374 results about "Hydraclear" patented technology

The invention belongs to the technical field of contact lenses, and provides a moisturizing contact lens containing a hyaluronic acid coating and a preparation method of the moisturizing contact lens. The preparation method comprises the following steps: carrying out ultrasonic mixing on a hydrophilic monomer, a siloxane monomer, a cross-linking agent and an initiator, injecting the mixed solution into a contact lens mold, and carrying out polymerization reaction to obtain a contact lens material; mixing the chitosan solution, the shellac acid solution, the hyaluronic acid solution and the vitamin E succinate solution to obtain a hyaluronic acid mixed solution; and soaking the contact lens material in the hyaluronic acid mixed solution, adding a cross-linking agent, curing, and drying to obtain the moisturizing contact lens containing the hyaluronic acid coating. The contact lens disclosed by the invention has excellent moisture retention, good light transmission performance, swelling performance and excellent mechanical property, the wearing comfort is remarkably improved, and the contact lens is suitable for being worn for a long time; the preparation method disclosed by the invention is environment-friendly and easy to industrialize.

The invention relates to the technical field of medicine quality detection, in particular to a capsule medicine multi-mode defect detection system and a multi-dimensional detection method, and the detection system comprises a detection container filled with an intelligent response type medicinal silicone oil composition, a transmission system, a detection mechanism, a control system and a rejection mechanism. Through density adjustment, temperature-sensitive-fluorescence response and multi-mode detection technologies, accurate detection of defects such as capsule liquid leakage, cracks and poor sealing can be realized. The detection method adjusts the silicone oil density according to the capsule type, and collects, fuses and analyzes buoyancy signals and optical image data to judge defects. According to the invention, the detection precision is high, and 0.02 [mu] L-level leakage and 0.1 mm-level cracks can be detected; the compatibility is strong, and the method is suitable for 95% of commercially available capsules; the cost is low, the equipment and maintenance cost is greatly reduced, and silicone oil can be recycled; the medicine production specifications are met.

The invention relates to the technical field of cosmetics, in particular to a concealer composition and application thereof. The concealer composition comprises the following components: titanium dioxide, silica hyaluronate and a hyaluronic acid elastomer, and the weight ratio of the titanium dioxide to the silica hyaluronate to the hyaluronic acid elastomer in the concealer composition is (0.11-2): (0.11-0.8): (0.01-0.1). The light-sensitive concealing composition has an excellent concealing effect, visually conceals flaws and restrains powder to prevent migration by regulating and controlling optical means and increasing diffuse reflection and red light signals, and meanwhile, gives clear makeup feeling.

The present invention relates to a weather-resistant and scratch-resistant super-hydrophobic organosilicon waterproofing agent and a preparation method thereof, and belongs to the technical field of organosilicon waterproofing materials. The organosilicon waterproofing agent comprises the following components by weight: 1 to 10 parts of hydroxy silicone oil, 1 to 10 parts of vinyl silicone oil, 1 to 5 parts of amino silicone oil, 1 to 3 parts of a first silane coupling agent, 1 to 5 parts of a second silane coupling agent, 1 to 3 parts of nano-silica, 80 to 100 parts of a solvent, and 0.001 to 1 part of a catalyst. The organosilicon waterproofing agent of the present invention can be widely used on the surfaces of various building materials and can quickly make the surface of the substrate achieve a super-hydrophobic effect. It can also achieve a long-term weather-resistant effect and possess excellent weather-resistant and scratch-resistant properties. In addition, the preparation process of the waterproofing agent of the present invention uses simple and inexpensive industrial raw materials, the production process is economical and efficient, the production process is simple to operate, the production energy consumption is low, and it is easy to scale industrial production.

