High mechanical performance polyurea/organoclay nanocomposites

Dongyu Cai, Mo Song

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28 引用 (Scopus)

摘要

This study reported that the intercalation of C20 organoclay was achieved in polyurea (PUr) matrices. The significant reinforcement was observed in a highly crosslinked PUr (HPUr), in which the Young's modulus, stress and elongation at break was improved by ~40%, ~110% and ~50%, respectively, with the addition of 5. wt% C20. The energy dissipation of HPUrs was more than doubled by 5. wt% C20 at the strain of 50% and 100%. It was also found that the reinforcement was not equally significant in a lowly crosslinked PUr, indicating that macromolecular structure of the PUr matrices was important for optimizing the nano-effect in the nanocomposites.

源语言英语
页(从-至)44-48
页数5
期刊Composites Science and Technology
103
DOI
出版状态已出版 - 28 10月 2014
已对外发布

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