72 results about "Glycerol" patented technology

The invention relates to a preparation method of florfenicol intermediate, in particular to a preparation method of D-threo-2-(dichloromethyl)-4, 5-dihydro-5-(p-(methylsulfonyl) phenyl)-4-oxazole methanol, which comprises the detailed steps as follows: 100 portions of D-p-methylsulfino phenyl ethyl serinate (I) are dissolved in 500 to 700 portions of methanol; then 24 to 27 portions of potassium borohydride are added; the reaction temperature is between 30 and 50 DEG C and the reaction time is between 4 and 8 hours; 80 to 150 portions of methanol are recycled and 230 to 300 portions of glycerol are added; then acid is used for neutralizing the reaction solution to adjust the pH of the solution to be between 7 and 10; and 42 to 45 portions of dochloroacetonitril are added to generate the D-threo-2-(dichloromethyl)-4, 5-dihydro-5-(p-(methylsulfonyl) phenyl)-4-oxazole methanol (II). The preparation method has the characteristics of few technique steps, simple operation and low cost.

The invention discloses a diepoxide vegetable oil acid acetyl glyceride plasticizer. The diepoxide vegetable oil acid acetyl glyceride plasticizer comprises a structure shown in the formula (I) or (II); the invention further discloses a synthesis method of the diepoxide vegetable oil acid acetyl glyceride. The synthesis method comprises the following steps: 1) performing transesterification on the vegetable oil and glycerin to generate vegetable oil acid diglyceride; 2) performing acetylation on the vegetable oil acid diglyceride and an acetylation reagent to synthesize vegetable oil acid acetyl diglyceride; 3) performing epoxidation reaction on the vegetable oil acid acetyl diglyceride and hydrogen peroxide to synthesize diepoxide vegetable oil acid acetyl glyceride. The diepoxide vegetable oil acid acetyl glyceride is environment-friendly and non-toxic, has the characteristics of good stability, excellent liquidity and good plastic intermiscibility, can be used as plasticizer to be added in a plastic product, and has a wide market prospect.

The invention relates to a method of manufacturing bio-diesel by bio-catalysis grease and inter-esterification. The method of manufacturing bio-diesel by the waste grease biological method is that: pre-processed raw material grease is firstly added into a first stage fixed enzyme reactor, and methyl alcohol is also added into the enzyme reactor, the crude glycerin is separated from the post-reaction effluents and other reactants flow through enzyme reactors of different stages respectively. The operation is repeated. When the reaction finishes, all the reaction end products are separated, and the finished bio-diesel is obtained. 3-4 stages of fixed enzyme reactors are adopted for the continuous inter-esterification process, and the temperature of 25-50 DEG C is required for the whole reaction process. The raw material of the invention is cheap grease, and the waste materials are utilized and the production cost for bio-diesel is decreased.

The invention discloses Chinese herbal medicine toothpaste containing nano diamond olefine, belonging to the field of oral hygiene and health care. The toothpaste is prepared from the following raw materials in percent by weight: 0.3-1.6% of nano diamond olefine, 1-4% of Chinese herbal medicine extract, 18-45% of abrasive, 1.2-2.3% of hydroxy ethyl cellulose, 0.5-2% of carrageenin, 1-4% of thickening agent, 1.5-3.5% of lauryl sodium sulfate, 8-15% of glycerol, 7-10% of propylene glycol, 0.5-0.8% of sweetening agent, 0.5-0.8% of preservative and the balance of deionized water. Nano diamond olefine added into the Chinese herbal medicine toothpaste containing nano diamond olefine, provided by the invention, can continuously kill bacterial colonies, so that the Chinese herbal medicine toothpaste has better capability of effectively and durably keeping the sanitation and hygiene of the oral cavity than the traditional Chinese herbal medicine toothpaste; and medicine ingredients are regularly distributed and stored in layered 'storage rooms' of diamond olefine and can be slowly released, thereby greatly prolonging the retention time of the medicine ingredients in the oral cavity so as to play a role in continuously keeping the oral hygiene.

