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    • 2. 发明授权
    • Process for the production of molded particles for enzyme- or microbial cell-immobilization
    • 用于生产用于酶或微生物细胞固定的模制颗粒的方法
    • US06855746B2
    • 2005-02-15
    • US10293500
    • 2002-11-14
    • Junya YoshitakeKenji MiyagawaKenji Seko
    • Junya YoshitakeKenji MiyagawaKenji Seko
    • C08G18/12C08G18/32C08G18/48C08G18/67C08G18/81C12N11/08C12N11/10C08F2/46
    • C08G18/12C08G18/4833C08G18/672C08G18/675C08G18/8116C08G2220/00C12N11/08C12N11/10Y10T428/2982
    • This invention provides a process for the production of molded particles for enzyme- or microbial cell-immobilization which is characterized in that:an aqueous liquid composition which comprises: (A) an unsaturated group-containing urethane resin which is obtained by making a compound (a) having one hydroxyl group and one epoxy group in a molecule react with a compound (b) having one carboxyl group and one ethylenically unsaturated group in a molecule, and further making thus obtained unsaturated group-containing diol (c) react with polyisocyanate compound (d); (B) a polymerization initiator; and (C) water-soluble macromolecular polysaccharides which are capable of gelation by contact with metal ion; is gelatinized, in an aqueous medium which contains metal ion, to be particulate gel, which is then subjected to photopolymerization and/or thermopolymerization by which to cause the crosslinking reaction of ethylenically unsaturated group in said particulate gel.
    • 本发明提供一种生产用于酶或微生物细胞固定的模塑颗粒的方法,其特征在于:一种含水液体组合物,其包含:(A)含不饱和基团的聚氨酯树脂,其通过制备化合物 a)在分子中具有一个羟基和一个环氧基与分​​子中具有一个羧基和一个烯键式不饱和基团的化合物(b)反应,并且进一步制得如此获得的不饱和基团的二醇(c)与多异氰酸酯化合物 (d);(B)聚合引发剂; 和(C)能够通过与金属离子接触而凝胶化的水溶性大分子多糖在含有金属离子的水性介质中凝胶化成为颗粒状凝胶,然后将其进行光聚合和/或热聚合, 引起所述颗粒状凝胶中烯属不饱和基团的交联反应。
    • 3. 发明授权
    • Process for the production of molded particles for microbial cell-immobilization
    • 用于生产用于微生物细胞固定的模制颗粒的方法
    • US06706778B2
    • 2004-03-16
    • US10059309
    • 2002-01-31
    • Junya YoshitakeKenji MiyagawaKenji Seko
    • Junya YoshitakeKenji MiyagawaKenji Seko
    • C08F246
    • C08G18/0814C08F299/06C08G18/672C08G2210/00C08G18/48
    • This invention provides a process for the production of molded particles for microbial cell-immobilization which is characterized in that: an aqueous liquid composition which comprises: (a) an ethylenically unsaturated group-containing urethane resin which is obtained by making a tertiary amino group-containing diol react with a polyisocyanate compound, and by further introducing an ethylenically unsaturated group; (b) a polymerization initiator; and (c) water-soluble macromolecular polysaccharides; is gelatinized, in an aqueous medium which contains metal ion, to be particulate gel which is then subjected to photopolymerization and/or thermopolymerization by which to cause the crosslinking reaction of ethylenically unsaturated group in said particulate gel.
    • 本发明提供一种生产用于微生物细胞固定的模制颗粒的方法,其特征在于:一种含水液体组合物,其包含:(a)含烯属不饱和基团的聚氨酯树脂,其通过制备叔氨基 - 含二醇与多异氰酸酯化合物反应,并进一步引入烯属不饱和基团;(b)聚合引发剂; 和(c)水溶性大分子多糖;在含有金属离子的水性介质中胶凝成为颗粒状凝胶,然后将其进行光聚合和/或热聚合,通过该聚合和/或热聚合使烯属不饱和基团在所述颗粒中的交联反应 凝胶。