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    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS
    631.
    发明申请
    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS 审中-公开
    油相的气相聚合方法

    公开(公告)号：WO2011029735A1

    公开(公告)日：2011-03-17

    申请号：PCT/EP2010/062574

    申请日：2010-08-27

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  MAZZUCCO, Antonio ,  CAPUTO, Tiziana ,  RINALDI, Riccardo

    Inventor： MAZZUCCO, Antonio ,  CAPUTO, Tiziana ,  RINALDI, Riccardo

    IPC: C08F10/00

    CPC classification number: C08F210/06 ,  C08F110/06 ,  C08F2/005 ,  C08F2/34 ,  C08F2/001 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/24 ,  C08F210/16

    Abstract: A process for the gas-phase polymerization of one or more alpha-olefms in the presence of a polymerization catalyst, the process comprising: - at least a polymerization step wherein the polymer particles flow downward in densified form under the action of gravity so as to form a densified polymer bed; - metering an anti-fouling agent in said polymerization step by means of at least N feeding lines placed at different heights of said densified polymer bed, N being the integer number satisfying the equation N> (1+0.08 % H), where H is the height (expressed in meters) of the polymer bed.

    Abstract translation: 一种在聚合催化剂存在下一种或多种α-烯烃的气相聚合的方法，该方法包括：至少聚合步骤，其中聚合物颗粒在重力作用下以致密化形式向下流动，以便 形成致密聚合物床; - 在所述聚合步骤中通过至少放置在所述致密化聚合物床的不同高度的N条进料管线计量防污剂，N为满足方程式N>（1 + 0.08％H）的整数，其中H为 聚合物床的高度（以米计）。

    PROCESS FOR THE PREPARATION OF POLYMER OF 1-BUTENE
    633.
    发明申请
    PROCESS FOR THE PREPARATION OF POLYMER OF 1-BUTENE 审中-公开
    制备1-BOTENE聚合物的方法

    公开(公告)号：WO2010118962A1

    公开(公告)日：2010-10-21

    申请号：PCT/EP2010/054356

    申请日：2010-03-31

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  VITALE, Gianni ,  PIEMONTESI, Fabrizio ,  MINGOZZI, Ines ,  CAMURATI, Isabella, Maria, Vittoria ,  PELLEGATTI, Giampaolo

    Inventor： VITALE, Gianni ,  PIEMONTESI, Fabrizio ,  MINGOZZI, Ines ,  CAMURATI, Isabella, Maria, Vittoria ,  PELLEGATTI, Giampaolo

    IPC: C08F10/08 ,  C08F4/649 ,  C08F4/654

    CPC classification number: C08F10/08 ,  C08F110/08 ,  C08F210/08 ,  C08F4/6494 ,  C08F2500/03 ,  C08F2500/15 ,  C08F2500/17 ,  C08F210/06 ,  C08F210/16

    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 CH 2 =CHZ wherein Z is a C 3 -C 20 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 MgCl 2 (b) an alkylaluminum co catalyst; and (c) a compound of formula (I) as external donor Wherein: R 1 , R 2 , R 3 and R 4 , equal to or different from each other, are hydrogen atoms or C 1 -C 20 hydrocarbon radicals optionally containing heteroatoms belonging to groups 13-17 of the Periodic Table of the Elements; or two R 1 , R 2 , R 3 and R 4 can be joined to form a C 5 -C 20 , saturated or unsaturated ring.

    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CH 2 = CHZ的乙烯，丙烯或α-烯烃，其中Z为C 3 -C 20烷基，其包括使1- 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上的内部电子给体化合物（b）烷基铝助催化剂 ; 和（c）作为外部给体的式（I）化合物，其中R1，R2，R3和R4彼此相同或不同，是氢原子或任选含有属于第13-17族的杂原子的C 1 -C 20烃基 的元素周期表; 或两个R 1，R 2，R 3和R 4可以连接形成C 5 -C 20饱和或不饱和环。

    STEAMING OF A POLYOLEFIN
    634.
    发明申请
    STEAMING OF A POLYOLEFIN 审中-公开
    多晶硅的蒸汽

    公开(公告)号：WO2010076285A1

    公开(公告)日：2010-07-08

    申请号：PCT/EP2009/067884

    申请日：2009-12-23

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  BALLARINI, Giorgio ,  MILEO, Antonio ,  SOFFRITTI, Luca (DECEASED)

    Inventor： BALLARINI, Giorgio ,  MILEO, Antonio ,  SOFFRITTI, Luca (DECEASED)

    IPC: C08F6/00 ,  C08F6/02 ,  C08F10/00

    CPC classification number: C08F6/005 ,  C08F6/02 ,  C08L23/00

    Abstract: A method for treating polymer particles with steam in a steaming vessel downstream a polymerization process, the method comprising contacting polymer particles with a counter-current flow of steam, wherein the flow rate of steam entering said steaming vessel is continuously maintained proportional to the production rate of said polymer in said polymerization process and to the gradient between the temperature (T out ) of the polymer exiting said steaming vessel and the temperature (T in ) of the polymer entering said steaming vessel.

