Radiation curable pressure sensitive adhesives
AssigneeH.B. Fuller Licensing & Financing, Inc.
InventorsMargarita Acevedo, Hans F. Huber
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Abstract
The present invention discloses radiation curable pressure-sensitive adhesives comprising the reaction product of a blend of at least two hydroxy polyesters having different Tgs, and at least one prepolymer functionalized with (Meth) acrylates, isocyanates and mixtures thereof. The present invention further discloses a blend of at least two hydroxy polyesters wherein at least one of the hydroxy polyesters has a Tg of less than -35.degree. C., and at least one of the other hydroxy polyesters has a Tg of greater than about -35.degree. C.
Claims20
A radiation curable composition comprising the reaction product of at least two hydroxy polyesters having different Tgs and at least one prepolymer functionalized with (Meth) acrylates, isocyanates and mixtures thereof, wherein the difference in Tg is at least about 10.degree. C.
Dependencies are inferred from the claim text.