Wax-protected catalyst microspheres for efficient self-healing materials

被引：313

作者：

Rule, JD

Brown, EN

Sottos, NR

White, SR

Moore, JS ^{[1
]}

机构：

[1] Univ Illinois, Beckman Inst Adv Sci & Technol, Urbana, IL 61801 USA

[2] Univ Illinois, Dept Chem, Urbana, IL 61801 USA

[3] Univ Illinois, Dept Theoret & Appl Mech, Urbana, IL 61801 USA

[4] Univ Illinois, Dept Aerosp Engn, Urbana, IL 61801 USA

来源：

ADVANCED MATERIALS | 2005年 / 17卷 / 02期

关键词：

D O I：

10.1002/adma.200400607

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Microspheres of wax containing embedded Grubbs' catalyst are generated by congealing a molten aqueous suspension. Even with a ten-fold reduction in catalyst concentration from previous systems, these microspheres produce unprecedented levels of toughness recovery in a polymeric self-healing material (see Figure). Unlike the previously reported systems, samples healed with the wax microspheres show nonlinear fracture behavior. A protocol that addresses this nonlinearity is employed to measure healing efficiency.

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页码：205 / +

页数：5

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