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公开(公告)号:US5853647A
公开(公告)日:1998-12-29
申请号:US806924
申请日:1997-02-26
CPC分类号: B01D67/0088 , B01D67/0095 , B01D71/10
摘要: Properties of cellulosic membranes such as the length and the ultrafiltration rate are stabilized by warmth/humidity conditioning, whereby temperatures in a range of about 30.degree. to 60.degree. C. and relative humidities in a range of about 10 to 60% are suitable. The membranes may be enveloped at a relative humidity of about 40 to 60% and at about 20.degree. to 25.degree. C. in a packaging which is at least substantially impermeable to the passage of moisture before being subjected to the conditioning.
摘要翻译: 纤维素膜的性质如长度和超滤速率通过温暖/湿度调节来稳定,由此温度在约30℃至60℃的范围内,相对湿度在约10至60%的范围内是合适的。 膜可以在约40至60%和约20至25℃的相对湿度下包封,该包装在经受调理之前至少基本上不透水分通过。