| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an extrusion foam-molding resin composition suitable for the production of an extrusion foam-molded article in which the ratio of independent air bubbles is high. <P>SOLUTION: This extrusion foam-molding resin composition includes (A): an ethylenic copolymer having a monomer unit based on the ethylene and a monomer unit based on a 3C-20C α-olefin, and having 0.01-10 g/10 min melt flow rate (MFR), <930 Kg/m<SP POS="POST">3</SP>density, ≥5 molecular weight distribution (Mw/Mn) measured by gel permeation chromatography (GPC) and ≥40 kJ/mol flow activation energy, (B): a high pressure method low density polyethylene having 915-925 Kg/m<SP POS="POST">3</SP>density and (C): a polyethylene having ≥930 Kg/m<SP POS="POST">3</SP>density. <P>COPYRIGHT: (C)2012,JPO&INPIT |
