38results about How to "Excellent developability" patented technology

The invention provides a novel antifouling developing coating material and a preparation method and application thereof, the antifouling developing coating material has a structure as shown in formula I. In the structure of the antifouling developing coating material, platinum nanoparticles are connected with a modified phosphorylcholine polymer, and the modified phosphorylcholine polymer is partially used as an antifouling unit; and the platinum nanoparticles are used as developing units, so that the antifouling developing coating material has excellent antifouling performance and developing performance at the same time. The siloxane group in the antifouling unit can form covalent binding with the surface of the substrate, so that the coating is firmly bound on the substrate, the binding stability and safety of the antifouling developing coating material on the substrate are ensured, the antifouling developing coating material cannot be lost or fall off along with time lapse, the durability and reliability of the developing coating are remarkably improved, and the service life of the developing coating material is prolonged. Wide application prospects are realized.

The invention provides an antifouling developing coating material and a preparation method and application thereof.The antifouling developing coating material is of a structure shown in the formula I. The antifouling developing coating material combines antifouling and developing through a covalent binding technology, has excellent antifouling performance and developing performance, and can be applied to the field of chemical engineering. According to the invention, the stability and durability of the developing effect can be ensured, the safety is good, the application range is wider, and powerful support is provided for the safety of medical equipment and the accuracy of medical images.

The utility model provides a microcatheter which comprises a catheter body, the catheter body comprises an inner layer, a middle layer and an outer layer which are sequentially overlapped in a sleeved mode, the middle layer comprises a braid layer and a spring winding layer which are arranged from the near end to the far end in the axial direction of the catheter body, the far end of the braid layer is connected with the near end of the spring winding layer, the outer layer wraps all the braid layer, and the outer layer wraps part or all the spring winding layer. At least part of the length section of the spring winding layer is provided with a developing part. By means of the configuration, the manufacturing process of the microcatheter is simplified, the developing effect of the head end of the microcatheter is improved, and the overall outer diameter of the microcatheter is not increased.

The invention provides a novel antifouling developing coating material and a preparation method and application thereof.The antifouling developing coating material has the structure shown in the formula I. The antifouling developing coating material has excellent antifouling performance and developing performance at the same time, the stability and durability of the developing effect can be ensured, good safety is achieved, and the antifouling developing coating material can be applied to the field of chemical engineering. And the method has a wider application range.

The invention discloses a supporting-adjustable guiding catheter which comprises an inner tube and an outer tube movably arranged outside the inner tube in a sleeving mode and further comprises a self-adaptive externally-supported woven mesh tube, the self-adaptive externally-supported woven mesh tube comprises a fixed end and a movable end, and the outer tube comprises a driving end close to one end of the self-adaptive externally-supported woven mesh tube. The movable end is fixedly connected with the driving end through a corresponding metal ring; the fixed end is fixedly connected with the front end of the inner pipe through a corresponding metal ring; the outer pipe can slide relative to the inner pipe to drive the driving end to drive the moving end to be close to or far away from the fixed end, so that the self-adaptive externally-supported woven mesh pipe is switched between an externally-supported state and a straightened state. The self-adaptive externally-supported woven mesh tube is adjustable in externally-supported expanding diameter and supporting performance, is suitable for positioning blood vessels with different diameters, is convenient to operate, reduces the difficulty and risk of surgical operation, is high in centrality after penetrating into the blood vessels, improves the developing performance, and is beneficial for a doctor to accurately judge the placement position of the guiding catheter.

The negative photosensitive resin composition for a spacer includes an alkali-soluble acrylate resin in which polymers each composed of Chemical Formula 1 and Chemical Formula 2 are mixed with each other, a crosslinked acrylic monomer having at least two acrylic double bonds, a photopolymerization initiator, a silicon-based compound including an epoxy group or an amine group, and a solvent, the chemical formula 1 is synthesized by polymerizing 4, 4 '-(9H-fluorene-9-subunit) bisphenol, chloropropane methyl, acrylic acid and 4, 4'-diphthalic anhydride, and the chemical formula 2 is synthesized by polymerizing 1, 1, 2, 2-4 (p-hydroxyphenyl) ethane, chloropropane methyl, acrylic acid and 4, 4 '-diphthalic anhydride.

