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502results about How to "No bad smell" patented technology

Mushroom flavor sauce and manufacturing process thereof

The invention relates to mushroom flavor sauce and a manufacturing process thereof. The mushroom flavor sauce comprises the following raw material components by weight percentage: 30-70wt% of mushrooms, 10-50wt% of meat and 20-60wt% of thick chili sauce. In the processing process of the source, unique formulas and techniques are adopted and plant oil is used for mixing and frying abundant ingredients, so that the obtained source has a mellow flavor, palatable salty, spicy and numb tastes and has no bitter, acerb, parched tastes and other peculiar smells; and therefore, the mushroom flavor sauce provided by the invention sufficiently keeps the sauce flavor, ester flavor and mushroom flavor, has no bad smells, and has complete nutrition and a delicious taste.
Owner:CHENGDE MANMAN FOODSTUFFS

Acid-cleaning inhibiter for cleaning boiler and use method thereof

The invention discloses an acid-cleaning inhibiter for cleaning a boiler and a use method thereof. The acid-cleaning inhibiter comprises the following components by weight percent: 2.0%-10.0% of acid liquor, 0.08-0.25% of urotropine, 0.04-0.15% of dimethylbenzene thiourea or thiourea, 0.01-0.05% of thiocyanate, 0.03-0.12% of dodecyl-cetyl phenmethyl chloride or bromide, 0.05-0.12% of a surface active agent and the balance of water. Acids suitable for the acid-cleaning inhibiter include hydrochloric acid, citric acid, sulphuric acid, hydrofluoric acid, aminosulfonic acid and phosphoric acid, which are suitable for boiler steel, mild steel, alloy steel and steam steel. The inhibition effect of the invention is over 98% with less toxicity under the boiler chemical cleaning condition, the value of LD50 (orally taken by mice) is 5.74 g / kg. The invention can be stored for 2 years, resistant Fe<3+> ion is 800 mg / kg in the acid cleaning. The preparation method has simple steps, easily obtained raw materials and convention operation.
Owner:湖南省湘电试验研究院有限公司 +2

Low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method

The invention discloses a low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method. The method comprises the steps that: 1, the to-be-treated wastewater is collected by a sewage pipe network and then is filtered by lattices, and is lifted by a pump to enter a pulse water distribution pot of a novel efficient turn-back anaerobic biochemical pool (ABR); 2, the swage subjected to the treatment in step 1 flows into a circulation-flow biological oxidization pool; 3 the effluent water from the step 2 flows into an artificial reinforced biological contact oxidization pool reconstructed by a water body from natural tunnels and reservoirs; and 4, the effluent water from the step 2 or the step 3 flows into constructed wetlands. After the sewage is treated by the above steps, the most pollutants in the water are effectively removed and the treated effluent water reaches the standard first-grade A in GB 18918-2002 ''Discharge standard of pollutants for municipal sewage treatment plant''. The energy-saving sewage treatment purification process with low cost, low energy consumption, low carbon emission and low operating cost is particularly suitable for the sewage treatment in small towns or rural areas.
Owner:武汉昌宝环保工程有限公司

Coffee yoghurt and preparation method thereof

The invention discloses a coffee yogurt, which comprises the following raw materials by mass: 687.9-975.099 parts of cow milk, 50-100 parts of a coffee extract solution or 0.5-30 parts of coffee powder, 0.3-100 parts of a sweetening agent, 3-20 parts of a stabilizer, 1-10 parts of an emulsifier and 0.001-0.1 part of a fermentation strain. The invention also discloses a preparation method of the coffee yoghurt. The method includes the steps of: 1) mixing the coffee extract solution or coffee powder, the sweetening agent, the stabilizer, the emulsifier with the preheated cow milk until the raw materials are dispersed and dissolved; 2) conducting index detection, homogenizing and sterilizing; 3) cooling the mixed material, adding the fermentation strain, and carrying out constant temperature culture; and 4) performing cooling when reaching a fermentation terminal point. The coffee yogurt retains the nutritional value of both yoghurt and coffee, has a stable texture state and a good flavor acceptable to consumers.
Owner:BRIGHT DAIRY & FOOD

