39results about How to "Easy and flexible production" patented technology

The invention provides a heat-superconducting radiator and a manufacturing method thereof. The heat-superconducting radiator comprises a plurality of partition plates and a plurality of heat-superconducting radiating fins, wherein the partition plates and the heat-superconducting radiating fins are alternately arranged; one end surface of each partition plate is flush with one end surface of each heat-superconducting radiating fin to form a mounting surface suitable for mounting a power device; and the heat-superconducting radiating fins are fixedly connected with the partition plates. Conventional radiating fins in the prior art are replaced with the heat-superconducting radiating fins, so that the heat-superconducting radiator is higher in heat-conducting rate and higher in fin efficiency; the efficiency of the radiating fins is not affected by the height; the radiating capacity of the radiator is improved; and the heat-superconducting radiator provided by the invention is convenient and flexible to manufacture, low in cost, high in radiating capacity, light in weight and small in size, and has a wide market prospect and great economical value.

The invention provides a thermal superconducting fin radiator and a manufacturing method thereof. The thermal superconducting fin radiator includes a radiator substrate and several thermal superconducting cooling fins inserted on the radiator substrate. By adopting thermal superconducting fins instead of conventional heat sinks in the prior art, the thermal superconducting fin radiator of the present invention has fast heat conduction, high fin efficiency, and unlimited height of the fins; the thermal superconducting fins of the present invention Chip radiators are easy and flexible to manufacture, low in cost, large in heat dissipation capacity, light in weight, and small in size. They can replace heat pipe radiators and some water-cooled radiators. They are especially suitable for the cooling needs of electronic devices with high power and high heat flux density, and have broad market prospects. and great economic value.

The invention relates to a preparation method of a cellulose / carbon nanotube composite fiber. The preparation method comprises the steps that a cellulose solvent is adopted to dissolve a low-polymerization-degree cellulose, and a carrier solution for carbon nanotubes is prepared; under the strong shear effect provided by a stirring device, the carbon nanotubes is mixed with the carrier solution to prepare a carbon nanotube mother solution; the carbon nanotube mother solution is injected into a cellulose spinning solution in an online adding mode, the spinning solution is subjected to extrusion, solidification and drawing to prepare the cellulose / carbon nanotube composite fiber. For solving the problem that the carbon nanotubes are difficultly and uniformly mixed with a high-viscosity spinning solution, the carbon nanotube mother solution is injected into the cellulose spinning solution, and further the cellulose / carbon nanotube composite fiber is prepared in a spin-forming mode. The mother solution carrier used by the method solidifies and is formed with the fiber without the operation of feeding an additional additive into a solvent and coagulation bath system. The preparation method is simple, flexible and efficient, and production of the cellulose / carbon nanotube composite fiber can be achieved based on a conventional production line.

The invention provides a thermal superconducting radiator and a manufacturing method thereof. The thermal superconducting radiator includes several partitions and several thermal superconducting fins; the partitions and the thermal superconducting fins are alternately arranged cloth, and one end surface of the partition is flush with one end surface of the thermal superconducting heat dissipation fin, which together constitute a mounting surface suitable for installing power devices; the thermal superconducting heat dissipation fin is fixed to the partition connect. Using thermal superconducting fins to replace conventional heat sinks in the prior art makes thermal superconducting heat sinks have faster heat conduction rate and higher fin efficiency, and the fin efficiency of heat sinks is not affected by the height, which improves the performance of the heat sink Heat dissipation capacity: The thermal superconducting heat sink of the present invention is convenient and flexible to manufacture, low in cost, large in heat dissipation capacity, light in weight and small in size, and has broad market prospects and huge economic value.

The invention discloses self-repairing folic acid gel with multiple responses and a preparation method thereof. The gel is a mixed system comprising organic gel factor folic acid, water and organic solvent; the folic acid is dissolved in the mixed solvent prepared by the water and the organic solvent under the condition of room temperature, is evenly mixed, and placed still until the solution forms the gel. The gel of the invention has excellent optical characteristics, has four responses of heat, light, force and pH, and can finish reversible conversion between gel and solution under the excitation of corresponding factors, so that a novel feasible path for truly applying the gel to the civil fields such as medical materials, optical materials, intelligent materials and crystal growth templates is provided; the self-repairing folic acid gel has a wide application prospect.

The invention relates to a preparation method of chitosan / hydroxyapatite composite fibers. The preparation method includes the steps of 1), dissolving low-molecular-weight chitosan by adopting chitosan solvent to obtain a carrier solution; 2), mixing hydroxyapatite ha powder with the carrier solution through the high shearing action provided by stirring equipment to obtain hydroxyapatite mother liquid; 3), injecting a chitosan spinning liquid into the hydroxyapatite mother liquid in an online adding mode to obtain the chitosan / hydroxyapatite spinning liquid, and subjecting the chitosan / hydroxyapatite spinning liquid to a wetting method or a dry spraying wet method to obtain the chitosan / hydroxyapatite composite fibers. By the arrangement, the hydroxyapatite ha powder is uniformly distributed, an adopted carrier is formed with coagulation of the fibers, and no additional additives are added to the solvent and coagulation bath system. The preparation method is simple and efficient in forming, and the functional chitosan fibers can be produced on the basis of conventional production lines.

