161 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.

The utility model relates to the technical field of building materials, in particular to a multifunctional composite heat preservation waterproof backing plate which comprises a heat preservation plate, a first non-woven fabric layer and a second non-woven fabric layer. A first non-woven fabric layer and a second non-woven fabric layer are bonded to the two sides of the heat preservation plate through adhesion agents respectively, a first waterproof coating and a second waterproof coating are arranged on the sides, away from the heat preservation plate, of the first non-woven fabric layer and the second non-woven fabric layer respectively, and the first non-woven fabric layer and the second non-woven fabric layer comprise upper non-woven fabric and lower non-woven fabric. A reinforcing layer is arranged between the upper non-woven fabric and the lower non-woven fabric. The first waterproof coating and the second waterproof coating are polymer coatings or silicone coatings. The interface agent is a polymer emulsion, a modified cement-based interface agent or a silane coupling agent. The back lining plate solves the problems that an existing back lining plate is insufficient in structural strength, prone to deformation or damage and incapable of being spliced to meet requirements.

The refractory busbar of the present invention includes a busbar conductor portion, a cap portion covering both ends of the busbar conductor portion, and a main body covering portion that wraps the main body of the busbar conductor portion between both ends and is integrally connected to the cap portion, and includes a refractory silicone coating that ceramifies at high temperature to support the busbar conductor portion, and a protective layer covering the refractory silicone coating. The cap portion is provided with a through hole extending from the upper surface to the surface in contact with the busbar conductor portion. Further, the present invention provides a battery pack including the refractory busbar.

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

This utility model discloses a high-waterproof USB connector, including a first housing, a second housing, a male connector head, and a waterproof sealing sleeve. The male connector head includes a plug portion and a rear plug portion located at the rear end of the plug portion, with a transition step formed between the plug portion and the rear plug portion. The first housing has a first chamber, and the plug portion is located within the first chamber. The second housing has a second chamber, and the rear plug portion is located within the second chamber. The waterproof sealing sleeve has a U-shaped structure with a snap-fit ​​groove in its middle. The transition step is used to seal against the inner wall of the waterproof sealing sleeve when the plug portion passes through the snap-fit ​​groove. The inner wall surface of the waterproof sealing sleeve that abuts against the transition step is coated with a silicone coating. This utility model achieves flexible fit, reduces gaps, and effectively improves the waterproof sealing performance of the USB connector by sealing the transition step against the inner wall of the waterproof sealing sleeve and coating the inner wall of the waterproof sealing sleeve with a silicone coating.

This disclosure relates to hydrosilylation curable silicone rubber coating compositions comprise one or more alkenyl functional polyorganosiloxane resins, for treating textiles and fabrics, to textiles and fabrics such as inflatable safety restraint devices e.g., airbags coated with a cured product of the hydrosilylation curable silicone rubber coating compositions comprising said one or more alkenyl functional polyorganosiloxane resins and to a process for coating said textiles and fabrics such as inflatable safety restraint devices e.g., airbags with the hydrosilylation curable silicone rubber coating composition comprising one or more alkenyl functional polyorganosiloxane resins. The cured product of the hydrosilylation curable silicone rubber coating compositions herein are considered to have a lower total volatile organic compounds (TVOC) than seen with standard coating materials used to treat said textiles and fabrics which often contain MQ resins.

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 utility model relates to the technical field of TPU (thermoplastic polyurethane) films, in particular to a novel TPU film, which comprises a TPU film layer, an organic silicon heat-resistant coating I is arranged above the TPU film layer, an organic silicon heat-resistant coating II is arranged below the TPU film layer, an acrylic acid coating II is arranged below the organic silicon heat-resistant coating I, and an acrylic acid coating II is arranged below the acrylic acid coating II. A high-temperature-resistant structure is arranged on one side of the first acrylic acid coating and comprises a first high-temperature-resistant layer, and the top of the first high-temperature-resistant layer is fixedly connected with the bottom of the first acrylic acid coating. Through cooperation of the TPU film layer and the high-temperature-resistant structure, the first high-temperature-resistant layer and the second high-temperature-resistant layer are polytitanate coatings, and the polytitanate coatings can bear high temperature which is usually 200 DEG C or above and even can bear the temperature of 300-500 DEG C or higher within a short time, so that the high-temperature resistance of the TPU film is improved conveniently, and damage caused when the TPU film is used in a high-temperature environment is avoided.

