104results about How to "Permanent" patented technology

The invention discloses an automobile exhaust degenerating material as well as the application thereof, and relates to an environment-friendly material as well as the application thereof. The invention solves the problems existing in prior automobile exhaust degenerating material that the application scope is small, the cost is high, and the manufacture method is complicate. The automobile exhaust degenerating material of the invention is composed of a nanometer titanium dioxide photocatalyst and a binder by the weight ratio of (1-2):20. The automobile exhaust degenerating material of the invention is used for degrading the automobile exhaust road surface, wherein, the application method of the automobile exhaust degenerating material is of a spraying method or a spreading method. The automobile exhaust degenerating material has the advantages of strong practicality, simple process, easy construction application, wide application scope, less material dosage per unit area and low cost. The efficiency in degrading toxic gases of HC and CO in the automobile exhaust can reach higher than 70 percent, the automobile exhaust degenerating material of the invention can be recycled, and the degradation degree to toxic gases after the automobile exhaust road surface degraded by the invention is flushed by rain can be still maintained above 60 percent.

The invention belongs to the technical field of pollution treatments, and discloses a method for restoring soil with carex nubigena. An earthing depth of the soil polluted by lead, zinc, copper, cadmium and arsenic is 0-1m, the surface soil is flattened, and a relative humidity of the soil reaches above 50 percent by watering; and a PH value of the soil is adjusted to 5.0-7.5 by adding acidic materials to the soil. The carex nubigena is transplanted, and a cluster distance of transplanting is 20-100cm; and/or seeds of the carex nubigena are sown, and a sowing density is 5-30g/m<2>; and the carex nubigena is reaped once every half a year, and/or the carex nubigena is reaped when the height is larger than 60cm, underground roots are remained after reaping so that the carex nubigena grows again, and the reaped plants are centralized and treated including being burned by a fuming furnace. According to the method, the overground part of the carex nubigena is reaped, and lead, zinc, copper, cadmium and arsenic in soil are removed, so as to achieve the purpose of restoring soil.

The invention relates to a low-floating-fiber glass fiber reinforced polypropylene material and a preparation method thereof. The low-floating-fiber glass fiber reinforced polypropylene material is prepared from, by weight, 100 parts of polypropylene resin, 15-30 parts of high-melt-strength polypropylene, 10-50 parts of glass fiber, 1-3 parts of a compatilizer, 5-15 parts of an ethylene-propylene segmented copolymer and 1-2 parts of other auxiliaries. According to the preparation method of the low-floating-fiber glass fiber reinforced polypropylene material, screw extrusion processing is adopted, and the screw combination design principle is adopted, wherein the first region and the second region are only composed of conveying components, the third, fourth, fifth, sixth and seventh regions comprise shearing components, the eighth, ninth and tenth regions are composed of conveying components, and the extrusion temperature is 165-230 DEG C. According to the low-floating-fiber glass fiber reinforced polypropylene material, the mechanical property is excellent, and the surface of the obtained low-floating-fiber glass fiber reinforced polypropylene material is smooth, clean and free of floating fiber.

The invention discloses a file hiding method based on NTFS disk file system structure, it includes following steps: (1) eliminates the illegal characters in the whole route name of the pending hidingfiles and gets a unique flow name; (2) founds a data flow of the root directory and its name is the flow name in steps (1); (3) copies the content sof files into the flow; (4) deletes the pending hiding files; (5) records the whole route information of the files.

A process for preparing the auto-cleaning nano-type composite wooden material includes such steps as proportionally mixing the anatase-type TiO2 nano-particles with resin, coating the mixture on a dipped paper, drying in air, baking, sticking it on both surface of an artificial wooden board, hot pressing at 135-150 deg. C under 1.4-2.0 MPa for 6-15 min.

The invention discloses a double-component composite elastic fiber. The fiber is an extended filament which is formed by parallel composite spinning of polybutylene terephthalate and polyethylene glycol terephthalate according to a weight ratio of (70: 30)-(30:70), crimp number of the fiber is 55-75/25mm, and the crimp radius is below 1.0mm. After thermal treatment, the elastic elongation ratio of the fiber is 80%-120%, and the elastic recovery ratio of the fiber is above 92%.

