31results about How to "High elastic performance" patented technology

The invention belongs to the technical field of wood floors, and in particular relates to an elastic floor and a production method thereof. The elastic floor comprises a floor substrate; and the surface of the floor substrate is coated with a high-elasticity UV paint layer which is formed by using large molecular weight flexible polymers and a large molecular weight active diluent as main film forming materials. The floor substrate is made of pure soft wood with a density between 0.35 and 0.55 or a medium and high density laminated plate with a density of 0.8. The production method for the elastic floor comprises the following steps: a) performing surface finish on the floor substrate; and b) coating the high-elasticity UV paint layer which is formed by using the large molecular weight flexible polymers and the large molecular weight active diluent as the main film forming materials. The elastic floor adopts the high-elasticity UV paint as finishing paint of the floor to prevent children from physical injuries because of falling, and has high elasticity after being coated with elastic pain despite that the substrate is made of the pure soft wood or the medium and high density plate.

The invention provides intelligent temperature-adjustment comfortable knitting fabric and a weaving method of the intelligent temperature-adjustment comfortable knitting fabric. The weaving method of the intelligent temperature-adjustment comfortable knitting fabric is characterized in that jacquard weave threading is combined with compound texture of variable ribbing and variable plain stitch for weaving, variable ribbing texture adopts phase change mucilage glue/ fine denier mucilage glue/ fine denier double-resistant acrylon blended yarns for alternate weaving, and variable plain stitch texture adopts fine denier mucilage glue yarns and spandex silks for weaving. Floating point lines of phase change blended yarns in the jacquard weave texture on the front surface of the fabric are symmetrically complementary in a staggered mode, and floating points of phase change blended yarns on the back surface of the fabric is more than fine denier mucilage glue yarn floating points, and is evenly distributed in a variable plain stitch mode along with the fine denier mucilage glue yarn floating points. The intelligent temperature-adjustment comfortable knitting fabric has the effects of being effect-reinforced, temperature-adjustable, fine and smooth, attached to skin, soft, warm and comfortable. Through material selection, a reasonable texture structure and weaving process routes, comfortable and temperature-adjustable functions of balance and effect reinforcement are achieved, the functions of heat storage and heat release of the knitting fabric are enabled to obviously improved at room temperature or in a variation range comfortable for human body temperature.

The invention relates to a high-elastic TPU thin film and a preparation method thereof. The method includes: according to ratio, performing three-stage mixing on prepared TPU granules, foamed siliconemaster batches, and modified nano-SiO2 master batches; feeding the mixture to a casting machine through an automatic conveying system; and extruding the mixture to form the thin film. The TPU thin film is high in elasticity and can be widely applied to the fields, such as: damping materials, packaging and toys, children's toys, sports equipment, aero-models, heat insulation materials, and automobile trim materials, etc.

The invention relates to an oil-resistant low-temperature-resistant flame-retardant polyolefin rubber cable material and a preparation method thereof, and belongs to the technical field of power cables. The oil-resistant low-temperature-resistant flame-retardant polyolefin rubber cable material is prepared from the following components in parts by weight: 90 to 110 parts of EVA resin, 100 to 160 parts of a nanoscale organic flame retardant, 5 to 10 parts of white carbon black, 15 to 25 parts of nano-pottery clay, 5 to 10 parts of a processing auxiliary agent, 0.5 to 2 parts of a silane coupling agent, 8 to 15 parts of a low-temperature plasticizer, 0.5 to 1.5 parts of an anti-ageing agent, 1.2 to 2.0 parts of a tasteless vulcanizing agent and 0.5 to 1.0 part of a vulcanizing auxiliary agent. The preparation method comprises the following steps: 1, plastifying: plastifying EVA resin particles for 5 to 8 minutes in an internal mixer, scrolling down and allowing standing still; 2, mixing: plastifying the primarily plastified EVA resin for 0.5 to 1.5 minutes; adding the processing auxiliary agent, the silane coupling agent, the nano-pottery clay and the white carbon black and mixing for 4 to 6 minutes; adding the nanoscale organic flame retardant, the low-temperature plasticizer and the anti-ageing agent and mixing for 5 to 7 minutes; adding the tasteless vulcanizing agent and the vulcanizing auxiliary agent in a later period. The invention has the advantages that the oil-resistant low-temperature-resistant flame-retardant polyolefin rubber cable material has excellent fire resistance, high mechanical property, high insulating property and high elasticity; the process is simple, the operation is convenient, the control is accurate, and the product is stable.

