Invention Grant
US08716426B2 Method for preparing an allophanate, allophanate, and low-viscosity composition containing the allophanate
有权
制备脲基甲酸酯，脲基甲酸酯和含有脲基甲酸酯的低粘度组合物的方法
- Patent Title: Method for preparing an allophanate, allophanate, and low-viscosity composition containing the allophanate
- Patent Title (中): 制备脲基甲酸酯，脲基甲酸酯和含有脲基甲酸酯的低粘度组合物的方法
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Application No.: US13133477Application Date: 2009-12-08
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Publication No.: US08716426B2Publication Date: 2014-05-06
- Inventor: Jean-Marie Bernard , Johannès Schwarz , Philippe Olier
- Applicant: Jean-Marie Bernard , Johannès Schwarz , Philippe Olier
- Applicant Address: FR Saint-Priest
- Assignee: Perstorp France
- Current Assignee: Perstorp France
- Current Assignee Address: FR Saint-Priest
- Agency: Eckert Seamans Cherin & Mellott, LLC
- Agent Michael B. Fein
- Priority: FR0858328 20081208
- International Application: PCT/FR2009/002443 WO 20091208
- International Announcement: WO2010/067005 WO 20100617
- Main IPC: C08G18/22
- IPC: C08G18/22 ; C08G18/16
Abstract:
A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at least one monoalcohol comprising an ether or polyether functional group in the presence of a bismuth-comprising catalyst and a metal compound as co-catalyst.
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