The invention discloses essence of pickled Chinese cabbage and a preparation method and an application thereof. The method comprises the following steps: first, adding 60wt% of edible vegetable oil or glycerol triacetate as a solvent, heating to 60 DEG C, adding 4-hydroxyl-2, 5-dimethyl-3(2H) furanone, acetyl pyrazine, stirring till the components are completely dissolved, and cooling to below 30 DEG C; then, sequentially adding ethyl acetate, ethyl hexanoate, ethyl lactate, butyl caproate, 2-methyl butyric acid hexylester, phenethyl acetate, trans-2-heptenal, phenethyl alcohol, p-ethyl phenol, dimethyl disulfide, acetic acid, propionic acid, butyric acid, 2-methyl butyric acid, garlic oil or galic essential oil, fennel oil or fennel oil resin, ginger oil or ginger essential oil or distilled ginger oil and a pepper extract or pepper essential oil or pepper oil resin; and adding 40wt% of residual edible vegetable oil or glycerol triacetate, uniformly stirring and filling to obtain the essence. The essence of of pickled Chinese cabbage produced by the invention is vivid in frangrance compared with that of common fermented flavor essence, stable in quality, good in temperature resistance and unique in flavor.

The invention belongs to the field of skin-care products, and discloses an anti-allergy skin-soothing essence and a preparation method thereof. The anti-allergy skin-soothing essence is prepared fromthe following components: deionized water, a pot marigold extract, an aloe extract, a pot marigold/Chinese mugwort fermentation extract, corn gluten, hydroxyethyl cellulose, hyaluronic acid, glycerine, butanediol, and beeswax. The anti-allergy skin-soothing essence disclosed by the invention adopts scientific and rational raw material proportion, and fully utilizes soothing and anti-allergic effects of the pot marigold extract, the aloe extract and the pot marigold/Chinese mugwort fermentation extract, as well as skin elasticity increasing effect of the corn gluten, so that the components exist side by side and play a part together so as to endow the essence with the effects of effectively improving common problems of allergic skin and removing accumulated turbid matters in the skin as well as harmful substances caused by pollution, thereby achieving the functions of nourishing the skin, resisting allergy, diminishing inflammation, tightening the skin, whitening and moisturizing; and thus, the anti-allergy skin-soothing essence is capable of cleaning, nourishing and protecting the skin, as well as effectively soothing the skin, resisting allergy and preventing skin split caused bydryness.

The invention discloses an easing acesodyne plaster which contains the following components: 10-30 parts of glycerinum, 2-8 parts of seaweed gel, 0.5-1 part of oleum gaultheriae, 10-20 parts of mint leaf oil, 5-7 parts of citronella oil, 4-8 parts of eucalyptus globulus oil, 5-20 parts of cortex eucommiae, 5-10 parts of rose oil, 3-10 parts of sandalwood oil, 4-10 parts of guard reversal extract, 3-10 parts of eucalyptus extract, 2-8 parts of vernonia gratiosa extract, 0.5-1.5 parts of ginger extract, 1-20 parts of water, 2-5 parts of system stabilizer, 0.05-3 parts of thickening agent and 0.1-5 part of alcohol. The formula adopted by the invention has the effects of clearing heat, relieving pain, promoting circulation and removing stasis; the specially treated eucommia staminate flowers are selected for mutually complementing and reinforcing the other components in the drug; the easing acesodyne plaster has the effects of fast effectiveness, curative effect and difficulty in recurring in treating persistent pain, especially, arthritis pain, traumatic injury and haemorrhoids.

The invention discloses a temperature-sensitive wall material. The temperature-sensitive wall material comprises a temperature-sensitive material modified polymer wall material, wherein the temperature-sensitive material is polyvinylpyrrolidone, glycerophosphate, stearic acid, galactose-removed xyloglucan or gelatin-chitosan, poly(N-isopropylacrylamide) and hydroxybutyl chitosan. The temperature-sensitive wall material releases drugs at different temperatures, the drug release time is flexibly controlled, the phytotoxicity is reduced, and the drug action time is prolonged. The temperature-sensitive wall material can be applied to whole-course pesticide application protection of the growth cycle of crops, the chemical application frequency is reduced, and the crop management efficiency is improved. The invention also provides a corresponding microcapsule and a preparation method.

The invention relates to a long-acting preservative for meat products. The preservative is prepared from the following raw materials in parts by weight: 1-3 parts of ethanol, 4-8 parts of rhus chinensis, 10-15 parts of sodium diacetate, 5-7 parts of potassium sorbate, 6-7 parts of calcium propionate, 11-15 parts of tea flower extract, 3-4 parts of glycerinum, 3-9 parts of lactic acid, 2-4 parts of trisodium phosphate, 1-3 parts of sodium lactate, 2-6 parts of sodium citrate, 0.3-0.5 part of nisin, 3-6 parts of sodium succinate and 0.6-1 part of malic acid. The long-acting preservative for meat products provided by the invention has the benefits that the long-acting preservative for meat products provided by the invention is long in acting time, good in effect and safe and efficient, and the taste of the meat products is not affected while corrosion is prevented.

