Integrated Environmental Assessment and Management -- Volume 14, Number 3--pp. 316-334 316 Received: 26 September 2017 Returned for Revision: 16 January 2018 Accepted: 30 January 2018 Critical Review A Critical Review of the Application of Polymer of Low Concern and Regulatory Criteria to Fluoropolymers Barbara J Henry,*t Joseph P Carlin, t Jon A Hammerschmidt, f Robert C Buck,: L Heidelore Fiedler, Jennifer Seed,// and Oscar Hernandez# tWL Gore & Associates, Elkton, Maryland, USA tChemours Company, Wilmington, Delaware, USA MTM Research Centre School of Science and Technology, Orebro University, Orebro, Sweden //Risk Assessment Consultant, Alexandria, Virginia, USA #Bergeson & Campbell, Washington, DC, USA William Buxton, I ABSTRACT Per- and polyfluoroalkyl substances (PFAS) are a group of fluorinated substances that are in the focus of researchers and regulators due to widespread presence in the environment and biota, including humans, of perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).
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Hexafluoroisopropanol (HFIP) and gel permeation chromatography of polyesters and polyamides Gel permeation chromatography (GPC, also known as size exclusion chromatography, SEC) is a liquid chromatography method that analyzes the molecular weight distribution of polymers.
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Apr 25, 2023 Comment on Proposed Restriction of PFAS Conference of Fluoro-Chemical Product Japan (FCJ) On behalf of chemical manufacturers, we, Conference of Fluoro-Chemical Product Japan (FCJ), have been working tirelessly to comply with national chemical regulations.
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iScience Cellpress OPEN ACCESS ArticIr Implications of PFAS definitions using fluorinated pharmaceuticals Organofluorine Pharmaceuticals (360) Fluoxetine (Prozac) Sitagliptin (Januvia) Atorvastatin (Lipitor) Ciprofloxacin (Cipro) Fluticasone Propionate (Flonase) Screening Against 9 PFAS Definitions Chemical Substructures F F F Emily Hammel, Thomas F.
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Feedback on PFAS Proposal (Hongdu New Materials) Section 1: Personal Information (omitted) Section 2: Organization Information (Company Profile) Jiangxi Hongdu New Material Technology Co., LTD., founded in 2021, is committed to the basic research and product promotion of fluorine chemistry, fluorine chemical industry, fluorine materials and their related or cross fields, and the introduction of foreign excellent chemical products, committed to providing customers with highquality products and professional product supporting solutions.
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Comments on the PFAS proposal Zhejiang Quhua Fluor- Chemistry Co., LTD.
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I> PerkinElmer For the Better 8/25/2023 PerkinElmer, US LLC 710 Bridgeport Ave Shelton, CT 06484 USA Phone www.perkinelmer.com Subject: Comments for Annex XV restriction report Background The proposed phasing-out of per / polyfluoroalkyl substances (PFASs) will have a significant impact on manufacturers of many types of analytical instrumentation, due to the current widespread use of these materials in many critical instrument sub-systems.
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Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.
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Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.
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Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.
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Attachment 3 Ink used in inkjet printing system The inkjet printing system has inkjet head devices to change ink into fine particles by applying pressure and heat, and ejecting these particles allows printing directly onto print media.
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Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.
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Cost-effective fire protection.
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Exclusion of trifluoroacetic acid (TFA) from the scope of the Proposal General Comments: As the supporting unit of ODS Alternatives Engineering &Technology Centre of China and Zhejiang Branch of National Pesticide R&D South Centre, Zhejiang Research Institute of Chemical Industry Co., Ltd is a research & development enterprise in the fields of fluorine chemical, pesticide chemical and fine chemical, has the State Key Laboratory of Fluorine Greenhouse Gases Replacement and Control Treatment.
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OECD polymer of low concern (PLC) criteria and additional customeer related criteria Polymers currently in use PTFE FKM/ FPM alle grn Alternative Materials for lining EPDM NBR PUR rubber ECO (Epichlorhydrin rubber) H-NBR Symbols Legend Firmness Elasticity Permanent Compression Shore Hardness Range Rebound resilience Temperature resistance (1000h) Cold flexibility Ozone/ Weathering Resistance Oil/ Fuel Resistance Steam Resistance Acid resistance Caustic resistance Solvent resistant Firmness Meaning Accept Not fulfilled Accept with limitations Nearly not fulfilled Elasticity The material property of an elastomer returns it to its original size and shape The amount or measure of permanent deformation that occurs to an object, The measure of the resistance that a rubber material has to indentation.
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