| 摘要 |
<p>A heat sealable, multi-layer, oriented plastics film structure which possesses a low coefficient of friction, excellent antistatic properties and good optical clarity comprises: a) a core layer compising a crystalline polyolefin comprising an antistatic additive, both surfaces of which layer are coated, directly or indirectly, with b) at least one heat-sealable layer comprising a polyolefin of comparatively low stereoregularity and an antiblocking agent, characterized in that only one of the external layers (b) contains silicone oil, this being transferable in service to the other external layer (b).</p> |
