发明名称 |
PREPARATION PROCESS AND PRODUCT OF DIALKYL PHOSPHINATE |
摘要 |
The present provides a process for preparing dialkyl phosphinate, comprising: (1) firstly adding 0-99% of the total weight of phosphinic acids and/or salts thereof and a solvent into a reaction kettle;(2) in the reaction kettle in the presence of alkene and initiator, continuously adding 1-100% of the total weight of the phosphinic acids and/or salts thereof into the reaction system, during the addition process, when the mole contents of monoalkyl phosphinic acids and/or salts thereof account for 10% or less of the total molar contents of phosphorus in the reaction system, stopping adding the phosphinic acids and/or salts thereof. Also providing a dialkyl phosphinate flame retardant prepared by above preparation process. |
申请公布号 |
EP3127911(A1) |
申请公布日期 |
2017.02.08 |
申请号 |
EP20140888055 |
申请日期 |
2014.04.01 |
申请人 |
Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences;Presafer Qingyuan Phosphor Chemical Company Limited |
发明人 |
YAO, Qiang;ZHAO, Yueying;TANG, Tianbo;ZHOU, Kan |
分类号 |
C07F9/30;C08K5/5313 |
主分类号 |
C07F9/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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