The invention discloses a method for catalytic synthesis of dichloropropanol by hydrogen chloride-containing industrial waste gas and glycerol. The method synthesizes dichloropropanol by using hydrogen chloride-containing industrial waste gas and glycerol through a hydrochlorination reaction under the action of a catalyst; wherein the catalyst is zinc acetate or zinc adipate; the reaction temperature is 100-120 DEG C, and the reaction is performed for 72-96 hours under normal pressure. The invention adopts hydrogen chloride-containing industrial waste gas as a raw material, has the benefits of both economy and environmental protection.

The invention discloses a spray method for preparing oxidation-resisting phosphorous copper alloy powder. The spray method is characterized in that the oxidation-resisting phosphorous copper alloy powder is prepared by the following components: 500 parts of raw copper powder, 25-30 parts of tin power, 8-10 parts of phosphorus powder, 3-7 parts of benzotriazole, 3-7 parts of benzene sulfonic acid sodium salt and 6-8 parts of glycerol. By smelting the raw materials through intermediate frequency smelting equipment and adjusting the contents of copper, tin and phosphorus, the product lead-free effect is realized, and the oxidation-resisting phosphorous copper alloy powder is prepared by the spray method. The prepared oxidation-resisting phosphorous copper alloy powder has the characteristics of good sphericity, component uniformity, good moldability, excellent sinterability and low surface oxidation. The spray method is low in production cost, high in production efficiency and stable in product quality.

The invention discloses a chlorella facial mask and a preparation method thereof, and belongs to the field of cosmetic preparation. The chlorella facial mask comprises a facial mask solution and facial mask paper, wherein the facial mask solution is prepared from the following raw materials in parts by weight: 60-99 parts of deionized water; 0.01 to 0.5 part of an acrylic acid (acrylate)/C10-30 alkanol acrylate cross-linked polymer, 0.01 to 0.2 part of transparent xanthan gum, 1 to 20 parts of propylene glycol, 0.1 to 10 parts of glyceryl polyether-26, 0.01 to 0.4 part of sodium hyaluronate and 0.01 to 0.4 part of hydrolyzed hyaluronic acid; according to the invention, the deep purification function of chlorella is utilized; a chlorella extract is introduced into cosmetics; entry into thedeep of the skin is realized, active ingredients are effectively released, subcutaneous fibrous tissues are activated, and collagen proliferation is promoted, so that the compactness of the collagen fibrous tissues is enhanced, the skin is easy to become soft, compact and elastic, chlorella factors entering the skin can be easily released, cells can be repaired, part of cells can be revived, and the cells can be protected.

The invention discloses a skin care and repair composition. The composition comprises the following components in parts by weight: 0.1-0.5 part of sodium hyaluronate, 0.1-0.4 part of dipotassium glycyrrhizinate, 0.1-0.5 part of carbomer, 2-8 parts of camellia oil, 1-10 parts of inactivated lactobacillus, 1-8 parts of glycerol, 0.2-0.5 part of arginine and a proper amount of water. The invention also provides a preparation method and application of the composition. Through matching of all the components, skin moisturizing can be well achieved, superficial wound healing and skin repairing are promoted, and the skin with barrier damage caused by allergy, dermatitis, skin itch, decrustation, erythema and the like is comprehensively nursed and repaired; meanwhile the raw materials are safe andmild, and absorption is easy; the market application prospect is wide; and the composition can be used for preparing skin care and skin repair preparations or medical instruments and the like.

A process of enhanced bio-alcohol production from molasses is provided herein. The process comprises contacting molasses with sodium benzoate, potassium sorbate or a mixture thereof followed by yeast fermentation resulting in at least 6% increased alcohol production. Also included within the scope of the present invention is a process for producing co-product containing reduced glycerol.

