Polymerization Process for Preparing Polyolefins
    2.
    发明申请
    Polymerization Process for Preparing Polyolefins 审中-公开
    制备聚烯烃的聚合方法

    公开(公告)号:US20090234083A1

    公开(公告)日:2009-09-17

    申请号:US11989384

    申请日:2006-07-18

    IPC分类号: C08F2/04

    CPC分类号: C08F10/00 C08F110/08 C08F2/06

    摘要: A solution process for polymerizing one or more α-olefins of formula CH2═CHR, where R is H or an alkyl radical C1-12, to produce a polymer that is soluble in the reaction medium, the process comprising: (a) polymerization in a solution phase of one or more α-olefins in the presence of an organo-aluminum compound and a catalyst system comprising a transition metal compound as the catalyst component; (b) the polymeric solution obtained from step a) is then pressurized and transferred by means of a screw pump to a successive step for removing the unreacted monomers from the polymer; wherein the pumping capacity of said screw pump is kept constant by adding the polymeric solution with water at a feeding point upstream the screw pump.

    摘要翻译: 用于聚合一种或多种式CH 2 -CHR的α-烯烃(其中R是H或烷基C1-12)以产生可溶于反应介质的聚合物的溶液方法,该方法包括:(a) 在有机铝化合物存在下的一种或多种α-烯烃的溶液相和包含过渡金属化合物作为催化剂组分的催化剂体系; (b)然后通过螺杆泵将从步骤a)获得的聚合物溶液加压并转移到从聚合物中除去未反应单体的连续步骤; 其中所述螺杆泵的泵送能力通过在螺杆泵上游的进料点处加入聚合物溶液而保持恒定。

    Liquid phase process for polymerizing olefins
    3.
    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
    4.
    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)。

    Liquid phase process for the polymerization of α-olefins
    5.
    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。

    1-butene propylene copolymer compositions
    7.
    发明授权
    1-butene propylene copolymer compositions 有权
    1-丁烯丙烯共聚物组合物

    公开(公告)号:US08097681B2

    公开(公告)日:2012-01-17

    申请号:US12310508

    申请日:2007-08-22

    IPC分类号: C08L23/20 C08F210/08

    摘要: A 1-butene/propylene copolymer composition having a content of propylene derived units from 1 to 4% by weight, wherein at least 50% of the crystalline polymer is present in the thermodynamically stable, trigonal Form I (detected by DSC analysis) after 100 hours of the first melting at room temperature comprising: b) from 5% by weight to 95% by weight of an atactic 1-butene propylene copolymer having the following features: i) distribution of molecular weight Mw/Mn equal to or lower than 4; ii) no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); and iii) infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene propylene copolymer having the following features: i) isotactic pentads (mmmm) measured by 13C-NMR, higher than 80%; ii) melting point (Tm(II)) higher than 70° C.; and iii) distribution of molecular weight Mw/Mn equal to or lower than 4.

    摘要翻译: 具有1至4重量%的丙烯衍生单元含量的1-丁烯/丙烯共聚物组合物,其中至少50%的结晶聚合物存在于热力学稳定的三角形式I(通过DSC分析检测)后100 包括:b)5重量%至95重量%的具有以下特征的无规立构1-丁烯丙烯共聚物:i)分子量Mw / Mn等于或低于4的分布 ; ii)在差示扫描量热计(DSC)处不可检测到融合焓; 和iii)红外结晶度低于0.5%; b)5重量%至95重量%的具有以下特征的全同立构1-丁烯丙烯共聚物:i)通过13 C-NMR测量的全同立构五单元组(mmmm)高于80%; ii)高于70℃的熔点(Tm(II))。 和iii)等于或低于4的分子量Mw / Mn的分布。

    Solution polymerization process for preparing polyolefins
    8.
    发明授权
    Solution polymerization process for preparing polyolefins 有权
    用于制备聚烯烃的溶液聚合方法

    公开(公告)号:US08153757B2

    公开(公告)日:2012-04-10

    申请号:US12735149

    申请日:2008-12-18

    IPC分类号: C08F6/00 C08F110/02

    摘要: A solution process for polymerizing one or more α-olefins of formula CH2═CHR, where R is H or an alkyl radical C1-12, to produce a polyolefin soluble in the reaction medium, the process comprising:a) polymerizing said one or more α-olefins in a solution phase in the presence of a polymerization catalyst and a inert solvent having a vapor pressure lower than 100 kPa at 20° C.;b) separating the produced polyolefin from the unreacted monomers and the inert solvent by means of a sequence of at least three volatilization chambers operating at a decreasing pressure, the second devolatilization chamber being operated at a pressure from 0.8 to 5 bar.

    摘要翻译: 用于聚合一种或多种式CH 2 = CHR的α-烯烃(其中R是H或烷基C1-12)以产生可溶于反应介质的聚烯烃的溶液方法,所述方法包括:a)使所述一种或多种 在聚合催化剂和20℃下蒸气压低于100kPa的惰性溶剂的存在下,在溶液相中形成α-烯烃。 b)通过在减压下操作的至少三个挥发室的顺序将生产的聚烯烃与未反应的单体和惰性溶剂分离,第二脱挥发分室在0.8至5巴的压力下操作。

    1-BUTENE PROPYLENE COPOLYMER COMPOSITIONS
    10.
    发明申请
    1-BUTENE PROPYLENE COPOLYMER COMPOSITIONS 有权
    1-BOTENE丙烯共聚物组合物

    公开(公告)号:US20100121015A1

    公开(公告)日:2010-05-13

    申请号:US12310507

    申请日:2007-08-23

    IPC分类号: C08F210/08

    摘要: A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form 1 after 100 hours at room temperature, said composition comprising: a) from 5% by weight to 95% by weight of an atactic 1-butene propylene copolymer having the following features: i) distribution of molecular weight Mw/Mn equal to or lower than 4; ii) no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); and iii) infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene propylene copolymer having the following features: i) isotactic pentads (mmmm) measured by 13C-NMR, higher than 80%; ii) melting point (Tm(II)) higher than 70° C.; and iii) distribution of molecular weight Mw/Mn equal to or lower than 4.

    摘要翻译: 所述丙烯衍生单元的含量为4-10重量%的1-丁烯/丙烯共聚物组合物,其中至少50%的聚合物在室温下100小时后以热力学稳定的三角形式1存在,所述组合物 包括:a)5重量%至95重量%的具有以下特征的无规立构1-丁烯丙烯共聚物:i)分子量Mw / Mn等于或低于4的分布; ii)在差示扫描量热计(DSC)处不可检测到融合焓; 和iii)红外结晶度低于0.5%; b)5重量%至95重量%的具有以下特征的全同立构1-丁烯丙烯共聚物:i)通过13 C-NMR测量的全同立构五单元组(mmmm)高于80%; ii)高于70℃的熔点(Tm(II))。 和iii)等于或低于4的分子量Mw / Mn的分布。