Patent ID: 6861478

Claim:
A sealant resin composition comprising 60 to 95 weight percent of an ethylene polymer having a melt flow rate of 0.2 to 30 g/10 min. and a density of 0.900 to 0.940 g/cm 3 and 5 to 40 weight percent of a 1-butene polymer having a melt flow rate of 0.1 to 25 g/10 min. and a 1-butene unit content of 60 to 100 mol. percent, wherein a ratio of the melt flow rate (MFR PE ) of the ethylene polymer to the melt flow rate (MFR PB ) of the 1-butene polymer, i.e., MFR PE /MFR PB , is not less than 1, wherein the composition has a melt flow rate of 0.2 to 30 g/10 min., and a film formed from the composition has a seal strength of 1 to 10 N/15 mm. when the film is heat-sealed at 150° C. and does not substantially produce any thread-like resinous residue when sealed surfaces are peeled apart.