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    • 5. 发明授权
    • Filler-modified polyurethane foam supports for bioconversion processes
    • 用于生物转化过程的填料改性聚氨酯泡沫支持体
    • US5366999A
    • 1994-11-22
    • US090225
    • 1993-07-09
    • Edmund GiezImre PascikJoachim Priemer
    • Edmund GiezImre PascikJoachim Priemer
    • C02F3/10C08J9/42C12N11/08C08J9/224
    • C08J9/42C02F3/10C12N11/08C08J2375/04C08J2421/00Y02W10/15
    • A polyurethane foam web with a thickness of 5 mm to 30 mm is passed continuously through a dipping bath and is thereby impregnated with 10% to 1000% by weight of a polymer dispersion consisting of the components A) and B) defined below:A) 30% to 65% by weight, preferably 40% to 60% by weight and particularly preferably 45% to 50% by weight of a cationic styrene/butadiene copolymer latex containing about 50% of dry substance, or of an anionic butadiene/acrylonitrile copolymer latex, andB) 10% to 50% by weight, preferably 15% to 40% by weight and particularly preferably 25% to 35% by weight of an inorganic and/or organic pulverulent filler,and the foam web treated in this way is compressed to remove excess liquid and then dried in a drying oven at temperatures of 80.degree. C. to 120.degree. C.
    • 将厚度为5mm至30mm的聚氨酯泡沫网连续通过浸渍浴,并由此浸渍10%至1000%(重量)由以下定义的组分A)和B)组成的聚合物分散体:A) 含有约50%干物质的阳离子苯乙烯/丁二烯共聚物胶乳,或阴离子丁二烯/丙烯腈共聚物的阳离子苯乙烯/丁二烯共聚物胶乳的重量百分比为30%至65%,优选为40%至60%,特别优选为45%至50% 胶乳和B)10重量%至50重量%,优选15重量%至40重量%,特别优选25重量%至35重量%的无机和/或有机粉状填料,并且以这种方式处理的泡沫网 压缩以除去多余的液体,然后在干燥炉中在80℃至120℃的温度下干燥。