PROPYLENE POLYMER COMPOSITIONS
    241.
    发明申请
    PROPYLENE POLYMER COMPOSITIONS 有权
    丙烯聚合物组合物

    公开(公告)号:US20120178882A1

    公开(公告)日:2012-07-12

    申请号:US13496592

    申请日:2010-08-25

    Abstract: A propylene composition comprising (percent by weight): A) 70%-95%, of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10, a fraction insoluble in xylene at 25° C., higher than 90%, and MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 60 to 120 g/10 min; B) 5%-30%, of a copolymer of propylene containing from 34.5% to 30.0% extremes included of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 3 and 5 dl/g.

    Abstract translation: 包含(重量%)的丙烯组合物:A)70%-95%的多分散指数(PI)值为4.6至10的丙烯均聚物,在25℃下不溶于二甲苯的级分,高于90 %和MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg负荷)为60至120g / 10min; B)5%-30%的丙烯共聚物,其含有34.5%至30.0%极限的乙烯衍生单元; 该组合物的特性粘度在25℃下溶于二甲苯的馏分的特性粘度为3至5dl / g。

    Polyolefin Compositions
    242.
    发明申请
    Polyolefin Compositions 有权
    聚烯烃组合物

    公开(公告)号:US20120136121A1

    公开(公告)日:2012-05-31

    申请号:US13378952

    申请日:2010-06-23

    Abstract: Polyolefin compositions particularly suitable for cast film, exhibiting heat sealability, retortability, low haze and stiffness, comprising: 1) 75-85% of a propylene homopolymer or copolymer of propylene with ethylene and/or one or more C4-C10 α-olefin(s), the homopolymer or copolymer having melting temperature equal to or higher than 150° C., 2) 15-25% of a copolymer of ethylene with one or more C4-C10 α-olefin(s) containing from 20 to 30% of said C4-C10 α-olefin(s); said composition having MFR (at 230° C., 2.16 kg) of from 5-10 g/10 min, the total content of ethylene of from 10 to 20%, the total content of C4-C10 α-olefin(s) of from 2 to 8%, the ratio XStot/XSm of the total fraction soluble in Xylene at room temperature to the fraction soluble in Xylene at room temperature of the matrix component (1) of from 5 to 15, and the value of the intrinsic viscosity of the total fraction soluble in Xylene at room temperature (XSIVtot) of 1.5 dl/g or less.

    Abstract translation: 特别适用于流延膜的聚烯烃组合物,具有热封性,蒸煮性,低雾度和刚度,包括:1)75-85%的丙烯均聚物或丙烯与乙烯和/或一种或多种C 4 -C 10α-烯烃的共聚物 s),熔融温度等于或高于150℃的均聚物或共聚物,2)乙烯与一种或多种含有20至30重量%的C 4 -C 10α-烯烃的共聚物的15-25% 的所述C 4 -C 10α-烯烃; 所述组合物的MFR(在230℃,2.16kg)为5-10g / 10min,乙烯的总含量为10至20%,C 4 -C 10α-烯烃的总含量为 2〜8%,室温下可溶于二甲苯的总馏分的比例XStot / XSm与基体成分(1)的室温下可溶于二甲苯的馏分的比例为5〜15,特性粘度 在室温下可溶于二甲苯的总馏分(XSIVtot)为1.5dl / g以下。

    PROCESS FOR THE PREPARATION OF POLYMER OF 1-BUTENE
    243.
    发明申请
    PROCESS FOR THE PREPARATION OF POLYMER OF 1-BUTENE 失效
    制备1-BOTENE聚合物的方法

    公开(公告)号:US20120116032A1

    公开(公告)日:2012-05-10

    申请号:US13384191

    申请日:2010-07-02

    Abstract: A process for the preparation of 1-butene homopolymers or 1-butene/alpha olefin copolymers wherein the alpha olefins are selected from ethylene, propylene or alpha olefins of formula CH2═CHZ wherein Z is a C3-C20 alkyl radical, comprising contacting 1-butene or 1-butene and one or more alpha olefins under polymerization conditions in the presence of a catalyst system comprising: (a) a solid component comprising a Ti compound and an internal electron-donor compound supported on MgCl2 (b) an alkylaluminum cocatalyst; and (c) a compound of formula (I) as external donor

