Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

291 results about "Sodium benzoate" patented technology

Sodium benzoate is a substance which has the chemical formula C₆H₅COONa. It is a widely used food preservative, with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.

High-strength low-shrinkage polyester fiber and preparation method thereof

The invention relates to the technical field of high-performance polyester, in particular to a high-strength low-shrinkage polyester fiber and a preparation method thereof. The defects that existing polyester fibers are poor in strength and shrinkage resistance are overcome. The preparation method comprises the following steps: mixing the modified resin, the modified nano silicon dioxide, the composite antioxidant, the composite nucleating agent and the composite lubricant, and carrying out melt spinning. Wherein the modified resin is prepared from the following raw materials: dimethyl terephthalate, isophthalic acid, ethylene glycol and isosorbide; the modified nano silicon dioxide comprises nano silicon dioxide, KH570 and silver nitrate; the composite antioxidant comprises an antioxidant 1010, an antioxidant 168 and an antioxidant 1222; the composite nucleating agent comprises sodium benzoate and nano montmorillonite; the composite lubricant is prepared from ethylene bis stearamide and pentaerythritol stearate. The prepared polyester fiber is high in strength, high in shrinkage resistance and suitable for manufacturing of outdoor equipment.
Owner:JIANGSU YONGNENG NEW MATERIAL TECH CO LTD

Semi-artificial diet for Tuta absoluta larvae, preparation method and application thereof

The present invention discloses a semi-artificial diet for Tuta absoluta larvae, a preparation method thereof and an application thereof. In the present invention, 1000 mL of water is boiled, and after it is stable, 0.5 - 1 g of sorbic acid, 0.5 - 1 g of sodium p-hydroxybenzoate and 0.1 - 0.2 g of thiabendazole are added, and quickly stirred and melted. Subsequently, compound vitamins are added, and after stirring evenly, 500 - 550 g of malt embryos are added and stirred into a dough. When the temperature drops below 30 °C, 150 - 200 g of tomato leaf powder is added and stirred and mixed evenly to obtain the semi-artificial diet for Tuta absoluta larvae. The components of the semi-artificial diet of the present invention can not only meet the nutritional requirements of test insects, but also have an optimal compound ratio of different components, and particularly give the best nutritional ratio. At this ratio, the survival rate, pupation rate and emergence rate from larvae to pupae are high, and the deformity rate of pupae is low.
Owner:INST OF PLANT PROTECTION GANSU ACAD OF AGRI SCI

A reverse osmosis membrane cleaning agent composed of a non-oxidizing bactericide and an enzyme and its application.

This invention relates to the field of water treatment technology, specifically to a reverse osmosis membrane cleaning agent composed of a non-oxidizing bactericide and an enzyme, and its application. Its main purpose is to remove biofouling from reverse osmosis membranes and restore membrane flux. This patent discloses a novel reverse osmosis membrane cleaning agent formulation. Considering the different pH requirements of the cleaning agent in actual production, different types of bioactive hydrolytic enzymes are selected to disrupt the structure of bacterial cell walls and their extracellular polymers. A reducing agent and a non-oxidizing bactericide are combined to enhance the cleaning effect of the reverse osmosis membrane. For different cleaning purposes, non-oxidizing bactericides suitable for acidic and alkaline cleaning are formulated. Sodium benzoate and benzalkonium chloride show good application prospects in the removal of reverse osmosis membrane fouling.
Owner:ZHEJIANG UNIV

Novel corrosion-resistant slow-release product for urine wastewater and preparation method thereof

