Pipe systems made from random copolymers of propylene and α-olefins
    413.
    发明授权
    Pipe systems made from random copolymers of propylene and α-olefins 有权
    由丙烯和α-烯烃的无规共聚物制成的管道系统

    公开(公告)号:US08017206B2

    公开(公告)日:2011-09-13

    申请号:US11629764

    申请日:2005-06-16

    Abstract: Pipe systems having at least one layer comprising a semi-crystalline random polymer of propylene and 0.2 to 5 wt % 1-hexen and optionally a recurring unit selected from ethylene and a C4-C10 α-olefin in an amount from more than 0 to 9% by moles. The polymer exhibits broad molecular weight distribution, in terms of the ratio of weight average molecular weight to numeric average molecular weight formula (I), ranging from 5 to 11, molecular weight distribution of monomodal type and hexen-1 content in the fraction with an intrinsic viscosity of equal to or higher than 3.3 dl/g lower than the hexen-1 content in the fraction with an intrinsic viscosity of less than 3.3 dl/g. ( Mw/ Mn)   (I)

    Abstract translation: 具有至少一层的管道系统包括丙烯的半结晶无规聚合物和0.2-5重量%1-己烯和任选的选自乙烯和C 0 -C 10α-烯烃的重复单元,其量大于0至9 %摩尔。 根据重均分子量与数均分子量式(I)的比例,聚合物显示出宽分子量分布,范围为5至11,分数中的单峰型和己烯-1含量的分子量分布为 特性粘度等于或高于特性粘度小于3.3dl / g的级分中的己烯-1含量低于3.3dl / g。 (Mw / Mn)(I)

    Polyolefin Compositions Having Good Resistance at Whitening
    414.
    发明申请
    Polyolefin Compositions Having Good Resistance at Whitening 审中-公开
    具有良好的抗白度的聚烯烃组合物

    公开(公告)号:US20110190450A1

    公开(公告)日:2011-08-04

    申请号:US13063357

    申请日:2009-09-21

    Abstract: A polyolefin composition comprising, in percentage by weight based on the weight sum of the components (a1), (a2) and (b):a1) 16-78% of a propylene homopolymer or copolymer containing at most 15% of ethylene and/or C4-C10 α-olefin(s), having an isotactic index over 80%; anda2) 6-44% of a copolymer of ethylene with one or more C4-C10 α-olefin(s) containing from 10 to 40%, preferably from 15 to 35%, of said C4-C10 α-olefin(s);b) 3-70% of a butene-1 (co)polymer having:a content of butene-1 derived units of 80% wt or more,flexural modulus (MEF) of 60 MPa or less. The polyolefin composition exhibits good impact resistance, excellent whitening resistance and relatively low stiffness combined with good optical properties suitable for injection and blow molding, thermoforming and film application.

    Abstract translation: 基于组分(a1),(a2)和(b)的重量总和的重量百分比含量的聚烯烃组合物:a1)含有至多15%乙烯和/或其混合物的丙烯均聚物或共聚物的16-78% 或具有超过80%的全同立构指数的C 4 -C 10α-烯烃; 和a2)6-44%的乙烯与一种或多种含有10至40%,优选15至35%的所述C 4 -C 10α-烯烃的C 4 -C 10α-烯烃的共聚物, ; b)3-70%的丁烯-1(共)聚合物,其具有80重量%以上的丁烯-1衍生单元的含量,挠曲模量(MEF)为60MPa以下。 聚烯烃组合物表现出良好的抗冲击性,优异的耐白化性和相对低的刚度以及适于注射和吹塑,热成型和膜应用的良好光学性能。

    Process for the preparation of soft propylene polymer compositions
    415.
    发明授权
    Process for the preparation of soft propylene polymer compositions 有权
    制备软丙烯聚合物组合物的方法

    公开(公告)号:US07981982B2

    公开(公告)日:2011-07-19

    申请号:US12451595

    申请日:2008-05-07

    Abstract: A process for the preparation of a propylene copolymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content higher than 9% and a Xylene soluble fraction at room temperature higher than 20% comprising at least one polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones said process being characterized by the fact that at least 30% by weight of said xylene soluble fraction is produced in the polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones.

    Abstract translation: 制备弯曲模量低于500MPa,总乙烯含量高于9%的丙烯共聚物组合物和室温高于20%的二甲苯可溶组分的方法,包括在气体中进行的至少一个聚合步骤 包含至少两个相互连接的聚合区的所述相相聚合反应器,所述方法的特征在于,在聚合步骤中产生至少30重量%的所述二甲苯可溶部分,所述聚合步骤在气相聚合反应器中进行,所述气相聚合反应器包括至少两个互连的 聚合区。

    COMPOSITIONS OF 1-BUTENE BASED POLYMERS
    418.
    发明申请
    COMPOSITIONS OF 1-BUTENE BASED POLYMERS 失效
    基于1-BOTENE的聚合物的组合物

