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    • 6. 发明申请
    • USE OF AN IMPROVED SOLID VANADIUM-CONTAINING ZIEGLER-NATTA CATALYST SYSTEM FOR PRODUCING ETHYLENE POLYMER COMPOSITIONS IN A MULTISTAGE PROCESS
    • 在多级过程中使用用于生产乙烯聚合物组合物的改进的含固体含钒纳米粒子催化剂体系
    • WO2009087036A1
    • 2009-07-16
    • PCT/EP2008/067821
    • 2008-12-18
    • Borealis Technology OYGAROFF, ThomasWALDVOGEL, PäiviKALLIO, Kalle
    • GAROFF, ThomasWALDVOGEL, PäiviKALLIO, Kalle
    • C08F210/16C08F4/685C08F2/00C08F297/08C08J5/18F16L9/12
    • C08F210/16C08F110/02C08F4/685C08F2/001C08F210/14C08F2500/12C08F2500/18C08F2500/05C08F2500/26C08F2500/20
    • Improved method for tailoring the molecular weight distribution and comonomer incorporation of a multimodal ethylene polymer having a lower molecular weight component and a higher molecular weight component comprising polymerizing ethylene and optionally at least one further alpha-olefin in at least two stages, wherein at least one stage is carried out in a slurry phase in the presence of an improved solid Ziegler-Natta catalyst system, said catalyst system comprising 1) a solid procatalyst formed by contacting at least: a) a Mg-alcoholate complex of the formula (I): Mg(OR 1 ) 2-n (R 1 ) n , wherein each R 1 independently represents a C 1 -C 20 hydrocarbyl group; and 0 ≤ n 2 ) m X 3-m , wherein each R 2 independently represents an alkyl of up to 6 carbon atoms; each X is independently a halogen; 0 ≤ m 1 -C 20 -alkyl group, 0 ≤ x ≤ 2; 1 ≤ y ≤ 3; 0 ≤ z ≤ 2 and x + y + z = 3, x, y and z may or may not be an integer; a polymer obtainable by this method and use of such a polymer for the manufacture of pipes and films.
    • 用于定制具有较低分子量组分和较高分子量组分的多峰乙烯聚合物的分子量分布和共聚单体掺入的改进方法,包括在至少两个阶段聚合乙烯和任选的至少一种其它α-烯烃,其中至少一个 在改进的固体齐格勒 - 纳塔催化剂体系的存在下,在淤浆相中进行阶段,所述催化剂体系包含1)通过使至少与下列物质接触而形成的固体前催化剂:a)式(I)的Mg-醇合物络合物: Mg(OR1)2-n(R1)n,其中每个R1独立地表示C1-C20烃基; 和0 = n 2)mX 3-m,其中每个R 2独立地表示至多6个碳原子的烷基; 每个X独立地是卤素; 0 = m <3和m,并且可以是或不是整数c)钒化合物和钛化合物,以提供V:Ti的摩尔比为99:1至1:99,以及d)任选的一个 或更多的有机配体化合物,其选自包含环戊二烯基阴离子主链的有机化合物,以产生固体前催化剂和2)式(III)的一种或多种有机金属助催化剂,其中每个R为 独立地为C 1 -C 20烷基,0 = x = 2; 1 = y = 3; 0 = z = 2,x + y + z = 3,x,y和z可以是整数; 可通过该方法获得的聚合物和这种聚合物用于制造管和膜的用途。
    • 9. 发明申请
    • LINEAR LOW DENSITY POLYETHYLENE WITH UNIFORM OR REVERSED COMONOMER COMPOSITION DISTRIBUTION
    • 线性低密度聚乙烯具有均匀或反转的人气组合物分布
    • WO2010125022A1
    • 2010-11-04
    • PCT/EP2010/055519
    • 2010-04-26
    • BOREALIS AGGAROFF, ThomasWALDVOGEL, PäiviKALLIO, KalleERIKSSON, VirginieAITTOLA, AkiKOKKO, Esa
    • GAROFF, ThomasWALDVOGEL, PäiviKALLIO, KalleERIKSSON, VirginieAITTOLA, AkiKOKKO, Esa
    • C08F10/00C08F210/02C08L23/08
    • C08F210/16C08L2314/02C08F210/08C08F2500/12C08F2500/18C08F2500/08C08F2500/10
    • Ziegler-Natta catalyzed linear low density polyethylene which satisfies the following conditions: a) a density, according to ISO 1183, of from 900 to 925 kg/m 3 , b) a C 4 -C 10 -comonomer content, determined by Fourier transform infrared spectroscopy, of 1 to 16 wt% c) a weight average molecular weight Mw, determined by gel permeation chromatography, of at least 200 000, d) wherein the linear low density polyethylene comprises, by Crystallisation Analysis Fractionation (CRYSTAF) an amorphous fraction soluble at a temperature below 30°C of at most 10 wt% and a fraction crystallising between 60 to 75°C of at least 35 wt% and e) by temperature rising elution fractionation (TREF) analysis, at least 70 wt% of a crystallising polymer component having an elution temperature range from 60°C to 94°C and less than 10 wt% of a crystallising polymer component having an elution temperature range from 30°C to 60° and, f) by Gel Permeation chromatography using an Fourier transform infrared spectroscopy detector (GPC-FTIR), a substantially constant short chain branching profile across the molecular weight distribution (MWD) or g) by Gel Permeation chromatography coupled with Fourier transform infrared spectroscopy instruments (GPC-FTIR), a revers short chain branching profile across the molecular weight distribution (MWD), the linear low density polyethylene being produced in the presence of a special Ziegler- Natta procatalyst and a halogenated aluminium alkyl cocatalyst of the formula (IV) (C 1 -C 4 - alkyl) m -AI-X 3-m1 , wherein X is chlorine, bromine, iodine or fluorine and m is 1 or 2.
