发明名称 |
PROCESS FOR THE PREPARATION OF A PREPOLYMER EPOXY RESIN MIXTURE WITH OXAZOLIDINONE STRUCTURES |
摘要 |
<p>PCT No. PCT/DE93/00583 Sec. 371 Date Mar. 27, 1995 Sec. 102(e) Date Mar. 27, 1995 PCT Filed Jul. 2, 1993 PCT Pub. No. WO94/02524 PCT Pub. Date Feb. 3, 1994.In a process for producing a prepolymer epoxy resin mixture with oxazolidinone structures, an insoluble reaction resin powder which has no isocyanate groups and consists of an epoxy resin mixture containing a reaction accelerator and filler and having isocyanurate structures, is fed to a continuously working reactor and reacted at temperatures up to 200 DEG C., with reactor temperature at 140 DEG -190 DEG C., and then the extruded material is cooled down to a temperature of <50 DEG C. with the aid of a cooling device mounted at the outlet die of the reactor.</p> |
申请公布号 |
EP0650500(B1) |
申请公布日期 |
1997.05.02 |
申请号 |
EP19930912645 |
申请日期 |
1993.07.02 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
MARKERT, HELMUT;DATZ, ARMIN;DONNER, PETER;SCHREYER, MICHAEL |
分类号 |
C08G18/10;C08G18/58;C08G18/79;C08G59/14;C08G59/18;C08G59/40;(IPC1-7):C08G18/00;C08G59/02 |
主分类号 |
C08G18/10 |
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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