Process for the (co)polymerization of ethylene
    1.
    发明授权
    Process for the (co)polymerization of ethylene 有权
    乙烯(共)聚合的方法

    公开(公告)号:US07678867B2

    公开(公告)日:2010-03-16

    申请号:US10581983

    申请日:2004-11-24

    摘要: A process for preparing a broad molecular weight polyethylene carried out in the presence of a catalyst system comprising (i) a solid catalyst component comprising Mg, Ti, halogen, and optionally an internal electron donor compound, and (ii) an Al-alkyl cocatalyst said process comprising at least two step of polymerization (a) and (b), in which: in a first step (a) ethylene is polymerized in the presence of a molecular weight regulator in order to produce a ethylene (co)polymer, and in a further step (b), which is carried out in the presence of an external electron donor compound added to this polymerization step as a fresh reactant, ethylene is copolymerized with an alpha olefin of formula CH2═CHR, in which R is a C1-C20 hydrocarbon group, to produce an ethylene copolymer having a molecular weight higher than that of the copolymer produced in step (b).

    摘要翻译: 一种制备在催化剂体系存在下进行的宽分子量聚乙烯的方法,包括(i)包含Mg,Ti,卤素和任选的内电子给体化合物的固体催化剂组分,和(ii)Al-烷基助催化剂 所述方法包括至少两个聚合步骤(a)和(b)),其中:在第一步(a)中,在分子量调节剂存在下使乙烯聚合以产生乙烯(共)聚合物,和 在另外的步骤(b)中,其在作为新的反应物加入到该聚合步骤中的外部电子给体化合物的存在下进行,乙烯与式CH2 = CHR的α-烯烃共聚,其中R是C1 -C 20烃基,得到分子量高于步骤(b)中制备的共聚物的乙烯共聚物。

    Process for the (Co) Polymerization of Ethylene
    2.
    发明申请
    Process for the (Co) Polymerization of Ethylene 有权
    乙烯(Co)聚合方法

    公开(公告)号:US20070282083A1

    公开(公告)日:2007-12-06

    申请号:US10581983

    申请日:2004-11-24

    摘要: A process for preparing a broad molecular weight polyethylene carried out in the presence of a catalyst system comprising (i) a solid catalyst component comprising Mg, Ti, halogen, and optionally an internal electron donor compound, and (ii) an Al-alkyl cocatalyst said process comprising at least two step of polymerization (a) and (b), in which: in a first step (a) ethylene is polymerized in the presence of a molecular weight regulator in order to produce a ethylene (co)polymer, and in a further step (b), which is carried out in the presence of an external electron donor compound added to this polymerization step as a fresh reactant, ethylene is copolymerized with an alpha olefin of formula CH2═CHR, in which R is a C1-C20 hydrocarbon group, to produce an ethylene copolymer having a molecular weight higher than that of the copolymer produced in step (b).

    摘要翻译: 一种制备在催化剂体系存在下进行的宽分子量聚乙烯的方法,包括(i)包含Mg,Ti,卤素和任选的内电子给体化合物的固体催化剂组分,和(ii)Al-烷基助催化剂 所述方法包括至少两个聚合步骤(a)和(b)),其中:在第一步(a)中,在分子量调节剂存在下使乙烯聚合以产生乙烯(共)聚合物,和 在另外的步骤(b)中,其在作为新的反应物加入到该聚合步骤中的外部电子给体化合物的存在下进行,乙烯与式CH 2 -CHR的α-烯烃共聚,其中R是C1 -C 20烃基,得到分子量高于步骤(b)中制备的共聚物的乙烯共聚物。

    Process and apparatus for the polymerization of ethylene
    6.
    发明申请
    Process and apparatus for the polymerization of ethylene 有权
    用于乙烯聚合的方法和装置

