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50 results about "Adhesion prevention" patented technology

Adhesion Prevention. A mainstay of adhesion prevention is the use of adhesion barriers, such as FzioMed’s Oxiplex®, Oxiplex/SP®Gel, Interpose®, Oxiplex/AP®, Oxiplex/IU®, Dynavisc®, and MediShield™ products, to coat and protect sensitive tissue following surgery.

Noodle adhesion prevention equipment for noodle processing

The utility model discloses noodle adhesion prevention equipment for noodle processing, and relates to the technical field of noodle processing. The flour sticking device comprises a box body, a flour storage box is fixedly connected to the top of the box body, a collecting box is connected to the front face of the box body in an inserted mode, a baffle is hinged to the front face of the box body, guide plates are installed on the left side and the right side of the inner wall of the box body, and the flour sticking device further comprises a flour sticking part installed in the center of the interior of the box body. The flour sticking part is used for sticking dry flour to the noodles; and the flour scattering part is mounted at the bottom of the flour storage box. The vibrating assembly is arranged, specifically, in the noodle conveying process, the motor is started to drive the oval roller to rotate, at the moment, the oval roller can drive the flour sticking frame to move upwards and downwards in a reciprocating mode, and therefore the noodles are bumped, scattered flour can be better attached to the noodles, the flour sticking frame can remain the flour, and the flour sticking frame is convenient to use. And the flour can be in better contact with the noodles.
Owner:MACHENG CHUANSHENGNONG BY-PRODUCTS DEVELOPMENT CO LTD

Anti-settling well lid lifting device and construction method thereof

The invention discloses an anti-sedimentation well lid lifting device and a construction method thereof, and relates to the technical field of municipal engineering construction equipment. According to the device, through cooperation of the tripod body, the hand winch, the fixed pulley and the multi-hook assembly, the problems that an existing lifting device is unstable in well lid lifting and dislocated in lowering can be solved, stable lifting is ensured, and construction safety and efficiency are improved. According to the method, through elevation pretreatment, adhesion prevention and accurate filling and rolling, smooth connection of the well lid and the road surface is ensured, the problem of sedimentation of the area below and around the well lid can be solved, the compactness of asphalt around the well is improved, sedimentation is reduced, and the road construction quality is guaranteed.
Owner:TIANJIN URBAN CONSTR BINHAI ROAD & BRIDGE

Waterproof and breathable masking paper composite adhesive tape

The utility model relates to a waterproof and breathable masking paper composite adhesive tape which comprises a reel and an adhesive tape body, the adhesive tape body is of a four-layer structural design and comprises an anti-sticking layer, a base material layer, a waterproof and breathable layer and an adhesive layer which are sequentially connected from the outer layer to the inner layer, the manufacturing process of the adhesive tape is simplified, and the production efficiency is improved; the anti-sticking layer comprises polytetrafluoroethylene and a titanium dioxide / graphene coating and is used for improving the anti-sticking effect and the ultraviolet-proof performance of the adhesive tape; the waterproof breathable layer comprises expanded polytetrafluoroethylene and nanofibers and is used for improving the waterproof and breathable performance of the adhesive tape and ensuring that the stable effect can be kept in various environments; the adhesive layer comprises polyurethane, a water-based acrylic pressure-sensitive adhesive and an organic silicon modifier, and nano silicon dioxide is uniformly distributed in the water-based acrylic pressure-sensitive adhesive; the adhesive force of the adhesive tape can be improved, cohesive strength is enhanced, weather resistance is improved, aging is delayed, degumming and wiredrawing phenomena are reduced, adhesive residues are reduced, and use experience is improved.
Owner:HUIZHOU YAOYUEXIANG TECH CO LTD

A material for preventing tissue adhesion and hemostasis and a method for preparing the same

