97results about How to "Excellent peelability" patented technology

The invention provides an antistatic UV viscosity-reducing glue, a UV viscosity-reducing film and a preparation method, the antistatic UV viscosity-reducing glue comprises the following raw materials by weight: 40-50 parts of a main glue solution, 15-20 parts of a urethane acrylate solution, 25-60 parts of an organic solvent, and 0.5-5 parts of a photoinitiator, the main glue solution is obtained by solution polymerization of a soft monomer, a hard monomer, a functional monomer and an unsaturated quaternary ammonium salt monomer under the action of an initiator, the mass ratio of the soft monomer to the hard monomer to the functional monomer to the unsaturated quaternary ammonium salt monomer to the initiator is (50-80): (10-15): (2-10): (0.5-3): (0.1-1), and the weight-average molecular weight of the main glue is 450,000-650,000. The unsaturated quaternary ammonium salt monomer with an antistatic effect is introduced into the main glue in a copolymerization manner, so that the antistatic UV viscosity-reducing glue taking the main glue as a main component has relatively low surface resistance and excellent stripping performance.

The invention discloses a water-based zircon powder coating which comprises the following components in parts by weight: 100 parts of refractory aggregate, 4-10 parts of a binder, 2-5 parts of a dispersing agent, 2-8 parts of a suspending agent, 0.1-2 parts of a wetting agent, 1-4 parts of a defoaming agent, 1.5-3 parts of a coalescing agent and 10-30 parts of water, the refractory aggregate is zircon powder and comprises coarse powder and fine powder; the suspending agent comprises cellulose modified magnesium silicate and a component 2, and the component 2 comprises at least one of sodium bentonite, lithium bentonite and attapulgite. According to the water-based zircon powder coating disclosed by the invention, the density, the solid content and the like of the coating are maintained at a relatively high level while the water-based zircon powder coating has low viscosity, so that the coating establishment efficiency is effectively improved, and the one-time spraying thickness can reach 1.0-1.2 mm; the coating drying time is greatly shortened, and the working efficiency is improved; the coating is excellent in sand burning resistance and good in stripping performance, is used for casting production, especially large steel casting production, and greatly reduces casting defects and post-treatment workload.

The invention relates to the technical field of optical fibers and adhesives, and particularly discloses a special ultraviolet curing adhesive for a reticular optical fiber ribbon and a preparation method of the special ultraviolet curing adhesive. The adhesive is prepared from a carboxyl-containing sulfydryl tertiary carbonate urethane acrylate prepolymer, a low-viscosity prepolymer, four-functional polyurethane modified organosilicone epoxy acrylate, a high-adhesion acrylate monomer, an acrylamide active monomer, ultraviolet-curable cellulose ester, a photoinitiator, a flatting agent, a photocuring defoaming agent and a polymerization inhibitor. The adhesive is small in viscosity and easy to dispense and spray, adopts UV / UV-LED light to initiate rapid curing and fixing, is good in adhesive force, can effectively improve the grid bonding strength, does not cause additional attenuation to optical fibers, is good in stripping performance, facilitates rapid separation of single optical fibers during construction, is free of VOC emission and low in odor, and meets the latest REACH regulations of European Union. The ultraviolet curing adhesive has the characteristics of small attenuation, good torsion and bending resistance, good stripping property and the like when being used for producing the net-shaped optical fiber ribbon.

The invention discloses a chip tantalum capacitor and a packaging method thereof, the capacitor comprises a lead frame and a tantalum core, and the lead frame is connected with the tantalum core through a connecting part. The packaging method comprises the following steps: correspondingly connecting a lead frame, a connecting part and a tantalum core, and then coating a water-soluble polymer material on the connecting part; putting into a mold for mold pressing; soaking in water after mould pressing, taking out, washing and drying; and carrying out electroplating treatment to finish packaging of the tantalum capacitor. According to the invention, a layer of water-soluble polymeric membrane material is coated on the positive and negative electrode lead wire areas of the lead wire frame; the water-soluble polymer material has good adhesion and peelability, so that the epoxy mould pressing flash material can be effectively prevented from being tightly attached to the lead frame in the mould pressing process, the epoxy mould pressing flash material is effectively removed, particularly the flash material is prevented from being tightly attached to the lead frame, the production quality and the product performance are improved, and the production cost is reduced. And the step of treating the flash is omitted.

