Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1989-09-29
1992-10-13
Davis, Jenna L.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
428447, 524267, 524269, 524272, 525106, C09J 700
Patent
active
051549743
ABSTRACT:
Adhesives compositions having improved cutting properties described herein. Compositions comprise a normally tacky, pressure sensitive acrylic adhesive containing, as an additive to reduce edge flow, from about 2 to about 10 percent by weight dry basis, preferably from about 5 to about 8 percent by weight dry basis based on the weight of polymer solids, of a polydimethylsiloxane having a number average molecular weight of about 1300 to about 15000. Also disclosed are laminates comprising a facing layer coated on one side with the aforedescribed adhesive composition, and optionally a release liner. These adhesive laminates exhibit substantially reduced tendency of the adhesive to ooze at the edge when cut, without material decrease in other adhesive properties, when a multiplicity of laminate sheets is stacked and cut by means of a guillotine. Laminates herein are especially useful as drum and carton labels.
REFERENCES:
patent: 4151319 (1979-04-01), Sackoff et al.
patent: 4346189 (1982-08-01), Laurent
patent: 4579780 (1986-04-01), Shinomiya et al.
Norman Alfred W.
Ricci Carolyn M.
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