The invention discloses a heat-insulating silicone coating and a preparation method thereof, belonging to the technical field of thermal insulation materials. Linear hydrogel is wrapped on the surface of sepiolite fiber / alumina aerogel and used as a bridge to provide uniformly dispersed anchoring points for subsequent cage-like hybrid nanospheres. The cage-like hybrid nanospheres are then used as a cross-linking agent on the surface. Cross-linkable double bonds exist on the surface of the cage-like hybrid nanospheres, thereby forming a ball-chain composite unit structure based on the original linear hydrogel, and polymerizing and cross-linking into a network. After calcination, the cage-like hybrid nanospheres inside are transformed into core-shell carbon nanospheres, which inhibit crack propagation. Carbon chains derived from the linear hydrogel form a macroporous structure, while a mesoporous structure is generated between the cross-linking points of the cage-like balls. The microporous structure is retained inside the core-shell balls, and a better heat-insulating effect is achieved through a multi-level stepped pore structure.

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.

The present invention relates to the technical field of silicone coatings, and discloses a room-temperature curing solvent-free silicone coating material and an application method thereof. The raw materials include a silicone prepolymer A, a polysiloxane B, a curing agent C, and a pigment and filler D. The silicone prepolymer A is prepared by subjecting a silane compound as a raw material to hydrolysis and polycondensation reactions under acid catalysis, is neutral, has a low viscosity, is solvent-free, and forms a continuous and smooth silicone coating material upon curing at room temperature after reacting with the curing agent C. The polysiloxane B is a silicone oil, a silicone resin, a modified silicone material, etc., and together with the pigment and filler D, endows the silicone coating material with better flexibility, water repellency, oil repellency, scratch resistance and other functions. The silicone coating material of the present invention is green and environmentally friendly, convenient to construct, and stable in storage, and can be used in the fields of surface protection of materials such as concrete, metal, and PCB circuit boards.

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 discloses a range hood, a grease detection method and a cleaning control method.The range hood comprises a centrifugal fan, the centrifugal fan comprises a volute and an impeller arranged in the volute, the impeller comprises blades, the surfaces of the blades are provided with organic silicon coatings, and the organic silicon coatings are provided with calcium silicate filler; the detection module comprises a transmitting module capable of transmitting pulse laser to the blade at the corresponding position and a receiving module for receiving the laser reflected by the blade; and the processing assembly is electrically connected with the detection module and can judge the oil film thickness, the grease type and the oxidation degree of the grease on the blade according to the spectral line of the laser received by the receiving module.

The application relates to the technical field of silicone coating preparation, and discloses a preparation method and application of white fluorine-free photovoltaic coating. 1 )4, R 2 Si(OR 3 )3, R 4 2Si(OR 5 )2, R 6 Si(OR 3 )3 and R 4 Si(OR 5 )3 are hydrolyzed and polycondensated in mixed acid solution to obtain a silicone resin; 100 parts of the silicone resin is mixed with 20-100 parts of an organic silicon modified hydroxyl acrylic resin coating prepared according to a specific ratio and 50-200 parts of titanium white paste prepared according to a specific ratio, and the white fluorine-free photovoltaic coating is obtained. The white fluorine-free photovoltaic coating has good adhesion and adhesion force to a photovoltaic substrate, high hardness, good scratch resistance and aging resistance, and high light reflectivity.

