| abstract |
delamination resistant heat shrink multilayer oxygen barrier film containing polyester. it is a first multilayer heat shrink film having an outer polyester layer, an O2 barrier layer and a bonding layer between the polyester layer and the barrier layer. the second multilayer film, an outer polyester layer, an inner polyamide layer and a bonding layer between the polyester and polyamide layers. the binding layer comprises a styrene based polymer and the binding layer in the second film comprises a functional anhydride styrene based copolymer. included are a packaging article comprising the film, a packaging process using the film, a process for making the film, and a packaged product comprising a packaging article produced from the film, with a product within the packaging. |