Olefin polymerization catalyst system producing polymer with low active
chloride
    1.
    发明授权
    Olefin polymerization catalyst system producing polymer with low active chloride 失效
    烯烃聚合催化剂体系生产低活性氯化物的聚合物

    公开(公告)号:US4567155A

    公开(公告)日:1986-01-28

    申请号:US653211

    申请日:1984-09-24

    IPC分类号: C08F4/64 C08F10/00

    CPC分类号: C08F10/00

    摘要: A catalyst system especially suited for polymerizing alpha-olefins in the gas-phase to polymers containing essentially no active chloride comprises (A) a titanium-containing component supported on a hydrocarbon-insoluble magnesium-containing compound in combination with an electron donor compound and (B) a co-catalyst comprising (a) at least one trialkylaluminum compound (b) an aromatic acid ester and (c) an unhindered secondary amine, optionally reacted with a dialkylaluminum hydride, in substantial absence of compounds containing an Al-Cl bond.

    摘要翻译: 特别适用于将气相中的α-烯烃聚合成基本上不含活性氯化物的聚合物的催化剂体系包括(A)负载在不溶于烃的化合物上的含钛组分与电子给体化合物的组合和( B)助催化剂,其包含(a)至少一种三烷基铝化合物(b)芳族酸酯和(c)基本上不含有Al-Cl键的化合物的任选与氢化二烷基铝反应的未受阻胺。

    Supported olefin polymerization catalyst
    2.
    发明授权
    Supported olefin polymerization catalyst 失效
    负载型烯烃聚合催化剂

    公开(公告)号:US4581342A

    公开(公告)日:1986-04-08

    申请号:US674996

    申请日:1984-11-26

    CPC分类号: C08F10/00

    摘要: A solid-hydrocarbon insoluble, alpha-olefin polymerization catalyst component with superior activity, stereospecificity and morphology characteristics, comprises the product formed by (a) complexing a magnesium alkyl composition with an ortho disubstituted hindered aromatic acid ester; (b) reacting the resulting complex with a compatible precipitation agent to form a solid component; and (c) reacting the resulting solid with a titanium(IV) compound and an electron donor compound in a suitable diluent.

    摘要翻译: 具有优异活性,立体定向性和形态特征的固体烃不溶性α-烯烃聚合催化剂组分包括通过(a)使烷基镁组合物与邻二取代的受阻芳族酸酯络合而形成的产物; (b)使所得的络合物与相容的沉淀剂反应以形成固体组分; 和(c)使所得固体与合适的稀释剂中的钛(IV)化合物和电子给体化合物反应。

    Olefin polymerization catalyst
    3.
    发明授权
    Olefin polymerization catalyst 失效
    烯烃聚合催化剂

    公开(公告)号:US4988656A

    公开(公告)日:1991-01-29

    申请号:US351408

    申请日:1989-05-12

    IPC分类号: C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: A solid hydrocarbon-insoluble, alpha-olefin polymerization catalyst component with superior activity, stereospecificity and morphology characteristics comprises the product formed by (A) forming a solution of a magnesium-containing species from a magnesium carbonte or a magnesium carboxylate; (B) precipitating solid particles from such magnesium-containing solution by treatment with a transition metal halide and an organosilane; (C) reprecipitating such solid particles from a mixture containing a cyclic ether; and (D) treating the reprecipitated particles with a transition metal compound and an electron donor.

    摘要翻译: 具有优异活性,立体定向性和形态特征的固体烃不溶性α-烯烃聚合催化剂组分包括通过(A)由镁碳酸镁或羧酸镁形成含镁物质的溶液形成的产物; (B)用过渡金属卤化物和有机硅烷处理从这种含镁溶液中沉淀固体颗粒; (C)从含有环醚的混合物中再沉淀这样的固体颗粒; 和(D)用过渡金属化合物和电子给体处理再沉淀的颗粒。

    Olefin polymerization catalyst
    5.
    发明授权
    Olefin polymerization catalyst 失效
    烯烃聚合催化剂

    公开(公告)号:US5013702A

    公开(公告)日:1991-05-07

    申请号:US434915

    申请日:1989-11-09

    IPC分类号: C08F4/656 C08F10/00

    CPC分类号: C08F10/00

    摘要: A solid hydrocarbon-insoluble, alpha-olefin polymerization catalyst component with superior activity, stereospecificity and morphology characteristics comprises the product formed by (A) forming a solution of a magnesium-containing species from a magnesium carbonate or a magnesium carboxylate; (B) precipitating solid particles from such magnesium-containing solution by treatment with a transition metal halide and an organosilane; (C) reprecipitating such solid particles from a mixture containing a cyclic ether; and (D) treating the reprecipitated particles with a transition metal compound and an electron donor.

    摘要翻译: 具有优异活性,立体定向性和形态特征的固体烃不溶性α-烯烃聚合催化剂组分包括由(A)形成镁酸盐或羧酸镁的含镁物质溶液形成的产物; (B)用过渡金属卤化物和有机硅烷处理从这种含镁溶液中沉淀固体颗粒; (C)从含有环醚的混合物中再沉淀这样的固体颗粒; 和(D)用过渡金属化合物和电子给体处理再沉淀的颗粒。

    Extrudable thermoplastic hydrocarbon polymer composition
    6.
    发明授权
    Extrudable thermoplastic hydrocarbon polymer composition 失效
    可挤压热塑性烃聚合物组合物

    公开(公告)号:US4983677A

    公开(公告)日:1991-01-08

    申请号:US381364

    申请日:1989-07-18

    摘要: An extrudable composition comprising hydrocarbon polymer, organophosphite or organophosphate compound and fluorocarbon polymer. The organophosphite or organophosphate and the fluorocarbon polymer are present in the composition in such relative proportions and concentrations as to reduce the occurrence of melt defects during the extrusion of said thermoplastic hydrocarbon polymer.

