55results about How to "Dirt resistant" patented technology

A heat pump of sea water consists of compressor , exchanger of cold / hot media water ( ECHMW ) , exchanger of sea water ( ESW ) , gas / liquid separator , refrigeration pipeline and computer control unit . It is prepared by setting four - way valve on pipeline between compressor and ECHMW as well as ESW, setting through valve on pipeline between ECHMW and ESW and having media passing through pipe set in ESW . The prepared heat pump can utilize energy resource of sea water adequately.

A surface covering comprises a show surface, decorative layer, or face and an optional backing layer. The show surface, decorative layer, or face can comprise a decorative textile or fabric layer that is optionally saturated, covered, and/or coated with a protective film or film-forming composition. The backing can optionally comprise an agglomerated mass of particles, a foam, foam and particles, a felt, or a combination thereof. Methods for producing such surface coverings are also disclosed.

The disclosure relates to a composite coating material as well as a preparation method and application thereof. The composite coating material is prepared from a base material, a primer layer formed on the surface of the base material, a paint layer which contacts the primer layer, and a topcoat layer formed on one side of the paint layer opposite to the primer layer, wherein the primer layer is prepared from polyurethane acrylate, epoxy acrylate oligomer, a resin monomer and additives. The composite coating material disclosed in the disclosure can improve the aging and discoloration problems.Even if a composite coating of a light color system (e.g. white, light green, light pink, etc.) is used, the discoloration and aging problems can also be improved.

The invention discloses a fabric for airplane interior trimming, and relates to the technical field of fabrics for airplane interior trimming. The fabric for airplane interior trimming is prepared from PET, graphite, carbon fibers, glass fibers, a lubricating agent, anti-cracking pigment, terry yarn, a corrosion inhibitor, spinning oil, POY, wool and the like through processing production. According to the fabric for airplane interior trimming, the higher anti-static capacity is achieved, the fabric can be kept safe and sanitary due to the fact that sterilizing factors are contained, cleaning is convenient, the aid-sleeping function is achieved, and the wear-resisting function, the soiling-resisting function and the heat preservation function are achieved; the using comfort degree and the health maintenance effect of the fabric are improved, and the fabric is durable in use and has various beneficial functions.

The invention discloses a combed composite quilt and a manufacturing process thereof. The combed composite quilt is manufactured by wrapping a comforter inner with a quilt cover. The comforter inner comprises an outer wrapping layer and an inner core layer, and the weight ratio of the outer wrapping layer to the inner core layer is 1:3. The outer wrapping layer comprises raw cotton, polyacrylonitrile fibers, polynosic, bamboo carbon fibers, bast fibers, polypropylene melt sprayed yarn and spandex fibers. The inner core layer comprises raw cotton, polyvinyl alcohol fibers and polyvinyl chloride fibers. The combed composite quilt is good in warm keeping performance, softness and comfortableness, free of static, damp-proof, dustproof, resistant to dirt, breathable and antibacterial.

The invention relates to the technical field of manufacture of Y203 ceramic coatings, in particular to a method of processing and preparing a Y203 ceramic coating. The method comprises the following steps: choosing Y203 powder with purity higher than 99.95%, carrying out pre-processing on base materials to be sprayed, carrying out plasma spraying on the base materials through plasma spraying equipment to prepare the Y202 coating, and carrying out hydrogen plasma processing on the prepared Y203 coating in the last step to obtain a black Y203 coating. The black Y203 coating prepared through a hydrogen plasma reduction method is etching resisting and dirty resisting, and low in cost.

The invention discloses a modified polyurethane soap-free emulsion for leather finish. The modified polyurethane soap-free emulsion comprises components as follows: 20-30 parts of a waterborne polyurethane emulsion, 3-6 parts of a K2S208 initiator, 10-20 parts of 3-allyloxy-2-hydroxypropyl sodium iodate, 25-35 parts of water soluble epoxy resin and 20-28 parts of polyacrylamide, wherein the waterborne polyurethane emulsion is prepared with an ultrasonic dispersion method. The invention further discloses a preparation method of the modified polyurethane soap-free emulsion for leather finish. The preparation method comprises steps as follows: (1), preparation of the waterborne polyurethane emulsion; (2), preparation of the modified polyurethane soap-free emulsion. The product provided by the invention is environment-friendly, has high solid content, good film forming property, excellent coating compactness and wear resistance and high emulsion stability, and is suitable for a leather finishing agent, the preparation method of the modified polyurethane soap-free emulsion has low cost, the process is reasonable, and large-scale production can be facilitated.

The invention discloses a dust-free fabric, which comprises a dustproof layer and a fabric layer. A scarf joint layer is arranged between the dustproof layer and the fabric layer. A plurality of fine air vents are arranged on the upper surface of the fabric layer. The dustproof layer is formed by fibrous materials and nano materials in a weaving way by mixing. By adopting the method, the dust-free fabric can bring about unique comfort in the world of dresses, can be used in special working environments, has the advantages of no dust, dirty resistance, air permeability and the like, and fills the blank of the market in the aspect. Besides, the cost is low, the practicability is high, the energy is saved, the environment is protected and the popularization and the use are facilitated.

The invention provides stone-like concrete and an aluminum rust stone decorative structure manufactured from the same, and belongs to the technical field of decorative materials. The stone-like concrete comprises white cement, granite particles, glue and water, and the weight ratio of the white cement to the granite particles to the glue to water is 1:(1.5-2):0.05:(0.3-0.4). According to the design, construction is convenient, and the effect is stereoscopic, full, rich and diversified; the stone-like concrete has the advantages of being resistant to dirt, easy to clean, waterproof and long inservice life and can replace granite for decoration, and damage to nature due to mining is reduced; the problem about manufacturing of line string courses and window and door frame molds is solved; industrialized production of outer aluminum molds is achieved, and the molds are convenient to install and do not deform, and edges and corners are clear; through cast-in-place, the service life can beprolonged to a hundred years, mold removal is not needed, and time, labor and cost are saved; after pouring is completed, other visual surfaces except aluminum mold surfaces are processed into a stone-like effect through chiseling, chopping and the like; and an aluminum profile color processing technology is mature and stable, so that building decoration lines can be rich in color and colorful.

The invention discloses a miniature resonant-resistant three-phase outdoor composite insulation combination voltage transformer. Three voltage mutual inductors and a harmonic-elimination mutual inductors are arranged in the miniature resonant-resistant three-phase outdoor composite insulation combination voltage transformer, voltage mutual inductor primary winding coils are arranged on the voltagemutual inductors, a terminal of the primary winding coils of the three voltage mutual inductors is electrically connected with a primary terminal of the voltage transformer via a high-voltage fuse, the other end of the primary winding coils of the three voltage mutual inductors are connected in series to a coil terminal O of the harmonic-elimination mutual inductor, the other coil terminal N of the harmonic-elimination mutual inductor is connected to the primary terminal of the voltage transformer and is electrically and directly connected with ground for use, tail ends of secondary winding coils of the voltage mutual inductors are connected in series to a terminal o of the harmonic-elimination mutual inductor, protection winding coils of the voltage mutual inductors are sequentially connected in series in end-to-end way to form an opening triangle and a harmonic-elimination resistor is connected in series among openings of the opening triangle. By the miniature resonant-resistant three-phase outdoor composite insulation combination voltage transformer, the safety and the insulativity are greatly improved, three-phase unbalance and harmonic burnt-out phenomena are prevented, and miniature is achieved.

