665results 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 present invention provides an energy ray-curable inkjet ink composition which is excellent in stretchability for a printed film and, at the same time, is excellent in curability, adherability and the continuous discharge property. The present invention relates to an energy ray-curable inkjet ink composition containing at least a coloring material, 8 to 60% by mass of a monofunctional monomer (A) having a glass transition temperature of lower than −25° C., 25 to 40% by mass of a difunctional oligomer (B) having an elongation rate of 130% or more at 25° C. when a single oligomer is polymerized, at least one kind of a photopolymerization initiator (C) selected from the group consisting of an acylphosphine oxide initiator (C-1), and a mixed initiator (C-2) of an α-aminoalkylphenone initiator and a thioxanthone initiator, and a surface tension conditioner (D).

The present invention discloses a flexible wearable strain sensor based on fabrics and a preparation method thereof. Fabrics are taken as raw materials; carbonization fabrics capable of keeping the structure of original fabrics and having flexibility and electrical conductivity in the high-temperature heat treatment process in the atmosphere of taking inert atmosphere or inert gases as the principal thing; two ends of the carbonization fabrics are connected wires or integration wireless emission receiving module; and a flexible wearable strain sensor is obtained through package by using elastomeric polymers. The flexible wearable strain sensor based on fabrics are able to directly attach to the skin, the clothes or other wearable accessories to realize the wearable detection of human joint movement, pulse, microexpression, breath, sound production or audio frequency. The flexible wearable strain sensor based on fabrics and the technological process of production thereof are sustainable in development, simple in preparation, low in cost, good in flexibility, wide in strain detection range, high in sensitivity, short in response time, good in cycling stability and durability, and broad in application prospect.

Melt-processible, thermoplastic poly(tetrafluoroethylene) (PTFE) compositions are disclosed and methods for making and processing same. Additionally, products comprising these compositions are described.

A structural body which comprises a base and a microrelief structure layer having a microrelief structure. The microrelief structure layer is laminated on the base so as to form the surface layer of this structural body, and the microrelief structure layer has at least one physical property selected from the group consisting of (A) and (B) described below. (A) The elastic modulus at 25° C. is 50 MPa or more, and the elastic modulus at 80° C. is 30 MPa or less. (B) The tensile elongation at break at 80° C. is from 20% to 100% (inclusive).

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.

The invention belongs to the technical field of friction electricity generating and in particular relates to a stretchable coaxial fibrous friction electricity generating and sensing device and a preparation method thereof. The preparation method comprises the following steps: utilizing macromolecular materials of different dielectric constants as a friction electricity generating layer and an oriented carbon nanotube film as a charge inducing and collecting electrode; firstly swathing the oriented carbon nanotube film on a fibrous macromolecular elastic substrate to be taken as an inner-layer electrode, then sequentially constructing two macromolecular friction generating layers with micro-nano structures on the contact surfaces on the surface of the carbon nanotube film, then swathing a carbon nanotube film layer to be taken as an outer-layer electrode, and finally encapsulating, so that the stretchable coaxial fibrous friction electricity generating device is obtained. The device is simple in preparation process, has good flexibility and respectively can produce an electric signal under the actions of stretching, bending, compressing and twisting, so that mechanical energy in different directions and different forms in an external environment can be collected and converted into electric energy; and the device can be taken as a power supply for supplying power to wearable electronic equipment and also can be taken as a sensing device for detecting motion and physiological signals of a human body.

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.

A crimped conjugate fiber of the present invention is a conjugate fiber containing a first component and a second component, the first component containing polybutene-1 and linear low density polyethylene, the linear low density polyethylene content being 2 to 25 mass %, the second component 2 containing a polymer having a melting peak temperature at least 20° C. higher than the melting peak temperature of polybutene-1 or a polymer having a melting initiation temperature of 120° C. or higher, when viewed from a fiber cross-section, the first component occupies at least 20% of the surface of the conjugate fiber 10 and the centroid position of the second component not overlapping the centroid position of the conjugate fiber, the conjugate fiber is an actualized crimping conjugate fiber in which three-dimensional crimps have been developed or a latently crimpable conjugate fiber in which three-dimensional crimps are developed by heating. Accordingly, a crimped conjugate fiber having high elasticity, a high level of bulk recovery properties, and high durability against repetitive compression as well as high elasticity, a high level of bulk recovery properties, and high durability when used at high temperatures, and a fiber assembly that uses the crimped conjugate fiber are provided.

The invention provides an extensible display screen device. The device comprises a plurality of luminous regions and at least one stress release module, wherein the luminous regions comprise a plurality of superimposed functional film layers which are arranged to play a display role; the at least one stress release module is arranged in a non-luminous region between the two luminous regions, and the regions where the at least one stress release module is arranged are filled with a stress release material. Stress generated in the stretching process of the display screen is absorbed and releasedon the basis of performance of the stress release material, so that stretching of the display screen is realized.