| 摘要 |
A multilayer white opaque plastic film, heat-sealable on one or two sides, suitable for packaging uses. The multilayer film includes a cavitated core layer of polypropylene, a top intermediate tie-layer of polypropylene with interspersed titanium dioxide, a bottom intermediate tie-layer of polypropylene, a top and a bottom skin layer. The top skin layer is formed from a polylefin terpolymer or polypropylene. The top skin layer may include silicon dioxide and an antiblock agent, and optionally may be corona treated. The bottom skin layer is formed from a polylefin terpolymer, and may also include silicon dioxide and one or more antiblock or slip agents.
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