The invention belongs to the technical field of packaging materials and relates to a composite packaging material, in particular to a composite air bubble film. The composite air bubble film comprises a weaving layer, an air bubble layer and a PE foaming layer, wherein the weaving layer, the air bubble layer and the PE foaming layer are sequentially co-extruded to form the composite air bubble film. The composite air bubble film has the advantages of being high in strength and tear-preventing, has good buffering, abrasion-preventing, rainproof, damping, impact-resisting and heat seal performance, and the PE foaming layer has a function of protecting the surface of a packaged workpiece. The composite air bubble film integrates three purposes in one, and practical performance is greatly improved. The composite air bubble film has the advantages of being high in cleanliness, soft, light in weight, high in strength, tear-resistant, dirt-resistant and the like, has high shock resistance and elongation at break and is wide in application range.

The invention relates to the technical field of automated matching equipment, in particular to a modular sliding device and a use method thereof. The modular sliding device comprises a guide rail provided with tracks and sliding blocks installed in the tracks. Sliding sheets used for reducing friction are arranged on the contact surfaces of the sliding blocks and the tracks. In use, the sliding sheets are embedded and installed between the guide rail and the sliding blocks, the sliding sheets and the sliding blocks form an assembled integrated structure, the sliding blocks are supported by thesliding sheets and slide on the guide rail stably in a mode of sliding friction, frequent cleaning and maintaining of the guide rail are avoided, and thus the production efficiency is improved; besides, direct contact of the sliding blocks and the guide rail is avoided through the sliding sheets, abrasion is reduced, and the service life of the equipment is prolonged; and meanwhile the modular sliding device has high carrying capacity.

The invention relates to an antibacterial fabric with abundant colors and good resilience. The fabric sequentially comprises an antibacterial fabric layer (1), a fireproof fabric layer (2) and a waterproof fabric layer (3) from top to bottom. The antibacterial fabric layer (1) comprises a middle antibacterial fabric (1.1). Upper decoration matrix blocks (1.2) arranged in a staggered mode are arranged on the upper surface of the middle antibacterial fabric (1.1). Lower decoration matrix blocks (1.3) arranged in a staggered mode are arranged on the lower surface of the middle antibacterial fabric (1.1). A lining layer is composited on the back face of the waterproof fabric layer. The lining layer is formed by bi-color weft and warp composed of bi-color yarn and mono-color yarn. The antibacterial fabric has various functions, has the functions of resisting bacteria and resisting fire and water and has abundant colors and good resilience.

The invention relates to a wrinkle-resistant fabric with rich color and good resilience, comprising a fabric body (1), the upper surface of the fabric body (1) is provided with a vertically arranged hollow jacquard layer (2), and the lower surface of the fabric body (1) is An antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) are sequentially arranged on the surface downward. The lower surface of the waterproof layer is provided with a lining layer, and the lining layer is formed by interweaving warp yarns composed of two-color threads and single-color threads and two-color weft yarns. The invention is antibacterial, anti-radiation, fireproof, waterproof, antistatic, anti-wrinkle, delicate, soft and has a drape feeling.

The invention provides a light-cured coating, an ultraviolet light-cured hydrophobic anti-adhesion film surface and a preparation method thereof. The light-cured coating comprises the following components in parts by weight: 15-30 parts of polyurethane acrylate, 10-30 parts of nano Particles, 2-4 parts of photoinitiator, 1-15 parts of perfluoropolyether, 5-15 parts of perfluoro-modified long-chain alkylsilane and 30-50 parts of solvent. The invention uses polyurethane acrylate, perfluoropolyether and perfluoromodified long-chain alkyl silane to compound nanoparticles, so that the photocurable coating is crosslinked through photocuring reaction to form a tight coating, which has wear resistance and forms a cured coating. The super-hydrophobic microstructure of the substance enhances its hydrophobicity. Through the microstructure formation and ultraviolet curing methods, a concave-convex microstructure is produced on the surface of the prepared film, which produces a lotus leaf effect, enhances hydrophobicity, and achieves superhydrophobicity. Production Afterwards, it can be rolled directly without the need for a protective film, saving costs.

