Paperboard/polymer laminate for blister pack

Details Paperboard/polymer laminate for blister pack Paperboard/polymer laminate for blister pack

1990-04-16

1992-02-25

Buffalow, Edith L.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428 342, 4285375, 206461, B32B 2308

Patent

active

050912615

ABSTRACT:
A laminate for blister pack applications is comprised of a paperboard substrate having a first printable surface and a second surface onto which there is applied a polymeric coating suitable for adhering the plastic blister to the paperboard. The polymeric coating comprises a coextrusion consisting of a polyolefin material such as low density polyethylene (LDPE) which gives good adhesion to the paperboard surface and an adhesive material such as an ethylene-methyl acrylate copolymer (EMA) which gives good adhesion to the plastic blister.

REFERENCES:
patent: 3734798 (1973-05-01), Dooley

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