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354results about How to "Protect color" patented technology

Method for manufacturing dendrobium officinale fresh juice stock solution

InactiveCN102008654ANot easy to clarifyNot easy to filterMetabolism disorderAlcoholic beverage preparationFlavorAdditive ingredient
The invention discloses a manufacturing method for extracting and processing fresh juice stock solution by using dendrobium officinale as a raw material. The method furthest protect the color, flavor, nutrition and effective ingredients of dendrobium officinale fresh juice by surface sterilization of the collected fresh dendrobium officinale and technology of juicing, enzymolysis, vacuum degasification, micro-filtration, ultra-filtration, sterile filling, high-temperature instantaneous sterilization and the like, and meanwhile, the product is favorable for storing and realizing industrialized production. The dendrobium officinale is processed into the dendrobium officinale fresh juice stock solution which is easy to store, convenient to carry, simple to administrate, good in mouthfeel and easy to absorb and has health-care nutritional components and medicinal functions; the fresh juice stock solution does not contain any additive; and the content of the fresh juice stock solution reaches over 99 percent. The dendrobium officinale fresh juice stock solution can be administrated separately, also can be added into mineral water to form health-care beverage, also can be dissolved into wine to form nourishing health-care wine, and can be added into high-grade dishes to form nourishing dishes for eating.
Owner:杨军

Low-density coated ceramsite proppant and preparation method thereof

The invention relates to a low-density coated ceramsite proppant and a preparation method thereof, and belongs to the field of petroleum proppants. A ceramsite base material and mixed resin coating the surface of the ceramsite base material are adopted, so that compared with the traditional proppant, the breaking-resistant capacity is greatly improved, the breaking rate is much lower under the condition of the same consumption of resin, and the low-density coated ceramsite proppant can be suitable for deeper well fracturing. Compared with the traditional proppant, the production cost is lower, the chemical inertness is better, the fracturing effective period can be prolonged, and the low-density coated ceramsite proppant is suitable for the fracturing construction under various complicated stratum environment conditions and is higher in flow conductivity.
Owner:CHONGQING CHANGJIANG RIVER MOLDING MATERIAL GRP

Production method and product of fermented green plum wine

The invention discloses a production method of a fermented green plum fruit wine and a product thereof. The production method comprises the following steps: picking, cleaning and smashing on fresh green plum fruit utilized as a raw material, adding pectinase and cellulase to perform enzymolysis at 15-18 DEG C, then adding potassium tartrate to adjust and reduce the acidity at minus 6 DEG C to minus 8 DEG C, and using anion exchange resin to perform adsorption and reduce the acidity to 15g / L which is favorable for fermentation; placing clear juice in a fermentation tank, adding Saccharomyces cerevisiae to perform low-temperature fermentation; and adding bentonite and tannin in the fermented wine solution to perform compound purification, then performing low temperature freezing and clarification, blending, removing bacteria and filtering. The method has the advantages of good acidity-reducing effect and high composite enzymolysis juice yield; and by adopting the composite purification and freezing, the stability of the wine can be enhanced. The method is suitable for the production of the fermented green plum fruit wine.
Owner:YUNFU HUANAN LIQUOR

Preparation method of Chinese wolfberry powder

The invention discloses a preparation method of Chinese wolfberry powder, comprising the steps: using fresh or dry wolfberries as main raw materials; obtaining a wolfberry powder product by processing the fresh or dry wolfberries through the procedures of picking, cleaning or soaking, protecting color, pulping, grinding rubber, secondary processing, blending, homogenizing, sterilizing, concentrating, dry spraying, drying fog, collecting powder, sieving, packing and storing products, wherein the secondary processing procedure comprises the steps: reprocessing filtered coarse residues; decomposing the filtered coarse residues by adding pectinase; reprocessing the filtered coarse residues after being returned into a colloid mill; processing non-enzymatic coarse residues by adopting micronization to obtain fine powder; recovering the fine powder into a powder collecting bin; and then, obtaining a wolfberry powder product by processing the fine powder through the procedures of sieving, packing and storing products. The Chinese wolfberry powder has good color, high solubility, good mouth feel, no side effect, short production period and high profit. The preparation method of Chinese wolfberry powder provides high-quality powdered food for increasing the physical quality of humans and can be widely applied to the industries of food, health products, and the like.
Owner:WUXI VOCATIONAL & TECHN COLLEGE

