采用乙烯基摩尔分数为5%的硅橡胶与含氢硅油交联剂及氯铂酸催化剂,经溶液浇铸和室温硫化(RTV),制备了高交联度的硅橡胶膜,并研究了该膜的富氧性能.研究发现,与普通硅橡胶膜相比,室温附近的氧透过系数(PO2)稍有降低,氧氮分离系数(αO2/N2)则明显提高,αO2/N2＝2.87.本文还考察研究了压力、温度以及热处理过程等因素对高交联度硅橡胶膜富氧性能的影响,与其它改性的硅橡胶膜相比,该富氧膜显示出富氧性、成膜性及硫化性等综合性能较优的特点,显示出潜在的应用价值.
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