67 results about "Silicone coating" patented technology

In a release paper consisting of a backing paper layer coated on at least one side with PVOH and a silicone coating on at least one side, in which the backing paper layer coated on at least one side with PVOH consists of bleached kraft paper, containing at least up to 30 wt. % softwood and hardwood with a total freeness between 30 °SR and 42 °SR, preferably between 33 °SR and 38 °SR, and processing aids, and also a release layer which is applied at least on one side to the PVOH-coated side of the backing paper layer and consists of 0.5 to 5 g / m2 of a silicone, and wherein the release paper coated at least on one side with PVOH and silicone has a density between 850 and 990 kg / m3, preferably between 900 and 970 kg / m3, and a method for producing a release paper.

To provide a method for easily peeling a silicone coating layer in order to enable recycling of an air bag base fabric having the silicone coating layer on the surface, and to provide a silicone coating layer peeling liquid therefor SOLUTION: A method for recycling an airbag base fabric, the method including an immersion step of immersing an airbag base fabric in a silicone coating layer peeling liquid that is an aqueous solution containing 2% by weight to 30% by weight of an alkali component, 0.05% by weight to 20% by weight of a surfactant, and 1% by weight to 30% by weight of an alcohol component, and a peeling step of peeling the silicone coating layer from the airbag base fabric after the immersion, wherein an ash content of the airbag base fabric after the peeling step is 0.01% to 0.45%.SELECTED DRAWING: None

A method of manufacturing a covered stent is disclosed. The method includes winding a first PTFE tape around a cylinder body of a jig, winding a second PTFE tape around a stent including the jig fitted therein, heating the stent in an oven, fitting the stent into upper and lower elastic members, fitting the elastic members into a mold, pressing the upper elastic member to bond the PTFE tapes to each other and to thus form a first film at a cylindrical body of the stent, taking the elastic members out of the mold, taking the stent out of the elastic members, removing the jig from the stent, forming a silicone coating layer at an expansion portion of the stent, and sewing the spaces in the expansion portion, the second PTFE tape, and the silicone coating layer to form a second film at the expansion portion.

This invention discloses a carbon capture article comprising: (i) a ceramic honeycomb assembly including an inlet end, an outlet end, and intersecting walls defining cells through which fluid can flow; (ii) a zeolite coating at least partially covering the intersecting walls of the ceramic honeycomb assembly; and (iii) a silicone resin coating at least partially disposed on the zeolite coating. The zeolite coating may be a 13-X type zeolite. The silicone resin may be a siloxane resin. This invention also discloses a method for manufacturing the carbon capture article, the method comprising a silicone coating step, the silicone coating step comprising coating a silicone resin at least partially onto the zeolite coating to form the carbon capture article, the zeolite coating at least partially covering the intersecting walls of the ceramic honeycomb assembly. Finally, this invention discloses a method for capturing carbon dioxide from the air, the method comprising a flow step, the flow step comprising passing a fluid containing carbon dioxide (CO2) molecules through the carbon capture article.

The invention relates to a sealing unit (1) comprising a sealing carrier (2), a sealing lip unit (3) having at least one sealing lip (3.1) and held by the sealing carrier (2), and a sealing washer (4) that is in contact with the at least one sealing lip (3.1). The at least one sealing lip (3.1) is coated with a synthetic resin silicone (5.1). The present invention further relates to a wheel bearing unit (RL) comprising such a sealing unit (1).

The invention provides preparation of a solvent-free organic silicon coating material and application of the solvent-free organic silicon coating material in manufacturing of simulated dinosaur, and belongs to the technical field of preparation of coating materials. The method comprises the following steps: (1) modifying nano-cellulose by adopting organosilicon quaternary ammonium salt and a silane coupling agent, endowing the nano-cellulose with efficient antibacterial performance, and remarkably improving the interfacial compatibility of the nano-cellulose and organosilicon resin; and (2) uniformly dispersing the modified nanocellulose as a functional filler in a hydroxyl-terminated polysiloxane (107 silica gel) matrix, adding a cross-linking agent and a catalyst, and curing at room temperature to obtain the solvent-free organic silicon antibacterial coating material. The obtained coating material has excellent mechanical strength and antibacterial property, and no volatile organic compounds (VOC) are discharged in the using process. The method has a wide application prospect in the fields of children toys, biomedical devices and the like with strict requirements on antibacterial safety and environmental protection.

A silicone coating film provided as a surface layer of an irradiated object exposed to ultraviolet irradiation, includes a silicone rubber as a base material and titanium oxide particles with an average particle size of less than 100 nm. A laminated structure includes a first layer including a silicone rubber as a base material, and a second layer laminated on the first layer, wherein the second layer is the silicone coating film.