The invention belongs to the technical field of urine wastewater treatment, and particularly discloses a novel corrosion-resistant slow-release product for urine wastewater and a preparation method of the novel corrosion-resistant slow-release product. Sucrose, isomaltitol, a Kathon solution, citric acid, sorbic acid, benzoic acid and sodium benzoate are used as main raw materials to prepare a sustained-release product. The slow-release product has the effects of preventing corrosion and odor of urine. The slow-release block can effectively inhibit hydrolysis of urea in urine wastewater, and has good corrosion-resistant and odor-resistant effects; the hardness is higher, and powder is not easy to crack after long-time storage; the dissolvability is good, the toxicity is low and the environment-friendly effect is realized. The method is simple in preparation process flow, high in repeatability, low in equipment requirement, low in production cost and easy for industrial batch production.
Owner:TIANJIN UNIV

Lithium battery fire extinguishing agent and preparation method thereof

PendingCN120346489AFire extinguisherOrganophosphorous compoundsInsulation layer
The invention relates to the technical field of fire extinguishing agents, and particularly discloses a lithium battery fire extinguishing agent and a preparation method thereof. The degradable surfactant is selected from at least one of alkyl glycoside and fatty acid methyl ester sulfonate; the particle size of the nanoscale silicon dioxide particles is 10 to 100 nm; the composite flame retardant is formed by compounding an organic phosphorus compound and graphene oxide according to a mass ratio of 1: (0.5-2); the antifreeze agent is selected from at least one of ethylene glycol and propylene glycol; the thickening agent is selected from at least one of xanthan gum and sodium carboxymethyl cellulose; the preservative is selected from at least one of sodium benzoate and potassium sorbate; through the synergistic effect of the composite flame retardant, the fire extinguishing efficiency is remarkably improved, reburning is inhibited, in addition, nano silicon dioxide is uniformly dispersed after being subjected to surface modification to form a compact heat insulation layer, the degradable surfactant and the environment-friendly preservative are combined, and the agent is free of toxic residues.
Owner:YUANYUCHEN FIRE PROTECTION TECHNOLOGY (SHANGHAI) CO LTD

Detergent tablets

The invention relates to a detergent tablet comprising from 5 to 20 percent by weight citric acid or a salt thereof and from 3 to 25 percent by weight sodium benzoate and a surfactant. The invention also relates to a method of forming a wash liquor by combining a detergent tablet with water in a container. The invention also relates to the use of a detergent tablet to create a washing liquor for cleaning surfaces.
Owner:UNILEVER IP HLDG BV +2

AES concentrated formula with high-activity components and preparation method of AES concentrated formula

The invention discloses an AES concentrated formula with high-activity components and a preparation method of the AES concentrated formula. The invention discloses an AES (acrylonitrile-ethylene-propylene-diene monomer styrene) water-based detergent which comprises the following components in percentage by weight: 25%-35% of AES, 8%-12% of sodium n-alkyl benzene sulfonate, 5%-8% of alkyl glycoside, 4%-6% of cocamidopropyl betaine, 18%-28% of a composite chelating agent, 2%-4% of sodium chloride, 0.3%-0.5% of EDTA (Ethylene Diamine Tetraacetic Acid)-disodium, 0.5%-1% of sodium benzoate, 3%-5% of propylene glycol and the balance of deionized water. AES is used as a main surfactant, and forms a ternary compound system with sodium n-alkyl benzene sulfonate, alkyl glycoside and cocamidopropyl betaine. Through the synergistic effect of the surfactants of different ion types, the critical micelle concentration (CMC) and the micelle aggregation number are remarkably improved, so that the active ingredients can form a stable micelle structure at a lower concentration, and the dirt-removing power and the foaming performance are improved. Sodium tripolyphosphate, sodium pyrophosphate and sodium citrate form a composite chelating agent, the chelating capacity of the composite chelating agent on Ca < 2 + >, Mg < 2 + > and other metal ions is larger than or equal to 300 mgCaCO3 / g, the inhibition effect of hard water on a surfactant can be effectively eliminated, and the stability of the formula under different water quality conditions is enhanced.
Owner:GUANGDONG LICHEN AOWEI IND CO LTD

Preparation for promoting efficient yield increase and tree cultivation of rubber trees

