68results about How to "High extension" patented technology

The invention relates to a spray polyurea high-performance waterproof paint which is characterized by comprising component A and component B, wherein the component A comprises semi-prepolymer formed by the reaction between 70-35 parts of polyisocyanate and 30-50 parts of polyether glycol, and 0-15 parts of diluent based on parts by weight; the component B comprises 50-70 parts of amine-terminated polyether, 20-40 parts of amine chain extender and 5-10 parts of filler; and the volume ratio between the component A and the component B is 1:1. Compared with the common spray polyurea high-performance waterproof paint, the spray polyurea high-performance waterproof paint has higher tensile strength, elongation at break, tearing strength and other physical properties, and not only is applicable to waterproof projects of common building projects, basic facilities and the like, but also is especially suitable for high-difficulty waterproof projects of large basic facility construction such as a high speed railway, a subway, a tunnel, water conservancy project and the like.

A partially self-erecting wind turbine tower and a method for carrying out the assembly thereof. A central telescoping pylon is provided. This is placed in an upright position, with its base on a temporary foundation. A plurality of legs is then attached to the telescoping pylon. The upper extreme of each of the plurality of legs is temporarily attached to the upper extreme of the telescoping pylon. With the pylon and legs thus secured, a nacelle is attached to the upper extreme of the telescoping pylon. A hub with attached blades is then affixed to the nacelle. The telescoping pylon is then forced upward through the collar to extend the height of the assembly.

The present invention relates to an olefin polymer and to a fiber including same. More specifically, an olefin polymer according to the present invention is characterized by: 1) a density of 0.94 to 0.96 g/cm3; 2) a melt index (MI: 190 DEG C, 2.16 kg) of 0.1 to 1.5 g/10 min; and 3) a molecular weight distribution (PDI; Mw/Mn) of 2 to 7; and in that the olefin polymer can be prepared by using a supported metallocene catalyst. A fiber which exhibits properties such as high elongation, high tenacity, etc., can be prepared from the olefin polymer according to the present invention.

The invention relates to an acrylic-acid paint, particularly a pure acrylic-acid elastic environment-friendly waterproof paint which is prepared by blending the following components in parts by weight: 85-108 parts of acrylic acid emulsion, 4.5-23 parts of thickening agent, 0.017-0.04 part of activating agent, 0.23-1.7 parts of coupling agent and 0.09-0.23 part of defoaming agent. The waterproof paint has the characteristics of high elasticity, high strength, high extensibility and the like in rubber, has excellent functions of weather resistance and ultraviolet resistance, has wide climate application range (-20+/-80 DEG C), and can be used for construction on a moist basal plane. Since the extensibility is up to higher than 380%, the waterproof paint does not deform or run when being used for sealing cracks of more than 10-30mm. The waterproof paint can be used for crack leakage maintenance of mosaic, ceramic tiles, glass curtain walls, external walls and concrete walls, and peripheral joint filling and integral painting of color steel tile roofing and door/window partitions.

The invention relates to a preparation method of a high-solid-content low-viscosity acrylate emulsion for sealing gum. The preparation method is characterized by comprising the following steps of: in the presence of nitrogen, adding acrylate, a reactive emulsifier monomer, a latex protective agent and water to a vessel in a certain proportion, and uniformly stirring at room temperature to obtain a mixture liquid; and carrying out vacuumization and nitrogen introduction on a reactor repeatedly for three times, heating to 70-90 DEG C, adding an initiator aqueous solution which accounts for 0.1-0.8wt% of the monomer, dropwise adding 40 percent of the mixture liquid to the reactor, reacting for 15-30 minutes, adding a certain mass of anionic and non-ionic emulsifiers to the rest 60 percent of the mixture liquid to prepare a pre-emulsion, simultaneously dropwise adding the pre-emulsion and the initiator aqueous solution to the reactor, and keeping the constant temperature for 50 minutes after dropwise adding to prepare the acrylate emulsion. The preparation method has the advantages that the emulsion is high in solid content (70-82 percent), low in viscosity (300-600 mpa.s) and good in stability. The preparation method is used for preparing the acrylate-series sealing gum which is high in drying speed and small in shrinkage rate by adding the emulsion to filling and pigment paste.

The invention relates to a high extended cold-rolled plate, which comprises the following chemical components in percentage by weight: 0.15-0.20% of C, less than or equal to 0.030% of Si, 0.10-0.50% of Mn, less than or equal to 0.020% of P, less than or equal to 0.020% of S, 0.01-0.05% of Al, 0.0030-0.0080% of N, and the balance of iron and inevitable impurity. The production method comprises the following steps: carrying out iron pretreatment, converter melting, refining after the furnace, hot rolling, scouring, cold rolling, continuous annealing, secondary cold rolling, finishing to obtain the finished product roll, wherein in the process of the hot rolling, the controlled heating temperature is 1150-1270 DEG C, the finish rolling temperature is more than Ar3, the coiling temperature is less than or equal to 600 DEG C, the cold rolling deflection is more than or equal to 60%, the continuous annealing temperature is 600-700 DEG C, the annealing time is 40-100 seconds, the secondary cold rolling ratio is 5-15%, the hardness of the obtained secondary cold-rolled plate is HR30T66-80, and the tensile extension is more than or equal to 5%.