The invention discloses a hydrogel-based low-temperature high-steam self-heating eyeshade and a preparation method thereof, and belongs to the technical field of personal care supplies, and the self-heating eyeshade sequentially comprises a breathable outer layer, a self-heating body and a composite dressing from outside to inside. The composite dressing is formed by tightly attaching a hydrogel functional layer and a supporting layer. According to the self-heating eyeshade, through the collaborative design of all the functional layers, the composite dressing is arranged between the self-heating body and the skin, so that heat preferentially drives hydrogel moisture to evaporate; meanwhile, the hydrogel three-dimensional network structure provides a huge specific surface area, the low-temperature evaporation efficiency is effectively improved, and steam explosion is avoided and stable and continuous output is achieved by regulating release kinetics through bound moisture. The working temperature of the self-heating eyeshade is stably maintained within the range of 37-45 DEG C, the steam quantity can be 2-2.4 times that of a traditional product under the low-temperature condition, and the self-heating eyeshade has remarkable advantages in key performance such as safety, comfort, steam durability and steam quantity.

The invention discloses a test device and method for in-situ monitoring of hydrates by using thermal-electric coupling, and belongs to the technical field of experiments for simulating generation and decomposition of hydrates in laboratories. The device comprises a hydrate synthesis and decomposition system, a temperature control system, a pressure control system, a thermal-electric parameter measurement system, a gas collection system and a data acquisition and user monitoring system, wherein a multi-point temperature sensor, a resistivity measurement probe and a heat conductivity coefficient measurement probe are arranged in a reaction kettle cavity; in-situ and real-time monitoring of multiple physical property parameters such as temperature distribution, resistivity change and heat conductivity coefficient in the whole process of generation and decomposition of the hydrate sample can be realized. According to the invention, thermal-electric coupling monitoring can be realized under high-pressure and low-temperature conditions, and a high-precision means is provided for hydrate formation mechanism research and exploitation processes.

The invention discloses a photocuring hydrogel anticoagulant coating and a preparation method thereof, and belongs to the technical field of biomedicine. The preparation method comprises the following steps: firstly, preparing methacrylated polyvinyl alcohol, methacrylated heparin, a photoinitiator and water into a uniform coating dipping solution, dipping a substrate with a clean surface into the coating dipping solution for 5-100 minutes, taking out the substrate, airing, repeatedly dipping for 2-10 times, and curing the obtained substrate under ultraviolet excitation light to obtain the coating. The preparation process of the photocuring hydrogel anticoagulant coating is simple and easy to operate, the reaction condition is mild, and the prepared photocuring hydrogel anticoagulant coating has very good biocompatibility, can be firmly combined with a substrate material, has very excellent anticoagulant performance and has very good application prospects.

The invention relates to the technical field of petroleum drilling engineering, and particularly discloses a drilling plugging agent as well as a preparation method and application thereof. According to the plugging agent, nano silicon dioxide and graphene oxide serve as a composite matrix, and the well drilling plugging agent with excellent dispersion stability, compact plugging performance, temperature resistance, salt resistance and reservoir friendliness is obtained through silane coupling agent graft modification and polymer copolymerization composite modification. The technical defects that an existing nano plugging agent is prone to agglomeration, poor in compatibility with drilling fluid, insufficient in extreme working condition resistance and the like are overcome, the preparation process is simple and controllable, the cost is relatively low, the plugging agent can be added into water-based or oil-based drilling fluid according to the mass ratio of 0.5-5%, the plugging agent is suitable for shale, deep high-temperature high-pressure high-salt complex stratums and the like, a compact plugging layer can be formed, and the plugging effect is good. Shale micro-cracks and deep stratum large cracks are effectively blocked, and the problems that a traditional blocking agent is prone to agglomeration, poor in extreme working condition resistance and the like are solved.

The invention belongs to the technical field of contact lens care, and provides temperature-sensitive contact lens eye-moistening gel and a preparation method thereof. The temperature-sensitive contact lens eye-moistening gel is prepared from the following raw materials in parts by mass: a gel matrix, a surfactant, an osmotic pressure regulator, an active component, a chelating agent, a buffering agent and the balance of injection water, the composition of the gel matrix is defined. Chitosan, sodium hyaluronate and polyvinyl alcohol are compounded to serve as a gel matrix, a polyelectrolyte compound is formed, gelation time is shortened, gel strength and swelling resistance are improved, biocompatibility is improved, and drug-loaded delivery of active ingredients is achieved; the gel matrix and the surfactant are reasonably selected, the viscosity of the solution is increased, the gelation time is shortened, the excellent effect of relieving eye fatigue and dryness is achieved, the wearing comfort of the contact lens is remarkably improved, and the oxygen permeation effect of the contact lens is not obviously reduced after gel forming.

