31results about How to "Simple production process requirements" patented technology

The invention provides single-component gypsum-based water-resistant putty and a construction method thereof. The single-component gypsum-based water-resistant putty adopts powder packaging and is prepared from the components in percentage by weight: 30-35% of desulfurized gypsum, 3-5% of white cement, 36.05-58.38% of an organic filler, 5-10% of an inorganic filler, 3.62-7.0% of an additive, 0.15-0.40% of a water-retaining thickener, 0.01-0.05% of an expanding agent, 0.1-0.2% of an anti-settling agent, and 0.015-0.04% of a thickening starch agent. The single-component gypsum-based water-resistant putty is mixed through a stirrer and then discharged to be packaged into powder products, and packaging and transporting are convenient; and the single-component gypsum-based water-resistant puttyhas the advantages of being quickly dried within two hours, and being easy to smear in batches, low in cost, single in component, easy to construct, moderate in strength, capable of being applied inbatches in a thick-layer mode, good in water resistance, high in anti-crack capacity and the like.

The invention discloses a ceramic external pattern surface mechanical sandblasting treatment process, which makes the ceramic blanks into finished products through molding, drying, glazing, firing, soft material pattern surface layout, mechanical sandblasting and other steps. The treatment process disclosed in the invention enables the ceramic products to form diversified artistic effects, and has simple requirements on production technology and is easy to operate; meanwhile, the ceramic external pattern surface mechanical sandblasting treatment process saves costs and can achieve batched semi-mechanical production.

The invention relates to a method for producing a composite layer substrate of a trunk ornamental plate for an automobile, which can be particularly applied to manufacturing a composite layer of the trunk ornamental plate for the automobile. The method is characterized by comprising the following steps: taking PET as a bonding substrate; coating PP on the bonding area on the surface of a PET blanket; putting into an oven, heating, drying and taking out; and then pressing the substrate by a presser, and cutting by a cooling water cutter to obtain a finished product. The invention has simple technology and equipment requirement, stable technology, avoids investing for establishing large-scale equipment, ensures safety and accuracy of operation, and improves the operating efficiency. The finished product has the advantages of high resistance to high and low temperature, ageing resistance, good bending resistance, high rigidity and no breakage or droop; no semi-finished product accumulatesduring transportation so that the manufacturing cost is saved; and no harmful matter is generated in the whole production process.

The invention relates to the preparation and application of a nano-nickel/silver/copper (Ni/Ag/Cu) composite catalyst and belongs to the field of nano-catalyst preparation and catalytic research. The preparation comprises the following steps: preparing a hollow Ni/Ag/Cu composite nano-catalyst by using copper nitrate, silver nitrate and nickel nitrate as raw materials; performing reaction through the catalyst by using p-nitrophenol and absolute ethyl alcohol as the raw materials to raise the reaction temperature to 80-160 DEG C, maintaining the temperature, and reacting for 2-8h to obtain high-purity p-aminophenol. The hollow Ni/Ag/Cu composite nano-catalyst is in a spherical particle shape, is small in dosage and is high in catalytic activity and stability. A method for preparing the p-aminophenol through the nano-Ni/Ag/Cu composite catalyst is simple in process requirement and meets an industrialization requirement.

Disclosed is an intelligent uniform-force pedal moped which comprises a body system, a motor drive system, a flywheel chain plate transmission system, a control system, a pedal force measurement driving system and a brake system. The intelligent uniform-force pedal moped is characterized in that according to the body system, a front fork is mounted at the front end of a frame, and wheels are mounted on the front and the front fork; according to the motor drive system, a battery is fixed on the frame, and a motor is fixed on the frame through bolts; according to the flywheel chain plate transmission system, a first flywheel and a second flywheel which are concentric with the rear wheel are fixedly connected to the rear wheel and on one side of the rear wheel, and a motor flywheel is fixed on a shaft of the motor; according to the pedal force measurement driving system, one ends of N force transducers are fixed on the frame while the other ends are fixedly connected with a middle axle fixing block, and a middle axle is rotationally mounted in a hole of the middle axle fixing block through a headset; according to the brake system, brake mechanisms are mounted on the front and rear wheels respectively.

The invention discloses a preparation method of skyhigh nitrile crosslinking type powdery butadiene-acrylonitrile rubber. The preparation method comprises the following steps that firstly butadiene and acrylonitrile serve as monomers to synthesize butadiene-acrylonitrile latex through emulsion polymerization; then the butadiene-acrylonitrile latex is agglomerated into powder and subjected to centrifugal dehydration and drying, and the skyhigh nitrile crosslinking type powdery butadiene-acrylonitrile rubber is obtained. At the synthesis stage of the butadiene-acrylonitrile latex, the butadiene-acrylonitrile latex is prepared from 40-50 parts of acrylonitrile and 20-30 parts of butadiene; one of ammonium persulfate, potassium persulfate or diisopropylbenzene hydroperoxide is added into sodium formaldehyde sulfoxylate, ferrous sulfate, EDTA (ethylenediaminetetraacetic acid) tetrasodium and EDTA ferrisodium at the weight ratio of 1 to 0.5 to 0.25 to 0.1 to 0.1 to form a compound which serves as an initiator. The invention further discloses skyhigh nitrile crosslinking type powdery butadiene-acrylonitrile rubber prepared by adopting the method. The preparation method has the advantagesthat the polymerization reaction technology with high and mediate temperature combining is adopted; polymerization conversion rate is high, and no acrylonitrile and butadiene recycling devices are needed; the monomers react completely, and the cost is low; product quality stability is effectively improved, and oil resistance is better; the crosslinking of molecular chains is effectively completed,and the abrasion resistance and the heat resistance of the product are better.

The invention discloses a flame retardant for thin cigarettes, wherein the flame retardant comprises aluminum dihydrogen phosphate and PEG. The invention further discloses applications of the flame retardant, wherein the flame retardant is applied to preparation of fin cigarette paper. The invention further discloses applications of the thin cigarette paper, wherein the thin cigarette paper is applied to preparation of thin cigarette paper capable of regulating the combustion rate of a thin cigarette. The invention further discloses a preparation method of the thin cigarette paper capable of regulating the combustion rate of the thin cigarette. By using the thin cigarette paper capable of regulating the combustion rate of the thin cigarette, the combustion rate of a thin cigarette can be effectively regulated, the phenomenon of cigarette end falling caused by overlong combustion cone is reduced, irritation can be remarkably reduced, the ash wrapping effect after cigarette combustion isimproved, and the combustion quality and the consumption experience of thin cigarettes are effectively improved.

The invention discloses an aluminium alloy outer frame framing structure for a threshold-free door window. An outer frame is formed by assembling left and right vertical frames, an upper door frame and a lower door frame; the lower door frame is a threshold-free door frame; the lower end parts of the left and the right vertical frames are placed at the upper parts of the two ends of the threshold-free door frame, and the lower end sides of the vertical frame are connected together with the upper side of the end part of the threshold-free door frame at least through one threshold-free door cushion block; the two ends of the upper door frame are respectively connected together with the upper end parts of the left and the right vertical frames at an angle of 45 degrees or 90 degrees; the two vertical frames and the threshold-free door frame are aluminium alloy frames, vertical cushion blocks are positioned and fastened inside the lower end cavities of the vertical frames through fastening bolts, and the upper sides of the two ends of the threshold-free door frame are fixedly connected together with the lower end sides of the left and the right vertical frames through threshold-free door cushion blocks and the vertical cushion blocks. The framing form between the vertical frames and the threshold-free door frame is simplified, the manufacture process requirements are simplified, and moreover the integral air tightness of the threshold-free door corners is ensured.