The invention provides a bending-resistant water-based transfer coating and application thereof in a transfer card. The bending-resistant water-based transfer coating comprises the following components in parts by mass: 10-15 parts of modified polyurethane resin; 5-10 parts of modified water-based styrene-acrylic resin; 10 to 15 parts of ethanol; 55 to 60 parts of deionized water; 0.1 to 0.2 part of a dispersing aid; 0.07 to 0.12 part of a leveling agent; and 0.1 to 0.13 part of a defoaming agent. The water-based transfer coating disclosed by the invention has a high-brightness holographic effect and excellent strippability, can improve the folding resistance of a transfer card, and has wide market value and application prospect.

The invention discloses a polyphenylene sulfide fiber pps filter bag, and relates to the technical field of filter materials. The invention discloses a preparation method of a polyphenylene sulfide fiber pps filter bag, which comprises the following steps: carrying out melt extrusion granulation on polyphenylene sulfide and modified silicon dioxide to obtain granules; carrying out melt-blowing spinning, heat setting and hot rolling on the granules to obtain a pps filter bag; the modified silicon dioxide is obtained by modifying aminated mesoporous silicon dioxide with ethylenediamine tetraacetic anhydride and then carrying out epoxy treatment with epichlorohydrin. The prepared modified silicon dioxide is added into polyphenylene sulfide for granulation and melt-blowing treatment, the obtained polyphenylene sulfide fiber has the advantage of being good in mechanical property, the prepared polyphenylene sulfide fiber is used for preparing a pps filter bag, the prepared filter bag is applied to filtering treatment of high-temperature flue gas, the advantages of oxidation resistance and cross-linking resistance are achieved, and the application prospect is wide. And high filtering precision and trapping effect are achieved when smoke is filtered in a hot oxygen environment.

Provided are a polyisocyanate composition, a resin composition, a cured resin product, a cured resin film, an adhesive resin composition, and a surface protective film, which have good adhesiveness and peelability when made into a surface protective film, and which have improved contamination properties due to an adhesive during peeling. The invention also provides the polyisocyanate composition, the resin composition, the cured resin product, the cured resin film, the adhesive resin composition, and the surface protective film. The present invention is a polyisocyanate derived from at least one di (tri) isocyanate (b1) selected from the group consisting of aliphatic di (tri) isocyanates and alicyclic di (tri) isocyanates, and a di-or higher-functional polyol (b2) having a number average molecular weight of 250-1000 (inclusive), the ratio NCO / OH of the molar amount of isocyanate groups in the di ((III)) isocyanate (b1) to the total molar amount of hydroxyl groups in the polyol (b2) is 2-30, an isocyanurate group is included, the average number of isocyanate functional groups is 5.1-7.0, and the weight-average molecular weight (Mw) is 4000-43000.

The invention provides a kitchen oil stain cleaning agent and a range hood cleaning method, and relates to the technical field of kitchen cleaning. The kitchen oil stain cleaning agent is prepared from the following raw materials in parts by weight: 30 to 50 parts of sodium silicate, 1 to 10 parts of sodium gluconate, 1 to 10 parts of alpha-sodium olefin sulfonate, 1 to 10 parts of diamine tetraacetic acid disodium salt, 1 to 10 parts of sodium carbonate and 1 to 10 parts of sodium hydroxide. The kitchen oil stain cleaning agent has the advantage of being good in kitchen oil stain cleaning effect. The range hood cleaning method can be matched with a kitchen oil stain cleaning agent to achieve a sufficient cleaning effect on the range hood.

The utility model relates to an automatic sealing device which comprises a horizontally sliding adsorption mechanism, the adsorption mechanism comprises a first suction cup structure, a second suction cup structure and a detection device, and the first suction cup structure and the second suction cup structure respectively comprise a vertical sliding lifting driving assembly. The detection device is arranged between the first suction cup structure and the second suction cup structure and used for detecting the thickness and the damage state of the cover glass. Compared with the prior art, one of the first suction cup structure and the second suction cup structure slides to generate an up-down height difference, so that the cover glass is bent when the cover glass is sucked from the cover glass storage bin, the cover glass and the cover glass can be separated more easily, and the optimal stripping effect is achieved; and the working efficiency and the sealing quality of equipment can be improved, the workload of operators is reduced, and the overall production efficiency is improved.

The invention belongs to the technical field of OCA optical cement, and discloses optical cement and a preparation method thereof. The optical adhesive is prepared from the following raw materials in parts by weight: 75 to 100 parts of acrylate prepolymer, 15 to 30 parts of diluent, 5 to 8 parts of acrylic acid, 10 to 20 parts of isobornyl methacrylate, 10 to 20 parts of silica sol, 2 to 3 parts of initiator, 0.5 to 3 parts of cross-linking agent and 0.5 to 3 parts of antioxidant. The acrylic resin is formed by polymerizing a hard monomer, a soft monomer and a functional monomer under the action of a photoinitiator. The optical adhesive prepared by the invention has good viscidity, is not easy to remain on a laminated display material, has high elongation and relatively good stripping property, meanwhile, the light transmittance and stability of the optical adhesive are improved by polymerization of the raw materials, and the optical adhesive is high in transparency, low in haze, free of shrinkage during curing and good in weather resistance.

The invention discloses a laser aluminum foil, and relates to the technical field of packaging materials. The laser aluminum foil is obtained by putting a composite aluminum foil lining film into a molding press for molding, the composite aluminum foil lining film comprises a base film layer, an aluminum foil layer and a peelable adhesive bonded between the base film layer and the aluminum foil layer. The peelable adhesive is obtained by mixing and aging a photopolymerizable acrylate copolymer, a photoinitiator and a diluent; the photopolymerizable acrylate copolymer is obtained by mixing and aging a polyurethane acrylate prepolymer and an acrylic copolymer; the polyurethane acrylate prepolymer is obtained by carrying out prepolymerization on a diisocyanate monomer, castor oil and 2-hydroxyethyl acrylate; the acrylic acid copolymer is obtained by copolymerizing 2-hydroxyethyl acrylate, butyl acrylate, methyl methacrylate, pentaerythritol triacrylate and acrylic acid.

The invention discloses alkaline stripping liquid for a silicon-based surface composite film and a stripping method of the alkaline stripping liquid. The alkaline stripping liquid is prepared from the following raw materials in percentage by mass: 12 to 17 percent of alkaline substance, 0.08 to 0.15 percent of oxidizing agent, 0.02 to 0.1 percent of composite complexing agent, 0.01 to 0.05 percent of interfacial agent and the balance of water, wherein the composite complexing agent is composed of an aluminum complexing agent and a molybdenum complexing agent according to the mass ratio of 1: 1. The method has the advantages of being good in stripping effect, small in silicon substrate damage, free of residues, high in universality, easy and convenient to operate and the like, and can be widely applied to the field of electronic chemicals, the technical field of semiconductors and the technical field of film stripping.

A PVA film, which is a polyvinyl alcohol film containing polyvinyl alcohol (A), anionic surfactant (B) and fatty acid salt (C), characterized in that the anionic surfactant (B) is a sulfate type or sulfonate type, and the content of the anionic surfactant (B) is 0.01 to 0.20 parts by mass relative to 100 parts by mass of polyvinyl alcohol (A), the fatty acid salt (C) is an alkali metal salt or an amine salt, and the content of the fatty acid salt (C) is 0.02 to 0.20 parts by mass relative to 100 parts by mass of polyvinyl alcohol (A), and the content of the nonionic surfactant is less than 0.01 parts by mass relative to 100 parts by mass of polyvinyl alcohol (A). Thus, a PVA film and a method for manufacturing a polarizing film using the PVA film are provided, wherein the PVA film has a small number of optical defects and active agent aggregates, a low haze value, good peelability, and excellent polarization performance when processed into a polarizing film.

This disclosure relates to the field of polymer emulsions, specifically to a method for preparing a peelable emulsion. The method includes: reacting glycidyl methacrylate, amino-terminated silicone oil, and sodium flakes at room temperature with stirring in the dark, and filtering to obtain double-bond modified silicone oil; separating a vinyl monomer into a first monomer and a second monomer, and dispersing the double-bond modified silicone oil in the first monomer to obtain a third monomer; preparing a pre-emulsion by ultrasonic emulsification of the second monomer, an emulsifier, and water; adding the pre-emulsion, an aqueous solution of the crosslinking monomer, and an aqueous solution of the first ammonium persulfate to a reaction vessel to form a core-phase emulsion; adding the third monomer and the aqueous solution of the second ammonium persulfate dropwise into the core-phase emulsion to form a core-shell emulsion; naturally cooling the core-shell emulsion, adjusting the pH to 7-8 with ammonia, and filtering to obtain a peelable emulsion. The method for preparing a peelable emulsion provided in this disclosure aims to overcome problems such as weakened peelable coating performance caused by excessive use of release agents.

The application provides a peeling device for photovoltaic module disassembly and photovoltaic module disassembly equipment, and relates to the technical field of photovoltaic module recycling, comprising a horizontal frame, wherein a heating plate is arranged on the horizontal frame; a support beam frame is arranged above the heating plate; the support beam frame is connected with the horizontal frame through a horizontal moving assembly; a component fixing beam is arranged on the support beam frame; a tool seat and a tool seat moving unit are arranged on the component fixing beam, the tool seat moving unit drives the tool seat to move left and right along the component fixing beam, a peeling knife is fixedly connected to the tool seat; a guide knife is fixedly connected to the bottom of the component fixing beam, and the blade of the guide knife is located above the blade of the peeling knife. The photovoltaic module disassembly equipment comprises the peeling device for photovoltaic module disassembly. The peeling device for photovoltaic module disassembly can not only completely peel the crystalline silicon cell layer, but also improve the peeling speed, so that the peeling device has the advantages of good peeling effect and high peeling efficiency.

The application belongs to the technical field of etching liquid, and particularly relates to a photoresist stripping liquid for OLED, a preparation method and application thereof. The photoresist stripping liquid comprises, with the total mass of the formula being 100%, 1-10% of organic alcohol amine, 2-5% of amidino compound, 0.1-3% of polyol, 0.01-0.2% of betaine type corrosion inhibitor, and the rest is organic solvent. The photoresist stripping liquid for OLED has excellent stripping performance and good protection effect on the Al layer. The photoresist stripping liquid is particularly suitable for stripping requirements of OLED devices containing Al, can safely strip the photoresist which is cross-linked and carbonized after solidification, and at the same time protects the Al process in the OLED device from being corroded, and has good application prospect.

This invention relates to the field of wastewater treatment technology, and in particular to a microfiltration wastewater treatment device for industrial wastewater turbidity removal. The device includes a treatment cylinder and an L-shaped wastewater pipe installed at the top of the treatment cylinder. A swinging filter assembly is installed at the top inner part of the treatment cylinder. The swinging filter assembly shakes and filters the wastewater. The swinging filter cartridge within the swinging filter assembly swings and moves the filtered impurities. During the swinging process, the swinging filter assembly throws out the wastewater while simultaneously causing the filtered impurities to flow. This invention achieves dynamic separation through swinging filtration, combined with real-time self-cleaning via rotating scraping. The filter cartridge is automatically cleaned by a torsional brush assembly. A fixed filter cartridge with a blocking filter assembly effectively blocks filtration and also possesses a self-cleaning function. This allows for the simultaneous and continuous execution of filtration and cleaning processes, significantly improving wastewater turbidity removal efficiency and the stability and durability of the equipment operation.

The present invention relates to a copper surface passivation composition, comprising 4-(2-pyridineazo) resorcinol and glucosamine derivatives, and also relates to a photoresist stripper containing same and a method for cleaning a copper substrate. The copper surface passivation composition provides a good copper passivation protection performance, so that the copper surface passivation composition can be used for photoresist removal and copper surface passivation protection in a bumping process of semiconductor back-end packaging with good industrial application prospects and promotion potential in the technical field of microelectronics.

The utility model discloses an electrolytic manganese cathode plate beating device which comprises hammer plates symmetrically arranged on the two sides of a cathode plate, a beating hammer head and a cushion hammer head are alternately arranged on the hammer plate on each side, and the height of the beating hammer head is larger than that of the cushion hammer head. And the striking hammer heads and the cushion hammer heads on the hammer plates on the two sides are distributed in a complementary manner by taking the symmetric central plane of the cathode plate as a reference, so that a multi-point combined striking structure is formed. The hammer plate is connected with the driving mechanism through a flexible connecting assembly, and the flexible connecting assembly comprises a plurality of elastic supporting arms and is used for self-adaptively adjusting the contact and stress state between the hammer head on the hammer plate and the cathode plate. According to the utility model, the two sides of the cathode plate are simultaneously knocked, so that the cathode plate can be ensured to deform when being knocked, the deformation can be controlled within an elastic deformation range, the cathode plate is protected from plastic deformation, the service life of the cathode plate is protected and prolonged, and the stripping effect is better.

The invention provides flexible knitted peelable cloth and a preparation method and application thereof.The flexible knitted peelable cloth comprises two surface layers and a spacing layer arranged between the two surface layers, yarn of the spacing layer penetrates and is connected between the two surface layers to form the three-dimensional spacing layer, and yarn of at least one surface layer comprises PTFE fiber filaments; through the structural design and limitation of yarn types, the obtained flexible knitted peelable cloth has excellent peelability and gas conductivity, is very suitable for being used in an autoclave forming process of a composite material, and can effectively improve the forming effect of the obtained composite material.

The invention discloses a method for preparing a carboxylic acid functionalized two-dimensional covalent organic framework nanosheet in an alcoholamine-propylene carbonate solution. The specific steps are: using propylene carbonate as a solvent and an alcoholamine compound as a solute to prepare an alcoholamine-propylene carbonate solution system, and using the system as a dispersing stabilizing liquid for exfoliating bulk materials; adding bulk materials QL-COF-2, HOOC-COF1 or TpPa-(COOH) 2 The nanosheets are placed in a dispersion stabilizing liquid, wherein the alcoholamine compound is used as an intercalating agent to enter the interlayer of the bulk material, and the nanosheets are peeled off under the assistance of ultrasound, and the dispersion liquid is centrifuged and washed and dried to obtain carboxylic acid functionalized two-dimensional covalent organic framework nanosheets. The present invention can simply, efficiently and on a large scale prepare carboxylic acid functionalized two-dimensional covalent organic framework nanosheets; the present invention can stably exist for a long time in the alcoholamine-propylene carbonate solution system, and the nanosheets obtained during the ultrasound assistance process are not easy to precipitate.

The utility model discloses an adjustable packaging peeling tool, which belongs to the field of cable peeling equipment and comprises a supporting seat, a roller is arranged in the supporting seat, a wrench connecting piece is arranged on the left side of the roller, a blade and a limiting plate are arranged on the front side and the rear side of the roller respectively, and a tensioning assembly is arranged above the roller. A handle is arranged on the top face of the supporting base. According to the utility model, the roller is driven by the electric wrench to rotate, so that the roller rotates to enable a packaging pipe cable to enter, the blade peels off a packaging layer outside the cable, harder materials can be peeled off, and the peeling effect is good; the gap between the tensioning wheel and the rolling wheel is adjusted through the tensioning assembly, the feed amount is changed by adjusting the upper gap and the lower gap, and therefore the stripping size is adjusted. The utility model has the advantages of compact layout, small volume, convenience and rapidness in carrying, electric wrench driving, time and labor saving, high working efficiency and reduced labor intensity of workers.

A release agent composition comprising (A) an alkyd resin having a hardness of 8-30 MPa, (B) an amino resin, and (C) an organopolysiloxane having, in one molecule, two or more functional groups that can be chemically bonded to one or more resins selected from the group consisting of component (A) and component (B), has good peelability and reusability, and has an excellent surface state of a coating film of a release agent.

The invention discloses a pure adhesive film and a preparation method thereof. The pure adhesive film comprises the following raw material components in parts by mass: 15-40 parts of low-Tg saturated polyester resin; 10 to 35 parts of high Tg saturated polyester resin; 5 to 20 parts of epoxy resin; 0.1-5 parts of a curing agent; 0.01 to 1 part of an accelerant; 10 to 30 parts of a flame retardant; 0.1 to 1 part of a coupling agent; 40 to 110 parts of a solvent; wherein the Tg value of the low-Tg saturated polyester resin is-10 DEG C to 20 DEG C; and the Tg value of the high Tg saturated polyester resin is 50-80 DEG C. The prepared pure adhesive film is excellent in stripping performance, shearing performance and aging resistance, and extremely low in moisture absorption rate.

The invention relates to a household multifunctional water-based strippable antiviral coating composition and a preparation method and application thereof, and belongs to the technical field of decorative coatings, and the household multifunctional water-based strippable antiviral coating composition is prepared by adopting acrylic acid strippable resin and adding other raw materials such as a nano antibacterial material. The household multifunctional water-based strippable antiviral coating composition disclosed by the invention is suitable for protecting base material surfaces which are frequently contacted with household, hospital facilities, public facilities and stone surfaces, and solves the technical problem that a strippable coating also has strippability on rough surfaces (such as wall surfaces, stone, wood and other base materials with mineral ions); the product also has the characteristics of efficient anti-virus function, excellent peelability, excellent protective property, greenness, safety and the like, and can meet the individual multi-aspect requirements of consumers.