Production method of color fabric imitating cowboy style

The invention discloses a production method of a color fabric imitating cowboy style and relates to the technical field of production of woven fabrics. The production method comprises the techniques of slashing, weaving, dyeing gray fabrics, washing and desizing, finishing and the like. Warp and weft yarn components prepared from different materials are selected for weaving and the dyeing difference of the warp and weft yarn components is utilized, so that the whitening effect of dyed fabrics can be realized; a color separating agent with dye-retarding capability is added into a sizing agent for slashing, and is mixed and sized, so that the color separating agent can be uniformly distributed on the surfaces of warp yarns; when the woven fabrics are dyed by adopting active, indigo blue or reducing dye, the dyeing of dye is stopped by a covering area of the woven fabric, and stripe-shaped color spots with different depths in the direction of warp yarns can be obtained after amylase is adopted at later stage for performing desizing treatment, so that the grey effect of traditional yarn dyed denims is realized. The color imitated denim produced by using the production method has the advantages of vivid style, abundant colors, simple process, high production efficiency, high color fastness and the like.
Owner:JIANGSU LIANFA TEXTILE

Dry processing method for cistanche deserticola

The invention discloses a dry processing method for cistanche deserticola, which belongs to the technical field of agricultural product processing. The method comprises choosing fresh cistanche deserticola fleshy stem, cleaning up, slicing, blanching at high temperature of 100 DEG C to 120 DEG C to extinguish enzyme and sterilize for 60 seconds to 120 seconds, drying through air flow impact at the temperature of 50 DEG C to 80 DEG C for 5 hours to 10 hours, cooling after being dried, and finally packing to obtain. The method uses blanching, enzyme extinguishing and sterilizing processing, thereby effectively restraining activity of enzyme and microorganisms, reducing mildew of fresh cistanche deserticola and loss in drying processes, preventing color and luster of the cistanche deserticola and improving quality of products. Air injection flow impact drying technology is utilized, so that drying speed of cistanche deserticola is effectively improved, drying time is shortened, and energy consumption in drying processes is saved.
Owner:CHINA AGRI UNIV

Processing method of wheat seedings as well as instant wheat seeding powder and wheat seeding fiber powder prepared from same

InactiveCN103300293AGrassy odor reductionGrassy smell will not appearFood preparationAgricultural engineeringSpray dried
The invention discloses a processing method of wheat seedings as well as instant wheat seeding powder and wheat seeding fiber powder prepared from the same, and aims to solve the problem that the wheat seedings can be protruded during the processing by adopting the existing wheat seeding juice powder preparation process, for example, in part of methods, hot air being 145-165 DEG C is used for drying, the processing time is slightly long, and the product quality is seriously influenced. The wheat seedings are processed by adopting a wall-adhering-resisting spray control drying method, the blanching temperature can achieve 95 DEG C-98 DEG C, and enzyme and functionality components in the seedlings are greatly destroyed. The processing method comprises the following steps of: preprocessing, color protecting, pulping, filtering, homogenizing and spray drying. The processing method provided by the invention is capable of effectively reducing the blanching temperature, the functionality components are reserved to be maximum extent, meanwhile, wheat seeding juice is directly sprayed, a relatively good spraying effect is obtained through controlling spraying process parameters, the process is simple, the operating method is simple, the spraying time is short, and a product is not easy to block.
Owner:SICHUAN AGRI UNIV

