655results about How to "Good stretchability" patented technology

A low Ni and high N austenitic-ferritic stainless steel is disclosed. It includes an austenitic-ferritic stainless steel having high formability and punch stretchability, crevice corrosion resistance, corrosion resistance at welded part, or excellent intergranular corrosion resistance, from a stainless steel structured by mainly austenite phase and ferrite phase, and consisting essentially of 0.2% or less C, 4% or less Si, 12% or less Mn, 0.1% or less P, 0.03% or less S, 15 to 35% Cr, 3% or less Ni, and 0.05 to 0.6% N, by mass, by adjusting the percentage of the austenite phase in a range from 10 to 85%, by volume. Furthermore, it includes an austenitic-ferritic stainless steel having higher formability by adjusting the amount of (C+N) in the austenite phase to a range from 0.16 to 2% by mass.

There is provided a retardation film including a stretched film of a polymer film having an absolute value of photoelastic coefficient (m²/N) of 50×10⁻¹² or less measured by using light of a wavelength of 550 nm at 23° C., which satisfies the following expressions (1) and (2):

Re[450]<Re[550]<Re[650]  (1)

Rth[550]<Re[550]  (2).

In the expressions (1) and (2): Re[450], Re[550], and Re[650] respectively represent in-plane retardation values measured by using light of wavelengths of 450 nm, 550 nm, and 650 nm at 23° C.; and Rth[550] represents a thickness direction retardation value measured by using light of a wavelength of 550 nm at 23° C.

A thermoplastic olefin (TPO) composition comprises (1) a major amount by weight of (a) a substantially linear homopolymer or copolymer of a C₂-C₁₀ α-olefin in major proportion to (b) a long chain branched a linear homopolymer or copolymer of a C₂-C₁₀ α-olefin, (2) a minor amount by weight of a cross linkable elastomer, and (3) at least one thermally decomposing free radical generating agent present in an amount sufficient to promote an increase in melt strength of the composition over that of the melt strength of the linear homopolymer or copolymer of a C₂-C₁₀ α-olefin alone and insufficient to substantially degrade the α-olefinic polymers. The TPO composition is prepared by melt blending the components at a temperature sufficient to melt said homopolymers or copolymers of a C₂-C₁₀ α-olefin and thermally decompose said agent. Articles are thermoformed from the thermoplastic olefin.

The invention belongs to the technical field of intelligent energy storages, and particularly relates to a super capacitor capable of changing colors and being stretched and a manufacturing method thereof. According to the super capacitor, a carbon nano tube film is evenly laid on an elastic polydimethylsiloxane substrate in a stretched state, polyaniline is electrodeposited on the carbon nano tube film, and the carbon nano tube film serves as one electrode after pull force on polydimethylsiloxane is eliminated; a hole and the surface of a carbon nano tube/polyaniline combination electrode are evenly coated with a layer of polyvinyl alcohol/phosphoric acid gelatinous electrolytes, then the carbon nano tube/polyaniline combination electrode and the other electrode which is made of the same material and has the same structure are assembled, and the intelligent super capacitor capable of being stretched can be obtained. The super capacitor not only has good flexibility and stretchability, but also can display different colors along with different voltages of the two electrodes, different energy storage states can be displayed through color states, and therefore a good application prospect is obtained.

A three-dimensional knit fabric having front and back knit layers and a monofilament yarn connecting the knit layers to each other, characterized in that the curvature of the monofilament yarn in the three-dimensional knit fabric is in a range from 0.01 to 1.6, and the bending elongation of the monofilament is 20% or less when the three-dimensional knit fabric is compressed to 50%. The three-dimensional knit fabric has a cushioning property in springiness which does not deteriorate even if the fabric is repeatedly used many times or for a long time, and thus this fabric is excellent in terms of durability of the cushioning property. In particular, the fabric is suitable for use as a hammock type seat and exhibits a cushioning property having a favorable springy feeling as well as a good fit feel.

The present disclosure provides a lithium-ion battery positive electrode material and a preparation method thereof. In the lithium-ion battery positive electrode material, a secondary particle comprises lithium-containing multi-element transition metal oxide primary particles and a second phase material, a second phase material forms a second phase material layer distributed on a surface of the primary particle and forms a diffusion layer together with the lithium-containing multi-element transition metal oxide by means of atoms mutual diffusion to make the second phase material layer combined with the primary particle during formation of the secondary particle from the primary particles, thereby effectively suppressing chalking of the secondary particle along boundary among the primary particles, and effectively controlling size of the primary particles and the secondary particles, and improving specific capacity, cycling performance and safety performance of a lithium-ion battery to which the lithium-ion battery positive electrode material is applied.

The invention provides a high-sensitivity stretchable flexible strain sensor and a preparation method thereof. The flexible strain sensor includes a composite material which is formed by coating polyurethane foam with graphene and a nickel film with cracks in sequence from inside to outside, and a packaging layer which packages the composite material. As the graphene and the nickel film with cracks are arranged on the polyurethane foam, the sensitivity of the sensor can be greatly improved when the sensor is stretched. The PDMS package further improves the bending and tensile properties of theflexible strain sensor. The problem that a sensor has low sensitivity, low stretchability and poor long-time use stability under strain tension is solved, and the sensing performance is greatly improved. The method of the invention is simple, and low in cost. The problem that the flexible strain sensor process is complex and costs high and the flexible strain sensor prepared has low conductivityand poor reusability is solved.

The invention provides a pesticide suspension concentrate containing pleocidin and a preparation method thereof. The suspension concentrate comprises active ingredients such as pleocidin and abamectin, emamectin benzoate, lambda-cyhalothrin, beta-cypermethrin, chlorfenapyr, chlorfluazuron, diafenthiuron, lufenuron, thiamethoxam or butene-fipronil, as well as dispersing agent, wetting agent, functional aids, other aids and water. The preparation method is as follows: mixing the active ingredients, aids and water to a homogeneous pasty material, and then feeding into a sand mill to obtain a mean grain size of 2-4mu m (4.3) by the sand milling. The suspension concentrate of the invention has a small mean grain size, high suspension rate of the product, stable performance and minimal condensate rate under storage at room temperature within two years. Furthermore, as the suspension rate of the preparation is high and the added functional aids increase spreadability and permeability, the pharmacodynamic action of the product is improved.

A bonding wire comprising a core and a coating layer formed on the core, wherein the coating layer is formed from a metal having a higher melting point than the core, and further has at least one of the following characteristics; 1. the wet contact angle with the coating layer when the core is melted is not smaller than 20 degrees; 2. when the bonding wire is hung down with its end touching a horizontal surface, and is cut at a point 15 cm above the end and thus let drop onto the horizontal surface, the curvature radius of the formed arc is 35 mm or larger;

3. the 0.2% yield strength is not smaller than 0.115 mN/μm² but not greater than 0.165 mN/μm²; or 4. the Vickers hardness of the coating layer is 300 or lower.

The invention discloses a method for preparing a large-area flexible conductive film, which includes the following steps: generating a SiO2 layer on a Si sheet to form a substrate and depositing a catalyst film on the substrate by using the physical vapor deposition (PVD) technology; placing the substrate deposited with the catalyst film in a chemical vapor deposition (CVD) device, introducing large flow Ar gas and H2 gas, simultaneously quickly heating the CVD device to 800 DEG C-1100 EDG C, introducing CH4 gas continuously for a few minutes, closing a CH4 air valve, and cooling the CVD device fast to room temperature to obtain a graphene film sample; placing the graphene film sample into etchant to etch away partial catalyst film; and transfer printing the graphene film sample to a flexible substrate from the substrate by using the transfer printing technology. The method achieves the purpose of preparing the large-area flexible conductive film which is good in conductive performance and capable of being folded and bent, and simultaneously can avoid damage to the flexible substrate caused by high temperature environment during preparing.

The present invention refers to wearability vinylon and preparation method and application. It is composed of 100 part by weight polyvinyl alcohol with degree of polymerization 1500-3000, alcoholysis degree 92-99 mol per cent, additive 2-6 part by weight, water 400-900 part by weight, adding to dissolution kettle, at temperature 90-120 degree centigrade, pressure 0.02-0.17 MPa, dissolution 6-10 hr, through filtering and debubbling to make spinning raw liquor; utilizing wet spinning, drawing-heat treating, aldehyde concentration 20-80 g/L, acid concentration 20-300 g/L, temperature 50-90 degree centigrade acetalation processing, to make wearability vinylon with linear density being 1.0-10 dtex, rupture strength 7-11 CN/dtex, elongation at break 10-30 per cent, softening temperature in water 110-120 degree centigrade, number of crimp 3.0-5.0 piece /25 mm. Said short fiber pure spinning or mixed spinning with other fiber to make different count yarn, fabric used as tent gabe, Knapsack or training garment etc.

