A biomimetic modular polymer with tough and adaptive properties.

A biomimetic modular polymer with tough and adaptive properties.
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DOI:
10.1021/ja9009666
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发表时间:
2009-07-01
影响因子:
15
通讯作者:
Guan Z
Guan Z
中科院分区:
化学1区
文献类型:
--
作者:
Kushner AM;Vossler JD;Williams GA;Guan Z

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天然材料采用许多优雅的策略来实现在不同环境条件下生存所需的机械性能。因此,这些卓越的生物聚合物和纳米复合材料通常不仅具有高模量,韧性和弹性等机械性能的组合,而且还表现出自适应和刺激响应特性。受骨骼肌蛋白肌联蛋白的启发,我们合成了一种仿生模块化聚合物,不仅紧密模仿肌联蛋白的模块化多结构域结构,而且还表现出令人兴奋的机械性能组合,以及自适应特性,如自我修复和温度响应的形状记忆特性。
Natural materials employ many elegant strategies to achieve mechanical properties required for survival under varying environmental conditions. Thus these remarkable biopolymers and nanocomposites often not only have a combination of mechanical properties such as high modulus, toughness, and elasticity, but also exhibit adaptive and stimuli-responsive properties. Inspired by skeletal muscle protein titin, we have synthesized a biomimetic modular polymer that not only closely mimics the modular multi-domain structure of titin, but also manifests an exciting combination of mechanical properties, as well as adaptive properties such as self-healing and temperature-responsive shape-memory properties.
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