The application discloses a material for preventing tissue adhesion and hemostasis and a preparation method thereof, and relates to the technical field of medical biomaterials.The carboxymethyl cellulose, chitosan and vancomycin / ceftazidime are synergistically matched, so that the three functions of hemostasis, adhesion prevention and antibiosis are integrated;meanwhile, the water absorption and gelation of the carboxymethyl cellulose and the blood coagulation activation of the chitosan can jointly strengthen the hemostasis effect; the tissue barrier function of the chitosan and the gel isolation of the carboxymethyl cellulose can jointly improve the adhesion prevention performance; the broad-spectrum antibiosis of the vancomycin and the ceftazidime can respond to the infection risk in different surgical scenes; the material preparation process is simple, the dosage form can be adjusted according to different surgical scenes, the material has good biocompatibility and can be completely degraded, the problem that the existing medical materials have single function and are difficult to meet the needs of complex surgical wounds is solved, and the material has significant clinical application value.
Owner:SHANDONG MIANYITONG MEDICAL TECHNOLOGY CO LTD

Preparation method of anti-adhesion particles

The invention discloses a preparation method of anti-adhesion particles. The invention belongs to the technical field of biomedical materials. The raw materials used in the invention are all biocompatible materials, and inflammatory reaction and toxic residue are avoided through a natural cross-linking agent and non-toxic solvent system; through the synergistic effect and cross-linking treatment of the carboxymethyl cellulose, the chitosan and the polylactic acid, the particles can maintain the anti-adhesion effect for 7-14 days in vivo, and the key adhesion prevention period after soft tissue and urinary surgery is covered; the particles have flexibility, antibacterial property and urine corrosion resistance, can be used for preventing adhesion of soft tissue postoperative wounds, and can also be used for preventing adhesion of urinary surgical operation sites and modifying instrument surfaces; the low-temperature spray drying and gamma-ray sterilization process ensures the activity of the raw materials and the sterility of the product, the process parameters are easy to control, the method is suitable for industrial production, and the production cost is reduced compared with the existing like products.
Owner:SHANDONG FENGYUAN MEDICAL MATERIAL CO LTD

Device for preventing freezing and adhesion of roller in alpine region

The present invention relates to the technical field of freezing and adhesion prevention of rollers. Disclosed is a device for preventing freezing and adhesion of rollers in alpine regions, which aims to solve the problem that rollers are prone to freezing and adhesion when conveyor belts are used in alpine regions. The present invention comprises a conveying device, the conveying device comprising two transmission rollers for driving a belt to rotate; a circulation channel is provided inside each transmission roller, and two ends of the two circulation channels are respectively communicated by means of circulation pipes; the circulation pipes and the circulation channels are filled with a hot medium; the circulation pipes are rotatably connected to the transmission rollers, and the circulation pipes are fixedly connected to the conveying device.
Owner:HUANENG YIMIN COAL ELECTRICITY CO LTD

Material adhesion prevention mechanism and chain sorting machine

This invention discloses an anti-material adhesion mechanism and a chain-type sorting machine, relating to the field of sorting equipment technology. The invention includes a conveying unit and an anti-material adhesion mechanism, with several paddle units corresponding to several conveying units. The conveying unit includes two rows of material rollers and a chain for driving the material rollers to rotate and convey. The anti-material adhesion mechanism includes several paddle units and a drive assembly. Each paddle unit includes a pair of paddles, and the drive assembly is drively connected to the paddles, allowing the pair of paddles to unfold above the two rows of material rollers. By correspondingly arranging paddle units in the conveying units of the chain-type sorting machine, with each paddle unit including a pair of paddles, and the drive assembly driving the paddles to unfold above the material rollers, this invention ensures that only a single layer of material can pass under the paddles, while stacked and adhered material is removed by the paddles, guaranteeing the accuracy of subsequent identification and screening. Furthermore, the unfolding angle of the paddles can be adjusted according to the size of the material, making it highly adaptable.
Owner:ANHUI ZHONGKE OPTIC ELECTRONICS COLOR SORTER MACHINERY

