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Organic Compounds National Institute of Advanced Industrial Science and Technology (AIST), Japan Organic compounds Spectra:IR Raman MASS ESR 1 H NMR 13 C NMR SDBS No curated "SDBS". 34,000 Serum Metabolome Database: The Metabolomics Innovation Centre: found in blood serum "Serum Metabolome DB". 4,651 Solvent Selection Tool ACS Green Chemistry ...
Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene, and has numerous applications because it is chemically inert. [3] The commonly known brand name of PTFE-based composition is Teflon by Chemours, [4] a spin-off from DuPont, which originally invented the compound in 1938. [4]
PubChem is a database of chemical molecules and their activities against biological assays.The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which is part of the United States National Institutes of Health (NIH).
PTFE tape used for different sized fittings PTFE tape for natural gas. There are two US standards for determining the quality of any thread seal tape. MIL-T-27730A (an obsolete military specification still commonly used in industry in the US) requires a minimum thickness of 3.5 mils and a minimum PTFE purity of 99%. [3]
The polymer was polytetrafluoroethylene (PTFE). In 1945, DuPont commercialized PTFE as Teflon. They found that PTFE was resistant to corrosion, had low surface friction, and high heat resistance. [17] Tetrafluorethylene (TFE) can cyclize with a wide variety of compounds which led to the creation of a range of organofluorine compounds.
Bottles, pipes, inner insulation (dielectric) of coax cable (see also PTFE), plastic bags, etc. Polypropylene: PP: Resistant to acids and alkalies, High tensile strength: Auto parts, industrial fibers, food containers, liner in bags, dishware and as a wrapping material for textiles and food Polystyrene (thermocole) PS: Thermal insulator.
Name Abbreviation Structural formula Molecular weight (g/mol) CAS No. Perfluorobutane sulfonamide: H-FBSA C 4 F 9 SO 2 NH 2: 299.12 30334-69-1 Perfluoropentanesulfonamide: PFPSA C 5 F 11 SO 2 NH 2: 349.12 82765-76-2 Perfluorohexanesulfonamide: PFHxSA C 6 F 13 SO 2 NH 2: 399.13 41997-13-1 Perfluoroheptanesulfonamide: PFHpSA C 7 F 15 SO 2 NH 2: ...
In 1938, polytetrafluoroethylene (DuPont brand name Teflon) was discovered by accident by a recently hired DuPont Ph.D., Roy J. Plunkett.While working with tetrafluoroethylene gas to develop refrigerants, he noticed that a previously pressurized cylinder had no pressure remaining.