The invention discloses a preparation method of an electron beam irradiation molded organic silicon coating, which introduces a vinyl active group into organic silicon resin, and comprises the following steps: taking 100 parts of cyclic monomer, adding into a reaction kettle, carrying out negative pressure pretreatment for 1 hour at the kettle temperature of 80 DEG C, adding 1-4 parts of end-capping reagent and 0.4-1 part of catalyst, heating to 100-110 DEG C, carrying out heat preservation and pressure reduction for 2-4 hours, and cooling to room temperature to obtain the electron beam irradiation molded organic silicon coating. Continuously heating to 180-190 DEG C, evaporating at high temperature, and adding 2-5 parts of hydrogen-containing silicone oil to obtain a product organic silicon resin; the preparation method comprises the following steps: coating a glass plate and a polyester fabric with organic silicon resin, putting the glass plate and the polyester fabric into an irradiation box at room temperature, keeping nitrogen atmosphere in the box, and taking out the glass plate and the polyester fabric after the irradiation dose reaches 30-100kGy, so as to obtain the organic silicon coating formed by electron beam irradiation. The method has the advantages of being adjustable in energy, controllable in dosage, high in treatment speed, free of pollution, free of radioactive waste and the like. The thermal stability and the aging resistance of the coating are improved.

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.

The invention relates to the technical field of coatings, and particularly provides a novel organic silicon coating and a preparation method thereof, and the novel organic silicon coating comprises organic silicon, resin, hollow glass beads and the like. The novel organic silicon coating has a unique organic silicon resin-hollow glass bead system, the flexibility of the novel organic silicon coating is improved by modifying organic silicon through the hollow glass beads, the stability of the organic silicon resin is improved in combination with the water-based acrylic resin, and finally the temperature difference resistance of the novel organic silicon coating is improved; and the application range under different temperature conditions is greatly expanded.

The present invention relates to a composition comprising an MQ resin, a ZO-terminated poly(dimethylsiloxane), and mica, which is useful as a coating on a substrate, the coating exhibiting adhesion, uniformity, and crack resistance when exposed to elevated temperatures for hundreds or even thousands of hours.

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 a UV (ultraviolet) curing film which comprises a high-temperature protective film with the thickness of 5-15 microns; the thickness of the AR film is 20-50 [mu] m; the adhesive force of the UVOCA adhesive film to the PET base material is 3000-3500 gf / in, and the thickness of the UVOCA adhesive film is 40-90 microns; the thickness of the PET base material is 20-50 [mu] m; the stripping force of the silica gel coating on AF glass is 20-50 gf / in, and the thickness of the silica gel coating is 10-50 microns; the release force of the fluorine release film is 2-8 gf / in, and the thickness of the fluorine release film is 50-100 microns. The UV curing film is simple in structure, through good thickness control and design scheme, the UV curing film has better application performance and comfort in application of electronic products, the optical display effect is better, meanwhile, the thickness of an adhesive layer is controlled, residual adhesive is not prone to occurring when the adhesive layer is removed due to excessive adhesion, and the service life of the UV curing film is prolonged. And large-scale application and rapid maintenance in production and maintenance of the electronic equipment are facilitated.

The utility model relates to the related technical field of circuit boards, in particular to an etching liquid fine line distribution circuit board, which comprises a bottom plate and threaded holes, a mounting mechanism is arranged on the surface of one side of the bottom plate, and a fireproof mechanism is arranged on the surface of one side of the circuit board. According to the etching liquid fine line distribution circuit board, on the aspect of fireproof protection, multiple coatings which are sequentially coated provide strong fireproof guarantee for the circuit board, and the flame-retardant paint coating can prevent flame from spreading and slow down the burning speed; the fireproof silica gel coating forms a barrier and is weather-proof and sealed; the ceramic coating is resistant to high temperature and stable in insulation; the intumescent fire retardant coating expands and insulates heat at high temperature; the nanometer fireproof coating is efficient in flame retardance and simple in construction, in the aspect of installation, the bottom plate is fixed through the threaded holes, the pressing blocks are extruded to achieve fixation of the connecting frame and the fixing blocks, operation is convenient and fast, the installation efficiency is improved, the cost is reduced, fixation is firm, and it is ensured that the circuit board is stable and does not shake or move in the use and transportation process.