Gel composition containing tacrolimu and its preparation method and medicinal application

The invention relates to a gel composition containing tacrolimus, which contains the tacrolimus and ingredients of a matrix, wherein, the ingredients of the matrix contain one or more of liquid polyethylene glycol, glycerin and propylene glycol, the content of the tacrolimus in the gel is 0.01 percent to 0.5 percent, and the weight ratio of the tacrolimus to one or more of the liquid polyethylene glycol, the glycerin and the propylene glycol is 1: (50 to 3000). The invention further relates to a preparation method of the gel composition of the tacrolimus and the application of the gel composition in the preparation of drugs for the treatment of atopic dermatitis, vitiligo, psoriasis, hormone-dependent dermatitis, intractable neurodermatitis, lupus erythematosus, alopecia areata and other diseases.
Owner:杨喜鸿

Collagenic protein powder, and its preparing method and use

The present invention discloses a collagen protein powder, its preparation method and application. Its preparation method includes: using pork skin as raw material, defatting, cutting, hashing, soaking in alkaline solution, washing with water, soaking in acid solution, pulping, using proteinase to make hydrolysis, neutralizing separated supernatant fluid to neutrality, spray-drying to obtain the product collagen protein pwoder which has good solubility, has no bad smell and can be used for preparing health-care food, food additive, active component of cosmetics or medicine excipient.
Owner:JINAN UNIVERSITY

Processing method of vacuum refrigerating flavored prawn cake

InactiveCN103355699AGood lookingRetain rich nutrientsFood preparationReady to eatPrawn
The invention discloses a processing method of a vacuum refrigerating flavored prawn cake. The processing procedure comprises the following steps of: material selecting, pretreating, pulping, forming, steaming, cooling, traying, refrigerating fast, cutting, refrigerating fast, vacuum refrigerating and drying, sorting, metal detecting and packaging. The flavored prawn cake comprises the following raw materials in parts by weight: 70-80 parts of minced fillet, 20-30 parts of peeled prawns, 8-10 parts of soy protein isolate and 2-4 parts of prawn meat extract. The processing method of the vacuum refrigerating flavored prawn cake provided by the invention has the advantages that the product appearance is good in color, that the original rich nutrition ingredients and the special flavor and taste of the vacuum refrigerating flavored prawn cake are reserved, that other bad smell is not generated, and that the vacuum refrigerating flavored prawn cake can be stored for a long time even at normal temperature, has a shelf life as long as 12 months and is ready to eat.
Owner:HUBEI XINMEIXIANG FOODS

Processing method for Noni fermented juice and Noni fermented juice

ActiveCN101057700AImprove digestion and absorption performance and nutritional valueImprove compositionFood preparationMORINDA CITRIFOLIA FRUIT JUICE
The invention discloses a process for preparing fermented fruit juice which consists of choosing fruits and cleaning, sterilizing, activating bacterial, inoculating, fermenting, squeezing and filtering.
Owner:万宁万维生物科技有限公司

Process for preparing barley dry wine

A process for preparing dry highland barley wine includes soaking highland barley, steaming, mixing with high-temp.-resistant alpha-amylase, stirring, pressing, saccharifying, fermenting under 30 deg.C, squeezing, clarrifying, mingling and filtering. Its advantages are low content of sugar, and high quality and stability.
Owner:SHANGRI LA WINE CO LTD

