专利名称：USE OF HETEROGENEOUS CATALYSTS IN
METHODS FOR THE PRODUCTION OFPOLYAMIDES
发明人：MOHRSCHLADT, RALF,HILDEBRANDT,
VOLKER
申请号：EP00902588.3申请日：20000113公开号：EP1141091A1公开日：20011010
摘要：Described in the use of metal oxides as heterogeneous catalysts in a processfor producing polyamides by polymerization of lactams and optionally further
polyamide-forming monomers wherein the metal oxides are used in a form which permitsmechanical removal from the reaction mixture and are removed from the reactionmixture during or after the polymerization, to reduce the extractables content of thepolyamide obtained.
申请人：BASF AKTIENGESELLSCHAFT
地址：67056 Ludwigshafen DE
国籍：DE
代理机构：Isenbruck, Günter, Dr.
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