[Problem] To provide a laminate in which both the peelability and the adhesiveness of a resin layer to a second film are good under conditions in which the ambient temperature of the periphery of the laminate rises to a certain temperature (particularly, around 40°C), a cured product of the resin layer in the laminate, an electronic component having the cured product, and a method for forming the cured product. [Solution] A laminate comprising, in this order, a first film, a resin layer, and a second film, the resin layer comprising: (A) an alkali-soluble resin, (B) a multifunctional photopolymerizable monomer, (C) a photopolymerization initiator, and (D) a thermosetting resin, the peel strength of the second film to the resin layer at an ambient temperature of 40°C being 0.4 to 1.5 N / cm.

The invention relates to the field of water-based MLCC ceramic slurry tape casting process, in particular to a release coating agent, a release film and application thereof.The release coating agent comprises a polymer with hydrophilic groups and a cross-linking curing agent, the polymer at least comprises one hydrophilic group of amino, hydroxyl and hydroxymethyl, and the cross-linking curing agent is a cross-linking curing agent. The release coating agent can be coated and cured on the surface of the base material layer to form a release layer of a release film, so that the water-based MLCC ceramic slurry can better wet the surface of the release layer, the interaction force between the slurry and the release layer is enhanced, and the interfacial property between the release layer and the slurry is optimized so as to achieve the optimal stripping performance and slurry forming quality; and the water contact angle on the surface of the release layer can be controlled to be 80-96 degrees by adjusting the molar ratio of different hydrophilic groups in the release coating agent so as to adapt to the casting process of different water-based MLCC ceramic slurry.

This application discloses an aqueous stripping solution, its preparation method, and its application, belonging to the field of photoresist technology. The aqueous stripping solution comprises amines, alcohol ether solvents, polyols, surfactants, and metal resists. The amines swell the photoresist, the alcohol ether solvents have good permeability, significantly reducing the adhesion between the photoresist and the substrate, and the surfactants reduce the surface tension at the photoresist-substrate interface. Combining the amines, alcohol ether solvents, and surfactants enhances the penetration efficiency of the stripping solution into the photoresist, accelerates the photoresist stripping rate, and thus improves the photoresist stripping effect, thereby increasing product yield. Furthermore, the polyols can form hydrogen bonds with hydrogen atoms in water molecules, binding water molecules, reducing water evaporation, and maintaining high stability of the stripping solution during heating, extending its service life. In addition, the metal resists reduce damage to the metal substrate caused by the stripping solution.

The invention relates to the technical field of copper-clad plates, in particular to a high-stripping low-dielectric hydrocarbon resin glue solution and a preparation method thereof, a prepreg and a copper-clad plate, the hydrocarbon resin glue solution comprises the following components: a pre-crosslinking system, 1-iodonaphthalene modified polybutylene, hydrocarbon resin, an inorganic filler, an initiator, an accelerant and a solvent; the pre-crosslinking system is a product obtained by modifying a mixed solution of polyphenyl ether and polybutylene with a modifier. The copper-clad plate prepared from the hydrocarbon resin glue solution provided by the invention has high peel strength, low dielectric property, high temperature resistance and flame retardant property, and has a wide application prospect in the technical field of copper-clad plates.

The present invention relates to a preparation process of an ultra-clean fusible polytetrafluoroethylene joint, and belongs to the technical field of ultra-clean plastic joints. It mainly includes the following steps: S1, PFA material pretreatment; S2, mold surface treatment; S3, extrusion; S4, injection molding and rapid and uniform heating and rapid solidification through high-temperature and high-pressure steam treatment; S5, pressure holding; S6, demolding; S7, heat treatment to eliminate the internal stress caused by the PFA joint molding process and improve the mechanical properties of the PFA joint; S8, post-treatment. The preparation process of the present invention is simple, and the prepared fusible polytetrafluoroethylene joint has good cleanliness, low metal ion precipitation rate, low microparticle precipitation rate, and the joint has good hardness, dimensional precision, and anti-penetration performance.