The invention belongs to the technical field of energy storage devices and particularly relates to a stretchable linear lithium ion battery and a preparation method thereof. The preparation method comprises the following steps: firstly, preparing a carbon nano tube/lithium manganate composite fiber as an anode and preparing a carbon nano tube/lithium titanate composite fiber as a cathode; respectively winding each of the anode fiber and the cathode fiber on one piece of elastic rubber and coating one layer of ethylene oxide/butanedinitrile/lithium bis(trifluoromethanesulphonyl)imide gel electrolyte; and finally, packaging so as to prepare the linear lithium ion battery. Compared with other mini-type devices, the linear lithium ion battery has a brand-new structure and does not need metal fluid and a binding agent, so that the weight and the volume of the battery are reduced, and furthermore, the specific capacity and the energy density of the battery are improved. Meanwhile, the battery has good flexibility and stretchability and is easy to braid and integrate so that the application prospect is very good.

Provided is an active energy ray-curable inkjet ink containing at least photopolymerizable compounds. The photopolymerizable compounds include: at least one monofunctional monomer selected from the group consisting of a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher, a monofunctional monomer having a ring structure, and a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher and that has a ring structure; and urethane (meth)acrylate.

An alloy type thermal fuse is provided in which a ternary Sn—In—Bi alloy is used, the operating temperature belongs to the range of 130 to 170° C., the overload characteristic and the dielectric breakdown characteristic are excellent, the insulation stability after an operation can be sufficiently ensured, and thinning of a fuse element can be easily realized. A fuse element having an alloy composition in which Sn is larger than 43% and 70% or smaller, In is 0.5% or higher and 10% or lower, and a balance is Bi is used.

The invention belongs to the field of supercapacitor production and specifically discloses a method for producing an all-hydrogel stretchable supercapacitor and the capacitor. The stretchable supercapacitor is assembled in a traditional sandwich structure by taking sodium alginate/polyacrylamide/carbon nanotube/poly(3,4-ethylendioxythiophene)-polystyrolsulfon acid composite hydrogel with high stretchability as an electrode material and sodium alginate/polyacrylamide/sodium sulfate/redox couple composite hydrogel with high stretchability as electrolyte. Each of the electrode material and electrolyte provided in the method is based on a stretchable hydrogel material, and strong adhesion exists between the electrode material and the electrolyte, so that the constraint that an existing assembling technology needs the help of a stretchable base can be avoided. The all-hydrogel stretchable supercapacitor is suitable for a traditional application field of the supercapacitor and high-end application fields such as wearable electronic equipment, stretchable electronic equipment, electronic skins and portable integrated devices.

The present invention provides a stretchable film including: a cured product of a composition which contains (A) a poly(meth)acrylate compound having a polymerizable double bond and a siloxane bond, (B) a (meth)acrylate compound having a urethane bond, and (C) an organic solvent having a boiling point in the range of 115 to 200° C. at atmospheric pressure; wherein the component (A) is localized in the direction of the surface of the film. The stretchable film of the present invention is excellent in stretchability and strength as well as repellency on the film surface.

A removable medical adhesive tape with easily tearing-off feature of continual enrolled flat porous non-woven fabric strip in roll type includes a front layer, a backing layer, a pair of short transverse ends and a pair of prolonged longitudinal lateral edges in symmetrical parallel juxtaposition. Wherein a plurality of lengthwise intermediate adhesive bands intervenes between the pair of prolonged longitudinal lateral edges in parallel spaced manner; a lengthwise non-adhesive band is formed between each pair of adjacent intermediate adhesive bands respectively so that a plurality of non-adhesive cutouts are created at the freely exposed short transverse end; and the non-woven fabric strip is made of plural transverse textures and longitudinal textures in cross-linked manner such that the transverse texture is made into having highly extensible and elastic stretchability whereas the longitudinal texture is made into no stretchability.