The invention discloses an organic silicon coating coating method and device for a 25KN rod type porcelain insulator of a high-speed railway overhead line system in the technical field of electrified traffic of high-speed railways, and the method comprises the following steps: S1, cleaning and drying the rod type porcelain insulator to be processed, and then carrying out activating treatment on the rod type porcelain insulator; s2, coating the two ends of the rod-shaped porcelain insulator treated in the step S1 with organic silicon coatings, and drying and curing the rod-shaped porcelain insulator; s3, fixing the rod-shaped porcelain insulator by taking the end part of the rod-shaped porcelain insulator treated in the step S2 as a contact point, and coating the fixed rod-shaped porcelain insulator with an organic silicon coating; s4, curing the rod type porcelain insulator treated in the step S3; according to the method, before overall spraying is conducted on the rod-type porcelain insulator, the end areas of the two ends of the rod-type porcelain insulator are subjected to immersion liquid coating in advance, curing is completed, a complete and firm functional coating is formed, and therefore the technical problem that in a traditional spraying process, due to clamping and fixing, the ends are missed to be coated is effectively solved.

The utility model discloses an adjustable label peeling mechanism relates to label peeling technical field, including the peeling body, the middle part fixed mounting of peeling body has the pressing device, the left side fixed mounting of peeling body has the separation subassembly, and the lower end fixed mounting of peeling body inside has the guiding device. The utility model discloses an adjustable label peeling mechanism, utilize the left side of fixed base plate to be the inclined plane, make the base paper to be in the state of bending, when the material quality of label paper is hard, when label paper moves to the top of folding roller, automatic and base paper separate, realize the peeling of label paper, and it is convenient to the peeling of label paper, through setting scraper, separate label paper and base paper, make label paper in the outer surface of base paper and rise, make the device can adapt to base paper and label paper of different material quality, improve the adaptability of device, through setting silicone coating board, the glue layer stays on the label when peeling, do not remain base, and the device can adapt to base paper and label paper of different width.

A double-sided packaged LED vehicle lamp light source for vehicle lamps, the double-sided packaged LED vehicle lamp light source comprising a thermally conductive insulating substrate (1). Copper foil trace covering layers (102) are symmetrically laid on two sides of the thermally conductive insulating substrate (1), and an LED chip (2) is mounted on one side of each copper foil trace covering layer (102). The outer side of each LED chip (2) is covered with a fluorescent ceramic film (3) and a silicone coating (4) in sequence from inside to outside. By means of using the thermally conductive insulating substrate (1) made of a ceramic material, there is no need to add an insulating layer, and the advantages of lower thermal resistance and a better thermal conduction effect are achieved; and by means of directly packaging the LED chips (2) on the thermally conductive insulating substrate (1) having a thickness of 0.4-0.5 mm, LED light-emitting points on two sides are closer; therefore, a light-emitting center of a filament is better simulated, the luminous efficiency is better than that of a surface-mount device approach, surface-mount device processes are reduced, and the precision is higher.

The invention relates to a coated heating element (1) for a domestic article, comprising a metal base (2) coated on at least one face (2a) by a coating (3) which does not contain fluorocarbon resins and which comprises at least the following layers in the following order from the metal base (2): (3a) a base coat comprising polyethersulfone (PES); (3b) one or more intermediate layers (3b) comprising polyethersulfone (PES) or a mixture of polyethersulfone (PES) and one or more silicones; (3c) a top coat consisting of an elastomeric silicone derived from at least one organopolysiloxane bearing vinyl reactive functions (-CH=CH2) and at least one other organopolysiloxane bearing hydrosilyl reactive functions (Si-H) or mercaptan reactive functions (S-H), and optionally: one or more thermoplastic polymers, and / or one or more additives, and / or one or more colorants; layer (3a) being different from at least one of layers (3b).

The invention relates to the technical field of bridge plugs, in particular to a soluble bridge plug for oil and gas field fracturing and a preparation method thereof. The soluble bridge plug comprises a bridge plug body and a rubber sleeve arranged on the bridge plug body in a sleeving mode. Wherein an organic silicon coating is arranged on the outer surface of the rubber sleeve. The soluble bridge plug provided by the invention contains the organic silicon coating, on one hand, the organic silicon coating can effectively delay the dissolution speed of the rubber sleeve and can realize effective pressure bearing of the soluble bridge plug during fracturing operation, and on the other hand, the organic silicon coating can fall off from the rubber sleeve after fracturing operation, and dissolution of the rubber sleeve cannot be hindered.

