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787results about How to "Improve folding resistance" patented technology

Formula of soles of PU-simulated foaming sneakers through injection and manufacturing method

The invention relates to a formula of soles of PU-simulated foaming sneakers through injection, which comprises the following raw materials in percentage by mass: 40 percent of 21 percent ethylene-vinyl acetate copolymer (EVA 7360), 16.7 percent of styrene butadiene copolymer SBBSJT-83, 12.5 percent of ethylene octylene copolymer POE8130, 8.3 percent of ethylene-propylene-diene copolymer 3745P, 65.9 percent of wear-resisting agent A-18, 8.3 percent of talcpowder, 0.25 percent of stearic acid, 0.42 percent of zinc stearate, 0.9 percent of zinc oxide, 0.08 percent of bridging auxiliary agent ET-102, 0.75 percent of bridging agent DCP, 1.7 percent of high-temperature foaming agent AC-6000H, 2.5 percent of titanium white powder R-103 and 1.7 percent of master batch. The preparation method comprises the steps of banburying, mixing, granulation, injection molding, physical property tests and the like. Thus, in the research and development and application, the PU-simulated foaming soles not only have the physical and chemical properties of no crease marks, high elasticity, low compression and wear resistance of PU soles, and but also have the advantages of low production cost, light specific gravity, good limited-slip properties, no hydrolysis and long service life.
Owner:泰亚投资集团有限公司

Preparation of Double-sided Photoelectrolytic Copper Foil for Special Lithium Batteries

ActiveCN102277597AStable production processHigh quality and efficient material selectionElectroforming processesElectrochemical responseCopper foil
The invention relates to the preparation of a double-sided photoelectrolytic copper foil for a special lithium battery, which comprises the following steps: preparing solution of a first additive, solution of a second additive, and copper sulfate electrolyte, wherein the copper ion concentration in the copper sulfate electrolyte is 70 to 100g/L, the sulfuric acid concentration is 100 to 170g/L and the chlorine ion concentration is 0.01 to 0.04g/L, and the temperature of the copper sulfate electrolyte is 40 to 60 DEG C; adding 60 to 200 milliliters of solution of the first additive and 35 to 100 milliliters of solution of the second additive into each cubic meter of electrolyte each hour, wherein the electrolyte formed by uniformly stirring enters an electrolytic cell and the electrolysis current density of the electrolyte in the electrolytic cell is 5,000 to 6,000A/m<2>; and after electrochemical reactions are accomplished, obtaining the double-sided electrolytic copper foil for a photic lithium battery. The preparation of the double-sided photoelectrolytic copper foil for the special lithium battery has the advantages that: the unit area weight of the prepared photoelectrolytic copper foil is 87 to 89g/m<2>, the tensile strength is more than 45Kgf/m<2>, the elongation rate is more than 5 percent, the surface roughness R2 is less than 1.5 mu m, and the uniform thickness of thecopper foil is 8.6 to 9.3 mu m according to actual measurement.
Owner:合肥铜冠电子铜箔有限公司

Double side flexible copper coated board and manufacturing method thereof

The invention relates to a double-sided flexible copper clad laminate and a production method thereof, the double-sided flexible copper clad laminate comprises a single-sided copper clad laminate, an adhesive layer which is coated on the single-sided copper clad laminate and the other copper foil or the other single-sided copper clad laminate which is coated on the adhesive layer by pressing, the single-sided copper clad laminate comprises one copper foil and a polyimide layer which is coated on the copper foil, wherein, the polyimide layer and the adhesive layer are adjacently arranged. The production method comprises the following steps: the copper foil is provided and polyamide acid and an adhesive are prepared; the polyamide acid is coated on the copper foil to prepare the single-sided copper clad laminate; the adhesive is coated between the single-sided copper clad laminate and the copper foil or the other single-sided copper clad laminate and carrying out the lamination to prepare the double-sided flexible copper clad laminate. The performances of size stability, folding resistance, anti-aging property, and the like of the double-sided flexible copper clad laminate are higher than the double-sided copper clad laminate which is produced by a traditional three-layer method, the appearance quality is better than the two-layer double-sided copper clad laminate produced by a lamination method, and the double-sided flexible copper clad laminate simultaneously has the low-cost advantage, thereby facilitating the mass production.
Owner:GUANGDONG SHENGYI SCI TECH

High-heat-conductivity white adhesive composition, high-heat-conductivity white cover film made from same and preparation method thereof

