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    • 2. 发明申请
    • THERMOPLASTIC ELASTOMER POLYOLEFIN IN-REACTOR BLENDS AND MOLDED ARTICLES THEREFROM
    • 热塑性弹性体聚烯烃反应器混合物和其中的成型制品
    • WO2010075111A2
    • 2010-07-01
    • PCT/US2009/068123
    • 2009-12-15
    • EXXONMOBIL CHEMICAL PATENTS INC.JIANG, PeijunDEKMEZIAN, ArmenagSQUIRE, Kevin, R.GARCIA-FRANCO, Cesar, A.
    • JIANG, PeijunDEKMEZIAN, ArmenagSQUIRE, Kevin, R.GARCIA-FRANCO, Cesar, A.
    • C08L23/04C08F10/02
    • C08L23/16C08F10/06C08F210/06C08L23/12C08L2205/02C08L2207/02C08L2207/07C08L2308/00C08L2314/06C08F2/001C08F210/16C08F2500/04C08F2500/11C08F2500/12C08F2500/17C08F2500/18C08F2500/20
    • This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene- containing polymer having a density of greater than 0.90 g/cm 3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm 3 , wherein the polymer blend has a Tm of at least 90 0C (DSC second melt), a density of less than 0.92 g/cm 3 , and the densities of the first and second polymers differ by at least 1%. Specifically this invention relates to an in-reactor polymer blend comprising: (a) a first ethylene polymer comprising 90 to 100 wt% ethylene and from 0 to less than 10 wt% comonomer, said first ethylene polymer component having density of greater than 0.920 g/cm 3 , an Mw of 20,000 g/mol or more; and (b) a second ethylene polymer comprising from 70 to 90 wt% ethylene and 30 to 10 wt% comonomer, said second ethylene polymer having a density of 0.910 g/cm 3 or less, wherein the polymer blend has: (a) a Tm of at least 100 0C over a density ranging from 0.84 to 0.92 g/cm 3 ; (b) a elongation at break of 300% or more; (c) a strain hardening index M300/M100 of at least 1.2; (d) a ratio of complex viscosity at 0.01 rad/s to the viscosity at 100 rad/s is of at least 30; and (e) a shear thinning slope of the plot of log(dynamic viscosity) versus log(frequency) less than -0.2.
    • 本发明涉及一种反应器内聚合物共混物,其包含:(a)密度大于0.90g / cm 3,Mw大于20,000g / mol的第一含乙烯聚合物和(b)第二含乙烯的聚合物 聚合物的密度小于0.90g / cm 3,其中聚合物共混物具有至少90℃的Tm(DSC第二熔体),密度小于0.92g / cm 3,并且第一和第二聚合物的密度不同 至少1%。 具体而言,本发明涉及一种反应器内聚合物共混物,其包含:(a)包含90至100重量%乙烯和0至小于10重量%共聚单体的第一乙烯聚合物,所述第一乙烯聚合物组分的密度大于0.920g / cm3,Mw为20,000g / mol以上; 和(b)包含70-90wt%乙烯和30-10wt%共聚单体的第二乙烯聚合物,所述第二乙烯聚合物的密度为0.910g / cm 3或更低,其中所述聚合物共混物具有:(a)Tm 至少100℃,密度范围为0.84至0.92g / cm3; (b)断裂伸长率在300%以上; (c)至少为1.2的应变硬化指数M300 / M100; (d)0.01rad / s下的复数粘度与100rad / s下的粘度之比至少为30; 和(e)对数(动态粘度)对log(频率)小于-0.2的曲线的剪切变薄斜率。
    • 4. 发明申请
    • MULTIPLE CATALYST SYSTEM FOR OLEFIN POLYMERIZATION AND POLYMERS PRODUCED THEREFROM
    • 用于烯烃聚合的多元催化剂体系及其生产的聚合物
    • WO2004046214A2
    • 2004-06-03
    • PCT/US2003/032910
    • 2003-10-15
    • EXXONMOBIL CHEMICAL PATENTS INC.JIANG, PeijunDEKMEZIAN, ArmenagCANICH, Jo, Ann, M.SIMS, Charles, L.ABHARI, RaminGARCIA-FRANCO, Cesar, A.JOHNSRUD, David, R.
    • JIANG, PeijunDEKMEZIAN, ArmenagCANICH, Jo, Ann, M.SIMS, Charles, L.ABHARI, RaminGARCIA-FRANCO, Cesar, A.JOHNSRUD, David, R.
    • C08F210/06
    • C09J123/12C08F4/65908C08F4/65912C08F4/6592C08F4/65927C08F10/00C08F110/06C08F210/06C08L57/02C08L2666/02C09J5/00C09J7/20C09J123/10C09J2201/606C09J2201/622C09J2205/31C09J2401/006C09J2421/00C09J2423/006C09J2423/046C09J2423/106C09J2427/006C09J2433/00Y10S526/943C08F4/65904C08F2500/15C08F2500/05C08F2500/20C08F2500/17C08F2500/09C08F2500/12C08F236/20C08F2500/03C08F210/16C08F4/63904
    • 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 ehtylene, 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 % ehtylene having: a) an isotactic run length of 1 to 3o (isotactic run length “IRL” is defined to be the percent of mmmm pentad divided by 0.5 x 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 60 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 1000,000 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.
