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60results about How to "Good for long-term storage" patented technology

Super-hydrophobic coating, super-hydrophobic coating layer as well as preparation method and application of super-hydrophobic coating layer

The invention discloses a super-hydrophobic coating, a super-hydrophobic coating layer as well as a preparation method and application of the super-hydrophobic coating layer, relating to the technicalfield of hydrophobic materials. The preparation method comprises the following steps: adding ammonia water and silicate ester into an alcohol solvent, stirring for reaction, and aging, so as to obtain dispersion liquid of silicon dioxide nano-particles; adding a low-surface-energy fluoride-free organic matter into the dispersion liquid of the silicon dioxide nano-particles, so as to obtain super-hydrophobic silicon dioxide functional nano-liquid; mixing organic silicon resin, acrylic resin, nylon powder, barium sulfate powder, a diluent and a dispersing agent, so as to prepare a primer coating; adding a curing agent into the primer coating, coating the surface of a base material with the primer coating, so as to obtain a primer; and spraying the super-hydrophobic silicon dioxide functional nano-liquid to the surface of the primer, and drying, so as to obtain the super-hydrophobic coating layer. By coating the surface of glass, metal, ceramic or plastic with the super-hydrophobic coating layer, the hydrophobic and anti-pollution properties of the material are improved.
Owner:武汉疏能新材料有限公司

Epoxy-based carbon fiber sizing agent emulsion, its preparation method and its application

The invention relates to an epoxy-based carbon fiber sizing agent emulsion, which comprises the following components: 55-78wt% of polyurethane structure-modified epoxy resin composition, 20-30wt% of surfactant, 0.5-2wt% of anti-oxidant, 1-2wt% of levelling agent and 0.5-1wt% of antifreezing agent. A preparation method comprises the following steps: pumping a bisphenol F epoxy resin reactant under vacuum, dehydrating until no bubbles can be generated, adding an isocyanate reactant to prepare an epoxy resin composition; mixing and homogenizing the surfactant and the anti-oxidant in a reaction vessel according to the above material fraction; and then gradually adding deionized water, a levelling agent and an antifreezing agent to prepare the sizing agent emulsion. The carbon fiber from the epoxy-based carbon fiber sizing agent emulsion has good convergence, wear resistance and toughness, the sizing agent resin has good chemical stability, and is in favor of long-term storage and quality guaranteeing of sizing carbon fiber; the preparation method has the advantages of simple technology and easy operation, the reaction raw material has the advantages of convenient source and low cost, and the epoxy-based carbon fiber sizing agent emulsion is in favor of realization of industrial production.
Owner:CHINA PETROLEUM & CHEM CORP +1

Polyurethane structure modified epoxy resin sizing agent emulsion, and preparation and application

The invention relates to a polyurethane structure modified epoxy resin sizing agent emulsion, which comprises the following ingredients: 55-78wt% of polyurethane structure modified epoxy resin composition, 20-40wt% of surfactant, 0.5-2wt% of anti-oxidant, 1-2wt% of levelling agent and 0.5-1wt% of antifreezing agent. The preparation method comprises the following steps: performing vacuum-pumping and dehydrating the bisphenol A epoxy resin to the condition that no bubbles can be generated, cooling and adding isocyanate to prepare a epoxy resin composition; mixing a surfactant and an antioxidant are mixed and homogenized in a reaction vessel according to the above material fraction, then adding deionized water, a levelling agent and an antifreezing agent gradually to obtain the polyurethane structure modified epoxy resin sizing agent emulsion. The carbon fiber prepared by the polyurethane structure modified epoxy resin sizing agent emulsion has good convergence, wear resistance and toughness, the convergence and wear resistance are easily and freely adjusted through the isocyanate component; a cluster agent is not required at the anaphase of the carbon fiber sizing agent, and on-site secondary mixing is not required, the application stability is good, the carbon fiber pasting wellability is good, and the polyurethane structure modified epoxy resin sizing agent emulsion is benefit for industrial stabilization and production of carbon fiber.
Owner:CHINA PETROLEUM & CHEM CORP +1

Process for storing cut flowers of peony and Chinese herbaceous peony for long time