Preparation method of novel smokeless mosquito-repellent incense

The invention discloses a preparation method of novel smokeless mosquito-repellent incense, belonging to the technical field of preparation of the mosquito-repellent incense. The novel smokeless mosquito-repellent incense is prepared by the steps of preparing sludge carbon powder, preparing paste, molding the paste, drying the molded paste, spraying chemicals onto a dry mosquito-repellent incense blank, and the like. According to the preparation method, sludge carbon is taken as an incendiary agent, and an inorganic substance in the sludge carbon is taken as a flame retardant, so that not only is a new way provided for the resource utilization of the sludge carbon, but mass disafforestation caused by the mosquito-repellent incense industry is also avoided, and the preparation method of the novel smokeless mosquito-repellent incense is beneficial to environmental protection. The novel smokeless mosquito-repellent incense is non-toxic and harmless and can meet the requirement of environmental protection for the product; after the novel smokeless mosquito-repellent incense is burnt and absorbed by the human body, asthma, nerve poisoning and cancers are not caused; the novel smokeless mosquito-repellent incense has a smooth appearance, is free from fracture and mildew spots, and has the breaking-resistant strength of 425-456g and the ignition point time of 8.61-9.01h; in the burning process, smoke is not generated; the novel smokeless mosquito-repellent incense avoids a phenomenon of broken-end flameout when being burnt to an iron-tooth disk.
Owner:庞用

Ultraviolet-cured silicone rubber for DIW (direct ink writing) 3D (three-dimensional) printing and preparation method thereof

The invention relates to ultraviolet-cured silicone rubber for DIW (direct ink writing) 3D (three-dimensional) printing and a preparation method thereof. The ultraviolet-cured silicone rubber is prepared from the following raw materials in percentage by weight: 50-80% of polysiloxane containing unsaturated groups, 1-10% of a sulfydryl-containing cross-linking agent, 0.1-10% of a photoinitiator, 1-10% of rheological modifier, 6-40% of a filler and 5-20% of reinforcing resin. According to the ultraviolet-cured silicone rubber and the preparation method thereof, the polysiloxane containing the unsaturated groups, the sulfydryl-containing cross-linking agent and the rheological modifier are subjected to quick reaction and curing under ultraviolet irradiation, proper rheological property enables DIW (direct ink writing) 3D (three-dimensional) printing to be carried out more efficiently, a printed product has the characteristics of high elasticity and high strength, especially shows outstanding advantages in the aspect of the strength, meanwhile, has appropriate hardness, and has no unpleasant smell after being cured, the toxicity is low, the pollution is small, and the size precision controllability of a printing material is realized.
Owner:SHANDONG UNIV

Alcohol base liquid fuel

The composition of alcohol base liquid fuel includes 50 portions of 99.9% methyl alcohol and 10 portions of 95% butyl alcohol as main burning agent, 10 portions of 98% ethyl alcohol as dispersing agent, 10 portions of industrial glycerine as solidifying agent, 1.5 portions of potassium permanganate as oxygenation agent, 0.8 portion of isobutyl alcohol as cosolvent, 0.5 portion of nonane, 0.5 portion of cyclohexane, 1 portion of n-octane, 1 portion of ethane as boiling point and flashing point regulating agent, 1.2 portions of triethanolamine as anticorrosive and carbon deposition resisting agent, 2.5 portions of rose essence and 1 portion of lavender oil as small-regulating agent and 10 portions of combustion promotor. Said invention also provides its preparation method.
Owner:TIANJIN HONGBO ENVIRONMENT PROTECTION FUEL NEW ENERGY SOURCE

Functional yoghourt rich in unsaturated fattyacids

The invention discloses functional yoghourt rich in unsaturated fattyacids. The functional yoghourt comprises at least one of sacha inchi oil, linseed oil and perilla oil, and also comprises fresh milk or milk powder, fermentation strains, emulsifying agents and water. According to the functional yoghourt, vegetable oil obtained by adopting a low-temperature cold pressing technology is adopted, the fresh milk or milk powder is subjected to fermentation by adopting composite strains, and after fermenting maturation, product oil is obtained after being compounded. The functional yoghourt is rich in the unsaturated fattyacids, has a good taste and a health-care function, can provide a new way for supplementing the unsaturated fattyacids, specially alpha-linolenic acid, and can provide a large quantity of good choices for consumers.
Owner:普洱联众生物资源开发有限公司

