| 摘要 |
<p>A composition comprises polyethylene, an amide of an 8-30C saturated fatty acid and optionally an auxiliary lubricant and other additives. The composition comprises: (I) polyethylene of standard relative density above 940 kg/m<3> (94.5 wt.%); (II) an amide of a fatty acid (0.05-0.5 wt.%); (III) an auxiliary lubricant (a fatty acid, ester or salt, amide of a mono-unsaturated fatty acid,≥4C polyols, monoether of a mono- or polyalcohol, glycerol ester, paraffin, polysiloxane and/or a fluorinated polymer) (0-0.15 wt.%); and (IV) additive(s) (e.g. antioxidants, anti-acids, anti-UV, colorants or antistatic agents) (0-5 wt.%).</p> |
