| 摘要 |
<p>Provided is a multilayer film having an excellent elongation recovery rate, excellent elongation recovery force, excellent tear strength, and excellent impact strength. A tube-shaped ethylene resin multilayer film having: a core layer containing 50-100 wt% of an ethylene resin (A) fulfilling requirements (a1, a2, a3) and 0-50 wt% of an ethylene resin (B) different from the ethylene resin (A) and fulfilling requirements (b1, b2); and two surface layers containing an ethylene-a-olefin copolymer (C) fulfilling requirements (c1, c2, c3). a1: Less than 0.1 per 1,000 carbon atoms of Nc5. a2: At least 40 kJ/mol of Ea. a3: Density of 900-921 kg/m3. b1: A Vicat softening temperature of no more than 100°C. b2: 0.1-5g/10 mins of MFR. c1: Less than 40 kJ/mol of Ea. c2: 0.1-2g/10 mins of MFR. c3: Density of 900-925 kg/m3.</p> |
