Organic steam-separated blend composite film and its production |
Title: |
Organic steam-separated blend composite film and its production |
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Application Number: |
200610012264 |
Application Date: |
2006/06/15 |
Announcement Date: |
2007/01/17 |
Pub. Date: |
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Publication Number: |
1895761 |
Announcement Number: |
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Grant Date: |
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Granted Pub. Date: |
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ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
B01D 71/56, B01D 69/12 |
Applicant(s): |
Tsinghua Univ. |
Inventor(s): |
Li Jiding, Chen Jian, Ye Hong, Cao Jianhua, Lin Yangzheng, Chen Cuixian |
Key Words: |
Organic, steam-separated, blend composite film |
Abstract: |
A composite mixture membrane for separating organic vapor is prepared through dissolving polyetherimide in solvent, preparing basic film, dissolving dimethyl siloxane or trifluoropropyl silicon rubber in solvent, sequentially adding ethyl n-silicate, tin dibutylbilaurate and silane, stirring, coating the mixture solution on said basic film, and heat treating. |
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Priority: |
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