发明授权
US4785061A Method for reducing the aliphatic halide content of epoxy resins using a
solvent mixture including a polar aprotic solvent
失效
使用包含极性非质子溶剂的溶剂混合物降低环氧树脂的脂族卤化物含量的方法
- 专利标题: Method for reducing the aliphatic halide content of epoxy resins using a solvent mixture including a polar aprotic solvent
- 专利标题(中): 使用包含极性非质子溶剂的溶剂混合物降低环氧树脂的脂族卤化物含量的方法
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申请号: US85046申请日: 1987-08-13
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公开(公告)号: US4785061A公开(公告)日: 1988-11-15
- 发明人: Chun S. Wang , Zeng-Kun Liao
- 申请人: Chun S. Wang , Zeng-Kun Liao
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: C08G59/02
- IPC分类号: C08G59/02 ; C08G59/00 ; C08G59/14 ; C08G85/00 ; C08J3/00
摘要:
The total halide content of epoxy resins is reduced by heating a resin containing undesirable halide dissolved in a solvent mixture containing at least one polar aprotic solvent in the presence of an alkali metal hydroxide for a time sufficient to reduce the total halide content.
公开/授权文献
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