Self-Healing Materials Based on Disulfide Links

被引：848

作者：

Canadell, Judit ^{[1
]}

Goossens, Han ^{[2
]}

Klumperman, Bert ^{[1
,3
]}

机构：

[1] Eindhoven Univ Technol, Fac Chem Engn & Chem, Polymer Chem Lab, NL-5600 MB Eindhoven, Netherlands

[2] Eindhoven Univ Technol, Fac Chem Engn & Chem, Lab Polymer Technol, NL-5600 MB Eindhoven, Netherlands

[3] Univ Stellenbosch, Dept Chem & Polymer Sci, ZA-7602 Matieland, South Africa

来源：

MACROMOLECULES | 2011年 / 44卷 / 08期

基金：

新加坡国家研究基金会;

关键词：

REVERSIBLE CROSS-LINKING; POLYMERIC MATERIALS; EPOXY-RESINS; GELATION; RUBBER; RECLAMATION; MECHANISM;

D O I：

10.1021/ma2001492

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Autonomous healing of damage is a common phenomenon in living organisms but is hardly ever encountered in synthetic materials. Disulfide chemistry is used to introduce a self-healing ability in a covaleritly cross-linked rubber. Autonomous healing of a cut takes place at moderate temperatures and leads to full recovery of mechanical properties. This result is achieved by introducing disulfide groups in the network that are able to exchange, leading to renewal of cross-links across the damaged surfaces. The healing process can be repeated many times. The combination of their unique self-healing properties and applicability for a large variety of polymers makes this approach ideal for coatings.

引用

页码：2536 / 2541

页数：6

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