Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1996-03-06
1998-01-27
Krynski, William
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
428195, 428337, 428343, 4284111, 428500, 428522, B32B 712
Patent
active
057120315
ABSTRACT:
A multilayer film useful for making plastic adhesive labels for glass substrates such as glass bottles. The multilayer films contain a base layer, an adhesive layer, and optionally an intermediate layer to improve interlayer bonding between the base layer and the adhesive layer. The adhesive layer comprises a terpolymer of ethylene, 3-10 weight percent of an ethylenically unsaturated carboxylic acid (e.g. acrylic acid or methyacrylic acid), and 3-25 weight percent of an unsaturated ester (e.g., methyl, ethyl, or n-butyl acrylate or methacrylate). The base layer preferably comprises oriented polypropylene or oriented polyester, but may also comprise high density polyethylene or PETG. The multilayer film can be utilized in conventional graphics printing operations and do not require the use of a separate release liner. Labels made from films of the present invention exhibit sufficient adhesion to glass substrates to withstand washing/rinsing, filling, and pasteurization processes utilized in the bottling industry.
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Kelch Robert H.
Tung Harvey C.
Hill Stanley K.
Krynski William
The Dow Chemical Company
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