利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

8 条记录 (耗时 0.026 秒)

    Multi-stage process for producing multi-modal linear low density polyethylene
    1.
    发明授权
    Multi-stage process for producing multi-modal linear low density polyethylene 有权
    生产多模式线性低密度聚乙烯的多阶段工艺

    公开(公告)号：US08409681B2

    公开(公告)日：2013-04-02

    申请号：US13126496

    申请日：2010-02-22

    申请人： Thomas Garoff ,  Paivi Waldvogel ,  Kalle Kallio ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    发明人： Thomas Garoff ,  Paivi Waldvogel ,  Kalle Kallio ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    IPC分类号： B32B1/08 ,  C08F2/14 ,  C08F2/34 ,  C08F210/14 ,  C08F4/685

    CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F2410/03 ,  Y10T428/139 ,  C08F4/6357 ,  C08F4/685 ,  C08F2/001 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/05 ,  C08F2500/18 ,  C08F210/14 ,  C08F2500/08

    摘要： A process is disclosed for producing a multi-modal linear low density polyethylene in at least two staged reactors connected in series, comprising (i) polymerizing in a first slurry phase stage ethylene monomers with a Ziegler-Natta polymerization catalyst system to obtain a first polyethylene fraction component (A); and (ii) polymerizing in a second gas or slurry phase stage ethylene monomers with a Ziegler-Natta polymerization catalyst system to obtain a second polyethylene fraction component (B). The Ziegler-Natta polymerization catalyst system comprises: 1) a solid procatalyst formed by contacting at least: a) a Mg-alcoholate complex of formula (I) b) an aluminum compound of formula (II); and c) a vanadium compound and a titanium compound having a molar ratio (V:Ti) from 10:90 to 90:10; and 2) one or more organometallic cocatalvsts of formula (III). The linear low density polyethylene shows an improved comonomer composition distribution Formulas (I), (II), and (III) are described herein.

    摘要翻译： 公开了一种用于在至少两个分级反应器中串联生产多模式线性低密度聚乙烯的方法，其包括（i）在第一浆液阶段中聚合乙烯单体与齐格勒 - 纳塔聚合催化剂体系以获得第一聚乙烯 级分组分（A）; 和（ii）在齐格勒 - 纳塔聚合催化剂体系中在第二气体或浆料相阶段中聚合乙烯单体以获得第二聚乙烯级分组分（B）。 齐格勒 - 纳塔聚合催化剂体系包括：1）通过使至少a）使式（I）的Mg-醇合物络合物b）式（II）的铝化合物与式 和c）钒化合物和摩尔比（V:Ti）为10:90至90:10的钛化合物; 和2）式（III）的一种或多种有机金属助催化剂。 线性低密度聚乙烯显示改进的共聚单体组成分布本文描述了式（I），（II）和（III）。

    MULTI-STAGE PROCESS FOR PRODUCING MULTI-MODAL LINEAR LOW DENSITY POLYETHYLENE
    3.
    发明申请
    MULTI-STAGE PROCESS FOR PRODUCING MULTI-MODAL LINEAR LOW DENSITY POLYETHYLENE 有权
    用于生产多模式线性低密度聚乙烯的多级方法

    公开(公告)号：US20110263801A1

    公开(公告)日：2011-10-27

    申请号：US13126496

    申请日：2010-02-22

    申请人： Thomas Garoff ,  Päivi Waldvogel ,  Kalle Kallio ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    发明人： Thomas Garoff ,  Päivi Waldvogel ,  Kalle Kallio ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    IPC分类号： C08F10/02 ,  C08F4/685 ,  C08F2/34 ,  C08F2/12

    CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F2410/03 ,  Y10T428/139 ,  C08F4/6357 ,  C08F4/685 ,  C08F2/001 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/05 ,  C08F2500/18 ,  C08F210/14 ,  C08F2500/08

    摘要： Multi-stage polymerization process for the production of a multi-modal linear low density polyethylene in at least two staged reactors connected in series comprising at least (i) polymerizing in a first slurry phase stage ethylene monomers and optionally one or more alpha-olefin comonomers, in the presence of a Ziegler-Natta polymerization catalyst system to obtain a first polyethylene fraction component (A) (ii) polymerizing in a second gas or slurry phase stage ethylene monomers and one or more alpha-olefine comonomers, in the presence of a Ziegler-Natta polymerization catalyst system to obtain a second polyethylene fraction component (B), whereby the Ziegler-Natta polymerization catalyst system comprises: 1) a solid procatalyst formed by contacting at least: a) a Mg-alcoholate complex of the formula (I): Mg(OR1)2-n(R1)n, wherein each R1 independently represents a C1-C20 hydrocarbyl group and 0

    摘要翻译： 用于在至少两个串联反应器中连续串联生产多模式线性低密度聚乙烯的多级聚合方法，包括至少（i）在第一浆料相阶段聚合乙烯单体和任选的一种或多种α-烯烃共聚单体 在齐格勒 - 纳塔聚合催化剂体系存在下，得到第一聚乙烯级分组分（A）（ⅱ）在第二种气相或淤浆相阶段中聚合乙烯单体和一种或多种α-烯烃共聚单体，在 齐格勒 - 纳塔聚合催化剂体系，以获得第二聚乙烯部分组分（B），由此齐格勒 - 纳塔聚合催化剂体系包括：1）通过使至少与下式接触形成的固体前催化剂：a）式 ）：Mg（OR 1）2-n（R 1）n，其中每个R 1独立地表示C 1 -C 20烃基且0

