摘要:
In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from α-olefin of 3 ∼ 20 carbon atoms, said ethylene copolymers having [A] a density of 0.85 ∼ 0.92 g/cm 3 , [B] an intrinsic viscosity [η] as measured in decalin at 135°C of 0.1 ∼ 10 dl/g, [C] a ratio ( M ¯ w/ M ¯ n) of a weight average molecular weight ( M ¯ w) to a number average molecular weight ( M ¯ n) as measured by GPC of 1.2 ∼ 4, and [D] a ratio (MFR 10 /MFR 2 ) of MFR 10 under a load of 10 kg to MFR 2 under a load of 2.16 kg at 190°C of 8 ∼ 50, and being narrow in molecular weight distribution and excellent in flowability.
摘要:
In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from α-olefin of 3 ∼ 20 carbon atoms, said ethylene copolymers having
[A] a density of 0.85 ∼ 0.92 g/cm 3 , [B] an intrinsic viscosity [η] as measured in decalin at 135°C of 0.1 ∼ 10 dl/g, [C] a ratio ( M ¯ w/ M ¯ n) of a weight average molecular weight ( M ¯ w) to a number average molecular weight ( M ¯ n) as measured by GPC of 1.2 ∼ 4, and [D] a ratio (MFR 10 /MFR 2 ) of MFR 10 under a load of 10 kg to MFR 2 under a load of 2.16 kg at 190°C of 8 ∼ 50, and being narrow in molecular weight distribution and excellent in flowability.
摘要翻译:根据本发明,提供了由衍生自乙烯的结构单元(a)和衍生自3〜20个碳原子的α-烯烃的结构单元(b)组成的乙烯共聚物,所述乙烯共聚物具有[A]密度 0.85〜0.92g / cm 3,[B] 135℃十氢化萘中测得的特性粘度[η]为0.1〜10dl / g,[C]重均 分子量(M w / M n) (GPC)测定的数均分子量(M w)为1.2〜4,[D]在10kg负荷下MFR 10与MFR 2之比(MFR 10 / MFR 2) 190℃时的荷重为2.16kg,为8〜50,分子量分布窄,流动性优异。
摘要:
In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from α-olefin of 3 ∼ 20 carbon atoms, said ethylene copolymers having
[A] a density of 0.85 ∼ 0.92 g/cm 3 , [B] an intrinsic viscosity [η] as measured in decalin at 135°C of 0.1 ∼ 10 dl/g, [C] a ratio ( M ¯ w/ M ¯ n) of a weight average molecular weight ( M ¯ w) to a number average molecular weight ( M ¯ n) as measured by GPC of 1.2 ∼ 4, and [D] a ratio (MFR 10 /MFR 2 ) of MFR 10 under a load of 10 kg to MFR 2 under a load of 2.16 kg at 190°C of 8 ∼ 50, and being narrow in molecular weight distribution and excellent in flowability.
摘要:
In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from α-olefin of 3 ∼ 20 carbon atoms, said ethylene copolymers having [A] a density of 0.85 ∼ 0.92 g/cm 3 , [B] an intrinsic viscosity [η] as measured in decalin at 135°C of 0.1 ∼ 10 dl/g, [C] a ratio ( M ¯ w/ M ¯ n) of a weight average molecular weight ( M ¯ w) to a number average molecular weight ( M ¯ n) as measured by GPC of 1.2 ∼ 4, and [D] a ratio (MFR 10 /MFR 2 ) of MFR 10 under a load of 10 kg to MFR 2 under a load of 2.16 kg at 190°C of 8 ∼ 50, and being narrow in molecular weight distribution and excellent in flowability.