107results about How to "Good stretch resistance" patented technology

Provided is a flexible super capacitor. Two current collectors are covered on the upper and lower surfaces of a composite hydrogel film; and packaging layers wraps the current collectors and the composite hydrogel film. The composite hydrogel film is integrated by two electrodes and middle electrolyte; and the upper and lower surfaces of the composite hydrogel film are conductive polymer layers serving as the electrodes respectively, and the middle layer thereof is a hydrogel layer serving as the electrolyte. The two current collector layers are covered on the two sides of the electrode-electrolyte composite film respectively, and the formed whole body is packaged in the packaging layers. The preparation method of the flexible super capacitor is characterized by, to begin with, preparing the polyvinyl alcohol hydrogel film; then, preparing the conductive polymer-polyvinyl alcohol composite hydrogel film having a sandwich structure; preparing the current collectors on the upper and lower surfaces of the conductive polymer-polyvinyl alcohol composite hydrogel film; and finally, carrying out packaging.

The invention provides a and the partial discharge resistant enameled wire, and the varnish for a partial discharge resistant enameled wire simultaneously realizes the increase of the partial discharge initial voltage resulting from a low dielectric rate and corrosion inhibiting effect of partial discharge caused by inorganic materials from the fill; the varnish has superior live life features. The varnish for a partial discharge resistant enameled wire is obtained by selecting an organosol including an inorganic fine particle comprising a metal oxide fine particle or a silicon oxide fine particle. The organosol is dispersed in the insulating varnish. The inorganic fine particle includes a hollow portion therein.

The invention discloses a polyester material used for capacitor thin films. The polyester material is prepared from following components, by weight: 100-120 parts of polyester, 20-30 parts of polyimide, 20-30 parts of polytetrafluoroethylene, 1-4 parts of aluminum hydroxide, 5-10 parts of liquid paraffin, 2-8 parts of titanium dioxide, 2-8 parts of glass fibers, 1-4 parts of activated carbon, 0.5-1.8 parts of dibutyl phthalate, 2-6 parts of modified starch and 3-8 parts of a heat-insulating additive. The components of the polyester material used for capacitor thin films achieves a cooperative effect, with the polyester as the main raw material with assistance of the polyimide, the polytetrafluoroethylene, the aluminum hydroxide, the liquid paraffin, the titanium dioxide, the glass fibers, the activated carbon, the dibutyl phthalate, the modified starch and the heat-insulating additive, advantages of the polyester are fully achieved and the polyester material is increased in high-temperature resistance and is prolonged in service life.

The invention relates to a dendritic nano silver structure-based flexible film pressure sensor and a preparation method thereof and belongs to the technical field of electronic materials. According tothe technical schemes of the invention, the preparation method of the dendritic nano silver structure-based flexible film pressure sensor includes the following steps that: the self-assembly of ITO glass layers is realized, electrochemical silver deposition is performed on assembled ITO glass through chronoamperometry, and a white dendritic nano-silver layer is deposited on the ITO glass after the electrochemical deposition is performed, and the ITO glass with the white dendritic nano-silver layer is called ITO-Ag; and the ITO-Ag is immersed in a curing agent-containing PDMS solution, heatingand curing are performed, and a cured PDMS flexible substrate is removed from the ITO-Ag, so that the dendritic nano silver structure-based flexible film pressure sensor can be obtained. The dendritic nano silver structure-based flexible film pressure sensor prepared by the method of the invention has low square resistance and can maintain good electrical conductivity after being bent a pluralityof times and stretched with different ratios. The sensor can monitor human body health basic data online for a wearable smart device, and provide trial conditions in the aspects of pulse, blood pressure, and heartbeat.

The invention discloses a wear resistant cable for a charging pile and a manufacture method therefor. The wear resistant cable for the charging pile includes a cable inner core and a cable outer layer covering the cable inner core. The cable inner core comprises a power supply cable, a protective grounding cable, a middle line cable, a pair of control / charging connection confirmation cables and a pair of standby expansion cables. Double shielding layers cover the pair of control / charging connection confirmation cables. The cable outer layer is composed of a wrapping belt, a TPE inner sheath, and a TPU outer sheath in turn from inside to outside. The cross section of the TPE inner sheath is round, and the cross section of the TPU outer sheath is concavo-convex. The wear resistant cable for the charging pile has the advantages of compact structure, good stability, no halogen and low smoke, non-toxicity, corrosion resistance, stretch resistance, bending resistance and friction resistance. The sheath layer employs TPE and TPU sheaths and has wide hardness scope, excellent stainability, soft touch, and good weatherability, fatigue resistance, temperature toleration and mechanical property.

