47results about How to "Good elastic properties" patented technology

The invention provides a metal bipolar plate for a proton exchange membrane fuel battery and an electric pile formed by the metal bipolar plate. The metal bipolar plate is formed through the combination of a cathode unipolar plate and an anode unipolar plate made of thin metal plates, wherein the cathode unipolar plate and the anode unipolar plate are arranged in a back-to-back way, fuel gas cavities (1), cooling medium cavities (3) and oxidant gas cavities (2), which are correspondingly coincided are arranged on both the left sides and the right sides of the plate bodies of the cathode unipolar plate and the anode unipolar plate, flow field zones are arranged in the middles of the plate bodies, and a plurality of arc-shaped bosses and a plurality of arc-shaped grooves, which correspond to each other, are arranged in the flow field zones. The electric pile is formed through the overlapping of a plurality of single batteries which are connected in series, and each single battery consists of the cathode unipolar plate, the anode unipolar plate and a membrane electrode assembly between the cathode unipolar plate and the anode unipolar plate. The great contact of the metal bipolar plate with the membrane electrode assembly is well ensured through the self elastic deformation of the metal bipolar plate. The stress relaxation of the electric pile can be automatically compensated, and clamp force for the normal work of the electric pile can be maintained, so that the performance and the service life of the proton exchange membrane fuel battery are improved and prolonged.

A laminated sheet material comprises an insulating layer having a high thermal coefficient and efficient hydrophobic properties, a wicker layer adjacent the insulating layer having efficient hydrophilic properties, an elastomeric layer adjacent the wicker layer which is substantially impermeable to moisture and has good elasticity. An adhesive having good elastic properties substantially continuously joins the insulating, wicker and elastomeric layers together and is breathable between the insulating and wicker layers. In an alternate embodiment a cosmetic layer is joined to the elastomeric layer.

A multilayer printed wiring board includes a flexible portion that is constituted from a flexible base material in which an inner layer circuit pattern has been formed, and a hard portion that is constituted from a hard base material that is layered on a portion of the flexible base material via an adhesive layer and in which an outer layer circuit pattern has been formed. The border of the flexible portion and the hard portion is covered by a covering layer that continuously covers the flexible base material and the hard base material, with an exposed portion of the inner layer circuit pattern being exposed. A plating layer is formed by performing surface treatment (plating) for the exposed portion and the outer layer circuit pattern.

Provided is a method for producing pant-type articles having a waist-encircling portion and leg-encircling portions, each article (21) comprising a chassis structure having at least one elastic panel, the method comprising forming the chassis structure, the at least one elastic panel being formed by: a) providing a first web (1a, 1b) being an elastic web comprising at least one layer of an elastic material; b) stretching the first web by at least 50% in at least one direction, c) bonding the stretched first web (1a, 1b) while the first web (1a, 1b) is held in the stretched state to a second web (2a, 2b), the second web (2a, 2b) comprising at least one layer of an elastic or non-elastic material, the bonded first and second webs (1a, 1b; 2a, 2b) forming an elastic composite web (4), d) relaxing the elastic composite in the said at least one direction by at least 4% of the stretched length of the stretched first web (1a, 1b), f) assembling said chassis structure from chassis components comprising said stretched and relaxed composite web (4).

The present invention provides a metal ultrafine wire which is excellent in workability in weaving and can bring about high strength, higher precision, and a longer life; a process for production thereof; and a mesh wire netting for use in screen printing which is made using the ultrafine wire. The metal ultrafine wire has a diameter (d) of 30[mu]m or smaller, and consists of a Co-base alloy which contains by mass C: 0.005 to 0.3%, Si: <=2.0%, Mn: <=2.0%, Ni: 5 to 38%, Cr: 15 to 28%, and Co: 35 to 58%, and further contains either Mo: 0.4 to 12% or W: 1 to 16% with the balance consisting of Feand unavoidable impurities. The metal ultrafine wire exhibits a tensile strength ([Sigma]s) of 1000 to 1500MPa and an elongation (E) of 20% or above.

The invention discloses a single-layer elastic film composition, a multi-layer elastic film composition and an elastic sheet. A single-layer elastic film can be formed by at least one elastic polymer with an olefin basis and at least one effective polymer. A multi-layer elastic film can be composed of a first layer and a second layer, wherein the first layer contains at least one elastic polymer with an olefin basis and at least one first slip agent; and the second layer contains at least one elastic polymer and at least one second slip agent. The single-layer elastic film or multi-layer elastic film can be combined with at least one elastic carrier to form one elastic sheet.