The invention discloses a printing and dyeing method for an anti-ant antibacterial anti-infrared camouflage fabric and the camouflage fabric. The printing and dyeing method comprises the following steps of: cold piling, scouring and bleaching, sizing, singeing, mercerization, bottom dyeing, printing, baking and coloring, reduction, developing and soaping, antibacterial treatment, 3-proof finishing and preshrinking, thereby obtaining a finished product after treatment of the 12 procedures. Infrared transmittance can be effectively shielded by the camouflage fabric, and meanwhile the camouflage fabric has good anti-ant and antibacterial effects. By adopting the printing and dyeing method disclosed by the invention, an effect of endowing multiple functions to one same knitted fabric is achieved, the problems that a conventional knitted fabric only has single function finishing and is relatively large in defect and poor in wearability are solved, improvement of a single property to multiple functions of fabrics is achieved, the problem that a part of properties are contradicted and degraded by one another in multifunctional composite treatment of the fabrics is solved, and the durability and wearability of the anti-ant antibacterial anti-infrared camouflage fabric are greatly improved.

The present invention discloses a dispersed sewage treatment system with solar power generation, which comprises a solar cell, a storage battery, a solar energy controller, an inverter, and a sewage treatment device. The solar cell transforms light energy into electric energy by photoelectric effect and delivers the electric power to the storage battery for charging the storage battery; the solar energy controller is connected respectively with the solar cell and the storage battery, while the inverter is connected respectively with the solar energy controller and the sewage treatment device. Existing dispersed sewage treatment equipment and facilities that require commercial power supply have the defects of high running cost and are difficult to popularize and apply on large scale in economically undeveloped areas and places with power supply difficulties, while the present invention provides an energy-saving and economical dispersed sewage treatment system which provides the required electric power for the sewage treatment system by solar power generation; provides electric energy for the sewage treatment system by using the solar cell to transform light energy into electric energy; and achieves the advantages of permanence, cleanness, economy and universality.

The invention relates to the technical field of production of polyester fibers, in particular to a preparation method of a superfine denier moisture absorption and sweat release ice cool antibacterialfiber. The preparation method comprises the following steps: (1) preparing a polyester melt; (2) preparing a nanometer ice cool jade powder mixed with trace amount of the polyester melt; (3) preparing a cross-shaped cross section polyester fiber; and (4) winding and forming the polyester fiber. According to the preparation method of the obtained superfine denier moisture absorption and sweat release ice cool antibacterial fiber, a certain amount of the nanometer ice cool jade powder is added, so that the fiber achieves the antibacterial effect while the heat conductivity coefficient of the fiber is improved, and the fiber is mixed together with the cross-shaped cross section abnormal fiber, so that the fiber achieves the effects of transporting moisture, releasing sweat, cooling, and being antibacterial and bacteriostatic. In addition, the nanometer ice cool jade powder and a fiber-forming polymer are tightly combined, last permanently, and do not fall off even after the fiber is washed and worn for a long period of time, in addition, the superfine denier moisture absorption and sweat release ice cool antibacterial fiber is in contact with the skin for long, and has the effects ofimproving blood microcirculation, promoting metabolism, preventing diseases and eliminating fatigue.

The invention provides an access-control unlocking method. The method comprises the following steps: electric energy can be sent as an electromagnetic radiation form with real time by access control; an intelligent power-free key receives the electric energy with a preset distance from the access control so as to supply power to the intelligent power-free key; the intelligent power-free key obtains the user fingerprint image information and transits the information to the fingerprint information to-be-verified, a wireless signal containing the fingerprint information to-be-verified is emitted; the access control receives the wireless signal to obtain the fingerprint information to-be-verified, and the fingerprint information to-be-verified is compared with the preset fingerprint information pre-stored by the access control; if the preset fingerprint information is matched with the the fingerprint information to-be-verified, unlocking of the access control is carried out. The invention also provides the intelligent power-free key and an access-control unlocking system. an authentication mechanism of the access-control unlocking system has the advantages of safety, reliability and simple operation, when electric quantity of a battery of the intelligent power-free key is exhausted, user verification is still realized, and access control is unlocked, so that the access-control unlocking system has great convenience for an user.

The invention discloses a pearl blended regenerated cellulose fiber, its preparation process and application. Calculated by weight percentage, the present invention consists of the following materials: nano-scale pearl powder dry powder: 1%-10%, cellulose: 90%-99%. The preparation process of the present invention is as follows: (1) pulp; (2) dipping; (3) pressing, pulverizing; (4) aging; (5) yellowing; (6) dissolving; (7) adding nano-scale pearl powder dry powder (8) stirring evenly; (9) ripening; (10) spinning; (11) finished product after post-processing. The pearl blended regenerated cellulose fiber prepared by the present invention can be used to prepare short fibers and filaments, and has the advantages of nourishing skin and skin care, whitening skin, anti-ultraviolet rays, moisture absorption and ventilation, comfortable wearing, all-natural and durable.