The invention relates to the technical field of cables, in particular to a strong-acid-resistant and high-temperature-resistant silicone rubber cable and a processing technology thereof.The strong-acid-resistant and high-temperature-resistant silicone rubber cable sequentially comprises a multi-core insulating wire core, a filling layer, a cabling cable core wrapping tape, a shielding layer, an optical fiber unit, a buffer layer, a fluorocarbon protective layer and a corrosion-resistant and high-temperature-resistant sheath layer from inside to outside. Through the multi-layer protection design of the conductor anticorrosion priming coat, the insulating layer fluorosilicone resin protection layer, the filling layer-wrapping tape-buffer layer ceramic silicone rubber synergistic protection, the hydrophobic anti-permeation interlayer and the sheath layer acid-resistant filler, a compact acid-resistant protection system is formed, the cable is soaked in sulfuric acid / hydrochloric acid with the concentration of 50% and the temperature of 250 DEG C for 720 h, and the cable has the good anti-corrosion performance. The sheath layer and the wrapping tape do not crack, swell or fall off, the insulation performance is not obviously reduced, the problem that an existing cable is prone to aging and damage under strong acid is solved, double corrosion prevention of the conductor is achieved, and strong acid corrosion is thoroughly avoided.

The invention relates to the technical field of surface treatment of glass, in particular to super-wear-resistant hydrophobic AG glass and a preparation method thereof.The preparation method includes the steps that a silicone-acrylic emulsion layer is prepared on a cleaned glass substrate, after drying, the silicone-acrylic emulsion layer cracks, a net-shaped silicone-acrylic cracking template is obtained, the net-shaped silicone-acrylic cracking template is plated with an Al2O3 film, an obtained sample is put into acetone to be subjected to ultrasonic cleaning, and the super-wear-resistant hydrophobic AG glass is obtained. And removing the silicone acrylic cracking template to obtain an Al2O3 grid protruding on the surface of the glass substrate, annealing the glass sample, soaking the glass sample in a hydrophobic coating, taking out the glass sample, and baking the glass sample to obtain the super wear-resistant hydrophobic AG glass. The preparation method is simple and efficient, the hydrophobic material is locked by plating the glass substrate with the Al2O3 grids, the wear resistance of the hydrophobic layer of the glass is improved, the obtained super-wear-resistant hydrophobic AG glass has the anti-glare effect and high light transmittance and has the antifouling and self-cleaning functions, and the Al2O3 grids are filled with the hydrophobic layer, so that the super-wear-resistant hydrophobic AG glass is not prone to being abraded and has the excellent wear-resistant effect.

The invention relates to the technical field of silicone rubber sealing materials, and discloses a fast-curing matte silicone sealant and a preparation method thereof.The silicone sealant is prepared from, by mass, 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 5-15 parts of a reactive plasticizer, 70-120 parts of calcium carbonate, 5-10 parts of a cross-linking agent, 1-5 parts of a coupling agent, 0.5 part of a catalyst and 0.5-1 part of a vulcanization accelerator; 0.2 to 1.5 parts of a reaction type matte agent solution; the reaction type matte agent solution is a mixture of hydroxylated eleostearic acid triglyceride and a cross-linking agent. The silicone sealant prepared by the invention has the advantages of smooth surface, excellent matte effect, weather aging resistance, thixotropy, rapid curing and the like, can be used as a sealing material for high-end buildings, and has a wide application prospect.

