12results about How to "Easy compound" patented technology

The invention discloses a liquid metal-hydrogel composite radiation protection material and a preparation method and application thereof.The preparation method comprises the steps that indium, tin and bismuth are sequentially put into a flask from low melting point to high melting point to be mixed, and glycerin is added for immersion; placing the mixture in an argon atmosphere, and stirring by using a heating type magnetic stirrer; taking out the spherical liquid metal particles from the glycerol, and finally washing and drying to obtain liquid metal alloy particles; preparing a PVA (polyvinyl alcohol)-H2O solution with the mass fraction of 15% and a PVA-DMSO (dimethyl sulfoxide) solution with the mass fraction of 15%; and a PVA-H2O solution, a PVA-DMSO solution and the liquid metal alloy particles are stirred and mixed according to the mass ratio, the mixed solution is subjected to ultrasonic treatment and then poured into a mold to be frozen into gel, and the liquid metal-hydrogel composite material is obtained. By combining the advantages of the liquid metal and the hydrogel, excellent biocompatibility, adjustable mechanical property and efficient radiation shielding capability are realized, and the hydrogel can be used as a novel lead-free radiation protection material.

The present invention relates to a functional nutritional composition, in particular to an immunity-enhancing composition. The composition comprises: i) human milk oligosaccharides, wherein the human milk oligosaccharides at least comprise neutral fucosylated human milk oligosaccharides; ii) beta-glucans from one or more sources, wherein the ratio of the human milk oligosaccharides to the beta-glucans is 33 to 50:1, and the composition optionally comprises other nutritional ingredients.

The application specifically relates to a two-component silicone heat-conducting gel and a preparation method thereof, wherein the heat-conducting gel comprises component A and component B, the weight ratio of the component A and the component B is 1:0.8-1.5; the component A comprises the following raw materials in parts by weight: 90-110 parts of vinyl silicone oil A, 80-120 parts of heat-conducting filler, 5-10 parts of tackifier, 2-6 parts of fumed silica, 0.1-1 part of inhibitor and 0.01-0.1 part of platinum catalyst; the component B comprises the following raw materials in parts by weight: 50-60 parts of vinyl silicone oil B, 10-20 parts of hydrogen-containing silicone oil, 80-120 parts of heat-conducting filler and 5-10 parts of cage polysilsesquioxane. The silicone heat-conducting gel has the advantages of heat conduction and bonding performance, low specific gravity and convenient automatic dispensing operation. The preparation method of the heat-conducting gel is stable in process, high in production efficiency and convenient in operation control, and is beneficial to industrial production.

The invention relates to a composite foil manufacturing system and application thereof.The composite foil manufacturing system comprises an unwinding system which is of a winding and unwinding integrated structure and is used for unwinding a multi-layer composite material which comprises a functional base material, and at least one side surface of the multi-layer composite material comprises an adhesive layer and a release film; the foil generating system comprises a cathode roller and is at least used for generating a foil layer; the compounding system is used for compounding the functional base material, the adhesive layer and the foil layer to prepare a composite foil intermediate; the composite foil passing rollers are at least used for conveying; the passivation system comprises a first passivation device containing a first passivation solution, and is used for performing first passivation treatment on the composite foil intermediate, and during the first passivation treatment, the single-side foil layer is used as a liquid layer to be in contact with the first passivation solution, or is further used as an isolating layer to isolate the first passivation solution from the adhesive layer and the release film on the back side; and the winding system is at least used for winding the composite foil. The system is low in equipment cost, small in occupied area, capable of achieving integration of foil generation and compounding and improving the oxidation resistance of the composite foil, and wide in application prospect.

The invention discloses a breathable elastic composite nonwoven fabric, which is composed of a surface layer nonwoven fabric, an intermediate layer elastic film and a bottom layer nonwoven fabric. Both the surface layer nonwoven fabric and the bottom layer nonwoven fabric are provided with a plurality of strip-type raised areas and recessed areas arranged transversely, the intermediate layer elastic film is provided with funnel-shaped openings, and the surface layer nonwoven fabric and the bottom layer nonwoven fabric form a strip-type air-permeable channel between the raised areas, so that when worn, internal humid and hot air can penetrate into the air-permeable channel space formed by the bottom layer nonwoven fabric and the elastic film through the bottom layer nonwoven fabric, the humid and hot air can diffuse rapidly in the air-permeable channel in the length direction and the height direction of the air-permeable channel space, and enter into the air-permeable channel space formed by the elastic film and the surface layer nonwoven fabric through the openings of the elastic film, and then be discharged from the elastic composite nonwoven fabric, thereby achieving the effect of rapid heat conduction and moisture removal.

The invention discloses a reinforced sandwich mesh material and a preparation method thereof, and belongs to the technical field of composite materials, the reinforced sandwich mesh material comprises a first PVC film, mesh cloth, a second PVC film and knitted fabric which are arranged in sequence; and the difference value of the shrinking percentage of the mesh fabric and the knitted fabric is within 1%. The invention also provides a preparation method of the reinforced sandwich net material. The preparation method comprises the following steps: respectively pasting two sides of the net cloth and one side of the knitted cloth; preheating the pasted screen cloth and knitted cloth, and then laminating the screen cloth and knitted cloth with the first PVC film and the second PVC film; the temperature difference between the preheated and pasted screen cloth and the preheated and pasted knitted fabric is within 2 DEG C. By specifically selecting the mesh fabric and the knitted fabric, the reinforced mesh clamping material which is skin-friendly and high in strength is obtained, and the reinforced mesh clamping material is not prone to coiling in the preparation process and easy to compound.

