发明名称 |
Method for producing benzoxazine resin |
摘要 |
The present invention discloses a process for producing a benzoxazine resin which comprises the steps of reacting a phenol compound, an aldehyde compound and a primary amine in the presence of an organic solvent to synthesize a benzoxazine resin and removing generated condensation water and the organic solvent from a system under heating and a reduced pressure, wherein a pressure in the reaction system at the time of removal is set to 260 mmHg or higher.
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申请公布号 |
US2004138345(A1) |
申请公布日期 |
2004.07.15 |
申请号 |
US20030471204 |
申请日期 |
2003.09.10 |
申请人 |
AIZAWA TERUKI;HIRAI YASUYUKI;NUMATA SYUNICHI |
发明人 |
AIZAWA TERUKI;HIRAI YASUYUKI;NUMATA SYUNICHI |
分类号 |
C08G14/06;C08G14/073;(IPC1-7):C08K5/05 |
主分类号 |
C08G14/06 |
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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