26 results about "Colloid" patented technology

The invention discloses a konjak water-absorption fiber and its preparing method, milling the refined konjak flour by colloidal mill and then decoloring and refining to make konjak micro flour with a limiting viscosity of 450-650 cu cm/g, using water as solvent and preparing a spinning pulp with konjack micro flour concentration at 3-15% and cross-linking concentration at 0.01-0.18%; filtering and vacuum-defoaming the spinning pulp, then extruding into silks, making silk beams enter in coagulation bath, and stretching them while coagulating, wherein the stretching multiple is 1.2-2.4, and finally washing and drying to make it, having dry-state intensity up to 2.5Cn/dtex, fiber length >=25mm, water absorption >=85g(water)/g(fiber), and salt water absorption >=80(salt water)/g(fiber). The invention has the advantages of wide sources of raw materials, excellent product performance, lower production cost, but no environmental pollution, etc, being a desired material for making baby sanitary things, beauty masques, fresh keeping materials for foods, medicinal dressings, etc.

The invention discloses a manufacturing process of an interlayer copper connector of a printed circuit board. The manufacturing process comprises the following steps: coating a glue resin layer and sticking and pressing release paper on two sides of the outer surface of an insulation layer; forming pores and machining; removing the release paper on one side and coating a copper layer; filling holes with electric conductive colloid; removing the release paper on the other side and coating a copper layer; and pressing, fitting and curing. According to the invention, by adopting a simply and easily operated silk screen printing technology and by combining the electric conductive colloid with low liquidity, the chemical copper depositing and plating technology in the production technology of the traditional printed circuit board is replaced successfully, the conduction performance of the copper layer on performance can be achieved, zero emission and zero pollution in the environment protection aspect are achieved, the investment total amount in device input and plant input aspects is reduced, the investment hazard is reduced, and the conditions for rapid production and manufacturing cycle shortening are provided for the market demand of the printed circuit boards on the aspect of production efficiency.

The invention relates to a multi-quantum well photovoltaic battery based on a nanometer graphite electron transmission layer, and a preparation method thereof. The battery comprises a front electrode, an anti-reflection layer, N-type silicon, P-type silicon and a back electrode, wherein a composite layer composed of graphite and semiconductor quantum dots is arranged between the anti-reflection layer and the N-type silicon. Compared to the prior art, the method is characterized in such a way that a sol method is employed, first of all, a semiconductor quantum dot colloid is prepared; under the effect of a surfactant, the graphite is uniformly dispersed to the colloid, and then, by taking the graphite as a crystal growth liquid, a uniform an ordered electron transmission layer and a semiconductor quantum dot layer are grown on the surface of a crystal silicon chip in a deposition mode. According to the invention, by use of a quantum dot impact ionization effect and a namometer effect and excellent electron separate transmission performance of nanometer graphite, the minority carrier life and the quantum efficiency of the photovoltaic battery are improved, and the nanometer graphite can improve separation and collection of electrons by the silicon solar battery, improves photoelectric currents and accordingly improve the conversion efficiency of the silicon solar battery.

The invention relates to a zinc oxide-based nano-drug composition, and a preparation method and an application thereof. The preparation method of the composition comprises the following steps: 1, mixing a sodium hydroxide and/or potassium hydroxide-alcohol solution and a zinc acetate-alcohol solution to obtain a zinc oxide colloid reaction solution; 2, taking the zinc acetate-alcohol solution, simultaneously or successively adding the zinc acetate-alcohol solution and the drug molecule-containing sodium hydroxide and/or potassium hydroxide-alcohol solution to the zinc oxide colloid reaction solution obtained in step 1; and 3, centrifuging a mixed solution obtained in step 2, removing the obtained supernatant, washing the obtained material, purifying the washed material, and drying the purified material to prepare the composition. Zinc oxide is compounded with the drug through directly using the self properties of zinc oxide and the drug, and no polymer is introduced, so the synthesis method is simple and effective. The prepared composition has good dispersibility, the hydrodynamic size is 40-90nm, and the composition has the characteristics of high bioavailability, low toxicity and degradability.

The invention provides a light-emitting diode (LED), and a method for preparing the LED and a base of the LED, in particular to an LED. The LED comprises two spacing supporting legs, a Zener diode, a coating colloid and a plastic base. The Zener diode is arranged on one supporting leg, electrically connected with the supporting leg and electrically connected with the other supporting leg by a conductor wire. The coating colloid covers and completely shields the Zener diode and the conductor wire; furthermore, the plastic base accommodates and completely shields the coating colloid so that the grains can be arranged at the very center of the groove of the base, thus avoiding the Zener diode absorbing the light beam emitted by the grains. The coating colloid can protect the Zener diode before the plastic base is formed; furthermore, as the surface is a smooth arc, the plastic base can be attached to the coating colloid closely and is not easy to generate cavities when being formed.

