• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1) Components of catalysts suitable for the (co)polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution, obtained by reaction of a solid catalyst - forming component comprising a Ti compound having at least a Ti-halogen bond and optionally an electron donor compound supported on a Mg halide in active form, with a compound (AH) containing at least an active hydrogen atom, used in controlled amounts and made to react in a liquid medium not reactive towards the solid component and having a dielectric constant higher than 2, measured at 20 DEG C. 2) Catalysts comprising the product of reaction of a solid catalyst component as above described, with an Al-alkyl compound and an electron donor compound. 3) Process for the (co)polymerization of alpha-olefins to stereoregular polymers having a narrow molecular weight distribution in the presence of the above stated catalyst. c
    公开号:SU1614750A3
    申请号:SU874203738
    申请日:1987-11-09
    公开日:1990-12-15
    发明作者:Камилло Барбе Пьер；Албидзати Энрико；Джаннини Умберто；Барудзи Джованни；Нористи Лучиано
    申请人:Хаймонт Инкорпорейтед (Фирма)；
    IPC主号:
    专利说明:

    3
    the substance is dried in vacuum. The Ti content in the resulting product is 2.4%.
    4 g of the obtained solid catalytic component is suspended in 30 MP of 1,2-dichloroethane (DCE) and within 10 minutes to the suspension dropwise
    : 0.5 ml of n-butyl alcohol in 10 ml of DCE was added. The temperature was raised to 80 ° C and the reaction was continued for 2 hours. As a result, a suspension was obtained.
    I Conditions for the preparation of catalytic
    i component are summarized in table. 1. B, Polymerization of propylene. 0.5 ml of the suspension thus obtained was used in a propylene polymerization experiment.
    : A 2-liter stainless steel autoclave is introduced at 50 ° C slurry
    containing 3.5 mmol A1 (C ,.) and 0.175 mmol phenyltristoxysilane
    c, 25 ml of n-heptane, and 0.5 ml of the suspension prepared according to the method described | In paragraph A, in a propylene stream. Then the autoclave is closed, an excess pressure is created in O, t atm H, injected I d t 400. g of propylene and raise the temperature to 70 ° C. The polymerization was carried out for 2 hours, then the residual monomer was removed and the polymer was isolated. The results of the polymerization experiments are presented in Table. 2. I Example 2. Repeat example
    using in the preparation of the compound. | under paragraph A, a greater amount of n-butyl alcohol. The amount of reagents used and the results of polymerization experiments are presented in Tables 1 and 2.
    Examples 3-t3. Example 1 is repeated, but the reaction medium and organic compound (AH) are changed in preparation A (Table 1),
    The results of the polymerization experiments are presented in table. one.
    Example T4 (comparative).
    Example 1 is repeated, but n-hexane is used as the reaction medium in preparation A.
    The results of the experiments, the polymerization are presented in table. 2,
    Example 15 (comparative).
    Example 1 is repeated, but using a solid catalytic component obtained without treatment with butyl alcohol in DCEO
    As follows from the given data, the proposed technical solution ensures the achievement of a narrow distribution
    1614750Д
    laziness of molecular weight (Mcg / M - 3.6-3.9), i.e. It allows to obtain polymers having improved physicomechanical properties (bending stiffness, impact strength and resistance to thermal deformation).
    ten
    15
    20
    25
    ,
    35
    thirty
    40
    45
    0
    five
    权利要求:
    Claims (3)
    [1]
    1. A method for preparing a solid catalytic component for polymerizing propylene into a stereoregular polymer by contacting anhydrous magnesium halide in active form with titanium tetrachloride, followed by filtering, washing and drying the resulting solid titanium component, characterized in that, in order to obtain a catalytic component, providing polypropylene with a narrow molecular weight distribution, the obtained titanium component is additionally treated with organic compound containing at least one active hydrogen atom, taken in a molar ratio of magnesium to organic compound 5-20, in a liquid chlorohydrocarbon medium, inert to the solid component and having a dielectric constant at 20 s, 5.7-10 6.
    [2]
    2. The method according to claim 1, characterized in that an organic compound selected from the group comprising n-butyl alcohol, ethanol, 2,6-di-t-butyl-p-cresol, ethylene glycol is used
    [3]
    3. A method for preparing a catalyst for the polymerization of propylene to a stereo-regular polymer by contacting anhydrous magnesium halide in active form with titanium tetrachloride, filtering, washing, drying the obtained solid titanium component, followed by reacting
    it with organo-aluminum and electron-donor compounds, characterized in that, in order to obtain a catalyst that provides polypropylene with a narrow molecular weight distribution, the solid titanium component is subjected to additional treatment with an organic compound containing at least one active hydrogen atom, taken in molar terms magnesium
    to organic compound 5-20 in
    liquid hydrocarbon medium, inert with respect to the solid component and having a dielectric constant at 5,7-tO, 6, as
    Obtaining a catalytic component (I)
    Ponenta (I)
    organoaluminum compound uses triethylaluminum, and as non-electron donor compound,. use phenyltriethoxysilane.
