Water absorbent pressure sensitive adhesive

Details Water absorbent pressure sensitive adhesive Water absorbent pressure sensitive adhesive

1994-05-31

1995-02-07

Seidleck, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

525227, 525228, 525223, C09J 702, C08L 3306

Patent

active

053874668

ABSTRACT:
A water-absorbent pressure sensitive adhesive composition is provided comprising (a) a continuous phase comprised of a copolymer of a hydrophobic monomer and a hydrophilic monomer, said monomers being present in said copolymer in a weight ratio of from about 50:50 to about 90:10, respectively; and (b) a non-particulate discontinuous phase comprised of domains of a hydrophilic homopolymer or copolymer dispersed throughout said continuous phase.

REFERENCES:
patent: 4931347 (1990-06-01), Slovinsky
patent: 5266402 (1993-11-01), Delgado

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