| 发明名称 |
VERFAHREN ZUR HERSTELLUNG VON POLYÄTHERAMIDEBLOCKPOLYMEREN |
| 摘要 |
<p>Block copolymers of formula …<IMAGE>… …<??>They are prepared by reaction in the melt between a diacidic oligoamide A, an oligoetherdiol B and a diacidic coupler C of low molecular mass, whose respective molar percentages a, b and c are such that:… -5 </= a + c - b </= + 5 and c >/= 3</p> |
| 申请公布号 |
AT166085(T) |
申请公布日期 |
1998.05.15 |
| 申请号 |
AT19920400655T |
申请日期 |
1992.03.12 |
| 申请人 |
ELF ATOCHEM S.A. |
发明人 |
MAJ, PHILIPPE;FORICHON, NOELLE |
| 分类号 |
C08G69/40;C08G69/44;(IPC1-7):C08G69/44 |
主分类号 |
C08G69/40 |
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