46results about How to "Control Adhesion" patented technology

The invention is directed to a method for transferring an integrated-circuit element from a source substrate to a predetermined position on a target substrate. A source substrate with an integrated-circuit element on it and an element transfer holder with a layer of an adhesive material with a controllable adhesivity are provided. The element transfer holder is lowered onto the integrated-circuit element whereby the adhesivity has a first value suited to hold the integrated-circuit element to the element transfer holder. Then the integrated-circuit element is released from the source substrate and the element transfer holder with the integrated-circuit element attached to it is removed from the source substrate. The target substrate is provided with a droplet of a liquid arranged at the predetermined position and the element transfer holder is lowered with the integrated-circuit element attached to it onto the target substrate such that the integrated-circuit element gets into contact with the droplet. Then the adhesivity of the adhesive material is set to a second value suited to release the integrated-circuit element from the element transfer holder whereby the droplet aligns the integrated-circuit element to the predetermined position. Finally the element transfer holder is removed from the integrated-circuit element.

The invention provides a method for preparing a conductive composite nanofiber nervous tissue engineering scaffold based on graphene. The method includes the following steps: a step 1, dissolving tussur silk fibroin and poly (lactic acid)-poly caprolactone in a solvent with stirring till complete dissolution of the tussur silk fibroin and the poly (lactic acid)-poly caprolactone so as to acquiring a spinning solution; a step 2, performing electrostatic spinning on the spinning solution obtained from the step 1 so as to acquire a nanofiber membrane, performing steam fumigation treatment by using ethyl alcohol, and performing drying so as to acquire tussur silk fibroin/ poly (lactic acid)-poly caprolactone composite nanofibers; and a step 3, dipping the tussur silk fibroin/ poly (lactic acid)-poly caprolactone composite nanofiber scaffold material obtained from the step 2 in a graphene oxide dispersion liquid, taking out the tussur silk fibroin/ poly (lactic acid)-poly caprolactone composite nanofiber scaffold material, cleaning the tussur silk fibroin/ poly (lactic acid)-poly caprolactone composite nanofiber scaffold material, soaking the tussur silk fibroin/ poly (lactic acid)-poly caprolactone composite nanofiber scaffold material in an ascorbic acid solution, taking out the tussur silk fibroin/ poly (lactic acid)-poly caprolactone composite nanofiber scaffold material, and cleaning the tussur silk fibroin/ poly (lactic acid)-poly caprolactone composite nanofiber scaffold material so as to acquiring the conductive composite nanofiber nervous tissue engineering scaffold based on the graphene. The method is simple to operate, is excellent in repeatability, and can provide a new thought for nerve defect repairing.

The invention discloses a method for guiding fixed-point cell growth by preparing chemical micro-patterns on the surfaces of various materials. The preparation process comprises the following steps of: 1) hydroxylating the surfaces of a glass sheet, a quartz sheet, a silicon sheet, a transition metal oxide and the like and coating dopamine on the surface of polymer or other inorganic materials; 2) obtaining dense anti-protein adsorption films on the pretreated surfaces by molecular self-assembly or an atom transfer radical polymerization method, wherein the dense anti-protein adsorption films are polyethylene glycol films or polyethylene glycol methacrylate films; and 3) covering mask plates on the anti-protein adsorption films, performing ultraviolet irradiation and adding fibronectin to obtain protein micro-patterns; and inoculating cells to obtain the cell patterns. The method has the advantages of simple operation, low cost, mild preparation conditions and no need of super clean experimental conditions. By adopting the method, stable and high-selectivity cell micro-patterns can be obtained on the surfaces of various materials; and the method has a broad application prospect in the fields of basic researches on cell biology, tissue engineering, drug screening and cell-based biosensors.

