Modified polyolefin particles and process for preparation thereof
    71.
    发明授权
    Modified polyolefin particles and process for preparation thereof 失效
    改性聚烯烃颗粒及其制备方法

    公开(公告)号:US5523358A

    公开(公告)日:1996-06-04

    申请号:US235419

    申请日:1994-04-22

    CPC分类号: C08F255/00

    摘要: A process for preparation of modified polyolefin particles which comprises contacting and reacting(A) 100 wt. parts of polyolefin particles with(B) 0.01 to 50 wt. parts of at least one ethylenic unsaturated compound selected from the group consisting of carboxyl group-containing ethylenic unsaturated compounds or their carboxylic anhydrides or their carboxylic acid derivatives, hydroxyl group-containing ethylenic unsaturated compounds, amino-group-containing ethylenic unsaturated compounds, and glycidyl group-containing ethylenic unsaturated compounds,in the presence of(C) more than 10 wt. parts to not more than 50 wt. parts of a medium of a liquid state at ordinary temperature whose solubility in water at 20.degree. C. is 0.5 wt. % or less and which is capable of swelling the polyolefin, and(D) 0.01 to 10 wt. parts of a radical initiator; andmodified polyolefin particles prepared by the aforesaid process.

    摘要翻译: 一种制备改性聚烯烃颗粒的方法,其包括使(A)100重量% (B)0.01〜50wt。 至少一种选自含羧基的烯属不饱和化合物或其羧酸酐或其羧酸衍生物,含羟基的烯属不饱和化合物,含氨基的烯属不饱和化合物和缩水甘油基中的至少一种烯属不饱和化合物 在(C)大于10重量%存在下,含有基团的烯属不饱和化合物。 部分至不超过50wt。 常温下液态介质的一部分在20℃下在水中的溶解度为0.5wt。 %以下,能够使聚烯烃溶胀,(D)0.01〜10重量% 部分自由基引发剂; 和通过上述方法制备的改性聚烯烃颗粒。

    Process for polymerizing olefins and polymerization catalyst therefor
    72.
    发明授权
    Process for polymerizing olefins and polymerization catalyst therefor 失效
    烯烃聚合方法和聚合催化剂

    公开(公告)号:US5438110A

    公开(公告)日:1995-08-01

    申请号:US328568

    申请日:1994-10-24

    摘要: An olefin polymerization catalyst formed from (A) a solid titanium catalyst component containing magnesium, titanium and halogen as essential ingredients, (B) an organoaluminum compound, and (C) an organosilicon compound containing a cyclopentyl group, a cyclopentenyl group, a cyclopentadienyl group or a derivative derived from any of these groups.A polymerization process which comprises polymerizing or copolymerizing olefins in the presence of the olefin polymerization catalyst to form a homopolyolefin having high stereoregularity or a copolyolefin having a narrow composition distribution.

    摘要翻译: 由(A)含有镁,钛和卤素作为必要成分的固体钛催化剂组分形成的烯烃聚合催化剂,(B)有机铝化合物和(C)含有环戊基,环戊烯基,环戊二烯基的有机硅化合物 或衍生自任何这些组的衍生物。 一种聚合方法,其包括在烯烃聚合催化剂存在下聚合或共聚烯烃以形成具有高立构规整性的均聚烯烃或具有窄组成分布的共聚烯烃。

    Titanium catalyst components, process for preparing same, catalysts
containing same for preparing ethylene polymers and process for
preparing said ethylene polymers
    73.
    发明授权
    Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers 失效
    钛催化剂组分,其制备方法,含有制备乙烯聚合物的催化剂和制备所述乙烯聚合物的方法

    公开(公告)号:US5192731A

    公开(公告)日:1993-03-09

    申请号:US781667

    申请日:1991-10-23

    IPC分类号: C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: In accordance with the present invention, there are provided carrier-supported titanium catalyst components containing magnesium, aluminum, halogen and titanium as essential ingredients, which are obtained by a reaction of[I] a magnesium containing support obtained by previously bringing a support into contact with an organometallic compound of a metal of the Group II to IIIA of the periodic table having at least one hydrocarbon group attached directly to the metal atom or with a halogen containing compound, followed by contact with a magnesium compound in the liquid state having no reducing ability,[II] a reducing organometallic compound, and[III] a titanium compound in the liquid state, and processes for preparing the same and, at the same time, catalysts containing the above-mentioned catalyst components for use in preparing ethylene polymer and processes for preparing ethylene polymer using the catalyst for use in preparing ethylene polymer.