The invention relates to a crystal form of a compound I, a preparation method of the crystal form, and application of the crystal form in preparation of iron deficiency related treatment medicines for treating anemia accompanied with or not accompanied with iron deficiency. The novel crystal form of the compound I provided by the invention has the advantages of high solubility, good chemical stability, solid stability, mechanical stability and humidity stability, simple preparation method, easiness in crystal form control, low production amplification cost and the like, and has important value for development of the medicine in the future. # imgabs0 #

The invention discloses a corrosion inhibition developing solution and a preparation method and application thereof.The corrosion inhibition developing solution is prepared from quaternary ammonium hydroxide, binary acid, organic amine, polyhydric alcohol, a wetting agent, a stabilizer and water, through the synergistic effect of all the components, the corrosion speed of the corrosion inhibition developing solution on a metal aluminum substrate is low, and the corrosion inhibition developing solution has the good corrosion inhibition effect on the metal aluminum substrate. The problem of poor patterns caused by development of metal sensitive to alkali can be improved, meanwhile, the developing performance of the developing solution is excellent, and the loss of an unexposed region is smaller. In addition, the photoresist which can be developed by the anti-corrosion developing solution disclosed by the invention can be in a negative type and a positive type, and the type of the photoresist is not specially limited. According to the invention, the developing solution is prepared by using the wetting agent, so that the surface tension of the whole developing solution system can be obviously reduced under the condition that no surfactant except quaternary ammonium hydroxide is used, and the defect that the surface tension of the traditional developing solution is too large and the photoresist cannot be fully infiltrated is overcome; and the developing effect is not influenced by excessive foam.

The present invention relates to a photosensitive resin composition for a permanent resist, which contains (A) an acid-modified vinyl-containing resin, (B) an epoxy compound, (C) a photopolymerization initiator, (D) a photopolymerizable compound and (F) an inorganic filler, and wherein: the equivalence ratio of an epoxy group contained in the epoxy compound (B) to a carboxyl group contained in the acid-modified vinyl-containing resin (A) is 1.25-7.5; the inorganic filler (F) includes a silica filler having a vinyl group derived from a vinylsilane compound.

The invention relates to the technical field of medical instruments, in particular to a blood vessel embolism device which comprises a pushing assembly and an embolism ball assembly located at the far end of the pushing assembly, the pushing assembly and the embolism ball assembly are preset in a micro catheter, and the pushing assembly is used for pushing the embolism ball assembly out of the micro catheter and releasing the embolism ball assembly. The embolism ball assembly is coiled to form a spherical embolism structure after being pushed out of the microcatheter; wherein the embolism ball assembly comprises a ball shell, a ball core and an inner tail which are sequentially connected from the far end to the near end, the ball shell can be coiled to form a hollow spherical basket-shaped structure after being pushed out of the microcatheter, and the hollow spherical basket-shaped structure can be filled with the ball core after being pushed out of the microcatheter to form a spherical embolism structure; the pushing assembly comprises a pushing rod and an outer tail, the near end of the outer tail is connected with the far end of the pushing rod, the far end of the outer tail is connected with the near end of the inner tail, a disengagement point is arranged at the joint of the far end of the outer tail and the near end of the inner tail, and the outer tail is used for adjusting the position of the microcatheter head when the microcatheter is pushed out. The blood vessel embolism device can improve the safety when the spherical embolism structure is released.

The invention belongs to the technical field of photocuring, and relates to a nitrocarbazole (ketone) oxime ester compound, a product containing the same and application of the nitrocarbazole (ketone) oxime ester compound. Specifically, compared with existing and commercial photoinitiators, the structure of the compound provided by the invention has the advantage that the photosensitive property, especially the photosensitive property under long wavelength, of the compound is improved.

The invention discloses an injectable developing embolism microsphere preparation based on hydroxyapatite and a preparation method and application thereof, and belongs to the technical field of biomedical materials.The preparation method comprises the steps that hydroxyapatite microspheres loaded with an iodine contrast agent are prepared from hydroxyapatite microspheres and an iodine contrast agent injection; preparing HA1-iodine contrast agent-hydroxyapatite microspheres by using the hydroxyapatite microspheres loaded with the iodine contrast agent and large-molecular-weight hyaluronic acid HA1, mixing the HA1-iodine contrast agent-hydroxyapatite microspheres with small-molecular-weight hyaluronic acid HA2 to obtain mixed dry powder, mixing the mixed dry powder with a liquid carrier, and performing ultrasonic dispersion to obtain the iodine contrast agent-hydroxyapatite microspheres loaded with the iodine contrast agent. The injectable developing embolism microsphere preparation based on hydroxyapatite can achieve radiography under DSA and CT, slow sedimentation can be achieved in a specified blood vessel local part so as to achieve the uniform embolism effect, the excellent blood vessel embolism capacity is shown, and the injectable developing embolism microsphere preparation based on hydroxyapatite has wide application prospects in the aspect of interventional embolism treatment.