The present invention provides a method for efficiently obtaining a high-quality product. The present invention relates to a method for producing an easily polymerizable compound, the method including: mixing an easily polymerizable compound and a manganese-based polymerization inhibitor; adjusting a manganese concentration in an easily polymerizable compound-containing solution obtained through the mixing by bringing at least a portion of the easily polymerizable compound-containing solution into contact with a cation exchange resin; and crystallizing from an easily polymerizable compound-containing solution having a manganese concentration of 5 mass ppm or lower obtained through the adjusting.

The invention relates to an ultra-high molecular weight polyethylene fiber with a surface hairiness structure as well as a manufacturing method and application of the ultra-high molecular weight polyethylene fiber. The ultra-high molecular weight polyethylene fiber of the present invention has a core and hairiness covering at least a portion of the surface of the core, wherein the hairiness has an average length of 1-100 [mu] m and an average density of 1-50 pieces / 100 [mu] m. The surface of the obtained fiber has a surface hairiness structure, so that the surface roughness and the specific surface area are increased, and the fiber is more easily compounded with an adhesive.

This invention discloses a liquid-phase functional urethane antifouling coating, its preparation method, and its application. The preparation method includes the following steps: S1. Mixing monohydroxy-terminated polydimethylsiloxane and polypropylene glycol and removing water to obtain solution A; S2. Dissolving hexamethylene diisocyanate trimer in xylene to obtain solution B; slowly adding solution B dropwise to solution A while continuously stirring; S3. After the addition is complete, heating the reaction to 80-85°C and continuously stirring to ensure a complete reaction, finally obtaining prepolymer C; S4. Adding curing agent polyaspartic acid ester, leveling agent, and defoamer to solution C, and stirring to obtain solution D; S5. Applying solution D to the surface of a substrate and curing at room temperature for 2 hours to obtain a liquid-phase functional urethane antifouling coating. The antifouling coating of this invention can cure at room temperature, is environmentally friendly, inhibits the adhesion of fouling organisms, and has good anti-icing properties.

The present invention provides a method for efficiently obtaining a high-quality product. The present invention relates to a method for producing an easily polymerizable compound, the method using a purification apparatus including a wash column and at least one of a crystallization tank or a ripening tank, the crystallization tank forming easily polymerizable compound crystals from an easily polymerizable compound-containing solution or a mother liquor in an easily polymerizable compound crystal-containing slurry, the ripening tank growing the easily polymerizable compound crystals, the purification apparatus further including a line that includes a bend having a ratio R / D of radius R of curvature to line inner diameter D of more than 4 and not more than 10 and that is connected to at least one selected from the group consisting of the crystallization tank, the ripening tank, and the wash column, the method including sending the easily polymerizable compound crystal-containing slurry through the line.

The invention discloses a liquid-phase-like functional carbamate antifouling coating as well as a preparation method and application thereof, and the preparation method comprises the following steps: S1, mixing monohydroxyl-terminated polydimethylsiloxane and polypropylene glycol, and removing water to obtain a solution A; s2, dissolving a hexamethylene diisocyanate tripolymer in xylene to obtain a solution B; slowly dropwise adding the solution B into the solution A, and continuously stirring in the dropwise adding process; s3, after dropwise adding is completed, heating the reaction to 80-85 DEG C, and continuously stirring to ensure that the reaction is sufficient, so as to finally obtain a prepolymer C; s4, adding a curing agent polyaspartic ester, a flatting agent and a defoaming agent into the solution C, and stirring to obtain a solution D; and S5, coating the D on the surface of a base material, and curing at room temperature for 2 hours to obtain the liquid-phase-like functional carbamate antifouling coating. The antifouling coating provided by the invention can be cured at normal temperature, is environment-friendly, inhibits adhesion of fouling organisms, and also has good ice resistance.

The invention belongs to the technical field of polymer compounds and discloses a multi-purpose water treatment agent, a preparation method and an application thereof. 12 H8N2O4, Na2SiO3·9H2O, Na2MoO4·2H2O and 10 mL of pure water are mixed and stirred at room temperature for 30 minutes; nitric acid reagent and potassium hydroxide reagent are used to adjust the pH to 3.35, and after sufficient reaction, they are added into a stainless steel reactor with a polytetrafluoroethylene liner and sealed; after the reaction inside the reactor is completed, it is cooled to room temperature; the product in the reactor is washed with pure water to obtain light yellow transparent block crystals, which are filtered and placed in the air to dry naturally. The present invention adopts a simple preparation process, cheap and easily available synthetic raw materials, and mild reaction conditions to synthesize a multi-purpose water treatment agent, which can not only efficiently remove organic dye pollutants and nitrite ions, but also has fluorescence properties and electrochemical properties.