Radiation curable pressure sensitive adhesives

Details Radiation curable pressure sensitive adhesives Radiation curable pressure sensitive adhesives

1998-06-02

1999-05-04

Mosley, Terressa

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

522 90, 522 97, 522104, 528272, 528296, 528302, C08G 6300

Patent

active

059004738

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.

REFERENCES:
patent: 4668763 (1987-05-01), Muller et al.
patent: 4822829 (1989-04-01), Muller et al.
patent: 5281682 (1994-01-01), Cornforth et al.

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