公开(公告)号：US07303652B2

公开(公告)日：2007-12-04

申请号：US10013049

申请日：2001-12-10

申请人： Richard James Riehle ,  Ronald Busink ,  Massimo Berri ,  Wilm Stevels

发明人： Richard James Riehle ,  Ronald Busink ,  Massimo Berri ,  Wilm Stevels

IPC分类号： D21H17/55 ,  D21H21/20 ,  C08G69/46 ,  C12S13/00

CPC分类号： C08G73/06 ,  C08G73/02 ,  C08G73/022 ,  C08G73/0226 ,  C08G73/0286 ,  C08G73/0293 ,  C12N9/14 ,  C12N9/54

摘要： A process for rendering a polyamine-epihalohydrin resin storage stable, is described. The process entails treating a polyamine-epihalohydrin resin composition, where the resin is formed in a reaction having a molar ratio of epihalohydrin to secondary amine group of less than about 0.5 and where the composition has a solids content of at least 15 wt % and includes CPD-forming species, with at least one enzymatic agent under conditions to inhibit, reduce or remove the CPD-forming species to obtain a gelation storage stable reduced CPD-forming resin so that the composition containing the reduced CPD-forming polyamine-epihalohydrin resin when stored for 24 hours at 50° C. and a pH of about 1.0 releases less than about 100 ppm dry basis of CPD.

摘要翻译： 描述了使多胺 - 表卤代醇树脂储存稳定的方法。 该方法需要处理多胺 - 表卤醇树脂组合物，其中树脂在表卤代醇与仲胺基团的摩尔比小于约0.5的反应中形成，并且组合物的固体含量至少为15重量％，并且包括 CPD形成物质与至少一种酶剂在抑制，减少或除去形成CPD的物质以获得凝胶储存稳定的减少的CPD形成树脂的条件下，使得含有减少的形成CPD的多胺 - 表卤代醇树脂的组合物当 在50℃下保存24小时，并且约1.0的pH释放小于约100ppm的干燥基础的CPD。