The invention discloses a nano-composite coating with low surface energy and a preparation method thereof. The nano-composite coating consists of a transition layer and a surface layer, wherein the thickness of the transition layer is between 2 and 200 mu m, and the transition layer consists of more than one layer of mixture of bulbs, clubs and flakes; and the thickness of the surface layer is between 2 and 40 mu m, and the surface layer consists of a reticulated silica glassy substance. The method comprises the steps of: performing cleaning and roughing treatment on the surface of a substrate first, then mixing the bulbs, the clubs, the flakes, a slurry forming agent and a solvent to obtain slurry of the transition layer, using the slurry of the transition layer to coat the substrate, placing the coated substrate at a temperature of between 180 and 250 DEG C to obtain the transition layer, then mixing organosiloxane water solution and alcohol solution of ethyl orthosilicate to obtain hydrolytic polycondensation reaction solution first, then dripping acid into the hydrolytic polycondensation reaction solution to obtain coating solution of the surface layer, coating the substrate coated with the transition layer by the coating solution of the surface layer, and then placing the substrate at a temperature of between 180 and 250 DEG C to obtain the nano-composite coating with low surface energy. The coating has the characteristics of low surface energy, high density, adjustable hardness, good flexibility and strong adhesion force.

A multilayer film has a first layer and a second layer. The first layer comprises an additive, a binder, and a crosslinking agent. The additive is a flavor, fragrance, colorant, antimicrobial agent, antioxidant, chelating agent, and/or odor absorbent. The binder is a polysaccharide and/or a protein. The crosslinking agent comprises a compound with at least two carbonyl groups. The second layer comprises a non-water-soluble thermoplastic polymer comprising at least one member selected from the group consisting of polyolefin, polyamide, polyester, polyvinylidene chloride, polyvinyl chloride, and polystyrene. Each of the additive, binder, and crosslinking agent are present throughout a thickness of the first layer. Preferably, the first layer is coated onto the second layer, which is preferably a non-water-soluble thermoplastic polymer, e.g., polyolefin, polyamide, and/or polyester. The film is especially useful for cook-in applications, in which a food product (preferably comprising uncooked meat) is packaged in the film with the coated layer against the meat. The meat is then cooked and the additive transfers to the meat, and purge can be very low. The invention also pertains to a process for preparing a cooked food product, process for making a coated film, and articles formed from the film, such as bags and casings.

A ceramic element, including: a ceramic body having an internal electrode layer and a ceramic layer; an external electrode having a base electrode which is provided on the outside of the ceramic body so as to be electrically connected with the internal electrode layer, and a plating layer covering the outer surface of the base electrode; and a protective layer for covering at least a portion of the outer surface of the ceramic layer other than the portion covered by the external electrode, wherein the protective layer includes a first layer that is an insulating layer containing an insulating oxide, and a second layer that is an insulating layer containing the same insulating oxide as the first layer and an element that is the same as at least one of elements forming the ceramic layer, and the first layer and second layer are formed in that order from the inside.

The invention discloses a flexible substrate structure, a preparation method of the flexible substrate structure, and a preparation method of a flexible display device. A rigid substrate is provided, a plurality of island structures subjected to discrete distribution are prepared on an upper surface of the rigid substrate, a flexible substrate covers the upper surfaces and side walls of the island structures and the exposed upper surface of the rigid substrate, and the adhesive force of a unit area between the flexible substrate and the rigid substrate is different from the adhesive force of the unit area between the flexible substrate and the island structures; a preparation process of a thin film transistor device structure and an organic light emitting diode device structure is further performed on the basis of the flexible substrate structure to form the flexible display device; and the contact areas of the flexible substrate with the rigid substrate and the island structures can be controlled easily so as to control the total adhesive force of the flexible substrate with the rigid substrate and the island structures, and thus the flexible substrate structure with an ideal adhesive force is prepared.

The invention discloses a method for guiding cell behaviors, based on a gold nanowire array. The method comprises the following steps: a, preparing a substrate; b, depositing a gold film; c, preparinga sample module; d, preparing a two-dimensional gold nanowire array structure; e, preparing a three-dimensional gold nanowire array structure; f, culturing human mesenchymal stem cells; g, guiding the cells through a gold nanowire array. The gold nanowire prepared through the method is simple in topological surface operation and high in controllability, and can accurately control the cross angleof nanowire arrays, thereby providing a universal and stable method for realizing the effective guidance of behaviors, such as cell adhesion, orientation and extension.

