The invention relates to a precursor for shape memory polymer network compositions, which are able to hold more than one shape in memory (M-SMP precursor), that includes at least two different oligomeric segments, wherein the precursor includes at least one crosslinkable group, and can be crosslinked to obtain a shape memory polymer network, which is able to hold more than one shape in memory (M-SMP network), characterized in that the precursor is a composition of one of formulae (I-A) to (I-G).
本发明涉及一种用于形状记忆聚合物网络组合物的前体,该组合物能够保持一种以上的记忆形状(M-
SMP 前体),它包括至少两个不同的低聚物段,其中前体包括至少一个可交联基团,并可通过交联获得形状记忆聚合物网络,该网络能够保持一种以上的记忆形状(M-
SMP 网络),其特征在于前体是式 (I-A) 至 (I-G) 中的一种组合物。