PROCESS FOR THE PREPARATION OF POROUS ETHYLENE POLYMERS AND POROUS POLYMER OBTAINABLE THEREOF
    71.
    发明申请
    PROCESS FOR THE PREPARATION OF POROUS ETHYLENE POLYMERS AND POROUS POLYMER OBTAINABLE THEREOF 审中-公开
    制备多孔乙烯聚合物和可获得的多孔聚合物的方法

    公开(公告)号:WO2005030817A1

    公开(公告)日:2005-04-07

    申请号:PCT/EP2004/010327

    申请日:2004-09-14

    Abstract: The invention relates to a process for the preparation of porous ethylene polymers and to a specific group of ethylene polymers therefrom obtained. In particular, the present invention relates to a process for the preparation of ethylene (co)polymers characterized by: prepolymerizing propylene in the presence of a Mg, Ti, and halogen containing solid catalyst component having a porosity, higher than 0.25 cc/g up to producing from 0. 1 to 15 g of propylene pre-polymer per g of catalyst component; and polymerizing ethylene in the presence of the propylene pre-polymer obtained in step (i) up to an amount of ethylene polymer ranging from 10g to 2.5 kg per g of propylene prepolymer.

    Abstract translation: 本发明涉及一种制备多孔乙烯聚合物的方法及其获得的一组特定的乙烯聚合物。 特别地,本发明涉及一种制备乙烯(共)聚合物的方法,其特征在于:在具有高于0.25cc / g孔隙率的Mg,Ti和含卤素固体催化剂组分的存在下预聚丙烯 以每克催化剂组分产生0.1-15克丙烯预聚物; 和在步骤(i)中获得的丙烯预聚物存在下使乙烯聚合,直到一定量的每克丙烯预聚物为10g至2.5kg的乙烯聚合物。

    OLEFIN POLYMERS WITH STABILISERS AND POLYOLEFIN FIBRES PRODUCED THEREFROM
    72.
    发明申请
    OLEFIN POLYMERS WITH STABILISERS AND POLYOLEFIN FIBRES PRODUCED THEREFROM 审中-公开
    具有稳定剂的OLEFIN聚合物和生产的聚烯烃纤维

    公开(公告)号:WO2004111120A1

    公开(公告)日:2004-12-23

    申请号:PCT/EP2004/006542

    申请日:2004-06-16

    Abstract: An olefin polymer composition comprising (ppm with respect to the polymer): a lactone of the furan-2-one type, a phenol in amounts of 50 to 200 ppm, a sterically hindered amine in amounts of 50 to 300 ppm, and an organic phosphite and/or organic phosphonite in amounts of 50 to less than 280 ppm. The polymer composition contains the unsubstituted furan-2-one moiety in amounts ranging from 11 to 49 ppm with respect to the polymer. Staple fibres with high tenacity and elongation at break and non-woven fabrics are prepared from such an olefin polymer composition.

    Abstract translation: 包含(相对于聚合物为ppm)的烯烃聚合物组合物:呋喃-2-酮型的内酯,50-200ppm的苯酚,50-300ppm的空间位阻胺和有机物 亚磷酸盐和/或有机亚膦酸盐,其量为50至小于280ppm。 聚合物组合物含有相对于聚合物的11至49ppm范围内的未取代的呋喃-2-酮部分。 由这种烯烃聚合物组合物制备具有高强度和断裂伸长率的无纺织物的无纺织物。

    GAS-PHASE OLEFIN POLYMERIZATION PROCESS
    73.
    发明申请
    GAS-PHASE OLEFIN POLYMERIZATION PROCESS 审中-公开
    气相烯烃聚合方法

    公开(公告)号:WO2004092228A1

    公开(公告)日:2004-10-28

    申请号:PCT/EP2004/003638

    申请日:2004-04-01

    Abstract: A continuous process for the olefin polymerization in a fluidized bed reactor, said process comprising continuously passing a gaseous stream comprising one or more α-olefin monomers through the fluidized bed in the presence of a polymerization catalyst under reactive conditions, withdrawing polymeric product and unreacted fluids from the reactor, cooling part of said unreacted fluids below the dew point to form a two-phase mixture of gas and condensed liquid and reintroducing said two-phase mixture into the reactor, the process being characterized in that said two­phase mixture is reintroduced under the distribution plate of the reactor so that a part of condensed liquid is separated from the gas and is successively fed above the fluidized bed through an external pipe connecting the bottom of the reactor to a point situated above the upper limit of the fluidized bed of polymer particles.