The invention relates to the technical field of material testing, and discloses an air permeability detection device for a silica gel protective film, the air permeability detection device comprises a supporting table, the exterior of the upper side of the supporting table is fixedly connected with a control center, the interior of the supporting table is fixedly connected with an air pump, and the output end of the air pump is connected with a connecting pipe; an electric push rod is fixedly connected to the inner top wall of the supporting table, a first connecting block is connected to the output end of the electric push rod, a second connecting block is fixedly connected to the bottom end of the first connecting block, an extrusion head is fixedly connected to the bottom end of the second connecting block, and a supporting frame is fixedly connected to the inner bottom wall of the supporting table. A clamping assembly is slidably connected to the interior of the supporting frame. The device can adapt to silica gel protective films with different thicknesses through the fixing assembly, stable fixing pressure can be provided for samples with or without frames through the fixing assembly, the problem that fixing is not firm due to the thickness difference of traditional equipment is solved, and the detection accuracy is remarkably improved.

The invention relates to the technical field of gluing pumps, and discloses a liquid silica gel injection machine and a using method, the injection machine comprises a base, a lifting rod, a hydraulic rod, a pressure plate, a connecting pipe, a three-way valve, a stirring part, a cleaning and scraping part and a squeezing and spraying part. A stirring part downwards pushes a trigger switch through a T-shaped ring, an electric rod is automatically started to push a motor and a glue stirring piece to extend into a glue barrel, a stirring plate and a glue disc rotate to stir liquid silica gel, and layering and local curing are prevented; the cleaning and scraping part is quickly inserted into a supporting rod through an inserting rod, a T-shaped ring is rotated to drive a rotating sleeve to rotate with a flange as the circle center, and a cotton brush and a scraping plate rotationally clean a pressing disc and the flange; and the extrusion spraying part extrudes the corrugated bag to enable the sol agent to be sprayed to a cleaning surface through the guide channel and the liquid channel, and cooperates with mechanical scraping for cooperative cleaning. The cleaning efficiency is improved, the residual silica gel rate is reduced, the equipment maintenance time is shortened, and the injection quality and the production efficiency are remarkably improved.

This invention arrests the hydrophilic silicone macrochains into semi-interpenetrating polymer network via in situ photo-gelation assisted 3D microextrusion printing technique. The printed hybrid hydrogel has shown microporous morphology with tunable diffusion behaviour. The flow behaviour of the hydrogel has been tested showing high elastic modulus, low tan δ, high gel strength, and delayed network rupturing behaviour. The uniaxial compression test showed the almost zero permanent set which could promote it as an elastomer mimetic soft biomaterial. Moreover, the drug loading into the hydrogel has been performed which showed hydrophilic silicone dependent non-Fickian anomalous transport. The encapsulated drug stability inside hydrogel matrices also showed no deterioration of the pristine drug molecules even after one month storage. This could be the first hydrodrophilic silicone based soft biomaterial will serve as an excellent controlled drug delivery device.

The utility model is suitable for the technical field of quick-opening cups, and provides a side-pressing expansion silica gel quick-opening cup cover which comprises a first cover body, and a second cover body is movably connected with the first cover body. The buttons are movably installed on the two sides of the first cover body and matched with the second cover body in a buckled mode, and after the buttons and the second cover body are released, the first cover body and the second cover body move relatively; when the expansion sealing assembly, the button and the second cover body are buckled, the first cover body abuts against the supporting rods, the flexible sleeve driving piece is driven to move, the flexible sleeve is forced to be compressed and expanded relative to the second cover body and abut against the cup body for sealing, when the first cover body and the second cover body move relatively, abutting against the expansion sealing assembly is relieved, and the flexible sleeve recovers deformation under the elastic force effect and does not abut against the cup body. The utility model further provides a cup. The cover opening action is smooth, the lock catch is arranged, safety and reliability are achieved, and cleaning and sanitation dead angles are eliminated.

