Olefin-based polymer

1 . An olefin-based polymer satisfying the following conditions (1) to (4):

(1) a melt index (190° C., 2.16 kg load conditions) is from 0.1 to 10.0 g/10 min,

(2) a density is from 0.875 to 0.895 g/cc,

(3) an elution temperature (Te) measured by cross-fractionation chromatography (CFC) is from 30 to 40° C., and

(4) 8.0≤P (75)−P (50)≤12.0 is satisfied when measuring CFC,

wherein P (75) and P (50) are an elution amount (wt %) in a temperature range of −20 to 75° C., and an elution amount (wt %) in a temperature range of −20 to 50° C., respectively, on a temperature-elution amount graph measured by CFC.

2 . The olefin-based polymer according to claim 1 , further satisfying the following condition (5):

(5) a melt flow rate ratio (MI 10 /MI 2.16 ) is from 5 to 10.

3 . The olefin-based polymer according to claim 1 , further satisfying the following condition (6):

(6) a melting temperature (Tm) measured by differential scanning calorimetry (DSC) is from 55 to 90° C.

4 . The olefin-based polymer according to claim 1 , further satisfying the following condition (7):

(7) a glass transition temperature (Tg) measured by differential scanning calorimetry (DSC) is from −70 to −30° C.

5 . The olefin-based polymer according to claim 1 , further satisfying the following condition (8):

(8) a weight average molecular weight is from 10,000 to 500,000 g/mol.

6 . The olefin-based polymer according to claim 1 , further satisfying the following condition (9):

(9) a molecular weight distribution (MWD) is from 0.1 to 6.0.

7 . The olefin-based polymer according to claim 1 , further satisfying the following condition (10):

(10) a soluble fraction (SF) at −20° C. when measuring cross-fractionation chromatography (CFC) is 2 wt % or less.

8 . The olefin-based polymer according to claim 1 , wherein the olefin-based polymer is a copolymer of ethylene and an alpha-olefin comonomer of 3 to 12 carbon atoms.

9 . The olefin-based polymer according to claim 8 , wherein the alpha-olefin comonomer is one or more selected from the group consisting of propylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-heptene, 1-octene, 1-decene, 1-undecene, and 1-dodecene.

10 . The olefin-based polymer according to claim 8 , wherein the olefin-based polymer is a copolymer of ethylene and 1-butene.

11 . The olefin-based polymer according to claim 8 , wherein the alpha-olefin comonomer is included in an amount of 90 wt % or less based on the total weight of the copolymer.

12 . The olefin-based polymer according to claim 1 , wherein the olefin-based polymer is prepared by polymerizing an olefin-based monomer by injecting a hydrogen gas at 20 to 100 cc/min in the presence of a catalyst composition comprising a transition metal compound of Formula 1:

in Formula 1,

R 1 groups are the same or different and each independently hydrogen, alkyl of 1 to 20 carbon atoms, alkenyl of 2 to 20 carbon atoms, aryl, silyl, alkylaryl, arylalkyl, or metalloid radical of a metal in group 4, which is substituted with hydrocarbyl;

R 2 groups are the same or different and each independently hydrogen, halogen, alkyl of 1 to 20 carbon atoms, aryl, alkoxy, aryl oxy, or amido, and two or more among R 2 groups are optionally connected with each other to form an aliphatic ring or an aromatic ring;

R 3 groups are the same or different and each independently hydrogen, halogen, alkyl of 1 to 20 carbon atoms, alkenyl of 2 to 20 carbon atoms, aryl, alkylaryl, arylalkyl, alkoxy of 1 to 20 carbon atoms, aryloxy, or amido, and two or more R 3 groups are optionally connected with each other to form an aliphatic or aromatic ring;

M is a transition metal in group 4; and

Q 1 and Q 2 are each independently halogen, alkyl of 1 to 20 carbon atoms, alkenyl, aryl, alkylaryl, arylalkyl, alkyl amido of 1 to 20 carbon atoms, or aryl amido.

13 . The olefin-based polymer according to claim 12 , wherein the catalyst composition comprises a transition metal compound of Formula 1-1: