110results about How to "No wrinkle" patented technology

The invention relates to an anticorrosive paint, particularly to a compound water-based inorganic anticorrosive paint with the functions of cathode protection and anti-static electricity and a preparation method. The compound water-based inorganic anticorrosive paint comprises the following components in mass percent: 0.1-4% of oxidized graphene, 22-34% of zinc powder, 1-3% of attapulgite AT, 15-18% of potassium silicate, 11% of iron oxide red, 30-45% of distilled water and 0.2-0.8% of sodium polyacrylate. The anticorrosive paint has the characteristics that oxidized graphene and zinc powder are used as the main raw materials of the anticorrosive paint, the use amount of zinc powder is greatly reduced, the electrical conductivity and hardness of the paint are improved, the technology is simple, the anticorrosive paint is green, environment-friendly and good in corrosion resistance, and can be applicable to anticorrosive painting of various metal pipelines and metal members.

The invention provides a silicone acrylate emulsion and graphene oxide-modified inorganic paint and a preparation method thereof. The paint is an anticorrosion priming paint which takes an alkali metal aqueous solution as a film forming substance, takes graphene oxide and zinc dust as a main filling material, and takes the silicone acrylate emulsion as a modifier. The silicone acrylate emulsion is obtained by the processes that an appropriate auxiliary agent is added in an organosilicon monomer containing an unsaturated bond as well as an acrylic acids monomer, and the materials are polymerized through a core-shell coating polymerization technology; flexibility of a film is improved when the emulsion is added in the inorganic paint, and Van der Waals force of a coating on a base material is increased. and the graphene oxide has excellent conductive performance and mechanical property. The experiment proves that flexibility, salt fog resistance, adhesive force and conductivity of the paint are obviously increased.

The invention provides a low temperature resistant winter epoxy coal tar pitch coating comprising a component A and a component B according to a weight ratio of 5-7:1. The component A is prepared from an epoxy resin, coal tar pitch, a dispersing agent, flatting agents, barium sulfate, a talcum powder, bentonite, and solvents in parts by weight; the component B comprises polyamide and xylene according to a weight ratio of 1:1. With combination of the epoxy resin and the coal tar pitch, not only excellent film-forming and corrosion resistance properties of the epoxy resin are exerted, but also the problems of high temperature flow and low temperature cold brittleness of a pitch material are better solved, the coating layer is resistant to low temperature and can be used in winter, and the service life of the coating is prolonged.

The invention provides a textile dyeing and finishing process capable of replacing yarn dyeing. The process comprises steps of preparing, weaving, dyeing and finishing; and the yarn dyeing effect is achieved by matching cotton yarn and polyester staple fiber necked yarn and reasonably matching yarn density, textile density and arrangement and combination of weft and warn yarns. The process has a simple procedure, low cost and diverse dyed colors; meanwhile, the woven textile has the characteristics of high elasticity and resilience, strong fabric, crease resistance, high conformality and strength, durability and high light fastness.

The invention provides a synchronous feeding structure of a lower traction wheel, and belongs to the technical field of sewing machines. The problem that an existing sewing machine only uses upper andrear traction wheels for feeding, and accordingly when multiple layers of sewing materials are conveyed, the upper and lower layers of sewing materials are always staggered. The synchronous feeding structure of the lower traction wheel structurally comprises a rotating shaft and the lower traction wheel, the rotating shaft penetrates through a workbench of the sewing machine and is parallel to the upper traction wheel, the rotating shaft is coaxially sleeved with the lower traction wheel, the lower traction wheel is located under the upper traction wheel and opposite to the upper traction wheel, a swing rod is fixed to the rotating shaft, a transmission assembly used for driving the swing rod to swing when a main shaft rotates is arranged between the swing rod and the main shaft of the sewing machine, and a one-way assembly used for limiting the lower traction wheel to rotate in one direction all the time when the swing rod swings is arranged between the rotating shaft and the lower traction wheel. The synchronous feeding structure has the advantages that the structural design is reasonable, the application range is wide, and the sewing materials are not staggered or wrinkled whenmultiple layers of sewing materials are sewn.

