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Self‐healing is achieved with a dual‐microcapsule system utilizing epoxy‐amine chemistry in a high temperature cured thermosetting epoxy polymer. One capsule contains a modified aliphatic polyamine prepared by vacuum infiltration of polyoxypropylenetriamine into hollow polymeric microcapsules. The second capsule contains a difunctional epoxide and reactive diluent. Healing efficiency is accessed through...
Hollow poly(urea‐formaldehyde) microcapsules are vacuum infiltrated with a reactive amine curing agent. They are used in dual capsule epoxy‐amine healing chemistry to produce thermally stable self‐healing epoxy polymers by Scott R. White and co‐workers on page 282. Autonomic healing in excess of 90% is achieved in a high Tg (152–213 °C) structural polymer cured at high temperature (121–177 °C).
Self-healing was achieved with a dual-microcapsule epoxy-amine chemistry in thermoset epoxy. One capsule contained a modified aliphatic polyamine (EPIKURE 3274) while the second capsule contained a diluted epoxy monomer (EPON 815C). Amine microcapsules were prepared by vacuum infiltration of EPIKURE 3274 into hollow polymeric microcapsules. Epoxy microcapsules were prepared by an in situ polymerization...
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