Full-automatic foam deodorizing closestool

InactiveCN101886423AGood and convenient atmosphereEasy to useWater closetsFlushing devicesAtmosphereToilet
The invention discloses a full-automatic foam deodorizing closestool which comprises a water tank, a urinal, a reservoir, a quantitative metering system and a blower. When people sit on a closestool cushion to relieve self, a water inlet pipe feeds water to the water tank; a metering tank feeds foaming liquid to the reservoir; the small blower blows air into the reservoir through the air pipe to enable the foaming liquid in the reservoir to produce foam; the foam flows into the urinal by gravity and covers the excrement, obstructs the foul gas emission of the excrement and plays the role of deodorizing, so that foul smell can not be generated when people relieve oneself; and after people relieve self, the blower stops operating, water in the water tank enters the urinal to flush, and simultaneously the quantitative tank feeds foaming liquid to the metering tank for use next time. The full-automatic foam deodorizing closestool has full-automatic overall operating process and convenient use and creates a good relieving atmosphere for users.
Owner:张允通 +1

Silica sol reinforced water-based organic silicone elastomer as well as preparation method and application thereof

The invention belongs to the field of organic silicone elastomers and discloses a silica sol reinforced water-based organic silicone elastomer as well as a preparation method and application thereof. The preparation method comprises the following steps: polymerizing organosiloxane monomers in the presence of a composite surfactant and a catalyst to obtain a linear polysiloxane emulsion, adding a cross-linking agent and a reinforcing agent in sequence to obtain an organic silicone elastomer emulsion, coating a matrix with the emulsion, and drying for forming to obtain the organic silicone elastomer. The organic silicone elastomer is prepared through an aqueous emulsion polymerization method in the presence if good-compatibility silica sol serving as the reinforcing agent, has the advantages of good flowability, convenience in coating and good mechanical property, and can be used as a waterproof coating, a fabric coating, an adhesive, putty or a sealing agent.
Owner:国科广化(南雄)新材料研究院有限公司

Blood-enriching skin-caring jelly for women

The invention discloses a blood-enriching skin-caring jelly for women. Needed raw materials comprise crystal sugar, yellow wine, citric acid, honey, nisin, donkey-hide glue, Chinese angelica, Chinese wolfberry, astragalus, red jujube, tuber of multiflower knotweed, black sesame, fruit grains and peach blossom. The product has sweet taste, is convenient to eat, has strong aroma, integrates the efficacies of various components into a whole, has the advantages of enriching blood and tonifying qi, beautifying face and caring skin, delaying senility, strengthening resistance and the like, is a superior nourishing product, has no toxic or side effect or unpleasant odor, and has apparent effects on the treatment of symptoms such as sallow complexion, dry hair, dry skin, chloasma, constipation, abnormal menstruation, dysmenorrhea, cold hands and feet, weak four limbs, insomnia, paramenia, upset irritability, insomnia and the like caused by deficiency of both qi and blood.
Owner:郝敬方

Production equipment for comprehensively utilizing renewable energy resources of waste and old plastics, tires and waste engine oil

The invention discloses production equipment for comprehensively utilizing renewable energy resources of waste and old plastics, tires and waste engine oil, comprising main equipment, secondary equipment, tertiary equipment, a cracking furnace tail gas processing environment-friendly system, a reutilization system generating electric energy with combustible gases, a hot gas recovery system and an environmentally-friendly high-energy low-sulfur coal system which are matched mutually, thereby providing a complete set of the production equipment for comprehensively utilizing the renewable energy resources of the waste and old plastics, the tires and the waste engine oil. The equipment can relatively adequately utilize the renewable energy resources, circularly develops and utilizes slag and heat energy of water and gas, forms a circular environmentally-friendly production chain with considerable economical values and greatly changes the single function of the conventional equipment.
Owner:SOUTH CHINA REBORN RESOURCES ZHONGSHAN