The invention relates to the technical field of release agents, and discloses a silicone-oil-free wet-process magnet profiling release agent and a preparation process thereof, and the silicone-oil-free wet-process magnet profiling release agent comprises a core functional copolymer, a water-based non-silicon defoaming agent and deionized water. The core functional copolymer is prepared from a hydrophilic self-repairing film-forming monomer, a molecular-level flexible lubricating monomer, a powerful mold anchoring monomer and a programmed pyrolysis triggering monomer through free radical copolymerization. According to the technical scheme, the functions of self-repairing film forming, molecular-level lubrication, mold anchoring and programmed pyrolysis are integrated through a single macromolecular structure. A demolding film layer formed by the water-based demolding agent is uniform and compact, mold sticking and blank defects in the profiling process are avoided, the water-based demolding agent can be completely decomposed and volatilized in the magnet sintering process, and solid residues are not generated, so that the high magnetic performance of a sintered magnet is guaranteed, and the problems that an existing water-based demolding agent is prone to generating film layer defects, poor in system stability, residues after sintering and the like are solved.

The invention belongs to the technical field of high polymer materials, and particularly relates to organic silicon modified polyurethane polystyrene foam as well as a preparation method and application thereof. The polystyrene foam comprises a component A and a component B, the component A is prepared from 40 to 60 parts of polyethylene oxide polyol, 25 to 35 parts of cashew nut shell oil polyol, 15 to 25 parts of castor oil modified polyol, 5 to 10 parts of modified resin A, 18 to 22 parts of flame retardant filler, 0.5 to 1.5 parts of foam stabilizer, 0.1 to 0.2 part of catalyst and 0.4 to 0.9 part of pure water; the modified resin A is organic silicon modified resin which contains active amido and has alkoxy at the tail end; and the component B comprises the following components in parts by weight: 75-85 parts of polymerized MDI and 15-25 parts of prepolymer A. According to the invention, an organic silicon chain segment is connected into a polyurethane network in a chemical bond manner, so that high tensile strength and high bonding strength are maintained while the elongation at break is improved, and the technical problem that the performance of the polyurethane polystyrene foam is difficult to consider at the same time is solved.

The invention belongs to the technical field of helmet production, and discloses helmet shell strength testing equipment based on high-precision pressure sensing, which comprises a base, a sliding rail is fixedly connected to the outer wall of the top end of the base, a sliding block is slidably connected to the outer wall of the sliding rail, and the helmet shell strength testing equipment further comprises a fixing mechanism arranged on the outer wall of the sliding block through a rotating mechanism; the touch block is mounted on the outer wall of the top end of the base through a replacement mechanism; wherein the fixing mechanism comprises a fixing block, the inner wall of the fixing block is rotationally connected with a rotating disc, an inclined groove is formed in the outer wall of the rotating disc, the inner wall of the inclined groove is in contact with a moving rod, and high-precision pressure sensors are embedded in a touch block and the mold; through cooperation of structures such as the fixed block and the rotating disc, the rotating rod is rotated after limitation of the rotating rod is removed, and the movable rod and the clamping block can be driven to move towards the middle at the same time through cooperation of the inclined groove and the guide groove, so that the helmet below the mold can be conveniently and rapidly clamped and fixed, and operation is simple.

The utility model relates to the technical field of sauce bottles, and discloses a sauce bottle with a silica gel bottle body, which comprises a bottle body, a middle ring piece, a bottle cap, a bottle neck and a ring fixing piece, the ring fixing piece is sleeved on the upper portion of the bottle body, external threads are arranged on the ring fixing piece, internal threads are arranged on the middle ring piece, the middle ring piece is connected with the ring fixing piece through the threads, and the bottle cap is connected with the bottle neck through the internal threads. The bottle neck is installed on the middle ring piece, the bottle cap is connected to the middle ring piece in a clamped mode, and the bottle neck is covered with the bottle cap. The sauce bottle technology is reasonably designed, and the bottle body, the middle ring piece, the bottle cap, the bottle mouth and the ring fixing piece are adopted, so that the sauce bottle is simple to operate, convenient to use, diversified in purpose, capable of reducing introduction of impurities and microorganisms and the like.