A feeding device for adhesive products

This utility model discloses a feeding device for adhesive products, relating to the field of adhesive product processing technology. It includes a processing box, a feeding chamber, and a mixing chamber. The processing box is equipped with a heating and stirring assembly. A locking rod fixes an arc-shaped limiting plate to one side of a fixed plate, supporting the horizontal pipe. A spray nozzle sprays water onto the adhesive material to be stirred in the mixing chamber, preventing adhesion during stirring and effectively cooling the material. A heating pad contacts the material in the feeding chamber to heat it. A stirring roller mixes the water-heated adhesive product. A fixing block fixes the arc-shaped heating ring to the limiting sleeve and limiting flange, reinforcing and limiting the two arc-shaped heating rings. The arc-shaped heating ring and the heat-conducting rod heat the material adhering to the inner side of the mixing chamber, facilitating its removal with the help of water, thus preventing the adhesive product from adhering to the mixing chamber during feeding.
Owner:HUNAN HUACHUANGHONG NEW MATERIAL TECHNOLOGY CO LTD

Adhesion prevention film and method for producing same

PCT designated stageWO2026105822A1SurgerySwelling ratioPyrazine
Provided is an adhesion prevention film that sufficiently swells upon contact with moisture and is less prone to breaking. This adhesion prevention film contains a bioabsorbable polymer compound. The adhesion prevention film has a thickness of 10-500 µm, and a swelling ratio of 200-500 vol% after 15-minute immersion in phosphate buffer at pH 6.0. In the case where 1H-NMR measurement of the film is performed, using a sample solution prepared by adding the film and 1.2 mg of pyrazine to 1.1 mL of deuterated trifluoroacetic acid, with the resonance peak of pyrazine as a standard substance referenced to 9.45 ppm, when the integral value of the maximum resonance peak measured in the range of 9.4-9.5 ppm is defined as A and the integral value of the maximum resonance peak measured in the range of 5.0-5.2 ppm is defined as B, B / A is 0.10 or less.
Owner:KUREHA CORPORATION

Hydrogel membrane for adhesion prevention

A biocompatible membrane comprised of alginate and hyaluronate. The membrane may be used to prevent unwanted scarring after surgery. The tissue adherence and the rate of bioresorption of the membrane may be modified through an external stimulus comprising a sequestering agent and a viscosity modifier.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST

Anti-adhesion structure for microphone mesh enclosure copper powder welding

The utility model discloses an anti-adhesion structure for microphone mesh enclosure copper powder welding, which comprises a placing plate for placing a mesh enclosure for welding, the top of the placing plate is provided with a plurality of clamping grooves which are distributed at equal intervals, the top of the placing plate is fixedly connected with a plurality of convex blocks which are distributed at equal intervals, and the convex blocks are fixedly connected with the top of the placing plate. The placing plate is made of graphite, a mounting frame is arranged at the bottom of the placing plate, and a discharging mechanism is fixedly connected into the mounting frame. The placing plate is made of graphite, and the graphite has good self-lubricating property and non-sticky property, so that the placing plate cannot be adhered to the copper powder even in a high-temperature environment, and the problems that high temperature is generated during welding of the copper powder, and the copper powder cannot be adhered to the copper powder when overflowing occurs after the copper powder is melted at the high temperature are solved. The problem that the subsequent processing efficiency is affected due to the fact that the mesh enclosure is adhered and is not easy to take down when products are easily adhered to a conveying chain is solved, and the adhesion prevention effect is achieved.
Owner:DALIAN SONGLIAN PRECISION IND ELECTRONICS CO LTD

Heat-resistant long-service-life conveying belt capable of preventing material adhesion

