These thermally stable polymers are used in electronic connectors, circuit boards, sterilizable items, and appliance covers. Medical polysulfones suppliers medical device component. It shows good electrical properties and reasonable hydrolytic stability. Failure analysis of a polysulfone flow sensor body a. Locate and doubleclick the text file that you want to open. According to the chemical definition, the term polysulfone comprises simply a group of polymers containing a sulfone group and alkyl or aryl groups. Chemical and biomolecular engineering, georgia institute of technology, atlanta, georgia 303320100, usa article info article history.
Practical failure analysis volume 12 april 2001 49 failure analysis of a polysulfone flow sensor body a case study jeffrey a. Use features like bookmarks, note taking and highlighting while reading functionalized polysulfones. Quadrant epp physical properties metric english comments specific gravity 1. Copolymers of polysulfones have potential in medical application to be used as an artificial membrane to remove co2 and perfuse with o2. Polysulfone, introduced by union carbide in 1965, was among the first thermoplastics developed for long term service beyond 300 degrees f 149 degrees c. The present invention provides a thermoplastic resin composition comprising a polysulfone a having oxygencontaining groups selected from among hydroxyl groups and oxyanion groups, a fluororesin b and a thermoplastic resin c other than the polysulfone a and the fluororesin b. Received 24 october 2008 received in revised form 27. Polysulfone natural plate sheet and rod by ensinger. The majority of commercial membranes are made of a wide variety of organic polymers. Polysulfone, any of a class of resinous organic chemical compounds belonging to the family of polymers in which the main structural chain most commonly consists of benzene rings linked together by sulfonyl. Automotive applications of polysulfone polysulfone has found growing usage in automotive applications.
They can be treated more properly as polysulfones when the so 2 group plays a. Udel polysulfone psu is a rigid, highstrength, semitough thermoplastic that has a heat deflection temperature of 345f 174c, and maintains its properties over a wide temperature range. A molecular dynamics simulation study of three polysulfones in dry. Use nitros industryleading pdf to excel converter to create better quality doc files than the alternatives. A capacitive parallel flat is formed on a glass substrate with a layer of polysulfone placed be. Polysulfone is a popular material for tight tolerance and high heat. The thiols and hexahydrotriazines may be polymerized to form a polythioether. Psu can be molded into a variety of forms and is often used to create transparent, rigid components for use in the manufacture of medical devices like heart valve sizers and dialysis filtration cartridges.
Structurerheology relationship in complex quaternized. All data will retain its original format, including every sheet, table, row, and. Polysulfone properties remain relatively consistent over a broad range of temperatures, from 150f to 300f, and this material is suitable for applications where autoclavability is required. Pdf or denotes a file in adobes portable document format. Test our web service or api or enquire about our enterprise solutions. Rigid amber semi transparent plastic with excellent steam resistance that is autoclavable and fda compliant. Some major applications of polysulfone with its related key features have been discussed below.
Inorganic ceramic membranes based on oxides of zirconium, titanium, silicium and aluminum have been developed. Date hs code description origin country port of discharge unit quantity value inr per unit inr oct 03 2016. Polysulfone patents and patent applications class 525906. All information recommendations and suggestions appearing herein concerning this product are based upon data obtained from the manufacturer andor recognized technical sources. The thiols may be, for example, dithiols, trithiols, monothiols, or mixtures thereof.
Tecason s polysulfone natural plate sheet and rod by ensinger. Designed for use in fda recognized devices, it also passed all test of the u. Polysulfone in its natural color is a transparent yellowish color and is known for its high thermal and mechanical capacity. Abstract aromatic polysulfones are a family of polymers produced from the condensation polymerization of 4,4dichlorodiphenylsulfone with. Very few polymers can match this high temperature performance polysulfone can be used upto 150 degree c, whereas polyethersulfone can be used upto 200 degree c. Due to the high cost of raw materials and processing. They are hydrolytically, thermally, and oxidatively stable and are unaffected by oil or grease. By molding the composition, a molded article with high. Convert pdf to excel online for free pdf to excel converter.