The invention discloses a laser treatment method for improving biocompatibility of magnesium alloy. According to the method, the surface corrosion resistance of a magnesium alloy implant is improved through a laser remelting process, so that the hydrogen generation rate of the implant in the corrosion process is within the human absorbable range. Meanwhile, due to improvement of the corrosion resistance, the pH value of the surrounding environment of the implant is relatively stable and acid alkali balance of an organism near the implant is maintained. A micro-nano structure is manufactured onthe remolten surface by utilizing superfast laser, the natural environment of cell growth is simulated and the in-vivo rejection reaction of the implant is reduced. The method is flexible in processing and high in processing speed; through compounding of laser remelting and laser texturing processes, various accurate micro-structures can be obtained on the surface of the remolten layer while thesurface corrosion resistance of the magnesium alloy is improved, cell growth is controlled, the biocompatibility of the magnesium alloy implant is improved and the prospective design function of the implant is achieved.

The invention provides a BOPP film capable of resisting crease and resisting cigarette packet deformation as well as a preparation method thereof. The BOPP film is prepared by directly coextruding andlaminating a three-layer structure of an upper surface layer, a core layer and a lower surface layer; the upper surface layer comprises the following components: a copolymer polypropylene, a slippingagent master batch and an anti-sticking agent master batch; the core layer comprises the following components: a homopolymer polypropylene, a stiffening agent master batch and an electrostatic agentmaster batch; and the lower surface layer comprises the following components: a copolymer polypropylene, a slipping agent master batch and an anti-sticking agent master batch. According to the productand the process, the technical problems of crease and cigarette packet deformation in soft packet cigarette film packaging.

The invention relates to an electrostatic spinning method and a device for controlling fiber adhesion. An oil sprayer and a drying device relative to the surface of a collector are arranged on an electrostatic spinning device comprising an electrode spinneret and the collector; fibers initially formed on the collector are sprayed with oil; the oiled fibers leaving the collector are dried; and spray flow, drying speed and temperature are matched so as to effectively control the fiber adhesion in the process of electrostatic spinning and ensure that the fibers are kept in a mutually separate state or a controlled adhering state during follow-up treatment. The method can also be used for the surface function modification of electrostatic spinning fibers to prepare functional electrical spinning fiber, and is convenient and easy to operate.

The invention discloses an organic-inorganic nano hybrid waterborne high-temperature-resistant anticorrosive coating and a preparation method thereof. The coating comprises a component A and a component B in a weight ratio of (4-6): 1, wherein the component A is prepared from the following components in parts by weight: 35 to 60 parts of organic-inorganic nano hybrid high-temperature-resistant emulsion, 10 to 25 parts of deionized water, 0.5 to 1.2 parts of a coating additive and 30 to 40 parts of high-temperature-resistant powder; and the component B comprises the following components in parts by weight: 60-80 parts of a waterborne isocyanate curing agent and 20-40 parts of a cosolvent. The waterborne high-temperature-resistant anticorrosive coating prepared by the invention can continuously work for more than 800h at the high temperature of 800 DEG C, and meanwhile, the paint membrane has higher mechanical strength and corrosion resistance.

The invention relates to injectable hydrogel as well as a preparation method and application thereof. The injectable hydrogel is obtained by taking gelatin and tannic acid as raw materials and carrying out chemical crosslinking under the catalysis of transglutaminase. Gelatin molecular chains in the injectable hydrogel form a network structure under the action of amido bonds, polyphenol hydroxyl groups of the tannic acid and amino groups on the gelatin chains have hydrogen-bond interaction, the polyphenol hydroxyl groups of the tannic acid can be spontaneously complexed under an alkaline condition, and finally the injectable hydrogel is endowed with excellent adhesion performance; the material and tissues are adhered, the performance of the material is promoted, the injectability of the material is improved, the gelling time is shortened, the clinical operation is easy, and the mechanical property is improved. The hydrogel material can realize adhesion and efficient retention of defective tissues, is suitable for filling various irregular-shaped defects, can efficiently promote the performance of the material to play, and realizes repair of the defective tissues.

