732results about How to "No environmental pollution" patented technology

The invention discloses a manufacturing method of paint dyeing weaver with oxford textile, chambray and denim, which comprises the following steps: predisposing warp; drying; dyeing; predrying; drying; after-treating; shafting warp; weaving; dressing; finishing one step by one machine continually. The invention satisfies large batch and scale manufacturing request, which is fit for producing original paint dyeing and other pain dyeing weaver product.

The invention relates to a continuous magnetic control sputtering coating production line of a large-area anti-reflection conductive film, which comprises a plurality of vacuum chamber blocks which are adjacent in sequence, deployed in the transverse direction of a bedplate and communicated with a pumping system and comprise a pre-vacuum chamber and the like, a film advancing area and a film discharging area closely adjacent to the film advancing area, wherein, the film advancing area consists of a translational-motion rack for film advancing and the like, and the film discharging area consists of a translational-motion rack for film discharging and the like; magnetic-steering transport devices are arranged on the vacuum chamber blocks, the film advancing area and the film discharging area, together with an adaptive workpiece backing up rack form a production loop which runs continuously and circularly along the coating direction of a running loading frame and the backing up direction of the running loading frame so as to realize the technical proposal of continuous magnetic control sputtering coating of the large-area anti-reflection conductive film for a substrate. The production line of the invention overcomes the defects of the traditional transparent conducting film production line, namely, the transmittance range is narrow, no transport room is provided, the conversion ratio of transport speed of the substrate loading rack is small and production efficiency is low and the like. The production line of the invention is applicable to the production of the large-area sputtering coatings of transparent conductive films, anti-reflection films and high-reflection films and the like of various display panels, solar panels and decoration panels.

The invention relates to the field of the processing of lithium-ion battery diaphragms, and discloses a preparation method for a microporous diaphragm. The preparation method for the microporous diaphragm includes the following steps: 1) a principal polyolefin resin and an auxiliary additive are uniformly stirred through a stirring mixer to obtain a mixture I; 2) the obtained mixture I is added into an extruder to be uniformly melted and plasticized into a melt; 3) an intermediate diaphragm is prepared from a cast piece of the melt extruded from a die head; 4) annealing treatment is performed on the intermediate diaphragm under bi-directional micro-tension; 5) the annealed intermediate diaphragm is stretched longitudinally to prepare the diaphragm with a microporous structure. The invention further discloses the microporous diaphragm prepared through the method, which consists of the principal polyolefin resin with a weight percentage of 75 to 99.9 percent and the auxiliary additive with a weight percentage of 25 to 0.1 percent. The preparation method disclosed by the invention has the advantage that the lithium-ion battery diaphragm with a uniform structure, the specific microporous structure and high safety performance can be prepared.

The invention discloses a semiconductor sensor for ultraviolet detection and a preparation method of the sensor. The semiconductor ultraviolet detection sensor comprises a baseplate, electrodes loaded on the baseplate and zinc oxide nanowires which are positioned between the electrodes, connected in parallel and integrated, wherein the electrodes are two comb tooth-shaped electrodes which are arranged oppositely, one comb tooth of one electrode is inserted between two comb teeth of the other electrode so as to form the tooth insertion shape, and the zinc oxide nanowires are respectively connected in parallel and integrated on the adjacent two comb teeth. The light response current of the semiconductor ultraviolet detection sensor can achieve the milliamp magnitude, thereby significantly reducing the ultraviolet detection difficulty and the characterization difficulty of the strength thereof.

The invention discloses a sensor for ultraviolet detection and a production method thereof. The semiconductor sensor of the invention is integrated by two electrodes, and a zinc oxide nanowire positioned between the two electrodes in a parallel way. The production method of the semiconductor sensor of the invention comprises the following steps of: firstly growing a layer of zinc oxide nanowire array which is vertical to a substrate surface on a first substrate, then transferring the zinc oxide nanowire array onto the surface of a second substrate, placing an electrode pattern on a masking film plate onto a gluing surface, making the electrode pattern be vertical to the two ends of the oriented nanowire and cover the end parts of the nanowire so as to carry out exposing, developing and photoetching, then depositing at least one electric conduction metal-made electrode in an electrode area which is formed by photoetching in a physical method, then stripping the electrodes and the nanowire from the second substrate, connecting leads onto the electrodes, and finally obtaining the required device.

