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Merck
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Key Documents

939730

Sigma-Aldrich

Sulfonated polysulfone

new

proton conducting polymer, degree of sulfonation 90%

同義詞:

Sulfonated aromatic polymer for fuel cells and PEMs, Sulfonated poly(arylene ether sulfone) ionomer

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About This Item

線性公式:
(C24H14Na2O10S3)n(C24H16O4S)m
CAS號碼:
分類程式碼代碼:
13111024

描述

degree of sulfonation: 75-110%

品質等級

形狀

powder

分子量

20-90 kDa

顏色

white

官能基

sulfonic acid

聚合物結構

shape: linear

InChI

1S/C12H8F2O8S3.C12H8F2O2S.C12H10O2.2Na/c13-9-3-1-7(5-11(9)24(17,18)19)23(15,16)8-2-4-10(14)12(6-8)25(20,21)22;13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12;13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10;;/h1-6H,(H,17,18,19)(H,20,21,22);1-8H;1-8,13-14H;;

InChI 密鑰

MSKVMJLWNYCWLA-UHFFFAOYSA-N

一般說明

Our sulfonated polysulfone proton conducting polymer features a high degree of sulfonation at 90%. This distinctive characteristic imparts higher water uptake, ionic conductivity, and ion exchange capacity compared to polymers with lower degrees of sulfonation. However, the trade-off for these enhanced properties is that membranes made from this polymer exhibit weakened mechanical properties, such as lower breaking strength and a greater swelling ratio. This product is designed for applications where superior ionic performance is prioritized over mechanical robustness.

應用

Our sulfonated polysulfone proton conducting polymer with a high degree of sulfonation at 90% is an excellent choice for applications that prioritize superior ionic conductivity and water uptake. This product is particularly well-suited for use in proton exchange membranes (PEMs) for fuel cells, redox flow batteries, and other energy storage systems where efficient proton transport and high ion exchange capacity are crucial. In cases where mechanical robustness is a priority, our polyaromatic sulfonic acid powder with a 70% degree of sulfonation may be a more suitable option. Beyond energy storage and conversion, this high-performance polymer can also be explored for alternative applications, such as water treatment membranes and filtration systems, where its exceptional ionic performance can contribute to improved removal of impurities and contaminants.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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