公开(公告)号：US5821322A

公开(公告)日：1998-10-13

申请号：US851260

申请日：1997-05-05

申请人： Daniel Joseph Brunelle ,  Peter David Phelps ,  Eugene Pauling Boden ,  Mark Erik Nelson ,  Larry Ivis Flowers ,  Paul Dean Sybert ,  Erik Hendrick Adriaan Capelle

发明人： Daniel Joseph Brunelle ,  Peter David Phelps ,  Eugene Pauling Boden ,  Mark Erik Nelson ,  Larry Ivis Flowers ,  Paul Dean Sybert ,  Erik Hendrick Adriaan Capelle

IPC分类号： C07D295/02 ,  B01J31/02 ,  C07B61/00 ,  C07C68/02 ,  C07C69/96 ,  C07C209/12 ,  C07C211/63 ,  C07D295/13 ,  C08G64/22 ,  C08G64/24 ,  C08G64/00

CPC分类号： C07D295/13 ,  C07C211/63 ,  C08G64/24

摘要： Diaminoalkyl quaternary ammonium salts are prepared by the reaction of alkyl halides with tertiary diamines having C.sub.2-20 primary alkyl radicals attached to nitrogen and an alkyl radical between the two nitrogen atoms in which at least three carbon atoms separate said nitrogen atoms. Said salts are preferably substantially free from corresponding diamines. They are useful as catalysts for interfacial polycarbonate preparation by the reaction of phosgene with at least one dihydroxyaromatic compound. Polycarbonate preparation using such catalysts is economical in phosgene consumption, is accompanied by a rapid conversion of chloroformate groups to desirable species and affords a product with a very low proportion of unreacted dihydroxyaromatic compound.

摘要翻译： 二氨基烷基季铵盐通过烷基卤与与氮连接的具有C2-20伯烷基的叔二胺和两个氮原子之间的烷基与其中至少三个碳原子分开所述氮原子的烷基反应来制备。 所述盐优选基本上不含相应的二胺。 它们可用作通过光气与至少一种二羟基芳族化合物反应的界面聚碳酸酯制备的催化剂。 使用这种催化剂的聚碳酸酯制备在光气消耗中是经济的，伴随着氯甲酸酯基团快速转化为所需物质并提供具有非常低比例的未反应的二羟基芳族化合物的产物。