33results about How to "Optimizing Section Shape" patented technology

Disclosed is a photosensitive coloring composition which has excellent dispersion stability of a pigment and good reworkability, and is capable of forming a colored layer that has a good cross-sectional shape. The photosensitive coloring composition contains a resin (A), a pigment (B), an active energy ray polymerization initiator (C), an active energy ray-curable monomer (D) and a solvent (E). The resin (A) contains a vinyl resin (F) in an amount of not less than 50% by weight, and the vinyl resin (F) contains a constituent unit (a) having a carboxyl group in an amount of 2-50% by weight, a constituent unit (b) having one or more cyclic structures, which are selected from the group consisting of aromatic rings represented by general formula (1), aromatic rings represented by general formula (2), aliphatic rings represented by general formula (3) and aliphatic rings represented by general formula (4), in an amount of 2-50% by weight, and other constituent units (c) in an amount of 10-80% by weight. (In general formulae (1) and (2), R represents a hydrogen atom or an alkyl group having 1-20 carbon atoms, which may have a benzene ring.)

The invention provides a sea-island type composite fiber and its production method and application. It uses thermoplastic resins such as PP and PA6 as island components, biodegradable polylactic acid PLA or its copolymers as sea components, and adopts composite spinning method to obtain sea-island composite fibers with regular cross-sectional shape and excellent physical properties. The indicators are excellent. This sea component is biodegradable and can be dissolved by alkali under relatively mild conditions. The composite fiber or its fabric can be treated with alkaline water to produce superfine fiber or fabric. The alkaline treatment process is simple and easy to control, and the product dissolved by alkaline solution is easy to be post-treated, basically pollution-free and environmentally friendly. The technical scheme of the invention can be used to make clothing, high-grade synthetic leather, artificial suede and the like.

The invention relates to the field of cable suspension of bridges, in particular to a direct cable weaving and hanging method for a cable strand of a suspension bridge. A field direct cable weaving and hanging method for the cable strand of the suspension bridge comprises the following steps of: weaving a unit strand; arranging weaving equipment; drawing the unit strand; thermally casting an anchor; cooling an anchor device; arranging a strand anchor device; and linearly adjusting. The method is characterized in that the unit strand is directly drawn after being woven to erect the suspension bridge. The unit strand is woven after the weaving equipment is arranged and before drawing. The method has high working efficiency, and a large quantity of costs is saved.

The invention belongs to the field of new energy, and provides a structural design method and device for improving the energy storage density of a flywheel rotor. Control points are arranged along the radius direction of the rotor, a spline curve fitting method is used for describing the thickness distribution of the rotor, a flywheel structure parameter optimization model is established, a mathematical method of finite element analysis and structure optimization is adopted to carry out optimal design on the section shape of the flywheel rotor, and a design goal for improving the energy storage density of the flywheel rotor is realized. The method has the effects and the benefits that the thickness distribution of the flywheel rotor is designed to effectively improve energy storage density when quality and structure stress conditions are met. In addition, an end plate is reinforced on the outer layer of the flywheel rotor to effectively lower resistance generated by surrounding fluid during high-speed rotation. The structural design method and device can be widely suitable for designing flywheel structures in various engineering fields.

The invention relates to a manufacturing method of a hollow reconstituted wood material for a structure, and belongs to the technical field of green building materials. According to the method, raw bamboo, wood veneers and adhesives are used as raw materials for manufacturing the hollow reconstituted wood material for the structure through steps of defibering, drying, impregnation, laying, pressing shaping and the like. In the process of manufacturing the reconstituted wood material by a conventional process, a solid steel sectional material laying and demolding process is added so as to optimize the cross section shape of the reconstituted wood material; the reconstituted wood material with the hollow cross section is manufactured; the manufacturing cost is low; and the manufacturing process is simple and convenient. When the reconstituted wood material is used as structure components such as beams and plates, the relative mechanical properties of the whole components can be obviouslyimproved by using the optimized hollow cross section. The hollow reconstituted wood material for the structure can be simply, conveniently and fast manufactured by the method; and the manufactured reconstituted wood material for the structure has the characteristics of low cost and high mechanical properties, and has wide application prospects in building structures.

The present disclosure is directed to providing a focused ion beam processing apparatus capable of improving a shape of a cross-section when cross-section processing is performed using a focused ion beam, and improving operation efficiency. The focused ion beam processing apparatus (100) includes: an ion source (21); a sample stage (50) holding a sample; a condenser lens (22); an aperture (24) having having a slit (24) with at least one side in a straight line shape; a projection lens (28) placed in a beam path between the aperture and the sample stage; the sample is machined with a section; in a transfer mode, by Kohler illumination, with an applied voltage of the condenser lens when the focused ion beam (20A) is focused on a main surface of the projection lens scaled to be 100, the applied voltage is set to be less than 100 and greater than or equal to 80; a position of the aperture is set such that the focused ion beam is masked by the aperture with the one side of the aperture at a distance greater than 0 [,u]m and equal to or less than 500 [mu]m from a center of the focused ion beam, so that the shape of the slit is transferred onto the sample.