The invention relates to a Cu@Ru/MCM-41 nanocatalyst, and a preparation method and an application thereof, and belongs to the field of nanocatalyst studies. A full-silicon MCM-41 mesoporous molecular sieve and nano-Cu particles are synthesized, and the Cu@Ru/MCM-41 nanocatalyst is prepared in the presence of an organic modifier. The surface of large-grain nano-Cu is wrapped with nano-Ru to form a heterojunction type Cu@Ru shell-core structure, and the Cu@Ru shell-core structure is loaded on a porous component MCM-41, so the dispersiveness of the active component Ru is greatly increased, thereby the active component Ru exposes many active sites, and the catalyst has a good hydrogenation performance; the Cu@Ru/MCM-41 nanocatalyst prepared in the invention has high catalytic activity and stability when catalyzing the hydrogenation of 1-nitroanthraquinone to produce 1-aminoanthraquinone; and the preparation method has the advantages of simple process route, small dosage of the catalyst, greenness and environmental friendliness, and meets industrialization requirements.

The invention relates to a solid wood combined outer frame end opening framing structure for a threshold-free door window. An outer frame end opening is formed by assembling left and right vertical frames and a lower door frame; the lower door frame is a threshold-free door frame; the lower ends of the left and the right vertical frames are placed at the upper parts of the two ends of the threshold-free door frame, and the lower end sides of the vertical frames are connected together with the upper side of the end part of the threshold-free door frame through threshold-free door cushion blocks; the two vertical frames are solid wood profile frames, and the threshold-free door frame is an aluminium alloy frame; the upper sides of the two end parts of the threshold-free door frame are fixedly connected together with the lower end sides of the left and the right vertical frames through the threshold-free door cushion blocks; the shapes of the upper surfaces and the lower surfaces of the threshold-free door cushion blocks respectively correspond to and are in accordance with the shapes of the lower end sides of the vertical frames of which the upper surfaces are connected and the shapes of the upper surfaces of the two end parts of the threshold-free door frame of which the low surfaces are connected; the threshold-free door frame and the threshold-free door cushion blocks are fixedly connected with the vertical frames thereon through fastening bolts, and a sealant is applied between the threshold-free door frame cushion blocks and the vertical frames and between the threshold-free door frame cushion blocks and the threshold-free door frame.

The invention relates to a composite sectional-bar outer frame framing structure of a threshold-free door-window. An outer frame is formed by assembling a left vertical frame, a right vertical frame, an upper door frame and a lower door frame, wherein the lower door frame is a threshold-free door frame, the lower end parts of the left vertical frame and the right vertical frame are arranged on the upper parts of the two ends of the threshold-free door frame, and the lower end of each vertical frame is connected with the upper edge of the end part of threshold-free door frame through at least one threshold-free cushion block; two ends of the upper door frame are respectively connected with the upper end parts of the left vertical frame and the right vertical frame by adopting a 45-DEG angular connection way or a 90-DEG angular connection way. By adopting the composite sectional-bar outer-frame framing structure of the threshold-free door-window, the framing form can be simplified, the production technological requirement can be simplified, the direct contact between the vertical frames and the threshold-free door frame can be avoided in the existence of the cushion block, and lumber of a lower opening of the vertical frame is prevented from being corroded by the invasion of the moisture.