Sludge band type drier and drying processing method

The invention relates to a sludge band type drier and a drying processing method, belonging to the field of solid wastes. The drier comprises a sludge noodle preparing device, a box body, an air blower, an air flue, an air blower for exhausting the air, an air mixing cavity, an air heating device, a sludge water-cooling spiral conveyer arranged in the box body, and an air draft device, wherein the sludge noodle preparing device is arranged in the position of a sludge feeding port on the top of the box body; a feeding port and a discharge port are respectively arranged on the upper part and the lower part of the box body; a drying band and a driving device thereof form a vertical module device, and at most two layers of drying bands are arranged; one air draft device, one air heating device and one air blower form a horizontal module device; and the box body is provided with a plurality of air outlets and air inlets so that the sludge is blown by the lateral dry hot air from the side to reach a drying state. The system of the invention has the advantages of safe and environment-protection operation, short route of the sludge, high drying efficiency, less heat loss, simplicity in operation, low maintenance cost, safety, energy-saving performance, environmental-friendliness and recycling.
Owner:BMEI +1

Fresh marigold flower lactic fermentation process

A process for fermenting the fresh flower of marigold by bacterium lactis includes such steps as drying in the air, screening, loading it in fermenting pool, uniformly spraying composite bacterium lactis, compacting, sealing, and anaerobic fermenting at medium temp for 8-12 days. Its advantages are high acid generating speed and wall-breaking effect, and unique taste.
Owner:辽宁省农业科学院食品与加工研究所

Buckwheat hull bacteria bed for biochemical degradation of kitchen wastes and preparation and using method thereof

The invention discloses a buckwheat hull bacteria bed for biochemical degradation of kitchen wastes and a preparation and using method thereof. The preparation method comprises the following steps: selecting buckwheat hulls of which the weight ratio is not lower than 50 percent as a bacteria bed, uniformly mixing microbial bacterium solution comprising the strain, wherein the number of microbes on the bacteria bed is more than or equal to 100 million per gram, the thousand seed weight of the buckwheat hulls is 5-10g, the unit weight is 100-150g / L, the porosity is 90 percent, the content of impurities is less than or equal to 1.0 percent, and the moisture content is less than or equal to 14 percent. The granules have an open four-sided stereoscopic structure, the wood fiber tissues are developed, the strain curing effect is good, the quality can be maintained for a long time, the microbes fixed on the bacteria bed are activated to reproduce in an exponential increase manner, the kitchen wastes are rapidly decomposed, the bacteria bed is clean and sanitary, the weight loss rate of the kitchen wastes is 99 percent, and the application and popularization prospects are wide.
Owner:上海德瑾绿水科技有限公司

Preparation method and use method of fishy-smell removing agent of kelp and kelp processed product

The invention relates to a method for preparing and using a smell removing agent of sea tangle and sea tangle processing products. The smell removing agent prepared by an acidity regulator, common salt, a metal chelating agent and aromatic ingredient powder can treat the sea tangle at normal temperature and improve the effect of smell removing by the adoption of a vacuum soaking method. According to the characteristics of the sea tangle raw materials, the invention applies a compound smell removing technology and is combined with vacuum soaking operation for establishing a complete set of sea tangle smell removing method from the preparation of the smell removing agent to the use thereof. The application of the method can remove the smell of the sea tangle and the sea tangle processing products effectively, highlight the pure flavor of the sea tangle and improve the sensory quality of the products, thus bringing enormous economic benefit for the processing industry of aquatic products.
Owner:GUANGDONG OCEAN UNIVERSITY