The invention discloses an adaptive design method and system for the thickness of an optical film, comprising the following steps: S1: first, a processor preliminarily calculates the film thickness data corresponding to each area under the target brightness / chromaticity requirements; S2: adjusting the voltages of the upper and lower substrates to change the liquid level of each area; S3: an imaging brightness colorimeter located on the light-emitting imaging side scans the light-emitting surface, obtains multi-point brightness / chromaticity data corresponding to each area, and uploads the data to a data processor; S4: comparing the brightness / chromaticity data and distribution conditions uploaded in step S3 with the given target brightness / chromaticity to determine whether the requirements are met; S5: ending the adjustment cycle, and outputting the voltage, liquid level, film thickness, brightness / chromaticity data and uniformity results of each area; the invention innovatively introduces feedback control into the design of an optical film to realize the automatic design of the thickness and surface morphology of the optical film under the specified brightness / chromaticity index; the problems of low efficiency, cumbersome work, low precision and high cost of manual design can be solved.

The present invention relates to a sulfonic acid derivative of naphthalimide and a photo-acid generator and photoresist composition each containing the sulfonic acid derivative of naphthalimide, more specifically, to a sulfonic acid derivative of naphthalimide compound and a photo-acid generator and photoresist composition each containing the sulfonic acid derivative of naphthalimide compound, wherein the sulfonic acid derivative of naphthalimide compound has excellent absorbency to light of i-line (365 nm) wavelength, is very easy to prepare a polymerizable composition due to having very high solubility in an organic solvent, and has excellent thermal stability, and exhibits a good acid yield.

A main body of the degradable blood flow guiding device is a hollow tubular support formed by winding and weaving a plurality of strands of wires in a staggered mode, after the degradable blood flow guiding device is placed in a blood vessel tumor carrying section, blood flow can flow through a hollow inner cavity, part of blood flows into an aneurysm from a support grid, the inflow amount of the blood is limited due to the fact that the support covers the position of a tumor opening, and therefore the blood flow guiding device can be used for guiding blood flow. In particular, the impact of blood on aneurysm can be relieved, and the wire is made of zinc alloy and a small amount of nickel-titanium alloy; through the mode that zinc alloy and a small amount of nickel-titanium alloy are mixed, overall degradability is achieved, long-term medicine taking is not needed, and stimulation to the blood vessel wall due to long-term implantation is greatly reduced. In addition, a film layer is further arranged on the guide device and used for further optimizing flow direction control, and the treatment effect is improved.

The invention discloses a method, a device and equipment for enhancing development of an ultrasonic puncture needle, which are used for solving the problem of poor development effect of an ultrasonic image of the ultrasonic puncture needle in related technologies. The method comprises the following steps: firstly, acquiring an ultrasonic image of an ultrasonic puncture needle under ultrasonic parameters adopted at the current time, and taking the ultrasonic image as input of a network model to obtain a plurality of quality parameter evaluation values for representing the needle body development quality of the ultrasonic puncture needle in the ultrasonic image; judging a comparison result of a weighting result of the plurality of quality parameter evaluation values and a target quality value; when a comparison result meets a set condition, stopping iteratively adjusting the ultrasonic parameters, and obtaining a puncture needle region segmentation image under the ultrasonic parameters adopted at the current time; and if the comparison result of the weighting result and the target quality value does not meet the set condition, continuing to iteratively adjust the ultrasonic parameters until the comparison result of the weighting result of the plurality of obtained quality parameter evaluation values and the target quality value meets the set condition.

