59 results about "Polyphenylsulfone" patented technology

The invention relates to the technical field of composite membranes. The invention provides a diaphragm for alkaline electrolyzed water and a preparation method thereof.The diaphragm for alkaline electrolyzed water comprises a base membrane and a coating arranged on at least one side of the base membrane, and the coating is prepared from inorganic particles, a first binding agent, a second binding agent, a pore forming agent, an organic solvent and a cross-linking agent; and the second type of binder comprises one or more of halogen methylated polysulfone, halogen methylated polyethersulfone and halogen methylated polyphenyl sulfone. The diaphragm for alkaline electrolyzed water, provided by the invention, has excellent toughness and relatively low internal resistance at the same time.

The invention provides a brominated flame-retardant polybutylene terephthalate composite material and a preparation method thereof. The brominated flame-retardant polybutylene terephthalate composite material is prepared from the following components in parts by weight: 27 to 58 parts of polybutylene terephthalate resin, 1 to 15 parts of polyether sulfone resin, 13 to 42 parts of a reinforcing agent, 10 to 20 parts of a brominated flame retardant and 2 to 8 parts of a flame-retardant synergist, the polyarylether sulfone resin is selected from polyphenyl sulfone and / or polyethersulfone. According to the brominated flame-retardant polybutylene terephthalate composite material and the preparation method thereof, the specific composition of the brominated flame-retardant polybutylene terephthalate composite material is designed, and the brominated flame-retardant polybutylene terephthalate composite material with excellent comprehensive performance is prepared through the matching effect of the specific polyether sulphone resin and other components; under the conditions of high temperature and high humidity, the mechanical strength retention rate is relatively high, the shrinkage rate is small, and meanwhile, the flame retardance and the tensile property are relatively high.

The invention discloses a composite ultrafiltration membrane based on polyethersulfone compounds and polyvinylidene fluoride as well as a preparation method and application of the composite ultrafiltration membrane, and is applicable to the technical field of ultrafiltration membranes. The ultrafiltration membrane is composed of a non-woven fabric matrix and a 30-200 micron coating layer, wherein the coating layer is formed by cross-linking sulfonated polyaryletherketone (SPEEK) or sulfonated polyethylene sulfone with polyvinylidene fluoride (PVDF) and a membrane pore regulating material. The preparation method comprises the following steps: dissolving 5-30 parts of 5-50g / L polyethersulfone compound with sulfonation degree, 100-300 parts of PVDF (polyvinylidene fluoride) and 2-60 parts of pore-foaming agent in a polar solvent, stirring to form a membrane casting solution, and carrying out phase inversion after coating. The membrane has remarkable hydrophilicity (the Zeta potential reaches-52.4 millivolts) and anti-pollution characteristics. Through electrostatic repulsion of a sulfonic acid group and a synergistic effect of a hydrophilic-hydrophobic microphase structure, high flux, long service life and efficient pollutant interception are realized.

The invention relates to the technical field of sealing materials, in particular to a polytetrafluoroethylene-filled sealing piece special for a shaft seal of an automobile air conditioner compressor and preparation and application of the polytetrafluoroethylene-filled sealing piece. The invention provides a special filled polytetrafluoroethylene sealing fin for a shaft seal of an automobile air conditioner compressor, and the filled polytetrafluoroethylene sealing fin is prepared from the following raw materials in parts by weight: modified polytetrafluoroethylene micro powder, polyphenyl sulfone and molybdenum disulfide fine powder. The polytetrafluoroethylene-filled sealing fin provided by the invention has various technical characteristics of wear resistance, self-lubrication, corrosion resistance, aging resistance, high and low temperature resistance, creep resistance and the like. The sealing piece can meet the use requirement of a shaft seal of the automobile air conditioner compressor, the leakage rate of Freon is reduced while the sealing performance is guaranteed, the sealing piece can stably work at high temperature / low temperature for a long time, the friction coefficient is low, abrasion to a main shaft of the air conditioner compressor can be reduced, and the service life is prolonged.

