专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20160251370A1 PROCESS FOR PREPARING ISOSORBIDE ETHOXYLATE DI(METH)ACRYLATE 有权
标题翻译：制备异氰酸酯二（甲基）丙烯酸酯的方法
公开(公告)号：US20160251370A1
公开(公告)日：2016-09-01
申请号：US15051974
申请日：2016-02-24
申请人： BASF SE
发明人： Andrea MISSKE , Friederike FLEISCHHAKER , Christoph FLECKENSTEIN , Martin KALLER , Ulrik STENGEL , Mathieu BLANCHOT , Claudia STOER , Ritesh NAIR
IPC分类号： C07D493/04
CPC分类号： C07D493/04 , C08F222/1006 , C09J4/00 , C09J4/06
摘要： A process for preparing isosorbide ethoxylate di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide ethoxylate, comprising the steps of: (i) ethoxylating isosorbide to give isosorbide ethoxylate, (ii) reacting alkyl (meth)acrylate with isosorbide ethoxylate in the presence of potassium phosphate as catalyst and a stabilizer and in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (iii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (ii) and (iii) are conducted simultaneously until the isosorbide ethoxylate has been essentially fully converted, (iv) removing the catalyst from the product mixture comprising isosorbide ethoxylate di(meth)acrylate, (v) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture.
摘要翻译：包括以下步骤：（i）乙氧基化异山梨醇，得到异山梨醇乙氧基化物，（ii）使（甲基）丙烯酸烷基酯与异山梨醇乙氧基化物反应，得到异山梨醇乙氧基化物在与（甲基）丙烯酸烷基酯结合的醇形成共沸物的共沸物存在下，连续蒸馏共沸剂和醇的共沸物，其中步骤（ii）和（iii）同时进行，直到异山梨醇乙氧基化物已经基本上完全转化，（iv）从包含异山梨醇乙氧基化物二（甲基）丙烯酸酯的产物混合物中除去催化剂，（v）蒸馏未转化的（甲基）共沸剂排出产品混合物。

IPRDB

热门服务

关于我们

友情链接

联系方式