Patent ID: 6673464
Filing Date: 2004-01-06
Classification: C08J,C08L,Y10T

Abstract:
A soft resin composition for injection molding comprising:(A) 94 to 99 parts by weight of an ethylene/&agr;-olefin copolymer comprising ethylene and an &agr;-olefin of 3 to 10 carbon atoms and having (i) a Shore A hardness (JIS K 6253) of 40 to 95, (ii) a melt flow rate (MFR2.16) as measured at 190Â° C. under 2.16 kg load in accordance with ASTM D 1238 of 1.0 to 20 g/10 min, and (iii) a density (ASTM D 1505) of 855 to 900 kg/m3; and (B) 1 to 6 parts by weight of a homo- or copolymer of polyethylene having (i) a melt flow rate (MFR2.16) as measured at 190Â° C. under 2.16 kg load in accordance with ASTM D 1238 of 0.1 to 100 g/10 min, (ii) a density (ASTM D 1505) of 910 to 925 kg/m3, and (iii) a melt tension measured at 190Â° C. and the MFR2.16 satisfying the following relation: melt tension>4.0 Ã—(MFR2.16)âˆ’0.84, wherein the sum of the component (A) and the component (B) is 100 parts by weight.