The invention relates to a light-emitting diode packaging structure which is formed in a main way that an inner transparent colloid layer is additionally arranged between a light-emitting diode crystalline grain such as a blue crystalline grain and a fluorescence colloid layer such as a yellow fluorescence colloid layer, and an outer transparent colloid layer is matched with the inner transparent colloid layer to wrap the fluorescence colloid layer so as to reduce the condition that light rays of the LED crystalline grain are absorbed by the LED crystalline grain because of the reflection of fluorescent powder particles, which is helpful to improve the total light-emitting amount and lower the LED crystalline grain heat energy. In addition, the invention also provides better steam isolation for the fluorescent powder.

The invention discloses a preparation method of nano-magnesium hydroxide. The preparation method comprises the following steps: carrying out ultrasonic dispersion on ammonia water and a sodium hydroxide solution so as to obtain a mixed alkali solution, and adding the mixed alkali solution into a reactor; putting the reactor in an ultrasonic field, dropwise adding a polyethylene glycol 6000 water solution into the reactor in a constant speed, and further carrying out ultrasonic dispersion for 0.5-1 hour; dropwise adding a magnesium chloride water solution into the reactor in a constant speed; after the dropwise adding of the magnesium chloride water solution, further carrying out ultrasonic dispersion for 0.5 hour; adding turbid liquid obtained in the reaction into a hydrothermal reaction kettle for treatment, so as to obtain Mg(OH)2 precipitates; and carrying out suction filtration, washing, drying and grinding on the precipitates, so as to obtain nano-Mg(OH)2. Nano-magnesium hydroxide is prepared by virtue of an ultrasonic-hydrothermal coupling method, and reaction conditions are easily controlled, so that the problems that nano-Mg(OH)2 particles easily form colloid in a solution and are unlikely to be filtered are solved; and the particle size of the prepared nano-Mg(OH)2 particles is small, the particle size distribution is uniform, the crystallization degree is high, the technical flow of the preparation method is simplified, the energy consumption is reduced, and the production cost is saved.

The invention discloses a multi-pin micro-Newton colloid thrustor which comprises an insulating envelope, a sleeve, through-wall joints, multi-pass, capillary pipelines, an insulating base, a metal gasket, an extracting pole, an accelerator, an insulating spacer, an insulating sleeve ring, an insulating bolt, emitting poles and leads; wherein, the capillary pipelines are connected with the multi-pass in the sleeve, the multi-pass is connected with a plurality of capillary pipelines used for outputting, and the capillary pipelines are respectively connected with the through-wall joints on the insulating base; the other end of each through-wall joint is connected with one emitting pole; the two ends of the leads are fixed on the insulating base and the insulating envelope; the bottom end of the sleeve is connected with the insulating envelope, and the top end thereof is connected with the insulating base by the insulating bolt; the insulating bolt is sequentially provided with nuts, the extracting pole, the insulating sleeve ring, the accelerator and the insulating spacer. The invention can conveniently form different types of thrustors by changing the internal diameter of the emitting pole, adjusting the distance between the emitting poles and the extracting pole, increasing or decreasing the number of the through-wall joints and the emitting poles as well as replacing the multi-pass, thus realizing different regulating ways of the performance of the thrustor.

The invention belongs to the technical field of clinical in vitro diagnostic reagents and relates to a dry chemical reagent tablet for quantitatively measuring the concentration of total cholesterol and a preparation method of the dry chemical reagent tablet. The dry chemical reagent tablet comprises four laminations which are respectively a support layer, a color developing layer, a reagent layerand a diffusion layer distributed sequentially; and reagents in the reagent layer include a buffer system, a hydrophilic colloid, peroxidase, an activator, a surfactant and a stabilizer; and reagentsin the color developing layer include a chromogen and a hydrophilic colloid. Compared with the prior art, the dry chemical reagent tablet and the preparation method thereof of the invention have theadvantages of simple operation process, high stability, high good repeatability and high accuracy of detection results, quantitative detection, wide linear range, simple and convenient preparation process, easiness in operation, low risk and low pollution. According to the dry chemical reagent tablet and the preparation method of the dry chemical reagent tablet of the invention, the reagents do not need to be prepared, and samples can be directly added dropwise; the reagent tablet is dry and is free of moisture; the diffusion layer has a filtering function, so that hemolysis, bilirubin and ascorbic acid samples exert no significant interference on measurement results.

