Method and chemistry for automatic self-joining of failures...

Details Method and chemistry for automatic self-joining of failures... Method and chemistry for automatic self-joining of failures...

2005-02-22

2005-02-22

Seidleck, James J. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S201000, C523S211000, C428S402210

Reexamination Certificate

active

06858660

ABSTRACT:
A self-joining polymer composition, comprising a polymer, a plurality of amine pendant groups attached to the polymer and a plurality of microcapsules of flowable polymerizable material dispersed in the polymer where the microcapsules of flowable polymerizable material including microcapsules and flowable polymerizable material inside the microcapsules. The microcapsules are effective for rupturing with a failure of the polymer so the flowable polymerizable material cross-links with the reactable pendant groups upon rupture of the microcapsules.

REFERENCES:
patent: 4960465 (1990-10-01), Arfaei
patent: 5326830 (1994-07-01), Aharoni
patent: 6075072 (2000-06-01), Guilbert et al.
patent: 6518330 (2003-02-01), White et al.
Xiangxu Chen, et al., “A Thermally Re-mendable Cross-Linked Polymeric Material”, Science; vol. 295, Issue 5560, Mar. 1, 2002, pp. 1698-1702.
S. R. White, et al., “Nature, Automatic healing of polymer composites”, vol. 409, Feb. 2001, www.nature.com; pp. 794-797.

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