    公开(公告)号:US20110003938A1

    公开(公告)日:2011-01-06

    申请号:US12735953

    申请日:2009-02-26

    CPC classification number: C08L23/20 C08L2205/02 C08L2666/06

    Abstract: A 1-butene polymer composition comprising: a) from 10% to 90% by weight of an isotactic 1-butene polymer having the following features: i) isotactic pentad (mmmm) measured by 13C-NMR, higher than 90%; ii) melting point (TmII) higher than 90° C.; and iii) intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 135° C. comprised between 0.5 dl/g and 5.0 dl/g. b) from 90% to 10% by weight of a copolymer of 1-butene and at least a C8-C12 alpha-olefin derived units, containing from 0% to 10% by mole of propylene or pentene derived units, and/or containing from 0% to 5% by mole of ethylene derived units having a content of C8-C12 alpha-olefin derived units higher than 4.0% by mol and lower than 20.0% by mol; endowed with the following features: i) isotactic pentad mmmm higher than or equal to 90%; pentads (mmrr+mrrm) lower than 4 and pentad rmmr not detectable by C NMR. ii) intrinsic viscosity (IV) measured in tetrahydronaphthalene at 135° C. comprised between 0.8 and 5.0 dL/g; iii) the melting point measured by DSC (TmI) and the C8-C12 alpha-olefin content fulfil the following relationship: TmI

    Abstract translation: 1-丁烯聚合物组合物,其包含:a)10重量%至90重量%的具有以下特征的全同立构1-丁烯聚合物:i)通过13 C-NMR测量的全同立构五单元组(mmmm)高于90%; ii)高于90℃的熔点(TmII)。 和iii)在135℃下在四氢化萘(THN)中测量的特性粘度(IV)为0.5dl / g至5.0dl / g。 b)90重量%至10重量%的1-丁烯和至少一种C 8 -C 12α-烯烃衍生单元的共聚物,其含有0至10摩尔%的丙烯或戊烯衍生的单元,和/或含 来自具有高于4.0摩尔%且低于20.0摩尔%的C 8 -C 12α-烯烃衍生单元的乙烯衍生单元的0摩尔%至5摩尔% 具有以下特征:i)等于或等于90%的全同立构五单位mmmm; 低于4的五单元组(mmrr + mrrm)和不能通过C NMR检测的五元组。 ii)在135℃下在四氢化萘中测得的特性粘度(Ⅳ)为0.8至5.0dL / g; iii)通过DSC(TmI)和C8-C12α-烯烃含量测量的熔点满足以下关系:TmI <130×C-0.3其中C是C8-C12α-烯烃衍生单元的摩尔含量,TmI是 第一次熔融转变中最高的熔融峰; 否则熔点TmI不可检测;

    1-BUTENE TERPOLYMERS
    419.
    发明申请
    1-BUTENE TERPOLYMERS 审中-公开
    1-BOTENE TERPOLYMERS

    公开(公告)号:US20100324238A1

    公开(公告)日:2010-12-23

    申请号:US12735956

    申请日:2009-02-27

    Abstract: A terpolymer of 1-butene, ethylene and a at least a C8-C12 alpha-olefin derived units, containing from 0.1% to 5% by mole of ethylene derived units and from 1 from 20% by mol of C8-C12 alpha-olefin derived units, endowed with the following properties: i) isotactic pentad mmmm higher than or equal to 90%; pentads (mmrr+mrrm) lower than 4 and pentad rmmr not detectable by 13C NMR. ii) intrinsic viscosity (IV) measured in tetrahydronaphthalene at 135° C. comprised between 0.8 and 5.0 dL/g; iii) the melting point measured by DSC (TmI) and the C8-C12 alpha-olefin content fulfil the following relationship: TmI

    Abstract translation: 1-丁烯,乙烯和至少一种C 8 -C 12α-烯烃衍生单元的三元共聚物,其含有0.1%至5%(摩尔)的乙烯衍生单元,和1%为20%(摩尔)的C 8 -C 12α-烯烃 具有以下性质:i)等于或等于90%的全同立构五单元mmmm; 低于4的五元组(mmrr + mrrm)和13C NMR不能检测到的五元组。 ii)在135℃下在四氢化萘中测得的特性粘度(Ⅳ)为0.8至5.0dL / g; iii)通过DSC(TmI)和C8-C12α-烯烃含量测量的熔点满足以下关系:TmI <130×C-0.3其中C是C8-C12α-烯烃衍生单元的摩尔含量,TmI是 通过DSC测量的第一熔融转变中的最高熔融峰不能检测到熔点Tm1。

    MULTISTAGE PROCESSF FOR THE POLYMERIZATION OF OLEFINS
    420.
    发明申请
    MULTISTAGE PROCESSF FOR THE POLYMERIZATION OF OLEFINS 有权
    烯烃聚合的多种方法

    公开(公告)号:US20100305283A1

    公开(公告)日:2010-12-02

    申请号:US12733773

    申请日:2008-08-27

    Abstract: A process for the multistage polymerization of olefins in a sequence of an upstream slurry reactor and a downstream gas-phase reactor, the transfer of polymer from the upstream reactor to the downstream reactor comprising the following steps: a) heating the slurry of polyolefin particles to evaporate the liquid polymerization medium; b) separating the polyolefin particles from the obtained gaseous phase in at least a separation chamber; c) transferring the polyolefin particles to said downstream reactor by means of a couple of lock hoppers working intermittently in parallel, where one of said lock hoppers is continuously filled with the polymer coming from said separation chamber, while simultaneously the other one is continuously pressurized by means of a gas comprising the reaction mixture coming from said downstream reactor.

    Abstract translation: 一种用于上游浆料反应器和下游气相反应器的顺序的烯烃多段聚合的方法,聚合物从上游反应器转移到下游反应器,包括以下步骤:a)将聚烯烃颗粒的浆料加热至 蒸发液体聚合介质; b)在至少分离室中从所获得的气相中分离聚烯烃颗粒; c)通过一对间歇地并行工作的一对锁定料斗将聚烯烃颗粒转移到所述下游反应器,其中一个所述锁定料斗连续地填充有来自所述分离室的聚合物,同时另一个由 包括来自所述下游反应器的反应混合物的气体的方法。

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