A screen printing method of LED module with phosphor includes: board preparation providing an LED module board with a substrate and a plurality of LED sources fixed on the substrate. The LED sources are flip chip structural and the metal electrodes thereof are fixed to the bonding pads of the substrate. A screen board is provided with meshes corresponding to the shiny sides of the LED sources of the substrate one by one. A projection of each mesh to the shiny side of the corresponding LED source has similar shape with the shiny side of the LED source. The top of the screen board is printed with allocated colloidal phosphor until each mesh is coated fully. The printed substrates are baked to solidify the phosphor. The periphery of the shiny side is fully coated.

The invention discloses a sealing adhesive used for automobile part changing. The sealing adhesive consists of the following raw materials in parts by weight: 35 to 45 parts of natural rubber, 18 to 26 parts of EPDM rubber, 6 to 8 parts of paraffin oil, 7 to 9 parts of atomizing carbon black, 0.8 to 1.2 parts of sulfur, 5 to 7 parts of a ceramic micro powder, 6 to 8 parts of lignin, 6 to 8 parts of nanosilicon dioxide, 1.1 to 1.4 parts of an anti-aging agent, 9 to 12 parts of a softening agent, 5 to 7 parts of polyethylene glycol, 4 to 6 parts of dimethyl silicone, 1 to 2 parts of polyurethane, 2 to 4 parts of linear polyethylene, 3 to 6 parts of triallyl isocyanurate, 1 to 4 parts of dicumyl peroxide, 1 to 3 parts of a lubrication dispersing agent, 4 to 6 parts of zinc oxide and 5 to 7 parts of sodium silicate. The sealing adhesive has the beneficial effects that firstly, the sealing adhesive is high in lubricating property, high in heat resistance and high in aging resistance, the twisting force is prevented from being increased to cause twisted fracture in the assembling process, and the service life is long; secondly, the sealing adhesive is high in processing safety, high in elasticity, stable in colloid chemistry performance, good in sealing effect, sturdy and durable, high in adhesive property and unlikely to cause sun cracks and falling.

This invention provides one rapid test bar for 0139 cholera vibrio antigen, which covers 0139 cholera vibrio antibody and IgG on NC film and combines glue gold label 0139 vibrio antigen single clone antibody and applies film analysis double antibody clamper and tests label 0139 cholera vibrio antigen.

The invention relates to an optical fiber ribbon coating paste used in a band shape optical cable. The paste is mainly composed of a base oil, an oil separation inhibitor, a pour-point depressant, an anti-oxidant, a tackifying lubricant, an organic densifier and a thixotropic agent. The invention also provides a preparation method of the paste. The optical fiber ribbon coating paste is mainly characterized by good colloid stability, oxidation stability, hear resistance and weatherability, free oil separation system, low acid value, large penetration degree, strong clunging, good permeability and low viscosity. The paste can help the optical fiber ribbon of the band shape optical cable always stay at a most stress-free state in the loose cannula and the cable core of the cable.

The invention discloses a preparation method of a filtering material for adsorbing fluorine ions in water, and a preparation method, wherein Al-PAM, NaOH, diethylenetriamine, carbon disulfide, (NH4)2CO3, AlCl3 and a monomer acrylamide are used main raw materials, an adsorbent uses a metal hydroxide colloid as a base material, and a large number of polyacrylamide polymer branch chains are grafted on the surface of nanoparticles to obtain an organic-inorganic hybrid flocculating agent. According to the present invention, the raw materials are simple, the preparation process and the treatment process are simple, the chemical stability is high, the method is easy to implement in practical applications, and the product has excellent adsorption effect on fluorine ions in water.

The invention relates to a wig. The wig at least comprises a base, hair is planted on the base through the adhering effect of a plurality of colloid bulges, under the use state of the wig, the base isconfigured in a manner that on the positions corresponding to the colloid bulges, by responding to the hole forming operation of air holes, local space change occurs relative to the hypothesis planeof the base, meanwhile, on the positions corresponding to the outer edges of the colloid bulges, by responding to the wearing movement during use of the wig, the local space change occurs relative tothe hypothesis plane of the base, then the area, close to the outer edges of the colloid bulges, on the base is driven to slantwise extend to the other areas of the base in the cambered surface with the radius of curvature changing not continuously, so that a second annular local area surrounding the colloid bulges is formed, and a fluctuating structure is formed on the base in the manner that theinclined curved face where the first annular local area and the inclined curved face where the second annular local area is located are not parallel to each other.

The invention relates to a separation method for high-quality cashew proteins. The separation method comprises the following steps: (1) crushing and sieving cashew kernels, performing microwave treatment, and separating cashew oil by using a hydraulic cold-pressing method; (2) adding cashew meal in pure water, performing refining through a a colloid mill, and performing homogenizing treatment; (3) performing alkaline conditioning and dynamic ultra-high pressure treatment, performing centrifugation, extracting supernatant, regulating the pH to an isoelectric point, performing centrifugation, and washing precipitates with warm water; (4) performing homogenizing and spray-drying on the precipitates to obtain the high-quality cashew proteins. According to the separation method, process links are continuous and compact, the industrial production is easy, and products are high in yield and quality.

