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

The invention relates to a lightweight folding-resistant thermoplastic rubber sole, a thermoplastic elastomer composition and a preparation method thereof, in particular to the thermoplastic elastomer composition for the thermoplastic rubber sole. Comprising the following raw materials: a styrene-butadiene block copolymer, butadiene styrene rubber, polybutadiene, a foaming agent, an accelerant, asbestos fibers, diatomite, sepiolite powder, polyethylene wax, an antioxidant, magnesium stearate and white mineral oil. The thermoplastic elastomer composition can complement each other in performance, so that a sole prepared from the thermoplastic elastomer composition has high elasticity, and the folding resistance of the whole system is effectively improved.

The invention discloses a fusion protein SACP, an encoding gene, an engineering bacterium and an application thereof in preparing wound dressing medicines. The fusion protein is composed of a spider silk protein nitrogen terminal sequence Nt1, fruit fly elastin Res1, Protein Ma1, Drosophila elastin Res2, mussel adhesion protein Ma2, Drosophila elastin Res3 and spider silk protein nitrogen-terminal sequence Nt2 are sequentially connected to form a total of 7 blocks; the novel biopolymer-fusion protein SACP of the present invention, Integrating the self-assembly performance of spider silk protein, the high elastic performance of Drosophila elastin and the high viscosity performance of mussel adhesion protein, the comprehensive performance is excellent, and the length is uniform, and it can be completely biodegraded. Pollution; Wound dressing drugs made of SACP can adhere to skin and wounds efficiently, and have excellent ductility, and have outstanding application performance in wound dressing.

The invention discloses an amorphous alloy golf club head and a manufacturing method thereof. A club head is integrally cast from amorphous metal materials, and comprises a neck part used for combining with the golf club, a hitting panel connected with the bottom of the neck part, a peripheral wall body located behind the hitting panel and forming a rear concave cavity with the hitting panel, a cushion block and an adjusting part, wherein the cushion block is arranged in the peripheral wall body in an embedded mode and used for reducing the casting thickness of the peripheral wall body, and aplurality of supporting columns are arranged on the cushion block, one ends of the supporting columns are fixedly connected with the cushion block body, and the other ends of the supporting columns are provided with exposed surfaces or exposed sections which are not covered with the peripheral wall body; and the adjusting part is connected with the supporting columns in a matched mode and used foradjusting the tightness between the cushion block and the peripheral wall body. According to the amorphous alloy golf club head, the golf head is integrally cast by adopting amorphous alloy, and thetechnical problem that the amorphous alloy golf head made of the existing amorphous alloy is very easy to form the mixture of the amorphous and crystal is solved.

The invention provides novel fusion protein NSCR5 and a preparation method thereof. The novel fusion protein NSCR5 is characterized in that the fusion protein NSCR5 is formed by sequential connection of four sections including 6 poly histidine labels (6X His), a spider silk protein amino terminal sequence (NT), drosophila Resilin, a spider silk protein carbon terminal sequence (CT) and diatom silicon deposition peptide (R5) and the like; the novel fusion protein NSCR5 is as long as 602 amino acid residues and is obtained by a whole-genome synthesis method, and codon compositions are optimized. The fusion protein NSCR5 can be used for producing 70-1200mg / L of fermentation liquor with purity ranging from 82-95%. The novel fusion protein NSCR5 has photocatalysis crosslinking, highly elastic, self-assembling and silicon depositing characteristics and has a broad application prospect in the biomedical field.

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 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 discloses low elasticity modulus novel medical zirconium alloy and a designing method thereof. The low elasticity modulus novel medical zirconium alloy disclosed by the invention is prepared from the raw materials in atomic percent: 0.1at.% to 3at.% of tin, 3at.% to 5at.% of copper, 0.1at.% to 15at.% of niobium and the balance of zirconium. The designing method of the low elasticitymodulus novel medical zirconium alloy comprises the steps: utilizing a quadratic regression orthogonal rotation combination design to perform ingredient design to obtain an experiment scheme; then converting atomic percent of all alloy elements in the scheme into weight percentage to obtain a weight ratio scheme; performing alloy preparation, a compression experiment and further phase analysis anda microscopic structure observing experiment according to the weight ratio scheme obtained from the combination design; then utilizing SPSS to analyze experiment results and finally obtaining a mathematic model of alloy performance and alloy elements. The zirconium alloy designed out according to the mathematic model has the advantages of low elastic modulus, moderate compression strength and yield strength, high elastic energy and ability in meeting a requirement of clinical medicine to an implant material.

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.

A method for preparing an amorphous alloy reinforced racket, comprising steps: step S1: connect amorphous alloy strips to both ends of the carbon cloth, one end of the amorphous alloy strip extends out of the carbon cloth by 10mm-100mm; step S2: connect the carbon cloth The cloth is rolled into a long strip, and then the extended amorphous alloy strip is wrapped around one end of the long strip of carbon cloth, and then wrapped with carbon yarn; Step S3: Make the rolled long strip of carbon cloth into the frame of the racket Initial shape; Step S4: Open a card slot in the middle of the joint between the racket shaft and the racket frame, insert the amorphous alloy sheet into the slot; Step S5: Wrap the joint between the racket shaft and the racket frame with carbon fiber cloth, and connect the racket shaft to the racket frame. The racket frame is connected to form a racket embryo, which is put into the molding mold, solidified and formed under the heating condition of 120-160°C, and after cooling, the semi-finished badminton racket that has been formed in the mold is taken out. The invention utilizes the high strength, high elasticity, high hardness, light weight and other excellent properties of the amorphous alloy material to enhance the strength of the joint between the racket frame and the racket shaft, and reduce the risk of fracture here.

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.