| 摘要 |
<p>A film coated with a surfactant or residue of a surfactant is disclosed. The film comprises, or is produced from, an ethylene copolymer or modified ethylene copolymer or ionomer thereof and a tackifier. The ethylene copolymer is a copolymer or terpolymer or tetrapolymer comprising repeat units derived from ethylene and about 5 to about 50 wt % of a polar monomer. The tackifier can comprise para-coumarone-indene resins, terpene resins, butadiene-styrene resins, polybutadiene resins, hydrocarbon resins, rosins, or combinations of two or more thereof. The monomer can be vinyl alkanoic acid, acrylic acid, alkyl acrylic acid, or alkyl acrylate, or combinations of two or more thereof.</p> |