A LED package structure includes a heatsink slug, a positive-electrode frame, a negative-electrode frame, and a LED module electrically connected with the positive-electrode frame and the negative-electrode frame, respectively. The heatsink slug is provided, on its surface, with a converged ladder-like recess, where the LED module is fixed on a plane deep inside the recess. Thereby, the fluorescent-colloidal-layer covering on the LED module has an increased thickness in a normal direction, making the color-lights emitted from the chips and from the fluorescent colloid in the space and in every direction able to be maintained so as to achieve a better spatial color uniformity.

The invention discloses a waste water recycling method. The method comprises the following steps: conveying waste water into a waste water pool, and conveying the waste water in the waste water pool into an activated carbon tank through a lifting pump; filtering suspended solids and colloidal substances in the wastewater through activated carbon; feeding the wastewater with the adjusted PH value into an ultrafiltration device, and then removing colloidal substances in the wastewater; conveying the treated wastewater into a reverse osmosis RO membrane system, wherein the reverse osmosis RO membrane system is used for concentrating and separating concentrated water and fresh water according to the ratio of 1:4; and directly applying the concentrated and separated fresh water to a water point for production, adjusting the pH value of the concentrated and separated concentrated water to 6-7, feeding the concentrated water into a CME electrolysis device through a pump for electrolytic oxidation, treating the concentrated water, and conveying the treated concentrated water into a wastewater collection tank. The invention provides a wastewater recycling method which is simple, convenient to operate, stable and reliable in performance and long in service life, can be applied to pretreated wastewater in all walks of life, and can be used for effectively recycling the wastewater.

The invention relates to a two-component silicone foamed rubber capable of being porcelainized for insulating heat and a preparation method thereof, and belongs to the technical field of sealing, flame retardant and fire-resistant functional high polymer material. The two-component silicone foamed rubber is prepared by mixing a component A which is prepared by adopting a plurality of types of functional filler and a plurality of types of premixed base rubber, and a component B which is prepared by adopting a plurality of functional additives; and the finished foamed rubber comprises the functional filler, the premixed base rubber and the functional additives in parts by weight: 150 to 200 parts of the functional fillers, 100 parts of the premixed base rubber and 8 to 20 parts of the functional additives. The preparation method disclosed by the invention is flexible in process, easy to operate and control, good in adaptability and high in production efficiency; a preparation process issimple and feasible relatively; the two-component silicone foamed rubber capable of being porcelainized for insulating heat prepared by adopting the preparation method provided by the invention is good in adhesive strength of solidified colloids, and excellent in heat resistance, and has a sound insulating property, a heat preservation property and weather resistance; the foam is smooth and the expansion coefficient is controllable; by burning at a high temperature, the porcelain is hard and dense, light in weight and stable, and integrated completely, and does not have a cracking and pulverizing problem.

The invention provides a colloidal gold test strip for the detection of Leptospira. A monoclonal antibody of Leptospira specific antigen LipL32 or polyclonal antibody of anti Leptospira specific antigen, and a quality control double-antibody IgG coat a nitrate cellulose film (NC film), and a membrane chromatography double antibody sandwich method is adopted to detect the leptospira in a specimen in combination with a monoclonal antibody of colloidal gold labeled Leptospira specific antigen LipL32. The test strip is simple in operation, convenient, and fast, and has the advantages of no requirements of special instruments and special training, clear and identified result, and easy popularization. The test strip is suitable for base course, large scale site detection of an accident and epidemiological investigation, and has auxiliary effect on the diagnosis of leptospira infection.

The invention discloses waste gas treatment equipment for an incinerator, and relates to the technical field of waste gas treatment. The waste gas treatment equipment for the incinerator comprises a waste gas reaction bin, a connecting pipeline is fixed to the right side of the waste gas reaction bin, a colloid pipeline is embedded and fixed to the top end of the waste gas reaction bin, a filtering and cleaning device is fixed to the upper end of the interior of the waste gas reaction bin, and the filtering and cleaning device comprises a linear motor, a filter screen, an L-shaped sliding rail and a control structure. According to the waste gas treatment equipment for the incinerator, the filtering and cleaning device is arranged at the air outlet of the colloid pipeline, so that the purposes of primary filtering and cleaning are achieved, solid particles in waste gas are primarily filtered through the filter screen, and then the linear motor controls the collecting bin to move; and in the moving process, the filter screen is cleaned through rotation of the steel brush roller, solid particles attached to the filter screen are cleaned down, and the filter screen can be effectively prevented from being blocked.