40results about How to "Reduce process pressure" patented technology

Dendritic polymers with enhanced amplification and interior functionality are disclosed. These dendritic polymers are made by use of fast, reactive ring-opening chemistry (or other fast reactions) combined with the use of branch cell reagents in a controlled way to rapidly and precisely build dendritic structures, generation by generation, with cleaner chemistry, often single products, lower excesses of reagents, lower levels of dilution, higher capacity method, more easily scaled to commercial dimensions, new ranges of materials, and lower cost. The dendritic compositions prepared have novel internal functionality, greater stability (e.g., thermal stability and less or no reverse Michael's reaction), and reach encapsulation surface densities at lower generations. Unexpectedly, these reactions of polyfunctional branch cell reagents with polyfunctional cores do not create cross-linked materials. Such dendritic polymers are useful as demulsifiers for oil / water emulsions, wet strength agents in the manufacture of paper, proton scavengers, polymers, nanoscale monomers, calibration standards for electron microscopy, making size selective membranes, and agents for modifying viscosity in aqueous formulations such as paint. When these dendritic polymers have a carried material associated with their surface and / or interior, then these dendritic polymers have additional properties for carrying materials due to the unique characteristics of the dendritic polymer, such as for drug delivery, transfection, and diagnostics.

The invention relates to a pixel arrangement method. A first structure unit and a second structure unit form a repeating unit, are respectively repetitively arranged in the horizontal direction, and are arranged at intervals in the vertical direction; the first structure unit and the second structure unit respectively comprise seven sub pixels; the seven sub pixels comprise two first color sub pixels, two second color sub pixels, two third color sub pixels and one fourth sub pixel; or two first color sub pixels, one second color sub pixel, two third color sub pixels and two fourth sub pixels. The invention also relates to a sub pixel rendering method and an image display device. Under the condition of limited process technology, the resolution ratio is improved, and meanwhile, the power consumption is reduced.

The invention discloses a high purity cyclic peptide compound, and a chemical structure is illustrated in formula I. R represents H or a cation ion capable of forming salt acceptable in pharmacy, and the purity is larger than and equal to 99.0%. A preparation method and application of the high purity cyclic peptide compound are further disclosed.

The invention provides a method for producing a woven weftwise hollow fabric, which comprises the process steps of grey cloth weaving, singeing and desizing, scouring and bleaching, caustic soda mercerizing, whitening or dyeing, tentering and setting, and preshrinking in turn, and is characterized in that: a grey cloth washing step is performed between the grey cloth weaving step and the singeing and desizing step; and in the grey cloth weaving step, a certain amount of vinylon filaments are introduced according to weft flower row space when a loom moves to insert wefts. Because the certain amount of vinylon filaments are introduced according to weft lower row space when the loom moves to insert wefts in a grey cloth weaving step, a warpwise and weftwise hollow effect is well achieved without modifying the equipment; in the grey cloth washing step, the vinylon filaments are dissolved initially for reducing the processing load in the subsequent steps and reducing dye and steam consumption; and thus, production cost is reduced, the stop time of equipment for changing processes is reduced, production efficiency is improved, the fabric produced is beautiful, comfort and highly breathable.

The invention relates to a high-fluidity wide-processing-widow polyimide pre-polymer and a preparation method thereof. A structural formula is shown in the description, wherein n is 1-20 and is an integer. The preparation method comprises the steps of dissolving 3,4'-diaminodiphenyl ether 3,4'-ODA in an organic solvent under the nitrogen protection condition, adding 2,3,3',4'-tetracarboxydiphthalic ether dianhydride a-ODPA after complete dissolution, meanwhile adding the organic solvent to enable the solid content of a solution to be 10%-40%, adding an end-capping reagent during reaction at the room temperature to continue to perform reaction, dropwise adding a dehydrating agent to perform reaction, washing, drying and smashing. The pre-polymer can be formed through compression molding, is well applicable to a resin transfer forming process and has potential application value on the aspect of preparation of high-performance composite materials, high-temperature-resisting adhesives and the like.

The present invention relates to a plasma etching apparatus, which comprises a chamber, a substrate support disposed inside the chamber to support a substrate, a shield disposed with a gap on the substrate such that plasma is not generated therein while allowing an edge portion of the substrate to be exposed, an antenna disposed at a position on an outer wall of the chamber to apply plasma-generating power to an area between the edge portion of the substrate and an inner wall of the chamber, and a bias-applying unit for applying bias to the substrate support. According to the present invention, the shield and the substrate support prevent plasma from being generated at other portions of a substrate except an edge portion of the substrate. Inductively coupled plasma is employed to generate plasma with high density, thereby removing a thin film and particles remained at the edge portion of the substrate. In addition, by means of the discharging of inductively coupled plasma, it is possible to improve an etching rate at the edge portion of the substrate and to adjust the profile of an etching process at a low processing pressure.

A composite material comprising a solid particulate material and a matrix material encapsulating the solid particulate material, wherein each dividual particle of the solid particulate material is in contact with at least one adjacent solid particle. A method comprising providing a solid particulate material, providing a mold, evacuating the solid particulate material in the mold to remove gas in the void space between the particles of the particulate material, evaluating the mold, introducing the evacuated solid particulate material into the mold, providing a fluid matrix material, and introducing the fluid matrix material into the void spaces while constraining the solid particulate material.