Disclosed is a photosensitive coloring composition which has excellent dispersion stability of a pigment and good reworkability, and is capable of forming a colored layer that has a good cross-sectional shape. The photosensitive coloring composition contains a resin (A), a pigment (B), an active energy ray polymerization initiator (C), an active energy ray-curable monomer (D) and a solvent (E). The resin (A) contains a vinyl resin (F) in an amount of not less than 50% by weight, and the vinyl resin (F) contains a constituent unit (a) having a carboxyl group in an amount of 2-50% by weight, a constituent unit (b) having one or more cyclic structures, which are selected from the group consisting of aromatic rings represented by general formula (1), aromatic rings represented by general formula (2), aliphatic rings represented by general formula (3) and aliphatic rings represented by general formula (4), in an amount of 2-50% by weight, and other constituent units (c) in an amount of 10-80% by weight. (In general formulae (1) and (2), R represents a hydrogen atom or an alkyl group having 1-20 carbon atoms, which may have a benzene ring.)

The invention provides a method for manufacturing a finned square rectangular steel tube. The method comprises the following steps: (1) carrying out trimming on the inner angle of the end face of a welding edge, wherein the trimming angle phi is 45+ / -2 degrees, and the trimming left root h meets the equation: h=1 / 2 thickness of a plate+ / -0.5mm; (2) carrying out pre-profiling of cold bending on strip steel through a die, and forming the shape and corresponding size of a product preliminarily; (3) carrying out extruding welding through four rollers: using an upper extrusion roller, a lower extrusion roller, a left extrusion roller and a right extrusion roller for extrusion, and bending a side extrusion roller of a finned edge by 3-6 degrees for carrying out high-frequency welding on the end face of the welding edge and the surface of the inner side of the finned edge; (4) planning welding burrs: planning outer burrs through an arc blade and avoiding the finned edge, and regulating the angle of a planer tool until the included angle alpha 1 between the planer tool and the vertical direction of the finned edge is 6 degrees, wherein the angle alpha 2 of the bottom of a planer tool is 18 degrees; (5) carrying out sizing shaping: when the four rollers are sized and shaped in an extrusion mode, bending the side extrusion roller of the finned edge by 2-3 degrees, and enabling the angle of the finned edge to meet the standard requests. The product produced through the method is good in shape of the cross section, good in surface quality, free of scratch, good in planeness, and stable and qualified in welding.

The invention discloses a special-shaped cable and a preparation method thereof. The guide core of the special-shaped cable is formed by connecting at least two guide core sections with different cross-sectional shapes end to end. The outside of the core segment is covered with an insulating layer, and the contour of the insulating layer fits the core segment. The cable has good bending performance, can better fit the vehicle body, saves consumables, and greatly improves its safety performance. The cable uses an aluminum or aluminum alloy guide core, which can reduce the weight of the vehicle body and reduce the production cost of the motor vehicle. The preparation method of the special-shaped cable includes the steps of making core segments, connecting core segments and making insulating layers, which can effectively improve production efficiency and production volume and reduce production costs according to different production requirements.

The present invention relates to a photosensitive resin compound, an optical spacer, a protective film, a coloring pattern, a display device and a substrate thereof. The photosensitive resin compound provided by the invention comprises the following components: (A) a resin which is provided with branched structure and / or alicyclic ring structure on the side chain, acidic group and substituted alkyl that is provided with two ethylenic linkage type unsaturated bonds, (B) a polymeric compound which is provided with ethylenic linkage type unsaturated bond, and (C) a photopolymerization initiatingagent. The photosensitive resin compound can form a pattern structure or protective film which has the advantages of high sensitivity, excellent storability in liquid state, excellent ageing stability and mechanical characteristic of photosensitive film after film forming.

Provided is a photosensitive resin composition, which has short drying time, no coating unevenness and uniform coating film thickness when the pressure reduction drying or vacuum drying method are not adopted to perform natural drying after narrow slit coating, and has good against corrosion pattern shape after exposure and developing. The photosensitive resin composition adopting a photosensitive resin composition containing alkali soluble phenolic resin, photosensitizer containing quinone diazido, and a mixed solvent of propylene glycol monomethyl ether acetate (A) and a solvent (B) whose boiling point is below 145 DEG C and n-butyl acetate evaporation velocity is more than 50, is coated on the substrate through a narrow slit coating method, dried without adopting a pressure reduction drying or vacuum drying method, and then exposure and developing are performed to form anticorrosion patterns.

Provided is a resist underlayer film-forming composition which is capable of providing a resist underlayer film, said resist underlayer film exerting a sufficient anti-reflection function particularlyin a KrF process, a high solvent resistance and a high dry etching speed, and enables the formation of a photoresist pattern having a good cross-sectional shape. The resist underlayer film-forming composition comprises a copolymer which contains: structural unit (A) derived from a diepoxy compound; and structural unit (B) derived from a compound represented by formula (1) [wherein: A represents abenzene ring or a cyclohexane ring; X represents a hydrogen atom, an alkyl or alkoxy group having 1 to 10 carbon atoms and optionally substituted by a halogen atom, or an alkoxycarbonyl group having2 to 11 carbon atoms; and Y represents -COOH or -L-NHCO-Z-COOH (wherein: Z represents an alkylene group having 3 to 10 carbon atoms and optionally substituted by an oxygen atom, a sulfur atom or a nitrogen atom; and L represents a single bond or a spacer)].