Microwave drying method for preparation of pitaya flower tea

The invention discloses a microwave drying method for preparation of pitaya flower tea. The method is as below: drying fresh pitaya flowers a microwave oven; heating 3-5 times, after each heating, taking the fresh pitaya flowers from the microwave oven, rapid cooling by cold air to 25-30 DEG C, and then placing the fresh pitaya flowers into the microwave oven for the next drying; successively reducing the output power of the microwave oven and then carrying out several times of alternate heating and rapid cooling; when the water content of the pitaya flowers is no higher than 5%, taking the pitaya flowers out of the microwave oven, drying by cold air and cooling to obtain the pitaya flower tea. The method not only can maintain the shape and color of pitaya flower, and but also better retains the active ingredients, reaches good flavor, texture and reconstitution property, and improves the quality of the pitaya flower tea.
Owner:GUIZHOU FRUIT INST

Method for compounding epoxy-terminated allyl alcohol polyoxyethylene ethers

The invention relates to a method for compounding epoxy-terminated allyl alcohol polyoxyethylene ethers, which belongs to the synthesis technology field of organic compounds, and uses allyl alcohol polyoxyethylene ethers and epichlorohydrin as raw materials, adds catalysts into the allyl alcohol polyoxyethylene ethers, is slowly added with epichlorohydrin drop by drop under the protection of nitrogen, filters and recycles the catalysts after finishing a reaction, distills and recycles the epichlorohydrin by reducing pressure, adds solid alkali and quaternary ammonium salt catalyst into a chlorohydrin ether intermediate, reacts for a period of time under the protection of the nitrogen, is added with a neutralizer to neutralize after being filtered to discharge salt, and then is added with an adsorbent to prepare finished products by refining. The method for compounding the epoxy-terminated allyl alcohol polyoxyethylene ethers is applied to compound the epoxy-terminated allyl alcohol polyoxyethylene ethers, effectively recycles the catalysts above 15 times, prevents strongly acidic catalysts from affecting equipment and operation environment, further achieves balance of ending ratio and color, gives high reaction activities for products simultaneously, and also guarantees quality indicators of finished products.
Owner:ZHEJIANG HUANGMA TECH

Method for preparing instant purple sweet potato microcapsule full powder

The invention discloses a method for preparing instant purple sweet potato microcapsule full powder, which comprises the following steps of: preprocessing, pulping, preparing wall material solution, mixing, homogenizing, spray drying and the like. By combining the selection of a specific wall material with operating steps and the selection of parameter conditions, two procedures of color protection and microcapsulation are integrated, so the method has the advantages of simple flow and easy operation, can maintain coloring matters, nutrients, flavor substances and the like of purple sweet potatoes to the maximum, and the obtained finished product purple sweet potato microcapsule full powder has the advantages of fine granules, large specific surface area, low viscosity, good dispersability and high water absorption speed.
Owner:XIHUA UNIV +2

Orange peel jam with breaking-wall cell and preparation

A tangerine peel jam is prepared from fresh tangerine peel, sugar, flavouring and water through washing fresh tangerine peel, boiling in rice vinegar, rinsing for removing bitter taste, adding sugar and acid, breaking cell wall, and concentrating. It has high utilization rate of carrotene and micro nutrients.
Owner:湖南鸿维进出口贸易有限公司

Preparation method of fruit can

The invention discloses a preparation method of a fruit can and belongs to the technical field of canned food processing. The preparation method comprises the following steps: 1, cleaning, by weight, 45-60 parts of fresh fruits, removing peel, cutting the fruits into pieces, and removing kernels; 2, preparing a plant extract, wherein 5-10 parts of dry honeysuckle and1-3 parts of green tea are picked, deionized water with weight part 10 times the sum of the weight parts of the dry honeysuckle and the weight parts of the green tea is added, after the mixture is boiled, the boiling is continued for 25-45 minutes, the filtration is conducted, filtrate is picked, and the plant extract is obtained; 3, conducting pre-boiling, wherein the fruits which are pre-treated ready are placed into water at the temperature ranging from 90 DEG C to 100 DEG C for conducting the pre-boiling for 1-3 minutes, then 0.5-1 part of color fixative is added, the boiling is continued for 0.5-1 minute, fruit pulp is fished out, and the cooling is conducted; 4, preparing sweet water; 5, conducting canning; 6, conducting sealing and sterilization. Compared with the prior art, the fruit can prepared through the method has the advantages of being rich in nutrition, not prone to causing excessive internal heat and good in color and luster.
Owner:SICHUAN HUIQUAN CANNED FOOD

