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    • 5. 发明授权
    • Pearl polymer containing hollow pearls
    • 珍珠聚合物含有空心珍珠
    • US4190713A
    • 1980-02-26
    • US905892
    • 1978-05-15
    • Dieter KraemerHermann PlainerWaldemar Schleier
    • Dieter KraemerHermann PlainerWaldemar Schleier
    • C08F2/00C08F2/22C08F2/30C08F20/00C08F20/52C08F220/54C12N11/08C08J9/00
    • C08F220/54
    • What is disclosed is a pearl polymer product, a method of making the same, and the use thereof as a carrier for biologically active materials, said product being composed of hollow pearl particles having a diameter from 5 to 1000 microns and consisting of a cross-linked polymer which is a cross-linked homopolymer or copolymer comprising at least one member selected from the group consisting of acrylamide, methacrylamide, methylene-bis-acrylamide and methylene-bis-methacrylamide, said polymer containing at least 5 percent by weight of a monomer having at least two carbon-carbon double bonds which are activated by a neighboring phenyl group or carbonyl group, said polymer further being of a composition such that x+3y.gtoreq.40, where x is the percent by weight in the polymer of acrylamide and methacrylamide and y is the percent by weight in the polymer of methylene-bis-acrylamide and methylene-bis-methacrylamide.
    • 所公开的是珍珠聚合物产品,其制备方法及其作为生物活性材料载体的用途,所述产品由直径为5至1000微米的中空珍珠颗粒组成, 连接的聚合物,其是包含选自丙烯酰胺,甲基丙烯酰胺,亚甲基双丙烯酰胺和亚甲基双 - 甲基丙烯酰胺的至少一种的交联的均聚物或共聚物,所述聚合物含有至少5重量%的单体 具有至少两个被相邻苯基或羰基活化的碳 - 碳双键,所述聚合物还具有使得x + 3y> = 40的组成,其中x是丙烯酰胺聚合物中的重量百分数 和甲基丙烯酰胺,y是亚甲基双丙烯酰胺和亚甲基双 - 甲基丙烯酰胺的聚合物中的重量百分比。