The invention discloses a preparation for promoting efficient yield increase and tree cultivation of rubber trees. The invention belongs to the technical field of rubber tree planting, and the preparation comprises CMC-Na, Yitenling, a Nobawen chelating nutrient solution, boron hydroxide, sodium benzoate, melissyl alcohol, 14-sterol and other components, the concentration of each component is optimally designed, and the components are uniformly prepared through special stirring equipment; when in use, the preparation is smeared on a secant of a rubber tree, the latex yield can be remarkably increased, the dead skin rate is reduced, and the dry glue content is increased by continuous use; the problems that the yield increasing effect of rubber trees is limited and maintenance is insufficient are solved through scientific matching and synergistic effect, the method has the advantages of being wide in raw material source, controllable in cost and easy and convenient to operate, is suitable for large-scale popularization, and provides powerful support for sustainable development of the natural rubber industry.
Owner:HAINAN HUIKAI TECHNOLOGY TRADING CO LTD

Cosmetic compositions and methods of their use

Disclosed is a method of reducing fine lines or wrinkles on skin. The method can include applying a topical skin care composition to skin with fine lines or wrinkles. The composition can include lactobacillus ferment, ascorbyl glucoside, Terminalia ferdinandiana fruit extract, Helianthus annuus (Sunflower) seed extract, glycerin, Persea gratissima (avocado) oil, Butyrospermum parkii (shea) butter, coco-caprylate / caprate, Sclerotium gum, sodium benzoate, and tocopherol.
Owner:MARY KAY INC

Traditional Chinese medicine mixture with effect of tonifying liver and kidney and preparation method of traditional Chinese medicine mixture

The invention discloses a traditional Chinese medicine mixture with a liver and kidney tonifying effect and a preparation method thereof, and belongs to the field of pharmaceutical preparations. The traditional Chinese medicine mixture comprises the following components in parts by weight: 45-60 parts of polygonum multiflorum; 45-60 parts of rhizoma polygonati; 110 to 130 parts of fructus rosae laevigatae; 2.4 to 3.2 parts of Chinese angelica; 45-60 parts of rhizoma cibotii; 3.2 to 3.8 of semen cuscutae; 1.8-2.4 parts of dried orange peel; 3.5 parts of fructus psoraleae; the preparation method of the traditional Chinese medicine mixture comprises the following steps: decocting the components in water, filtering, concentrating filtrate until the density is 1.10-1.16 g / mL, adding ethanol until the alcohol content is 60%, standing for 24 hours, taking supernate, filtering, and recovering the filtrate under reduced pressure until no alcohol exists; adding water to 120 parts by weight, adding 2 parts by weight of talcum powder and 1 part by weight of sodium benzoate, uniformly stirring, and standing for 24-48 hours; taking supernatant liquid, adding 120-150 parts by weight of cane sugar, adding water to 300-350 parts by weight, uniformly stirring, boiling, standing and filtering to obtain filtrate, namely the product mixture. Eight medicines of the traditional Chinese medicine mixture are applied dialectically, and complement each other in tonifying liver and kidney, invigorating spleen and replenishing qi, arresting seminal emission and arresting enuresis.
Owner:ZHONGSHAN NIKEMEI PHARMA

Atomoxetine hydrochloride oral suspension and use thereof

An oral liquid suspension comprising atomoxetine or a pharmaceutically acceptable salt thereof is disclosed, formulated at a concentration of about 20 mg / mL for the treatment of attention-deficit / hyperactivity disorder (ADHD). The suspension includes a dual preservative system (methylparaben and sodium benzoate), sweeteners, pH buffers, suspending agents, co-solvents, flavorants, and colorants. The composition demonstrates bioequivalence to Strattera® capsules, robust antimicrobial efficacy meeting USP <51> criteria, and physicochemical stability over 24 months in validated high-density polyethylene containers with child-resistant closures. The 20 mg / mL concentration enables precise dose titration for pediatric and dysphagic patients. Palatability is optimized through validated flavor masking studies, supporting high patient adherence. The invention further provides scalable manufacturing methods, quality control specifications, and methods of use for treating ADHD, offering a stable, safe, and patient-friendly alternative to solid oral dosage forms.
Owner:OWP PHARMACEUTICALS INC