Process for producing cherry juice concentrate

The invention discloses a process for producing a cherry juice concentrate. The process comprises the steps as follows: washing cherries, crushing, removing stones, inactivating enzymes, cooling, leaching, cooling, performing enzymolysis, juicing, performing pasteurization, clarifying enzymatic hydrolysates, performing ultrafiltration, concentrating, performing pasteurization again, and packaging. The process improves the quality of the cherry juice concentrate. The cherry juice concentrate has a red brown or scarlet color, and is clear and free of sediments or suspended substances. The content of soluble solids is more than 60.0 Brix. When diluted until the content of soluble solids is 13.5 Brix, the cherry juice concentrate maintains the fragrance and flavor of cherries and smells good.
Owner:LINGBAO BRANCH OF SHAANXI HAISHENG FRESH FRUIT JUICE CO LTD

Compound antifreeze agent and application thereof

InactiveCN104798868AHigh and low temperature protection activityIncrease added valueMeat/fish preservation using chemicalsBiotechnologySweet flavor
The invention discloses a compound antifreeze agent and application thereof and belongs to the field of food processing. The compound antifreeze agent in the formula comprises the following components in parts by weight: 2 to 8 parts of antifreeze polypeptide, 2.5 to 4.5 parts of trehalose and 0.2 to 0.5 part of polyphosphates. According to the compound antifreeze agent disclosed by the invention, the antifreeze polypeptide is taken as a main protecting agent and is combined and compounded with micromolecules to obtain a high-efficiency compound low-temperature protection formula; by using the high-efficiency compound low-temperature protection formula, the stability of minced fish products can be better kept in the low-temperature storage process of the minced fish products, the gel strength and the water holding capacity of surimi products are improved, and the protection can be provided for low-temperature storage and transportation of the surimi products; a preparation process of the antifreeze polypeptide is mature and simple and low in production cost, and is suitable for industrial production; in addition, the antifreeze polypeptide is high in low-temperature protection activity and sweetness-free, and can be used for keeping the flavor of the surimi products.
Owner:FUZHOU UNIV

Applicator glove for application of staining compositions and self-tanning kit including same

A kit for application of self-tanning preparations includes a self-tanning composition and an application glove for applying the composition to the skin which is constructed from fabric including microfibers of 1 denier or less. The inner surface of the glove has a liner of an impermeable flexible material adhered thereto. The microfiber fabric can be knit or woven, and can be cellulosic fiber, polyester or other synthetic fiber, or a combination of mechanical or intimate blends. In a preferred embodiment, the microfiber fabric is 85% polyester and 15% spandex, with the technical front including polyester microfiber yarn of 1 denier or less. The technical front of the fabric forms the application surface of the glove. The kit can include a cleansing / exfoliating composition, at least one disposable plastic glove for handling the application glove after use, a disposable tray for receiving the glove after use and a moisturizing preparation for the skin.
Owner:PRO TECH NYC

Fresh keeping agent, preparation method thereof, and application of fresh keeping agent in fresh keeping treatment of dishcloth gourds

