77results about How to "Strong fastness" patented technology

The invention relates to a sun-proof composite modified polypropylene pipe for power cable protection. The pipe comprises the following components in percentage by weight: 73 to 78 percent of PP (Propene Polymer), 10 to 15 percent of POE (Polyolefin Elastomer), 4.8 to 5.2 percent of nano calcium carbonate, 0.3 to 0.4 percent of nucleating agent, 0.2 to 0.25 percent of coupling agent and 0.5 to 1 percent of sun-proof lubricating composite functional master batch. Not only does the pipe have better low-temperature impact resistance, wherein impact energy in a falling weight impact test at a temperature of minus 5 DEG C is improved by over 2.5 times, the friction coefficient is reduced by 40 percent and the Vicat heat-resistance temperature is risen by 5 DEG C, but also sun-proof performance of the pipe is improved and the application range of the power pipe is enlarged.

The invention provides temperature-sensitive waterproof moisture-permeable shell fabric and a preparation method thereof. The preparation method includes soaking base cloth in hydrochloric acid for hydrolysis, wherein the base cloth is shell fabric which can contain an amino and/or hydroxy structure after being hydrolyzed; soaking the hydrolyzed base cloth in a glutaric dialdehyde solution for pre-crosslinking reaction, and subjecting the pre-crosslinked base cloth to padding treatment in temperature-sensitive hydrogel so as to obtain crosslinked base cloth; applying the surface of the crosslinked base cloth with a coating agent and baking so as to obtain the temperature-sensitive waterproof moisture-permeable shell fabric. The temperature-sensitive waterproof moisture-permeable shell fabric has the advantages of good temperature-sensitive performance and waterproof moisture-permeable performance as well as excellent washability because of good bonding performance and high bonding firmness between the temperature-sensitive hydrogel and nylon fabric.

The invention discloses a preparation method of PBT silver-ion antibiotic moisture-absorption deodorization fibre, which comprises the following steps of: (1) crystallizing a material in advance, wherein the material is the mixture of a PBT slice and a silver-ion SHT antibiotic plastic master batch; concretely, crystallizing in advance by adopting dry hot air; (2) feeding the material in a screw type: firstly, drying the master batch by the hot air and then feeding the material obtained after mixing the master batch and the PBT slice into a screw extruder by a special master batch feeding machine which can measure the master batch; (3) filtering: filtering the mixture extruded by the extruder wherein the continuous production of spinning and the constancy of the pressure of the screw extruder are ensured during filtering; and (4) spinning: delivering the mixture from the filter to a spinning assembly, ejecting from a spinneret plate by the spinning assembly, and then coiling and forming. The fibre has favorable durability, dimensional stability and better elasticity, and the elasticity is free from the influence of the humidity.

The invention discloses a preparation method for a BOPET (biaxially oriented polyester) high-imitation metal wiredrawing VCM film. The method includes: conducting surface wiredrawing treatment on one side of a transparent BOPET film; coating one surface without surface wiredrawing treatment by a polyurethane UV curable paint, carrying out UV photo-curing and heat curing, and performing natural cooling to obtain a surface hardened coating; coating the surface subjected to surface wiredrawing treatment with a model SC-400 pre-aluminizing prime coat to obtain a fastness enhanced coating; conducting vacuum aluminizing processing on the fastness enhanced coating to obtain a vacuum aluminized layer; and coating the aluminized surface of the vacuum aluminized layer with a model SC-500 topcoat, thus obtaining an antioxidant protective coating. Single-layer BOPET is adopted as a film main material, thus reducing the dosage of a raw material film, saving the production cost, prolonging the product life and improving the tolerance to various adverse conditions. The film obtained by the method has the visual effects of an imitated metal wire drawing board, thus realizing the purpose of high simulation of different material wiredrawing metal boards.

The invention discloses a double-side adhesion hard screen protection film. The double-side adhesion hard screen protection film comprises a PET base material layer. An organosilicone bottom adhesive layer is arranged on one side surface of the PET base material layer, and an acrylic ester adhesive layer is arranged on the other side surface the PET base material layer. A release film layer is arranged on the surface of the acrylic ester adhesive layer. An organosilicone surface adhesive layer is arranged on the surface of the organosilicone bottom adhesive layer in a coating mode, and another release film layer is arranged on the organosilicone surface adhesive layer in an attaching mode. Due to the adoption of the structure and the method, the double-side adhesion hard screen protection film has the advantages that the adhesion strength is high, the light transmission performance is good, and the film has high fastness, will not bubble or be scratched easily and has compression resistance; bottom adhesives are additionally applied before applying organosilicone adhesives, and therefore the organosilicone adhesive layers and the PET base material layer can be bonded more firmly; the film is ultrathin and can exhaust air quickly and automatically in the adhering process, and adhesive residues will not remain when the protection film is replaced; the film is stable in performance.

The invention relates to a car garment cloth containing poly ethylene (PE) and oxford fabric (polyester taffeta); the surface layer of the car garment cloth is made of the PE; a layer arranged under the PE is made of the oxford fabric or polyester taffeta; and the PE is stuck with the oxford fabric or polyester taffeta in a compounding way without a medium. A car garment made from the car garment cloth has the functions of the common car garment, is strong in firmness so as to be not easily torn, and also has a waterproof function.

