and relates to the technical fields of chemical and daily chemical products. The soothing, moisturizing and anti-aging aloe gel comprises the following raw materials in parts by weight: 57 to 90.89 parts of water, 1 to 5 parts of butanediol, 1 to 3 parts of jojoba lipids, 0.1 to 1 part of algaeextract, 0.1 to 1 part of carbomer, 0.1 to 1 part of sodium hyaluronate, 5 to 10 parts of aloe barbadensis leaf juice, 1 to 5 parts of tremella fuciformis extract, 1 to 5 parts of dimethyl silicone polymer, 1 to 3 parts of glycosphingolip-ids, 0.5 to 5 parts of lavender water, 0.1 to 1 part of oliopeptide-1, 0.1 to 1 part of arginine, 0.01 to 1 part of ethyl lauroyl arginate HCL, and 0.1 to 1 part of 1,2 hexanediol. The invention further discloses a preparation method of the soothing, moisturizing and anti-aging aloe gel. The soothing, moisturizing and anti-aging aloe gel has the advantages that the aloe barbadensis leaf juice is added, and various plant extracts are adopted for compounding; the moisturizing and repairing effect is obvious, and the aloe gel is safe and non-stimulating.

The invention discloses an antibacterial whitening mouthwash and a preparation method thereof. The antibacterial whitening mouthwash comprises an antibacterial component and a mouthwash matrix component, wherein the antibacterial component comprises 0.05 to 0.5 part of lysozyme, 0.01 to 0.5 part of lauryl arginine ethyl ester hydrochloride, 0.01 to 1 part of dextran anhydrase and 1 to 10 parts ofabelmoschus manihot extract. A substrate component of the mouthwash comprises one or more of an emulsifier, a moisturize, a flavoring, an acid-base conditioner and an essence, and the balance is deionized water. Lysozyme and lauryl arginine ethyl ester hydrochloride are dissolved in a citric acid solution and uniformly stirred; the prepared ingredients are mixed with the emulsifier, moisturizer, flavoring and essence evenly, pH is adjusted, and abelmoschus manihot extract and dextran enzyme are added. The invention makes the synergistic effect between the natural antibacterial agent and the chemical antibacterial agent exist, and the mouthwash produced by the invention has high safety and good antibacterial activity, and can effectively prevent and control the occurrence of dental plaque and oral inflammation.

The invention belongs to the field of coating chemical industry, and concretely discloses a hydrophobic and oleophobic antibacterial coating. The coating is prepared by mixing 95-99 wt% of acrylatedepoxidized soybean oil, 0.05-2 wt% of ethyl lauroyl arginate hydrochloride and 1-3 wt% of an initiator. The coating has an ultraviolet curing characteristics; a coating layer formed by the coating hasan excellent antibacterial property on the basis of maintaining the original hardness and stability, and the surface of the coating layer has super-hydrophobic and oleophobic properties, so the anti-pollution performance is greatly enhanced; and the coating is suitable for daily maintenance of various pipelines, and is especially suitable for bacteriostatic and clean maintenance of the inner walls of the pipelines immersed in a water environment for a long term.

The invention relates to a protein peptide bathing and cleansing gel and a preparation method thereof. The protein peptide bathing and cleansing gel is prepared from 8-12 parts of vegetable fatty acylhydrolyzed vegetable protein salt, 1.2-2.5 parts of lauryl lactate, 1-10 parts of vegetable fatty acyl sarcosinate, 0.5-1 part of ethyl lauroyl arginate hydrochloride, 0.5-1 part of polyglycerol ester, 0.00008-0.0001 part of N-succinyl chitosan, 1-5 parts of polyhydric alcohols and 67.5-87.6 parts of water. During preparation, firstly, transparent materials are prepared in groups, then the transparent materials are blended, and ageing is carried out to obtain the bathing and cleansing gel. The natural hydrolyzed vegetable protein peptide bathing and cleansing gel has the advantages that the bathing feeling is smooth, comfortable and cool, the washing effect is strong, the denseness is ideal, sterilization and disinfection are achieved, the skin is moisturized and nourished, foam is fine,smooth and rich, washing is convenient, and the gel is safe and nontoxic.

The invention discloses compound preservative coating liquid for aquatic products, and a preparation method and an application method thereof. The compound preservative coating liquid for aquatic products is composed of the following ingredients in percentage by mass: 0.5-2% of chitosan, 0.5-2% of ethyl lauroyl arginate HCL, 0.5-2% of essential oil, 0.5-1% of oil, and the balance of distilled water. The preparation method of the compound preservative coating liquid for aquatic products comprises the following steps of mixing the chitosan with the ethyl lauroyl arginate HCL, adding part of thedistilled water, and performing magnetic stirring or agitation-stirring in normal-temperature water bath for 10-20 minutes; adding the essential oil and the oil, carrying out heating until the temperature reaches 40-50 DEG C, and continuing stirring for 15-25 minutes; and then, carrying out cooling until normal temperature is reached, and adding the remaining distilled water so as to obtain the product, namely the compound preservative coating liquid for aquatic products. The application method of the compound preservative coating liquid for aquatic products comprises the following steps: (1)performing pretreatment on aquatic products, namely washing fresh and alive aquatic products by using clean water, and carrying out sterilization treatment; (b) carrying out immersion with the compound preservative coating liquid, namely immersing the pretreated aquatic products with the compound preservative coating liquid so as to have surfaces of the aquatic products rapidly coated with a layerof preservative film; and (c) carrying out packaging, namely packing the coated aquatic products with sealed bags, and carrying out low-temperature refrigeration at 1-7 DEG C or frozen storage at 0 DEG C or below.

The invention relates to an active peptide capable of adjusting sebum secretion and a cosmetic containing the active peptide. Particularly, the invention discloses peptides respectively represented by SEQ ID NO:1 and SEQ ID NO:2 which are independently used for or combined for adjusting the sebum secretion activity and the cosmetic containing the peptides. The cosmetic contains the following components in percentage by weight: 2.0%-4.0% of retinol, 0.5%-2.5% of a fructus forsythia fruit extract, 0.5%-2.5% of a radix salviae miltiorrhizae extract, 2.0%-4.0% of a rhizoma anemarrhenae extract, 4.0%-6.0% of a white willow bark extract, 2.0%-4.0% of 1,3-propylene glycol, 4.0%-6.0% of a radix sophorae flavescentis extract, 2.0%-4.0% of soybean lecithin, 2.0%-4.0% of glucan, 1.0%-2.0% of nicotinamide and 2.0%-4.0% of ethyl lauroyl arginate. The cosmetic has the efficacies of inhibiting sebum secretion, treating acnes and the like.

The invention discloses eye care spray and a preparation method thereof. The eye care spray is prepared from an ingredient A, an ingredient B and an ingredient C, wherein the ingredient A is preparedfrom 70 to 110 parts of purified water, 0.1 to 10.0 parts of glycidol, 0.001 to 0.1 part of sodium hyaluronate and 0.1 to 10.0 parts of mannitol in parts by weight; the ingredient B is prepared from 0.0001 to 0.1000 part of coffee extracts, 0.0001 to 0.1000 part of oligopeptide-1 and 0.0001 to 0.1000 part of polyglutamic acid in parts by weight; the ingredient C is prepared from 0.01 to 1.00 partof ethyl lauroyl arginate and 0.01 to 1.00 part of 1,2- hexanediol in parts by weight. The eye care spray has the advantages that no chemical anticorrosion additive is used; safety, reliability and noirritation are realized; the main base materials are glycerol compounded sodium hyaluronate ingredients; through the human body tear simulation, the effect of moisturizing the eyes can be achieved; mannitol and coffee extracts are matched, so that the eye problems of shortsightedness, dry and fuzzy eyes and the like can be solved; the corneal epithelium restoration is promoted.