The invention discloses a preparation method for an amorphous alloy enhanced racket. The method comprises the steps that S1, amorphous alloy strips are connected with two ends of carbon cloth, and oneend of each amorphous alloy strip extends outside of the carbon cloth by 10 mm-100 mm; S2, the carbon cloth is rolled into a long strip shape, the extended amorphous alloy strips are packaged by oneend of the long strip-shaped carbon cloth and then are wrapped by carbon yarns; S3, the rolled long strip-shaped carbon cloth is made into an initial shape of a racket frame; S4, a clamping slot is set at the middle part of a connection part of a racket stick and the racket frame, and an amorphous alloy plate is inserted into the clamping slot; and S5, the connection part of the racket stick and the racket frame is intertwined by carbon fiber cloth, the racket stick and the racket frame are connected to form a racket blank, the racket blank is placed into a shaping mould, the racket blank is cured and shaped under a heating condition of 120-160 DEG C, and after cooling is carried out, a shaped semi-finished product badminton racket is taken out from the mould. According to the method, through utilization of excellent performance such as high strength, high elasticity, high hardness and light weight of an amorphous alloy material, strength at the connection part of the racket frame andthe racket stick is enhanced, and a fracture risk at the part is reduced.

The invention discloses a process for producing a blended fabric with high elasticity and high elasticity. The fabric is made of 32S-45ST polyester yarn and color yarn network silk which is added 20-40D spandex woven. Yarn wire network silk consists of 50-65% 32-40S bamboo fiber, 20-25% viscose and 15-25% lyocell network. The production process of the fabric is as follows: weaving, cutting, shaping, preshrinking and finished products (1) in the weaving, wherein the double rib machine is used for weaving, so that the fabric has a pumping style; (2) in the shaping, where in a long chain aliphatic softener or amino modified silicone softener is used, shaping temperature is 140 - 160 DEG C, the speed is 18 -0 26m / min, shaping setting upper position is 115 - 120% super, lower position is 100-110%, fan function is 95-100%;(3) in the preshrinking, the preshrinking temperature is 100-120 DEG C, the speed is 2-25m / min, the tension is 0.5-0.8N, and the super position is 20-30%. The fabric which is produced by the process for producing blended fabric with high elasticity and good environmental protection has the advantages of stiff anti-wrinkle, antibacterial activity, moisture absorption, soft and smooth and anti-ultraviolet.

The invention discloses MRRP protein, a gene, a carrier, engineering bacteria and application of the MRRP protein, the gene, the carrier and the engineering bacteria to preparation of wound healing medicine. The MRRP protein is formed by sequentially connecting mussel attachment protein Ma1, elastic drosophila melanogaster protein Res1, a spider silk protein nitrogen end sequence Nt1, a spider silk protein middle-piece repetitive sequence SSR, a spider silk protein carbon end sequence Ct1, elastic drosophila melanogaster protein Res2 and mussel attachment protein Ma2. The MRRP protein integrates self-assembling performance of spider silk protein, high elasticity of the elastic drosophila melanogaster protein and high viscosity of the mussel attachment protein, comprehensive performance is excellent, lengths are uniform, the MRRP protein can be biodegraded completely, the yield is high by adopting a microorganism method for preparing, and chemical pollution is avoided; the MRRP protein has high elasticity, and can bond wounds, so that the wounds are bonded without using lines.

The invention relates to a three-dimensional net structure with sound attenuation and high elasticity performance. The structure is made of a thermoplastic elastomer, the material hardness is in a range of 80-98 A, the density of the three-dimensional net structure is 20-100 kg/m<3>, and the structure is made of two different types of fibers including (1) hollow fibers which have the wire diameter of 0.3-2 mm and account for 40%-95% of all hole counts and (2) solid special-shaped fibers which have the wire diameter of 0.05-0.6 mm and account for 5%-60% of all hole counts. The compressive deformation durability, resilience, adaptability and sound attenuation performance of a support product are improved, so that the three-dimensional net structure has the longer service life and sound attenuation comfort when used as a buffer material.

The invention discloses a high-elasticity flame-retardant floor mat and a preparation method thereof. The high-elasticity flame-retardant floor mat comprises a chenille fabric composite layer, a rubber layer and a foamed rubber layer, wherein the foamed rubber layer is arranged in a sealing structure of the chenille fabric composite layer and the rubber layer; the chenille fabric composite layer is a composite structure of rubber having a thickness of 0.4-0.8 mm formed at the root of the chenille fabric; the foamed plastic layer comprises the following raw materials: polyvinyl chloride, ethylene-vinyl acetate copolymer, phenolic resin, EVA toughened resin, peroxy lauryl, a plasticizer, a foaming agent, a flame retardant and a color master batch; the rubber layer comprises the following rawmaterials: natural rubber, stearic acid, solution polymerized styrene-butadiene rubber, chlorinated butyl rubber, butadiene-acrylonitrile rubber, sulfur, an elastic modifier and a scorch retarder color master batch.

The invention provides a preparation method for a height-adjustable centrifugal pump. The height-adjustable centrifugal pump comprises a pump body, the lower end of the pump body is fixedly provided with a pump body supporting frame, and the bottom end of the pump body supporting frame is fixedly connected with a lifting supporting column body. The bottom end of the supporting column body is fixedly provided with a pump body supporting base, the side end face of the pump body is fixedly connected with a transmission rod, and the tail end of the transmission rod is fixedly provided with a motorfor providing operation power of the pump body. The lower end of the motor is fixedly provided with a motor mounting table. The lower end of the motor mounting table is provided with a plurality of supporting column bodies with the tail ends fixedly connected with a mounting base, and the upper end faces of the motor mounting table and the pump body supporting frame are provided with damping cushions correspondingly. The preparation method for the height-adjustable centrifugal pump has the beneficial effects that by arranging the lifting supporting column bodies on the lower end faces of thepump body supporting frame and the motor mounting table correspondingly, the height positions of the pump body and the motor can be effectively adjusted and controlled, a long delivering water pipe does not need to be mounted at a water inlet and a water outlet of the pump body by workers, the labor intensity is relieved, and the water delivering efficiency is improved.