    Abstract translation: 一种在聚合过程下游的蒸汽容器中用蒸汽处理聚合物颗粒的方法，所述方法包括使聚合物颗粒与逆流蒸汽接触，其中进入所述蒸汽容器的蒸汽的流速与生产率成正比 在所述聚合方法中的所述聚合物和离开所述蒸汽容器的聚合物的温度（Tout）与进入所述蒸汽容器的聚合物的温度（Tin）之间的梯度。

    Polyolefin Fibres
    636.
    发明申请
    Polyolefin Fibres 审中-公开
    聚烯烃纤维

    公开(公告)号：WO2010069775A1

    公开(公告)日：2010-06-24

    申请号：PCT/EP2009/066278

    申请日：2009-12-03

    Applicant: Basell Poliolefine Italia S.r.l. ,  DI PIETRO, Fabio ,  DE PALO, Roberto

    Inventor： DI PIETRO, Fabio ,  DE PALO, Roberto

    IPC: C08L23/10 ,  C08L23/20 ,  D01F6/46

    CPC classification number: C08L23/12 ,  C08L23/10 ,  C08L23/20 ,  C08L2205/02 ,  D01F6/46 ,  Y10T442/60 ,  C08L2666/06

    Abstract: A polyolefin composition comprising: A) 20-95 wt% of a propylene homo-polymer or a crystalline co-polymer of propylene with ethylene and/or an alpha -olefin having 4-10 carbon atoms, containing 85wt% or more of propylene, having an isotactic index equal to or higher than 80; B) 5-80 wt% of a copolymer of butene-1 with ethylene and/or an alpha -olefin having 3-10 carbon atoms having: - a content of butene-1 derived units of 80wt% wt or more, - molecular weight distribution Mw/Mn of less than 3. - flexural modulus of 60 MPa or less. Fibres and spun bond (woven non woven), disposable sanitary items (e.g. diapers) thereof.

    Abstract translation: 一种聚烯烃组合物，其包含：A）20-95重量％的丙烯均聚物或丙烯与乙烯和/或具有4-10个碳原子的α-烯烃的结晶共聚物，其含有85重量％或更多的丙烯， 具有等于​​或高于80的全同立构指数; B）5-80重量％的丁烯-1与乙烯和/或具有3-10个碳原子的α-烯烃的共聚物具有： - 丁烯-1衍生单元的含量为80重量％以上， - 分子量 分布Mw / Mn小于3.-挠曲模量为60MPa以下。 纤维和纺粘（无纺布），一次性卫生用品（例如尿布）。

    FOAMED POLYOLEFIN COMPOSITION
    637.
    发明申请
    FOAMED POLYOLEFIN COMPOSITION 审中-公开
    泡沫聚烯烃组合物

    公开(公告)号：WO2010069687A1

    公开(公告)日：2010-06-24

    申请号：PCT/EP2009/065195

    申请日：2009-11-16

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  LUNGHI, Luca ,  MEDRI, Alessandro

    Inventor： LUNGHI, Luca ,  MEDRI, Alessandro

    IPC: C08J9/00

    CPC classification number: C08J9/0061 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2323/10 ,  C08J2423/00

    Abstract: A foamed polyolefin composition comprising (all percent amounts being by weight): A)50%-90% of a polypropylene component; and B)10%-50% of a copolymer component of ethylene and at least one C 3 -C 10 α-olefin, the copolymer containing from 15% to 50% of ethylene, and optionally minor amounts of a diene; the said amounts of (A) and (B) being referred to the total weight of (A) and (B); said composition having at least one of the following features i) and ii), or both: i)a Polydispersity Index of component (A) of 4 or more; ii)a value of viscosity [η] of the fraction soluble in xylene at room temperature equal to or higher than 3.5 dl/g.

    Abstract translation: 包含（全部重量百分比）的发泡聚烯烃组合物：A）50％-90％的聚丙烯组分; 和B）10％-50％的乙烯和至少一种C 3 -C 10α-烯烃的共聚物组分，所述共聚物含有15％至50％的乙烯和任选少量的二烯; （A）和（B）的量称为（A）和（B）的总重量; 所述组合物具有以下特征i）和ii）或两者中的至少一个：i）组分（A）的多分散指数为4以上; ii）在室温下可溶于二甲苯的馏分的粘度[η]值等于或高于3.5dl / g。

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