The invention relates to a crosslinked sulfonate carboxylate aqueous polyurethane emulsion, which is prepared by macromolecular diol, diisocyanate, a hydrophilic chain extender, small molecule diol, aneutralizing agent, trifunctional sulfonate, and deionized water, under the conditions of high-speed stirring and emulsification, bifunctional small-molecular trifunctional sulfonate having both hydrophilicity and cross-linking property is added, and by instead of a conventional technology of separately adding sulfonate and a trimethylolpropane cross-linking agent, the method of the invention prepares the stable blue translucent environmentally friendly aqueous polyurethane emulsion. The aqueous polyurethane macromolecular chain segment nano-spherical colloidal particle has a particle size of20 to 100 nm, a molecular weight of 12,000 to 30,000, and a mass percentage which is the solid content of 35% to 45%. After drying and film forming, the film has a water absorption of 6 to 8%, a tensile strength of 10 to 15 MPa, and an elongation at break of 170% to 250%.

The invention discloses a stretch-proof polyethylene plastic film for packaging and a preparation method. The stretch-proof polyethylene plastic film is prepared from the following raw materials in parts by weight: 35-55 parts of modified polyethylene, 15-30 parts of toughened filling fibers, 3-8 parts of a calcium-zinc heat stabilizer, 1-3 parts of an antioxidant and 10-15 parts of polydimethylsiloxane. The preparation method comprises the following steps of 1, adding modified polyethylene, toughened filling fibers, a calcium-zinc heat stabilizer, an antioxidant and polydimethylsiloxane intoa high-speed mixer, and stirring at a constant speed of 800-1000 r / min for 30min to obtain a mixture. A plurality of fillers in the modified polyethylene are synergistically dispersed in the polyethylene, and the first nano filler particles and the second filler particles can enhance the binding force with an organic phase interface, absorb tensile stress when the plastic is stretched, improve thetoughness of the plastic, and endow the finally prepared plastic with excellent tensile resistance.

The invention belongs to the technical field of a coating and a preparation method thereof, and discloses a heat-insulation coating and a production method of the heat-insulation coating. The main technical characteristics are that the heat-insulation coating contains the following materials according to parts by weigh: 100kg of purified water, 38-42kg of polyvinyl alcohol, 95-108kg of nano ceramic tiny beads of more than 2000 meshes, 18-25kg of silicon and aluminum fiber, 28-34kg of heavy calcium carbonate of more than 1000 meshes, 13-16kg of light calcium carbonate of more than 1000 meshes, 1-2kg of flowage assistant agent, 1-2kg of adhesion improver, 0.5-1.5kg of defoamer, and 2-3kg of scratch-resisting agent. By inhibiting and shielding the radiant heat and the heat energy conduction of infrared rays and inhibiting loss of heat radiation and heat energy of high-temperature objects the heat insulation effect can be achieved. Furthermore, cold insulation to low-temperature objects can be realized, and cold energy loss caused by the radiant heat of the environment can be inhibited so as to prevent cold energy loss.

The invention discloses an anti-corrosion stretch-proof industrial control cable, comprising reinforcing ribs, wherein stranded conductors are spirally wound outside the reinforcing ribs; the outsides of the conductors are wrapped with shielding layers; gaps between the conductors and the shielding layers are filled with a filler; the outsides of the shielding layers are covered with a stretch-proof metal net; the outside of the stretch-proof metal net is wrapped with an anti-corrosion layer; a fire-retardant layer is arranged outside the anti-corrosion layer; a stretch-proof metal strip is arranged outside the fire-retardant layer. The control cable is characterized in that reinforcing ribs, the stretch-proof metal net, and the stretch-proof metal strip arranged along a cable length direction are arranged, the stretch-proof performance of the cable and the structure strength are greatly improved by spirally winding the conductors, and the anti-corrosion performance of the cable is improved by the anti-corrosion layer, the fire-retardant layer and the protection layer; besides the control cable has the advantages of reasonable structure design, good anti-corrosion and stretch-proof effect and long service life.