Invention Grant
- Patent Title: Vinyl ester maleic acid derivative copolymers
- Patent Title (中): 乙烯基酯马来酸衍生物共聚物
-
Application No.: US12864543Application Date: 2009-01-12
-
Publication No.: US08227559B2Publication Date: 2012-07-24
- Inventor: Jochen Mezger , Alexander Kraus , Harald Grassl , Kerstin Becher
- Applicant: Jochen Mezger , Alexander Kraus , Harald Grassl , Kerstin Becher
- Applicant Address: DE Trostberg
- Assignee: Construction Research & Technology GmbH
- Current Assignee: Construction Research & Technology GmbH
- Current Assignee Address: DE Trostberg
- Agency: Curatolo Sidoti Co., LPA
- Agent Joseph G. Curatolo; Salvatore A. Sidoti
- International Application: PCT/EP2009/050259 WO 20090112
- International Announcement: WO2009/098103 WO 20090813
- Main IPC: C08F22/16
- IPC: C08F22/16
Abstract:
The invention relates to a process for the preparation of a copolymer by free radical mass polymerization of a maleic acid monoester derivative with vinyl ester in the presence of an acid having a pKa of less than 1.8. The copolymer is suitable as a dispersant for hydraulic binders.
Public/Granted literature
- US20110054082A1 Vinyl Ester Maleic Acid Derivative Copolymers Public/Granted day:2011-03-03
Information query
IPC分类:
