37 results about "ETHYL LAUROYL ARGINATE HYDROCHLORIDE" patented technology

The invention relates to a novel food preservative and a preparation process thereof, and belongs to the technical field of the production of the food preservative. The process uses lauroyl arginine ethyl ester hydrochloride as the raw material, which is mixed with accessories including ethanol and other food grade solvent, and a sour agent according to a proportion, so as to prepare the novel food preservative. The obtained product has wide range of antimicrobial activity, can effectively inhibit the gram positive, gram negative bacteria, mold and yeast, and can quickly metabolize in the digestive tract, and is an excellent novel preservative product. The preparation process of the novel preservative has high yield, is applicable to large scale production and realizes serialization large scale production.

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 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 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 technical field of electroplating, and particularly relates to an electrocoppering plating solution and an electrocoppering method. The electrocoppering plating solution is composed of copper sulfate pentahydrate, sulfuric acid, chloridions, a brightener, a leveling agent, lauryl L-Arginine ethyl ester dihydrochloride, deionized water and other components. The electrocoppering method comprises the four steps of surface treatment, electrocoppering plating solution preparing, electroplating and drying. By means of the electrocoppering plating solution, electrocoppering can be carried out under the high-density current, a coppered layer of an obtained coppered workpiece is bright and smooth, adhesive force is good, the electroplating time of the low current density under the same condition can be shortened, work efficiency can be improved, and cost can be saved. The formula components of the electrocoppering plating solution are simple, the electrocoppering method is easy to achieve, and industrialization can be achieved easily.

The invention provides a skin-beautifying and moisturizing makeup remover. The makeup remover is composed of the following components in percentage by weight: 60-80% of a solvent, 1-10% of a humectant; 1-10% of a mixture of polyglycerol-10 laurate and PEG-20 glycerol laurate, 0.01-0.1% of a chelating agent; 1-10% of a mixture of butanediol and a Chinese herbaceous peony root extract; 1%-10% of aloe vera leaf juice, 0.1%-1% of a glycyrrhiza glabra root extract, 0.1%-1% of a tremella extract, 0.1%-1% of olive fruit water, 0.1%-1% of a mixture of ethyl lauroyl arginate hydrochloride and 1, 2-hexanediol, 0.1%-1% of PEG-40 hydrogenated castor oil and 0.1%-1% of an emollient. The invention also provides a preparation method thereof. The skin-beautifying and moisturizing makeup remover provided by the invention has good cleansing, skin-beautifying, moisturizing and skin-refreshing effects, and has little irritation to eyes.

The invention relates to a fruit and vegetable freshness-keeping agent characterized by comprising a potassium sorbate solution or a N-alpha-lauroyl-L-arginine ethyl ester hydrochloride LAE solution as an active ingredient; and the invention further provides a preparation method of the fruit and vegetable freshness-keeping agent. The preparation method of the fruit and vegetable freshness-keepingagent comprises the following steps: (1) preparing a water-soluble potassium sorbate solution; (2) preparing a N-alpha-lauroyl-L-arginine ethyl ester hydrochloride LAE solution; and (3) spraying the two solutions 0-3 days before harvest, either used as single agents or used simultaneously with intervals between. Compared with the prior art, the invention has the following advantages: the fruit andvegetable freshness-keeping agent can be used for pre-harvest treatment of kiwi fruits so as to improve edible safety of the kiwi fruits; moreover, the fruit and vegetable freshness-keeping agent isalso capable of slowing down decline of sensory quality and nutritional quality of kiwi fruits so as to prolong shelf lives of the kiwi fruits.

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 antibacterial composition, a preparation and application thereof. The antibacterial composition comprises the following raw material components in parts by weight: 0.1-2 parts of lysozyme, 0.1-2 parts of ethyl lauroyl arginate hydrochloride, and 0.02-0.5 part of epsilon-polylysine and salt thereof and/or modified epsilon-polylysine and salt thereof. The antibacterial composition has the characteristics of safe raw materials, high efficiency in use, no irritation, no sensitization, tolerance and stable antibacterial effect, can be used for antibacterial disinfection of multiple purposes such as skin, oral cavity, mucosa, air and object surface, and can also be used for medical dressings and preparation of medicines with antibacterial effect.

The invention relates to the technical field of antibacterial hygienic products, particularly to an antiseptic system for infant wet tissue immersion liquid. The antiseptic system comprises the following components, by weight: 0.05 to 0.5% of epsilon-polylysine, 0.08% to 0.4% of ethyl lauroyl arginate hydrochloride, 0.01% to 0.1% of natamycin, 0.01% to 0.05% of dehydroacetic acid, 0.01% to 0.1% oflactic acid, 0.1% to 0.5% of alkyl glycoside, 0.2% to 0.8% of glycerinum, and 97.55% to 99.54% of secondary reverse osmosis water. The preparation method is simple and convenient to process; the prepared antiseptic system is natural, safe, non-toxic, odorless, mild, non-irritant, environmentally friendly, stable in property, not prone to discoloring, good in cleaning effect, good in skin moistening effect and good in antibacterial and bacteriostatic performances.