The invention discloses an antibacterial radiation-proof fabric which comprises an outer layer and an inner layer, wherein the outer layer and the inner layer are both made of wraps and wefts in an interwoven manner; the wraps and the wefts of the outer layer are all composite yarns; the composite yarns take spandex yarns as core yarns; the core yarns are wrapped by nano titanium dioxide catalyst antibacterial fiber; the inner layer is of a plain knitting structure; the wraps and the wefts of the inner layer are twisted yarns; the twisted yarns comprise modal, wool yarns, Lycra and silver fiber which are twisted together. The nano titanium dioxide catalyst antibacterial fiber of the outer layer of the antibacterial anti-radiation fabric has an excellent antibacterial effect and can reduce contact between bacteria and skin; the silver fiber of the inner layer has a remarkable anti-radiation effect and can enhance the resistance; meanwhile the antibacterial anti-radiation fabric is relatively good in warm keeping property and air permeability, and free of wrinkle and deformation.

The invention belongs to the field of spinning and provides a new elastic fabric and in particular provides a broken elastic filament elastic yarn elastic fabric. The elastic fabric is mainly characterized by using broken elastic filament elastic yarns as wefts, using common fiber yarns as warps or using broken elastic filament elastic yarns as wefts and warps to weave the elastic fabric with various patterns. The elastic fabric has the beneficial effects that the elastic fabric is convenient to weave; the fabric cover does not have wrinkles or flaws; the patterns are clear; the elastic fabric has soft hand feel and bones; compared with the existing polyurethane core-spun elastic yarn elastic fabrics, the elastic fabric further provided by the invention has comfortable elasticity, resilience and shape maintaining property; and the grade and quality of the elastic fabric are improved.

The invention discloses a vulcanization forming mold and manufacturing method of a specially-shaped saturated nitrile rubber laminated cloth diaphragm, and belongs to the technical field of rubber laminated cloth products. The vulcanization forming mold comprises an upper die of the mold, a middle die of the mold and a lower die of the mold, wherein a rotary body protruding outwards is arranged at the lower part of the upper die of the mold; a trapezoidal hole in a vertical direction is formed in the middle die of the mold; an arc section is formed on the bottom of the side surface of the trapezoidal hole; a round table body protruding outwards is arranged at the upper part of the lower die of the mold; the periphery of the round table body of the lower die of the mold is sleeved with the middle die of the mold; the middle die of the mold is in clearance fit with the lower die of the mold; a concave die cavity is formed inside the round table body; the structure of the die cavity is matched with the rotary body of the upper die of the mold. The manufacturing method comprises the following manufacturing steps: preparing sizing materials of fabric cloth and a diaphragm body; pressing the fabric laminated cloth by the middle die of the mold, and tightening the fabric laminated cloth; and vulcanization and forming. By adopting the vulcanization forming mold and the manufacturing method thereof, the problems of wrinkling of the specially-shaped saturated nitrile rubber laminated cloth diaphragm product and fracture of the laminated cloth are solved, and the qualified rate of the specially-shaped saturated nitrile rubber laminated cloth diaphragm is increased.

The invention discloses a manufacturing method of a self-adhesive protective film for vacuum plating. The manufacturing method comprises the following steps: weighing the following raw materials in parts by weight: 100 parts of polyethylene resin, 2-15 parts of acrylate monomer, 0.2-5.0 parts of a first processing additive, and 0.2-1.0 part of a second processing additive; firstly, dissolving the acrylate monomer and the first processing additive in a solvent to obtain a solution, then uniformly mixing the solution with polyethylene resin and the second processing additive in a blender, realizing in-situ grafting and extrusion granulation in an extruder, finally film-forming the prepared grafted granules through a blow molding or tape-casting method directly. The manufacturing method is simple in process; the manufactured protective film is vacuum-plated in a local position, needing to be protected, of a part; during vacuum plating, the surface of the film has no wrinkle and no deformation, is stable in adhesion, good in attachment property and re-peeling performance, has no residue phenomenon; the protective film is excellent in barrier and mechanical properties, non-toxic, environment-friendly, safe and practical, and is an excellent vacuum-plated protective film material.

