Energy curable pressure-sensitive adhesive compositions

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer

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428355, 522 4, 522 18, 522 24, 522 28, 522 29, 522 96, 522174, 522182, C09J 402, C09J13308, C09J17504, B32B 712

Patent

active

054627974

ABSTRACT:
The present invention provides a pressure-sensitive adhesive composition and a method for producing the same. The pressure-sensitive adhesive composition is produced by the combination of at least one free-radically photopolymerizable monomer and at least one set of polyurethane precursors, and a suitable photoinitiation system consisting of at least one salt of a cationic organometallic complex, an additional free-radical photo initiator and the application of sufficient energy to photopolymerize same by sequential exposure to visible electromagnetic radiation and then to ultraviolet electromagnetic radiation.

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Herze et al., "Pressure Sensitive Adhesives Obtained by Irradiation", RADCURE '86 Conference Proceedings, 1986.

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