    Abstract translation: 一种制备1-丁烯均聚物或1-丁烯/α-烯烃共聚物的方法,其中α-烯烃选自式为CH2 = CHZ的乙烯,丙烯或α-烯烃,其中Z为C 3 -C 20烷基, 丁烯或1-丁烯和一种或多种α-烯烃在催化剂体系存在下在聚合条件下,包括:(a)固体组分,其包含Ti化合物和负载在MgCl 2(b)烷基铝助催化剂上的内电子给体化合物; 和(c)作为外给体的式(I)化合物

    Solution polymerization process for preparing polyolefins
    244.
    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

    Abstract: 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.

    Abstract translation: 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。

    Propylene Polymer Compositions
    246.
    发明申请
    Propylene Polymer Compositions 有权
    丙烯聚合物组合物

    公开(公告)号:US20120046417A1

    公开(公告)日:2012-02-23

    申请号:US13264974

    申请日:2010-04-29

    CPC classification number: C08L23/142 C08L2201/10 C08L2205/02 C08L2666/06

    Abstract: A propylene composition comprising (percent by weight): A) 60%-90%, of a crystalline propylene copolymer containing from 3.5% to 10% of ethylene derived units and having a melting temperature Tm (measured by DSC on the as-reactor polymer) ranging from 146° to 160° C.; B) 10%-40%, of a copolymer of propylene containing from 15% to 30%, of ethylene derived units.

    Abstract translation: 包含(重量%)的丙烯组合物:A)60%-90%的含有3.5%至10%乙烯衍生单元并具有熔融温度Tm(在反应器上聚合物上通过DSC测量)的结晶丙烯共聚物 )范围为146°至160°C。 B)10%-40%的含有15%至30%的乙烯衍生单元的丙烯共聚物。

    Heterophasic polyolefin compositions having improved tensile properties
    248.
    发明授权
    Heterophasic polyolefin compositions having improved tensile properties 有权
    具有改进的拉伸性能的多相聚烯烃组合物

    公开(公告)号:US08080616B2

    公开(公告)日:2011-12-20

    申请号:US12734172

    申请日:2008-09-29

    CPC classification number: C08L23/0815 C08L23/10 C08L2205/02 C08L2666/06

    Abstract: Polyolefin composition comprising, in percent by weight: A) 50-75% of a blend of polymers (PP) and (ECI), wherein (PP) is selected from the group consisting of: (i) propylene homopolymers; (ii) copolymers of propylene; (iii) combinations of said homopolymers (i) and copolymers (ii); (EC1) is a copolymer of ethylene and propylene or CH2═CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2═CHR alpha-olefin(s), containing from 20 to 35%, of ethylene; and B) 25-50% of a copolymer (ECII) of ethylene and propylene or CH2═CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2═CHR alpha-olefin(s), containing from 40 to 60% of ethylene; in which composition the copolymer component (ECI) is present in amounts from 23 to 45% with respect to the total weight of (A), and the intrinsic viscosity [ηtot] of the fraction XS soluble in xylene at room temperature, referred to the total weight of (A)+(B), is of 3.5 dl/g or more.

    Abstract translation: 聚烯烃组合物,其以重量百分比计包含:A)50-75%的聚合物(PP)和(ECI)共混物,其中(PP)选自:(i)丙烯均聚物; (ii)丙烯的共聚物; (iii)所述均聚物(i)和共聚物(ii)的组合; (EC1)是乙烯和丙烯或CH 2 =CHRα-烯烃的共聚物,其中R是2-8个碳的烷基,或乙烯,丙烯和所述的CH 2 = CHR的α-烯烃的共聚物 ),含有20至35%的乙烯; 和B)25-50%的乙烯和丙烯或CH 2 =CHRα-烯烃的共聚物(ECII),其中R是2-8个碳的烷基,或乙烯,丙烯和所述的CH2的共聚物 含有40至60%乙烯的CHRα-烯烃; 在该组合物中,相对于(A)的总重量,共聚物组分(ECI)的存在量为23-45%,在室温下可溶于二甲苯的级分XS的特性粘度[eegr.tot] (A)+(B)的总重量为3.5dl / g以上。

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