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用于从空气中富集氧气的硅沸石-聚（糠醇）复合膜的合成

Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air.

作者信息

He Li, Li Dan, Wang Kun, Suresh Akkihebbal K, Bellare Jayesh, Sridhar Tam, Wang Huanting

机构信息

Department of Chemical Engineering, Monash University, Clayton, Victoria, 3800, Australia.

出版信息

Nanoscale Res Lett. 2011 Dec 30;6(1):637. doi: 10.1186/1556-276X-6-637.

DOI:10.1186/1556-276X-6-637
PMID:22209012
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3261223/
Abstract

Silicalite-poly(furfuryl alcohol) [PFA] composite membranes were prepared by solution casting of silicalite-furfuryl alcohol [FA] suspension on a porous polysulfone substrate and subsequent in situ polymerization of FA. X-ray diffraction, nitrogen sorption, thermogravimetric analysis, scanning electron microscopy, and energy-dispersive X-ray spectroscopy were used to characterize silicalite nanocrystals and silicalite-PFA composite membranes. The silicalite-PFA composite membrane with 20 wt.% silicalite loading exhibits good oxygen/nitrogen selectivity (4.15) and high oxygen permeability (1,132.6 Barrers) at 50°C. Silicalite-PFA composite membranes are promising for the production of oxygen-enriched air for various applications.

摘要

通过将硅沸石 - 糠醇（FA）悬浮液溶液浇铸在多孔聚砜基材上并随后使FA原位聚合，制备了硅沸石 - 聚（糠醇）[PFA]复合膜。使用X射线衍射、氮吸附、热重分析、扫描电子显微镜和能量色散X射线光谱对硅沸石纳米晶体和硅沸石 - PFA复合膜进行表征。在50°C下，硅沸石负载量为20 wt.%的硅沸石 - PFA复合膜表现出良好的氧气/氮气选择性（4.15）和高氧气渗透率（1132.6巴耳）。硅沸石 - PFA复合膜在生产用于各种应用的富氧空气方面具有前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/f82442ba415b/1556-276X-6-637-7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/95aa2e1148a6/1556-276X-6-637-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/53054bbe34ea/1556-276X-6-637-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/19634177e9eb/1556-276X-6-637-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/710a16a47a21/1556-276X-6-637-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/3262a2b7c035/1556-276X-6-637-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/53f2e0e1709d/1556-276X-6-637-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/f82442ba415b/1556-276X-6-637-7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/95aa2e1148a6/1556-276X-6-637-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/53054bbe34ea/1556-276X-6-637-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/19634177e9eb/1556-276X-6-637-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/710a16a47a21/1556-276X-6-637-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/3262a2b7c035/1556-276X-6-637-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/53f2e0e1709d/1556-276X-6-637-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ec4/3261223/f82442ba415b/1556-276X-6-637-7.jpg

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本文引用的文献

1
Nanostructured zeolite 4A molecular sieving air separation membranes.纳米结构的4A沸石分子筛空气分离膜。
Chem Commun (Camb). 2002 Aug 21(16):1708-9. doi: 10.1039/b204854j.