The dyeing process for elastic polyester-polyurethane fabric includes one dyeing step and one reducing and cleaning step. The dyeing step using disperse dye, ammonium acetate and dyeing assistant is performed in certain bath ratio and at certain temperature. The reducing and cleaning step using sodium hydrosulfite, sodium hydroxide and cleaning assistant is performed in certain bath ratio. The dyeing process can dye polyester component well at low temperature dyeing condition, and has well dyeing on polyurethane component and high color fastness.

The invention relates to coated glass with blue-light cutoff and visible light anti-reflexion dual functions and a preparation method therefor. According to the coated glass, a film layer structure consists of a blue-light cutoff film, glass and anti-reflection film sequentially, and coating is carried out by adopting a magnetron sputtering method; the transmittance is increased by 1.5% to 5.5% compared with that of uncoated sheet glass in the spectrum wavelength range of 380nm to 780nm; the blue-light cutoff rate is increased by 40% to 75%, and the ultraviolet ray cutoff rate is 100%; the pencil hardness of a film layer is 8.0H; the obtained coated glass can be applied to the fields of electronic display panels, mobile phone encapsulation glass cover plates, LED (Light Emitting Diode) lighting lampshades, show windows, eyeglass frames, locomotive and steamboat window glass and the like; and through observing through observation window glass, images are free from glare and are clearer, the fatigue of human eyes is reduced, and the injury to the human eyes is prevented.

The invention relates to a method for producing chitin, calcium citrate and albumen powder by using the shells of crustaceans like shrimps and crabs as the materials; the shells of shrimps and crabs are selected and arranged into an oven, and dried and then water with weight of 6 times of the shells are added; then the mixture is heated to be between 50 and 55 DEG C; then a neutral papain with a mass ratio of 1: 0.001 to 0.003 with the shells of shrimps and crabs, is added for carrying out zymohydrolysis and obtaining zymohydrolysis liquid; the zymohydrolysis liquid is filtered for obtaining the shells of shrimps and crabs; 15% to 20% citric acid solution is added for dipping for 24 to 36 hours; then the chitin is obtained through filtering, acid rinsing and drying; cold separation is carried out on the filtered liquid and a cold separation matter which can be named the calcium citrate is obtained through centrifugalizing; vacuum condensing and drying are carried out on the rest liquid obtained through centrifugalizing, thus obtaining the albumen powder. In the invention, the technical method adopts enzymes for removing proteins and citric acid decalcification for leading the separation of the protein and the calcium with the chitin to be more complete; the yield rate of the chitin is high; and the prepared chitin product has the advantages of white color, high purity and good quality.

The invention discloses a method for determination of the polychlorotrifluoroethylene (PCTFE) content in a polymer-bonded explosive (PBX) by near infrared spectroscopy. The method includes the steps of: preparing and collecting 260 PBX samples, taking 180 samples of them as a calibration set for establishing a calibration model, taking the remaining 80 samples as a validation set for model validation, and acquiring the near infrared spectrum data of all the samples; using a standard method to determine the PCTFE content in the samples; subjecting the spectrum data of the validation set samples in the wave bands of 6102.0cm<-1>-5697.0cm<-1> and 4680.2cm<-1>-4242.9cm<-1> to a first order derivative treatment, correlating the treated spectrum data with the PCTFE content by a partial least squares method, and establishing the calibration model by cross validation; employing the calibration model to predetermine the PCTFE content of the validation set samples, and selecting an optimal model according to a minimum root mean squared error of prediction (RMSEP) of the validation set; and acquiring the near infrared spectrum data of the samples to be determined, and making use of the optimal model to obtain the PCTFE content directly. Being suitable for determination of the PCTFE content in a PBX explosive, the method has the characteristics of convenient operation, and rapid and accurate analysis.

The invention provides a production method of gulonic acid in the production of vitamin C, which comprises the following steps: (1) ceramic film filtering: filtering and concentrating a fermentation broth through a ceramic-film filtering apparatus, and removing proteins, hypha, suspended substances, colloid, bacteria and other macromolecular organic substances in filter residues to obtain a gulconic sodium dialysate; (2) double-pole film electrodialysis system: processing the filtrate containing gulconic sodium salts by an electrodialysis system to as to convert the gulconic sodium into the gulconic acid solution; (3) nanofiltration concentration: concentrating the gulconic acid solution in a nanofiltration film apparatus to obtain the concentrated gulconic acid solution. The method can reduce the production cost, increase the total yield, enhance the product quality and achieve the aims of environmental protection and simple apparatus operation.

The present invention belongs to the field of low temperature plasma technology and chemical synthesis technology, and is especially apparatus for direct oxidization of propane with molecular oxygen to prepare propane epoxide and with coaxial bilayer glass medium discharge electrode structure. In the annular gap bilayer glass medium constitutes, propane molecule and plasma produce high energy electronic function generating isopropyl free radical and n-propyl free radical, and isopropyl free radical and the active oxygen matter oxygen molecule forms in plasma react mutually to oxidize selectively to produce propane epoxide. The present invention has the advantages of no catalytic condition, cheap clean material, simple operation process, no apparatus corrosion and no environmental pollution.

The invention relates to a fluorosilicone rubber cable material for a coal mine cable and a preparation method of the cable material. The cable material comprises the following raw materials: fluorosilicone rubber, methyl vinyl silicone rubber, precipitation-method white carbon black, light calcium carbonate, zinc oxide, magnesium oxide, stearic acid, an accelerator N, N-tetramethylthiuram disulfide, an antiager-2-mercapto benzimidazole, a vulcanizer-2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane, a flame retardant-ammonium polyphosphate, diphenyl silanediol, talcum powder and vaseline. According to the cable material, the advantages of the fluorosilicone rubber and the methyl vinyl silicone rubber as raw materials are combined, the performance of a conventional fluorosilicone rubber cable material is improved, the cable material has excellent performances such as friction and collision resistance, high and low temperature resistance, medium resistance, ageing resistance, flame retardance, waterproof and moistureproof properties, long service life and the like, the requirement of safety use in a coal mine in a special environment is met, and the preparation method of the cable material is simple in process and free of environmental pollution and three-waste emission.

The invention relates to superfine fiber synthetic leather and a preparation method thereof, and belongs to the technical field of synthetic leather. The superfine fiber synthetic leather consists of a superfine fiber synthetic leather base fabric, a foamed bottom sealing filling layer, a coating top layer, a coating bonding layer and a surface treatment layer, wherein the foamed bottom sealing filling layer comprises the following components in part by weight: 10 to 30 parts of water-borne comprehensive resin, 30 to 40 parts of water-borne foamed resin and 1 to 5 parts of waterproof agent; the coating top layer comprises the following components in part by weight: 70 to 90 parts of water-borne polyurethane, 3 to 10 parts of water-borne color paste, 1 to 5 parts of flatting agent and 1 to5 parts of handfeel agent; the coating bonding layer comprises the following components in part by weight: 70 to 90 parts of water-borne polyurethane bonding agent, 3 to 10 parts of water-borne colorpaste and 1 to 5 parts of flatting agent; and the surface treatment layer comprises the following components in part by weight: 1 to 5 parts of waterproof agent and 1 to 5 parts of handfeel agent. The superfine fiber synthetic leather has good properties of scratch resistance, pollution resistance and water resistance, and has wide application prospect; and by adoption of the superfine fiber synthetic leather, clean production can be realized.

The invention discloses a technique for processing ageing resistant spun-bond non-woven fabrics, comprising the following steps of in turn: addition of additives, slice transportation, extrusion, filtration via a fused mass filter, spinning, web forming, hot rolling to form fabric and so on. The technique adds a certain amount of antioxidants and light stabilizers, and can decompound hydroperoxides, prevent generation of free radicals, absorb harmful ultraviolet radiation and consume energy into heat so as not to cause photosensitization, thereby the aim of ageing resistance is achieved. The products can be kept degenerative in the sun for 6 months to the maximum degree, have good ageing resistance and good traction force, and are soft, dry, nontoxic and environment-friendly; the service life of the products is prolonged; moreover, the products can be naturally degraded after use, thereby no environmental pollution is caused. The technique can be widely used for manufacturing various sunshades and beach tents and in the fields such as agricultural harvest cloth, car covers and so on.