Process for preparing supramolecular carrier photosensitizer for photodynamic therapy and formulation thereof

A process for preparing a supramolecular carrier photosensitizer for photodynamic therapy and a formulation thereof is disclosed for prevention, treatment, anti-inflammatory and sterilization of oral dental diseases. Supramolecular carrier consists of refined lignin, glucomannan, cysteine, and sodium benzoate at a mass ratio of 0.1-1.0%: 0.5-3%: 0.1-0.5%: 0.05%, and the balance of water. Aqueous solutions of refined lignin, glucomannan, cysteine and sodium benzoate are prepared, and a pH value of combined solution is adjusted to 6.5, so that dissolved alkali lignin is precipitated to form an efficient and stable three-dimensional polymer network skeleton, and rich hydrogen bonds are facilitated to be formed between the same molecules and different molecules of lignin and glucomannan, thereby forming a supramolecular carrier formulation loaded with the photosensitizer. It ensures long-term storage stability of physicochemical traits of formulation, which is conducive to rapidly promoting application of PDT in anti-inflammatory and sterilization treatment of oral dental diseases.
Owner:CHANGSHA EASYINSMILE INTELLIGENCE TECH CO LTD

Compound dextromethorphan hydrobromide syrup and preparation method thereof

The invention belongs to the technical field of cough relieving and phlegm eliminating medicines, and particularly relates to compound dextromethorphan hydrobromide syrup and a preparation method thereof. On the basis that the total volume of the compound dextromethorphan hydrobromide syrup is 1000L, the compound dextromethorphan hydrobromide syrup provided by the invention is prepared from the following components: 3000g of dextromethorphan hydrobromide, 20kg of guaiacol glyceryl ether, 650kg of cane sugar, 100L of 1, 2-propylene glycol, 2000g of benzoic acid, 200g of sodium benzoate, 100g of menthol, 4000mL of essence, 14000mL of ethanol, 2000mL of caramel pigment and the balance of purified water. The compound dextromethorphan hydrobromide syrup provided by the invention takes benzoic acid as a main preservative and is matched with sodium benzoate; meanwhile, the dosage ratio of all the components in the syrup is optimized, the obtained compound dextromethorphan hydrobromide syrup is good in preservative effect, and adverse reactions are reduced.
Owner:BEIJING ACTING PHARMA BIOTECH

Composition for hair growth and method to prepare the same

PCT designated stageWO2026105138A1Cosmetic preparationsHair cosmeticsArginineGlycerol
The present disclosure discloses a composition for hair growth comprising Larix europea wood extract, Camellia sinesis leaf extract, Pisum sativum sprout extract, Curcuma longa (Turmeric) callus conditioned media, Hamamelis virginiana (Witch Hazel), Rosmarinus officinalis Leaf Oil, Glycerin, Glycine, Zinc Chloride, Sodium Metabisulfite, Gluconolactone, Sodium Benzoate, Calcium Gluconate, Tetrasodium ethylenediaminetetraacetic acid (EDTA), Saccharide Isomerate, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Propanediol, Biotinoyl Tripeptide- 1, Alpha Glucosyl Hesperidin, Caffeine, Hydrolyzed Pea Protein, Polyalkylene Glycol Mono Butyl Ether, Acrylates / C 10-30 Alkyl Acrylate Crosspolymer, Panthenol, Niacinamide, Arginine, PEG-40 Hydrogenated Castor Oil, Ethylhexylglycerin, Phenoxyethanol, and water is added to the composition until the desired volume is achieved. A method for preparing the composition for hair growth is also provided.
Owner:ANVEYA LIVING PTE LTD

