Process for preparing heat shrinkable polyethylene film

B - Operations – Transporting – 29 – C

Patent

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B29C 49/64 (2006.01) B29C 55/00 (2006.01) B29C 55/28 (2006.01) B29C 61/00 (2006.01) C08L 23/08 (2006.01) B29C 61/08 (2006.01)

Patent

CA 1294101

Abstract of the Disclosure A process for preparing a heat shrinkable ethylene polymer film by expansion and extension of the tube under particular conditions for heating the expanding tube. The heat schrinkable film obtained according to the present invention has little variation in thickness, is low in heat schrinkability at low temperature and is excellent in transparency.

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