The invention discloses a molybdenum/steel connector and a preparation method thereof. A connecting layer of the molybdenum/steel connector has a sandwich type three-layer structure and comprises twoNi76CrP solder layers for being connected with molybdenum and steel correspondingly and a metal foil layer located between the two Ni76CrP solder layers. The preparation method comprises the followingsteps that 1, a proper amount of Ni76CrP welding powder is taken, glycerol is added to be blended, and Ni76CrP paste solder is obtained; and 2, the to-be-connected end faces of a steel block and a molybdenum block are coated with each coated with a layer of Ni76CrP paste solder obtained in step 1, then metal foil is placed between the two Ni76CrP paste solder layers, the steel block and the molybdenum block are closed, finally the load of 10 kPa is applied, overall brazing is carried out, brazing is carried out under the vacuum condition, the temperature is raised to 1000 DEG C to 1100 DEG C,heat preservation is carried out for 10 min, and the molybdenum/steel connector is obtained. The preparation method is simple and easy to operate, and raw material cost is low. The prepared molybdenum/steel connector is even and dense in layer, good in interface bonding, free of cracks and pores and other defects and high in connecting strength.

The invention relates to a quickly frozen steamed bun raw product and a production method thereof, belonging to the technical field of food processing. Wheat flour, Yanshan yeast, aluminum-free baking powder, white granulated sugar, shortening, salt, transglutaminase, lipase, xylanase, glucose oxidase, trehalose, ascorbic acid, lecithin, sugar ester, glycerol, locust bean gum, artemisia gum, carboxymethylcellulose, guar gum, wheat gluten, wheat starch, or corn starch, or potato starch or rice starch are put in a mixing tank, are slowly agitated and are evenly mixed, water is added in the mixture and the obtained mixture is agitated into dough at medium-speed; the dough is pressed and formed, the obtained dough is quickly frozen after the bough is pre-fermented and cooled or the obtained dough is directly and quickly frozen, and the obtained dough is frozen for future use; and when in use, the dough is directly steamed only to obtain fresh bun products, and for dough not pre-fermented,pre-fermentation is required before steaming. The invention has the advantages that the traditional manual workshop production of the steamed bun is shifted to industrial production in an accelerating way, the product quality, the safety and the convenience are improved, the flavor loss caused by repetitive steaming is avoided and the energy is saved when compared with the steamed bun products quickly frozen after steaming.

The invention relates to peppermint hydrolat lotion and a preparation method thereof. The peppermint hydrolat lotion comprises components in parts by weight as follows: 40-60 parts of peppermint hydrolat, 3-10 parts of aloe gel, 0.5-2.0 parts of an amino acid moisturizer, 2-5 parts of glycerin, 0.01-0.05 parts of squalene and 0.02-0.05 parts of methyl parahydroxybenzoats. According to the lotion, the peppermint hydrolat is taken as a bottom material, other skin care components are added, and the moisturizing, anti-inflammation, whitening and anti-ageing efficacy is realized.

The invention discloses an alcohol-ether-ester methanol fuel. The alcohol-ether-ester methanol fuel is prepared from the following raw materials in percentage by weight: 60-80% of methanol, 10-20% of lower alcohol, 5-15% of ether and 5-12% of ester, wherein the lower alcohol is a mixture of ethanol, propanol, glycerol and isobutanol, the ether is a mixture of ethyl tertiary-butyl ether, methyl tert-pentyl ether, ethyl tert-pentyl ether and diisobutyl ether and the ester is a mixture of ethyl acetate, diethylene glycol fatty acid ester and dibutyl phthalate. By the alcohol-ether-ester methanol fuel, the problems of insufficient power, corrosiveness and swelling properties of the alcohol fuel are solved, the automobile engine need not to be modified, the gasoline can be directly replaced, the methanol fuel is clean and environmentally friendly, the exhaust emission is greatly reduced and the cost is low.

The invention discloses a whitening allergy-resistant mask. The whitening allergy-resistant mask comprises 1-10% of chamomile extract, 0.1-2% of haw extract, 1-10% of pearl powder, 1-4% of polyethylene glycol, 0.5-2% of glycerin, 5-20% of honey and the balance water. The whitening allergy-resistant mask has effects of resisting allergy and whitening skin.