Artificial feed for efficiently feeding parasitic wasps of prodenia litura

The invention discloses an artificial feed for efficient propagation of low-age larva parasitic wasps of prodenia litura. The artificial feed is prepared from the following raw materials: agar powder, soybean meal, sweet potato vines with leaves, yeast powder, wheat germs, sodium benzoate, vitamin C, multivitamins, linseed oil, chlortetracycline hydrochloride soluble powder and the like. The artificial feed is used for feeding 2-5-year-old prodenia litura larvae parasitized by parasitic wasps, and the pupation rate and eclosion rate of the parasitic wasps can both exceed 93%.
Owner:FUJIAN TOBACCO CORP NANPING CORP

Fire coal catalyst as well as preparation method and application thereof

The invention relates to the technical field of catalyst preparation, in particular to a coal-fired catalyst and a preparation method and application thereof.The coal-fired catalyst is at least prepared from, by weight, 180-300 parts of organic salt solution, 200-350 parts of inorganic salt solution and 50-70 parts of water, the organic salt solution at least comprises pyridinium acetate or sodium benzoate, and the inorganic salt solution at least comprises ammonium acetate or sodium benzoate; the problems that an existing oxygen supply combustion-supporting additive is poor in using effect, coal cannot be fully combusted, and the combustion efficiency cannot be remarkably improved are solved, and the application requirement of the subsequent fire coal field is better met.
Owner:HUIJING ENVIRONMENTAL PROTECTION (TIANJIN) CO LTD

High-mechanical-property PLA degradable composite material and preparation method thereof

PendingCN122103852APolymer scienceStearic acid
The application relates to the technical field of degradable materials, and discloses a high-mechanical-property PLA degradable composite material and a preparation method thereof.The high-mechanical-property PLA degradable composite material comprises the following raw materials in parts by weight: 60-80 parts of PLA resin, 15-30 parts of PBS resin, 5-12 parts of Chinese pine powder, 10-15 parts of polycaprolactone, 0.1-3 parts of a modified toughening agent, 0.2-1 part of a modified light stabilizer, 0.1-1 part of antioxidant 1010, 1.5-3 parts of glycerol tristearate, 0.1-0.5 parts of sodium benzoate and 0.1-0.5 parts of silane coupling agent KH-550.The modified toughening agent improves the impact strength and flexibility of the material, and further widens the application scene of the material; the modified light stabilizer enhances the ultraviolet aging resistance of the material, and meanwhile, the material retains excellent degradable characteristics and can be efficiently degraded in a natural environment after being discarded.
Owner:JIANGXI WEIHENG DIGITAL TECHNOLOGY CO LTD +1

Lime incorporated chitosan - a green food preservative for fruit juices

Lime-incorporated chitosan (LCh) beads are a non-toxic, environmentally friendly, and efficient preservative for food products, showcasing their superiority in microbial control, alcohol inhibition, color retention, and maintenance of physicochemical parameters. The all-natural LCh beads described here exhibit an on-par preservation performance with synthetic sodium benzoate at its maximum permissible limit in fruit juices. Additionally, the LCh beads offer the unique advantage of reusability, maintaining their preservation efficacy over multiple fruit juice preservation cycles, contributing to economic and environmental sustainability. The all-natural and biodegradable LCh beads exhibit comparable or superior preservation performance to synthetic preservatives like sodium benzoate at its maximum permissible limit in fruit juices. In light of the growing concerns about the harmful effects of synthetic preservatives, LCh beads present an eco-friendly and biocompatible solution, aligning with the increasing consumer demand for fresh and safe foods without chemically synthesized additives.
Owner:KHALIFA UNIV OF SCI & TECH