Continuous use temperature, according to ul method 746, is 302 degrees f 150 degrees c for 40% glass reinforced polysulfone. Polysulfone membrane syringe filters syringe filters. It complies with the national sanitation foundations. The translucent amber psu sheet has a standard tolerance and meets american society for testing and materials astm d6394 specifications. Polysulfone polysulfone psu rods, sheets order online. Batch convert pdf, set up custom conversion templates. Psu polysulfone is a durable, rigid plastic that combines high strength, good impact resistance, low moisture absorption, and minimal deformation caused by creep.
Miscibility behavior of polybenzimidazolesulfonated. How to export pdf files from acrobat to excel, and excel. Membranes are semipermeable barriers that allow certain substances such as water to pass through, while other substances like bacteria and viruses are selectively separated and not allowed to pass through. A commonly used pes is formed by a polycondensation reaction of a sulfonyl chloride and diphenyl ether to produce macromolecules with the repeat unit depicted in fig. Only all such polymers, which additionally contain isopropylidene groups, are termed polysulfones fresenius polysulfone, helixone, asahi polysulfone, toraysulfone. Polymers containing the sulfonyl unit together with different functional groups e. Polysulfones are resistance to aqueous acid and alkaline. Polysulfone see ad data page sheets, trade name no. Panjiva uses over 30 international data sources to help you find qualified vendors of polysulfones. Polysulfone s excellent combination of properties along with its cost effectiveness has made it an ideal thermoplastic in diverse markets. Resistance to hydrolysis at high temperature and to most acids, alkalies and non polar organic solvents is excellent, but the resin may however be. An efficient method for introducing primary amine groups onto the aromatic chain article pdf available in macromolecules 2823 november 1995 with. Rtp 900 polysulfone psu product data sheet rtp company. It complies with the national sanitation foundations potable wander.
List 2 htsus product description scarbrough international. Technically used polysulfones contain an aryl so 2 aryl subunit. Learn how to convert pdf to excel xlsx using adobe acrobat dc. Polysulfone average m n 22,000 by mo, beads cas number 255517. Previously, we had prepared phosphoruscontaining polysulfones by substitution reaction of chemically modified polysulfone with a phosphoruscontaining compound, namely 9, 10dihydro9oxa10phosphophenanthrene10oxide dopo 27. Synthesis, characterization, and applications kindle edition by silvia ioan. Polysulfones are engineering thermoplastics with desirable properties for use in biomedical applications. Polysulfone psu material data sheet unfilled, extruded astm product data sheet manufacturer.
Polysulfone is a tough, rigid, high strength transparent thermoplastic which maintains its properties over a wide temperature range from 150 degrees f to above 300 degrees f. With this online application, you can quickly export pdf documents into excel files. A block copolymer comprising at least one segment having an acid group which is represented by the following formula 1 and at least one segment substantially free from acid groups which comprises repeating units represented by the following formula 2 is provided. Molecular dynamics md simulations of three polysulfones polyether sulfone pesu, polyphenylene sulfone ppsu and polysulfone psu in. A typical reaction involves reaction of a diphenol with bis4chlorophenylsulfone forming a polyether by elimination of sodium chloride. Anca filimon 1, niculae olaru 1, florica doroftei 1, cristian logigan 2 and simona dunca. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Polysulfone average mn 22,000 by mo, beads sigmaaldrich.
Preparation and characterization of polysulfones containing both. Machining polysulfone means you are working with a thermoplastic group containing both the polysulfones and a few members of the. Us9206289b1 preparation of functional polysulfones. A capacitive parallel flat is formed on a glass substrate with a layer of polysulfone placed between two electrodes. Rheological investigations have reflected the importance of electrostatic interactions, hydrogen bonding, and association phenomena from the ternary systems consisting of a. Polysulfones, or psus, are durable thermoplastic polymers known for their stability at high temperatures. It has become a popular choice for our clients and their applications. Tecason s, unifone, ensifone, thermalux, udel, ultrason and others. Data sheets for these products are generally not available on our website. Rheological investigations have reflected the importance of electrostatic interactions, hydrogen bonding, and association phenomena from the ternary systems consisting of a proton. The polysulfones are prepared from thiols and hexahydrotriazines. Polysulfones and methods for forming polysulfones are disclosed herein.