A method and system for making garments is disclosed that does not require sewing and is amenable to continuous manufacturing. This method and system makes possible a seamless garment finish that is more comfortable than a finish having seams and other imperfections due to the need to tuck/sew edges and joints. The disclosed seamless technology employs a thin film of adhesive that is preferably an ether-based polyurethane although other comparable adhesives are acceptable. This adhesive is prelaminated on at least one surface prior to lamination to another surface under conditions to control adhesion, stretch, breathability, and longevity of the garment. Lamination also allows for a seamless finish without fraying at the edges resulting in even displacement of pressure against the skin of the wearer for greater comfort. Disclosed seamless manufacturing techniques can be applied in an iterative fashion to manufacture inserts and support elements incorporated into laminated garments.

The invention discloses a liquid crystal display (LCD) panel and a manufacture method thereof. The LCD panel comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate is provided with a first insulating substrate; the second substrate is provided with a second insulating substrate prepared by a plastic material; an adsorption region is arranged on the periphery of the second insulating substrate, and is adhered to the first insulating substrate to ensure that the first substrate and the second substrate are combined and fixed to form an accommodating region; and the liquid crystal layer is accommodated in the accommodating region. The LCD panel and the manufacture method thereof can save the procedure of frame glue coating, and eliminate pollution, pores and other related adverse influences generated by using a frame coating.

The invention discloses an UV curing pressure-sensitive adhesive with a medium peel strength, and a preparation method thereof. The UV curing pressure-sensitive adhesive comprises, by weight, 100 parts of an acrylate prepolymer, 0.05-10 parts of a crosslinking monomer, and a second photoinitiator; the acrylate prepolymer is formed by ultraviolet light irradiation polymerization of prepolymer monomers under the action of a first photoinitiator, the prepolymer monomers comprise, by mass, 85-90% of isooctyl acrylate and 10-15% of acrylic acid or hydroxyethyl acrylate, and the addition amount of the first photoinitiator is 0.01-0.5% of the mass of the prepolymer monomers; and the addition amount of the second photoinitiator is 0.5-5% of the mass of the acrylate prepolymer. The UV curing pressure-sensitive adhesive has the advantages of moderate peel strength, moderate flexibility and good reusability.

The invention provides an aluminum electrolysis anode steel jaw graphite spraying system and a spraying method utilizing the same. The working efficiency can be improved, and the labor intensity of workers is lowered. The aluminum electrolysis anode steel jaw graphite spraying system comprises a storage box, a work box, a compressed air pipe network, a first compressed air pipeline, a second compressed air pipeline, a conveying pipe and a plurality of electromagnetic valves, wherein a plurality of steel jaw inlets are formed in the upper surface of the work box, an inductor and a plurality of spraying heads are arranged inside the work box, one end of the first compressed air pipeline is connected with the compressed air pipe network, the other end of the first compressed air pipeline is connected with the spraying heads, one end of the second compressed air pipeline is connected with a compressed air pipe network, the other end of the second compressed air pipeline is connected with the storage box, one end of the conveying pipe is connected with a material outlet, the other end of the conveying pipe is communicated with the first compressed air pipeline, and the electromagnetic valves are arranged between the spraying heads and the first compressed air pipeline.

The invention discloses anticorrosion and antifouling type coating resin and a method for preparing the same. The method includes adding vinylidene chloride, acrylate, cross-link emulsification monomers, latex protective agents, sodium hydrogen sulfite and water into a container, and uniformly stirring the vinylidene chloride, the acrylate, the cross-link emulsification monomers, the latex protective agents, the sodium hydrogen sulfite and the water to obtain mixed liquid A; mixing acrylic acid monosilane ester, cross-link emulsification monomers and water with one another to obtain mixed liquid B; adjusting the temperature of a reactor until the temperature of the reactor reaches 15-30 DEG C, adding ammonium persulfate and sodium hydrogen sulfite aqueous solution into the reactor in nitrogen atmosphere, dropwise adding the mixed liquid A into the reactor within 3-4 h, then continuing to dropwise add the mixed liquid B and initiators into the reactor for the dropwise adding time of 1-2h, and then keeping the temperature constant for 2-3 h to completely carry out reaction. The anticorrosion and antifouling type coating resin and the method have the advantages that high-stability and high-adhesion emulsion with low surface energy can be prepared from soap-free emulsion at the low temperature under the normal pressure by means of polymerization; the proportions of the vinylidenechloride, different types of acrylate, different types of acrylic acid silyl ester and the cross-link emulsification monomers are adjusted, the capacity such as the adhesion, the water resistance, theweather resistance, the salt resistance and the fouling organism avoidance of resin films can be regulated and controlled, and accordingly the comprehensive performance of anticorrosion and antifouling coating can be improved.

