Polymerization Process
    101.
    发明申请
    Polymerization Process 失效
    聚合过程

    公开(公告)号:US20080033127A1

    公开(公告)日:2008-02-07

    申请号:US11628165

    申请日:2005-06-20

    IPC分类号: C08F10/00 C08F2/14

    摘要: This invention relates to a multiple phase polymerization process to produce polyolefins comprising contacting olefins and a homogeneous catalyst or catalyst system at a temperature between the melting point of the dry polymer and 80° C. below the melting point of the dry polymer in the presence of a fluorinated hydrocarbon. This invention also relates to a process to produce polyethylene comprising contacting a homogeneous catalyst or catalyst system with ethylene and from 0 to 40 weight % of one or more C3 to C40 olefin comonomer(s) in the presence of a fluorinated hydrocarbon and optionally a hydrocarbon solvent at a temperature below the reaction medium melting point. This invention also relates to a process to produce polypropylene comprising contacting a homogeneous catalyst or catalyst system with propylene and from 0 to 50 weight % of one or more of ethylene and C4 to C40 olefin comonomer(s) in the presence of a fluorinated hydrocarbon and optionally a hydrocarbon solvent at a temperature below the reaction medium melting point.

    摘要翻译: 本发明涉及生产聚烯烃的多相聚合方法,包括使烯烃和均相催化剂或催化剂体系在干聚合物的熔点和低于干聚合物熔点的80℃之间的温度下,在存在 氟化烃。 本发明还涉及一种生产聚乙烯的方法,其包括使均相催化剂或催化剂体系与乙烯和0至40重量%的一种或多种C 3至C 40烯烃共聚单体在氟化烃和任选的烃 溶剂在低于反应介质熔点的温度下进行。 本发明还涉及生产聚丙烯的方法,包括在氟化烃存在下使均相催化剂或催化剂体系与丙烯和0至50重量%的一种或多种乙烯和C 4至C 40烯烃共聚单体接触, 任选的烃溶剂在低于反应介质熔点的温度下。

    Multiple catalyst system for olefin polymerization and polymers produced therefrom

    公开(公告)号:US20070293640A1

    公开(公告)日:2007-12-20

    申请号:US11888876

    申请日:2007-08-02

    IPC分类号: C08F4/44 C08F10/14

    摘要: This invention relates to a polymer comprising one or more C3 to C40 olefins, optionally one or more diolefins, and less than 15 mole % of ethylene, where the polymer has: a) a Dot T-Peel of 1 Newton or more; and b) a branching index (g′) of 0.95 or less measured at the Mz of the polymer; c) an Mw of 100,000 or less. This invention also relates a polymer comprising one or more C3 to C40 olefins where the polymer has: a) a Dot T-Peel of 1 Newton or more on Kraft paper; b) a branching index (g′) of 0.95 or less measured at the Mz of the polymer; c) a Mw of 10,000 to 100,000; and d) a heat of fusion of 1 to 70 J/g. This invention also relates a polymer comprising one or more C3 to C40 olefins where the polymer has: a) a Dot T-Peel of 1 Newton or more on Kraft paper; b) a branching index (g′) of 0.98 or less measured at the Mz of the polymer; c) a Mw of 10,000 to 60,000; d) a heat of fusion of 1 to 50 J/g. This invention also relates to a homopolypropylene or a copolymer of propylene and up to 5 mole % ethylene having: a) an isotactic run length of 1 to 30 (isotactic run length “IRL” is defined to be the percent of mmmm pentad divided by 0.5× percent of mmmr pentad) as determined by Carbon 13 NMR, preferably 3 to 25, more preferably 4 to 20, b) a percent of r dyad of greater than 20%, preferably from 20 to 70% as determined by Carbon 13 NMR, and c) a heat of fusion of 70 J/g or less, preferably 60 J/g or less, more preferably between 1 and 55 J/g, more preferably between 4 and 50 J/g. This invention further relates to a process to produce an olefin polymer comprising: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 5% or less at selected polymerization conditions; 2) selecting a second catalyst component capable of producing polymer having an Mw of 100,000 or less and a crystallinity of 20% or more at the selected polymerization conditions; 3) contacting the catalyst components in the presence of one or more activators with one or more C3 to C40 olefins, at the selected polymerization conditions in a reaction zone; 4) obtaining the polymer. This invention further relates to a continuous process to produce a branched olefin polymer comprising: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 5% or less under selected polymerization conditions; 2) selecting a second catalyst component capable of producing polymer having an Mw of 100,000 or less and a crystallinity of 20% or more at the selected polymerization conditions; 3) contacting the catalyst components in the presence of one or more activators with one or more C3 to C40 olefins, and, optionally one or more diolefins; 4) at a temperature of greater than 100° C.; 5) at a residence time of 120 minutes or less; 6) wherein the ratio of the first catalyst to the second catalyst is from 1:1 to 50:1; 7) wherein the activity of the catalyst components is at least 100 kilograms of polymer per gram of the catalyst components; and wherein at least 20% of the olefins are converted to polymer.

