32results about How to "Anhydrous" patented technology

The invention discloses hyperbranched hydroxyl polyester resin, and a preparation method and an application of the hyperbranched hydroxyl polyester resin.The preparation method of the hyperbranched hydroxyl polyester resin comprises the following steps: 1) according to molar fraction, 1 part of dicarboxylic anhydride and 2-4 parts of polyhydric alcohol are mixed in a reaction kettle, paratoluenesulfonic acid and an organic solvent are added for reaction at 105-125 degrees under nitrogen protection, then 4-10 parts of phthalic anhydride are added, and reaction for 2-3h is carried out; and 2) according to molar fraction, 6-10 parts of epoxy compounds are added to a matrix prepared in the step 1), a catalyst and an organic solvent are added for reaction for 4-6h at 105-1130 degrees under the nitrogen protection till an acid value is less than 10mgKOH / g, and cooling and discharging are carried out. The solid content of the hyperbranched hydroxyl polyester resin reaches above 70%, and the viscosity is 3000-12000mPa.s. High solid-content bi-component polyurethane dope prepared with the adoption of the hyperbranched hydroxyl polyester resin has high construction solid content, low VOC content, high film hardness, good heat resistance and outstanding anti-corrosion property.

The invention provides a biodegradable poly-HPMA-Gd magnetic resonance imaging (MRI) probe used for inserting enzyme sensitive polypeptide GFLG into a poly-HPMA backbone structure. The molecular weight of a prepared polymer is basically controllable, the molecular weight is high, and the dispersion coefficient (PDI) is low; and linear HPMA-DOTA-Gd is obtained through coupling with Gd(III). The probe is an efficient nanoscale MRI probe with biocompatibility, and can be used for clinical tumor diagnosis and adjuvant therapy.

The invention provides application of bracteose eucalyptus essential oil and a complex bacterial agent thereof in preparing an insect repellent for marine fishes. The bracteose eucalyptus essential oil complex bacterial agent comprises the bracteose eucalyptus essential oil and streptomyces griseus HL-50 of which the bacterial content is not smaller than 5*10<8> CFU / g, wherein the preservation number of the streptomyces griseus HL-50 is CGMCC No.18424, and the primary effective constituent of the bracteose eucalyptus essential oil is 1,8-eucalyptol. The bracteose eucalyptus essential oil complex bacterial agent is easy to prepare and use, and the effects of effectively expelling various parasites which infect the marine fishes and inhibiting bacteria can be achieved simply by uniformly mixing the bracteose eucalyptus essential oil complex bacterial agent in edible feed for the marine fishes according to the use amount of 0.5-1.5 kg per ton of the feed and continuously feeding the fishes with the feed for 4-7 days; moreover, the complex bacterial agent is poisonless, harmless, and suitable for being used by the marine fishes for a long term, reduces the breeding cost, and has a wideapplication prospect.

The invention discloses an accordant junction differential planetary gear train indefinitely variable transmission system which comprises a differential planetary gear train transmission device and a first distributary gear sheathed on one end of an input shaft; another end of the input shaft is connected with a planet carrier, one end of a gear shaft of a second distributary gear is connected with the input shaft of an electric generator or a hydraulic oil pump; an output voltage signal of the electric generator or an output hydraulic signal of the hydraulic oil pump is sent to a speed setting controller which receives the signals output by the electric generator or the hydraulic oil pump, compares the signals with a given value, and outputs a control signal to a motor or a hydraulic motor; the motor or the hydraulic motor receives the control signal from the speed setting controller, the output shaft of the motor or the hydraulic motor is connected with the gear shaft of a sun gear; and a lockup clutch is arranged between an output geared ring and the planet carrier. The system has high mechanical efficiency, can realize high power transmission, and is provided with wider transmission ratio continuous variation range and steady speed change.