The invention relates to a composite profile outer frame end opening framing structure for a threshold-free door window. An outer frame end opening is formed by assembling left and right vertical frames and a lower door frame; the lower door frame adopts a threshold-free door frame; the lower ends of the left and the right vertical frames are placed at the upper parts of the two ends of the threshold-free door frame, and the lower end sides of the vertical frames are connected together with the upper edge of the end part of the threshold-free door frame through threshold-free door cushion blocks; the vertical frames are aluminum wood composite frames comprising outer aluminium alloy profiles and inner wooden battens, and the threshold-free door frame adopts an aluminium alloy frame; vertical cushion blocks are positioned and fastened inside an aluminium alloy profile lower end cavities of the vertical frames through tightening screw; the upper sides of the two ends of the threshold-free door frame are fixedly connected together with the lower end edges of the left and the right vertical frames through the threshold-free door cushion blocks, the vertical cushion blocks and the inner wooden battens; according to the composite profile outer frame end opening framing structure provided by the invention, the framing form between the vertical frames and the threshold-free door frame is simplified and the manufacture process requirements are simplified through a way of mounting the cushion blocks between the vertical frames and the threshold-free door frame; moreover, through the effects of the cushion blocks, the vertical frames are prevented from being in direct contact with the threshold-free door frame, and the wood of the end openings of the vertical frames is protected from being attacked and corroded by water.

The invention relates to an outer frame end opening framing structure for a threshold-free door window. An outer frame end opening is formed by assembling left and right vertical frames and a lower door frame; the lower door frame adopts a threshold-free door frame; the two ends of the threshold-free door frame are respectively in direct or indirect connection with the lower end parts of the left and the right vertical frames fixedly; the lower end parts of the left and the right vertical frames are placed at the upper parts of the two ends of the threshold-free door frame, and the lower end sides of the vertical frames are connected together with the upper side of the end part of the threshold-free door frame through threshold-free door cushion blocks; the left and the right vertical frames and the threshold-free door frame are all aluminium alloy frames, vertical cushion blocks are positioned and fastened inside the lower end cavities of the vertical frames through fastening bolts, and upper sides of the two end parts of the threshold-free door frame are fixedly connected together with the lower end sides of the left and the right vertical frames through the threshold-free door frame cushion blocks and the vertical cushion blocks; the outer frame end opening framing structure provided by the invention mainly adopts a way of mounting cushion blocks between the vertical frames and the threshold-free door frame, so that the framing form between the vertical frames and the threshold-free door frame is simplified, and the manufacture process requirements are simplified. Moreover, the entire air tightness of the corners of a threshold-free door is ensured.

The invention discloses an aluminum alloy chromate-free passivation agent containing a fluorescent agent as well as a preparation method and a use method of the aluminum alloy chromate-free passivation agent, and belongs to the field of metal surface treatment. The invention discloses an aluminum alloy chromium-free passivation agent containing a fluorescent agent. The aluminum alloy chromium-free passivation agent comprises the following components in percentage by weight: 30%-90% of deionized water, 1%-10% of inorganic acid, 1%-10% of a film-forming main agent, 1%-10% of the fluorescent agent, 1%-10% of an accelerant, 1%-10% of a complexing agent and 1%-10% of a corrosion inhibitor.

The invention relates to a solid wood combined outer frame framing structure for a threshold-free door window. An outer frame is formed by assembling left and right vertical frames, an upper door frame and a lower door frame; the lower door frame adopts a threshold-free door frame; the lower end parts of the left and the right vertical frames are placed at the upper parts of the two ends of the threshold-free door frame, and the lower end sides of the vertical frames are connected together with the upper side of the end part of the threshold-free door frame at least through a threshold-free door cushion block; the two ends of the upper door frame are respectively connected together with the upper ends of the left and the right frames by adopting a 45-degree angle or 90-degree angle connecting way; the two vertical frames are solid wood profile frames, and the threshold-free door frame is an aluminium alloy frame; the upper sides of the two end parts of the threshold-free door frame are fixedly connected together with the lower end sides of the left and the right frames through threshold-free door cushion blocks; the solid wood combined outer frame framing structure mainly adopts a way of mounting the cushion blocks between the vertical frames and the threshold-free door frame, so that the framing form between the vertical frames and the threshold-free door frame is simplified, and the manufacture process requirements are simplified; moreover, through the effects of the cushion blocks, direct contact between the vertical frames and the threshold-free door frame is avoided, the wood of the vertical frame end opening is prevented from being attacked and corroded by water.