    • 齐格勒 - 纳塔催化的线性低密度聚乙烯,其满足以下条件:a)根据ISO 1183的密度为900至925kg / m 3,b)通过傅立叶变换红外光谱测定的C 4 -C 10共聚单体含量, c)通过凝胶渗透色谱测定的至少200000重量平均分子量Mw,d)其中线性低密度聚乙烯通过结晶分析分馏(CRYSTAF)包含在 温度低于30℃至多10重量%,并且在60至75℃之间结晶至少35重量%的馏分和e)通过升温洗脱分馏(TREF)分析,至少70重量%的结晶聚合物组分 具有洗脱温度范围为60℃至94℃且小于10重量%的洗脱温度范围为30℃至60℃的结晶聚合物组分,f)通过使用傅里叶变换红外光谱的凝胶渗透色谱法 (GPC-FTIR),通过凝胶渗透色谱与傅立叶变换红外光谱仪(GPC-FTIR)结合,分子量分布(MWD)基本恒定的短链支化谱,或g),反向短链支化谱 分子量分布(MWD),线性低密度聚乙烯是在特殊的齐格勒 - 纳塔前催化剂和式(Ⅳ)的卤化烷基铝助催化剂(C1-C4烷基)m-AI-X3- m1,其中X是氯,溴,碘或氟,m是1或2。
    • 10. 发明申请
    • IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION
    • 改进的乙烯聚合催化剂组合物
    • WO2010125018A1
    • 2010-11-04
    • PCT/EP2010/055513
    • 2010-04-26
    • BOREALIS AGGAROFF, ThomasWALDVOGEL, PäiviKALLIO, KalleERIKSSON, Virginie
    • GAROFF, ThomasWALDVOGEL, PäiviKALLIO, KalleERIKSSON, Virginie
    • C08F4/655C08F210/16
    • C08F210/16C08F4/6555C08F210/08C08F2500/12C08F2500/18C08F2500/08
    • Ziegler-Natta catalyst composition capable of producing ethylene/alpha-olefins copolymers, particularly linear low density polyethylene; the composition having an improved stability of its behaviour during polymerization in respect to time. The Ziegler-Natta catalyst composition comprises: 1. Ziegler-Natta catalyst composition for the production of ethylene copolymers comprising A) a procatalyst, which procatalyst comprises a) an Al compound having the formula Al(alkyl) x Cl 3-x (I), where alkyl is an alkyl group with 1 to 12 and 0 ≤ x ≤ 3, b) a magnesium hydrocarbyloxy compound of formula Mg(OR 1 ) 2-n (R 2 ) n (II), wherein each R 1 and R 2 is independently a C 1-20 hydrocarbon residue which may optionally be substituted with halogen and 0 ≤ n y Ti(OR 3 ) 4-y (III), wherein R 3 is a C 2-20 hydrocarbon residue and y is 1, 2, 3 or 4, with compounds a), b) and c) being supported on a particulate inorganic carrier and B) a halogenated aluminium alkyl cocatalyst of the formula (IV) (C 1 -C 4 -alkyl) m -Al-X 3-m , wherein X is chlorine, bromine, iodine or fluorine and m is 1 or 2.
    • 能够生产乙烯/α-烯烃共聚物,特别是线性低密度聚乙烯的齐格勒 - 纳塔催化剂组合物; 该组合物在聚合过程中相对于时间具有改进的其行为稳定性。 齐格勒 - 纳塔催化剂组合物包括:1.用于生产乙烯共聚物的齐格勒 - 纳塔催化剂组合物,其包含A)前催化剂,其前体催化剂包含a)具有式Al(烷基)xCl 3-x(I)的Al化合物,其中 烷基是具有1至12且0 = x = 3的烷基,b)式Mg(OR 1)2-n(R 2)n(II)的镁烃氧基化合物,其中每个R 1和R 2独立地为C 1-20 可以任选被卤素取代的烃残基,和0 = n yTi(OR 3)4-y(III),其中R 3是C 2-20烃基,y是1,2,3或4,与化合物a),b )和c)负载在颗粒状无机载体上,B)式(Ⅳ)的卤化烷基铝助催化剂(C1-C4烷基)m-Al-X3-m,其中X为氯,溴,碘或氟 m为1或2。