The utility model discloses a kind of heat-conducting silica gel extruding devices, belong to extruding device technical field, including the machine body of silica gel extruder, extruder head, feeding structure and control structure, extruder head is set on the head, feeding structure is set on extruder head, control structure is set on the machine body, control structure connects extruder head and feeding structure, fixedly set on extruder head has discharge pipe, cooling pipe is set on the outside wall of discharge pipe, cooling pipe includes water inlet section, cooling section and water outlet section, one end of cooling section is fixedly connected water inlet section, the other end of cooling section is fixedly connected water outlet section, water inlet section and water outlet section are located in the machine body, cooling section is spirally wound on the outside wall of discharge pipe, fixedly connected with cooling water tank in the machine body, cooling water tank is connected with water pump, water pump is connected control structure, one end of water inlet section is fixedly connected on water pump, one end of water outlet section is fixedly connected on cooling water tank, the utility model has the advantage that the forming stability of silica gel is better.

The present invention is a silicone adhesive composition comprising: a phenyl group-containing silicon compound having a specific structure; and a hydrolyzable silicon compound having an epoxy group-containing organic group having a specific structure. As a result, a silicone adhesive having improved adhesion to a plastic film substrate compared to the prior art is provided.

This invention belongs to the field of contact lens technology, specifically providing a method for designing scleral lenses based on ocular surface and scleral topography. Based on the topography of the anterior surface of the patient's cornea and sclera, the method divides the anterior surface of the cornea and sclera into meridians at equal angles, and designs the surface profile curves of the anterior and posterior surfaces of the scleral lens according to the morphology of the patient's cornea and sclera. Finally, 3D reconstruction is used to obtain the 3D surface profile data of the scleral lens. The optical zone of the scleral lens can be designed in various ways depending on the different shapes of the patient's eyeball; the transition zone can be designed in diverse ways to ensure the thickness of the intraocular fluid at certain locations based on the ocular surface morphology; and the landing zone smoothly conforms to the anterior surface of the sclera. This invention maximizes conformity to the patient's ocular surface morphology, ensures the uniformity of the intraocular fluid, and maintains a high degree of matching with the ocular surface, thereby achieving trial-free scleral lens fitting, improving clinical accuracy and efficiency, and enhancing patient safety and satisfaction.

The invention relates to the technical field of nose pad injection molding, and discloses an anti-skid silica gel nose pad and a nose pad injection mold thereof.The anti-skid silica gel nose pad comprises a nose pad body, the top of the nose pad body is fixedly connected with a connecting base, the surface of the nose pad body is arc-shaped, the anti-skid silica gel nose pad comprises a fixing plate, the surface of the fixing plate is fixedly connected with a bent plate, and the end, away from the fixing plate, of the bent plate is fixedly connected with a storage frame; a limiting groove is formed in the top of the inner wall of the bent plate, the injection molding part comprises a supporting frame, and the end of the supporting frame is fixedly connected with the surface of the fixing plate. The connecting base is formed at the top of the nose pad at one time, the nose pad can be conveniently installed on the surface of the glasses frame for use through the connecting base, the nose pad is made of silica gel, the nose pad can be tightly attached to the nose bridge, pressure is reduced, indentations on the nose bridge are avoided, the nose pad can absorb impact of glasses impact, and damage to the nose bridge is reduced; after an operator adds corresponding raw materials into the quantitative groove, the raw materials in the quantitative groove can flow into the forming groove.

The present application belongs to the technical field of contact lenses, and provides a contact lens containing PDRN and a preparation method thereof. The contact lens is pretreated to obtain a plasma lens; the plasma lens is sequentially soaked in a first PDRN solution, a hyaluronic acid solution, a second PDRN solution and a taurine solution to obtain a semi-finished lens; and the semi-finished lens is crosslinked to obtain the contact lens containing PDRN. Through the design of a multi-layer structure, the present application realizes the synchronous and synergistic implantation of PDRN, hyaluronic acid and taurine in the contact lens. Among them, PDRN activates the A2A adenosine receptor signaling pathway, plays a core therapeutic role in promoting corneal epithelial cell proliferation, inhibiting the release of inflammatory factors and accelerating tissue repair; hyaluronic acid plays a role in lubricating and protecting the cornea; and taurine can scavenge active oxygen free radicals and reduce oxidative stress damage.