    Process to produce low viscosity poly-alpha-olefins
    104.
    发明申请
    Process to produce low viscosity poly-alpha-olefins 有权
    生产低粘度聚-α-烯烃的方法

    公开(公告)号:US20070043248A1

    公开(公告)日:2007-02-22

    申请号:US11489313

    申请日:2006-07-19

    IPC分类号: C07C2/02

    摘要: This invention relates to a process to produce a polyalpha-olefin comprising: 1) contacting one or more alpha-olefin monomers having 3 to 24 carbon atoms with an unbridged substituted bis cyclopentadienyl transition metal compound having: 1) at least one non-isoolefin substitution on both cyclopentadientyl rings, or 2) at least two substitutions on at least one cyclopentadienyl ring, a non-coordinating anion activator, and optionally an alkyl-aluminum compound, where the molar ratio of transition metal compound to activator is 10:1 to 0.1:1, and if the alkyl aluminum compound is present then the molar ratio of alkyl aluminum compound to transition metal compound is 1:4 to 4000:1, under polymerization conditions wherein: i) hydrogen is present at a partial pressure of 0.1 to 50 psi, based upon the total pressure of the reactor or the concentration of the hydrogen is from 1 to 10,000 ppm or less by weight; ii) wherein the alpha-olefin monomer(s) having 3 to 24 carbon atoms are present at 10 volume % or more based upon the total volume of the catalyst/activator/alkylaluminum compound solutions, monomers, and any diluents or solvents present in the reaction; iii) the residence time of the reaction is at least 5 minutes; iv) the productivity of the process is at least 43,000 grams of total product per gram of transition metal compound; v) the process is continuous or semi-continuous, and vi) the temperature in the reaction zone does not rise by more than 10° C. during the reaction; and vii) ethylene is not present at more than 30 volume % of the monomers entering the reaction zone; and 2) obtaining a polyalpha-olefin (PAO), optionally hydrogenating the PAO, wherein the PAO comprises at least 50 mole % of a C3 to C24 alpha-olefin monomer, and wherein the PAO has a kinematic viscosity at 100° C. of 20 cSt or less.

    摘要翻译: 本发明涉及一种生产聚α-烯烃的方法,包括:1)使一个或多个具有3至24个碳原子的α-烯烃单体与未桥连的取代的双环戊二烯基过渡金属化合物接触,所述化合物具有:1)至少一种非异烯烃取代 在两个环戊二烯基环上,或2)至少一个环戊二烯基环上的至少两个取代基,非配位阴离子活化剂和任选的烷基铝化合物,其中过渡金属化合物与活化剂的摩尔比为10:1至0.1 :1,如果存在烷基铝化合物,则在聚合条件下,烷基铝化合物与过渡金属化合物的摩尔比为1:4至4000:1,其中:i)氢分压为0.1至50 基于反应器的总压力或氢的浓度为1至10,000ppm或更低的重量比; ii)其中基于催化剂/活化剂/烷基铝化合物溶液,单体和存在于该溶剂中的任何稀释剂或溶剂的总体积,其中具有3至24个碳原子的α-烯烃单体以10体积%或更多存在 反应; iii)反应停留时间为至少5分钟; iv)该方法的生产率至少为每克过渡金属化合物总产品43,000克; v)该方法是连续或半连续的,和vi)反应区中的温度在反应期间不会上升超过10℃; 和vii)在超过30体积%的进入反应区的单体中不存在乙烯; 和2)获得聚α-烯烃(PAO),任选地氢化PAO,其中PAO包含至少50摩尔%的C 3至C 24α-烯烃单体,并且其中PAO在100℃下具有运动粘度 20 cSt以下。