The invention provides a fresh keeping agent, a preparation method thereof, and the application of the fresh keeping agent in fresh keeping treatment of dishcloth gourds. The fresh keeping agent comprises chitosan, L-cysteine, cinnamic aldehyde and water, and the pH of the fresh keeping agent is 5.6-6.5. The chitosan can form semipermeable membranes on the surfaces of the dishcloth gourds, so that restraining the loss of water on the cuticle of the dishcloth gourds is facilitated, and the depletion of substances in the dishcloth gourds is delayed; the L-cysteine is beneficial to protecting the color of the cuticle of the dishcloth gourd, restraining the oxygenolysis of cuticle chlorophyll and avoiding generating black spots; the cinnamic aldehyde is beneficial to restraining the dishcloth gourds from infecting pathogenic bacteria microorganisms during storage and restraining the dishcloth gourds from being decomposed; the chitosan, the L-cysteine and the cinnamic aldehyde all contain functional groups which are easy to form hydrogen bonds, so that when synergistic effects of the chitosan, the L-cysteine and the cinnamic aldehyde are exerted, improving the compactability, the inoxidizability and the bacteriocidal property of the semipermeable membranes formed on the surfaces of the dishcloth gourds by the chitosan is facilitated. The pH is controlled within the range, which is close to the autologous pH of the dishcloth gourds, so that further improving the fresh keeping effect of the fresh keeping agent is facilitated.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES

Instant scallop adductor and preparation method thereof

The invention discloses instant scallop adductor and a preparation method thereof, which belong to the technical field of food science. The instant scallop adductor takes scallop adductor as a raw material and is prepared through the steps of selection, cleaning, precooking, seasoning, dipping, drying, baking, vacuum packaging and counter-pressure sterilization of the raw material. The product is white, has unique flavor of scallops, and contains 45 to 60 percent of water, protein accounting for 60 to 70 percent of the dry weight of the product, fat accounting for 1 to 2 percent of the dry weight of the product, colonies of which the total number is less than or equal to 8,000 cfu / g, coliforms which are less than or equal to 30 MPN / 100g, and no detected pathogen. The method has the advantage of short processing time; and the finished product is instant and can be stored at the normal temperature. The instant scallop adductor and the preparation method thereof provided by the invention play an important role in promoting the rational utilization of scallop resources, forming a post-production processing industrial chain and adjusting a scallop processing industrial structure, and are of far reaching importance in promoting the sustainable development of the economic structure of agriculture in scallop producing areas in China and social progress.
Owner:HEBEI AGRICULTURAL UNIV.

Environment-friendly propylene pigment containing tea stalk powder and preparation thereof

The invention discloses an environment-friendly propylene pigment containing tea stalk powder. The propylene pigment comprises an agent A and an agent B, wherein the agent A comprises a thickener, Arabic gum, water, the tea stalk powder, polyacrylic emulsion, a dispersant, pigment powder, a wetting agent and a preservative; and the agent B comprises acrylic resin, a thickener, distilled water, a dispersant, a defoaming agent, a preservative, a filler and a wetting agent. After the agent A is used for 3-5d, the agent B is sprayed to the surface of the agent A, so that the color of the pigment can be effectively protected, the pigment is unlikely to fade, weather-resistant and pollution-free, the original color of the pigment is not changed, and the color fullness of the pigment is improved. Tea polyphenol in tea stalks can react with harmful gases such as formaldehyde and dimethyl benzene to form non-volatile harmless high molecular chain matters, so that the harmful gases in air are effectively cleared. However, the utilization rate of the tea stalks is low at present, so that great resource waste is produced. The tea stalk powder is added in the pigment, so that the utilization rate of the tea stalks is improved, and the prepared pigment is environment-friendly and pollution-free.
Owner:福建春伦集团有限公司