    公开(公告)号:US20070093621A1

    公开(公告)日:2007-04-26

    申请号:US10568739

    申请日:2004-07-19

    IPC分类号: C08G85/00

    摘要: Process for preparing a broad molecular weight polyethylene by polymerizing ethylene in the presence of a polymerization catalyst, the process comprising the following steps, in any mutual order: a) polymerizing ethylene, optionally together with one or more α-olefinic comonomers having from 3 to 12 carbon atoms, in a gas-phase reactor in the presence of hydrogen, b) copolymerizing ethylene with one or more α-olefinic comonomers having from 3 to 12 carbon atoms in another gas-phase reactor in the presence of an amount of hydrogen less than step a), where in at least one of said gas-phase reactors the growing polymer particles flow upward through a first polymerization zone under fast fluidization or transport conditions, leave said first polymerization zone and enter a second polymerization zone through which they flow downward under the action of gravity.

    摘要翻译: 通过在聚合催化剂存在下聚合乙烯来制备宽分子量聚乙烯的方法,该方法包括以下步骤:a)聚合乙烯,任选地与一种或多种α-烯烃共聚单体一起聚合,所述α-烯烃共聚单体具有3〜 12个碳原子,在氢气存在下的气相反应器中,b)在另一种气相反应器中在一定量的氢气存在下使乙烯与一种或多种具有3至12个碳原子的α-烯烃共聚单体共聚 其中在至少一个所述气相反应器中,生长的聚合物颗粒在快速流化或运输条件下通过第一聚合区向上流动,留下所述第一聚合区并进入第二聚合区,通过它们向下流动 在重力的作用下。

    Liquid phase process for polymerizing olefins
    7.
    发明授权
    Liquid phase process for polymerizing olefins 失效
    用于聚合烯烃的液相方法

    公开(公告)号:US07414095B2

    公开(公告)日:2008-08-19

    申请号:US10581981

    申请日:2004-11-29

    IPC分类号: C08F10/08 C08F6/06

    摘要: A solution process for polymerizing one or more α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: continuously polymerizing in a liquid phase the α-olefin in the presence of a catalyst system based on a transition metal compound to obtain a solution of polymer in the reaction medium; the polymeric solution obtained from step a) is then mixed in one or more mixing stages with an aqueous mixture comprising one or more organic compounds having at least a hydroxy or epoxy group, said aqueous mixture having a dynamic viscosity at 30° C. higher than 50 cP (centiPoise).

    摘要翻译: 用于聚合一种或多种式CH 2 -CHR的α-烯烃的溶液方法,其中R是H或烷基C 1 -C 18 - 以产生可溶于反应介质的聚合物,包括以下步骤:在基于过渡金属化合物的催化剂体系的存在下,在液相中连续聚合α-烯烃以获得聚合物 在反应介质中; 然后将由步骤a)得到的聚合物溶液在一个或多个混合阶段与包含一种或多种至少具有羟基或环氧基团的有机化合物的含水混合物混合,所述水性混合物的动态粘度在30℃时高于 50厘泊(厘泊)。

    Liquid Phase Process for Polymerizing Olefins
    8.
    发明申请
    Liquid Phase Process for Polymerizing Olefins 失效
    用于聚合烯烃的液相方法

    公开(公告)号:US20070265401A1

    公开(公告)日:2007-11-15

    申请号:US10581981

    申请日:2004-11-29

    IPC分类号: C08F6/06 C08F10/00 C08F2/04

    摘要: A solution process for polymerizing one or more α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: continuously polymerizing in a liquid phase the α-olefin in the presence of a catalyst system based on a transition metal compound to obtain a solution of polymer in the reaction medium; the polymeric solution obtained from step a) is then mixed in one or more mixing stages with an aqueous mixture comprising one or more organic compounds having at least a hydroxy or epoxy group, said aqueous mixture having a dynamic viscosity at 30° C. higher than 50 cP (centiPoise).