ActiveCN102365935ASolve the problems of short storage period and poor storage process effectExtended storage timeDead plant preservationFloral handlingPaeonia albifloraCut flowers
The invention relates to a process for storing cut flowers of peony and Chinese herbaceous peony for a long time. The process comprises the following steps of: collecting the peony and the Chinese herbaceous peony in the bud period; eliminating soil; decreasing the shell temperatures of the peony and the Chinese herbaceous peony to 15-20 DEG C; carrying out water cutting at the part which is 10-20 mm away from the basal parts at the pedicel lower ends of the peony and the Chinese herbaceous peony; placing flower stalk ends of the peony and the Chinese herbaceous peony in protective agent for 2-3 h; then, taking out; decreasing the temperatures of the peony and the Chinese herbaceous peony to 5-8 DEG C; placing the peony and the Chinese herbaceous peony in a preservation box; placing the preservation box in a storage box; storing the peony and the Chinese herbaceous peony at minus 2 to minus 8 DEG C at the relative humidity of 85-95%; in the process of inserting the peony and the Chinese herbaceous peony in a bottle, taking out the storage box with the cut flowers of the peony and the Chinese herbaceous peony in the bud period in a sealed manner; recovering the temperatures of the cut flowers of the peony and the Chinese herbaceous peony for three times so that the shell temperatures of the cut flowers of the peony and the Chinese herbaceous peony are up to 15-20 DEG C; and opening the storage box and the preservation box to insert the cut flowers of the peony and the Chinese herbaceous peony in the bottle. According to the process for storing the cut flowers of the peony and the Chinese herbaceous peony disclosed by the invention, the problems of short storage period of the peony and the Chinese herbaceous peony, complex storage process and the like are solved; and thestorage time of the peony and the Chinese herbaceous peony in the cut flower period can be prolonged.
Owner:HENAN UNIV OF SCI & TECH

Preparation method of superamphiphobic SiO2 nano functional solution and application

The invention discloses a preparation method of a superamphiphobic SiO2 nano functional solution and relates to the technical field of hydrophobic materials. The preparation method comprises the following steps: adding an alkaline catalyst and silicate ester into an alcohol solvent, and stirring, reacting and ageing the mixture to prepare a SiO2 nanoparticle dispersion solution; and adding a fluorine-containing organic matter with low surface energy to react and modify to prepare the superamphiphobic SiO2 nano functional solution. The preparation method is simple in process, controllable in reaction, low in cost and good in dispersibility of the functional solution and has important social and economical value in industrial popularization, production and application. The invention also provides the application of the superamphiphobic SiO2 nano functional solution. The superamphiphobic SiO2 nano functional solution can be coated to various base materials such as glass, plastics, ceramics or metals by way of spraying, brush-spraying, dip-coating and the like to form a superamphiphobic film; the static contact angle of the surface of the superamphiphobic film and water can reach 168.4degrees, the rolling angle is as low as 1.5 degrees, the static contact angle of the surface of the superamphiphobic film and vacuum pump oil can reach 154.4 degrees, and the rolling angle is 7.8 degrees. The superamphiphobic SiO2 nano functional solution shows a very good superamphiphobic function.
Owner:武汉疏能新材料有限公司

Compound coarse grain fine dried noodles convenient to eat

The invention discloses compound coarse grain fine dried noodles convenient to eat. The compound coarse grain fine dried noodles are prepared by the following steps: performing flour blending on corn flour, buckwheat flour and yam flour according to a weight part ratio of 50: 40: 10, adding a proper amount of salt and water, and performing flour milling; performing flour blending; kneading dough; curing, namely under the condition that the temperature of a jacket is controlled to be 70-80 DEG C at the front part, 120-130 DEG C in the middle and 140-150 DEG C at the rear part, the screw speed is controlled to be 62-72r/min and the working pressure is controlled to be 3-4kg/cm<2>, extruding and curing coarse noodles; discharging, namely under the condition that the temperature of the jacket is controlled to be 120-150 DEG C, the screw speed is controlled to be 62-72r/min and the working pressure is controlled to be 5-6kg/cm<2>, extruding to form thin noodles; drying; cutting off; packaging. According to the compound coarse grain fine dried noodles, a preparation process of extruding and quickly curing once and continuously extruding for forming twice is adopted, additives and other grain powder do not need to be added in a production process, and the compound coarse grain fine dried noodles keep the inherent taste and nutrition of corns, buckwheat and yams; the compound coarse grain fine dried noodles refer to boiling-free instant foods and are good in curing property, high in toughness, continuous, non-pasted after being repeatedly boiled, fine and smooth in mouth feel, chewy and fragrant.
Owner:HENAN JINLONG FLOUR IND

