| 发明名称 |
Block polyetheramides, process for their synthesis |
| 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 |
AU648393(B2) |
申请公布日期 |
1994.04.21 |
| 申请号 |
AU19920012910 |
申请日期 |
1992.03.13 |
| 申请人 |
ELF ATOCHEM S.A. |
发明人 |
PHILIPPE MAJ;NOELLE FORICHON |
| 分类号 |
C08G69/40;C08G69/44;(IPC1-7):C08G65/34;C08G69/14 |
主分类号 |
C08G69/40 |
| 代理机构 |
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代理人 |
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| 主权项 |
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