Polydimethylsiloxane-based self-healing materials

被引:415
作者
Cho, SH
Andersson, HM
White, SR
Sottos, NR
Braun, PV [1 ]
机构
[1] Univ Illinois, Beckman Inst Adv Sci & Technol, Urbana, IL 61801 USA
[2] Univ Illinois, Frederick Seitz Mat Res Lab, Dept Mat Sci & Engn, Urbana, IL 61801 USA
[3] Univ Illinois, Dept Aerosp Engn, Urbana, IL 61801 USA
[4] Univ Illinois, Dept Theoret & Appl Mech, Urbana, IL 61801 USA
关键词
D O I
10.1002/adma.200501814
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Polydimethylsiloxane-based self-healing is achieved through the tin-catalyzed polycondensation of phase-separated droplets. The catalyst is released into the crack plane when microcapsules containing a tin compound are ruptured by the advancing crack (see figure). This system greatly extends the capability of self-healing polymers by introducing a new, stable healing chemistry into a structural polymer matrix and may provide a route to self-healing in harsh and corrosive environments.
引用
收藏
页码:997 / +
页数:5
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