Invention Application
US20130023630A1 PROCESS FOR PREPARING POLYCARBONATE DIOL DIACRYLATE AND HIGH-PURITY POLYCARBONATE DIOL DIACRYLATE
有权
制备聚碳酸酯二异氰酸酯和高纯度聚碳酸酯二异氰酸酯的方法
- Patent Title: PROCESS FOR PREPARING POLYCARBONATE DIOL DIACRYLATE AND HIGH-PURITY POLYCARBONATE DIOL DIACRYLATE
- Patent Title (中): 制备聚碳酸酯二异氰酸酯和高纯度聚碳酸酯二异氰酸酯的方法
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Application No.: US13638550Application Date: 2011-03-28
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Publication No.: US20130023630A1Publication Date: 2013-01-24
- Inventor: Youichi Yoshida , Yasuhito Yamamoto , Kenji Hirotsu
- Applicant: Youichi Yoshida , Yasuhito Yamamoto , Kenji Hirotsu
- Applicant Address: JP Ube-shi, Yamaguchi
- Assignee: UBE INDUSTRIES, LTD.
- Current Assignee: UBE INDUSTRIES, LTD.
- Current Assignee Address: JP Ube-shi, Yamaguchi
- Priority: JP2010-075884 20100329; JP2010-271918 20101206
- International Application: PCT/JP2011/057533 WO 20110328
- Main IPC: C12P7/62
- IPC: C12P7/62 ; C08G64/02
Abstract:
This is to provide a process for preparing a polycarbonate diol diacrylate from a polycarbonate diol and a vinyl acrylate compound without using a protonic acid or a metal component.This is a process for preparing a polycarbonate diol diacrylate which comprises reacting a polycarbonate diol represented by the formula (I) and a vinyl acrylate compound represented by the formula (II) in the presence of a hydrolase, and a polycarbonate diol diacrylate represented by the formula (III) having a terminal acrylated ratio of 97% or more.
Public/Granted literature
- US08901254B2 Process for preparing polycarbonate diol diacrylate and high-purity polycarbonate diol diacrylate Public/Granted day:2014-12-02
Information query