The invention discloses powder for treating soft tissue injuries and a preparation method thereof. The powder is characterized by being prepared from four prescriptions including a prescription I: 100to 300 parts of radix polygoni suffulti, 80 to 150 parts of rhizoma bletillae, 80 to 150 parts of rhizoma corydalis and the like; the preparation method comprises the following steps: preparing standby powder of each prescription, mixing the standby powder of each prescription, combining and packaging a dissolving agent and the standby powder according to a ratio and the like. The powder disclosed by the invention can be rapidly absorbed through local tissue permeation and has good effects of promoting blood circulation and removing blood stasis, relieving swelling and pain, cooling blood andstopping bleeding; the powder has scientific compatibility and is used for effectively preventing and treating drug-induced skin allergy, controlling adhesion of healed tissues very well and prompting rapid healing of injured soft tissues; the powder disclosed by the invention has the characteristics that the medicine cost can be reduced in the respects of a preparation technology of the powder,preparation of a medicine and clinical application of the medicine, family drug use and field drug use of a patient are convenient and the like.

The invention discloses an axial heterogeneous structure moisture-absorption quick-dry yarn. The axial heterogeneous structure moisture-absorption quick-dry yarn comprises two fiber components A and B with different performance. The two fiber components A and B, within a setting length, and in equal linear density and equal fiber component total proportion, are distributed along the fiber component in an axial direction of the yarn, and formed according to a setting rule change. The axial heterogeneous structure moisture-absorption quick-dry yarn is uniform in appearance, controllable in material amount, has good moisture management performance, and is capable of effectively controlling adhesion feel and cold moist feel caused by profuse sweating.

The invention discloses a phenyl modified material, a preparation method and an application thereof. The phenyl modified material is prepared according to the following steps: 1) adopting mercaptan containing phenyl as a solute and adopting anhydrous ethanol as a solvent to prepare a mercaptan solution with a mass concentration of 0.8-1.5%, and standing the solution for 12-24 hours at a temperature of 3-8 DEG C, wherein the molecular formula of the mercaptan containing phenyl is C6H6(CH2)nSH, and n is a positive integer; 2) growing a titanium (Ti) transition layer on a surface of a single crystal silicon wafer, and growing a gold layer on the Ti transition layer to obtain a gold-plated silicon wafer; 3) under a dark condition, adding the gold-plated silicon wafer from the step 2) to the prepared mercaptan solution from the step 1), and standing for 12-24 hours to obtain the phenyl modified material. The phenyl modified material of the present invention can inhibit adhesion, migration and proliferation of breast cancer cells.

An embedded optical character intelligent identification chip disclosed in the invention comprises a bottom layer clamping piece, electronic connecting grooves are formed in the periphery of the upper end of the bottom layer clamping piece, a top layer clamping piece is arranged on the upper side of the bottom layer clamping piece, and butt joint grooves are formed in the periphery of the lower end of the top layer clamping piece; first bonding strips are arranged on the upper side of the bottom layer clamping piece and the lower side of the top layer clamping piece, a surrounding frame is arranged between the bottom layer clamping piece and the top layer clamping piece, second bonding strips are arranged at the upper end and the lower end of the surrounding frame, the first bonding strips are connected with the second bonding strips in a bonding mode, and electronic connectors are fixedly connected to the lower ends of the periphery of the surrounding frame; and the upper end of the periphery of the surrounding frame is fixedly connected with a butt joint, and the electronic connector is movably connected to the inner side of the electronic connecting groove. According to the embedded optical character intelligent identification chip, through an embedded installation mode, the contact surface between the chip and the external environment is reduced, and the adhesion between pollutants such as dust and the identification modules on the surface of the chip and in the chip is controlled to the maximum extent.