The invention discloses a supporting device for oral treatment and a using method, and belongs to the technical field of oral treatment equipment. Comprising a main supporting frame, an adjustable opening mechanism, an intelligent sensing module and a control unit. The main supporting frame is formed by combining a medical silica gel layer and a memory alloy framework, and initial fixation is achieved through friction force. The adjustable distraction mechanism controls the distraction arms to stretch through a driving motor and an angle adjusting module, reverse pressure is formed in combination with a flexible supporting pad to complete secondary fixing, and displacement in treatment is avoided. The intelligent sensing module integrates a pressure sensor, a temperature sensor and an optical camera, monitors oral pressure, temperature and a three-dimensional structure in real time, and generates a treatment path and risk early warning through an AI image processing unit. Through the double fixing and self-adaptive adjusting technology, the stability of the device is remarkably improved, the mucous membrane injury risk is reduced, meanwhile, the treatment time is shortened, and the operation precision is improved. The dental implant is suitable for dental surgery, root canal therapy, dental restoration and other scenes.

The utility model belongs to the technical field of detection devices, particularly relates to a liquid silica gel finished product detection device, and aims to solve the problems that after an optical screening machine detects defective products, an electric conveying belt stops working, workers need to take away the defective products from the tail end of the electric conveying belt, and the use is inconvenient. The same electric conveying belt used in cooperation with the optical screening machine body is arranged in an inlet and an outlet of the optical screening machine body, and the same U-shaped fixing frame is fixedly arranged on the tops of mounting plates on the two sides of the electric conveying belt. When the automatic sorting device is used, good products and defective products are automatically sorted and collected through the product sorting assembly, manual intervention is not needed, and the labor cost is reduced; the detachable limiting assembly ensures that the silica gel finished product enters a detection area in a correct posture, the flattening assembly flattens the silica gel finished product, detection errors caused by the placing angle or the uneven surface are avoided, and the accuracy of the detection result is improved.

The present invention provides a soft hydrophilic contact lens having a near object surface and a near eye surface, and including a central corrective zone, multiple annular corrective zones, and multiple annular defocus zones. The multiple annular defocus zones and the multiple annular corrective zones are alternately arranged outward from the central corrective zone. The near eye surface has a first defocusing structure protruding from each annular defocusing zone. The first defocusing structure is a tooth-shaped structure disposed along the annular defocusing zone, and the tooth-shaped structure has an inclined surface inclined outward from the central corrective zone. The near object surface has a second defocusing structure protruding from each annular defocusing zone, and the outer surface of the second defocusing structure is a convex curved surface. The technical solution of this application can improve the therapeutic effect of soft hydrophilic contact lenses.

The utility model relates to the technical field of test platforms, and discloses a silica gel viscosity characteristic test platform which comprises a device shell, an air inlet grille and a detection mechanism, the bottom of the device shell is fixedly connected with supporting legs, the detection mechanism is arranged in the device shell, and the air inlet grille is fixedly connected with the supporting legs. A first connecting pipe is fixedly connected between the first fixing shell and the air inlet grille, a suction fan body is arranged in the first connecting pipe, the output end of the first motor is fixedly connected with a rotating disc, and an absorbent cotton body is arranged on the outer side of the first fixing shell; air in the device shell is sucked into the first fixed shell through the suction fan body and is dehumidified through the absorbent cotton body. Compared with the situation that the final detection result is affected by large air humidity, a first fixed shell, a suction fan body, a first motor, a rotating disc and an absorbent cotton body are additionally arranged, the suction fan body works to suck air into the first fixed shell, and the first motor drives the rotating disc and the absorbent cotton body to rotate to dehumidify the first fixed shell.