Method for preparing ultrafine black tea powder by wet-process grinding

The invention provides a method for preparing ultrafine black tea powder by wet-process grinding. The method comprises the following steps: withering, rolling and primarily grinding fresh tea leaves and then fermenting; carrying out microwave enzyme deactivation to keep primarily-formed tea powder color and luster, and aroma of the tea leaves; mixing the cooled primarily-grinded leaves with a cellulase-pectase solution to prepare a tea water mixed liquid; grinding the tea water mixed liquid for 2-3 times at intervals by using a pipeline type high-shearing grinding machine; carrying out beta-CD burying on the crushed tea pulp; and then carrying out high-temperature instant sterilization, and spraying and drying to obtain the ultrafine black tea powder. The method for preparing the ultrafine black tea powder has low energy consumption and small noises; and the prepared ultrafine black tea powder has less loss of nutrition ingredients, fine powder, good color and luster, good wettability and excellent mouth feel.
Owner:SHENBAO INDAL CORP SHENZHEN

Harvesting and processing method of Carya illinoensis

The invention discloses a harvesting and processing method of Carya illinoensis. The method includes the following steps that an ethephon preparation with concentration of 200 mg / kg is sprayed to bearing branches for one time four weeks before harvesting of the Carya illinoensis, and Ca(OH)2 is used for adjusting a power of hydrogen (PH) value to be 7.0; when the ethephon preparation is sprayed for two weeks and 70% of fruit episperm is cracked, the Carya illinoensis is harvested; deadwood and sundries under trees are cleared away, and a black mesh fabric is spread; a machine shakes the bearing branches, fruits falling on the mesh fabric are timely collected, sundries are removed, episperm which is not cracked is removed in a huller, and the fruits are washed by running water; and rinsing, ozone disinfection and drying with a drying machine are performed so that moisture contents of the fruits are lower than 4.3%, and storage is finally performed. By means of the harvesting and processing method, fruit maturity periods of the Carya illinoensis can be unified, natural fruit drop is reduced, a launch date of the fruits is shifted to be earlier, output is improved, fruit cracking and fruit color changing caused by solarization are avoided, and qualities of the fruits are improved so that selling prices of the Carya illinoensis are effectively increased.
Owner:INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI

Method for preparing lyophilized donkey milk powder by low temperature sterilization

PendingCN105724585ANo change in nutrientsProtect NutrientsMilk preparationSolubilityDesorption
The invention relates to the technical field of deep processing of food, in particular to a production method for preparing lyophilized donkey milk powder by low temperature sterilization, which is characterized by comprising the steps of pretreatment of fresh donkey milk, standardization, emulsification, high-pressure homogeneous emulsification, low temperature concentration sterilization, freezing, sublimation, desorption drying, powder collection and unboxing, milling and mixing and the like. In embodiments of the invention, twice homogenization, vacuum low-temperature sterilization, low-temperature freezing, sublimation and drying are performed, to maximally protect nutrients in raw milk, especially heat-labile active substances; meanwhile, the new homogenization process and the low-temperature sterilization process are employed, so that the yield of donkey milk powder is increased significantly; the rehydration and instant solubility of donkey milk powder are excellent; a gap in the market of lyophilized donkey milk powder at present is filled.
Owner:张筱康 +1

A continuous ring-opening production process for epoxy-terminated polyether

The invention relates to a continuous ring-opening production process for epoxy-terminated polyether and belongs to the technical field of organic polymer compounds. Allyl alcohol polyoxyethylene ether and epichlorohydrin are adopted as raw materials. The process includes mixing the allyl alcohol polyoxyethylene ether and the epichlorohydrin, heating, continuously feeding the mixture to a two-stage fixed bed reactor, performing a ring-opening reaction under catalysis of a solid superacid, adding a product collected by a collecting tank at the lower end of the reactor to a reaction kettle through a metering pump every 2-4 h, adding an alkali and a quaternary ammonium salt catalyst, stirring for 1-4 h while maintaining the temperature, filtering to obtain a crude product, performing vacuum distillation to recover the epichlorohydrin, and purifying to obtain a qualified product. The process is applied for producing the epoxy-terminated polyether, and has advantages of a high equipment utilization rate, a high production efficiency, and the like.
Owner:ZHEJIANG HUANGMA TECH

Highly-efficient color-protecting liquid laundry detergent and preparation method thereof

