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Citation: WANG Hai, WANG Jian-Wu, XU Bo-Qing, QIU Xian-Qing. On Solubility of Perfluororesinsulfonic Acid[J]. Chinese Journal of Applied Chemistry, ;2001, 18(10): 798-801. shu

On Solubility of Perfluororesinsulfonic Acid

1.
State Key Laboratory of C1 Chemistry and Technology, Department of Chemistry, Tsinghua University, Beijing 100084

Received Date: 20 January 2001
Available Online: 2 July 2001
Fund Project:

A series of system consisted of common solvents capable of dissolution of Nafion NR50 have been investigated:40%~70% water+60%~30% ethanol, 40%~70% water+60%~30% n-propanol, 10%~70% water+90%~30% i-propanol, 30%~70% water+60%~20% n-propanol+10% methanol and 10%~70% water+80%~20% i-propanol+10% methanol. Favorable dissolution temperature and time appeared to be ranged in 230℃ to 250℃ and 4 hours, respectively. During the dissolution processes alcohols could be isomerized, etherified or dehydrated catalyzed by Nafion NR50. Addition of methanol could promote the swelling of NR50, accelerating the dissolution process.
- perfluororesinsulfonic acid,
- dissolution,
- alcohol solution
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