期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 28, 页码 23485-23489出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b08844
关键词
elastomer; toughening; biomimetic; multiphase structure; coordination
资金
- National Basic Research Program of China [2015CB654703]
- National Natural Science Foundation of China [51473050, 51320105012, 51521062, 21674010]
It is a challenge to simultaneously achieve high stretchability, high modulus, and recoverability of polymers. Inspired by the multiphase structure of mussel byssus cuticles, we circumvent this dilemma by introducing a deformable microphase-separated granule with rich coordination into a ductile rubber network. The granule can serve as an additional cross-link to improve the modulus, while the sacrificial, reversible coordination can dissociate and reconstruct continuously during stretching to dissipate energy. The elastomer with such a bioinspired multiphase structure exhibits over a 10-fold increase in toughness compared to the original sample. We envision that this work offers a novel yet facile biomimetic route toward high-performance elastomers.
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