The invention discloses a heat-resistant long-life conveying belt capable of preventing material adhesion, which belongs to the field of material conveying equipment, and comprises a rack, a conveying assembly, a cooling assembly, a power assembly, an anti-static assembly and a walking unit, universal wheels with brakes are arranged at the lower end of the rack; the conveying assembly comprises a multi-layer structure conveying belt and a detachable dust cover. The cooling assembly reduces the temperature of the conveying belt through a closed loop; the power assembly is driven by a variable frequency motor and a synchronous belt. The anti-static assembly is provided with a plasma fan and a grounding brush for dual protection. The heat-resistant long-service-life conveying belt capable of preventing material adhesion is high in heat resistance, long in service life, capable of reducing material adhesion and electrostatic hidden dangers, capable of being flexibly moved and adjusted, convenient and fast to maintain, suitable for high-temperature material conveying scenes such as chemical engineering and metallurgy, and low in comprehensive use cost.
Owner:BAODING HAICHUAN RUBBER BELT MFG CO LTD

Adhesive tape structure with multiple anti-counterfeiting and anti-uncovering functions

The utility model discloses an adhesive tape structure with various anti-counterfeiting and anti-uncovering functions. The adhesive tape structure comprises an isolating layer, an anti-counterfeiting printing layer, an aluminum plating layer, a base material layer, an anti-counterfeiting characteristic layer and an adhesive layer which are sequentially stacked from bottom to top, after the adhesive tape is torn off finally, part of the adhesive layer is adhered to the surface of an object to be adhered, and an anti-counterfeiting mark is left through the anti-counterfeiting feature layer, so that the purposes of counterfeiting prevention and secondary adhesion prevention are achieved; the aluminized layer is provided with photoetching fine patterns or characters through a laser engraving technology, and different illumination colors and different three-dimensional effects are shown when observed from different angles; the anti-counterfeiting printing layer is transparent ink which is printed on the base material layer or the aluminum plating layer through a printing machine and is anti-counterfeiting based on illumination identification; according to the utility model, the photoetching fine patterns or characters are arranged on the aluminized layer through the laser engraving technology, and the transparent ink based on illumination identification anti-counterfeiting and temperature change identification anti-counterfeiting is arranged on the base material layer or the aluminized layer, so that the purpose of increasing the anti-counterfeiting identification degree in double or multiple ways is achieved.
Owner:CHONGQING BOCHUANG PRINTING CO LTD

Copper alloy netting material and preparation method thereof

The invention designs a copper alloy netting material and a preparation method thereof, and belongs to the technical field of netting materials. The netting material comprises an inner core layer, a stress buffering transition layer and an outer alloy layer which are sequentially arranged from inside to outside. The outer surface of the outer alloy layer is provided with periodically arranged micro-texture pits so as to increase the specific surface area and provide the copper ion storage capacity, and the passivation and activation composite film layer is of a double-layer structure with a compact inner layer and a porous outer layer. The preparation method comprises the steps of core layer pretreatment, alloy layer coating, on-line monitoring self-adaptive drawing, segmented gradient annealing, cyclic drawing and annealing, surface texturing treatment, surface passivation and activation treatment and the like. The technical problems that an existing netting material is insufficient in strength, poor in corrosion resistance, serious in biological adhesion, weak in composite interface bonding, unstable in copper ion release and the like are solved, the excellent comprehensive performance of high strength, corrosion resistance and long-acting adhesion prevention is obtained, and the composite netting material is particularly suitable for severe marine environments such as mariculture.
Owner:QINGDAO HAOSAI MARINE EQUIPMENT CO LTD +1