The invention relates to the technical field of chemical and biological separation, and discloses a plasma blood cell semi-automatic settling separation device which comprises a device body, the device body is made of polytetrafluoroethylene, polyvinylidene fluoride or polyphenyl sulfone, the device body is of a fusiform structure, the interior of the device body is hollow, a double-layer magnetic suspension head is arranged in the device body, and the double-layer magnetic suspension head is arranged in the device body. The top end and the bottom end of the device body are respectively provided with an energizable electrode magnetic field for adjusting the position of the double-layer magnetic suspension head, and the device body is composed of an upper-layer main body part and a lower-layer main body part which are detachably connected. According to the semi-automatic settling separation device, blood coagulation activation can be avoided; the double-layer magnetic suspension head is designed to monitor the liquid level in real time and change the height of the floating head in time through an external magnetic field, plasma is rapidly and effectively separated, and manpower and material resource investment is reduced; due to multiple interfaces, the injection and collection efficiency of whole blood, plasma and blood cells is higher; the buffer liquid injection pipeline is inclined, so that mechanical damage to blood cells caused by injection is avoided.

The invention discloses a high-flowability and flame-retardant polyphenyl sulfone / polycarbonate alloy and a preparation method thereof. Polyphenyl sulfone is compounded with polycarbonate to reduce the viscosity of the whole product, and then polysulfone resin is utilized to improve the thermodynamic compatibility of the polyphenyl sulfone and the polycarbonate; glass flake filler is ingeniously adopted to improve the flame retardance of the alloy, and finally the high-flowability flame-retardant polyphenyl sulfone polycarbonate alloy material is obtained and can be widely applied to the field of aviation.

The present invention provides a film that exhibits better slipperiness, maintains sufficient durability under high temperature and high humidity conditions, and has improved mechanical properties compared to a film made solely of PPSU, and a reinforcing member for the electrolyte membrane of a polymer electrolyte fuel cell or polymer electrolyte water electrolysis using this film. [Solution] A film comprising 6 to 94 parts by mass of polyphenylsulfone and 94 to 6 parts by mass of polysulfone, wherein the arithmetic mean height (Sa) of at least one surface is 6.0 to 17.5 nm.

Magnet wire including extruded insulation formed from a blend of different polymeric materials is described. A magnet wire may include a conductor and insulation formed around the conductor. The insulation may include base enamel insulation and at least one layer of extruded insulation formed from a blend of at least three different polymeric materials. The enamel insulation may include either filled polyimide or filled polyamideimide. For the blend, a first polymeric material, such as polyetheretherketone, may have a thermal index above 240° C. Second and third polymeric materials, such as polyphenylsulfone and polyethersulfone, may have lower thermal indexes.

The invention relates to the technical field of new materials, in particular to a preparation method and application of a corrosion-resistant chain plate ring composite material suitable for a nonmetal chain, and the corrosion-resistant chain plate ring composite material comprises the following raw materials in parts by weight: 90-100 parts of epoxy resin, 5-10 parts of a diluent, 0.5-1.5 parts of a dispersing agent, 20-25 parts of a curing agent and 20-30 parts of filler. According to the invention, glass flakes in the base material are subjected to activation, sensitization and catalysis treatment, and the fiber material is formed by compounding polymers such as polyvinylidene fluoride, nylon 6 and polyphenyl sulfone with inorganic reinforcing phases such as silicon carbide whiskers, nano aluminum oxide and nano silicon dioxide, so that high dispersion and stable existence of a filler in epoxy resin are ensured; therefore, the permeation path of a corrosive medium is blocked, the corrosion resistance of the composite material is remarkably improved, and the service life of the composite material is remarkably prolonged.

The invention discloses a PPSSO fiber-based lithium battery composite diaphragm and a preparation method thereof. According to the method, PPSSO chopped fibers and different fiber pulps are used as raw materials, the PPSSO chopped fibers and the pulps are dissociated and dispersed, a wet papermaking process is adopted for sheet making and forming, diaphragm body paper is treated through a hot pressing process, the PPSSO fiber-based lithium battery composite diaphragm is prepared, the composite diaphragm is modified through a solution grafting method, and the composite diaphragm is prepared. The mechanical property and the electrochemical property of the composite diaphragm are enhanced. The preparation method of the PPSSO fiber-based lithium battery composite diaphragm provided by the invention is simple, and the prepared PPSSO fiber-based lithium battery composite diaphragm has the characteristics of high temperature resistance, flame retardance, corrosion resistance, wettability, excellent stability and the like. The lithium ion battery has a wide application prospect in lithium battery products, and the safety performance, the rate capability and the cycle performance of the lithium battery can be effectively improved.

