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Nafion

Nafion is a brand name for a sulfonated tetrafluoroethylene based fluoropolymer-copolymer synthesized in 1962 by Donald J. Connolly at the DuPont Experimental Station in Wilmington Delaware U.S. patent 3,282,875. Additional work on the polymer family was performed in the late 1960s by Walther Grot of DuPont. Nafion is a brand of the Chemours company. It…

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Overview

Nomenclature and molecular weight

Preparation

Properties

Structure/morphology

Applications

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Map overview Semantic statistics

Nafion

Nodes80
Edges79
Triples89
Avg. degree1.98
Density0.025
Components1

How this topic connects Entity context

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Nafion

Top relations

related to External links · 14
Nafion → Archived, Electrolyzer, Fluorinated Ionomers, Grot, GrotWalther, Homepage, Hydrogen Generation, Isotopic, Right, September, Walther, Wayback Machine, Wayback MachineNafion Totally Explained, What Nafion Membrane
related to Preparation · 12
Nafion → By, Hot, Na, NaOH, SO2F, SO2F-containing, SO3, SO3H, Teflon, TFE, The, This
related to Properties · 10
Nafion → According, CF3SO3H, Chemours, In, It, Its, PTFE, S/cm, The, The PTFE
related to Chlor-alkali production cell membrane · 8
Nafion → Before, Chlorine, Cl, Cl2, Modern, NaOH/KOH, OH, The
related to Modified Nafion for PEM fuel cells · 4
Nafion → CO, Normal Nafion, Silica, This
related to Nomenclature and molecular weight · 4
Nafion → From Chemical Abstracts, It, IUPAC, Nafion-H
related to Proton exchange membrane (PEM) for fuel cells · 4
Nafion → Although, Fuel, PEM, Solid Polymer Electrolytes
related to Superacid catalyst for fine chemical production · 4
Nafion → New, Several, Studies, These
is a · 3
Nafion → brand name for a sulfonated tetrafluoroethylene based fluoropolymer-copolymer synthesized in 1962 by Donald J, brand of the Chemours company, weaker acid by at least three orders of magnitude.It is selectively and highly permeable to water.Its proton conductivity up to 0.2 S/cm depending on temperature
has application · 3
Nafion → Donnan, Nafion's, With

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Important terminology

water properties membrane groups acid chemical cells structure sulfonic fuel applications membranes ionic tetrafluoroethylene nafion's hydration hydrophilic molecules sensors proton

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Nafionis abrand name for a sulfonated tetrafluoroethylene based fluoropolymer-copolymer synthesized in 1962 by Donald J0.90text
Nafionis abrand of the Chemours company0.90text
Nafionis aweaker acid by at least three orders of magnitude.It is selectively and highly permeable to water.Its proton conductivity up to 0.2 S/cm depending on temperature0.90text
water uptakeinstance ofto achieve a range of cationic conductivities with trade-offs to other physicochemical properties0.80text
swellinginstance ofto achieve a range of cationic conductivities with trade-offs to other physicochemical properties0.80text
light scatteringinstance ofConventional methods of determining molecular weight0.80text
gel permeation chromatography are not applicable because Nafion is insolubleinstance ofConventional methods of determining molecular weight0.80text
although the molecular weight has been estimated at 105instance ofConventional methods of determining molecular weight0.80text
artificial leavesinstance ofwhich is a drawback for energy conversion devices0.80text
fuel cellsinstance ofwhich is a drawback for energy conversion devices0.80text
and water electrolyzersinstance ofwhich is a drawback for energy conversion devices0.80text
water managementinstance ofOther properties0.80text

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