发明授权
US07361727B2 Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers
有权
1,4-二恶烷-2-酮与产生热稳定化1,4-二恶烷-2-酮（共）聚合物的环酯单体的共聚合
- 专利标题： Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers
- 专利标题（中）： 1,4-二恶烷-2-酮与产生热稳定化1,4-二恶烷-2-酮（共）聚合物的环酯单体的共聚合
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申请号： US11199536申请日： 2005-08-08
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公开(公告)号： US07361727B2公开(公告)日： 2008-04-22
- 发明人: Ramani Narayan , Jean-Marie Raquez , Sunder Balakrishnan , Philippe Dubois , Philippe Degee
- 申请人： Ramani Narayan , Jean-Marie Raquez , Sunder Balakrishnan , Philippe Dubois , Philippe Degee
- 申请人地址： US MI East Lansing
- 专利权人： Board of Trustees of Michigan State University
- 当前专利权人： Board of Trustees of Michigan State University
- 当前专利权人地址： US MI East Lansing
- 代理商 Ian C. McLeod
- 主分类号： C08G63/78
- IPC分类号： C08G63/78
摘要：
A polymerization process to derive a thermal-stabilized poly(1,4-dioxan-2-one) and cyclic ester monomer copolymer using a coordination-insertion catalyst/initiator. 1,4-dioxan-2-one and cyclic ester monomer, each containing less than 100-ppm water and having an acid value less than 0.5 mg KOH/g, and preferably less than 0.2 mg KOH/g, are copolymerized. Preferably the cyclic ester monomer is ε-caprolactone and the reaction is in an extruder.
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