Disclosed are a photosensitive resin composition, use thereof, a display device, and a semiconductor device. The photosensitive resin composition comprises: an alkali-soluble resin, a polymerizable monomer different from the alkali-soluble resin, and a photoinitiator comprising at least one oxime ester compound represented by Formula I. The oxime ester compound represented by Formula I has high thermal stability, good solubility in solvents commonly used for preparing photosensitive resin compositions, and can impart good film-forming properties, developability, and photosensitivity to the photosensitive resin composition. The photosensitive resin composition is suitable for use in preparing photo-cured materials such as a photoresist for semiconductors, a colored photoresist, a photo-spacer, etc. The definitions of the substituents in Formula I are as described in the specification and claims.[Formula I]

An object of the present invention is to provide a resin composition which does not inhibit photocuring reaction in an exposure step, and can confer excellent alkaline developability in a development step, when used in the fabrication of a multilayer printed wiring board; and a resin sheet, a multilayer printed wiring board, and a semiconductor device. The resin composition of the present invention contains: a compound (A) represented by the following formula (1); and a compound (B) containing one or more carboxy groups, other than the compound (A) represented by the following formula (1): wherein each R1 independently represents a group represented by the following formula (2) or a hydrogen atom; and each R2 independently represents a hydrogen atom, or a linear or branched alkyl group having 1 to 6 carbon atoms, provided that at least one R1 is a group represented by the following formula (2): wherein -* represents a bonding hand.

The present invention addresses the problem of providing: a lithographic printing plate precursor which exhibits excellent on-press developability, exhibits excellent printing durability when formed into a lithographic printing plate, and is capable of suppressing the occurrence of fouling; a method for producing a lithographic printing plate using the lithographic printing plate precursor; and a printing method. This lithographic printing plate precursor is provided with an aluminum support and an image recording layer, and is characterized in that the aluminum support comprises an aluminum plate and an anodized film of aluminum disposed on the aluminum plate, and the anodized film is positioned closer to the image recording layer side than the aluminum plate. The anodized film has micropores extending in the depth direction from the surface on the image recording layer side, the aperture ratio by the micropores is 20-70%, the gradient a45 at the surface on the image recording layer side of the anodized film is 3-25%, and the arithmetic average roughness Ra at the surface on the image recording layer side of the anodized film is 0.25-0.60 [mu] m.

The application provides a thick film positive photoresist composition, a preparation method and application thereof. The thick film positive photoresist composition comprises 70-90 parts of a base resin, 10-30 parts of a photosensitive compound and 100-150 parts of a solvent A; the base resin comprises a benzophenone modified phenolic resin and optionally an unmodified phenolic resin; the mass percentage of benzophenone groups in the base resin is 0.8-7.5% based on 100% of the mass percentage of the base resin; the photosensitive compound comprises a non-benzophenone photosensitive compound and optionally a benzophenone compound; the mass percentage of the benzophenone compound is less than or equal to 3.0% based on 100% of the mass percentage of the photosensitive compound. The application improves the uniformity of the benzophenone structure in the thick film positive photoresist composition by designing the specific composition of the thick film positive photoresist composition, thereby improving the steepness of the photoresist and realizing the development of the pattern.

The utility model provides a flow choking film. The flow choking film comprises a micro-nano developing film, an endothelialization promoting coating and a hydrophilic coating, wherein the endothelialization promoting coating and the hydrophilic coating are sequentially arranged on the surface of the micro-nano developing film; and the thickness of the coating for promoting endothelialization is 50nm-8mu m. According to the utility model, the specific structural design is adopted for the flow choking membrane, namely, the endothelialization promoting coating and the hydrophilic coating are sequentially arranged on the surface of the micro-nano developing membrane, and the thickness of the endothelialization promoting coating is controlled to be within a specific range, so that the flow choking membrane has a good developing effect, and can inhibit thrombosis and promote endothelialization creeping of cells.

The present invention addresses the problem of providing a photosensitive resin composition set and the like capable of producing an optical waveguide having excellent developability and flame retardancy, a low shrinkage rate, and small optical transmission loss. The solution is that the photosensitive resin composition set comprises a resin composition for a core and a resin composition for a coating, the core resin composition and the coating resin composition each contain (A) a carboxyl group-containing resin, (B) an epoxy resin, (C) a photocurable resin, (D) a photopolymerization initiator, and (E) one or more flame retardants selected from the group consisting of phosphate ester compounds and phosphazene compounds. When the content (mass%) of the component (E) in the coating resin composition is represented by Eclad and the content (mass%) of the component (E) in the core resin composition is represented by Ecore, Eclad-Ecore satisfies 0.6 to 12 inclusive, and the content (mass%) of the component (E) in the coating resin composition is represented by Eclad and the content (mass%) of the component (E) in the core resin composition is represented by Ecore, the content (mass%) of the component (E) in the coating resin composition is represented by 100 mass%. The content (mass%) of the (E) component in the core resin composition is the content when the non-volatile component of the core resin composition is set to 100 mass%.

An object of the present invention is to provide a resin composition which has excellent photocurability for various active energy rays, in particular, an active energy ray including an h-line at a wavelength of 405 nm, without inhibiting photocuring reaction in an exposure step, and can confer excellent alkaline developability in a development step, when used in the fabrication of a multilayer printed wiring board; and a resin sheet, a multilayer printed wiring board, and a semiconductor device. The resin composition of the present invention is a resin composition containing: a maleimide compound (A) containing a constituent unit represented by the formula (1), and maleimide groups at both ends of the molecular chain; a photo initiator (B1) represented by the formula (2) and / or a photo initiator (B2) represented by the formula (3); and a photo initiator (C) represented by the formula (4):

The invention discloses a KOH developing solution composition for an integrated circuit. The composition is prepared from inorganic alkali, a developing enhancer, a cardanol Schiff base surfactant and high-purity water. The developing solution has the characteristics of excellent developing performance, good wettability, few metal impurities, small foam, no corrosion to a metal aluminum substrate, easiness in rinsing, no residue on a chip, no pollution to the environment and the like, and can meet the use performance and cleanliness requirements of a chip integrated circuit.

The purpose of the present invention is to provide a red photosensitive composition having excellent storage stability and capable of forming a film having excellent resistance after low-temperature heating. The above-mentioned problem can be solved by a red photosensitive composition comprising a colorant (A), a resin (B) having an acidic group, a polymerizable compound (C), and a polymerization initiator (D), the colorant (A) comprising a red colorant (A1) and a yellow colorant (A2), the red color material (A1) contains one or more substances selected from the group consisting of C. I. Pigment Red 179 and C. I. Pigment Red 264, the yellow color material (A2) contains an isoindoline pigment, and the polymerization initiator (D) contains a polymerization initiator (D1) in which the light absorption coefficient of light having a wavelength of 365 nm in propylene glycol monomethyl ether acetate is 5.0 * 10 < 3 > L / mol.cm or more.

The invention provides a pyrazoline sensitizer, a preparation method of the pyrazoline sensitizer, a photosensitive resin composition containing the pyrazoline sensitizer and application of the photosensitive resin composition. The pyrazoline sensitizer has a structure as shown in a formula I; the pyrazoline sensitizer has an excellent sensitizing effect, and is good in compatibility with resin and the like, so that the photosensitive resin composition containing the sensitizer is short in curing time, the ultraviolet curing efficiency is remarkably improved, and the pyrazoline sensitizer is particularly suitable for a UV-LED light curing system.

The present invention discloses a regional information analysis system based on human-computer interaction, which relates to the technical field of regional information analysis, including a data acquisition unit, a terrain analysis unit, a road planning analysis unit, and a human-computer interaction module; at the data acquisition and analysis level, a grid network is used to establish acquisition nodes to obtain rich data, the terrain analysis unit can accurately evaluate the regional terrain level and undulation, and the road planning analysis unit determines the road planning route based on the data screening nodes, and the user can easily select the region to input keywords. The system determines the matching theme through natural language processing and word vector calculation, triggers the corresponding analysis unit, and displays the results intuitively and clearly, meets personalized needs, and improves information acquisition and decision-making efficiency; in terms of practicality, it is widely applicable to planning fields such as cities, transportation, and resource development, especially plays an important role in areas with complex terrain, accurately evaluates and plans, avoids waste of resources, and helps regional development and construction and transportation facilitation.

The invention discloses a developer for slowing down the corrosion of AlN substrate and a preparation method thereof. The developer comprises the following raw materials: quaternary ammonium hydroxide, a surfactant, a defoamer, an anticorrosive agent and water. In the process of preparing photoresist, the developer for slowing down the corrosion of AlN substrate of the invention has less corrosion to the AlN film in the bottom coating of the photoresist or in the area in contact with the photoresist, reduces the foam of the developer, enhances the development effect, and improves the yield rate of the product.