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
DE69225425(T2)
申请公布日期
1998.09.03
申请号
DE1992625425T
申请日期
1992.03.12
申请人
ELF ATOCHEM S.A., PUTEAUX, HAUTS-DE-SEINE, FR
发明人
MAJ, PHILIPPE, F-27230 THIBERVILLE, FR;FORICHON, NOELLE, F-27110 LE NEUBOURG, FR