B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/29
B05D 5/10 (2006.01) C09J 7/02 (2006.01)
Patent
CA 1092449
POLYOLEFIN RIBBON HAVING REMOISTENABLE ADHESIVE BONDED THERETO ABSTRACT OF THE DISCLOSURE An inexpensive, easy-to-produce, adhesive-coated polyolefin ribbon or the like is provided which has desir- able remoistenability and excellent peel strength charac- teristics, notwithstanding elimination of the need of physically treating the polyolefin substrate prior to ad- hesive coating by methods such as chemical etching or other means of surface abrading. A primer layer is applied and bonded directly to the polyolefin ribbon without any pre- liminary treatement thereof, and a remoistenable adhesive layer containing polyvinyl alcohol is applied over the primer layer and bonded thereto to complete the ribbon. In preferred forms, the primer layer includes respective quan- tities of ethylene vinyl acetate and chlorinated polyolefin material, and this has been shown to synergistically bond to both the substrate and polyvinyl alcohol remoistenable adhesive applied thereover. A method of producing the ribbon is also provided and includes the steps of sequen- tially applying and drying the initially liquid primer and adhesive layers to the substrate to present the final re- moistenable ribbon product.
279920
Gowling Lafleur Henderson Llp
Hallmark Cards Incorporated
LandOfFree
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