The propylene polymer of the present invention satisfies (1) a 25°C hexane soluble content (H25) of 0-80 wt%; and (2) either no melting temperature (Tm) measurable by differential scanning calorimetry (DSC), or a melting temperature (Tm) satisfying, if measurable by DSC, the following relationship: ΔH≧3 x (Tm - 120) wherein ΔH is a melting endotherm (J/g). The propylene homopolymer of the present invention satisfies (1) a meso pentad fraction (mmmm) of 30-60 mol%; (2) a racemic pentad fraction (rrrr) satisfying the following relationship: [rrrr/(1-mmmm)]≦0.1; (3) a fraction (W25) eluted at a temperatures up to 25°C by temperature-programmed chromatography, of from 20-100 wt%; and, (4) a pentad fraction (rmrm) of more than 2.5 mol%. The propylene copolymer of the present invention satisfies (1) a stereoregularity index (P) of 55-90 mol% as determined by 13C-NMR measurement; and (2) a fraction (W25) eluted at a temperatures up to 25°C by temperature-programmed chromatography, of from 20-100 wt%.
本发明的
丙烯聚合物满足(1)25℃己烷可溶物含量(H25)为0-80 wt%;和(2)没有可通过差示扫描量热法(
DSC)测量的熔化温度(Tm),或者熔化温度(Tm)满足(如果可通过
DSC 测量)以下关系:ΔH≧3 x (Tm - 120),其中ΔH 是熔化内热(J/g)。本发明的
丙烯均聚物满足以下条件:(1) 中间五元组分 (mmmm) 为 30-60 mol%;(2) 外消旋五元组分 (rrrr) 满足以下关系:[rrrr/(1-mmmm)]≦0.1;(3)通过温度程序色谱法在最高 25℃的温度下洗脱的馏分(W25)为 20-100 wt%;(4)五元组分(rmrm)超过 2.5 mol%。本发明的
丙烯共聚物满足以下条件:(1)通过 13C-NMR 测量确定的立体规整度指数 (P) 为 55-90 摩尔%;(2)通过温度程序色谱法在最高 25°C 的温度下洗脱的馏分 (W25) 为 20-100 wt%。