The invention discloses a low-cost optical imaging system with a large aperture, which is sequentially provided with a first lens, a second lens, a diaphragm, a third lens, an aspheric double-glued lens and an optical filter from the object side to the image surface; the aspheric surface The doublet lens comprises a fourth lens and a fifth lens cemented together, the first lens and the fourth lens are all negative focal length lenses, the second lens, the third lens, and the fifth lens are all positive focal length lenses, the first lens, the second lens The second lens, the fourth lens and the fifth lens are all aspherical lenses, the third lens is a spherical lens; the focal length of the first lens is f1, the focal length of the second lens is f2, the focal length of the third lens is f3, and the fourth lens The focal length of the fifth lens is f4, and the focal length of the fifth lens is f5, where f1, f2, f3, f4, and f5 satisfy: f1<‑3, f4<‑60, f5>30,0.05 <f1 f4<5，‑5<f1 f5<5，f2 f3>2. The aperture of the optical imaging system of the present invention reaches more than Fno1.6, and the relative illuminance reaches more than 70%, which can effectively control the aperture and thickness of the lens and reduce the tolerance sensitivity of the system.< / f1>

The invention relates to a high-fluidity wide-processing-widow polyimide pre-polymer and a preparation method thereof. A structural formula is shown in the description, wherein n is 1-20 and is an integer. The preparation method comprises the steps of dissolving 3,4'-diaminodiphenyl ether 3,4'-ODA in an organic solvent under the nitrogen protection condition, adding 2,3,3',4'-tetracarboxydiphthalic ether dianhydride a-ODPA after complete dissolution, meanwhile adding the organic solvent to enable the solid content of a solution to be 10%-40%, adding an end-capping reagent during reaction at the room temperature to continue to perform reaction, dropwise adding a dehydrating agent to perform reaction, washing, drying and smashing. The pre-polymer can be formed through compression molding, is well applicable to a resin transfer forming process and has potential application value on the aspect of preparation of high-performance composite materials, high-temperature-resisting adhesives and the like.

This invention discloses a low blasting pulp making method in palm fibre. It includes material pretreatment, that is alkali, and sodium-sulfur compound and water are added into palm fibre materials. The bone dry weight percentage is that alkali 0-10%, sodium-sulfur compound 0-16% and water that can make liquid ratio to 0.5-3, then they are placed for 0-24 hours after uniformly blended. Then the materials after pretreatment are low pressure proposed and discharged. The advantages are low cost, low temperature, and low damage to fiber. The waste water after pulp making can be used as fertilizer for crop irrigation, low pollution high gain ratio. It can be used to make high strength card board, corrugated board, writing paper, manifold paper and other culture using paper.

The invention discloses a liquid metal grinding disc self-repairing device with automatic grabbing function, which includes a three-degree-of-freedom drive device, a rotating platform, a mechanical gripper, a gripper cylinder, a camera, a grinding disc, a processing station and a self-repairing device. Station, the three-degree-of-freedom driving device is set between the processing station and the self-repairing station. Connect the mechanical gripper and drive the opening and closing of the mechanical gripper. The camera is set at the rotating end of the rotating platform connected to the mechanical gripper; the invention injects the mixture of liquid metal and abrasive grains into the In the grinding tool, the liquid metal is slowly solidified into a solid through the cooling module to realize the production of the grinding disc. Due to the low melting point of liquid metal, the grinding and polishing plate is formed quickly, and the self-leveling technology can achieve extremely high surface flatness.

The invention provides a bundled bullet release device with a primary and secondary structure. The bullet release device comprises a bundling mechanism which is connected among a primary body, bullets and a tail wing seat and a release mechanism, wherein the release mechanism is arranged at a cylindrical opening of a head cap of the primary body; the periphery of a ring gear wherein the release mechanism is connected with the head cap is provided with a plurality of pairs of shaft seats; an axis of each shaft seat is parallel to a tangent line of the ring gear; a radial turning block opening is formed in the ring gear between each pair of shaft seats; an axial turning block opening is formed at a position corresponding to the head cap; one turning block is arranged on each pair of shaft seats through a rotating shaft; a positioning notch and a boss for hooking a bundling rope are formed on the turning block, a rope hooking side of the boss is reverse to a positioning surface of the positioning notch, and the rope hooking side and the positioning surface of the positioning notch are formed in two quadrants which are not adjacent to each other; a disc-shaped limiting plate is positioned on the rear side of the ring gear and is correspondingly attached to the positioning surface with the positioning notch on the turning block; a middle part of the disc-shaped limiting plate extends out of one side of the head cap to form a necking section and a fixing ring table; the fixing ring table is connected with an internal thread of the ring gear; an exploder is arranged in the necking section; a cylindrical section of the head cap is in butt joint with the bullets through a jack; one end of the bundling rope is fixed on a rear connecting ring; and a lantern ring at the other end of the bundling rope is sleeved on the boss of the turning block.

The invention discloses a water fetching tube of the centrifugal machine. The water fetching tube comprises a two-ended internal tooth movable joint (1), a water fetching header tube (2), a flange (3), a screw hole (4), a triangular steel plate (5), spray nozzle joints (61) to (67), and a bottom slope part (7) of the water fetching tube, wherein the two-ended inner tooth movable joint (1) is positioned at the top end of the water fetching header tube (2); the bottom slope part (7) is positioned at the bottom end of the water fetching header tube; the flange (3) is arranged below the two-ended inner tooth movable joint; the screw hole (4) is distributed on the horizontal plane of the flange (3); the triangular steel plate (5) is arranged below the flange (3); the spray nozzle joints (61) to (67) are distributed on the lower part of the flange (3) and the bottom slope part (7) in special proportion. The water fetching tube of the centrifugal machine is small in water consumption, is relatively low in overlapping ratio of jetted water surfaces, is less in molten sugar, and is high in sugaring quality.

The present invention is to provide a method for bonding between electrical devices, including the steps of: aligning electrodes on a bonded area of an upper electrical device and a lower electrical device to be bonded; and curing of adhesives by applying ultrasonic energy to the adhesives between the upper electrical device and the lower electrical device.