申请人:Mnemoscience GmbH
公开号:EP2075272A1
公开(公告)日:2009-07-01
The invention relates to a shape memory polymer precursor, that is a thermoplastic composition, and includes at least one block polymer comprising at least polymer blocks originating from an oligomeric diol, that are linked by a diisocyanate, wherein the block polymer optionally includes an additional unit also linked by the diisocyanate, characterized in that the diisocyanate, and/or the additional unit include(s) at least one crosslinkable group, and that the precursor can be crosslinked to obtain a shape memory polymer network, as well as to shape memory polymer networks obtained therefrom by crosslinking.
本发明涉及一种形状记忆聚合物前体,它是一种热塑性组合物,包括至少一种嵌段聚合 物,嵌段聚合物至少包括源自低聚二元醇的聚合物嵌段,这些嵌段由二异氰酸酯连接, 其中嵌段聚合物可选择包括也由二异氰酸酯连接的附加单元、其特征在于,二异氰酸酯和/或附加单元包括至少一个可交联基团,前体可通过交联获得形状记忆聚合物网络,也可通过交联获得形状记忆聚合物网络。