| 发明名称 |
OLIGOMERIZATION, POLYMERIZATION AND COPOLYMERIZATION OF SUBSTITUTED AND UNSUBSTITUTED alpha -METHYLENE- gamma -BUTYROLACTONES AND PRODUCTS THEREOF |
| 摘要 |
This invention relates to the oligomerization, polymerization and copolymerization of substituted and unsubstituted alpha -methylene- gamma -butyrolactones and the products thereof. Cobalt (II) and cobalt (III) chain transfer catalysts are used to control the molecular weight and impart an aromatic functionality to the products formed.
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| 申请公布号 |
WO0035960(A2) |
申请公布日期 |
2000.06.22 |
| 申请号 |
WO1999US28243 |
申请日期 |
1999.11.30 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY;GRIDNEV, ALEXEI ALEXEYEVICH;ITTEL, STEVEN, DALE |
发明人 |
GRIDNEV, ALEXEI ALEXEYEVICH;ITTEL, STEVEN, DALE |
| 分类号 |
C08L37/00;C08F2/00;C08F24/00;(IPC1-7):C08F2/00 |
主分类号 |
C08L37/00 |
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