The present invention relates to compositions comprising polyethylene or polyethylene containing polyethylene and carbon black pipe, wherein the polyethylene in the solid catalyst component and catalyst in the presence of preparation, wherein the solid catalyst component through the preparation method comprises the following steps: (a) the dehydration carrier with hydroxyl and having the formula MgR1R2 magnesium compound contact, wherein R1 and R2 are the same or different and are independently selected from alkyl, alkenyl, aryl, diene, chain alkyl aryl, alkenyl aryl and alkadiene aryl; (b) the step (a) of the products obtained with the modified compound (A), (B) and (C) contact, including: (A) at least one compound selected from the group consisting of: carboxylic ester, ketone, carboxylic acid, acyl halide, aldehydes and alcohols; (B) to R11f (R12O) gSiXh has the general formula of the compounds, including F, G and h respectively for 0 4 integers, and F G and h, and The condition is equal to 4, when h equals 4, the modified compound (A) is not alcohol, Si as silicon atom O is an oxygen atom, X is a halogen atom, and R11 and R12 are the same or different and are independently selected from alkyl, alkenyl, aryl, diene, chain alkyl aryl, alkenyl aryl and alkadiene aryl; (C) as having the general formula (R13O) 4M compound, wherein M is titanium atoms, zirconium atom or vanadium atom, oxygen atom and O R13 alkyl, alkenyl chain, from dienyl aryl, alkyl, aryl, alkenyl and aryl chain diene aryl; and (c) the step (B) products and the general formula TiX4 obtained a titanium halide compound contact, wherein Ti is titanium atoms and X is a halogen atom, the molecular weight of Mz+1 and polyethylene for at least 720000g/mol and less than 2500000g/mol.
【技术实现步骤摘要】
【国外来华专利技术】本专利技术涉及包含应用Ziegler-Natta催化剂制备的聚乙烯的聚乙烯组合物。本专利技术还涉及包含这种组合物的管子。滴灌在农场、工业温室和居民花园中应用。滴灌广泛用于严重缺水地区和特别用于农作物和树木如椰子、集装箱装载的园林树木、葡萄、香蕉、ber、茄子、柑橘、草莓、甘蔗、棉花、玉米和西红柿。滴灌系统的管子沿管壁间隔开孔,和通常也称作\发射器\,例如也称为(滴灌)插件、滴头或管件,其在开孔位置处插入管壁和通常设计为从所述开孔以预定流量出水。滴灌管通常为典型直径小于35mm的薄壁管,其横截面可以为圆形或压扁为椭圆形。目前,滴灌管主要由LLDPE(线性低密度聚乙烯)、LDPE(低密度聚乙烯)或这两者的掺混物生产。通常,制备这种管子的LLDPE利用Ziegler-Natta催化剂生产。例如WO2014/072056公开了一种聚合物组合物,其包含(A)含可在Ziegler-Natta催化剂的存在下通过聚合获得的多峰LLDPE的聚合物基础树脂和(B)碳黑。滴灌管用于输送水,因此它们的耐开裂性是特别重要的。因此,在工业上对于适合于制备具有改进的机械性能如耐受环境应力开裂性( ...
【技术保护点】
包含聚乙烯或含聚乙烯和碳黑的聚乙烯组合物的管子,其中所述聚乙烯在固体催化剂组分和助催化剂的存在下制备,其中所述固体催化剂组分通过包括如下步骤的方法制备:(a)使具有羟基的脱水载体与具有通式MgR1R2的镁化合物接触,其中R1和R2相同或不同和独立地选自烷基、链烯基、链二烯基、芳基、烷芳基、链烯基芳基和链二烯基芳基;(b)使步骤(a)获得的产品与改性化合物(A)、(B)和(C)接触,其中:(A)为选自如下的至少一种化合物:羧酸、羧酸酯、酮、酰基卤、醛和醇;(B)为具有通式R11f(R12O)gSiXh的化合物,其中f、g和h各自为0‑4的整数,和f、g和h的和等于4,条件是当 ...
【技术特征摘要】
【国外来华专利技术】2014.12.12 EP 14197549.0;2015.01.05 US 62/099,6131.包含聚乙烯或含聚乙烯和碳黑的聚乙烯组合物的管子,其中所述聚乙烯在固体催化剂组分和助催化剂的存在下制备,其中所述固体催化剂组分通过包括如下步骤的方法制备:(a)使具有羟基的脱水载体与具有通式MgR1R2的镁化合物接触,其中R1和R2相同或不同和独立地选自烷基、链烯基、链二烯基、芳基、烷芳基、链烯基芳基和链二烯基芳基;(b)使步骤(a)获得的产品与改性化合物(A)、(B)和(C)接触,其中:(A)为选自如下的至少一种化合物:羧酸、羧酸酯、酮、酰基卤、醛和醇;(B)为具有通式R11f(R12O)gSiXh的化合物,其中f、g和h各自为0-4的整数,和f、g和h的和等于4,条件是当h等于4时,改性化合物(A)不是醇,Si为硅原子,O为氧原子,X为卤素原子,和R11和R12相同或不同和独立地选自烷基、链烯基、链二烯基、芳基、烷芳基、链烯基芳基和链二烯基芳基;(C)为具有通式(R13O)4M的化合物,其中M为钛原子、锆原子或钒原子,O为氧原子和R13选自烷基、链烯基、链二烯基、芳基、烷芳基、链烯基芳基和链二烯基芳基;和(c)使步骤(b)获得的产品与通式TiX4的卤化钛化合物接触,其中Ti为钛原子和X为卤素原子,从而聚乙烯的分子量Mz+1为至少720,000g/mol和小于2,500,000g/mol。2.权利要求1的管子,其中所述聚乙烯的密度为约910-925kg/m3。3.权利要求1-2任一项的管子,其中所述聚乙烯的分子量分布(MWD)为3.6-5.5,和/或其Mz/Mw为2.8-4.5,优选为3-4,进一步优选为3.2-3.8,进一步优选为3.4-3.7,和/或其Mz+1/Mw为6-10,优选为7-9,进一步优选为8-9。4.权利要求1-3任一项的管子,其中所述聚乙烯的分子量Mz+1为至少800,000g/mol、更优选为至少900,000g/mol、更优选为至少1,000,000g/mol或800,000-2,000,000g/mol、优选为900,000-1,700,000g/mol,进一步优选为1,000,000-1,600,000g/mol,或分子量Mz为350,000-1,200,000g/mol,优选为400,000-1,000,0...
【专利技术属性】
技术研发人员:S·M·哈比比,A·摩曼,A·S·阿洛泰比,
申请(专利权)人:SABIC环球技术有限责任公司,
类型:发明
国别省市:荷兰;NL
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