The invention relates to a high-heat-conductivity white adhesive composition, a high-heat-conductivity white cover film made from the same and a preparation method thereof. The high-heat-conductivity white adhesive composition comprises flexible saturated polyester, hard saturated polyester, blocked isocyanate curing agent, pigment, high-heat-conductivity filler, fluorescent brightener, defoaming agent and solvent. The high-heat-conductivity white cover film comprises a high-heat-conductivity insulation basal film, a high-heat-conductivity white adhesive composition coating applied onto one side of the high-heat-conductivity insulation basal film, and a high-heat-conductivity insulation adhesive layer applied onto the other side of the high-heat-conductivity insulation basal film. By applying the heat-conduction adhesive layers onto the two sides of the high-heat-conductivity insulation basal film, the high-heat-conductivity white cover film has the advantages of high whiteness and high reflectivity of the cover film surface, low cost, favorable yellowing resistance, excellent folding resistance and high heat conductivity, and can be widely used in the fields of high-power LEDs (Light Emitting Diodes), backlight sources and the like.
Owner:GUANGDONG SHENGYI SCI TECH

A kind of halogen-free flame-retardant film grade polycarbonate material and preparation method thereof

The invention discloses a halogen-free antiflaming thin-film polycarbonate material and a preparation method thereof, aiming to solve the problem that the antiflaming grade, mechanical property and appearance quality of the existing thin film can not achieve use requirements. Different fire retardants are used for generating the synergy effect, the additive amount is small, the antiflaming performance is high, the thin film appearance quality is improved, and the flexibility and fold resistance of the polycarbonate material are improved. The halogen-free antiflaming thin-film polycarbonate material comprises the following components: 88-95% of PC (polycarbonate) resin, 2-8% of copolymer, 1-3% of phosphorus-containing fire retardant, 0.1-0.5% of silicon-containing fire retardant, 0.1-0.8% of sulfur-containing fire retardant, 0.1-0.8% of anti-drippage agent and 0.5-2% of carbon black. The halogen-free antiflaming thin-film polycarbonate material is used for producing the antiflaming polycarbonate thin film of which the thickness is 0.25-0.76mm, the antiflaming performance of the produced PC thin film reaches the UL94V-0 grade and has better mechanical performance, and the PC thin film can be used for the insulation protection of electrical and electronic elements, such as mobile phones, computer substrates, flat televisions, power supplies and the like.
Owner:SICHUAN COREMER CO LTD

Glass fiber filter material and preparation method thereof

The invention discloses a glass fiber filter material and a preparation method thereof. The filter material comprises a base fabric, wherein the upper surface and the lower surface of the base fabric are respectively provided with a non-woven layer, and at least one of the non-woven layers is internally and externally provided with a foam coating layer respectively. The preparation method of the glass fiber filter material comprises the following steps of: manufacturing the glass fiber filter material, preparing finishing agent, generating foam, coating, and drying. The glass fiber filter material is subject to foaming layer arrangement, and the concentration of the finishing agent is increased, so that the finishing agent is distributed in the filter material more evenly, the migration phenomenon is reduced, and a mass of water resource, electric energy and heat energy are saved; after the glass fiber filter material is finished, and the gluing quantity of the filter material is decreased to 7-15% from 12-25% during finishing in a leaching way, so that the glass fiber filter material is even in distribution of the gluing quantity, good in flexibility, stable in quality, chemical corrosion-resistant, good in water resistance and oil resistance, easy to dedust, easy for industrial production, free of the existing water and energy-wasting step of finishing in a padding way, goodin folding endurance, and long in service life at about 15 months.
Owner:南京际华三五二一环保科技有限公司

Method for manufacturing high-performance electromagnetic wave shielding fabric

The invention discloses a production method for a high-efficiency electromagnetic wave shielding fabric in the production of textile industries, comprises the working procedures of vacuum sputtering metallic film plating, chemical metallic film plating and protective layer applying of a fabric substrate, and is characterized in that an applied protective layer takes mixed wave absorbing materials, which comprises acrylic ester paste, carbon powder, ferrite, nano ferrite, titanium dioxide, an organic silicone softening agent and an dispersing agent, the mixed wave absorbing materials are applied onto the surface of a fabric that passes through the vacuum sputtering metallic film plating and the chemical metallic film plating through the ways of extrusion coating with a serum roller, blade coating with a knife or printing coating with a circular screen, and are solidified at high temperature. The invention has the advantages that the high-efficiency electromagnetic wave shielding fabric produced achieves the superimposed effect of electromagnetic wave reflecting and absorbing and plasma activating, improves the electromagnetic wave shielding performance further to be larger than 90 dB, simultaneously raises the combining fastness between a plated film and the fabric substrate, and improves the folding resistance of the product and the oxidative stain property of the metallic film.
Owner:SHANGHAI WEAVING SCIENCE RESEARCH INSTITUTE CO LTD

Folding-resistant one-dimensional fibrous flexible energy storage device and preparation method thereof

The invention discloses a folding-resistant one-dimensional fibrous flexible energy storage device and a preparation method thereof. The preparation method comprises the following steps: at least by adopting an electrostatic spinning mode or a 3D printing mode, a first nano-fiber membrane used as a diaphragm on a surface of a first electrode in situ is formed, and the first nano-fiber membrane isused to wrap the first electrode; and the first electrode provided with the diaphragm in a wrapped way is assembled and combined with matched electrolyte and a second electrode to form the flexible energy storage device. According to the invention, the nano-fiber membrane is wrapped on the electrode of the flexible energy storage device in situ by adopting the electrostatic spinning way, the 3D printing way, and so on, so that the structure and the composition height of the membrane are controllable, and the membrane has very strong adsorbability and high flexibility; and especially, after theflexible energy storage device is repeatedly folded, the membrane can still be tightly combined with the electrode, so that the problem of short circuit caused by mutual contact of the electrodes canbe prevented, and the folding resistance and the electrochemical stability of the flexible energy storage device are greatly improved.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Thermosetting epoxy resin composition and epoxy fiberglass cloth-based copper clad laminate prepared from same

The invention relates to a thermosetting epoxy resin composition and an epoxy fiberglass cloth-based copper clad laminate prepared from the same. The thermosetting epoxy resin composition comprises components of biphenyl epoxy resin, phenoxy oxygen epoxy resin and a curing agent. The epoxy fiberglass cloth-based copper clad laminate prepared from the thermosetting epoxy resin composition comprises a plurality of mutually overlapped prepregs, and copper foils arranged on one side or two sides of the overlapped prepregs, wherein each prepreg comprises fiberglass cloth and the thermosetting epoxy resin composition which is subjected to impregnated drying and attached to the fiberglass cloth. In the thermosetting epoxy resin composition, the phenoxy oxygen epoxy resin is adopted as a flexibilizer, and when the phenoxy oxygen epoxy resin is matched with the biphenyl epoxy resin, good flexibility is achieved and the amplitude of reducing the glass transition temperature (Tg) of a prepared board can be reduced. The epoxy fiberglass cloth-based copper clad laminate prepared from the thermosetting epoxy resin composition has good flexibility and folding resistance, and the flexibility is obviously improved, so that the epoxy fiberglass cloth-based copper clad laminate can partially replace high-cost flexible copper clad laminate in places such as rigid-flex boards, static flexibility, parallel lifting and the like.
Owner:GUANGDONG SHENGYI SCI TECH

Organic silicon modified styrene-acrylate microemulsion reinforcing agent as well as preparation method and application thereof

The invention discloses an organic silicon modified styrene-acrylate microemulsion reinforcing agent as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly adding acrylic acid, hydroxyl-containing vinyl monomer, acrylate, styrene and organic silicon functional monomer into a reactor; adding a water-soluble initiator into the reactor for polymerisation; then cooling to room temperature and adding alkali for neutralizing; finally, slowly adding water into the reactor while stirring at a high speed to disperse so as to obtain the organic silicon modified styrene-acrylate microemulsion reinforcing agent. The organic silicon modified styrene-acrylate microemulsion reinforcing agent disclosed by the invention has the advantages of high binding force with paper fibers, good film forming performance and good water resistance and is applied to paper coating. Compared with the common styrene-acrylate emulsion, the organic silicon modified styrene-acrylate microemulsion reinforcing agent disclosed by the invention has the following advantages: the surface strength, folding endurance and wet-and-dry strength of the paper can be obviously improved, no organic solvent or surfactant is added in the preparation process, and the organic silicon modified styrene-acrylate microemulsion reinforcing agent is a high-performance environment-friendly paper-making and printing surface coating reinforcement product.
Owner:SHAANXI UNIV OF SCI & TECH

Method for producing environment-friendly false proof cover paper

The invention relates to a method for producing environment-friendly anti-counterfeiting cover paper. In the method, raw fibers with the purity of 100 percent are used to produce base paper; the raw fibers selected comprise the following components in weight portion: 50 to 65 percent of needle oil pulp,10 to 20 percent of silking pulp, and 20 to 30 percent of cotton pulp; the raw fibers are subjected to disintegration by a pulp plate, pulping treatment, blending, pulp conveying, forming by a head box, drying and dehydration and bundling reeling to produce the base paper, and the base paper is orderly subjected to dip dyeing, dip latex, base coating, anti-counterfeiting printing and top coating to produce the anti-counterfeiting cover paper. The cover paper has excellent tearing resistance and folding resistance and good anti-counterfeiting function. The method of the invention has the advantages of simple processing and manufacturing, low production cost and environmental protection, and has the tearing resistance and anti-counterfeiting function. The environment-friendly anti-counterfeiting cover paper is suitable for being manufactured into covers of all certificates, particularly a cover of an environment-friendly anti-counterfeiting passport.
Owner:SHANDONG KAILI SPECIAL PAPER
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