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    • 13. 发明申请
    • STIMULI-RESPONSIVE LIQUID CRYSTALLINE NETWORKS
    • 刺激响应液晶网络
    • WO2017127506A1
    • 2017-07-27
    • PCT/US2017/014074
    • 2017-01-19
    • UT-BATTELLE, LLCWASHINGTON STATE UNIVERSITY
    • LI, YuzhanRIOS, OrlandoKESSSLER, Michael Richard
    • C09D163/00
    • C09K19/3814C08G59/28C08G59/4207C08G59/686C08G2280/00
    • Liquid crystalline network compositions comprising azo-containing aromatic epoxy units cross-linked with alkylene diacid units having alkylene segments containing at least one methylene unit, wherein the azo-containing aromatic epoxy units and alkylene diacid units are connected by ester linkages resulting from ring-opening esterification between the epoxy units and alkylene diacids, and wherein the azo-containing aromatic epoxy units and alkylene diacid units are in a molar ratio that results in the liquid crystalline network composition exhibiting a glass transition temperature (Tg) of at least 25°C. Methods for producing these compositions and their use in light- or thermal-activated physical deformation, shape memory applications, and self-healing, as well as their ability to be recycled and used in additive manufacturing processes are also described.
    • 包含含亚烷基的芳族环氧单元与具有含至少一个亚甲基单元的亚烷基链段的亚烷基二酸单元交联的液晶网络组合物,其中含偶氮基的芳族环氧单元和亚烷基二酸单元连接 通过环氧单元与亚烷基二酸之间的开环酯化产生的酯键,并且其中含偶氮基的芳族环氧单元和亚烷基二酸单元的摩尔比使得液晶网络组合物显示出玻璃化转变温度(Tg )至少25℃。 还描述了生产这些组合物的方法以及它们在光或热激活物理变形,形状记忆应用和自我修复中的应用,以及它们在再生制造过程中再循环和使用的能力。