Hemostatic gauze for hemodialysis

ActiveCN223787901UAbsorbent padsBandagesHemodialysisGelatin sponge
The hemostatic gauze for hemodialysis comprises a gauze body, and a plurality of restraint straps are arranged on the gauze body. A contact layer, a hemostasis layer, an isolation layer and a fixing layer are sequentially arranged on the gauze body from bottom to top; the contact layer is made of a hydrophilic biocompatible material; thrombin, chitosan microspheres and gelatin sponge are arranged in the hemostatic layer; the isolating layer is made of a polytetrafluoroethylene film, and the fixing layer is made of elastic medical non-woven fabric. According to the multi-layer structural design that the gauze body is sequentially provided with the contact layer, the hemostasis layer, the isolation layer and the fixing layer from bottom to top, and all the layers are clear in function and cooperate with one another; the contact layer is in direct contact with the wound and is responsible for primary blood coagulation promotion and adhesion prevention; the hemostatic layer can stop bleeding efficiently; the isolating layer plays a dual role in blocking outside bacteria and preventing adhesion; the fixing layer ensures that the whole gauze is stably fixed at the wound part; due to the layered structural design, the hemostatic gauze can effectively meet various requirements for hemostasis and follow-up nursing of a hemodialysis puncture part.
Owner:JIAXING NO 1 HOSPITAL

Spatter adhesion suppression device for laser processing machine, laser processing machine, and laser processing method

According to the present invention, a spatter adhesion suppression device for a laser processing machine comprises a spatter guard that is inserted into a pipe and has a tip part that receives spatter produced by irradiation of the pipe with a laser, a spraying part that sprays a fluid at the tip part of the spatter guard, and a discharge device that discharges a spatter adhesion prevention agent at the tip part of the spatter guard and an inner surface of the pipe.
Owner:YAMAZAKI MAZAK KK

Antibacterial catheter and preparation process thereof

The invention relates to the technical field of urethral catheters, in particular to an antibacterial urethral catheter and a preparation process thereof. The preparation process of the antibacterial catheter comprises the following steps: preparation of quaternary phosphonium salt antibacterial functional monomers, preparation of acrylic agarose, pretreatment of a catheter substrate and preparation of the antibacterial catheter. The antibacterial monomer with unsaturated double bonds and quaternary phosphonium salt groups is synthesized, and bacterial cell membranes can be destroyed for bacteriostasis. Through oxygen plasma treatment and ultraviolet curing, a firm three-dimensional cross-linked coating is formed on the catheter, and adhesion prevention and sterilization are achieved in combination with acrylated agarose. And three-section gradient temperature control is adopted, so that the coating film forming performance and the catheter performance are guaranteed, and the risk of related complications is reduced.
Owner:JILIN UNIVERSITY

Bionic sucker type double-layer composite fiber membrane patch, preparation and application of patch in preparation of intestinal anastomosis device

The invention relates to a bionic sucker type double-layer composite fiber membrane patch, preparation and application of the bionic sucker type double-layer composite fiber membrane patch in preparation of an intestinal anastomosis device, and belongs to the field of biomedical engineering. The patch comprises a double-layer composite fiber membrane, a flexible suction cup, a suction cup structure and a round hole structure. The double-layer composite fiber membrane comprises an outer hydrophobic layer and an inner hydrophilic layer; the inner side hydrophilic layer is bonded and fixed with the flexible sucking disc; the suction cup structures are arranged on the periphery of the flexible suction cup, and the round hole structures are arranged on the flexible suction cup in an array mode. The suction cup structure comprises a hemispherical base and a cylindrical top. The patch designed by the invention can be used in an intestinal anastomosis operation, the physical adsorption effect of the flexible sucker and the chemical adhesion effect of the hydrophilic layer of the composite fiber membrane are in synergistic interaction, and the strong tissue adhesion characteristic is exerted; the hydrophobic layer of the composite fiber membrane has a physical barrier effect, and postoperative adhesion of surrounding tissues is avoided. The biological patch designed by the invention has the characteristics of simple operation, firm adhesion, adhesion prevention and biological safety.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV +1

Anti-adhesion production process and equipment for tinned copper stranded conductor for data line

