Triple-Shape-Memory Soft Actuators from an Interpenetrating Network of Hybrid Liquid Crystals.

Triple-Shape-Memory Soft Actuators from an Interpenetrating Network of Hybrid Liquid Crystals.
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DOI:
10.1021/acs.macromol.1c00611
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发表时间:
2021-06-22
期刊:
影响因子:
5.5
通讯作者:
Schenning APHJ
Schenning APHJ
中科院分区:
化学1区
文献类型:
--
作者:
Hoekstra DC;Debije MG;Schenning APHJ

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本文报道了基于丙烯酸酯-氧乙烷杂化LC混合物的三形状记忆液晶互穿聚合物网络(LC- ipn)致动器的形成。氧乙烷和丙烯酸酯液晶的正交聚合产生具有两个不同玻璃化转变温度的聚合物薄膜。演示了这两种转换在单向三形状记忆驱动和双向弯曲驱动中的应用,并给出了宽的驱动温度窗。我们的研究结果将形状记忆聚合物与具有先进刺激响应特性的基于液晶的软致动器相结合。
In this work, the formation of triple-shape-memory liquid crystalline-interpenetrating polymer network (LC-IPN) actuators based on a hybrid acrylate-oxetane LC mixture is reported. Orthogonal polymerization of the oxetane and acrylate liquid crystals creates polymer films with two distinct glass-transition temperatures. The use of these two transitions for one-way triple-shape-memory actuation and two-way bending actuation with a broad temperature window for actuation is demonstrated. Our results combine shape memory polymers with liquid crystal-based soft actuators having advanced stimuli-responsive properties.
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