    Functionalized Olefin Polymers
    107.
    发明申请
    Functionalized Olefin Polymers 有权
    官能化烯烃聚合物

    公开(公告)号:US20130150531A1

    公开(公告)日:2013-06-13

    申请号:US13524288

    申请日:2012-06-15

    IPC分类号: C08L23/16 C08L23/26

    摘要: This invention relates to a composition comprising a functionalized C3 to C40 olefin polymer comprising at least 50 mol % of one or more C3 to C40 olefins, and where the olefin polymer, prior to functionalization, has: a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of 10,000 to 100,000; and a branching index (g′) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or a branching index of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000; and where the C3 to C40 olefin polymer comprises at least 0.001 wt % of a functional group. This invention further relates to blends of such functionalized polymers with other polymers including non-functionalized C3 to C40 olefin polymers as described above.

    摘要翻译: 本发明涉及包含官能化的C 3至C 40烯烃聚合物的组合物,其包含至少50摩尔%的一种或多种C 3至C 40烯烃,并且其中在官能化之前烯烃聚合物具有:1牛顿的点T- 更多牛皮纸; 10,000至100,000的Mw; 和当聚合物的Mw为10,000至60,000时聚合物的Mz测量的支化指数(g')为0.98或更小,或当聚合物具有聚合物的Mw时,在聚合物的Mz下测量的支化指数为0.95或更小 Mw为10,000至100,000; 并且其中C 3至C 40烯烃聚合物包含至少0.001重量%的官能团。 本发明还涉及这种官能化聚合物与其它聚合物的混合物,包括如上所述的非官能化的C 3至C 40烯烃聚合物。

    Foamable thermoplastic reactor blends and foam article therefrom
    109.
    发明授权
    Foamable thermoplastic reactor blends and foam article therefrom 有权
    可发泡热塑性反应器共混物和泡沫制品

    公开(公告)号:US08227547B2

    公开(公告)日:2012-07-24

    申请号:US12986645

    申请日:2011-01-07

    摘要: This invention relates to a foamable blend comprising an in-reactor polymer blend comprising: (a) a first propylene polymer component comprising 90 to 100 wt % propylene and from 0 to less than 10 wt % comonomer, said first propylene component having a Tm of 120° C. or more; and (b) a second propylene polymer component comprising from 30 to 90 wt % propylene and 70 to 10 wt % comonomer, said second propylene polymer having an Mw of 30,000 g/mol or more, and said second propylene-containing polymer having a crystallinity different by at least 5% from the first polymer, wherein the polymer blend, prior to combination with a foaming agent, has: (i) a Tm of at least 120° C.; (ii) a MFR of 10 dg/min or more; (iii) a tensile strength of at least 8 MPa; (iv) an elongation at break of at least 200%, and (v) a ratio of elongational viscosity at break to linear viscosity of 5 or more when the elongational viscosity is measured at a strain rate of 1 sec−1 and temperature of 180° C.; and where when the blend is foamed with a foaming agent, the foamed article has a density of 800 kg/m3 or less.

    摘要翻译: 本发明涉及包含反应器内聚合物共混物的可发泡共混物,其包含:(a)包含90至100重量%丙烯和0至小于10重量%共聚单体的第一丙烯聚合物组分,所述第一丙烯组分的Tm为 120℃以上; 和(b)第二丙烯聚合物组分,其包含30至90重量%的丙烯和70至10重量%的共聚单体,所述第二丙烯聚合物的Mw为30,000g / mol以上,所述第二丙烯聚合物具有结晶度 与第一聚合物不同,其中所述聚合物共混物在与发泡剂组合之前具有:(i)至少120℃的Tm; (ii)10dg / min以上的MFR; (iii)至少8MPa的拉伸强度; (iv)断裂伸长率至少为200%,(v)当在1秒-1的应变速率和温度为180℃下测量伸长粘度时,断裂时的拉伸粘度与线性粘度之比为5以上 C。; 并且当共混物用发泡剂发泡时,发泡制品的密度为800kg / m 3或更小。