The invention relates to an aqueous coating, in particular to a nanometer aqueous high-temperature-resistant metal-baking coating which can be used for decorating the surfaces of building materials and household kitchenware, such as electric irons, cookers, high-temperature lamps, ceramic products, and the like and has high temperature (600-700 DEG C) resistance, weatherability longer than 30 years and high rigidity. The preparation process comprises the following steps: mixing aqueous aluminum paste or aqueous pearlescent pigment, water and a dispersant at a low speed to prepare a semi-finished product of aqueous aluminum paste or aqueous pearlescent pigment; sequentially adding aqueous high-temperature-resistant nanometer resin, a flatting agent, a film-forming additive and a pH value regulator at a medium speed; and filtering and packaging after the semi-finished product is detected to be qualified to obtain the nanometer aqueous high-temperature-resistant metal-baking coating. The invention contains no toxic organic solvent, is pollution-free and has the advantages of high temperature resistance, weatherability longer than 30 years, high rigidity, wide suitability, and the like.

The invention discloses a water-soluble dopa-based adhesive and a preparation method thereof. Dopamine monomers and water-soluble anionic monomers are subjected to free radical polymerization under the action of an initiator to prepare the water-soluble dopa-based adhesive, so that the adhesive with water as a solvent is prepared. The dopamine monomers and the anionic monomers are subjected to free radical polymerization, according to the adhesion, non-toxicity and biocompatibility of dopa, and the water solubility of the anionic monomers to prepare a non-toxic and harmless water-soluble adhesive with no pollution and the adhesive can be capable of being used in aspects of electronic products and the like.

The invention discloses UV (Ultraviolet) curable polyester as well as a preparation method and application of the UV curable polyester. The preparation method of the UV curable polyester comprises the following steps: 1) mixing 1 part of triglycidyl ether and 3 to 4 parts of an acrylic monomer into a reaction kettle according to a mole fraction; adding a quaternary ammonium salt catalyst, a polymerization inhibitor and an organic solvent and reacting at 105 DEG C to 125 DEG C until the acid value is less than 10mgKOH / g; 2) adding acid anhydride, a polymerization inhibitor and p-toluenesulfonic acid into a matrix prepared by the step 1), and reacting at 105 DEG C to 130 DEG C for 2h to 4h; adding an epoxy compound which is 0.9 to 1.2 times of the mole fraction of the acid anhydride and adding the quaternary ammonium salt catalyst and the organic solvent to react until the acid value is less than 10mgKOH / g; decompressing and distilling to remove the solvent, and cooling and discharging a material, wherein the solid content of the resin reaches 100 percent or more and the viscosity is 3000mPa.s to 30000mPa.s. UV curable paint prepared by the polyester has excellent coating film performance and relatively low cost.

The invention belongs to the technical field of high polymer materials and relates to a polyaspartic acid type ice point regulator preparation method by taking polyaspartic acid and polyaspartic acid derivatives as the raw materials. A macromolecular polyaspartic acid type grafted copolymer is provided, and is synthesized by a midbody polysuccinimide of polyaspartic acid amino acid and a graft, wherein the graft comprises alcohol amine type substances, such as ethanol amine, isopropanolamine, diglycolamine, diethanol amine, 2-amino-1-butanol, N-(3-aminopropyl)diethanol amine, 3-amino propanol, 2-(methylamino)ethanol, D-phenylglycinol, diisopropanol amine and N-(2-ethoxy)ethylenediamine. The copolymer can be taken as an environment-friendly macromolecular ice point regulator, and has high application value in the energy saving field of a dynamic ice-slurry cold-storage air-conditioning system and the field of food additives and medical fields.

The invention discloses a single-core middle-voltage radial water-blocking cable in the cable field, which comprises a water-blocking conductor. The periphery of the conductor is wrapped with a conductor shielding layer; the periphery of the conductor shielding layer is extruded with an XLPE insulated layer; the periphery of the XLPE insulated layer is wrapped with an insulated shielding layer; the periphery of the insulated shielding layer is wrapped with an inner semi-conductive water-blocking belt; the periphery of the inner semi-conductive water-blocking belt is wrapped with a metal shielding layer; the periphery of the metal shielding layer is wrapped with an outer semi-conductive water-blocking belt; the periphery of the outer semi-conductive water-blocking belt is vertically wrapped with an aluminum-plastic composite tape; and the periphery of the vertically-wrapped aluminum-plastic composite tape is extruded with an outer sheath. The single-core middle-voltage radial water-blocking cable has good water-blocking performance, and can be used in submarine data signal transmission.