    Abstract translation: 在流化床反应器中烯烃聚合的连续方法,所述方法包括在反应条件下,在聚合催化剂存在下连续地通过包含一种或多种α-烯烃单体的气流通过流化床,萃取聚合物和未反应的流体 将来自反应器的所述未反应流体的一部分冷却至低于露点以形成气体和冷凝液体的两相混合物,并将所述两相混合物重新引入反应器,其特征在于将所述两相混合物重新引入到 分配板,使得一部分冷凝液体与气体分离,并通过将反应器底部连接到位于聚合物颗粒流化床上限之上的点连续地供入到流化床上方 。

    IMPACT RESISTANT POLYOLEFIN COMPOSITIONS
    74.
    发明申请
    IMPACT RESISTANT POLYOLEFIN COMPOSITIONS 审中-公开
    耐冲击聚烯烃组合物

    公开(公告)号:WO2004087807A1

    公开(公告)日:2004-10-14

    申请号:PCT/EP2004/003307

    申请日:2004-03-29

    Abstract: Olefin polymer composition comprising (by weight, unless otherwise specified): A) 60 - 95% of a propylene homopolymer or copoloymer having a Polydispersity Index (P.I.) value of from 4.6 to 10 and a content of isotactic pentads (mmmm), measured by 13C NMR on the fraction insoluble in xylene at 25 °C, higher than 98 molar; B) 5 - 40% of a copolymer of ethylene containing from 40% to 70% of propylene or C 4 -C 10 α-olefins) or of combinations thereof, and optionally minor proportions of a diene; said composition having a Temperature Rising Elution Fractionation (TREF) profile, obtained by fractionation in xylene and collection of fractions at temperatures of 40 °C, 80°C and 90 °C, in which the ethylene content Y of the fraction collected at 90 °C satisfies the following relation (I): Y≤ -0.8 + 0.035X + 0.0091X 2 wherein X is the ethylene content of the fraction collected at 40 °C and both X and Y are expressed in percent by weight, and a value of intrinsic viscosity [η] of the fraction soluble in xylene at 25 °C of from 1.8 to 4.2 dl/g.

    Abstract translation: 烯烃聚合物组合物包含(按重量计,除非另有说明):A)60-95%的多分散指数(PI)值为4.6至10的丙烯均聚物或共聚合物和全同立构五单元组的含量(mmmm),通过 对25℃不溶于二甲苯的级分,高于98摩尔的13C NMR; B)5-40%的含有40%至70%的丙烯或C 4 -C 10α-烯烃的乙烯的共聚物或其组合,以及任选的较小比例的二烯; 所述组合物具有通过在二甲苯中分馏并在40℃,80℃和90℃的温度下收集级分获得的升温洗脱分馏(TREF)分布,其中在90°收集的级分的乙烯含量Y C满足以下关系式(I):Y <= -0.8 + 0.035X + 0.0091X2其中X是在40℃下收集的馏分的乙烯含量,X和Y都以重量%表示, 在25℃下可溶于二甲苯的馏分的特性粘度η为1.8至4.2dl / g。

    COMPATIBILIZING AGENT FOR ENGINEERING THERMOPLASTIC/POLYOLEFIN BLEND
    76.
    发明申请
    COMPATIBILIZING AGENT FOR ENGINEERING THERMOPLASTIC/POLYOLEFIN BLEND 审中-公开
    用于工程热塑性/聚烯烃共混物的兼容剂

    公开(公告)号:WO2004048466A1

    公开(公告)日:2004-06-10

    申请号:PCT/IB2003/005464

    申请日:2003-11-25

    Abstract: A compatible blend of an engineering thermoplastic such as a polyamide and an olefin . polymer material is prepared by (1) making an oxidized olefin polymer material containing carboxylic acid groups or derivatives thereof, (2) extruding a mixture of (a) the oxidized olefin polymer material from step (1), (b) an engineering thermoplastic, (c) optionally, an inorganic base, and (d) optionally, a non-oxidized olefin polymer material, and (3) recovering a blend of the engineering thermoplastic, the oxidized olefin polymer material or an ionomer thereof, which acts as a compatibilizer, and, optionally, the non-oxidized olefin polymer material. The oxidized olefin polymer material can be made by treating the olefin polymer material with an organic peroxide initiator while adding a controlled amount of oxygen.