The invention mainly relates to the field of washing compositions with a surface active compound as a base material, specifically to a highly-efficient color-protecting liquid laundry detergent and apreparation method thereof. The highly-efficient color-protecting liquid laundry detergent is characterized by being prepared from the following components by uniform mixing in terms of mass percent concentration (%): 15% to 30% of a multi-element surfactant, 0.1% to 3% of a color-protecting agent, 1% to 5% of a chelating agent, 0% to 5% of a fluorescent whitening agent, 0.1% to 1% of a preservative, 0.1% to 1% of an essence and 0.1% to 1% of a thickening agent, with the balance being water. The highly-efficient color-protecting liquid laundry detergent provided by the invention has good washing effect, reduces the loss of fabric color, and prevents colors from crossing in fabric washing.
Owner:SHANGHAI BAIMAO

Preparation method of double-epoxy blocked polypropylene glycol

The invention belongs to the technical field of chemical industry, and particularly relates to a preparation method of double-epoxy blocked polypropylene glycol. The preparation method comprises the following steps: (1) dropwise adding a certain amount of NaH into a dripping reaction kettle, stirring, starting a condenser, vacuumizing to slowly suck epoxy chloropropane into the kettle, and then introducing nitrogen until the pressure is 0.4MPa for later use; (2) adding a certain amount of polypropylene glycol and a phase transfer catalyst into a blocking reaction kettle provided with a reflux condensing device, replacing the nitrogen in the kettle, slowly introducing nitrogen, slowly adding a mixture of NaH and epoxy chloropropane obtained in the step (1), and then heating for a certain time to obtain a crude product; and (3) filtering and desalting the crude product obtained in the step (2), adding a neutralizing agent for neutralization, subsequently vacuumizing for recycling epoxy chloropropane, then adding an adsorbent and refining to obtain a qualified finished product. The double-epoxy blocked polypropylene glycol prepared by the method disclosed by the invention has the advantages of light color (smaller than or equal to 40, platinum-cobalt colorimetric method) and high blocking rate (larger than or equal to 95%).
Owner:ZHEJIANG HUANGMA TECH

Preparation method of glycidol ether base end-capped allyl alcohol random polyether

The invention relates to a preparation method of glycidol ether base end-capped allyl alcohol random polyether, which comprises the following steps: (1) adding NaH into a dropwise addition reaction kettle, starting a stirrer and a condenser, vacuumizing to slowly suck epoxy chloropropane into the kettle, and then charging nitrogen gas to 0.4 MPa for later use; (2) adding allyl alcohol random polyether and a phase-transfer catalyst into an end-capping reaction kettle with a reflux condensing device, performing in-kettle nitrogen replacement, then slowly introducing nitrogen gas, slowly adding the NaH and epoxy chloropropane mixture in the step (1), and then performing temperature reaction for a period of time to obtain a crude product; and (3) filtering the crude product to remove salt, neutralizing with neutralizer, then vacuumizing to recover the epoxy chloropropane, adding adsorbent, and refining to obtain the qualified finished end-capped product. The preparation method can satisfy the requirements of high-end products for end-capping rate and color, and is easy to realize industrial application.
Owner:ZHEJIANG HUANGMA TECH

Plasma active water vacuum-packed red meat fresh keeping system and method

The invention belongs to the field of food fresh keeping, and relates to a plasma active water vacuum-packed red meat fresh keeping system. The plasma active water vacuum-packed red meat fresh keepingsystem comprises a solution mixing pond, a plasma processing chamber, an atomizing spraying module, red meat, a conveyor belt, a water circulation module and a vacuum packing module, wherein the solution mixing pond is connected with the plasma processing chamber through a pipeline; the plasma processing chamber is connected with the atomizing spraying module through the pipeline; the atomizing spraying module is connected with the water circulation module through the pipeline; the atomizing spraying module is used for spraying the red meat on the conveyor belt; and the vacuum packing moduleis used for performing vacuum packing on the sprayed red meat. The invention also provides a plasma active water vacuum-packed red meat fresh keeping method. According to the plasma active water vacuum-packed red meat fresh keeping system disclosed by the invention, plasma active water has the comprehensive characters of sterilizing, resisting bacteria and containing color protecting factors; thecolor of the red meat is kept stable, the antibacterial capacity of the vacuum packing is enhanced, the shelf life of the red meat is greatly prolonged, and the plasma active water vacuum-packed red meat fresh keeping method is a green and economical red meat fresh keeping method.
Owner:SOUTH CHINA UNIV OF TECH