The invention discloses a process and base material for producing yogurt and yogurt produced by the process, The process includes the steps of S1, preheating 10-30wt% of raw material milk to 50-60 DEGC, and removing fat to obtain skimmed milk and single cream, wherein the fat content in the skimmed milk is smaller than 0.6%; S2, regulating ore content in the skimmed milk to be smaller than 7.2mg / L; S3, subjecting the skimmed milk to Maillard browning; S4, subjecting the rest 70-90wt% of raw material milk to dissolving, and mixing with the skimmed milk obtained after the browning; S5, subjecting the mixed raw material milk to degassing, homogenizing, sterilizing, cooling and fermentation to obtain the yogurt. The process has the advantages that by regulating metal ion content in the raw material milk, the activity of fibrinolysin in the raw material milk during the Maillard reaction is affected so as to affect the product generation of the Maillard reaction, the processed milk is mixedwith the raw material milk which is not subjected to component regulation to perform fermentation, and the produced yogurt is high in furfural content and good in sensory quality.

The invention discloses a fermented-type dairy product which includes an exercise functional element comprising: vitamin D3, vitamin E acetate, thiamine mononitrate, pyridoxine hydrochloride, nicotinamide, an iron agent, a zinc agent and taurine. The invention also provides two preparation methods of two different fermented-type dairy products, wherein the preparation methods can be respectively used for preparing a milk beverage and yogurt containing the exercise functional element. When the dairy product is prepared, the exercise functional element, a metal chelating agent and a stabilizing agent are added to the dairy product at a certain ratio, so that the dairy product is reduced in fermentation time and fermentation risk, is improved in production efficiency, is reduced in production cost and is relatively increased in nutritional value. In addition, a large amount of nutrients in fermented milk can be digested and absorbed more easily after exercises, and the fermented-type dairy product is ensured in stability during selling and storing.

The invention discloses a device and method for preparing alcohol-free wine or strong wine, the device comprises a raw material tank, an intermediate tank, a filter membrane assembly and an alcohol-permeable membrane assembly, the outlet of the raw material tank is connected with the filter membrane assembly, the permeation side outlet of the filter membrane assembly is connected with the intermediate tank, the retentate side outlet of the filter membrane assembly is connected with the raw material tank, and the retentate side outlet of the alcohol-permeable membrane assembly is connected with the intermediate tank. The filter membrane assembly comprises a nanofiltration membrane or a decolorizing membrane, an outlet of the intermediate tank is respectively connected with the raw material tank and the alcohol-permeable membrane assembly through valves, and a retentate side outlet of the alcohol-permeable membrane assembly is connected with the intermediate tank. The method realizes a green extraction process, and has the characteristics of simple and effective operation, safety, environmental protection, small wine loss, reliable flow, suitability for industrial production and the like.

The invention discloses a fermented-type dairy product which includes an exercise functional element comprising: vitamin D3, vitamin E acetate, thiamine mononitrate, pyridoxine hydrochloride, nicotinamide, an iron agent, a zinc agent and taurine. The invention also provides two preparation methods of two different fermented-type dairy products, wherein the preparation methods can be respectively used for preparing a milk beverage and yogurt containing the exercise functional element. When the dairy product is prepared, the exercise functional element, a metal chelating agent and a stabilizing agent are added to the dairy product at a certain ratio, so that the dairy product is reduced in fermentation time and fermentation risk, is improved in production efficiency, is reduced in production cost and is relatively increased in nutritional value. In addition, a large amount of nutrients in fermented milk can be digested and absorbed more easily after exercises, and the fermented-type dairy product is ensured in stability during selling and storing.

The present invention discloses applications of lycopene in promotion of yogurt fermentation and maintaining of stability of viable count within a yogurt shelf life. The present invention further discloses a lycopene-containing yogurt, wherein the raw materials comprise milk or milk powder and water, and lycopene. The present invention further discloses a preparation method of the lycopene-containing yogurt, wherein the method comprises: adopting milk or milk powder as a main raw material, adding lycopene, carrying out homogenization and sterilization, and carrying out strain fermentation to produce the yogurt. According to the present invention, the lycopene is added to the yogurt to shorten the fermentation time and reduce the fermentation risk; the lycopene is added to the yogurt to keep the viable count of the yogurt; and the obtained yogurt has characteristics of smooth and delicate tissue state, gloss, no water dropping, pure flavor, good taste and good stability, and cannot produce unacceptable phenomena such as stratification, precipitation and fat floating after the yogurt is stored for more than or equal to 30 days in a low-temperature storage manner.