Traditional Chinese medicine sanitizer and preparation method thereof

The invention belongs to the technical field of sanitizers, and particularly relates to a traditional Chinese medicine sanitizer and a preparation method thereof. The sanitizer is prepared from the following Chinese herbal medicine raw materials including, by weight, 10-30 parts of wormwood, 1-5 parts of garlic, 10-30 parts of honeysuckles, 5-21 parts of myrcia, 10-30 parts of cordate houttuynia and 2-15 parts of astragalus membranaceus. The garlic is table vinegar extractive liquid of garlic, and the weight ratio of the garlic to the table vinegar is 1:(3-10); and the sanitizer prepared from the Chinese herbal medicine raw materials comprises, by weight, 10-30% of chlorogenic acid. The prepared sanitizer has an obvious bactericidal effect on common germs such as staphylococcus aureus, escherichia coli, staphylococcus albus and pseudomonas aeruginosa in air; and the sanitizer has the advantages of being quick in effect initiating, long in duration time, low in cost, simple in preparation technique and the like.
Owner:李湘钰

Method for washing, separating and recycling domestic garbage water and domestic garbage washing machine

The invention relates to a method and a device for recycling domestic garbage. A method for washing, separating and recycling domestic garbage water comprises the following steps: using a domestic garbage washing machine, using a mechanical stirring method by virtue of adoption of the principle of the washing machine, washing rot organic matters, waste paper, dust and coal slag in the domestic garbage, precipitating by virtue of a garbage precipitation tank, separating scraps of paper and plant waste which float on the surface of the garbage washing sewage of the precipitation tank, and recycling the dust and the coal slag precipitated at the bottom of the precipitation tank and the sludge in the washing sewage; sorting plastics and metals in the washed garbage, and recycling the plastics and the metals. A domestic garbage washing machine comprises a washing cylinder, wherein the washing cylinder comprises an outer cylinder and an inner cylinder; a spiral stirring device is arranged in the inner cylinder; the inner cylinder wall is connected with the outer cylinder; a screen hole is formed in the inner cylinder wall; a washing sewage outlet is formed in the bottom of the outer cylinder. According to the method and the device for recycling domestic garbage, the whole process of washing, separating and recycling the domestic garbage is free of pollution to the air, the underground water source and the surrounding environment; the garbage is treated and changed into the processed garbage, so that the domestic garbage creates great economical benefits and social wealth.
Owner:徐州天骋智能科技有限公司

Preparation method of hippophae oil microcapsule

The invention relates to a preparation method of a hippophae oil microcapsule product, which is a technology of forming a solid fine product by embedding hippophae oil in a fine and closed microcapsule by means of taking gelatin and Arabic gum as a film forming material. The method comprises the following steps: firstly, dissolving dried Arabic gum powder in distilled water, adding an appropriate amount of hippophae oil, and stirring and emulsifying to prepare an oil-in-water type emulsion; then, dissolving gelatin by distilled water; uniformly mixing with emulsified emulsion, and stirring, cooling, adding a curing agent, naturally settling and vacuum-freezing and drying and the like by a complex coacervation method to prepare the dried hippophae oil microcapsule product. The oil content of the hippophae oil microcapsule produced by the method reaches 40.1%, and has stability. The process is free from toxic and harmful auxiliary materials, organic solvents and bad smell. The product can be applied as a health-care product.
Owner:MINZU UNIVERSITY OF CHINA +2

Method for preparing dietary fiber in sweet potato slag

The invention discloses a method for preparing dietary fiber in sweet potato slag, mainly aims at the problems that most sweet potato slag is discarded as a waste to cause serious environmental pollution, new dietary fiber resources are found, and the like, and provides the method for preparing the dietary fiber in the sweet potato slag. The method comprises the following steps of sweet potato slag-washing with water-adjusting pulp, grinding with a colloid mill, screening (primary screening-secondary screening)-sweet potato dietary fiber crude product-seasoning-bottling-sterilizing-cooling-inoculating-culturing fermentation-washing with water-drying-finished sweet potato dietary fiber products. The method has the advantages of simple operation, mild reaction conditions, no pollution, and the like, can increase the content of soluble dietary fiber in the dietary fiber product, and is low in production cost, and easy in realization of industrial production.
Owner:SHENYANG NORMAL UNIV

