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373results about How to "High material strength" patented technology

Ultraviolet light cured transfer printing film and preparation method and application thereof

The invention belongs to the field of decorative materials, and particularly relates to an ultraviolet light cured transfer printing film and a preparation method and application thereof. The preparation method comprises the following steps of: uniformly coating or printing a mold release agent on a base load film, and performing infrared curing; uniformly coating or printing an ultraviolet light cured printing ink with a patterning function on a mold release agent layer, and performing curing through ultraviolet irradiation; or uniformly coating or printing an ultraviolet cured protective layer coating with anti-scratching and wear-resistant functions on the mold release agent layer first, then uniformly coating or printing the ultraviolet light cured printing ink with the patterning function on the mold release agent layer after the curing through the ultraviolet irradiation, and performing the curing through the ultraviolet irradiation; and uniformly coating or printing an ultraviolet light cured bottom color coating on an ultraviolet light cured printing ink decorative pattern layer, and performing the curing through the ultraviolet irradiation to obtain the ultraviolet light cured transfer printing film which can be used for producing an ultraviolet light cured transfer printing film decorative board. The ultraviolet light cured transfer printing film has high material strength, and has the advantages of high weathering resistance, high environmental protection, rich colors and patterns, full lacquer film, high hardness, scratch resistance, easy cleaning, noninflammability and the like.
Owner:ZHUHAI DONGCHENG UV MATERIALS

Method for repairing underground pipeline without digging

InactiveCN101649944AShort construction timeSolving Temporary Drainage ProblemsPipe elementsWarm waterSewage
The invention relates to a method for repairing an underground pipeline without digging, which comprises the following steps: (1) blocking and cleaning an old sewage pipeline needing repair and usingclosed circuit TV system (CCTV) equipment to detect the inner part of the pipeline; (2) delivering a waterproof barrel-shaped auxiliary lining hose pipe into the pipeline and injecting thermosetting resin to form a resin hose pipe; (3) turning over and inserting the resin hose pipe and a warm water delivery pipe for heating into the waterproof barrel-shaped auxiliary lining hose pipe; (4) expanding the resin hose pipe with water and compressed air so that the resin hose pipe is tightly attached to the inner wall of an old pipe, circularly heating by warm water and hardening and molding the thermosetting resin hose pipe so that the inner wall of the old pipe forms a new lining pipe with high strength; (5) opening pipe openings at both ends of the new lining pipe by cutting to smooth the pipeline; and (6) cutting at the extending positions of the pipe openings of the new lining pipe, which are positioned in the well wall of a check well. The method can prevent leakage, protect the pipe openings, prevent the thermosetting resin injected into the lining hose pipe from being mixed with underground water and prevent a poor phenomenon of lining material part hardening.
Owner:管丽环境技术(上海)有限公司 +1

Carbon-based ternary composite electrode material for super capacitor and preparation method for carbon-based ternary composite electrode material

The invention discloses a carbon-based ternary composite electrode material for a super capacitor and a preparation method for the carbon-based ternary composite electrode material. The preparation method for the carbon-based ternary composite electrode material comprises the following steps of: firstly, performing ultrasonic dispersion on reactivated active carbon and a nanometer metallic oxide to prepare an active carbon/nanometer metallic oxide composite material; controlling the molar ratio of the active carbon/nanometer metallic oxide composite material to aniline monomer to be (3:1)-(10:1) through an in-situ polymerization method, and performing stirring reaction for 5-25h to obtain the carbon-based ternary composite electrode material for the super capacitor. According to the material, electric double-layer capacitance is provided for the super capacitor by effectively utilizing high-specific surface area active carbon. By combining with Faraday pseudocapacitance provided by conductive polyaniline, and meanwhile, by utilizing the high mechanical strength and a nanometer synergistic effect of the nanometer metallic oxide, the initial specific capacitance of the material in an organic electrolyte can reach 178F/g, and if the material is circulated for 2000 times, the specific capacitance can still be kept to be 148F/g.
Owner:河北中芯凤华科技发展有限公司

Method for producing bevel gear with ratchet on end face through powder metallurgy warm forming

The invention discloses a method for producing a bevel gear with ratchets on an end face through powder metallurgy warm forming. The method comprises the following steps of: preparing iron powder, copper powder, nickel powder, molybdenum powder, graphite powder and a warm forming special lubricant into a mixer to mix according to a proportion; filling in a heated mould; preparing a compact under the condition of unit pressing pressure of 6.5-7.5 T/cm<2> and density of reaching 7.2-7.3 g/cm<3>; placing the compact in a sintering furnace and sintering in a protective atmosphere of mixed gas of hydrogen and nitrogen at 1,120 DEG C for 40 minutes; nitrocarburizing the sintered compact in a carbon and nitrogen atmosphere of 850 DEG C in a controllable atmosphere thermal treatment furnace for 60 minutes; quenching at 850 DEG C; oil-cooling at a cooling speed of 110 DEG C/10 minutes; tempering at 180 DEG C for 1 hour to machine an inner hole on a precision numerical control lathe to dimensional requirements through tooth shape positioning; finishing; removing thermal treatment oil stain and surface burrs; cleaning; drying; and soaking anti-rust oil to prepare a finished product. The method has the advantages of high product consistency, capability of meeting requirements of large-scale stable production, particular suitability for producing the bevel gear of high accuracy, high strength and high difficulty.
Owner:马鞍山市华东粉末冶金厂
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