The utility model provides an epoxy resin heating plate with a stable structure, and belongs to the technical field of heating plates. Comprising an alloy heating wire and an aluminum plate, a lower prepreg is fixedly installed at the bottom of the alloy heating wire, an upper prepreg is fixedly installed at the top of the alloy heating wire, the lower prepreg and the upper prepreg are fixedly connected, and the bottom of the lower prepreg is coated with a silica gel coating agent. The epoxy resin heating plate is composed of the alloy heating wire, the lower prepreg and the upper prepreg, the aluminum plate is integrally vulcanized to form the heating plate assembly, loosening or falling caused by bonding and fixing is avoided, in addition, a pi film in the section structure layer is omitted, the pi film serves as a carrier, circuit exposure and development are facilitated, a heating circuit is etched out, and the service life of the heating plate is prolonged. Therefore, the epoxy resin heating plate can be formed at a time, the alloy heating wire can be formed through the laser cutting technology, and the epoxy resin heating plate can be formed at a time.

The invention belongs to the technical field of high polymer materials. The invention provides a flexible flame-retardant heat-insulating organic silicon coating foaming material. The flexible flame-retardant heat-insulating organic silicon coating foaming material comprises the following foaming components in parts by weight: 90-100 parts of an organic silicon prepolymer, 20-40 parts of nano aluminum hydroxide, 10-20 parts of a phosphorus-nitrogen flame retardant, 5-10 parts of nano clay, 5-15 parts of a cross-linking agent, 0.1-0.5 part of a catalyst, 1-3 parts of a foaming agent, 3-8 parts of silicon carbide nanowires and 1-2 parts of a silane coupling agent, and an organic silicon flame-retardant coating is sprayed on the surface of the foaming material. The tensile strength of the material prepared by using the modified polydimethylsiloxane, the hydrogen-containing silicone oil and the silane coupling agent as matrix prepolymers is greater than or equal to 1.5 MPa, and the elongation at break is greater than 150%; the heat conductivity coefficient is less than or equal to 0.05 W / (m.K); the UL-94V-0 grade is achieved, and no molten drop exists under the flame of 800 DEG C; and after being soaked in liquid nitrogen in an environment of-193 DEG C for 24 hours, the coating does not deform or crack.

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.

The invention discloses a saline-alkaline-corrosion-resistant cable and a preparation method thereof, and relates to the technical field of saline-alkaline-corrosion-resistant cables, the saline-alkaline-corrosion-resistant cable comprises six cable cores, each cable core is composed of a copper stranded wire and a crosslinked polyethylene pipe, the surface of each cable core is fixedly connected with a centering assembly, and the surface of each cable core is fixedly connected with a cable core. The surface of the centering assembly is fixedly connected with a heat shrink tube, and the outer surface of the heat shrink tube is sleeved with a sheath. According to the saline-alkaline corrosion resistant cable and the preparation method thereof, the heat shrink tube is tightly attached to the outer surface of the centering tube after being heated and shrunk, then the heat shrink tube is sleeved with the sheath, the wire core penetrates through the connecting cylinder, the connecting cylinder is fixedly connected with the end face of the sheath through a pin, the communicating tube is fixed by combining the conical half shells, and the half cylinders are fixedly connected by combining. The silica gel coating is injected into the semi-cylinder through the glue injection pipe, and the cable end is coated by the cooled and shaped silica gel coating, so that the problem that the metal wire core is corroded due to the fact that the cable end is easily immersed into liquid is solved.

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.

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).