Novel functional soft sweets and preparation method thereof

The invention discloses novel functional soft sweets and a preparation method thereof. The novel functional soft sweets are composed of functional components PS or / and Omega-3, a sweetening agent, a gelling agent and an embedding agent, and fruit juice, coloring agents, essence and other components can also be further added. Compared with traditional functional soft sweet products, the preparationmethod adopts an embedding technique to cover up the special unpleasant odor of the functional components, and meanwhile, the essence, the fruit juice and other components are collocated, so the novel functional soft sweets do not have unpleasant odor and is easy to accept by consumers. Furthermore, the functional soft sweets have good stability, the preparation method is simple in operation, andthe functional soft sweets are convenient to carry and suitable for a wide range of people. The functional soft sweets meet the requirements of related food laws and are especially suitable for children and old people to eat. In addition, depending on the specific functional components, the functional components of the novel soft sweets have the efficacies of improving memory, inhibiting thrombosis, reducing blood pressure, maintaining normal vision functions, regulating the immune system and the like.
Owner:SIRIO HEALTHCARE ANHUI CO LTD

Crush type grid

The invention discloses a crush type grid which comprises a reduction motor, a coupler box, a transmission shaft box, a diversion bracket provided with a diversion port and a tail box, wherein the reduction motor, the coupling box, the transmission shaft box, the diversion bracket and the tail box are vertically installed from top to bottom; the output shaft of the reduction motor is connected with the upper end of a driving shaft through a coupling in the coupling box; a driven shaft is parallel to the driving shaft, the upper ends and the lower ends of the driving shaft and the driven shaftare respectively supported in the transmission shaft box and the tail box through bearings, the middle parts of the driving shaft and the driven shaft penetrate through the whole diversion bracket, the driven shaft is connected with the driving shaft through a transmission mechanism, coupling type cutter assemblies are respectively installed on the driving shaft and the driven shaft in a corresponding way in the diversion bracket. The invention can crush solid substances such as cloth strips, wood chips, empty glass jars and the like mixed in a sewer to prevent water treatment equipment of thesewer from being blocked, and ensure normal operation of the water treatment equipment. The equipment can be used by matching with a traditional pump station, and can be singly used, thereby changingan application form of the traditional pump station.
Owner:JIANGSU DATANG ENVIRONMENTAL PROTECTION ENG

Preparation method of branched polystyrene-maleic anhydride and application thereof

InactiveCN102344526APolymerization conditions are mildControllable polymer structure and propertiesTransportation and packagingOrganic dyesMaleic anhydrideSolvent
The invention relates to a preparation method of branched polystyrene-maleic anhydride, comprising the steps of: (1) under normal pressure, dissolving p-vinylbenzyl mercaptan, styrene, maleic anhydride, and an initiator for free radical polymerization in a polymerization solvent; (2) under stirring, heating the solution obtained in step (1) to a temperature of 30-40DEG C and introducing nitrogen to the solution, sealing the reaction container, keeping stirring, raising the temperature of the solution to 65-80DEG C and preserving the heat for a reaction of 10-24h; (3) after the reaction, conducting pumping filtration to the solution obtained in step (2), leaching the solid from filtration with a hot precipitating agent, then dissolving the solid in an organic solvent, filtering out insoluble impurities therein, conducting precipitation and pumping filtration to the obtained solution in a precipitating agent, subjecting the solid obtained from filtration to dissolution, precipitation and pumping filtration, and carrying out vacuum drying to the generated solid. According to the invention, the polymerization conditions are mild, the polymers have controllable structural performance, and the polymerization product has excellent performance, simple and convenient preparation operations, as well as good application.
Owner:JIANGNAN UNIV
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