A frustum filter used for separation of cation and anion exchange resins, which is used in condensate water polishing system or apparatus, wherein said frustum filter comprises a microporous filtering net body (1) which is formed by sintering a mixture of silicon carbide grains and a binder, said net body being provided with a plurality of micropores, the diameter of said micropores being in a range of 50-300 micron, said filtering net body (1) being shaped as an inverted truncated cone and its maximum diameter being in a range of 50-200 cm, the angle between a inner tapered face and a horizontal plane being in a range of 15°-30° and the thickness of said filtering net body being in a range of 2 cm-14 cm. Some reinforcing steel bars which have the property of high temperature resistance are embedded in said filtering net body(1) in advance. A steel ring (6) welded at the housing (2) is fixed on the external circumference of said filtering net body (1). This invention has the following advantages: it can distribute evenly water and has high strength; it can not be blocked easily and will not create dead zones when filtration; the product of the invention has high strength and cannot be deformed easily over the prior art; it also has the properties of strong acid fastness, strong alkali fastness, high temperature resistance, oxidation resistance.

The invention belongs to the technical field of textiles and particularly relates to warp and weft forwards and backwards entwisted interwoven impregnated core fabric for a conveyor belt. The white body fabric is formed by interweaving warp and weft. The weft and the warp are respectively composed of forwards entwisted yarn formed by twisting at least two strands of raw material yarn and backwards entwisted yarn formed by twisting at least two strands of the raw material yarn. The two strands of the warp form a group and the two strands of the warp of each group are used for forming forwards entwisted knots and backwards entwisted knots in the warp direction, wherein the forwards entwisted knots and the backwards entwisted knots are arranged at intervals. The weft is compactly arranged at the corresponding forwards entwisted knots and the corresponding backwards entwisted knots or in closed loops which are formed by the backwards entwisted knots, the forwards entwisted knots and the two strands of the warp. The outer surface of the white body fabric is provided with at least one glue layer which is formed through impregnation. The raw material yarn is chinlon filament yarn or polyester filament yarn. The warp is interwoven to fix the weft, the woven core fabric is not prone to deformation, the service life is long, off tracking is avoided in long-distance conveying with the manufactured conveyor belt, the glue layer and the rubber are stuck and off tracking is avoided. The service life of the conveyor belt is prolonged.

The invention discloses a dye for terylene fabric embossing, which is prepared by the following components by weight percentage: 80% to 90% disperse red BLSF, 0.5% to 2% 3B red, and 8% to 18% diffusat MF. The invention also provides a manufacturing technique of the dye. The invention has the advantages of stable color tone, bright color, firmness, high dye uptake, environment friendliness, and safety.

The invention discloses a fabric used for a door curtain. The fabric comprises a fabric main body. The innovative points of the invention are as follows: the fabric main body is formed by braiding of warp and weft; a transparent layer is sewed on the upper surface of the fabric main body; rib stitches are uniformly arranged on the transparent layer; warp is an acrylic fiber filament with a fineness of 70 D and weft is a terylene textured yarn with fineness of 68 D; and a plurality of rows of net structures are arranged on the fabric main body. The fabric used for the door curtain touches soft and smooth and has a pure color and high fastness; the surface of the fabric presents a feeling of plumpness and fineness; and since the plurality of rows of heart-like or elliptic net structures are arranged on the fabric main body of the fabric, when the door curtain is put down and a door is opened, wind enters a room through splits, which enables ventilation to be realized while allowing the door curtain not to flutter with wind, and a part of light rays enters the room through the splits, which enables indoor illumination needs to be met.

The invention discloses an automobile cover cloth containing an aluminum foil and an oxford fabric (polyester taffeta). The upper layer of the automobile cover cloth is the aluminum foil; the oxford fabric or polyester taffeta is arranged on the lower layer of the aluminum foil; and the aluminum foil is adhered with the oxford fabric or polyester taffeta by glue. An automobile cover made by the cloth has a function of the common automobile cover, has high firmness, is difficult to tear away, and can preserve and insulate heat and prevent the paint on the surface of an automobile from being scratched.

The invention discloses an aluminum alloy plate with wood-grain paper, which comprises a surface layer (1) and a bottom layer (2), wherein the surface layer (1) is a wood-grain paper layer, and the bottom layer (2) is a non-woven fabric layer. A bonding layer (3) is provided between the surface layer (1) and the bottom layer (2), and the surface layer (1) and the bottom layer (2) are connected through the bonding layer (3) to form a composite paper layer, and the composite paper layer and The decorative aluminum plate (4) is connected, and a reinforcing plate surface (5) is provided between the composite paper layer and the decorative aluminum plate (4). The invention makes the fastness of the decorative aluminum alloy plate stronger and tougher, and the surface tension increases.

The invention provides a preparation method of a flexible high-strength textile-based conductive composite material. According to key points of the method, a cellulose nanocrystal (CNC) is used as a template, a conductive monomer is added in a low-temperature acid state, then persulfate is slowly added dropwise, a conductive polymer/CNC hybrid material is generated through in-situ oxidative polymerization, a metal salt solution is added dropwise, then a polyvinyl alcohol (PVA) solution is added, the mixture is stirred uniformly and poured into a culture dish where a textile fabric is spread, and the conductive composite material is obtained after natural air-drying. The material has both biocompatibility and the conductivity of the conductive polymer and also has self-healing performance and excellent mechanical properties and wearability of a textile matrix; and moreover, the material has excellent sensing performance and can perform human exercise monitoring, thereby having broad application prospects in the fields of strain sensors, intelligent robot sensing skin, flexible wearable electronic equipment and the like.