    • 本发明涉及包含一种或多种C 3至C 40烯烃,任选一种或多种二烯烃和小于15摩尔%乙炔的聚合物,其中聚合物具有:a)1tonton或更大的Dot T-Peel; 和b)在聚合物的Mz下测量的支化指数(g')为0.95或更小; c)Mw为100,000或更小。 本发明还涉及一种包含一种或多种C 3至C 40烯烃的聚合物,其中聚合物具有:a)在牛皮纸上的1牛顿或更多的点T皮; b)在聚合物的Mz处测量的支化指数(g')为0.95或更小; c)10,000至100,000的Mw; 和d)1至70J / g的熔化热。 本发明还涉及一种包含一种或多种C 3至C 40烯烃的聚合物,其中聚合物具有:a)在牛皮纸上的1牛顿或更多的点T皮; b)在聚合物的Mz测量的支化指数(g')为0.98或更小; c)10,000至60,000的Mw; d)熔化热为1〜50J / g。 本发明还涉及丙烯和至多5摩尔%乙炔的均聚丙烯或共聚物,其具有:a)全同立构游程长度为1至3o(全同立构游程长度“IRL”定义为mmmm五元组的百分比除以0.5 通过碳13 NMR测定,优选3至25,更优选4至20,b)通过碳13 NMR测定的r二重比例大于20%,优选20至70%的百分比, 和c)70J / g以下,优选为60J / g以下,更优选为1〜55J / g,更优选为4〜60J / g的熔融热。 本发明还涉及一种生产烯烃聚合物的方法,包括:1)选择能够在选定的聚合条件下产生Mw为100,000以下且聚合度为5%以下的聚合物的第一催化剂组分; 2)选择能够在选定的聚合条件下产生Mw为100,000以下且结晶度为20%以上的聚合物的第二催化剂成分; 3)在一个或多个活化剂存在下,使催化剂组分与一种或多种C 3至C 40烯烃在选定的聚合条件下在反应区中接触; 4)获得聚合物。 本发明还涉及一种制备支链烯烃聚合物的连续方法,包括:1)选择能够在选择的聚合条件下产生Mw为1000,000以下且结晶度为5%以下的聚合物的第一催化剂组分; 2)选择能够在选定的聚合条件下产生Mw为100,000以下且结晶度为20%以上的聚合物的第二催化剂成分; 3)在一种或多种活化剂存在下与一种或多种C 3至C 40烯烃和任选的一种或多种二烯烃接触催化剂组分; 4)在大于100℃的温度下; 5)停留时间为120分钟以下; 6),其中第一催化剂与第二催化剂的比例为1:1至50:1; 7)其中催化剂组分的活性为每克催化剂组分至少100千克聚合物; 并且其中至少20%的烯烃转化为聚合物。
    • 5. 发明申请
    • FOAMABLE THERMOPLASTIC REACTOR BLENDS AND FOAM ARTICLE THEREFROM
    • 可发泡的热塑性反应器共混物及其泡沫制品
    • WO2012094099A2
    • 2012-07-12
    • PCT/US2011/064139
    • 2011-12-09
    • EXXONMOBIL CHEMICAL PATENTS INC.JIANG, PeijunSAHNOUNE, AbdelhadiDEKMEZIAN, Armenag
    • JIANG, PeijunSAHNOUNE, AbdelhadiDEKMEZIAN, Armenag
    • C08J9/04C08J9/06C08L23/10C08F10/06
    • C08L23/10C08F255/02C08J9/0061C08J2205/052C08J2323/10C08J2423/12C08L23/12C08L23/142C08L2203/14C08L2205/02C08L2205/025C08L2666/06
    • 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/m 3 or less.
    • 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)第一丙烯聚合物组分,其包含90至100wt%的丙烯和0至小于10wt%的共聚单体, 所述第一丙烯组分的Tm为120℃或更高; 和(b)包含30-90重量%丙烯和70-10重量%共聚单体的第二丙烯聚合物组分,所述第二丙烯聚合物具有30,000g / mol或更高的Mw,并且所述第二含丙烯聚合物具有结晶度 与第一聚合物相差至少5%,其中聚合物共混物在与发泡剂结合之前具有:(i)至少120℃的Tm; (ii)10dg / min或更高的MFR; (iii)至少8MPa的拉伸强度; (iv)至少200%的断裂伸长率; 和(v)当在1秒-1的应变速率和180℃的温度下测量伸长粘度时,断裂伸长粘度与线性粘度之比为5或更大; 当混合物用发泡剂发泡时,发泡制品的密度为800kg / m 3或更低。