The invention discloses a vulcanization forming mold and manufacturing method of a specially-shaped saturated nitrile rubber laminated cloth diaphragm, and belongs to the technical field of rubber laminated cloth products. The vulcanization forming mold comprises an upper die of the mold, a middle die of the mold and a lower die of the mold, wherein a rotary body protruding outwards is arranged at the lower part of the upper die of the mold; a trapezoidal hole in a vertical direction is formed in the middle die of the mold; an arc section is formed on the bottom of the side surface of the trapezoidal hole; a round table body protruding outwards is arranged at the upper part of the lower die of the mold; the periphery of the round table body of the lower die of the mold is sleeved with the middle die of the mold; the middle die of the mold is in clearance fit with the lower die of the mold; a concave die cavity is formed inside the round table body; the structure of the die cavity is matched with the rotary body of the upper die of the mold. The manufacturing method comprises the following manufacturing steps: preparing sizing materials of fabric cloth and a diaphragm body; pressing the fabric laminated cloth by the middle die of the mold, and tightening the fabric laminated cloth; and vulcanization and forming. By adopting the vulcanization forming mold and the manufacturing method thereof, the problems of wrinkling of the specially-shaped saturated nitrile rubber laminated cloth diaphragm product and fracture of the laminated cloth are solved, and the qualified rate of the specially-shaped saturated nitrile rubber laminated cloth diaphragm is increased.

The invention relates to an obstacle removal and weeding robot for an electric equipment fence. The obstacle removal and weeding robot comprises a trolley, wherein a controller, a water tank and a water pump are arranged on the trolley; a remote receiving module is arranged on the controller; a weeding spraying agent is arranged in the water tank; a fixing seat is arranged at the front end of the trolley; a second motor is arranged at the fixing seat; a fixing plate is arranged at an output shaft of the second motor; two engaged gears are arranged on the fixing plate; first connecting plates are respectively arranged on the gears; each first connecting plate is hinged to one end of a mechanical arm; a clamping sheet is arranged at the other end of each mechanical arm; a second connecting plate is hinged to the middle part of each mechanical arm. The obstacle removal and weeding robot has the advantages that by utilizing remote controlling, the trolley is moved within the range of the electric equipment fence; by controlling the mechanical arms to do reciprocating movement, the function of removing foreign matters is realized; by controlling the water pump, the weeding spraying agent in the water tank is sprayed out through a spray nozzle, so the weeds in the electric equipment fence can be removed, and the short-circuiting of high-voltage equipment to ground is avoided.

A low-cost enamel-like paint for internal and external walls is prepared from polyvinyl alcohol fluorescent whitening agent, thickening agent, ultramarine, light calcium carbonate, urea, heavy calcium carbonate and water. Its advantages are smooth surface, high film hardness, high adhesion, high resistance to acid and alkali corrosions, and low cost.

The invention belongs to the technical field of coatings, and particularly relates to one-step coated film-formed high-gloss automobile metal wheel hub paint and a preparation method thereof. The paincomprises 40-55 parts of acrylic resin, 20-26 parts of amino resin, 8.0-13 parts of nano-metal pigments, 4.0-7.0 parts of auxiliaries and 10-15 parts of diluents. The acrylic resin reacts with the butyl ether amino resin, and the one-step coated film-formed high-gloss automobile metal wheel hub paint with high-temperature resistance, good adhesive force and high additional values can be obtainedby the aid of the metal pigments. Moreover, an original triple-coating triple-baking or triple-coating one-baking preparation process is changed into a one-coating one-baking paint preparation process, and the paint has better performances such as high gloss and salt fog resistance. The method is simple in preparation process and suitable for industrial production.