发明名称 |
PROCESS FOR THE PREPARATION OF POLYETHEROLS FROM ALKYLENE OXIDES |
摘要 |
A process for the preparation of polyetherols, comprising the following steps: a) reaction of at least one starter compound with at least one alkylene oxide and a catalyst to give a crude polyetherol and b) removal of low molecular weight byproducts from the crude polyetherol from step a), wherein the crude polyetherol is treated with a stripping gas in a column having internals. |
申请公布号 |
US2012130134(A1) |
申请公布日期 |
2012.05.24 |
申请号 |
US201013387540 |
申请日期 |
2010.07.27 |
申请人 |
SCHOPOHL MATTHIAS;OSTROWSKI THOMAS;MECKELNBURG DIRK;JOVANOVIC RENATA;LOEFFLER ACHIM;PALLASCH HANS-JUERGEN;FRIESE THORSTEN;SCHAUSS ECKARD;SZESCHKUS SUSANNE;CHILEKAR VINIT;SCHWARZ HANS VOLKMAR;BASF SE |
发明人 |
SCHOPOHL MATTHIAS;OSTROWSKI THOMAS;MECKELNBURG DIRK;JOVANOVIC RENATA;LOEFFLER ACHIM;PALLASCH HANS-JUERGEN;FRIESE THORSTEN;SCHAUSS ECKARD;SZESCHKUS SUSANNE;CHILEKAR VINIT;SCHWARZ HANS VOLKMAR |
分类号 |
C07C29/04 |
主分类号 |
C07C29/04 |
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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