초록

the orthodichlorobenzene-soluble content X satisfies relationship (IV): EQU X<9.8.times.10.sup.3 .times.(0.9300-d+0.008.times.logMFR).sup.2 +2.0(IV)

대표청구항 ▼

[ What is claimed is:] [1.] An ethylene-.alpha.-olefin copolymer having:(A) a density d of 0.86 to 0.96 g/cm.sup.3 ;(B) a melt flow rate MFR of 0.01 to 200 g/10 min;(C) a molecular weight distribution Mw/Mn of 1.5 to 4.5;(D) a composition distribution parameter Cb of 1.08 to 2.00;(E) an orthodichlor

[ What is claimed is:] [1.] An ethylene-.alpha.-olefin copolymer having:(A) a density d of 0.86 to 0.96 g/cm.sup.3 ;(B) a melt flow rate MFR of 0.01 to 200 g/10 min;(C) a molecular weight distribution Mw/Mn of 1.5 to 4.5;(D) a composition distribution parameter Cb of 1.08 to 2.00;(E) an orthodichlorobenzene-soluble content X (wt %) at 25.degree. C., a density d (g/cm.sup.3) and a melt flow rate MFR (g/10 min) satisfying that:(i) when the density (d) and the melt flow rate MFR satisfy relationship (I): EQU d-0.008.times.logMFR.gtoreq.0.93 (I)the orthodichlorobenzene-soluble content X satisfies relationship (II): EQU X<2.0 (II)(ii) when the density d and the melt flow rate MFR satisfy relationship (III): EQU d-0.008.times.logMFR<0.93 (III)the orthodichlorobenzene-soluble content X satisfies relationship (IV): EQU X<9.8.times.10.sup.3 .times.(0.9300-d+0.008.times.logMFR).sup.2 +2.0(IV);and(F) a number of peaks on an elution temperature-eluted amount curve determined by continuous temperature rising elution fractionation method TREF is 2 or more.