The present disclosure provides a valve that includes a valve body formed from polyphenylsulfone (PPSU) or polyether ether ketone (PEEK), and a diverter formed from PPSU or PEEK, wherein the valve body and the diverter are not both PPSU. The disclosure also provides a container that includes a receptacle configured to hold radioactive microparticles, and a valve. The receptacle includes a sealable inlet configured to accept a dose of the microparticles, and an outlet for the microparticles. The valve is in fluid communication with the outlet of the receptacle. The valve may be a 3-way valve and / or may have a valve body formed from PPSU or PEEK, and a diverter formed from PPSU or PEEK, wherein the valve body and the diverter are not both PPSU.

The application belongs to the technical field of membrane separation, and particularly relates to a small-aperture high-flux ultrafiltration membrane and a preparation method and application thereof. Polymer material, an additive and an organic solvent are mixed, constant-temperature stirring and standing defoaming are performed to obtain a casting solution, and then a non-solvent phase separation method is used to prepare the ultrafiltration membrane. The polymer material comprises polyethersulfone and sulfonated polyphenylsulfone with a mass ratio of 95:5-80:20, and the additive is polyethylene glycol. The rejection rate of the ultrafiltration membrane to bovine serum albumin (BSA) is above 99%, the rejection rate of direct red 23 and coomassie brilliant blue and other dyes can be above 96%, and the pure water permeability is 310 L·m ‑2 ·h ‑1 ·bar ‑1 , which has a wide application prospect in the fields of antibody protein purification and concentration, dye desalination and nanoscale pollutant treatment in wastewater.

The present invention provides a film having good slipperiness, sufficiently maintained durability under high temperature and high humidity, and improved mechanical characteristics as compared with a film of PPSU alone, and provides a reinforcing member that is for electrolyte membranes for solid polymer electrolyte fuel cells or solid polymer electrolyte water electrolysis and that uses said film. The present invention relates to a film containing 6-94 mass parts of polyphenylsulfone and 94-6 mass parts of polysulfone, the arithmetic average height (Sa) of at least one surface being 6.0-17.5 nm.

In order to obtain a polyphenylene sulfide fiber having hygroscopicity while maintaining the excellent heat resistance and chemical resistance of polyphenylene sulfide, a method for producing the polyphenylene sulfide fiber, a woven or nonwoven fabric containing the polyphenylene sulfide fiber, a diaphragm for alkaline water electrolysis, and an electrolytic cell for alkaline water electrolysis, the polyphenylene sulfide fiber of the present invention includes polyphenylene sulfide as a main component, and has a dispersed phase of at least one thermoplastic resin selected from polyphenylene ether, polycarbonate, polyether sulfone, polyphenylene sulfone, polyether imide, and polysulfone, and the average dispersion diameter of the dispersed phase is 0.01-5 μm.

The application discloses a polycarbonate composition and a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polycarbonate composition has good resistance to gamma-ray irradiation, and is prepared from alkyl phenol-terminated polycarbonate with good resistance to gamma-ray irradiation as a base resin and polyphenylsulfone with good resistance to irradiation, and has better resistance to gamma-ray irradiation, and also has good mechanical properties, and is suitable for preparing medical devices.

The invention relates to the technical field of engineering plastics, and discloses a modified engineering plastic and a preparation method thereof.The preparation method comprises the steps that S1, polyphenyl sulfone resin and functional filler are sequentially added into double-screw melt blending equipment, mixing is conducted under preset conditions, and premixed master batches are obtained, the functional filler comprises an interface bonding strength enhancing unit, a crosslinking unit and a thermal expansion coefficient adjusting unit; and S2, spraying a dilute solution containing a functional auxiliary agent on the premixed master batch at a preset temperature, drying and curing the dilute solution on the surface of the premixed master batch through hot air, stretching in a stretching machine head, and annealing to obtain the functional aggregate with interfacial activity and a surface oriented structure. According to the modified engineering plastic and the preparation method thereof, the bonding strength, the use stability and the environment durability and reliability of the molten modified engineering plastic and an aluminum alloy material are improved by reducing the thermal cycling stress and the mechanical interlocking performance and keeping the consistency of the modified engineering plastic.