The invention relates to the field of new materials, and discloses an aluminum electrolysis waste carbon-based porous carbon preparation method, which comprises: uniformly mixing an aluminum electrolysis waste carbon material and an activating component according to a mass ratio of 10:(0-100), carrying out a high-temperature reaction under a specific atmosphere condition, cooling to a room temperature, and washing to achieve the pH value of 5-9 so as to obtain the structure-controllable porous carbon material, wherein a mass ratio of the main component to the auxiliary component in the activating component is (10-0):(50-0). According to the present invention, the porous carbon material with the controlled pore parameters is obtained by using the solid waste carbon produced in the aluminum electrolysis process as the raw material through the high temperature activation treatment, such that the high value resource of the aluminum electrolysis waste carbon material is achieved; and by adjusting the type and the consumption of the activating agent and the process conditions, the structure parameters of the porous carbon can be precisely controlled, such that the method is the simple porous carbon preparation method capable of achieving scalability and high value utilization of waste.

The invention relates to LED-UV piezoelectric type spray printing ink with high adhesion and a preparation method thereof. For solving the problems of the prior art, the technical scheme of the LED-UVpiezoelectric type spray printing ink with high adhesion is as follows: the ink adopts a polyvinyl chloride-vinyl acetate resin system; raw materials of the ink comprise the following components in percentage by weight: 5-35% of pigment type color paste, 2-10% of vinyl chloride-vinyl acetate resin, 5-15% of a photoinitiator, 40-70% of a reaction type monomer solvent or oligomer, 0.2-2% of a surface active agent and 0.5-4% of a polymerization inhibitor, wherein the pigment type color paste comprises sub-micron sized pigments. The ink provided by the invention can adapt to all kinds of industrial-grade sprayers and respectively has high adhesion, high extensibility and high bending property after being sprayed and printed on the surfaces of various soft and hard materials.

The invention discloses a high-performance aluminium alloy cable for buildings, which solves the problems that the conventional power cables for buildings consume more copper resources, are worse in bending performance, and have short service life and the like, and has the advantages of light weight, the capability of corrosion-resistance and halogen-free flame retardant, small bending radius, excellent electrical property, long service life and the like. The high-performance aluminium alloy cable structurally comprises a cable core, wherein the cable core is formed by a plurality of wire core conductors arranged inside a filler and made of aluminium alloy; a conductor double-layer insulation layer is arranged on the outer wall of each wire core conductor; the plurality of wire core conductors are intertwisted in a symmetric arrangement manner; the outer wall of the filler is wrapped with a cable belting layer, a cable armored layer and a cable shield layer sequentially from the inside out.

The invention discloses a waterproof and antibacterial PVC (polyvinyl chloride) cable material formula. The formula comprises raw materials in parts by weight as follows: 30-40 parts of PVC resin, 10-15 parts of EPDM (ethylene-propylene-diene monomer) rubber, 5-10 parts of chloroprene rubber, 2-5 parts of nano barium sulfate, 1-5 parts of nano titanium dioxide, 2-6 parts of carbon nanotubes, 5-10 parts of expanded perlite, 3-8 parts of inorganic silver-ion-containing silicate, 2-3 parts of an antioxidant, 1-4 parts of sodium hexametaphosphate, 2-5 parts of microcrystalline cellulose, 1-2 parts of silver-loaded zeolite, 2-5 parts of elastic fiber, 4-10 parts of aluminum oxide, 5-10 parts of magnesium hydroxide, 1-3 parts of an anti-aging agent, 3-6 parts of paraffin, 3-5 parts of a silane coupling agent and 1-4 parts of a plasticizer. PVC resin, EPDM rubber and chloroprene rubber are subjected to blending crosslinking modification, so that the cable material has characteristics of plastic and rubber, has high strength, high elongation, long service life, light weight, good bonding property and excellent waterproof performance, has aging resistance and flame retardance and is convenient to construct and maintain. Raw materials are non-toxic and harmless, environment-friendly and harmless to body health.

The invention belongs to the technical field of aluminum strip calendering manufacturing, and discloses a low-earing and low-hardness capacitor shell and a preparation method thereof. The low-earing and low-hardness capacitor shell comprises the following components in percentage by mass: 0.1% of Si, 0.18-0.28% of Fe, not greater than 0.03% of Cu, not greater than 0.01% of Mn, not greater than 0.03% of Zn, not greater than 0.03% of Ti, and the balance Al. The process flow comprises such steps as smelting, cast rolling, rough rolling, edge cutting, finish rolling and finished product annealing;and the prepared capacitor shell is 75-85Mpa in tensile strength, can reach the elongation above 30%, is excellent in machining performance, low in strength, excellent in plasticity, high in elongation and low in earing rate, and greatly improves the machining efficiency.

The invention discloses a rubber waterproof material. The rubber waterproof material is prepared from the following raw materials in parts by weight: 20-30 parts of ethylene propylene diene monomer, 10-15 parts of chloroprene rubber, 10-15 parts of butyl rubber, 5-10 parts of chlorinated polyethylene resin, 5-12 parts of sodium bentonite, 5-10 parts of modified sodium silicate, 3-5 parts of polypropylene fiber, 40-50 parts of deionized water, 1-3 parts of a preservative, 0.1-0.2 part of polyvinylpyrrolidone, 1-2 parts of a wetting agent, 1-5 parts of a dispersing agent, 2-6 parts of a thickening agent, 0.5-4.5 parts of a defoaming agent, 5-8 parts of hexamethylphosphoramide and 1-2 parts of rosin. The rubber waterproof material is a waterproof material utilizing a blended material of the ethylene propylene diene monomer, the chloroprene rubber, the butyl rubber and the chlorinated polyethylene resin as a main body material. The rubber waterproof material has the characteristics of plastic and rubber, such as high strength and ductility, long service life, lightness, good bonding property and the like. The rubber waterproof material has excellent weather ageing resistance, flame retardance, water resistance, ageing resistance, corrosion resistance and high-low temperature resistances.

The invention discloses novel thermal conductive insulating plastic. The novel thermal conductive insulating plastic is prepared from the following raw materials: styrene monomer, dibenzoyl peroxide,deionized water, polyvinyl alcohol, sodium polystyrene sulfonate, aniline, 3,4-ethylene dioxythiophene, a catalyst, actinolite powder, a regulator, a stabilizer, polyphosphazene, a fullerene loading agent, polyphenylene ether resin, acicular alpha-alumina, nano silica, an antioxidant, a lubricant and a flame retardant. The heat conductive plastic is light in weight, good in insulating performance,low in production cost and good in heat dissipation performance, a one-step method is used for preparing heat conductive polystyrene particles, and further blending modification is carried out to improve thermal conductivity, the novel thermal conductive insulating plastic has the characteristics of high mechanical properties, corrosion resistance, high heat transfer coefficient and impact resistance and can be subjected to secondary blending modification processing, and the defects of high filling rate, poor mechanical properties and high cost of existing thermal conductive plastic are overcome.

The invention provides an electrode plate and a lithium ion battery comprising the same. The electrode plate comprises a current collector, an active substance layer, an electrolyte and a functional coating; the current collector is provided with two opposite surfaces; the active substance layer is arranged on at least one surface of the current collector; the electrolyte is arranged inside and/or on the surface of the active substance layer; the functional coating layer is disposed on an active material layer including an electrolyte. By constructing the in-situ curing electrolyte and the functional coating, the influence of a single functional coating mode on the increase of the internal resistance of the battery can be reduced while the needling and heating safety of the battery is improved, and the electrical property of the battery is ensured.

The invention discloses a degreased tire bead wire processing method. The method comprises the following steps of (1) paying-off; (2) straightening; (3) mixed degreasing; (4) tempering; (5) water washing; (6) surface treatment; (7) water washing; (8) alloy combination; (9) water washing; (10) neutralizing; (11) water washing; (12) hot water washing; (13) drying; (14) oil coating; (15) wind-up; and (16) cooling. By means of the method, the strict requirements of foreign customers for high torsion, high elongation and high strength of tire bead wires of high-performance radial tires are met; the international competitiveness of domestic products is improved; the progress of the industry is led to and promoted; and the transformation, upgrading and scientific and technological innovation of the industry are promoted.

The invention discloses a new media interactive picture book, and an interactive application system and a use method thereof. The new media interactive picture book comprises a traditional paper publication, wherein an NFC (Near Field Communication) chip which is integrated with the inner page of the traditional paper publication is embedded into the inner page of the traditional paper publication. The interactive application system comprises a cloud server, an intelligent mobile terminal having an NFC function, and the new media interactive picture book, wherein a multimedia electronic book is stored in the cloud server; and the intelligent mobile terminal having the NFC function is used for acquiring data information link of the NFC chip in the new media interactive picture book through a near distance connection protocol, performing verification, and downloading and acquiring the multimedia electronic book in the cloud server. The troubles of traditional publications are effectively eliminated, and the target of stabilizing the consumption market is reached. Each publication has a unique identity code, and a customer can detect whether purchased books and magazines are genuine or not through intelligent mobile terminals such as mobile phones while purchasing, so that the possibility of piracy of the traditional publications and electronic readings is better avoided.