The invention relates to an anti-bacterial cellulose complex fiber and a preparation method thereof. The preparation method comprises the following step: spinning a mixed solution of water-soluble chitosan / carboxymethylcellulose collosol and a cellulose spinning solution to obtain the anti-bacterial cellulose complex fiber, wherein the dispersion phase particles of the water-soluble chitosan / carboxymethylcellulose collosol are a water-soluble chitosan / carboxymethylcellulose composition. The prepared antibacterial cellulose complex fiber is mainly prepared from a cellulose fiber substrate and the water-soluble chitosan / carboxymethylcellulose composition which is distributed inside and / or outside the cellulose fiber substrate; the water-soluble chitosan / carboxymethylcellulose composition ismainly formed by bonding water-soluble chitosan and carboxymethylcellulose through an ionic bond; the water-soluble chitosan / carboxymethylcellulose composition and the cellulose fiber substrate are mainly bonded through a hydrogen bond. The preparation method is easy to operate, and the prepared anti-bacterial cellulose complex fiber has the advantages of stable structure, high mechanical performance, antibacterial performance, moisture absorbing performance and excellent popularization value.

The invention relates to a preparation method of cellulose / bioglass composite fiber. The cellulose / bioglass composite fiber is prepared by dissolving cellulose with low polymerization degree by cellulose solvent, and preparing a carrier solution of bioglass powder body; through strong shearing function provided by the mixing device, mixing the bioglass powder with the carrier solution, and preparing the functional mother liquor; filling the functional mother liquor to the cellulose spinning solution; extruding, condensing and drafting the spinning solution, and obtaining the cellulose / bioglass composite fiber. Specific to the problem that the bioglass powder is hard to evenly mix with high-viscosity spinning solution, the cellulose / bioglass composite fiber is prepared by filling the bioglass powder mother liquor to the spinning solution and further spinning and shaping. The mother liquor carrier of the invention is condensed and shaped along with fiber, and enters the solvent and condensing bath system without additional assistant. The preparation method is simple, flexible and high-efficient; the production of the cellulose / bioglass composite fiber can be realized on the basis of a regular production line.

The invention relates to a chitosan composite fiber and a preparation method thereof. The method comprises the following steps: spinning mixed liquor of chitosan quaternary ammonium salt / alginic acidsol and chitosan spinning solution to prepare the chitosan composite fiber, wherein a dispersion phase particle in the chitosan quaternary ammonium salt / alginic acid sol is a chitosan quaternary ammonium salt / alginic acid conjugate mainly. The prepared chitosan composite fiber is mainly formed by a chitosan fiber matrix and the chitosan quaternary ammonium salt / alginic acid conjugate distributed in the chitosan fiber matrix. The chitosan quaternary ammonium salt / alginic acid conjugate is mainly formed by bonding chitosan quaternary ammonium salt and alginic acid through an ionic bond. The chitosan quaternary ammonium salt / alginic acid conjugate is bonded with the chitosan fiber matrix through a hydrogen bond mainly. According to the chitosan composite fiber and the preparation method thereof provided by the invention, the preparation method is simple in operation, the prepared chitosan composite fiber is stable in structure, good in mechanical property, anti-bacterial property and hygroscopic property, and has a good promotional value.

The invention provides an online tons-level traditional Chinese medicine anti-wall-hanging evaporation and concentration device and an operating method thereof. A gas-liquid-solid three-phase natural circulation fluidized bed evaporation and concentration device in an industrial production scale in which the heating area of a heater is 18.9 m<2> and the evaporative power is 1100-1400 kg / h is determined. The inventions and innovations of a screen type discharging device, a 90-degree multi-section short-radius elbow connecting pipe and a demister on the upper part of a separation chamber are designed. At present, the production operation result of the industrial scale device of about 100-ton extracting solutions of Menopause Ease and other over ten traditional Chinese medicines proves that compared with a traditional two-phase flow evaporation concentrator with the heating area of 18 m<2> in a factory and an operating method thereof, the device and the method under approximate operation conditions have the advantages that the total heat transfer coefficient and evaporation intensity are improved, a wall hanging phenomenon of the two-phase flow evaporation concentrator is avoided, the wall hanging phenomenon existing in a traditional Chinese medicine extracting solution evaporation concentrator is eliminated, and high-efficiency continuous and stable operation is realized.

The invention relates to a fiber containing polyelectrolyte and a preparation method thereof. The preparation method is as follows: spinning the mixed solution of polyelectrolyte sol and spinning solution to obtain the fiber containing polyelectrolyte; the dispersed phase particles in the polyelectrolyte sol mainly It is a polyelectrolyte conjugate. The prepared fiber is mainly composed of a fiber matrix and a polyelectrolyte conjugate distributed in the inner layer and / or outer layer of the fiber matrix. The polyelectrolyte conjugate is mainly composed of soluble cationic polyelectrolyte and soluble anionic polyelectrolyte. Bonding is formed, and the polyelectrolyte conjugate is mainly combined with the fiber matrix through hydrogen bonding. A fiber containing polyelectrolyte and its preparation method according to the present invention can apply cationic polyelectrolyte solution and anionic polyelectrolyte solution to fiber forming, and the prepared fiber containing polyelectrolyte has stable structure, good mechanical properties, and excellent promotional value.