Invention Grant
- Patent Title: Method for producing polyalkylene glycoldi(meth)acrylates
- Patent Title (中): 聚亚烷基二（甲基）丙烯酸酯的制备方法
-
Application No.: US12992998Application Date: 2009-05-05
-
Publication No.: US08716516B2Publication Date: 2014-05-06
- Inventor: Thorben Schuetz , Joachim Knebel , Mario Gomez Andreu
- Applicant: Thorben Schuetz , Joachim Knebel , Mario Gomez Andreu
- Applicant Address: DE Darmstadt
- Assignee: Evonik Röhm GmbH
- Current Assignee: Evonik Röhm GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102008040214 20080707
- International Application: PCT/EP2009/055368 WO 20090505
- International Announcement: WO2010/003710 WO 20100114
- Main IPC: C08G65/00
- IPC: C08G65/00
Abstract:
The present invention relates to a process for preparing polyalkylene glycol di(meth)acrylates by reacting polyalkylene glycol with (meth)acrylic anhydride, wherein the reaction mixture contains at most 0.5% by weight of metal compounds and/or amines, the reaction is carried out in the presence of polymerization inhibitors and the reaction temperature is at least 60° C.
Public/Granted literature
- US20110082314A1 METHOD FOR PRODUCING POLYALKYLENE GLYCOLDI(METH)ACRYLATES Public/Granted day:2011-04-07
Information query