Cordyceps militaris storing method

The invention relates to a cordyceps militaris storing method. The cordyceps militaris storing method comprises the following steps of soaking cordyceps militaris in a citric acid aqueous solution for shaping, performing drainage, spreading the drained cordyceps militaris in a material plate, loading the material plate in a material box of a vacuum freeze drying machine, and when material precooling temperature reaches to minus 40-minus 50 DEG C, maintaining the temperature for 2.0-2.5 hours; performing vacuumizing, when vacuum pressure is reduced to 50Pa or below, beginning to raise temperature, continuing vacuumizing, after the temperature of a material bin rises to 35 DEG C, turning off the equipment, and taking out dried cordyceps militaris so as to obtain freeze-dried cordyceps militaris; and when the freeze-dried cordyceps militaris is eaten, soaking the freeze-dried cordyceps militaris with water for 20-30 minutes so as to obtain freshly eaten cordyceps militaris. After pretreatment through citric acid immersion liquid, dried finished products is low in the frangible degree, long-time storage is facilitated, the dried finished products do not mildew or deteriorate and are not eaten by worms, and the tissue structure and the appearance shape of the dried finished products are well preserved. The rehydration effect of the cordyceps militaris is the best, after rehydration, the immersion juice is golden and clear, the color and the appearance state of cordyceps militaris bodies are similar with those of fresh cordyceps militaris, and the dried finished products can be used as dishes on a dining table to be eaten.
Owner:辽宁省微生物科学研究院

Milky tea solid beverage prepared from ultra-micro broadleaf holly leaf powder and preparation method thereof

The invention provides a milky tea solid beverage prepared from ultra-micro broadleaf holly leaf powder. The milky tea solid beverage contains the ultra-micro broadleaf holly leaf powder, milk powder and soluble soybean polysaccharide. According to the invention, the prepared ultra-micro broadleaf holly leaf powder, milk powder and soluble soybean polysaccharide are prepared into a solid fruit tea under a specific condition. The integrated innovations of the technique according to the invention are as follows: the tea leaf raw material is refrigerated and treated with dry ice, so that the loss of the thermal sensitive nutritional ingredients in the tea leaves caused by the thermodynamic effect in an ultra-micro smashing process can be reduced or avoided; the dry ice is remained in the pores of the ultra-micro broadleaf holly leaf powder grains, so that the tea powder can be stored for a long time; the soluble soybean polysaccharide and the high-pressure homogenizing treatment are beneficial to the stability of the solid beverage in a brewing process; different from the tea soup or tea juice extracted from the tea leaves as raw material, the ultra-micro tea powder is directly used for preparing the milky tea, so that the nutritional ingredients in the tea leaves can be fully maintained, and meanwhile, the extraction process is reduced, so that the production cost is lowered.
Owner:HUBEI UNIV OF TECH

Package of single transposition winding

The invention discloses a package of a single transposition winding. The package of the single transposition winding comprises a spacing strip which is of a belt shaped structure and arranged at the bottom part of the transposition winding, wherein the spacing strip is arranged along the length direction of the transposition winding; net wrapping belts are arranged around the transposition winding and the spacing strip in a manner of obliquely coiling and wrapping the peripheries of the transposition winding and the spacing strip; a protecting belt is arranged at the outer parts of the net wrapping belts in a manner of obliquely coiling and wrapping the peripheries of the net wrapping belts; a tearing line is arranged between the net wrapping belts and the protecting belt along the length direction of the transposition winding; one head of the tearing line is arranged at the outer part of the package. Compared with the prior art, the package of the single transposition winding has the advantages that the transposition winding is packed through the spacing strip, the net wrapping belts and the protecting belt, so that the transposition winding is insulated, radiating, damp-proof and durable, and as a result, the transposition winding can be coiled with each other and stored for a long time; in addition, the transposition winding is conveniently transported in outdoor, and moreover, the potential risk in the use of the transposition winding can be avoided.
Owner:SUZHOU SHENGBAIWEI PACKAGE EQUIP

