| 摘要 |
As a means to improve the adhesiveness of a wax coated surface on a polypropylene substrate film, so that a thermal stripe seal can be suitably adhered thereto, an adhesive promoting composition comprising a neutralized olifin-unsaturated acid ionomer, and a cross-linkable formaldehyde resin admixed into and applied to the polypropylene surface together with, an emulsion of wax and a binder therefore. The preferred ionomer is surlyn resin and the preferred cross-linkable resin is melamine-formaldehyde. |