    摘要翻译: 包含烃聚合物,有机亚磷酸酯或有机磷酸酯化合物和氟碳聚合物的可挤出组合物。 有机亚磷酸酯或有机磷酸酯和氟碳聚合物以相对比例和浓度存在于组合物中,以减少在挤出所述热塑性烃聚合物期间熔融缺陷的发生。

    Mixed ester retreated propylene polymerization catalyst
    7.
    发明授权
    Mixed ester retreated propylene polymerization catalyst 失效
    混酯回缩丙烯聚合催化剂

    公开(公告)号:US4526882A

    公开(公告)日:1985-07-02

    申请号:US544544

    申请日:1983-10-24

    IPC分类号: C08F4/64 C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: A comminuted, supported polymerization catalyst for alpha-olefins comprises (A) an organoaluminum compound and (B) a solid titanium-containing component formed by at least one halogen-containing compound of titanium(IV); (b) at least one electron donor; and (c) at least one hydrocarbon-insoluble magnesium-containing compound; and (2) retreating such comminuted product with (a) at least one halogen-containing compound of titanium(IV); and (b) a mixture containing ethylbenzoate and a substituted alkyl aromatic acid ester in which the substituent group has a negative Hammett constant; and optionally, at least one chlorocarbon and/or at least one haloalkylchlorosilane.

    摘要翻译: 一种粉碎的负载型α-烯烃聚合催化剂包括(A)有机铝化合物和(B)由至少一种含钛的钛(IV)化合物形成的固体含钛组分; (b)至少一个电子给体; 和(c)至少一种不溶于烃的含镁化合物; 和(2)用(a)至少一种含卤素的钛(IV)化合物后处理该粉碎产品; 和(b)含有苯甲酸乙酯和取代烷基芳族酸酯的混合物,其中取代基具有负的哈米特常数; 和任选的至少一种氯化碳和/或至少一种卤代烷基氯硅烷。

    Retreating comminuted olefin polymerization catalyst with a titanium
(IV) compound, a chlorocarbon and an ester
    8.
    发明授权
    Retreating comminuted olefin polymerization catalyst with a titanium (IV) compound, a chlorocarbon and an ester 失效
    用钛(IV)化合物,氯碳化合物和酯取代粉碎的烯烃聚合催化剂

    公开(公告)号:US4431572A

    公开(公告)日:1984-02-14

    申请号:US378406

    申请日:1982-05-14

    IPC分类号: C08F4/64 C08F10/00

    CPC分类号: C08F10/00

    摘要: A comminuted, supported polymerization catalyst for alpha-olefins comprises (A) an organoaluminum compound and (B) a solid titanium-containing component formed by (1) comminuting a solid reaction product comprising (a) at least one halogen-containing compound of titanium (IV); (b) at least one electron donor; and (c) at least one hydrocarbon-insoluble magnesium-containing compound; and (2) retreating such comminuted product with (a) at least one halogen-containing compound of titanium (IV); (b) at least one chlorocarbon; and (c) at least one organic acid ester.

    摘要翻译: 粉碎的负载型α-烯烃聚合催化剂包括(A)有机铝化合物和(B)通过(1)粉碎固体反应产物形成的固体含钛组分,所述固体反应产物包含(a)至少一种含卤素的钛化合物 (四); (b)至少一个电子给体; 和(c)至少一种不溶于烃的含镁化合物; 和(2)用(a)至少一种含卤素的钛(IV)化合物后处理该粉碎产品; (b)至少一种氯化碳; 和(c)至少一种有机酸酯。

    Olefin polymerization catalyst
    9.
    发明授权
    Olefin polymerization catalyst 失效
    烯烃聚合催化剂

    公开(公告)号:US4866022A

    公开(公告)日:1989-09-12

    申请号:US186359

    申请日:1988-04-25

    IPC分类号: C08F4/64 C08F10/00

    CPC分类号: C08F10/00

    摘要: A solid hydrocarbon-insoluble, alpha-olefin polymerization catalyst component with superior activity, stereospecificity and morphology characteristics comprises the product formed by (A) forming a solution of a magnesium-containing species from a magnesium carbonate or a magnesium carboxylate; (B) precipitating solid particles from such magnesium-containing solution by treatment with a transition metal halide and an organosilane; (C) reprecipitating such solid particles from a mixture containing a cyclic ether; and (D) treating the reprecipitated particles with a transition metal compound and an electron donor.

    摘要翻译: 具有优异活性,立体定向性和形态特征的固体烃不溶性α-烯烃聚合催化剂组分包括由(A)形成镁酸盐或羧酸镁的含镁物质溶液形成的产物; (B)用过渡金属卤化物和有机硅烷处理从这种含镁溶液中沉淀固体颗粒; (C)从含有环醚的混合物中再沉淀这样的固体颗粒; 和(D)用过渡金属化合物和电子给体处理再沉淀的颗粒。