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802549
Aquivion® D72-25BS
PFSA eq. wt. 720 g/mole SO3H, liquid, dispersion, 25% in water, stabilized CF3 polymer chain ends
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Synonym(s):
Aquivion® SO3H-form, Tetrafluoroethylene-perfluoro(3-oxa-4-pentenesulfonic acid) copolymer, Ethanesulfonic acid
Linear Formula:
(C4HF7O4S .C2F4)x
NACRES:
NA.23
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Nível de qualidade
forma
dispersion
liquid
Peso eq.
720±20g/mol (SO3H)
concentração
25±1 % (w/w)
densidade
1.14 g/mL
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Descrição geral
Aquivion® PFSA dispersions are based on the short-side-chain (SSC) copolymer of Tetrafluoroethylene and the Sulfonyl Fluoride Vinyl Ether (SFVE) CF2=CF2-O-(CF2)2-SO2F industrially produced by Solvay Specialty Polymers. The resulting perfluoropolymer′s functional groups are in their sulfonic acid form, SO3H.
Aplicação
Aquivion® D72-25BS can be used as a formulation additive for the production of polymer electrolyte fuel cell electrodes, manufacturing or repairing of cation-exchange membranes, surface coatings of PTFE membranes to improve their wetting behavior or for the development of superacid catalysts. The addition of further film-forming and/or other volatile or non-volatile chemicals is necessary to impart the desired processing and end-product characteristics.
Embalagem
25, 250 mL in poly bottle
Outras notas
Features & Benefits:
Aquivion® D72-25BS is delivered as a colloidal dispersion in highly pure deionized water. It contains the perfluoropolymer′s sulfonic acid form (R-SO3H) of equivalent weight (EW) 720g/mole SO3H at very high solid content of 25% by weight which allows a large variety of subsequent formulations without additional pre-concentration steps.
D72-25BS contains "chemically stabilized" perfluoropolymer in which a large amount of polymer end groups are converted to their inert "CF3" configuration.
Hydrophilicity, swelling and water retention at dry state are more pronounced than for D79-25BS, D83-24B or D98-25BS.
Aquivion® D72-25BS is delivered as a colloidal dispersion in highly pure deionized water. It contains the perfluoropolymer′s sulfonic acid form (R-SO3H) of equivalent weight (EW) 720g/mole SO3H at very high solid content of 25% by weight which allows a large variety of subsequent formulations without additional pre-concentration steps.
D72-25BS contains "chemically stabilized" perfluoropolymer in which a large amount of polymer end groups are converted to their inert "CF3" configuration.
Hydrophilicity, swelling and water retention at dry state are more pronounced than for D79-25BS, D83-24B or D98-25BS.
Informações legais
Aquivion is a registered trademark of Solvay Group
Código de classe de armazenamento
10 - Combustible liquids
WGK
WGK 2
Ponto de fulgor (ºF)
Not applicable
Ponto de fulgor (ºC)
Not applicable
Certificate of Analysis
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Certificate of Origin
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