The invention relates to a tinned copper stranded conductor anti-adhesion production process and equipment for a data line, and relates to the technical field of wire and cable manufacturing, the tinned copper stranded conductor anti-adhesion production process comprises a frame body, a tinning groove is formed in one side of the frame body, a supporting frame is fixed to one side of the frame body, a servo motor is fixed to the middle of the supporting frame, and a rotating disc is fixed to the driving end of the servo motor; a plurality of pay-off rollers are arranged on the other side of the rotating disc, a fixing frame is fixed to the other side of the frame body, a driving motor is fixed to the other end of the fixing frame, and a connecting rod is fixed to the driving end of the driving motor. The connecting rod is driven by the driving motor to rotate, on one hand, the dynamic tin scraping effect is achieved, the material basis of tin-plated copper stranded conductor adhesion is eliminated from the source, on the other hand, the rapid air drying effect is achieved, a foundation is laid for subsequent uniform adhesion of an anti-adhesion agent, on the other hand, the quantitative intermittent scattering and coating effect of the anti-adhesion agent is achieved, and the efficiency is improved. And the technical effect of adhesion prevention is achieved.
Owner:JIAXING FOREX ELECTRONIC CO LTD

Dropping pill anti-adhesion rotary cooling and collecting device

The utility model relates to the technical field of pharmaceutical equipment manufacturing, and discloses a pill dropping agent anti-adhesion rotary cooling and collecting device which comprises a cooling tank, a first fixing plate is arranged on the upper surface of the cooling tank, a second protective sleeve is fixedly connected to the lower surface of the first fixing plate, and a second motor is fixedly connected to the upper surface of the second protective sleeve. The output end of the second motor is connected with a third bevel gear, the tooth end of the third bevel gear is in meshed connection with a stirring assembly, the exterior of the stirring assembly is fixedly connected with a third protective sleeve, the exterior of the third bevel gear is fixedly connected with a second stirring rod, and the upper surface of the first fixing plate is fixedly connected with a pill dropping device. According to the cooling tank, the second motor drives the third bevel gear and the second stirring rod to rotate and drives the first bevel gear and the second bevel gear to rotate at the same time, and therefore the effects that bidirectional dynamic fluid optimized cooling and adhesion prevention can be achieved, and meanwhile the interior of the cooling tank can be cleaned can be achieved.
Owner:天长亿帆制药有限公司

Mechanism for preventing paper and ink from being adhered to printing plate

The utility model relates to the field of printing, in particular to a printing plate mechanism for preventing paper printing ink from adhering, which comprises a printing plate, a heating component, an image-text bulge, a small bulge and a handle, the small protruding structures are arranged on the surface of the printing plate, the actual contact area between paper and the printing plate can be reduced, an air cushion can be formed between airflow and the printing plate through the communicated air hole structures, the paper is prevented from making close contact with printing ink, and the heating assembly is arranged, so that the printing plate is heated. The temperature of the printing plate can be properly adjusted in the printing process to adjust the fluidity of printing ink and the physical property of paper, and the adhesion condition of the printing ink of the paper can be reduced under the mutual cooperation of all the structures, so that a very good anti-adhesion effect is achieved.
Owner:GUANGDONG NEW GRAND LONG PACKING CO LTD

Self-repairable super-hydrophilic coating and preparation method and application thereof

ActiveCN118620477BExcellent anti-oil pollution propertiesfix problems that can't be fixedMicrobial adhesionFirming agent
The application belongs to the technical field of super-hydrophilic coating, and particularly relates to a self-repairable super-hydrophilic coating, a preparation method and application thereof.The self-repairable super-hydrophilic coating comprises the following components in parts by weight: 10-20 parts of epoxy resin, 1-5 parts of curing agent, 10-150 parts of solvent, 0-7 parts of nano filler, 5-15 parts of modifier and a hydrophilic component dissolved in another solvent.The super-hydrophilic coating has excellent oil pollution prevention characteristics, and can have antibacterial, scale inhibition and drag reduction characteristics, and can be applied to the fields of oil adhesion prevention, microbial adhesion prevention, underwater drag reduction, oil-water separation and the like, can effectively resist conventional organic oil phase pollution, even high-viscosity crude oil pollution, and can be repaired in water, strong acid, strong base, high salt and artificial seawater, solving the problem that the existing super-hydrophilic coating cannot be repaired in an extreme underwater environment.
Owner:NORTHEAST GASOLINEEUM UNIV