The present invention relates to a bone cement injection device and, more specifically, to a bone cement injection device comprising: a bone cement injection tool; and a syringe for injecting bone cement. The syringe for bone cement injection of the present invention uses polyphenylsulfone as a main component such that even when filled with bone cement used in bone-related surgery, the syringe does not undergo deformation and does not release carcinogens, thereby enabling safer use. In addition, the scale of the syringe for bone cement injection of the present invention is displayed as an engraved marking rather than with conventional xylene dye, such that the scale is not erased by organic solvents that dissolve bone cement and does not cause carcinogens, thereby providing a safe syringe for bone cement injection.

The present invention relates to the technical field of shape memory composite materials, and particularly to an antibacterial polyetheretherketone / polyphenylsulfone triple shape memory composite material, which comprises a resin and an antibacterial agent; the resin is composed of PEEK and PPSU in a mass ratio of 70:30 to 50:50; its preparation method comprises the following steps: mixing PEEK and PPSU evenly to form a melt blending system, adding an antibacterial agent thereto, first performing melt spinning, and then cooling and solidifying the filament to obtain a fibrous antibacterial polyetheretherketone / polyphenylsulfone triple shape memory composite material; by designing and adjusting the proportions among PEEK, PPSU and the antibacterial agent, the prepared composite material has a good triple shape memory effect, and the proportions among the three can regulate the shape memory temperature and antibacterial effect, so that the composite material can respond to different temperature stimuli and return from multiple preset temporary shapes to the initial shape.

The invention discloses a polyphenyl sulfone sulfoxide fiber-based composite insulation paper and a preparation method thereof, and the polyphenyl sulfone sulfoxide fiber-based composite insulation paper is prepared by taking polyphenyl sulfone sulfoxide fibers and various fiber pulps as main raw materials and adopting a wet molding combined hot pressing process. According to the invention, a polydopamine coating is formed on the surface of the fiber through dopamine modification, so that a hydrogen bond binding mechanism is introduced into the modified polyphenylsulfone sulfoxide chopped fiber, the mechanical property of the composite insulation paper is enhanced, and the modified carbon nitride nanoparticles are introduced as a filler to improve the compactness of the composite material and enhance the electrical insulation property of the composite insulation paper. The polyphenyl sulfone sulfoxide fiber-based composite insulation paper prepared by the invention has the characteristics of excellent mechanical property, high electrical insulation, high temperature resistance, corrosion resistance, flame retardance and the like. Meanwhile, the preparation method is low in raw material cost, short in technological process and easy and convenient to operate, the industrial production cost can be effectively reduced, and industrial production and practical application of the insulation paper are promoted.

Method of manufacturing Near-Field wireless communication antennas using textile materials, involving embroidering a laser-induced graphene (LIG) yarn into a fabric (4, fig 2b) (e.g. dialectric) accor

[Problem] To provide a method for decomposing a synthetic resin containing at least one of polysulfone, polyphenylsulfone, polyethersulfone, polyether ether sulfone, or polyether ether ketone. [Solution] A synthetic resin, a base, an organic solvent, and at least one of methanol, ethanol, isopropyl alcohol, tert-butyl alcohol, butanol, pentanol, hexanol, heptanol, octanol, nonanol, decanol, 2-ethylhexanol benzyl alcohol, 2-phenylethyl alcohol, phenol, cresol, 4-tert-butylphenol, 4-methoxyphenol, hydroquinone, bisphenol A (2,2-bis(4-hydroxyphenyl)propane), or bisphenol S (bis(4-hydroxyphenyl)sulfone) are mixed.

The present application relates to the field of self-lubricating fabric, disclose a kind of sulfonated polyphenyl sulfone impregnated self-lubricating fabric composite and its preparation method, by PTFE / aramid fabric as matrix fiber, with sulfonated polyphenyl sulfone as matrix reinforcing resin, with evenly dispersed carbon shell microcapsule, graphite powder, whisker carbon tube as performance enhancement phase, significantly enhance the mechanical properties of gasket composite, thermodynamic properties, improve the tribological properties of composite under high load, high temperature and other environments.The preparation method uses two-step method, first by impregnating fabric to increase the mechanical properties of fiber, second by adding reinforcing additive to improve the tribological properties of fabric under high temperature, heavy load environment.