Processing and preservation of ready-to-eat crayfish

The invention discloses a processing and preservation method of ready-to-eat crayfish. The method includes the steps of selecting materials, cooking the materials, adding a preservative and fresh-keeping agent, performing sterilization and storing the cooked crayfish. According to the method, the special preservative and fresh-keeping agent is employed with normal pressure steam cooking and vacuum packaging, so that the method, through scientific optimization and cooperative effect, has very excellent preservation effect on the cooked crayfish. The special preservative and fresh-keeping agent is added to the raw material crayfish before and after the cooking process is finished, and then the crayfish is vacuum-packaged and steam-cooked under normal pressure, and finally is refrigerated in a refrigerator being lower than 5 DEG C. The ready-to-eat crayfish can maintain pure color, refreshing flavor and moderate tissue hardness within shelf life being 6 months, and has a special taste of crayfish.
Owner:安徽民祯生物工程有限公司

High efficient washing agent composition for washing textiles

The invention relates to a high efficient washing agent composition for washing textiles. The washing agent composition is prepared from the following raw materials in parts by weight: 5 to 10 parts of fatty acid diethanol amide, 5 to 10 parts of dodecyl dimethyl benzyl ammonium chloride, 5 to 10 parts of dodecyl dimethyl betaine, 5 to 10 parts of chitosan, 1 to 5 parts of fatty acid methyl ester sodium sulfonate, 0.5 to 2 parts of sodium alginate, 0.5 to 3 parts of sodium sulfate, 0.5 to 3 parts of sodium perborate, 1 to 3 parts of sodium citrate, 1 to 3 parts of triethanolamine, 1 to 5 parts of hydroxypropyl methyl cellulose sodium, 1 to 5 parts of polyvinylpyrrolidone, 1 to 5 parts of oxidized corn starch, 0.5 to 1 part of tea saponin, 0.5 to 2 parts of bactericide, 0.5 to 2 parts of chelating agent, 0.1 to 0.5 part of essence, 5 to 10 parts of glycerin, 5 to 10 parts of ethanol, and 20 to 50 parts of deionized water. The provided washing agent composition has the advantages of strong decontaminating performance, nonirritant property, environment-friendliness, good color-protecting performance, and bactericidal function, and can be used to wash various textiles such as clothes, bedding, bed sheets, towels, and the like.
Owner:王玉芹

Antipollution wall flexible stone decorating material and production method thereof

The invention discloses antipollution wall flexible stone decorating material and a production method thereof. The antipollution wall flexible stone decorating material sequentially comprises an adhering surface layer, a reinforced material layer, a real stone slurry layer, a color spraying layer, a transparent weather-proof protecting layer and a solid anti-pollution layer which are tightly overlaid from bottom to top. The production method includes: producing real stone slurry for the real stone slurry layer; sequentially producing the reinforced material layer, the real stone slurry layer, the adhering surface layer, the color spraying layer, the transparent weather-proof protecting layer and the solid anti-pollution layer; rolling, cutting, inspecting and packing. The antipollution wall flexible stone decorating material is quite good in flexibility, weather resistance and pollution resistance, high in manufacturing efficiency, free of high-temperature sintering, energy saving, environmental friendly, vivid in decorating effect, simple and convenient in construction, and promising in market prospect.
Owner:DONGYING RUIYUAN SPECIAL BUILDING MATERIALS
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