Natural plant extract mouth wash and preparation method thereof

The invention relates to the technical field of mouthwash, in particular to natural plant extract mouthwash and a preparation method thereof. The natural plant extract mouthwash is prepared from the following components in percentage by mass: 10 to 12 percent of citrus aurantium flower hydrolat, 6 to 8 percent of Hangzhou white chrysanthemum hydrolat, 5 to 7 percent of honeysuckle flower hydrolat, 4 to 5 percent of jasmine flower hydrolat, 4 to 5 percent of herba eupatorii hydrolat, 3 to 5 percent of glycerinum, 1 to 2.5 percent of enzyme microencapsulated powder, 0.5 to 0.8 percent of capryloyl hydroximic acid, 0.4 to 0.6 percent of ethylhexylglycerin, 0.1 to 0.2 percent of sodium benzoate, 0.05 to 0.1 percent of dipotassium glycyrrhizinate and 53.8 to 66.05 percent of pure water. The natural plant extract mouthwash provided by the invention has efficient cleaning and nursing effects and excellent stability, effectively solves the problems that enzyme active components are easy to inactivate in a liquid environment and short in storage period through an enzyme microencapsulation technology, realizes long-acting antibacterial and dental plaque decomposition effects, and has the advantages of no side effect, no side effect, no toxic or side effect and the like. Meanwhile, the five kinds of plant hydrolats are compounded, so that the product is endowed with fresh and pleasant plant fragrance and pleasant use experience, and mild antibacterial, anti-inflammatory and soothing effects on the oral cavity are achieved through natural active substances contained in the plant hydrolats.
Owner:ZHEJIANG CHINESE MEDICAL UNIVERSITY

Moisturizing dust suppressant and use method thereof

The invention provides a moisturizing dust suppressant and a use method thereof, and relates to the technical field of dust suppression. The moisturizing dust suppressant is prepared from the following raw materials in percentage by mass: 18 to 43 percent of glycerol, 0.1 to 0.6 percent of guar gum, 3 to 8 percent of magnesium sulfate, 0.1 to 0.3 percent of sodium dodecyl benzene sulfonate, 1 to 3 percent of sodium benzoate and the balance of water, wherein the mass of the raw materials is 100 percent. The use method comprises the following steps: selecting the spraying concentration of the moisturizing and dust suppressing agent according to the road condition of a target road, and selecting the nozzle type of the spraying facility for spraying according to the spraying requirement; the road conditions comprise municipal roads and slag roads; the spraying requirement comprises the spraying area or the spraying uniformity of the spraying operation. According to the moisture-preserving dust suppressant, the dust concentration is remarkably reduced, the safety of an operation environment is improved, and the loss of coal resources is reduced. In addition, by means of the spraying method, the use efficiency and economic benefits of the dust suppressant are remarkably improved, and the problem that a traditional spraying mode is poor in effect in a complex application scene is effectively solved.
Owner:山西中煤平朔宇辰有限公司 +1

Buccal element as well as preparation method and application thereof

The invention discloses a buccal element as well as a preparation method and application thereof, and belongs to the technical field of oral cleaning supplies. The method comprises the following steps: firstly, adding 2.8 to 3.5 parts of glacial acetic acid, 0.005 to 0.015 part of sodium benzoate, 0.005 to 0.015 part of sodium cyclamate, 0.08 to 0.12 part of lactic acid and 0.04 to 0.06 part of citric acid into 100 parts of water, and mixing to form acetic acid mother liquor; then, putting 3.7-4.6 parts of sodium bicarbonate and 0.08-0.12 part of calcium carbonate into a container, adding the acetic acid mother solution into the container, and stirring to form a mixed solution; adjusting the pH value of the mixed solution to 6.8-7.2, then sequentially adding 0.08-0.12 part by weight of lovastatin, 0.02-0.04 part by weight of peppermint water and 0.08-0.12 part by weight of a clove extracting solution, and uniformly stirring, so as to obtain the traditional Chinese medicine composition. The method disclosed by the invention is simple, and the prepared buccal essence is non-toxic and non-irritant, is high in decayed tooth inhibition rate and can quickly relieve decayed tooth pain and dentin hypersensitivity.
Owner:BEAVER PHARMACEUTICAL TECHNOLOGY (NINGBO) CO LTD

