1-butene propylene copolymer compositions
    1.
    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
    3.
    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
    5.
    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。

    Process compositions and permeable films therefrom
    7.
    发明授权
    Process compositions and permeable films therefrom 有权
    工艺组合物和渗透膜

    公开(公告)号:US08202611B2

    公开(公告)日:2012-06-19

    申请号:US11793662

    申请日:2005-12-07

    IPC分类号: B32B27/32 C08L23/12

    摘要: Films especially suitable for the packaging of fresh foodstuff, like salad and vegetables, due to their high permeability to oxygen, carbon dioxide and water vapor, are obtained from polyolefin composition comprising (percentage by weight): A) 5% to 80% of a butene-1 polymer or polymer composition containing from 0% to 25% of one or more comonomers selected from ethylene and alpha-olefins different from 1-butene, provided that, when ethylene only is present as comonomer, the amount of ethylene is higher than 4% and a copolymer fraction (i) containing at least 6.2% of ethylene is present, said polymer or polymer composition having a content of fraction soluble in xylene at 0° C. of from 50% to 100% and a Flexural Modulus (measured according to ISO 178) from 15 to 300 MPa; B) 20% to 95% of a propylene homopolymer or copolymer having a content of fraction insoluble in xylene at room temperature of 93% or more.

    摘要翻译: 由于其对氧气,二氧化碳和水蒸气的高渗透性,特别适用于包装新鲜食品(如沙拉和蔬菜)的薄膜由包含(重量百分比)的聚烯烃组合物获得:A)5%至80%的 丁烯-1聚合物或含有0%至25%的一种或多种选自乙烯和不同于1-丁烯的α-烯烃的共聚单体的聚合物组合物,条件是当乙烯仅作为共聚单体存在时,乙烯的量高于 4%,含有至少6.2%的乙烯的共聚物级分(i)存在,所述聚合物或聚合物组合物的含量在0℃下可溶于二甲苯的比例为50%至100%,弯曲模量 根据ISO 178)15〜300MPa; B)20%至95%的丙烯均聚物或共聚物,其在室温下不溶于二甲苯的馏分含量为93%以上。

    SOLUTION POLYMERIZATION PROCESS FOR PREPARING POLYOLEFINS
    9.
    发明申请
    SOLUTION POLYMERIZATION PROCESS FOR PREPARING POLYOLEFINS 有权
    溶液聚合工艺制备聚烯烃

    公开(公告)号:US20100267906A1

    公开(公告)日:2010-10-21

    申请号:US12735149

    申请日:2008-12-18

    IPC分类号: 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 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。

    Polymerization Process for Preparing Polyolefins
    10.
    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。