The invention discloses high-elasticity polyvinyl chloride fabric-art tablecloth. The tablecloth comprises a PVC layer and a yarn layer, wherein the PVC layer is prepared through calendering, and theyarn layer is an environment-friendly degradable yarn layer; and the high-elasticity polyvinyl chloride fabric-art tablecloth is prepared by the steps of laminating double-surface embosses of the PVClayer and the yarn layer, printing, and reeling. The prepared high-elasticity polyvinyl chloride fabric-art tablecloth is high in flexibility, high in tear resistance and easy to clean, has anti-sliding performance and high elasticity and is relatively environment-friendly and relatively long in service life, and patterns and embosses can be printed on the prepared high-elasticity polyvinyl chloride fabric-art tablecloth.

The invention discloses a two-component self-repairing polymer cement waterproof coating based on a liquid core optical fiber method. The coating comprises a liquid material and a powder material. Onthe basis, a corresponding preparation method of the product is established. The waterproof coating is a two-component coating composed of liquid and powder, is an intelligent high-elasticity waterproof coating, has higher elongation and structural cracking resistance, and has self-healing capability structurally. The coating can be self-repaired by support of a repair agent with a tubular fiber,damage caused by long-term mechanical action of the coating can be repaired, and accordingly, self-repair after cracks of the waterproof coating and restoration of the waterproof function are achieved. During use, the liquid material and the powder material are uniformly mixed for forming in the mass ratio of 1:1, the obtained coating has high elasticity, and cracks with water after water seepagecaused by cracking can be self-repaired. Accordingly, the problem that waterproof treatment is required to be performed again after a waterproof layer is damaged is solved, and the coating has higherpractical application value.

The invention discloses a sock-insole two-in-one insole. The insole comprises an insole body, and the insole body comprises a first nano bamboo carbon fiber layer, a first polyurethane foamed plasticlayer, a supporting cushion block, a second polyurethane foamed plastic layer and a second nano bamboo carbon fiber layer from top to bottom in sequence; the supporting cushion block is located at theportion corresponding to the arch part of the human body and jacks upwards, and accordingly an arch protrusion part corresponding to the supporting cushion bock is formed at the upper side of the insole body; an insole half-sole part, an insole waistline part and an insole heel part are arranged from the front end to the rear end of the insole body in sequence, and wave-shaped edges which tilt upwards are arranged on the insole waistline part and the insole heel part respectively. According to the sock-insole two-in-one insole, the rigidity difference of the insole and the sole is small, theinsole is good in elasticity, the demand of modern people for comfortable feet can be well met, and the insole fits the foot stably, does not easily slide, and has the double effects of socks and insoles; damping and foot protection in the motion process can be achieved, the pressure of the arch can be effectively improved, sweat and air are discharged, the insole is cool and has a good effect, and the effects of sterilization, bacterium inhibition and deodorization are effectively achieved.

The invention discloses a fusion protein SACP, a coding gene, an engineering bacterium and application of the fusion protein SACP to preparation of wound dressing medicines. The fusion protein is formed by sequentially connecting 7 blocks, namely spider silk protein N terminal sequence Nt1, drosophila elastin Res1, mussel adhesive protein Ma1, drosophila elastin Res2, mussel adhesive protein Ma2, drosophila elastin Res3 and spider silk protein N terminal sequence Nt2. The novel biomacromolecule-fusion protein SACP integrates the self-assembly property of spider silk protein, the high elasticity property of drosophila elastin and the high viscosity property of mussel adhesive protein, is excellent in comprehensive performance and equal in length, can be completely biodegraded, and is high in yield and free of chemical pollution due to the microbiological preparation method; the wound dressing medicine prepared from SACP can be efficiently adhered to the skin and a wound, meanwhile, has favorable ductility and has outstanding application performance for wound dressing.

The invention provides a mechanical watertight connector, and solves the problem that ocean equipment can not be repaired since the sealing structure of an existing watertight connector or other connectors can not be disassembled. The watertight connector comprises a jack insulator component, a plug shell, a connection nut, a line clamping barrel, a spacing nut, a line clamping barrel nut, a waterproof cushion, a retainer ring, a tail nut and a rubber sleeve. When the tail nut is loosened, extrusion force is lost, after the tail nut is loosened, the retainer ring, the waterproof cushion, the line clamping barrel nut and the line clamping barrel are detachable, the cable can be disassembled and replaced, and the electrical connection of the ocean equipment in a deep sea environment and themaintenance and the repairing of equipment can be guaranteed.