This makes it possible to obtain polyarylene sulfide fibers that have excellent hydrophilicity while maintaining excellent heat resistance and chemical resistance. [Solution] A fiber characterized in that it is made from polyphenylene sulfide and at least one thermoplastic resin selected from polyphenylene ether resin, polycarbonate resin, polyethersulfone resin, polyphenylene sulfone resin, polyetherimide resin, and polysulfone resin, and at least a portion of the thermoplastic resin is exposed on the surface.

A method includes preheating a feedstock film of polysulfone (PSU), polyphenylsulfone (PPSF or PPSU) or polyethersulfone (PES) in an oven at a temperature of 350 DEG F to 450 DEG F for 30 to 200 seconds to produce a moisture-free film, the feedstock film being in the form of a web, sheet or disc, cutting the moisture-free film into pieces, and thermoforming each moisture-free piece to produce an orthodontic appliance.

The invention discloses a polycarbonate composition as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polycarbonate composition provided by the invention takes alkylphenol-terminated polycarbonate with good gamma-ray irradiation resistance as matrix resin, and is compounded with polyphenyl sulfone with good irradiation resistance, so that the polycarbonate composition has better gamma-ray irradiation resistance and good mechanical properties, and is suitable for preparing medical instruments.

The invention discloses a temperature-resistant and durable wafer loader material and a preparation method and application thereof, and belongs to the technical field of semiconductor equipment materials. The temperature-resistant and durable wafer loader material is prepared from the following components in parts by weight: 100 to 120 parts of polyvinylidene fluoride, 30 to 60 parts of polyether-ether-ketone, 15 to 20 parts of modifier, 10 to 20 parts of compatilizer, 1 to 3 parts of antioxidant, 6 to 10 parts of conductive filler and 3 to 5 parts of lubricant, the modifier is a polyvinylidene fluoride-polyethylene sulfone block polymer, and the mass ratio of a polyethylene sulfone block to a polyvinylidene fluoride block in the block polymer is (1.2-1.8): 1. By limiting the components of the material of the wafer loader, the wafer loader still has good temperature resistance and durable usability under the condition of ensuring corrosion resistance and static electricity resistance, and is beneficial to reducing the equipment cost of semiconductor production and improving the production efficiency and production safety.

A translucent magazine may be formed from a mixture of Polyetherimide (PEI) and at least one of the following: Polyphenylsulfone (PPSU), Polyethersulfone (PES) and Polysulfone (PSU). The follower, floor plate, and follower spring may be opaque.

Magnet wire including extruded insulation formed from a blend of different polymeric materials is described. A magnet wire may include a conductor and insulation formed around the conductor. The insulation may include at least one layer of extruded insulation formed from a blend of at least three different polymeric materials. A first polymeric material, such as polyetheretherketone, may have a thermal index above 250° C. Second and third polymeric materials, such as polyphenylsulfone and polyethersulfone, may have lower thermal indexes.

A translucent magazine for a firearm may be formed from a mixture of Polyetherimide (PEI) and at least one of the following: Polyphenylsulfone (PPSU), Polyethersulfone (PES) and Polysulfone (PSU). The translucent magazine including a follower, floor plate, and a follower spring. The follower being opaque. The follower residing within a casing.

The application belongs to the technical field of membrane separation, and particularly relates to a small-aperture high-flux ultrafiltration membrane and a preparation method and application thereof. Polymer material, an additive and an organic solvent are mixed, constant-temperature stirring and standing defoaming are performed to obtain a casting solution, and then a non-solvent phase separation method is used to prepare the ultrafiltration membrane. The polymer material comprises polyethersulfone and sulfonated polyphenylsulfone with a mass ratio of 95:5-80:20, and the additive is polyethylene glycol. The rejection rate of the ultrafiltration membrane to bovine serum albumin (BSA) is above 99%, the rejection rate of direct red 23 and coomassie brilliant blue and other dyes can be above 96%, and the pure water permeability is 310 L·m ‑2 ·h ‑1 ·bar ‑1 , which has a wide application prospect in the fields of antibody protein purification and concentration, dye desalination and nanoscale pollutant treatment in wastewater.