Polymerizable composition exhibiting permanent color change as cure indicator

A polymerizable acrylate or epoxy composition includes a dye comprised of a conjugated system containing a chromophore that is subject to effective decoupling, by a reactive alkylating species generated by the polymerization initiator, to produce a permanent loss of color and thereby to indicate tha...

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Bibliographische Detailangaben
Hauptverfasser: KHUDYAKOV IGOR V, BACHMANN ANDREW G, CANTOR STEPHEN E
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A polymerizable acrylate or epoxy composition includes a dye comprised of a conjugated system containing a chromophore that is subject to effective decoupling, by a reactive alkylating species generated by the polymerization initiator, to produce a permanent loss of color and thereby to indicate that curing has occurred.