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    • 31. 发明申请
    • RANDOM PROPYLENE COPOLYMER WITH HIGH STIFFNESS AND LOW HAZE
    • 随机丙烯共聚物,具有高刚度和低湿度
    • WO2012159927A1
    • 2012-11-29
    • PCT/EP2012/058985
    • 2012-05-15
    • BOREALIS AGPOTTER, ElisabethDOSHEW, PetarKHEIRANDISH, SaeidLESKINEN, PauliGAHLEITNER, Markus
    • POTTER, ElisabethDOSHEW, PetarKHEIRANDISH, SaeidLESKINEN, PauliGAHLEITNER, Markus
    • F01D5/02F01D5/34C08L23/14
    • C08L23/142C08F210/06C08F210/16C08F2500/12C08F2/34C08F2/14C08F2/001
    • Process for the preparation of a propylene copolymer, said process is a sequential polymerization process comprising at least two reactors connected in series, wherein said process comprises the steps of (A) polymerizing in a first reactor propylene and optionally ethylene and /or a C 4 to C 12 a-olefin, obtaining a polypropylene fraction (A), (B) transferring said polypropylene fraction (A) and unreacted comonomers from the first reactor into a second reactor, (C) feeding to said second reactor propylene and ethylene and /or a C4 to C12 a-olefin, (D) polymerizing in said second reactor and in the presence of said polypropylene fraction (A) propylene and ethylene and /or a C 4 to C 12 a-olefin, obtaining a propylene copolymer fraction (B), said polypropylene fraction (A) and said propylene copolymer fraction (B) form the propylene copolymer, wherein further the temperature in the first reactor (R-1) is of more than 70 °C to equal or below 90 °C, the temperature in the second reactor (R-2) is of equal or more than 80 °C to equal or below 95 °C, in the first reactor (R-1) and second reactor (R-2) the polymerization takes place in the presence of a solid catalyst system (SCS) having a surface area measured according to ASTM D 3662 of less than 30 m 2 /g and/or a pore volume measured according to ASTM 4641 of less than 1.0 ml/g, wherein further said solid catalyst system comprises a transition metal selected from one of the groups 4 to 6 of the periodic table (IUPAC), a metal which is selected from one of the groups 1 to 3 of the periodic table (IUPAC), and an internal electron donor (ID), and said propylene copolymer has a melt flow rate MFR 2 (230 °C) of equal or more than 65 to equal or below 200 g/lOmin, and a comonomer content in the range of equal or more than 1.5 to equal or below 8.0 wt.-%.
    • 制备丙烯共聚物的方法,所述方法是包含至少两个串联连接的反应器的顺序聚合方法,其中所述方法包括以下步骤:(A)在第一反应器中聚合丙烯和任选的乙烯和/或C 4至 得到聚丙烯馏分(A),(B)将所述聚丙烯馏分(A)和未反应的共聚单体从第一反应器转移到第二反应器中,(C)向第二反应器进料丙烯和乙烯和/或 (D)在所述第二反应器中和在所述聚丙烯级分(A)丙烯和乙烯和/或C 4至C 12α-烯烃存在下聚合,得到丙烯共聚物部分(B),所述 聚丙烯馏分(A)和所述丙烯共聚物部分(B)形成丙烯共聚物,其中第一反应器(R-1)中的温度进一步高于70℃至等于或低于90℃, 第二反应器(R-2 )等于或大于80℃至等于或低于95℃,在第一反应器(R-1)和第二反应器(R-2)中,聚合在固体催化剂体系(SCS)存在下进行, 具有根据ASTM D 3662测量的表面积小于30m 2 / g和/或根据ASTM 4641测量的孔体积小于1.0ml / g,其中所述固体催化剂体系还包含选自以下之一的过渡金属: 元素周期表(IUPAC)的第4至6族,选自元素周期表(IUPAC)中的1至3族之一的金属和内部电子给体(ID),所述丙烯共聚物具有熔体 等于或大于65的流量MFR 2(230℃)等于或低于200g / 10min,共聚单体含量在等于或大于1.5至等于或低于8.0重量%的范围内。
    • 32. 发明申请
    • BLOWNFILM GRADE SHOWING SUPERIOR STIFFNESS, TRANSPARENCY AND PROCESSING BEHAVIOUR
    • BLOWNFILM等级显示超级强度,透明度和处理行为
    • WO2011076636A1
    • 2011-06-30
    • PCT/EP2010/069788
    • 2010-12-15
    • BOREALIS AGBERNREITNER, KlausNIEDERSÜSS, KlausGAHLEITNER, Markus
    • BERNREITNER, KlausNIEDERSÜSS, KlausGAHLEITNER, Markus
    • C08J5/18
    • C08J5/18C08F10/06C08J2323/14C08L23/14C08L2205/24C08F210/06C08F210/16C08F2500/09C08F2500/11C08F2500/12C08F2500/26C08F110/06C08L23/12
    • Extrusion blown film comprising a polypropylene composition, said polypropylene composition comprises a random propylene copolymer, a high melt strength polypropylene, a polypropylene and optionally a clarifier, wherein • the random propylene copolymer comprises units derived from propylene and at least another C 2 to C 20 α-olefin, • the high melt strength polypropylene has a branching index g' of less than 1.0, the polypropylene (B) has a MFR 2 (230°C) of at least 400 g/10min, • the clarifier comprises at least one α-nucleating agent, and wherein further • the branching index g' of the random propylene copolymer and the branching index g' of the polypropylene are higher than the branching index g' of the high melt strength polypropylene, • the random propylene copolymer has lower melt flow rate MFR 2 (230°C) than the polypropylene, • the extrusion melt blown film and/or the polypropylene composition (i) fulfill(s) the equation (I) Tm -Tc 2 (230°C) of 1.0 to 5.5 g/10min.
    • 包含聚丙烯组合物的挤压吹塑薄膜,所述聚丙烯组合物包含无规丙烯共聚物,高熔体强度聚丙烯,聚丙烯和任选的澄清剂,其中无规丙烯共聚物包含衍生自丙烯和至少另一个C 2至C 20α- 烯烃,°高熔体强度聚丙烯具有小于1.0的支化指数g',聚丙烯(B)具有至少400g / 10min的MFR 2(230℃),该澄清剂包含至少一个成核 并且其中随机丙烯共聚物的支化指数g'和聚丙烯的支化指数g'还高于高熔体强度聚丙烯的支化指数g',无规丙烯共聚物具有较低的熔体流动速率 MFR2(230℃)高于聚丙烯,挤压熔融吹塑薄膜和/或聚丙烯组合物(i)满足式(I)Tm-Tc <30(I)其中Tm是熔融温度 钛白粉[℃]占挤出熔融吹塑薄膜或聚丙烯组合物的总熔融焓Hm的50%以上; Tc是挤出熔融吹塑薄膜或聚丙烯组合物的结晶温度[℃] 和/或(ii)具有1.0至5.5g / 10min的熔体流动速率MFR 2(230℃)。
    • 34. 发明申请
    • POLYPROPYLENE COMPOSITION WITH HIGH STIFFNESS AND IMPACT STRENGTH
    • 具有高强度和抗冲击强度的聚丙烯组合物
    • WO2010089121A1
    • 2010-08-12
    • PCT/EP2010/000701
    • 2010-02-04
    • BOREALIS AGGAHLEITNER, MarkusMALM, BoBERNREITNER, KlausBRAUN, Juliane
    • GAHLEITNER, MarkusMALM, BoBERNREITNER, KlausBRAUN, Juliane
    • C08F10/06C08K3/00
    • C08F10/00C08F10/06C08F110/06C08F4/6543C08F4/6492C08F4/651C08F210/16C08F2500/04C08F2500/19C08F2500/12C08F2500/11C08F2500/20C08F2500/24
    • The present invention is directed to a polypropylene composition comprising a propylene homo- or copolymer (A) with a polydispersity index (Pl), determined according ISO 6721-1, of at least 5.8 Pa -1 ; and an inorganic filler (B) in an amount from 2.0 to 20 parts per weight based on 100 parts per weight of (A) + (B); The present invention is furthermore directed to a polypropylene composition comprising - a propylene homo- or copolymer (A); and an inorganic filler (B); whereby the following relation is fulfilled (80 F + 1700) MPa ≤ T wherein F are the parts per weight of component (B) based on 100 parts per weight of the total amount of (A) + (B). T is the tensile modulus in MPa, determined according to ISO 527-2, of the polypropylene composition measured on a test specimen prepared by injection molding according to ISO 1873-2. The present invention is also directed to a process for the production of the polypropylene compositions according to the invention and to an article made of the polypropylene compositions according to the invention. The present invention is furthermore directed to the use of the polypropylene compositions according to the invention for the production of pipes, car components, appliance housings, transport containers.
    • 本发明涉及一种聚丙烯组合物,其包含根据ISO 6721-1测定的至少5.8Pa-1的具有多分散指数(Pl)的丙烯均聚物或共聚物(A) 和每100重量份(A)+(B))为2.0〜20重量份的无机填料(B)。 本发明还涉及包含丙烯均聚物或共聚物(A)的聚丙烯组合物; 和无机填料(B); 由此满足以下关系(80 F + 1700)MPa = T其中F是基于(A)+(B)的总量的100重量份,组分(B)的每重量份数。 T是根据ISO 527-2测定的根据ISO 1873-2通过注射成型制备的试样上测量的聚丙烯组合物的拉伸弹性模量(MPa)。 本发明还涉及一种生产根据本发明的聚丙烯组合物和由本发明的聚丙烯组合物制成的制品的方法。 本发明还涉及根据本发明的聚丙烯组合物用于生产管道,汽车部件,电器外壳,运输容器的用途。