The invention discloses a preparation method of polyester modified composite three-dimensional crimped short fiber. The preparation method is characterized by comprising the following steps of: firstly, performing modifying on common PED, so as to obtain low-viscosity PET, with the viscosity being 0.55 and the melting point being 220 degrees, secondly, getting common PET with the viscosity being 0.67 and the melting point being 265 degrees, thirdly, ensuring that the two types of PET are respectively molten and crushed through two screws and then enter a spinning component to perform composite fiber forming, and then enter winding filament containing buckets after being subjected to circular blowing and air cooling, fourthly, performing bundling stretching after the total denier number of all the filament containing buckets is achieved, so as to ensure that fiber achieves required fiber number, and fifthly, performing relaxation heat setting and then performing cutting, packaging and warehousing.

The invention discloses an environment-friendly, antiflaming and antistatic foaming material and a preparation method thereof. The foaming material is mainly prepared by blending the following ingredients in parts by weight: 100 parts of foaming-level EVA or LDPE, 27 to 49.5 parts of environment-friendly fire retardant and 6 to 20 parts of antistatic agent. Prepared by blending the foaming-level EVA or LDPE, the environment-friendly fire retardant and the antistatic agent, the invention has environment-friendly, antiflaming and antistatic properties.

The present invention relates to a kind of magnetic attraction floor boards which are mutually connected by utilizing magnetic force. Said magnetic attraction floor board is composed of floor board, floor board base seat, permanent magnet and iron sheet. Said invention also provides the concrete structure of said magnetic attraction floor board and its concrete construction method and steps.

The invention discloses a preparing method of 1.5D three-dimensional hollow down-like short fiber. The preparing method comprises the following steps that (1) PET and PBT respectively select Sinopec Yizheng chemical fiber spinning level semidull varieties, and the compounding proportion PET:PBT is 6:4 through calculation according to the weight percent; (2) the PET and the PBT enter a compounding assembly through respective screw extruding machines, and the two raw materials are sprayed out through C-shaped spinneret holes after being combined, and enter a winding yarn containing barrel through annular blowing air cooling forming; (3) yarns in the yarn containing barrel are subjected to beam collection and are then subjected to stretching and silicon processing, and the yarns enter a drying shaping machine after being cut off; (4) silicon oil is cured at 175-DEG C high temperature; (5) loosening hot shaping is carried out, and then, the yarns are cut and packaged and enter a warehouse.

The invention discloses a method for preparing a hygroscopic and quick-drying cool feeling yarn. The hygroscopic and quick-drying cool feeling yarn is composed of hydrophilic polyester fiber 40 to 90wt%, cotton 0 to 15wt%, and regenerated cellulose fiber 0 to 60wt%. The yarn prepared by using the method for preparing the hygroscopic and quick-drying cool feeling yarn and the finally prepared fabric have the cooling effect, so that the wearer always feels both dry and cool, which overcomes the shortcomings of the fabric with only a single function. In addition, the yarn prepared by using the method for preparing the hygroscopic and quick-drying cool feeling yarn has permanent hygroscopic, quick-drying and cooling effects, and the hygroscopic, quick-drying and cooling effects cannot gradually decline with the increase of the number of washings as the yarn finished by a finishing agent.

The invention discloses a high-elasticity extinction TSF composite fiber chip fabric which is characterized in that the high-elasticity extinction TSF composite fiber chip fabric is made through extrusion, metering, yarn recombination, filament spraying, cooling, oiling, stretching and shaping, and winding of an extinction PTT constituent melt and an extinction PET constituent melt; the ratio of the extinction PTT constituent to the extinction PET constituent is 6:4-4:6; the extinction PET constituent contain PET and ash; the ratio of PET to ash is 98:2; the extinction PTT constituent contains PTT and ash; and the ratio of PTT to ash is 98.5:1.5. According to the invention, elasticity of the high-elasticity extinction TSF composite fiber chip fabric can be enhanced; certain light shielding effects can be achieved; production efficiency and production quality can be increased; and production cost can be reduced.