Photoinitiated Cationic Epoxy Compositions

The present invention is directed to photoinitiated cationic epoxy compositions, which show a delayed onset of cure resulting in controllable "open times" for the end user consumer. These compositions are activated by exposure to electromagnetic radiation, such as UV radiation with a wavel...

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Bibliographische Detailangaben
Hauptverfasser:	LEVANDOSKI SUSAN L, KONARSKI MARK M
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention is directed to photoinitiated cationic epoxy compositions, which show a delayed onset of cure resulting in controllable "open times" for the end user consumer. These compositions are activated by exposure to electromagnetic radiation, such as UV radiation with a wavelength In the range of 254-405 nm, but show a commercially meaningful "open time" and then cure even in shaded zones to achieve a desired final adhesive strength.