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    • 6. 发明申请
    • PROPYLENE POLYMERS WITH IMPROVED PROPERTIES
    • 具有改进性能的丙烯聚合物
    • WO2002094894A1
    • 2002-11-28
    • PCT/EP2002/005548
    • 2002-05-21
    • BOREALIS TECHNOLOGY OYMCGOLDRICK, JamesRUEMER, FranzSCHIESSER, StefanLIEDAUER, Siegfried
    • MCGOLDRICK, JamesRUEMER, FranzSCHIESSER, StefanLIEDAUER, Siegfried
    • C08F110/06
    • C08K5/0083C08F10/06C08F110/06C08F210/06C08F297/083C08F4/6465C08L23/12C08L53/00C08F2500/12C08F2500/15C08F210/16
    • The invention relates to novel propylene polymers with improved properties especially with improved stiffness and impact strength comprising propylene homopolymers or propylene block copolymers with 90.0 to 99.9 wt% propylene and 0.1 to 10 wt% α-olefins with 2 or 4 to 18 carbon atoms, or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are β-nucleated propylene polymers, whereby the β-nucleated propylene homopolymers have an IRτ ≥0.98, a tensile modulus ≥1500 MPa at +23° C and a Charpy impact strength, ≥3 kJ/m 2 at -20° C using notched test specimens, and the β-nucleated propylene block copolymers are polymers having an IRτ of the propylene homopolymer block of ≥0.98, a tensile modulus ≥1100 MPa at +23° C and a Charpy impact strength of ≥6 kJ/m 2 , at -20° C using notched test specimens. The propylene polymers with an improved property spectrum are suitable for producing molded parts in a pipe system, such as pipes and fittings, inspection chambers, pipe ducting systems, extrusion or compression molded sheets and the like.
    • 本发明涉及具有改进性能的新型丙烯聚合物,特别是具有改善的硬度和冲击强度,其包括丙烯均聚物或具有90.0-99.9wt%丙烯和0.1-10wt%具有2或4至18个碳原子的α-烯烃的丙烯嵌段共聚物,或 其中丙烯均聚物或丙烯嵌段共聚物是β-成核丙烯聚合物,其中β-成核丙烯均聚物具有IR = 0.98,+ 23℃下的拉伸模量> / = 1500MPa和Charpy 冲击强度,> = 3kJ / m 2,使用缺口试样,β-单烯基丙烯嵌段共聚物是具有丙烯均聚物嵌段的IRτ值≥0.98的聚合物,拉伸强度 模量> / = 1100MPa,+ 23℃,夏氏冲击强度> = 6kJ / m 2,在-20℃下使用缺口试样。 具有改进的性能谱的丙烯聚合物适用于在管道系统中制造模制件,例如管道和配件,检查室,管道管道系统,挤出或压缩成型片材等。
    • 7. 发明申请
    • PROPYLENE POLYMER PIPES FOR PIPELINES
    • 丙烯聚合物管道用于管道
    • WO2002094895A1
    • 2002-11-28
    • PCT/EP2002/005549
    • 2002-05-21
    • BOREALIS TECHNOLOGY OYMCGOLDRICK, JamesLIEDAUER, SiegfriedEK, Carl-Gustaf
    • MCGOLDRICK, JamesLIEDAUER, SiegfriedEK, Carl-Gustaf
    • C08F110/06
    • C08K5/0083C08F10/06C08F110/06C08F210/06C08F297/083F16L9/12Y10T428/1352Y10T428/139Y10T428/1393Y10T428/1397C08F4/6465C08L23/12C08L53/00C08F2500/12C08F2500/15C08F210/16
    • Single- or multilayer propylene polymer pipes and pipe components for pipelines with improved resistance to rapid crack propagation made from a propylene homopolymer with a melt index of 0.05 to 10 g/10 min at 230 °C/2.16 kg or propylene block copolymer from 90.0 to 99.9 wt% of propylene and 0.1 to 10.0 wt% of α-olefins with 2 or 4 to 18 carbon atoms with a melt index of 0.05 to 8 g/10 min at 230 °C/2.16 kg or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are β-nucleated propylene polymers, and the propylene polymer pipes for pipelines made from the β-nucleated propylene homopolymers have a rapid crack propagation characterized by a critical temperature of -5 to + 40 °C and a critical pressure ≥3 bar below the critical temperature and the propylene polymer pipes made from β-nucleated propylene block copolymers have a rapid crack propagation characterized by a critical temperature of -25 to 0 °C and a critical pressure ≥3 bar below the critical temperature. The propylene polymer pipes with improved resistance to rapid crack propagation are suitable for the transportation of fluids and pressurized fluids such as natural gas, water and the like.
    • 用于管道的单层或多层丙烯聚合物管道和管道组件具有改进的抗快速裂纹扩展的能力,其由230℃/ 2.16kg熔体指数为0.05-10g / 10min的丙烯均聚物或90.0至 99.9重量%的丙烯和0.1至10.0重量%的具有2或4至18个碳原子的α-烯烃,在230℃/ 2.16kg下的熔体指数为0.05至8克/ 10分钟或其混合物,其中丙烯均聚物 或丙烯嵌段共聚物是β-成核丙烯聚合物,并且由β-成核丙烯均聚物制成的管道的丙烯聚合物管具有快速的裂纹扩展,其特征在于临界温度为-5至+ 40℃,临界压力> =低于临界温度3巴,由β-单核丙烯嵌段共聚物制成的丙烯聚合物管具有快速的裂纹扩展,其特征在于临界温度为-25至0℃,临界压力 > / = 3 bar以下的临界温度。 具有改善的抗快速裂纹扩展性能的丙烯聚合物管适用于输送流体和加压流体,例如天然气,水等。