    Linear low density polyethylene with uniform or reversed comonomer composition distribution
    4.
    发明授权
    Linear low density polyethylene with uniform or reversed comonomer composition distribution 有权
    具有均匀或反相共聚单体组成分布的线性低密度聚乙烯

    公开(公告)号：US08546499B2

    公开(公告)日：2013-10-01

    申请号：US13318101

    申请日：2010-04-26

    申请人： Thomas Garroff ,  Paivi Waldvogel ,  Kallio Kalle ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    发明人： Thomas Garroff ,  Paivi Waldvogel ,  Kallio Kalle ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    IPC分类号： C08F4/44

    CPC分类号： C08F210/16 ,  C08L2314/02 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/08 ,  C08F2500/10

    摘要： 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/m3,b) a C4-C10-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 % ande) 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° C. and,f) by Gel Permeation chromatography coupled with Fourier transform infrared spectroscopy detector (GPC-FTIR), a substantially constant short chain branching profile across the molecular weight distribution (MWD) org) by Gel Permeation chromatography coupled with Fourier transform infrared spectroscopy instruments (GPC-FTIR), a reverse 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) (C1-C4- alkyl)m-Al-X3−m, wherein X is chlorine, bromine, iodine or fluorine and m is 1 or 2.

    摘要翻译： 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％的级分，e）通过升温洗脱分级（TREF）分析，至少70重量％的结晶 具有洗脱温度范围为60℃至94℃且小于10重量％的具有洗脱温度范围为30℃至60℃的结晶聚合物组分的聚合物组分，以及f）通过凝胶渗透 色谱与傅里叶变换耦合 （GPC-FTIR），通过分子量分布（MWD）基本上恒定的短链支化分子，或g）通过凝胶渗透色谱法与傅立叶变换红外光谱仪（GPC-FTIR），反向短链支化 在分子量分布（MWD）的范围内，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（C 1 -C 4烷基）m-Al- X3-m，其中X是氯，溴，碘或氟，m是1或2。

    LINEAR LOW DENSITY POLYETHYLENE WITH UNIFORM OR REVERSED COMONOMER COMPOSITION DISTRIBUTION
    5.
    发明申请
    LINEAR LOW DENSITY POLYETHYLENE WITH UNIFORM OR REVERSED COMONOMER COMPOSITION DISTRIBUTION 有权
    线性低密度聚乙烯具有均匀或反转的人气组合物分布

    公开(公告)号：US20120053308A1

    公开(公告)日：2012-03-01

    申请号：US13318101

    申请日：2010-04-26

    申请人： Thomas Garroff ,  Paivi Waldvogel ,  Kallio Kalle ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    发明人： Thomas Garroff ,  Paivi Waldvogel ,  Kallio Kalle ,  Virginie Eriksson ,  Aki Aittola ,  Esa Kokko

    IPC分类号： C08F4/646 ,  C08F210/16

    CPC分类号： C08F210/16 ,  C08L2314/02 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/08 ,  C08F2500/10

    摘要： 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/m3, b) a C4-C10-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) (C1-C4-alkyl)m-AI-X3-m1, wherein X is chlorine, bromine, iodine or fluorine and m is 1 or 2.

    摘要翻译： 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％的级分，e）通过升温洗脱分级（TREF）分析，至少70重量％的结晶 具有洗脱温度范围为60℃至94℃且小于10重量％的具有洗脱温度范围为30℃至60℃的结晶聚合物组分的聚合物组分，和f）通过凝胶渗透色谱法，使用 傅里叶变换inf （GPC-FTIR），通过与傅立叶变换红外光谱仪（GPC-FTIR）结合的凝胶渗透色谱法，通过分子量分布（MWD）基本恒定的短链支化谱，或g） 在分子量分布（MWD）下，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（C 1 -C 4烷基）m-AI-X3存在下生产的线性低密度聚乙烯 -m1，其中X是氯，溴，碘或氟，m是1或2。

    IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION
    6.
    发明申请
    IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION 审中-公开
    改进的乙烯聚合催化剂组合物

    公开(公告)号：US20120095172A1

    公开(公告)日：2012-04-19

    申请号：US13263173

    申请日：2010-04-26

    申请人： Thomas Garoff ,  Paivi Waldvogel ,  Kalle Kallio ,  Virginie Eriksson

    发明人： Thomas Garoff ,  Paivi Waldvogel ,  Kalle Kallio ,  Virginie Eriksson

    IPC分类号： C08F4/646 ,  C08F4/648 ,  C08F210/14 ,  C08F2/00 ,  C08F210/08

    CPC分类号： C08F210/16 ,  C08F4/6555 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/08

    摘要： 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)xCl3-x (I), where alkyl is an alkyl group with 1 to 12 and 0≦x≦3, b) a magnesium hydrocarbyloxy compound of formula Mg(OR1)2-n(R2)n (II), wherein each R1 and R2 is independently a C1-20 hydrocarbon residue which may optionally be substituted with halogen and 0≦n

    摘要翻译： 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和0和nlE; x和nlE; 3，b）式Mg（OR 1）2-n（R 2）n（II）的镁烃氧基化合物的烷基，其中每个R 1和R 2独立地是C 1-20 可以任选被卤素取代的烃残基，n <2和c）式ClyTi（OR 3）4-y（III）的含氯钛化合物，其中R3是C2-20烃基，y是 1,2,3或4，化合物a），b）和c）负载在颗粒状无机载体上，B）式（Ⅳ）卤代烷基铝助催化剂（C 1 -C 4烷基）m-Al- X3-m，其中X是氯，溴，碘或氟，m是1或2。