Solid fruit tea beverage prepared from superfine broadleaf holly leaf powder and preparation method thereof

The invention provides a solid fruit tea beverage prepared from superfine broadleaf holly leaf powder and a preparation method thereof. The solid fruit tea beverage comprises the following components: the superfine broadleaf holly leaf powder, fruit powder and soluble soybean polysaccharide. According to the invention, the prepared superfine broadleaf holly leaf powder, the fruit powder and the soluble soybean polysaccharide are prepared into the solid fruit tea beverage under a specific condition. The integrated innovation of the technology according to the invention is as follows: the tea leaf raw material is refrigerated and treated with dry ice, so that the loss of thermal sensitive nutritional ingredients in the tea leaves under the thermodynamic effect in a superfine grinding process can be reduced or avoided; the dry ice is left in the pores of the fine tea powder grain, so that the long-term storage of the tea powder is benefited; the soluble soybean polysaccharide and the high-pressure homogeneous treatment are beneficial to the stability of the solid beverage in the brewing process; different from the technique of extracting tea soup or tea juice as the raw material from the tea leaves, the technique directly utilizes the superfine tea powder to develop the fruit tea, so that the nutritional ingredients in the tea leaves are fully maintained; and extracting process links are reduced, so that the production cost is lowered.
Owner:HUBEI UNIV OF TECH

Polyurethane structure-modified epoxy resin sizing agent emulsion and its preparation and application

The invention relates to a polyurethane structure modified epoxy resin sizing agent emulsion, which comprises the following ingredients: 55-78wt% of polyurethane structure modified epoxy resin composition, 20-40wt% of surfactant, 0.5-2wt% of anti-oxidant, 1-2wt% of levelling agent and 0.5-1wt% of antifreezing agent. The preparation method comprises the following steps: performing vacuum-pumping and dehydrating the bisphenol A epoxy resin to the condition that no bubbles can be generated, cooling and adding isocyanate to prepare a epoxy resin composition; mixing a surfactant and an antioxidant are mixed and homogenized in a reaction vessel according to the above material fraction, then adding deionized water, a levelling agent and an antifreezing agent gradually to obtain the polyurethane structure modified epoxy resin sizing agent emulsion. The carbon fiber prepared by the polyurethane structure modified epoxy resin sizing agent emulsion has good convergence, wear resistance and toughness, the convergence and wear resistance are easily and freely adjusted through the isocyanate component; a cluster agent is not required at the anaphase of the carbon fiber sizing agent, and on-site secondary mixing is not required, the application stability is good, the carbon fiber pasting wellability is good, and the polyurethane structure modified epoxy resin sizing agent emulsion is benefit for industrial stabilization and production of carbon fiber.
Owner:CHINA PETROLEUM & CHEM CORP +1

Solid fruit tea drink made of ultramicro yellow tea powder and making method of solid fruit tea drink

The invention provides a solid fruit tea drink made of ultramicro yellow tea powder and a making method of the solid fruit tea drink. The solid fruit tea drink comprises components, namely, ultramicro yellow tea powder, fruit powder and soluble soybean polysaccharide. The making method comprises a step of making the solid fruit tea from the ultramicro yellow tea powder, the fruit powder and the soluble soybean polysaccharide under certain conditions. The process technique of the solid fruit tea drink is integrated and innovative, that is, a tea leaf raw material is refrigerated and treated with dry ice, so that consumption of heat-sensitive nutrient components in tea leaves by thermal action in the ultramicro crushing process can be reduced or avoided; the dry ice is retained in pore cavities of ultramicro yellow tea powder particles, so that the tea powder can be preserved for a long time; due to high-pressure homogenization treatment on the soluble soybean polysaccharide, the stability of the solid drink in the brewing process can be facilitated; different from a method that a tea decoction or tea juice is extracted from the tea leaves as raw materials, the making method directly adopts the ultramicro yellow tea powder to develop the fruit tea, so that the nutrient components in the tea leaves can be completely retained, extraction process procedures can be reduced, and thus the production cost can be lowered.
Owner:HUBEI UNIV OF TECH
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