A resin composition for optical stereolithography including a cation-polymerizable organic compound (A), a radical polymerizable organic compound (B), a cationic polymerization initiator (C) and a radical polymerization initiator (D) which is characterized by including, as a cationic polymerization initiator (C), an aromatic sulfonium compound (C-1) represented by the following general formula (C-1):

(in the above general formula (C-1), R¹, R² and R³ represents a monovalent organic group, Rf represents a fluoroalkyl group, m is the same number as the cationic charge of the “cation [S⁺(R¹) (R²) (R³)]”, n is an integer in the range of 0 to 6) as well as an aromatic thiol compound (E) represented by the following general formula (E):

R⁴—(—SH)_p   (E)

(wherein, R⁴ represents a mono- or di-valent aromatic hydrocarbon which may optionally have a substituent, p is an integer of 1 or 2.)

The invention relates to a piezoelectric element and a preparation method thereof. The piezoelectric element comprises multiple nano carbon tubes, piezoelectric ceramic layers and a support material, wherein the piezoelectric ceramic layers are coated on the surfaces of the nano carbon tubes and the support material is configured among the multiple nano carbon tubes the surfaces of which are coated with the piezoelectric ceramic layers so as to support the nano carbon tubes; the multiple nano carbon tubes are ranked in a comb shape; the piezoelectric ceramic layers configured on the surfaces of the multiple piezoelectric ceramic layers are electrically coupled mutually; and the multiple nano carbon tubes, at least one piezoelectric ceramic layer and the support material constitute a piezoelectric block. The piezoelectric element has good elasticity (durability) and good piezoelectric property, and when the size of the piezoelectric element is 2.5mm*1mm*1mm (length*width*height), the measured current reaches about 1.5mu A, and the voltage reaches above 1 V.

The invention relates to a press-in contact (1) and to a method for the production thereof. The press-in contact (1) comprises a contact body (3) and two individual limbs (4) which are embodied therewith and which are separated by a separating surface which is produced by means of non-cutting processing, and which expand inside a press-in area (6) and which are arranged at a distance in relation to each other. A tip (7) connected to the press-in area (6) which is formed by the free ends of the limbs (4) which extend into each other, is also provided.

The invention belongs to the technical field of antibacterial fabrics, and particularly relates to a high-elasticity antibacterial fabric as well as a preparation method and application thereof. The preparation method of the high-elasticity antibacterial fabric comprises the following steps of A, mixing and uniformly stirring 20-50 parts by mass of modal fibers, 30-40 parts by mass of seaweed carbon fibers, 15-25 parts by mass of viscose fibers, 10-20 parts by mass of bamboo charcoal fibers and 10-20 parts by mass of jade fibers, then adding 2-8 parts by mass of a dispersing agent and 3-5 parts by mass of an anti-aging agent, adding 120-150 parts by mass of a solvent, and stirring at 60-80 DEG C for 1-3 hours; B, drying at 60-80 DEG C, and soaking in an antibacterial solution for 6-24 hours for antibacterial treatment; C, drying at 60-80 DEG C, blowing, carding, drawing, roving and spinning to obtain yarns; and D, knitting or weaving the yarns obtained in the step C to obtain the high-elasticity antibacterial fabric. The invention further discloses application of the high-elasticity antibacterial fabric in textile underwear, medical care, home textile articles or storage containers.

The invention relates to a method for a processing super fluff memory stretch fabric. The fabric is acquired after the weaving of a memory fiber used as a warp and T400 fiber used as a weft is completed, and sequentially conducting pre-shrinking, preforming, splitting, air-flow dyeing, stereotyping and calendering for velvet feeling. Compared with the prior art, the method adopts the memory fiberand T400 fiber with higher F number, in the subsequent dyeing and finishing process, processes such as pre-shrinking, splitting and preforming are added to make the fibers fully shrink and fluffy andstabilize the fabric style, so that the velvet feeling and the surface feeling are enhanced, and the elasticity of finished products is improved.

The present invention discloses an aluminizing coating nanosystem which comprises a mixture of nanoparticles, a prepolymer, an aluminum leafing pigment, and a diluent; having anti-corrosion, anti-scratch, anti-UV and high flexibility properties.

The invention relates to a molding tool and a method of embedding opto-electronic components in a layer, wherein the components are disposed beside one another to be spaced apart on a carrier, and themethod comprises the steps: providing a molding tool having a bearing plate, wherein the bearing plate on a lower side includes resilient bearing regions, bringing the bearing plate by way of the resilient bearing regions to bear on upper sides of the components, filling an intermediate space between the components, the carrier, and the bearing plate with a molding material, curing the molding material to form the layer, and removing the molding tool from the layer and the embedded components.

A flexible battery including an electrode assembly having a positive electrode which has a positive electrode current collector having a positive electrode active material coated on a part or all of at least one surface, a negative electrode which has a foil-type negative electrode current collector having a negative electrode active material coated on a part or all of at least one surface, and a separator membrane disposed between the positive electrode and the negative electrode; an electrolyte solution; and an exterior material for sealing the electrode assembly with the electrolyte solution. Cracks are prevented from forming even when bending occurs by means of a predetermined pattern, and degradation of physical properties required for a battery can be prevented or minimized even when bending repeatedly occurs. The flexible battery can be applied to a wearable device as well as various electronic devices requiring flexibility such as a rollable display.