The invention relates to the technical field of high polymer material auxiliaries, and particularly discloses a preparation method of a silicone-coated PTFE anti-dripping agent, which comprises the following steps: 1, preparing an anchoring separant, mixing silicone rubber, inorganic powder and a coupling agent, and carrying out dynamic grafting reaction under the action of an initiator to construct an intermediate with a chemical bonding structure; 2, preparation of an anti-dripping agent: S1, mixing suspension polymerization PTFE with an anchoring separant in a high-speed mixer, and disassembling PTFE aggregate; s2, at a specific rotating speed, spraying a liquid silicone coating agent into the machine through an atomizing nozzle for wet mixing, so that a liquid phase forms a uniform adsorption layer on the surface of the anchoring separant; s3, after cooling, emulsion polymerization PTFE is added for low-speed mixing, and early fibrosis is prevented; and S4, standing and aging to enable the interface to reach adsorption equilibrium. According to the anti-dripping agent, the problem of crystal points caused by easy agglomeration of PTFE in a matrix is solved, so that the prepared anti-dripping agent improves the surface quality and mechanical toughness of a highlight injection molded part while ensuring the flame retardant property.

The present disclosure relates to a hydrosilylation-curable silicone coating composition comprising a filler blend (b) of hydromagnesite and huntite, a method for coating textile materials and / or airbags with the hydrosilylation-curable silicone coating composition, and textile materials and airbags coated with the cured product of the hydrosilylation-curable silicone coating composition.

The invention relates to the technical field of organic silicon coating application, and discloses a method for improving the film-forming property of an organic silicon coating based on a vegetable oil solvent, and the method comprises the following steps: S1, carrying out surface treatment on a base material, the surface treatment comprises at least one operation of cleaning, polishing and primer application, so as to improve the adhesive force of the base material and the coating; and S2, applying an organic silicon coating based on a vegetable oil solvent to the surface of the treated base material, and curing the coating to form a paint film by controlling construction environment conditions. Compared with the prior art, the method has the advantages that the defects possibly occurring during construction and film forming of the vegetable oil-based organic silicon coating in the prior art are overcome, and a systematic method is provided. According to the method, through cooperative adjustment of base material pretreatment, construction environment control and a curing process, it is guaranteed that a paint film which is uniform, compact and high in adhesive force is formed by the paint.

A method of fabricating a space vehicle including a solar cell array panel, the method comprising: providing a plurality of multijunction solar cells; dispensing an uncured silicone coaling on each of the solar cells using an automated process with visual recognition; picking a cover glass from a cartridge stack and mounting the cover glass over the discrete respective solar cell to form a discrete Cell-Interconnect-Cover Glass (CIC) assembly; curing the silicone coating on each of the solar cells to mount it to the panel; and mounting the panel on the space vehicle.

Separator (4) for a cooking dish (2) comprising: - a glass plate (16), and - a silicone coating (18) for said glass plate. Figure from the abstract: Figure 1

The present invention addresses the problem of providing: a silicone coating film having high transparency in the visible light region while ensuring resistance to ultraviolet rays; a laminated structure having the silicone coating film; and a method for producing the laminated structure. As a solution, a second layer (11), which is a coating film provided as a surface layer of an irradiated body that is irradiated with ultraviolet light, is made of silicone rubber as a base material (111), and contains titanium oxide particles (113) having an average particle diameter of less than 100 nm. In the laminated structure (1), a second layer (11) having a silicone rubber as a base material (111) is laminated on a first layer (10) having a silicone rubber as a base material (101), and the second layer (11) contains fine titanium oxide particles (113) having an average particle diameter of less than 100 nm.

The present invention is a silicone resin-dissolving agent including a siliconate compound (A) represented by the formula (1) and / or the formula (2) and an aprotic organic solvent (B) having a relative permittivity of 10.0 or less. In the formulae, R independently represents a group selected from an alkyl group having 1 to 10 carbon atoms and an aryl group having 6 to 10 carbon atoms, which may be substituted with a halogen atom; M represents a cationic species selected from an alkali metal ion, a tetraalkylammonium ion, a benzyltrialkylammonium ion, and a tetraalkylphosphonium ion; and "n" represents an integer of 0 to 200. By the present invention, it is possible to provide a silicone resin-dissolving agent for recovering a base material from an integrated molded product of a silicone resin such as a silicone rubber and a resin base material or a metal base material by dissolving the silicone resin.