Fuel additive as well as preparation method and application thereof

The invention belongs to the technical field of fuel additives and clean energy. The invention provides a fuel oil additive, which is prepared from 40 to 60 parts of fatty acid ester, 10 to 20 parts of alcohol ether compounds, 1 to 3 parts of nanometer oxides, 2 to 4 parts of surfactants, 1 to 2 parts of oxidation stabilizers, 2 to 3 parts of sodium benzoate, 1 to 2 parts of 2, 6-dimethyl pyridine, 0.5 to 1 part of metal organic catalytic combustion improvers and 20 to 30 parts of solvent oil. The fuel additive can significantly improve the fuel combustion efficiency, reduce the fuel consumption, reduce the emission of CO, HC, NOx and soot, and improve the combustion stability and storage performance. The additive selects part of bio-based raw materials, has the characteristics of energy conservation, emission reduction, greenness and low carbon, is suitable for the field of combustion-supporting modification of gasoline, diesel oil and biofuel, and has good environmental benefits and application prospects.
Owner:ENERGY RES INST OF JIANGXI ACAD OF SCI +3

Sargassum pallidum polypeptide oral liquid and preparation method thereof

The invention discloses a sargassum pallidum polypeptide oral liquid and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. The oral liquid comprises sargassum pallidum polypeptide as a main drug, xylitol, anhydrous citric acid and beta-cyclodextrine as flavoring agents, sodium benzoate as a preservative and purified water as a solvent. The preparation method comprises the following steps: dissolving sargassum pallidum polypeptide in part of purified water, sequentially adding other auxiliary materials, stirring, centrifuging, fixing the volume, and uniformly mixing. Through single factor and orthogonal test optimization, the optimal prescription ratio is determined, the sensory quality of the oral liquid is remarkably improved, and the oral liquid has good stability. The product is appropriate in taste, unique in flavor, simple and convenient in preparation process and suitable for industrial production.
Owner:JIANGSU OCEAN UNIV

A method for continuously synthesizing benzoic acid from a sodium benzoate mother liquor

This invention discloses a method for the continuous synthesis of benzoic acid from sodium benzoate mother liquor, comprising the following steps: (1) continuously pumping sodium benzoate mother liquor into a high-temperature acidification kettle, adding hydrochloric acid dropwise, controlling the pH value to 1~2, and the reaction temperature to 97~100℃; (2) overflowing the acidification mother liquor into a cooling kettle #1 to reduce the temperature to 70~80℃; (3) overflowing part of the acidification mother liquor in the cooling kettle #1 into a dispersion kettle as a dispersion mother liquor, and overflowing part of the acidification mother liquor into a cooling kettle #2; reducing the temperature to below 40℃; adding crude benzoic acid to the dispersion kettle to increase the concentration of benzoic acid, and then returning it to the high-temperature acidification kettle; (4) centrifuging the acidification mother liquor in the cooling kettle #2 into a centrifuge and then discharging it into a crude benzoic acid buffer tank, part of the crude benzoic acid into the dispersion kettle, and the remaining crude benzoic acid dried and discharged to obtain the finished benzoic acid. This invention utilizes continuous high-temperature acidification of sodium benzoate mother liquor and increases the concentration of benzoic acid during high-temperature acidification, resulting in high-quality benzoic acid with high production efficiency.
Owner:CHINASUN SPECIALTY PROD CO LTD

Mosquito luring agent gel composition as well as preparation method and application thereof