    摘要翻译: 用于聚合一种或多种式CH 2 -CHR的α-烯烃的溶液方法,其中R是H或烷基C 1 -C 18 - 以产生可溶于反应介质的聚合物,包括以下步骤:在基于过渡金属化合物的催化剂体系的存在下,在液相中连续聚合α-烯烃以获得聚合物 在反应介质中; 然后将由步骤a)得到的聚合物溶液在一个或多个混合阶段与包含一种或多种至少具有羟基或环氧基团的有机化合物的含水混合物混合,所述水性混合物的动态粘度在30℃时高于 50厘泊(厘泊)。

    Process for the gas-phase polymerization olefins
    9.
    发明授权
    Process for the gas-phase polymerization olefins 有权
    气相聚合烯烃的方法

    公开(公告)号:US07652108B2

    公开(公告)日:2010-01-26

    申请号:US11665210

    申请日:2005-09-19

    IPC分类号: C08F2/34 C08F10/02

    摘要: Process for the gas-phase polymerization of one or more alpha-olefins in the presence of a catalyst system, the process comprising: contacting in a continuous way one or more of said alpha-olefins with said catalyst system in a prepolymerization reactor, wherein the reaction is carried out in a liquid medium at a temperature ranging from 23° to 50° C.; feeding in continuous the prepolymer obtained in step a) into a gas-phase reactor having interconnected polymerization zones, where the growing polymer particles flow upward through a first polymerization zone (riser) under fast fluidization or transport conditions, leave said riser and enter a second polymerization zone (downcomer) through which they flow downward under the action of gravity, leave said downcomer and are reintroduced into said riser; wherein the prepolymer obtained from step a) is continuously fed at a section of said riser characterized by an upwardly gas velocity higher than 3.0 m/s.

    摘要翻译: 一种或多种α-烯烃在催化剂体系存在下进行气相聚合的方法,该方法包括:在预聚合反应器中以连续的方式使一种或多种所述α-烯烃与所述催化剂体系接触,其中, 反应在液体介质中在23℃至50℃的温度下进行; 在步骤a)中获得的预聚物连续进料到具有互连聚合区的气相反应器中,其中生长的聚合物颗粒在快速流化或运输条件下通过第一聚合区(提升管)向上流动,离开所述提升管并进入第二个 聚合区(降液管)通过它们在重力作用下向下流动,离开所述降液管并重新引入所述提升管中; 其中从步骤a)获得的预聚物在所述提升管的部分连续进料,其特征在于高于3.0m / s的向上气体速度。

    Liquid phase process for the polymerization of α-olefins
    10.
    发明授权
    Liquid phase process for the polymerization of α-olefins 失效
    用于α-烯烃聚合的液相方法

    公开(公告)号:US07160964B2

    公开(公告)日:2007-01-09

    申请号:US10518885

    申请日:2003-06-17

    IPC分类号: C08F4/44

    摘要: A liquid-phase process for polymerizing α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1–C6, to produce a polymer that is soluble in the reaction medium, comprising the steps of: a) continuously polymerizing in liquid phase the α-olefin in the presence of a catalyst system based on a transition metal compound; b) continuously withdrawing from step a) a solution of polymer in the liquid reaction medium; c) mixing in one or more mixing stages said solution of polymer in the reaction medium with an organic deactivator having: at least a hydroxy group, a boiling point higher than 150° C., and a ratio between the molecular weight (MW) and the number of hydroxy groups (OH) comprised between 20 and 100.

    摘要翻译: 用于聚合式CH 2 -CHR的α-烯烃的液相方法,其中R是H或烷基C1-C6,以产生可溶于反应介质的聚合物,包括 步骤:a)在基于过渡金属化合物的催化剂体系的存在下,在液相中连续聚合α-烯烃; b)连续地从步骤a)中取出聚合物在液体反应介质中的溶液; c)在一个或多个混合阶段将所述聚合物在反应介质中的溶液与有机失活剂混合,所述有机失活剂具有至少羟基,沸点高于150℃,分子量(MW)和 羟基(OH)的数目在20和100之间。