The application relates to the technical field of silicone coating preparation, and discloses a preparation method and application of transparent silicone coating. The preparation method comprises the following steps: mixing tetraethyl orthosilicate, methyl triethoxysilane, phenyl trimethoxysilane, dimethyl diethoxysilane, chloropropyl triethoxysilane and KH560 according to a specific proportion to obtain a silicone solution; dropping mixed acid liquid into the silicone solution while stirring, hydrolyzing and polycondensing to obtain a silicone resin; mixing silicone modified hydroxyl acrylic resin, polyester resin, isocyanate curing agent, dispersant, specific transparent filler, light-resistant and oxidation-resistant auxiliary agent, defoaming agent and water-based solvent according to a specific proportion, grinding and filtering to obtain silicone modified hydroxyl acrylic resin coating; and mixing 100 parts of the silicone resin and 20-100 parts of the silicone modified hydroxyl acrylic resin coating to obtain transparent silicone coating. The coating has good adhesion and adhesion to photovoltaic substrates, high hardness and good wear resistance.

The utility model relates to the technical field of computer room bunching devices, in particular to a computer room bunching device which comprises an elastic base body and a silica gel coating layer, the elastic base body is of a planar spiral structure, the surface of the elastic base body is coated with the silica gel coating layer, a shaft column is fixedly arranged in the center of the elastic base body, and the longitudinal width of the shaft column is the same as the overall width of the elastic base body. The tail end of the elastic base body is provided with a hook-and-loop fastener hook face, the outer surface of the elastic base body is provided with a hook-and-loop fastener loop face matched with the hook-and-loop fastener hook face at the position corresponding to the hook-and-loop fastener hook face, and the design solves the problems that when an existing wire binding device such as a nylon cable tie is actually used, the cable skin is abraded due to long-term binding, heat dissipation of the cable is affected by dense binding, and the service life of the cable is prolonged. And if the plastic buckle has a fixed size, the plastic buckle cannot adapt to cables with different diameters. According to the utility model, the spiral structure design is adopted, the whole elastic adjustable function is realized, the bunching requirements of cables with different diameters can be met, the heat dissipation performance is good, and the heat accumulation in the wire harness is effectively prevented.

This disclosure relates to a hydrogen-silanization-curable silicone rubber coating composition comprising one or more alkenyl-functionalized polysiloxane resins for treating textiles and fabrics; to textiles and fabrics, such as inflatable safety restraint devices, such as airbags, coated with a cured product of a hydrogen-silanization-curable silicone rubber coating composition comprising one or more alkenyl-functionalized polysiloxane resins; and to a method of coating said textiles and fabrics (such as inflatable safety restraint devices, such as airbags) with a hydrogen-silanization-curable silicone rubber coating composition comprising one or more alkenyl-functionalized polysiloxane resins. The cured product of the hydrogen-silanization-curable silicone rubber coating composition described herein is considered to have a lower total volatile organic compound (TVOC) compared to standard coatings used to treat said textiles and fabrics typically containing MQ resins.

The application discloses a kind of bio-based energy-saving block based on straw fermentation and its preparation method and application, belong to agricultural waste resource utilization and agricultural energy-saving technical field.The energy-saving block is pressed by straw treated by high-temperature aerobic-facultative anaerobic fermentation and quicklime, and the quicklime addition amount is 0.75 wt% of the dry weight of fermented straw, the moisture content of finished product is 30% to 50%, pH is greater than or equal to 8.5, the specific surface area is greater than or equal to 11.0 m² / g, and the surface is sprayed with black water-based breathable silicone coating.The application realizes self-gluing of fiber by using natural adhesive material generated by fermentation, without synthetic adhesive;The problem of mildew is solved by double protection of quicklime and coating;The constructed multi-pore structure gives it excellent heat storage performance, and the minimum temperature of greenhouse at night is improved.The application has low cost, is environment-friendly and pollution-free, realizes high-value utilization of straw and double goals of greenhouse energy saving.

This invention relates to the field of organosilicon materials, and discloses a water-based organosilicon coating material for leather and its preparation method. The water-based organosilicon coating material is divided into component A and component B. By mass, component A includes 100 parts of hydroxyl-terminated polydimethylsiloxane, 10-60 parts of polyacrylate emulsion, 5-20 parts of hydrogen-containing silicone oil, 2-15 parts of matting agent, 2-15 parts of emulsifier, 0.2-5 parts of leveling agent, and 80-120 parts of deionized water. Component B includes 100 parts of hydroxyl-terminated polydimethylsiloxane, 10-60 parts of polyacrylate emulsion, 2-15 parts of matting agent, 2-15 parts of emulsifier, 0.2-5 parts of leveling agent, 5-20 parts of catalyst, and 80-120 parts of deionized water. The water-based organosilicon coating material for leather prepared by this invention has the characteristics of low VOC, safety and environmental protection, excellent hand feel, good stain resistance, and good adhesion.