The invention discloses a rigid-flexible combined biological filler for biological trickling filtration deodorizing equipment and a preparation method thereof; the biological filler is formed by combining a rigid macromolecular skeleton at the center and flexible biological carrier porous medium at the periphery. During preparation, sustained-release control matter is firstly moistened by dispersing and lubricating liquid and evenly mixed with nutritive matter in an agitator, then macromolecular base material is moistened by the rest dispersing and lubricating liquid, added in the agitator and evenly stirred together with the mixture, the evenly mixed mixture is transferred in an injection machine and is extrusion molded by filler dies to prepare the rigid macromolecular skeleton; the rigid macromolecular skeleton is blended with polyether polyol, organic isocyanate, catalyst, external foaming agent, foam stabilizer and water, stirred at high speed and added into a forming box to finish chain growth, foam formation, cross linking and solidifying reaction, thus obtaining the biological filler. The filler of the invention has wide source of raw materials, convenient and simple manufacturing procedure, low production cost, and good film-forming and deodorizing effects.

Described is an adsorption filter material, in particular for NBC protective apparel, preferably for wearing next to the skin, in particular as an undergarment (underwear), wherein the adsorption filter material has a multilayered construction, wherein the multilayered construction comprises a first textile sheet material, a second textile sheet material and an adsorption layer disposed between the first and the second textile sheet materials, wherein the adsorption layer includes discrete, in particular grain-shaped, preferably sphere-shaped, sorbent particles, preferably based on activated carbon, adsorbing chemical and/or biological poison and noxiant materials, in particular warfare agents. The adsorption filter material is characterized in that the first textile sheet material and the second textile sheet material are each adapted to be elastic in at least one direction, preferably in both directions, and/or in that the first textile sheet material and the second textile sheet material have at least essentially the same elasticity properties. The adsorption material combines a high wearing comfort with excellent protection with regard to chemical poisons.

The present disclosure provides a method of fabricating a nanoporous thin film device comprising depositing a template on a substrate to form a nanoporous insulating layer, the template comprising one or more polymers capable of forming pores when polymerized and at least one cross-linking agent, and depositing a second layer (e.g. organic semiconductor, semiconductor, insulator) on the nanopourous insulating layer to form a thin film having a plurality of isolated nanopores on the surface. Nanoporous semiconductor thin films made by these methods is provided. Sensors and devices comprising the nanoporous thin film is also disclosed.

A key switch device has a cap support that supports a key cap on a base. The cap support includes intersecting first and second frames which are connected pivotally to each other. The first frame has a pair of through holes, whereas the second frame has a pair of retaining pins for connection with the through holes. Each retaining pin has an outermost head, an inner neck part and a shoulder formed between the outermost head and the inner neck part. The first and second frames are connected to each other by inserting each retaining pin into the corresponding through hole until the outermost head projects outwardly of the through hole and the shoulder engages an outer side of the first frame.

An active energy ray-curable ink composition includes (component A) monofunctional radically polymerizable monomers, (component B) a polyfunctional oligomer having a glass transition temperature of 20° C. or lower and an acrylate value of 300 g/value or more, and (component C) a bifunctional radically polymerizable monomer having a viscosity at 25° C. of 15 mPa·s or less, wherein the component A includes an N-vinyl compound and a compound represented by the following formula (I), the content of the N-vinyl compound with respect to the total amount of the ink composition is from 10 to 50% by mass, and the content of the component A with respect to the total amount of the ink composition is 70% by mass or more.

The invention discloses a flexible circuit board and a manufacturing method thereof and a display device. The flexible circuit board comprises a substrate, at least one conductive structure and a contact resistor group which are arranged on the substrate, packaging layers which are used for packaging the conductive structures and the contact resistor group and a ventilation membrane. The contact resistor group comprises a first contact resistor and a second contact resistor which are used for being electrically connected with the two ends of the conductive structures. The packaging layers andthe substrate form a cavity and a liquid storage region which are mutually communicated. The conductive structures comprise liquid conductive material arranged in the cavity. The liquid storage regionis used for storing the liquid conductive material. The ventilation membrane is used for packaging the liquid storage region and enabling the liquid storage region to be communicated with the external atmospheric pressure. When the flexible circuit board is stretched, the liquid conductive material in the conductive structures flows because of the change of the air pressure so that conduction between the liquid conductive material and the first contact electrode and the second contact electrode can be realized and the flexible circuit board is enabled to be stretchable.