The invention provides an application of Eucalyptus polybractea essential oil and its composite microbial agent in the preparation of a vermifuge for echinoderms. The Eucalyptus polybractea essentialoil composite microbial agent comprises Eucalyptus polybractea essential oil and Streptomyces griseus HL-50 with the bacterial content of 5 * 10<8> CFU / g or above, wherein the preservation number of the Streptomyces griseus HL-50 is CGMCC No.18424, and the most main effective component of the Eucalyptus polybractea essential oil is 1,8-cineole. The Eucalyptus polybractea essential oil composite microbial agent is simple to prepare and use, so effective repelling of various parasites infecting the echinoderms and bacterium inhibition can be achieved by only uniformly mixing an edible feed for the echinoderms with the composite microbial agent according to a ratio of 0.5-1.5 kg / t and continuously feeding the echinoderms with the obtained mixture for 4-7 d; and the composite microbial agent is nontoxic and harmless, is suitable for the echinoderms to use for a long term, can reduce the breeding cost, and has a wide application prospect.

The invention relates to a method for preparing yoghurt, a base material and the yoghurt prepared thereby. The method comprises the following steps: step S1, providing raw milk containing casein and whey protein; step S2, adjusting the proportion of casein to whey protein in 10-30 wt% of the raw milk to (8-10):(2-0.5); step S3, carrying out Maillard browning reaction on 10-30 wt% of the raw milk,and then mixing the product with the raw milk which do not carry out browning reaction; and step S4, melting the mixed raw milk, degassing, homogenizing, sterilizing, cooling and fermenting to obtainthe yoghurt. With the method, the Maillard reaction is carried out by adjusting the proportion of different protein components in the raw milk, and the product is mixed and fermented with raw milk without component adjustment according to the specific proportion, so that the product contains high content of a butanedione substance, and has good product sensory quality.

The invention discloses a biodegradable core-crosslinked gadolinium complex-containing polymer, a preparation method and application thereof. The invention also discloses a biodegradable linear HPMA copolymer, a preparation method and application thereof. The biodegradable gadolinium complex-containing polymer of the invention has a high relaxation rate, has excellent effect as a magnetic resonance imaging contrast agent, is degradable, nontoxic, has good biocompatibility, and has good clinical application prospects.

The invention discloses a high-temperature-resistant oxidation-resistant roller shutter door and a preparation process thereof. The high-temperature-resistant oxidation-resistant roller shutter door comprises a roller shutter door and is characterized in that a protective layer coats on the surface of the roller shutter door, and the protective layer comprises the following components: 115-120 parts of glass powder, 15-25 parts of an ethylene-tetrafluoroethylene copolymer, 3-7 parts of a flatting agent, 15-22 parts of a binder, 6-9 parts of an antioxidant, 18-20 parts of epoxy resin, 38-42 parts of water, and 11-19 parts of composite rare earth. According to the invention, the service life of the roller shutter door is prolonged, and potential safety hazards in life are reduced.

The invention discloses UV (Ultraviolet) curable polyester as well as a preparation method and application of the UV curable polyester. The preparation method of the UV curable polyester comprises the following steps: 1) mixing 1 part of triglycidyl ether and 3 to 4 parts of an acrylic monomer into a reaction kettle according to a mole fraction; adding a quaternary ammonium salt catalyst, a polymerization inhibitor and an organic solvent and reacting at 105 DEG C to 125 DEG C until the acid value is less than 10mgKOH / g; 2) adding acid anhydride, a polymerization inhibitor and p-toluenesulfonic acid into a matrix prepared by the step 1), and reacting at 105 DEG C to 130 DEG C for 2h to 4h; adding an epoxy compound which is 0.9 to 1.2 times of the mole fraction of the acid anhydride and adding the quaternary ammonium salt catalyst and the organic solvent to react until the acid value is less than 10mgKOH / g; decompressing and distilling to remove the solvent, and cooling and discharging a material, wherein the solid content of the resin reaches 100 percent or more and the viscosity is 3000mPa.s to 30000mPa.s. UV curable paint prepared by the polyester has excellent coating film performance and relatively low cost.

The invention discloses sprouting-preventing liquid special for walnut trees. The sprouting-preventing liquid is prepared from, by weight, 3-8% of polyvinyl alcohol, 3-5% of sulfur A.naphthalene acetic acid, 2-4% of nitrogen phosphorus and potassium, and the balance water; white solid powder-like polyvinyl alcohol is taken and added into water, the temperature is raised to 95 DEG C or above until the polyvinyl alcohol is completely dissolved in the water, then, the solution stands to the room temperature, the sulfur A.naphthalene acetic acid, ammonium nitrate, superphosphate and potassium nitrate are added into the solution, the mixture is stirred to be uniform, the sprouting-preventing liquid is obtained, the pH value of the solution is 5-7, and the sprouting-preventing liquid is faintly acid. The sprouting-preventing liquid special for the walnut trees effectively reduces the sprouting rate of the walnut trees.

The invention relates to an aqueous coating, in particular to a nanometer aqueous high-temperature-resistant metal-baking coating which can be used for decorating the surfaces of building materials and household kitchenware, such as electric irons, cookers, high-temperature lamps, ceramic products, and the like and has high temperature (600-700 DEG C) resistance, weatherability longer than 30 years and high rigidity. The preparation process comprises the following steps: mixing aqueous aluminum paste or aqueous pearlescent pigment, water and a dispersant at a low speed to prepare a semi-finished product of aqueous aluminum paste or aqueous pearlescent pigment; sequentially adding aqueous high-temperature-resistant nanometer resin, a flatting agent, a film-forming additive and a pH value regulator at a medium speed; and filtering and packaging after the semi-finished product is detected to be qualified to obtain the nanometer aqueous high-temperature-resistant metal-baking coating. The invention contains no toxic organic solvent, is pollution-free and has the advantages of high temperature resistance, weatherability longer than 30 years, high rigidity, wide suitability, and the like.

The invention discloses hyperbranched hydroxyl polyester resin, and a preparation method and an application of the hyperbranched hydroxyl polyester resin.The preparation method of the hyperbranched hydroxyl polyester resin comprises the following steps: 1) according to molar fraction, 1 part of dicarboxylic anhydride and 2-4 parts of polyhydric alcohol are mixed in a reaction kettle, paratoluenesulfonic acid and an organic solvent are added for reaction at 105-125 degrees under nitrogen protection, then 4-10 parts of phthalic anhydride are added, and reaction for 2-3h is carried out; and 2) according to molar fraction, 6-10 parts of epoxy compounds are added to a matrix prepared in the step 1), a catalyst and an organic solvent are added for reaction for 4-6h at 105-1130 degrees under the nitrogen protection till an acid value is less than 10mgKOH / g, and cooling and discharging are carried out. The solid content of the hyperbranched hydroxyl polyester resin reaches above 70%, and the viscosity is 3000-12000mPa.s. High solid-content bi-component polyurethane dope prepared with the adoption of the hyperbranched hydroxyl polyester resin has high construction solid content, low VOC content, high film hardness, good heat resistance and outstanding anti-corrosion property.

The present invention provides an application of Eucalyptus multibract essential oil and its composite bacterial agent in the preparation of an insect repellant for seawater fish. Not less than 5×10 8 CFU / g of Streptomyces griseus HL‑50, wherein the preservation number of Streptomyces griseus HL‑50 is CGMCC No.18424, and the main active ingredient of Eucalyptus multibractosa eucalyptus essential oil is 1,8‑cineole. The eucalyptus eucalyptus essential oil compound microbial agent of the present invention is simple to prepare and use, and it only needs to be uniformly mixed in the edible feed of seawater fish according to the dosage of 0.5-1.5 kg / ton of feed and continuously fed for 4-7 days to achieve It can effectively drive away various parasites infected by seawater fish and has antibacterial effect, and the compound bacterial agent is non-toxic and harmless, is suitable for long-term use of fish, reduces breeding costs, and has broad application prospects.