According to the metalized film capacitor provided by the utility model, the heat dissipation holes are arranged at the four corners of the shell and are used for heat dissipation in the shell, the dustproof nets are arranged at the inner sides of the heat dissipation holes and are used for preventing dust and impurities from entering the shell to cause pollution, and the heat dissipation cavities are distributed in the front, rear, left, right, upper and lower directions in the shell, so that the heat dissipation efficiency is improved. The ceramic radiating fins are arranged in the shell, the radiating cavities are communicated with one another, and air convection can be formed among the radiating cavities under the action of the four radiating holes, so that the metalized film far away from the ceramic radiating fins can be further radiated, and the heat of the ceramic radiating fins can be brought out of the shell; the outer wall of the ceramic cooling fin is coated with the heat-conducting silica gel coating, and the heat-conducting silica gel coating is made of silica gel materials, not only can conduct heat, but also has certain elasticity, can buffer the ceramic cooling fin when the ceramic cooling fin is subjected to external force, can reduce the brittleness of the ceramic cooling fin, and cannot be directly exposed to scratch a metallized film when the ceramic cooling fin is broken.

The invention relates to a coated heating element (1) for a domestic article, comprising a metal substrate (2) coated on at least one face (2a) by a coating (3) which does not contain fluorocarbon resins and which comprises at least the following layers in the following order from the metal substrate (2): (3a) a primer layer comprising one or more polyaryletherketone (PAEK); (3b) optionally, one or more intermediate layer(s) (3b) comprising one or more polyaryletherketone (PAEK); (3c) a topcoat consisting of: - an elastomeric silicone derived from at least one organopolysiloxane bearing vinyl reactive functions (-CH=CH2) and at least one other organopolysiloxane bearing hydrosilyl reactive functions (Si-H) or mercaptan reactive functions (S-H); and optionally: - one or more thermoplastic polymers, and / or - one or more additives, and / or - one or more colorants.

The present invention relates to a cast iron grill that has a folding handle system made of stainless steel with a non-slip silicone coating, where the grill is designed for cooking flat foods such as arepas, tortillas, artisan breads and vegetables and others without limitations, the grill being fully compatible with multiple heat sources including gas stoves, electric stoves, induction stoves and direct heat sources.Thus, the grill of the present invention is mainly composed of a main body of substantially circular or oval shape that defines a flat and uniform cooking surface, and an integrated folding handle system that simultaneously solves the problems of safe thermal handling and efficient space storage inherent in conventional cast iron utensils, where said folding handle is joined to the main body at some part of its contour, while it can be folded to improve the storage of the grill or can even be detachable for cleaning or to further improve said storage.

This utility model discloses a silicone coating device for aluminum foil tape, belonging to the field of silicone coating technology for aluminum foil tape. It includes a frame with a guide roller rotatably mounted inside; a coating roller, also located inside the frame, used for coating the surface of the aluminum foil tape; a leveling assembly and a collection tray. The leveling assembly includes a support plate, with a telescopic cylinder fixedly connected to its upper surface. A barrier box is fixedly connected to the lifting end of the telescopic cylinder, and an oil storage plate is fixedly connected to the outer wall of the barrier box. A guide scraper is fixedly connected to the other end of the oil storage plate, and a cleaning plate is slidably mounted inside the oil storage plate. The leveling assembly not only levels the silicone oil on the surface of the aluminum foil tape but also guides and collects the accumulated silicone oil during the leveling process, reducing waste and facilitating its storage and reuse.

The invention belongs to the technical field of protective coatings of building materials, and provides a nano-modified multi-component hydrophobic polysiloxane coating as well as a preparation method and application thereof. By adopting the preparation method provided by the invention, the cross-linked state and molecular weight distribution state of the hydrophobic polysiloxane component and the cross-linked polysiloxane component can be effectively improved from the nanoscale and the microscale; and the high hydrophobicity of the coating interface of the composite polymer is maintained, and meanwhile, the permeation and adsorption capacity of the polysiloxane emulsion in cement micropores is fully improved. According to the preparation method of the nano-modified composite polysiloxane emulsion, the synergistic compounding effect of multi-component polysiloxane is improved, the rheological property and working performance of the polysiloxane emulsion coating are improved, and a stable hydrophobic protective film and a waterproof impervious layer are formed on the surface of a cementing material; the waterproof performance, the chlorine salt and sulfate corrosion resistance, the carbonization resistance, the freeze thawing resistance and the surface abrasion resistance of the cement-based material are enhanced.