    Table 1
    BHT - 2,6-ditretbutyl-p-cresol
    table 2
    1614750
    Ijol. isotactic index corresponding to the amount (%) of the polymer soluble in boiling n-heptane.
    eight
    Continuation of taOl 2
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    同族专利:
    公开号 | 公开日
    AT76650T|1992-06-15|
    CA1315270C|1993-03-30|
    NO170636B|1992-08-03|
    NO170636C|1992-11-11|
    IT8622262D0|1986-11-10|
    IN168253B|1991-03-02|
    IT1199833B|1989-01-05|
    NO874655D0|1987-11-09|
    EP0267576A3|1990-10-17|
    MX9191A|1994-01-31|
    BR8705941A|1988-06-14|
    JPS63199207A|1988-08-17|
    FI874870A|1988-05-11|
    EP0267576A2|1988-05-18|
    EP0267576B1|1992-05-27|
    FI874870A0|1987-11-04|
    CS275395B2|1992-02-19|
    DE3779400D1|1992-07-02|
    KR950008510B1|1995-07-31|
    CN87107751A|1988-06-22|
    JPH0714976B2|1995-02-22|
    ES2032803T3|1993-03-01|
    AU614501B2|1991-09-05|
    CS805587A2|1990-10-12|
    NO874655L|1988-05-11|
    ZA878284B|1988-04-29|
    AU8083987A|1988-05-12|
    US4980329A|1990-12-25|
    KR880006273A|1988-07-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US6521560B1|1995-05-18|2003-02-18|Mitsui Chemicals Inc.|Solid titanium catalyst component, process for preparing same, olefin polymerization catalyst containing same, and olefin polymerization process|US3135809A|1960-07-21|1964-06-02|Southern Res Inst|Isomerization process|
    US3859231A|1972-10-13|1975-01-07|Gulf Research Development Co|Simplified process for manufacture of catalyst component|
    IT1068112B|1976-08-09|1985-03-21|Montedison Spa|COMPONENTS OF CATALYSTS FOR THE POLYMERIZATION OF ALPHA OLEFINS AND CATALYSTS FROM THEM OBTAINED|
    IT1114822B|1977-07-04|1986-01-27|Montedison Spa|COMPONENTS OF CATALYSTS FOR THE POLYMERIZATION OF ALPHA-OLEFINS|
    JPS6312881B2|1978-02-14|1988-03-23|Showa Denko Kk|
    IT1099416B|1978-10-23|1985-09-18|Montedison Spa|COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS|
    IT1141295B|1980-04-22|1986-10-01|Montedison Spa|COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF ALPHAOLS|
    IT1209255B|1980-08-13|1989-07-16|Montedison Spa|CATALYSTS FOR THE POLYMERIZATION OF OLEFINE.|
    IT1190681B|1982-02-12|1988-02-24|Montedison Spa|COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINE|
    IT1195953B|1982-09-10|1988-11-03|Montedison Spa|COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINE|
    JPH0339093B2|1982-10-25|1991-06-12|Mitsui Petrochemical Ind|IT1221654B|1987-11-27|1990-07-12|Ausimont Spa|CATALYSTS FOR THE POLYMERIZATION OF OLEFINS|
    FR2629461B1|1988-03-31|1993-05-07|Bp Chimie Sa|PROPYLENEPOLYMERIZATION CATALYST, SUPPORTED ON SPHERICAL PARTICLES OF MAGNESIUM CHLORIDE AND COATED WITH POLYPROPYLENE, AND METHODS OF PREPARATION|
    ES2052004T5†|1988-06-17|2002-05-16|Mitsui Chemicals Inc|POLYOLEFINE PREPARATION PROCEDURE AND POLYMERIZATION CATALYST.|
    US5221651A|1989-04-28|1993-06-22|Himont Incorporated|Component and catalysts for the polymerization of olefins|
    CA2040598A1|1990-04-20|1991-10-21|Masatoshi Toda|Process for producing polyolefins|
    FI90083C|1990-12-20|1993-12-27|Neste Oy|FOER OLEFINPOLYMERISATION AVSETT STEREOSPECIFIKT KATALYSATORSYSTEM|
    FR2728181B1|1994-12-16|1997-01-31|Appryl Snc|CATALYTIC COMPONENT FOR POLYMERIZATION OF OLEFINS, MANUFACTURING METHOD THEREOF, AND METHOD FOR POLYMERIZATION OF OLEFINS IN THE PRESENCE OF SAID CATALYTIC COMPONENT|
    JPH1112316A|1997-06-26|1999-01-19|Toho Titanium Co Ltd|Solid catalyst component and catalyst for polymerizing olefins|
    TW539690B|1997-08-11|2003-07-01|Mitsui Chemicals Inc|Process for preparing solid titanium catalyst component, olefin polymerization catalyst, and olefin polymerization process|
    JP4440355B2|1998-03-25|2010-03-24|住友化学株式会社|Modified particle, carrier comprising the same, catalyst component for olefin polymerization comprising the same, catalyst for olefin polymerization comprising the same, and method for producing olefin polymer|
    JP2000009964A|1998-06-23|2000-01-14|Yazaki Corp|Optical connector|
    KR100620887B1|2004-07-01|2006-09-19|삼성토탈 주식회사|Method of polymerization of olefin and olefin/?-olefin using aryloxy-based olefin-copolymerization catalyst|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    IT22262/86A|IT1199833B|1986-11-10|1986-11-10|CATALYSTS FOR THE PREPARATION OF ALPHA-OLEPHINE POLYMERS IN CLOSE DISTRIBUTION OF MOLECULAR WEIGHTS|
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