The invention discloses an accordant junction differential planetary gear train indefinitely variable transmission system which comprises a differential planetary gear train transmission device and a first distributary gear sheathed on one end of an input shaft; another end of the input shaft is connected with a planet carrier, one end of a gear shaft of a second distributary gear is connected with the input shaft of an electric generator or a hydraulic oil pump; an output voltage signal of the electric generator or an output hydraulic signal of the hydraulic oil pump is sent to a speed setting controller which receives the signals output by the electric generator or the hydraulic oil pump, compares the signals with a given value, and outputs a control signal to a motor or a hydraulic motor; the motor or the hydraulic motor receives the control signal from the speed setting controller, the output shaft of the motor or the hydraulic motor is connected with the gear shaft of a sun gear;and a lockup clutch is arranged between an output geared ring and the planet carrier. The system has high mechanical efficiency, can realize high power transmission, and is provided with wider transmission ratio continuous variation range and steady speed change.

The invention discloses flucloxacillin sodium taste-masking granules and a preparation method thereof, particularly relates to a taste masking method for preparing granules from water-soluble medicines (such as flucloxacillin sodium) with strong bitterness and large taking dosage, belongs to the technical field of medicines, and aims to realize masking of the bitterness of the medicines, keep or improve the water solubility and the stability of the medicines to improve the drug compliance of a clinical patient. The flucloxacillin sodium taste-masking granules comprise a master medicine and slave medicinal materials, and are prepared by dissolving or highly dispersing the master medicine into a carrier solution, and then preparing the medicines into granules by a conventional granulation mode, wherein the ratio of a carrier to the master medicines is 25-200 percent; the carrier is a molecular material with high film-forming property and high water solubility. A carrier solution medium is water or an ethanol solution with certain condition; the master medicine is a medicine which is represented by flucloxacillin sodium and is strong in bitterness, high in clinical dosage and high in water solubility.

The invention discloses flucloxacillin sodium taste-masking granules and a preparation method thereof, particularly relates to a taste masking method for preparing granules from water-soluble medicines (such as flucloxacillin sodium) with strong bitterness and large taking dosage, belongs to the technical field of medicines, and aims to realize masking of the bitterness of the medicines, keep or improve the water solubility and the stability of the medicines to improve the drug compliance of a clinical patient. The flucloxacillin sodium taste-masking granules comprise a master medicine and slave medicinal materials, and are prepared by dissolving or highly dispersing the master medicine into a carrier solution, and then preparing the medicines into granules by a conventional granulation mode, wherein the ratio of a carrier to the master medicines is 25-200 percent; the carrier is a molecular material with high film-forming property and high water solubility. A carrier solution medium is water or an ethanol solution with certain condition; the master medicine is a medicine which is represented by flucloxacillin sodium and is strong in bitterness, high in clinical dosage and high in water solubility.

The invention discloses a waterproof construction device suitable for a steel structure building. The waterproof construction device comprises a supporting column, wherein universal wheels are arranged at the bottom end of the supporting column; a housing is welded to the upper side of the supporting column; a length sensor is fixedly connected to the surface of the right side of the housing; a switch box is arranged on the part, close to the right side, of the front side of the housing and the upper side of the supporting column; a lock cylinder is arranged on the front surface of the switchbox; a cloth outlet is welded to the edge, close to the right side, of the bottom of the switch box; and a cutting knife is arranged at the bottom of the cloth outlet. By arranging a base layer gelling coating and a surface layer gelling coating, a nozzle is controlled through a PLC, gelling coatings are sprayed to a parapet wall, and polyester cloth is sewn through the arranged sewn polyester cloth to form a seamless waterproof system. The waterproof construction device has the advantages of being super-high in tensile strength, ultraviolet resistance, aging resistance, fatigue resistance, low-temperature flexibility, water-based performance, non-toxic, odorless, non-combustible, non-corrosive and stable in quality, and is the best steel structure roof waterproof system at present.

The invention discloses a loop S-type double-volute multifilament fence wet dust separator and belongs to the field of environmental protection. The wet dust separator uses fan power to absorb or press gases containing dust and smoke into a loop S-type double-volute wall surface, and then uses a multifilament fence surface which is arranged on an overflow pipe and provided with spraying sieve pores, wherein the overflow water from the spraying sieve pores soaks the multifilament fence surface, therefore, dust on the multifilament fence surface becomes wet and gains weight, or gets condensed and resorted, air stream strikes the dust-containing fiber surface and leads the fiber surface to shake, waterbearing dust particles are self-cleaned and deposited in the multifilament fence wet dust separator and flow into a pulp and water separating device along with water flow under gravity, and purified air is discharged from an air vent, thus achieving the goal of dust removing.