Polysulfone definition of polysulfone by medical dictionary. Polybenzimidazole pbi and polysulfone psf compose an immiscible polymer pair. Aug 17, 2015 polysulfone, known under several names, has particular properties that make it a good choice for machining plastic parts. Polysulfone, known under several names, has particular properties that make it a good choice for machining plastic parts. Patients used polysulfone membrane in a first step of the study, then they switched to helixone membrane.
Udel excels in many fluidhandling applications and has over 10 years of success replacing brass in pressurized hot water plumbing applications. Polysulfones psu, pesu, ppsu in situations where plastics like polyamide pa, polycarbonate pc, polyacetale pom or polyterephtalate pet, pbt fail to satisfy the necessary technical requirements, high performance plastics like thermoplastic polysulfone come into play. Download it once and read it on your kindle device, pc, phones or tablets. Pdf asymmetric polysulfone gas separation membranes treated. Linear formula c 6 h 44cch 3 2 c 6 h 44oc 6 h 44so 2 c 6 h 44o n. Convert pdf to excel free online pdf to excel converter. Excellent for electrical and electronic, medical instruments and trays. Continuous fiber can be combined with all thermoset and thermoplastic resin systems. The miscibility behavior of a series of blends of pbi with sulfonated psf spsf at various sulfonation levels has been studied by dynamic mechanical analysis. See text import wizard for more information about delimiters and advanced options if the file is a. Polysulfone sheets and films, 12 x 12 to 24 x 48 plates, rolls for films, rigid transparent plastic with excellent steam resistance that is autoclavable and fda compliant. It is the users responsibility to determine the safety, toxicity and suitability.
Polysulfone psu is an amorphous high performance polymer characterized by excellent thermal properties, good resistance to inorganic acids and bases, and outstanding hydrolytic stability against hot water and steam sterilization. Polysulfone round rods are used in medical applications since it is autoclavable. Select export to spreadsheet microsoft excel workbook 3. Select a product number from the table below to view a product data sheet for these materials using polysulfone as the base resin. Such polymers belong to different families at the same time polysulfones, polyethers, polysulfides, etc. Polysulfones are a family of high performance thermoplastics. When you are done with the steps, click finish to complete the import operation. Polysulfones manufacturers suppliers of polysulfones. These polymers are known for their toughness and stability at high temperatures.
Polysulfones are prepared by a polysulfonylation reaction by reacting aromatic sulfonyl halides with phenyl ethers or by the more commercially successful approach of polyestherification process. May 26, 2017 polysulfone plural polysulfones chemistry any of a several classes of thermoplastic polymers whose repeat units contain a sulfone derived terms edit. Anionic polysulfone ionomers and membranes containing. Polysulfone chemical compatibility chart chemical rating 1,4dioxane, pure x 2,2,4trimethylpentane, pure4 a 2,4,6trinitrophenol x 2methoxyethanol x 2propanol, pure4 a acetaldehyde x acetamide x acetic acid, 5% a acetic acid, 10% a acetic acid, 20% a acetic acid, 50%1 a acetic acid, glacial1 a acetic anhydride x acetone, 5% a. Polysulfones sulfonecontaining polymers show high resistance to acids and alkalis.
Pdf asymmetric polysulfone psf gas separation membranes were. It has a high heatdistortion temperature and excellent impact resistance and ductility at very low temperatures. The polythioether may thereafter be oxidized to form a polysulfone. It is used for weaving, braiding, filament winding applications, unidirectional tapes for atl and afp processes and prepreg tow for fiber placement. Oct 21, 2012 polymer chains consisting of watersoluble polysulfones with various amounts of ionic chlorine have been prepared via the quaternization reaction of chloromethylated polysulfones with n,ndimethylethanolamine. Aromatic polysulfones used in sensor applications 91 fig. Polymer chains consisting of watersoluble polysulfones with various amounts of ionic chlorine have been prepared via the quaternization reaction of chloromethylated polysulfones with n,ndimethylethanolamine. To export the pdf from acrobat to excel, open the pdf file. Polysulfone is a selfextinguishing and tough thermoplastic. Get an accurate, customtailored pdf to excel conversion every single time using able2extract. Preparation and characterization of polysulfones containing both hexafluoroisopropylidene and.