The invention discloses a hyaluronic acid cleanser and a preparation method thereof. The hyaluronic acid cleanser is prepared from the following components in percentage by mass: 0.20 to 2.00 percentof hydroxypropyl starch phosphate, 0.10 to 1.00 percent of sodium hyaluronate, 0.20 to 0.50 percent of biological sugar gum powder, 10.00 to 15.00 percent of sodium cocoyl glycinate, 2.00 to 8.00 percent of sodium methyl lauroyl taurat, 1.00 to 5.00 percent of sodium lauroyl glutamate, 2.00 to 8.00 percent of cocamidopropyl betaine, 1.00 to 5.00 percent of PEG-150 stearate, 0.10 to 1.00 percent ofcitric acid, 1.00 to 5.00 percent of PEG-50 shea butter, 1.00 to 4.00 percent of starfish cladularia extract, 0.10 to 1.00 percent of ethyl lauroyl arginate HCl, 0.10 to 1.00 percent of 1,2-hexanediol, 0.01 to 0.10 percent of sweet orange oil, and the balance of purified water; the cleanser prepared by the preparation method does not contain a preservative, is fresh in smell, is suitable for sensitive skin, is strong in cleaning capacity and is relatively mild, and cannot produce irritation to skin.

The invention provides an antibacterial preservative film, and a preparation method thereof. The antibacterial preservative film comprises ethyl lauroyl arginate (LAE) or an ion pair derivative of ethyl lauroyl arginate. The antibacterial preservative film is nontoxic, is capable of inhibiting bacteria, is stable in performance, and is convenient to process.

An agent for coloring keratinic fibers, particularly human hairs, includes in a cosmetic carrier

• (a) at least one preservative from the group of sorbic acid, 2-hydroxydiphenyl, 4-hydroxybenzoic acid, dehydroacetic acid, dibromohexamidine, 10-undecylenic acid, hexetidine, triclocarban, triclosanum, 4-chloro-3,4-dimethylphenol, imidazolidinyl urea, hexamethylenetetramine, 1-(4-chlorophenoxy)-1-(imidazole-1-yl)-3,3-dimethyl-2-butanone, 1,3-Bis-(hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione, 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone, bromochlorophene, 3-methyl-4-(1-methylethyl)phenol, 5-chloro-2-methyl-3(2H)-isothiazolone, 2-benzyl-4-chlorophenol, 2-chloroacetamide, chlorohexidine, 4,4-dimethyl-1,3-oxazolidine, 1-phenoxy-propane-2-ol, hexamidine, 5-ethyl-1-aza-3,7-dioxabicyclo-[3.3.0]-octane, chlorphenesin, sodium hydroxymethyl amino acetate, benzyl hemiformal, 3-iodo-2-propynyl butylcarbamate, methylisothiazolinone and ethyl lauroyl arginate, and
• (b) at least one oxidation dye precursor and/or at least one direct dye.

A second object of the present invention is a method for manufacturing a colorant of the first object of the invention.

The invention provides a novel drug encapsulation product. The product includes ethyl lauroyl arginate (LAE) and its ion pair derivatives. The invention further provides a method for preparing the drug encapsulation product containing the ethyl lauroyl arginate (LAE) and its ion pair derivatives. The drug encapsulation product has the advantages of being natural, free of toxics, capable of efficiently inhibiting bacteria and easy to degrade by animals and giving play to drug synergistic effects.

The invention provides an anticorrosion agent or anti-mildew agent for wipes, which comprises LAE (N(alpha)-lauroyl arginine ethyl ester) and its ion pair derivative. The invention also provides a method for preparing an anticorrosion agent or anti-mildew agent for wipes and an anticorrosion agent or anti-mildew agent for wipes, prepared via the method. The anticorrosion agent or anti-mildew agentfor wipes has the advantages of good naturalness and zero toxicity, high antibacterial performance, good degradability, and good environmental friendliness.

The invention provides an anticorrosive agent or a mildew-proof agent for leather or a leather care agent and further provides a method for preparing the anticorrosive agent or the mildew-proof agentfor the leather or the leather care agent and the leather mildew-proof agent or the mildew-proof leather care agent prepared according to the method. The agent comprises LAE (lauroyl arginine ethyl ester) and an ion pair derivative thereof. The leather mildew-proof agent or the mildew-proof leather care agent has advantages of natural nontoxicity, high efficiency in bacterial inhibition, easinessin degradation and environmental friendliness.