Special automatic purification horizontal screw sedimentation centrifuge for wastewater treatment

The invention discloses an automatic purification horizontal screw sedimentation centrifuge special for wastewater treatment, and belongs to the technical field of wastewater treatment.The automatic purification horizontal screw sedimentation centrifuge comprises a machine body, a machine cover is hinged to the top of the machine body, and a locking mechanism is arranged on the rear side of the machine cover; a rotary drum and a spiral rotor are rotationally mounted in the machine body, a first driving mechanism is arranged at one end of the rotary drum, a second driving mechanism is arranged at one end of the spiral rotor, a solid phase outlet and a liquid phase guiding-out mechanism are arranged on the two sides of the bottom of the machine body respectively, and a knocking mechanism is arranged in the machine cover. The function of automatically preventing solid adhesion is achieved through the knocking mechanism; the knocking mechanism generates intermittent vibration during rotation of the rotary drum through interaction of magnets and a spring reset mechanism, the vibration effectively scatters a solid layer accumulated on the inner wall of the rotary drum, and it is guaranteed that solid-phase particles are smoothly discharged.
Owner:JIANGSU DONGBANG MASCH CO LTD

Silk fibroin gel for adhesion prevention material, method for producing same, adhesion prevention material, and adhesion-preventing method

PendingUS20260007808A1SurgeryPolymer scienceFibroblast
The present invention provides an adhesion prevention material, which has low adhesion and growth promoting properties of fibroblasts and low adsorption to serum proteins. The adhesion prevention material comprising a silk fibroin gel from an aqueous solution of a silk fibroin, wherein the silk fibroin is soluble in water and has a weight-average molecular weight of 150 kDa or less.
Owner:FUJITA HEALTH UNIVERSITY +3

Regenerated polypropylene heat-sealing adhesion-resistant modified material and preparation method thereof

PendingCN121378946APolymer scienceFluoride
The invention relates to a regenerated polypropylene heat-sealing adhesion resistant modified material, which is prepared from the following ingredients in parts by mass: 50 to 80 parts of polypropylene resin recycled materials, 15.9 to 47.8 parts of polypropylene resin new materials, 1 to 2 parts of anti-adhesion auxiliaries and 1.2 to 2.1 parts of other auxiliaries. The polypropylene resin recycled material is a polypropylene recycled material produced by each storage battery recycling manufacturer. The polypropylene resin new material is commercially available general-grade co-polypropylene. The anti-sticking auxiliary agent is fluorine-free PPA (Phenyl Phenolic Acid The core component of the fluorine-free PPA is organic modified polysiloxane. The other auxiliary agents are prepared from the following components in parts by mass: 0.3 to 0.6 part of an antioxidant, 0.5 to 0.8 part of a lubricating agent and 0.4 to 0.7 part of a dispersing agent. According to the present invention, after the groove body produced by using the high-proportion reclaimed material polypropylene material modified by using the fluoride-free PPA as the anti-adhesion auxiliary agent is subjected to contact melting with the heat sealing plate, the paraffin-like precipitation is formed on the contact surface, such that the adhesion between the groove body and the heat sealing plate is reduced, and the molten polypropylene is not easily taken away by the heat sealing plate so as to achieve the function of heat sealing material adhesion prevention.
Owner:GUCHENG CAMEL PLASTIC PROD CO LTD