The invention relates to down feather synthetic leather with rich color and luster, good resilience and repellency against mosquitoes. The down feather synthetic leather comprises a base layer (1) and a surface layer (2), wherein an interlayer (3) is arranged between the base layer (1) and the surface layer (2), and comprises down feathers, the down feathers are flatly and uniformly arranged between the base layer (1) and the surface layer (2), the plastic surface layer (2) comprises a small fish scale-shaped knitted layer (2.1) at the inner layer and a mosquito repellent protective layer (2.2) at the outer layer. A lining layer is compounded on the back surface of the base layer, and formed by interweaving warp yarns which comprise double-color lines and single-color lines with double-color weft yarns. The down feather synthetic leather disclosed by the invention is rich in color and luster, good in resilience and mosquito-repellent.

The invention discloses a production method of digital functional printing seamless wall cloth. The production method comprises the following steps: (1) weaving gray cloth; (2) cleaning and shaping the gray cloth; (3) performing surface treatment on the gray cloth; (4) compounding cloth; and (5) performing digital direct-injection printing. The production method is simple in step and high in practicability, the waterproof, antifouling and mildewproof properties of the seamless wall cloth are improved, the aesthetic property of the seamless wall cloth can be enhanced through digital direct-injection printing, the manufacturing cost is reduced, and the service life is prolonged.

The invention relates to a waterproof fabric with rich color and good resilience. The waterproof fabric comprises a fabric body (1), wherein an anti-radiation layer (2) is arranged on the upper surface of the fabric body; a reinforcing layer (4) and an upper waterproof layer (8) are sequentially arranged on the upper surface of the anti-radiation layer (2); an antibacterial layer (5), a fireproof layer (6) and a lower waterproof layer (7) are sequentially arranged on the lower surface of the fabric body; a lining layer is arranged on the lower surface of the lower waterproof layer and is formed by interweaving of warp yarns and bi-color weft yarns, and the warp yarns consist of bi-color threads and unicolor threads. The waterproof fabric provided by the invention is strong in stereoscopic impression, resistant to bacteria, radiation, fire and water, rich in color and good in resilience.

The invention relates to #-shaped tweed with abundant color and luster and good rebound resilience. The #-shaped tweed comprises a fabric body (1); a plurality of bulges (2) are arranged on the outer surface of the fabric body; the bulges (2) are strip-shaped; two transverse bulges (2) and two vertical bulges (2) are crossed to form a # shape and extend toward the four sides to form a plurality of # shapes; flowers (3) with green leaves are arranged at the centers of the # shapes. A lining layer is arranged on the inner surface of the fabric body; the lining layer is formed through interweaving warp yarns composed of double-colored threads and single-colored threads and double-colored weft yarns. Compared with a flat structure and a tedious feeling of a woolen fabric, the #-shaped tweed with abundant color and luster and good rebound resilience has great stereoscopic sensation. The #-shaped tweed has abundant color and luster and good rebound resilience.

The invention discloses a source separation negative-pressure toilet deodorization system. The system comprises a ground row type source separation collection port, a water-vapor separator, PLC control equipment and a negative-pressure collection and purification host. The source separation negative-pressure toilet deodorization system has the beneficial effects that the PTFE coating treatment isadopted, so that the system has the characteristics of corrosion resistance, no water absorption, dirt resistance and good electrical insulating property; a micro aerodynamic principle and a principlethat a fluid zero-pressure area is generated by ground suction and lower exhaust air are adopted, so that peculiar smell is eliminated from the source; the porous dense wind energy evaporation dehumidification function is achieved; collecting equipment adopts a porous dense design principle, when the equipment is attached to the ground for deodorization, the wind energy can evaporate water on theground, water vapor is continuously taken away under the action of the wind energy, the water vapor is treated by the water-vapor separator at the rear end, and the water is independently collected and discharged. The equipment can achieve the purpose of dehumidifying the ground of the toilet while deodorizing.