改性苯乙烯-异戊二烯-苯乙烯嵌段共聚物膜与含钴希夫碱络合用于氧渗透

G. Hsiue, Wey‐Leun Hsu, Jen-Ming Yang
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引用次数: 2

摘要

研究了4-乙烯基吡啶(VP)和1-乙烯基咪唑(VIm)在苯乙烯-异戊二烯-苯乙烯(SIS)三嵌段共聚物上的辐射接枝共聚反应。研究了接枝度对接枝共聚物膜透气性的影响。研究了改性SIS (SIS-g- vp或SIS-g- vim)与含钴希夫碱(CoS)在氯仿溶液中的配合物形成。以CoS作为氧的固定载体的改性SIS膜促进了分子氧的运输,并观察到由于氧与CoS的结合能力,改性SIS膜的氧通透性。讨论了氧在SIS-g-VP-CoS和SIS-g-VIm-CoS膜上的传输机制。4-乙烯基吡啶(VP)和1 -乙烯基咪唑(VIm)在苯乙烯-异戊二烯-苯乙烯嵌段共聚物(SIS)中的预聚合反应(sodie gasdurchassigkeit von daraus hergestellten Membranen wurde untersucht)。改性sis -共聚物复合材料(SIS-g-VP bzw)SIS-g-VIm)的钴焓schiffchen Basen (CoS)也固定了Sauerstofftrager verbesserte deren sauerstoffdurchlassigket。绍尔斯托夫输送风的机制。
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Modified styrene‐isoprene‐styrene block copolymer membranes complexed with cobalt‐containing schiff's bases for oxygen permeation
The grafting of 4-vinylpyridine (VP) and 1-vinylimidazole (VIm) onto styrene-isoprene-styrene (SIS) triblock copolymer by radiation-induced graft copolymerization was studied. The effect of grafting degree on gas permeability of membranes made of grafted copolymers was investigated. The complex formation of the modified SIS (SIS-g-VP or SIS-g-VIm) with cobalt-containing Schiff's bases (CoS) in chloroform solution was studied. Facilitated transport of molecular oxygen in modified SIS membranes containing CoS as fixed carrier of oxygen, and oxygen permeability in modified SIS membranes due to the oxygen binding ability to CoS was observed. Mechanism of oxygen transport across the SIS-g-VP-CoS and SIS-g-VIm-CoS membrane is discussed. Die strahleninduzierte Pfropfpolymerisation von 4-Vinylpyridin (VP) und 1 -Vinylimidazol (VIm) auf ein Styrol-Isopren-StyroI-Blockcopolymeres (SIS) sowie die Gasdurchlassigkeit von daraus hergestellten Membranen wurde untersucht. Eine Komplexierung der modifizierten SIS-Copolymeren (SIS-g-VP bzw. SIS-g-VIm) mit Cobalt enthaltenden Schiffschen Basen (CoS) als fixierte Sauerstofftrager verbesserte deren Sauerstoffdurchlassigkeit. Der Mechanismus des Sauerstofftransports wird diskutiert.
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