    Abstract translation: 通过(1)制备含有羧酸基团或其衍生物的氧化烯烃聚合物材料制备工程热塑性塑料如聚酰胺和烯烃聚合物材料的相容共混物,(2)挤出(a)氧化烯烃 来自步骤(1)的聚合物材料,(b)工程热塑性材料,(c)任选的无机碱,和(d)任选的非氧化烯烃聚合物材料,和(3)回收工程热塑性塑料, 用作增容剂的氧化烯烃聚合物材料或其离聚物,和任选的非氧化烯烃聚合物材料。 氧化烯烃聚合物材料可以通过用有机过氧化物引发剂处理烯烃聚合物材料,同时加入受控量的氧气来制备。

    POLYPROPYLENE FIBRES SUITABLE FOR SPUNBONDED NON-WOVEN FABRICS
    78.
    发明申请
    POLYPROPYLENE FIBRES SUITABLE FOR SPUNBONDED NON-WOVEN FABRICS 审中-公开
    适用于纺织非织造布的聚丙烯纤维

    公开(公告)号:WO2004029342A1

    公开(公告)日:2004-04-08

    申请号:PCT/EP2003/010707

    申请日:2003-09-23

    Abstract: A fibre for spunbonded fabrics comprising a propylene polymer composition (A) having an MFR (1) value from 6 to 150 g/10 min and being selected from (i) a crystalline propylene random copolymer or crystalline propylene polymer composition containing at least 0.8% by weight of ethylene and having a melting temperature of 153° C or higher, a content of fraction soluble in xylene at room temperature lower than 10% by weight, and a value of the ratio of the polymer fraction collected at the temperature range from 25° to 95° C to the xylene soluble fraction at room temperature higher than 4; and (ii) a crystalline propylene polymer composition having a melting temperature of 153° C or higher, a content of fraction soluble in xylene at room temperature lower than 10% by weight; the said composition containing at least 0.64 wt% of ethylene or a C 4 -C 10 a-olefin recurring unit and comprising: (1) 20-80 wt% of a crystalline propylene polymer containing up to 1.5 wt% of ethylene and/or C 4 -C 10 a-olefin; and (II) 20-80 wt% of a crystalline propylene random copolymer selected from (IIa) a copolymer of propylene with 0.8 to 10 wt% of ethylene and/or (IIb) a copolymer of propylene with 1.5 to 18 wt% of a C4-CIO a-olefin. Said polymer composition (A) is obtainable by way of chemical degradation of a precursor polymer composition (A) having MFR values (MFR (2)) of from 0.5 to 50 g/10 min, provided that the ratio of MFR (1) to MFR (2) be from 1.5 to 60. Propylene polymer composition (ii) as described above and non-woven fabrics that are prepared with the said fibres. The said fabric is useful for coverstock and diapers.

    Abstract translation: 一种用于纺粘织物的纤维,其包含MFR(1)值为6至150g / 10min的丙烯聚合物组合物(A),并且选自(i)结晶丙烯无规共聚物或结晶丙烯聚合物组合物,其含有至少0.8% 的乙烯,其熔融温度为153℃以上,室温下可溶于二甲苯的馏分的含量低于10重量%,在25℃以下的聚合物馏分的比例值 在95℃以上的二甲苯可溶级分在室温高于4℃; 和(ii)熔融温度为153℃以上的结晶丙烯聚合物组合物,室温下可溶于二甲苯的馏分的含量低于10重量% 所述组合物含有至少0.64重量%的乙烯或C 4 -C 10α-烯烃重复单元,并包含:(1)20-80重量%的结晶丙烯聚合物,其含有至多1.5重量%的乙烯和/或C4- C10α-烯烃; 和(II)20-80重量%的结晶丙烯无规共聚物,其选自(IIa)丙烯与0.8至10重量%乙烯的共聚物和/或(IIb)丙烯与1.5至18重量%的共聚物 C 4 -C 10α-烯烃。 所述聚合物组合物(A)可以通过MFR(MFR(2))为0.5-50g / 10min的前体聚合物组合物(A)的化学降解获得,条件是MFR(1)与 MFR(2)为1.5至60.如上所述的丙烯聚合物组合物(ii)和用所述纤维制备的无纺织物。 所述织物可用于覆盖物和尿布。

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