The invention discloses a facial mask added with peony extract and a preparation method thereof. The facial mask is prepared from the following raw materials: peony extract, nicotinamide, inositol, oil-soluble vitamin E, an emulsifier, chrysanthellum indicum, honeysuckle flower, pseudo-ginseng root, eucommia bark, glycerin, low-molecular hyaluronic acid, an antibacterial agent and deionized water. According to the invention, substances like a peony flower stock solution, peony seed oil, chrysanthellum indicum, inositol, low-molecular hyaluronic acid, honeysuckle flower and pseudo-ginseng root are mixed to form a compound, so the whitening and skin-tendering facial mask suitable for modern women is formed; and the facial mask can effectively improve the antioxidant capacity of skin, injects sufficient moisture into skin, prevents moisture in the stratum corneum of skin from evaporating, enables loaded plant essence to be easily absorbed, maintains the face to be moist, has good whitening and repairing effects, can effectively remove free radicals in skin, prevents accelerated aging of facial skin, reduces facial wrinkles and has ideal antioxidation and skin aging delaying effects.

The invention belongs to the field of pharmaceutical preparations and discloses a baicalein nano-suspension and a preparation method thereof. A prescription of the baicalein nano-suspension comprisesthe following substances in percentage by mass: 0.1 to 2 percent of baicalein-phospholipid complex, 0.05 to 10 percent of phospholipid, 0.1 to 3 percent of F-68, 1 to 10 percent of glycerol and the balance of water. The baicalein nano-suspension and the preparation method thereof, provided by the invention, have the advantages of simple technology, cost reducing and relatively low energy consumption; the drug-loading amount of the preparation is improved, the stability is improved and the safety is high.

The invention relates to a method for determining content of crosslinked glucan filled in sodium hyaluronate gel. The method comprises the following steps: 1) using a pyrolysis gas chromatography-massspectrometry method for pyrolysis analysis of a plurality of groups of pure crosslinked glucan products with different masses and obtaining the linear relationship between the peak area and the massof a characteristic cracking peak according to a pyrolysis chromatogram; wherein the characteristic cracking peak is a characteristic cracking peak of glycerol; 2) performing the pyrolysis analysis ona sample to be tested, obtaining the peak area of the characteristic cracking peak of the sample to be tested according to the appearance time of the characteristic cracking peak, and obtaining the mass or content of the crosslinked glucan filled in the sample to be tested. The method is simple and quick to operate, and is accurate and reliable in results.

The invention discloses a functional accessory ingredient for plastic processing and a preparation method thereof. Each raw constituent of the functional accessory ingredient is prepared in parts by weight: 90-100 parts of light calcium carbonate powder, 3-5 parts of calcined Zeolite powder, 2-2 parts of attapulgite, 1-2 parts of straw ashes, 3-5 parts of zinc oxide, 3-5 parts of gas-phase silica, 1-2 parts of methacrylate polymer, 1-2 parts of polyethylene wax, 1-2 parts of sodium alkyl benzene sulfonate and 1-2 parts of glycerol. The preparation method comprises the following steps: continuously oven-drying light calcium carbonate until the water content is below 0.3 % and putting the calcium carbonate into a high-speed kneading machine, then adding other ingredients by weight percentage, and then heating the mixture to 100-130 DEG C, and stirring under heat insulation for 8-10 min, and discharging the materials to obtain the finished products. The functional accessory ingredient for plastic processing provided by the invention reduces the surface energy among the particles and enhances the compatibility and the dispersity; the invention also promotes the plastication of high polymer material, reduces melt viscosity, improves processing flowability, improves impact strength, rigidity, heat resistance and size stability, and has the features of energy conservation, environmental friendliness, no poison and no waste water, no waste gas and no waste residues.

The invention discloses a method for obtaining a cigarette core temperature curve of a heating cigarette based on stable puff-by-puff release of glycerol, which is completed on the basis of the following working principle: propylene glycol, nicotine and glycerol are cooperatively released in the heating process of a heating cigarette product, the release of glycerol is of great significance to thesmoke stability, the release of the basic components is controlled by a primary chemical reaction, the release rate meets the Arrhenius equation, and a temperature rise curve of the cigarette core ofthe heating cigarette product based on stable release of glycerol is obtained by obtaining the cigarette core temperature corresponding to the cigarette core puff by puff. The method has the advantages that on the one hand, the utilization rate of added components is increased through stable release of characteristic substances, the smoke stability is regulated and controlled, and the sensory enjoyment of consumers in the smoking process is improved; and on the other hand, a method basis based on stable release of glycerol is provided, a foundation is laid for a stepped heating cigarette heatsource temperature control curve, and technical support is provided for coordination control over the smoke release stability of the heating cigarette product and the heat source temperature rise curve.