Pathological section equipment capable of preventing adhesion of wax sheet

The utility model discloses pathological section equipment with a paraffin sheet adhesion prevention function, and belongs to the technical field of medical instruments, the pathological section equipment is characterized by comprising a holding rod, a battery is arranged in the holding rod, and a control mainboard is arranged on the rear side in the holding rod. The slicing knife can be stably clamped by adjusting the heat conduction clamping plate, it is ensured that the slicing knife is always in the optimal state during working, meanwhile, the slicing knife can be evenly heated through the heat conduction clamping plate by means of the nickel-chromium alloy heating wire embedded in the outer side of the heat conduction clamping plate under regulation and control of the control main board, the surface temperature of the slicing knife is increased, and therefore the slicing knife can be continuously heated. During slicing, the viscosity of paraffin is effectively reduced, the adhesion of paraffin sheets on the surface of the slicing knife is greatly reduced, the continuity and integrity of slices are guaranteed, the quality of the slices is remarkably improved, and reliable slice samples are provided for subsequent pathological diagnosis.
Owner:ZHONGRONGDA BIOTECHNOLOGY CO LTD

Impurity removal device for high-purity arsenic

The utility model relates to the technical field of metal processing, and discloses a high-purity arsenic impurity removal device which comprises a tank body, the top end of the tank body is fixedly connected with a material storage box, a discharging mechanism is arranged in the material storage box, a vibration mechanism is arranged outside the material storage box, a control mechanism is arranged at the top end of the tank body, and the control mechanism is connected with the material storage box. A stirring mechanism is arranged in the tank body, and a filtering mechanism is arranged at the front end of the tank body; the vibrating mechanism comprises a fixing box, the exterior of the fixing box is fixedly connected to the exterior of the storage box, a sliding block is slidably connected to the interior of the fixing box, and a telescopic column is fixedly connected to the top end of the sliding block. According to the powder feeding device, the knocking rod intermittently knocks the knocked rod while the discharging plate rotates, so that the storage box and the discharging plate vibrate, the effects of adhesion prevention, accumulation prevention and blockage prevention of powder are achieved, and stable processing operation is guaranteed.
Owner:LUONING ZHONGTIANLI NEW MATERIALS CO LTD

Multi-level degradable artificial meninx repair stent and preparation method thereof

The invention discloses a multi-layer degradable artificial meninx repair stent and a preparation method thereof, the artificial meninx repair stent main body is of a three-layer structure, the inner layer is a directional nanofiber antibacterial layer, the middle layer is a disordered nanofiber leakage-proof layer, and the outer layer is a porous micron fiber layer with bone regeneration activity. The multi-level degradable artificial meninx repair stent designed by the invention can realize sustainable release of drugs, has the effects of promoting nerve repair and effectively preventing leakage of cerebrospinal fluid, and has blood compatibility and biocompatibility; the polypeptide has the characteristic of promoting osteogenesis, and has important application in wound healing, adhesion prevention and nerve repair tissue engineering.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Slag adhesion prevention slitting guide and guard structure

The utility model relates to the technical field of steel rolling guide and guard, and discloses an anti-slag-sticking slitting guide and guard structure which comprises a base, and a guide and guard structure shell is installed on the upper surface of the base. The nose cone is arranged on the left side of the guide and guard structure shell, and a segmentation wheel is arranged on the left side of an inner cavity of the guide and guard structure shell; the slitting blade is arranged on the upper surface of the guide and guard structure shell, a first slitting guide groove is formed in the right side of the surface of the guide and guard structure shell, and a second slitting guide groove is formed in the upper surface of the guide and guard structure shell. A guide wheel shaft is installed on the surface of the guide wheel and connected with the surface of the guide and guard structure shell. The additionally-arranged guide wheel can enlarge the segmentation interval of the red blank after segmentation to the outlet of the guide groove, the phenomenon that iron oxide adheres to the red blank is reduced, the phenomenon that the red blank abrades a middle supporting plate of the guide groove is reduced, the problem of steel stacking time error caused by adhesion of iron oxide after the red blank and the segmentation guide groove are abraded is effectively solved, and stable production and operation are guaranteed.
Owner:LIANFENG STEEL (ZHANGJIAGANG) CO LTD