The invention discloses a mosquito luring agent gel composition as well as a preparation method and application thereof, and relates to the technical field of daily chemical industry. The composition provided by the invention has a gel dosage form and comprises a gel matrix and a long-acting mosquito-luring component, the long-acting mosquito-luring active component is mainly tea-flavor ketone, meanwhile, sodium benzoate is added to be compounded with the tea-flavor ketone, and the sodium benzoate can realize slow release of the tea-flavor ketone through intermolecular interaction with the tea-flavor ketone. Meanwhile, the introduction of sodium benzoate can also adjust the microstructure of the obtained gel, has important influence on the texture of the gel, and can improve the stability of the gel. Based on the introduction of sodium benzoate and the gel formulation, the water-retaining property of the gel and the slow release of tea flavor ketone are remarkably improved, the durability of mosquito trapping activity is prolonged, the mosquito trapping rate within 72 hours is stabilized to be 58% or above, the reduction degree is not higher than 27.5% compared with the mosquito trapping rate after 24 hours, and the gel has excellent large-scale application prospects.
Owner:JIANGMEN THANOS BIOTECHNOLOGY CO LTD

Fluorapatite phosphate ore reverse flotation magnesium removal collector and application thereof

The application provides a fluorapatite phosphate ore reverse flotation magnesium removal collector and application thereof, which comprises basic substances and water, and the basic substances are mixed according to the mass ratio, wherein the ratio of fatty acid soap, surfactant and additive is 11:3:2; the fatty acid soap is one or a mixture of two of sodium oleate, oxidized paraffin soap; the surfactant is one or any ratio of sodium dodecyl sulfonate, sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, sodium citrate, sodium acetate and sodium benzoate; and the additive is sodium naphthenate. The fluorapatite phosphate ore reverse flotation magnesium removal collector provided by the application can effectively separate apatite and dolomite, significantly improve the collecting capacity and selectivity by adding surfactants and additives, and the surfactant composition weakens the influence of Fe 3+ on the flotation system.
Owner:ZHEJIANG YOUSHAN NEW ENERGY TECHNOLOGY CO LTD

Chemical composition for increasing density of liquids

A chemical composition for increasing density of liquids such as water for sports, bathing, leisure and / or rehabilitation uses includes in weight percentage: potassium citrate, between 1.2% and 63%; sodium citrate, between 1.5% and 66%; potassium chloride, between 2.2% and 97%; potassium ascorbate, between 5.1% and 94%; and sodium benzoate, between 1.03% and 22%. The components are water-soluble salts, environmentally friendly, which are common food additives, what makes them safety for humans. The composition can be added to water of swimming pools, ponds, tanks, rafts, bathtubs or artificial beaches, where it increases density, increasing floatability and facilitating the practice of sports, swimming, bathing or other leisure activities. It also helps to prevent development of microorganisms or other polluting substances and to diminish freezing point of the water where it has been added.
Owner:IBRAHIM Y AUTEF ABDOH

Preparation and quality control method of traditional Chinese medicine lotion for treating leukoplakia vulvae

The invention discloses a preparation and quality control method of a traditional Chinese medicine lotion for treating leukoplakia vulvae, and relates to the technical field of preparation of leukoplakia vulvae lotions. The preparation and quality control method of the traditional Chinese medicine lotion for treating leukoplakia vulvae comprises the following steps: weighing fructus cnidii, cortex phellodendri, radix sophorae flavescentis, fructus kochiae, rhizoma anemarrhenae, cortex dictamni, herba artemisiae annuae, radix gentianae macrophyllae, radix paeoniae rubra, radix salviae miltiorrhizae and radix rehmanniae recen, crushing the medicinal materials, sieving with a 20-mesh sieve, preserving for later use, and extracting; putting the crushed medicinal materials into a dynamic extraction tank, carrying out multi-stage decoction, finally combining filtrate obtained after decoction, and carrying out concentration forming; and putting the combined filtrate into vacuum concentration equipment to obtain concentrated filtrate, adding 1% sodium benzoate, and uniformly stirring to obtain the white-removing and itching-relieving lotion. By optimizing the extraction process, the extraction rate of effective components is remarkably increased, the drug effect of the lotion is enhanced, the drug effect material basis is clear, clinical tests show that the total effective rate is increased to 89.3%, and the optimized process has remarkable advantages in the aspect of drug effect improvement.
Owner:WUHAN THIRD HOSPITAL