The invention discloses an antibacterial coating for inner walls of water storage tanks. The antibacterial coating comprises the following components: methyltriethoxysilane, dimethyldiethoxysilane, water and ethyl lauroyl arginate, wherein the methyltriethoxysilane, the dimethyldiethoxysilane and the water have a molar ratio of 1-2: 1-2: 5-10, and the ethyl lauroyl arginate accounts for 0.1-5% thecoating by weight. The antibacterial and antifouling coating prepared through a certain preprocessing and spraying process by adopting a stainless steel sheet is used as a substrate has the characteristics of being good in adhesion, wear-resistant and self-cleaning, is suitable for long-term immersion in the environment of recycled water, and exhibits a characteristic of being hydrophobic so as to effectively enhance the anti-fouling property.

The invention discloses a super-hydrophobic coating material as well as a preparation method and application thereof. The super-hydrophobic coating material is prepared from the following components in parts by mass: 120 parts of ethanol, 80-100 parts of polyurethane, 8-12 parts of terpene resin, 10 to 20 parts of molybdenum disulfide, 2 to 4 parts of nanometer aluminum oxide, 15 to 20 parts of asilane coupling agent, 1 to 2 parts of graphene, 1 to 2 parts of silicon carbide, 0.6 to 1.6 parts of stearic acid, 1 to 2 parts of zinc stearate, 1.0 to 1.5 parts of polyvinylpyrrolidone, 0.3 to 0.8part of an antioxidant and 0.5 to 1.0 part of ethyl lauroyl arginate hydrochloride.

The invention provides a skin whitening and moisture preserving amino acid cleanser which comprises, in weight percent, 10-50% of water, 10-30% of glycerin, 0.01-0.1% of carbopol, 10-50% of sodium cocoyl glycinate, 1-10% of cocamidopropyl betaine, 1-10% of sodium lauroyl glutamate, 1-10% of cocoyl hydrolysis oat potassium proteins, 1-10% of sodium methyllauroyl taurine, 1-10% of mixture of sodiumlauroyl aspartate and PEG-150 distearate, 1-5% of PEG-150 stearate, 0.1-1% of pH (potential of hydrogen) value conditioning agents, 0.01-0.1% of chelating agents, 1-5% of mixture of butylene glycol and skin conditioners, 0.1-1% of mixture of ethyl lauryl arginine hydrochloride and 1,2-hexylene glycol and 0.01-0.1% of emollients. The invention further provides a preparation method of the cleanser.The skin whitening and moisture preserving amino acid cleanser has good effects of whitening skin, preserving moisture, cleaning face and beautifying skin and is low in irritation.

The invention discloses an infant hand and mouth wet tissue antimicrobial composition and a preparation method thereof. The antimicrobial composition comprises the following components in percentage by mass: 8-15% of a preservative; 3%-8% of a rapid bactericide; 20%-30% of an auxiliary preservative; 40%-60% of a multifunctional additive; 12-25% of a solvent; the sum of the mass percentages of the components is 100%. The preservative is benzoic acid; the rapid sterilizing agent is lauroyl arginine ethyl ester hydrochloride (LAE); the auxiliary preservative is sorbitan octoate; the multifunctional auxiliary agent is 1, 2-hexanediol; the solvent is 1, 3 butanediol. According to the invention, food-grade and quasi-food-grade antiseptic bactericides are adopted and matched with green preservative aids, so that the antimicrobial composition for the infant hand and mouth wet wipes, which is toxicologically safe, reliable in preservative effect and non-irritant, is obtained and is applied to the infant hand and mouth wet wipes, and an ideal expected target is achieved.

The invention relates to the field of disinfectants, in particular to a bio-based disinfectant and application thereof. The bio-based disinfectant is prepared from polylysine, lysozyme and/or lysostaphin, ethyl lauroyl arginate hydrochloride and glycerol, in the bio-based disinfectant, the concentration of the polylysine is 0.01 to 5 weight percent, the concentration of the lysozyme and/or the lysostaphin is 0.01 to 5 weight percent, the concentration of the ethyl lauroyl arginate hydrochloride is 0.01 to 5 weight percent, and the concentration of the glycerol is 0.01 to 10 weight percent. The disinfectant provided by the invention has the characteristics of high antibacterial rate, high safety, wide antibacterial spectrum, wide applicability, mildness and durability.