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题名: Biomimetic Gradient Polymers with Enhanced Damping Capacities
作者: Wang, Dong1, 2; Zhang, Huan1, 2; Guo, Jing1, 2; Cheng, Beichen1; Cao, Yuan1; Lu, Shengjun1; Zhao, Ning1; Xu, Jian1
关键词: biomimetic ; damping capacity gradient polymers ; thiol-ene polymers
刊名: MACROMOLECULAR RAPID COMMUNICATIONS
发表日期: 2016-04-01
卷: 37, 期:7, 页:655-661
收录类别: SCI
英文摘要: Designing gradient structures, mimicking biological materials, such as pummelo peels and tendon, is a promising strategy for developing advanced materials with superior energy damping capacities. Here a facile and effective approach for fabricating polymers with composition gradients at millimeter length scale is presented. The gradient thiol-ene polymers (TEPs) are created by the use of density difference of ternary thiolene-ene precursors and the subsequent photo-crosslinking via thiol-ene reaction. The compositional gradients are analyzed via differential scanning calorimeter (DSC), compressive modulus testing, atomic force microscopy (AFM) indentation, and swelling measurements. In contrast to homogeneous TEPs networks, the resultant gradient polymer shows a broader effective damping temperature range combining with good mechanical properties. The present result provides an effective route toward high damping materials by the fabrication of gradient structures.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36003
Appears in Collections:高分子物理与化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Lab Polymer Phys & Chem, Beijing Natl Lab Mol Sci, Zhongguancun North First St 2, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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