    摘要翻译: 根据本发明,提供了含有镁,铝,卤素和钛作为必需成分的载体负载的钛催化剂组分,其通过[I]预先将载体接触获得的含镁载体与接触 与元素周期表第II至IIIA族金属的有机金属化合物具有至少一个直接连接到金属原子上的烃基或含卤素化合物,然后与不具有还原性的液态的镁化合物接触 能力,[II]还原性有机金属化合物和[III]液态钛化合物及其制备方法,同时使用含有上述用于制备乙烯聚合物的催化剂组分的催化剂和 使用用于制备乙烯聚合物的催化剂制备乙烯聚合物的方法。

    Solid catalyst components for olefin polymerization and processes for
the polymerization of olefin using same
    75.
    发明授权
    Solid catalyst components for olefin polymerization and processes for the polymerization of olefin using same 失效
    用于烯烃聚合的固体催化剂组分和使用其合成烯烃的方法

    公开(公告)号:US5153158A

    公开(公告)日:1992-10-06

    申请号:US634737

    申请日:1990-12-27

    CPC分类号: C08F10/00

    摘要: The present invention relates to solid catalyst components for olefin polymerization formed by prepolymerizing at least two types of .alpha.-olefin on an olefin polymerization catalyst comprising a solid titanium catalyst component, an organometallic compound catalyst component, and if necessary, an electron donor, to olefin polymerization catalyst comprising said solid catalyst component for olefin polymerization, an organometallic compound catalyst component, and if necessary, an electron donor, and to processes for olefin polymerization using said olefin polymerization catalyst.According to the present invention, there can be manufactured olefin polymer particles having low adhesive among the polymer particles as well as good particle distribution and excellent granular properties even when they contain a large amount of an amorphous olefin polymer portion.

    Process for polymerization of olefins and polymerization catalyst
    76.
    发明授权
    Process for polymerization of olefins and polymerization catalyst 失效
    烯烃和聚合催化剂聚合方法

    公开(公告)号:US5028671A

    公开(公告)日:1991-07-02

    申请号:US430081

    申请日:1989-11-01

    IPC分类号: C08F4/64 C08F4/646 C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: A catalyst formed from(A) a solid titanium catalyst component containing magnesium, titanium, halogen and a polycarboxylic acid ester as essential ingredients and being obtained by contacting a magnesium compound, a titanium compound and a polycarboxylic acid ester,(B) an organoaluminum compound, and(C) an organosilicon compound represented by the following formula (1)SiR.sup.1 R.sup.2 (OR.sup.3).sub.2 (1) wherein R.sup.1 is selected from the class consisting of linear alkyl groups having at least 3 carbon atoms and arylalkyl groups in which the alkyl moiety has a secondary or tertiary alpha-carbon atom, R.sup.2 is selected from the class consisting of alkyl groups and arylalkyl groups in which the alkyl moiety has a secondary or tertiary alpha-carbon atom, and R.sup.3 is a hydrocarbon group, with the proviso that when R.sup.1 is a linear alkyl group having at least 3 carbon atoms and R.sup.2 is an alkyl group, the alkyl group for R.sup.2 is a linear alkyl group having at least 3 carbon atoms,and process for production thereof.

    Olefin polymerization catalyst component, process for production
thereof, olefin polymerization catalyst, and process for polymerizing
olefins
    78.
    发明授权
    Olefin polymerization catalyst component, process for production thereof, olefin polymerization catalyst, and process for polymerizing olefins 失效
    烯烃聚合催化剂组分,其制备方法,烯烃聚合催化剂和烯烃聚合方法

    公开(公告)号:US4990477A

    公开(公告)日:1991-02-05

    申请号:US406466

    申请日:1989-09-13

    IPC分类号: C08F4/64 C08F4/656 C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: A catalyst component (X") obtained by treating an olefin polymerization catalyst (X) formed from (A) a solid titanium catalyst component comprising magnesium, titanium, halogen and an electron donor as essential ingredients, (B) an organoaluminum compound catalyst component, and as required, (C) an electron donor with an alpha-olefin by preliminarily polymerizing the alpha-olefin in an amount of 0.1 to 500 g per gram of the solid titanium catalyst component (A) in the presence of said catalyst (X), and contacting the treated catalyst (X') with at least 0.1 mole, per gram-atom of titaninum in the treated catalyst (X"), of oxygen. A process for producing the olefin polymerization catalyst component. A catalyst (Y) for olefin polymerization formed from [I] the above catalyst component (X"), [II] an organoaluminum compound catalyst component and as required [III] an electron donor. Also provided is a process for polymerizing olefins in the presence of the olefin polymerization catalyst (Y).

    Process for producing olefin polymers
    79.
    发明授权
    Process for producing olefin polymers 失效
    生产烯烃聚合物的方法

    公开(公告)号:US4725656A

    公开(公告)日:1988-02-16

    申请号:US783816

    申请日:1985-10-07

    CPC分类号: C08F10/00

    摘要: A process for producing a polymer or copolymer of an olefin which comprises polymerizing or copolymerizing at least one olefin with or without a diolefin in the presence of a catalyst composed of (A) a magnesium-containing solid titanium catalyst component containing magnesium, titanium, a halogen and an electron donor as essential ingredients and (B) an organoaluminum compound catalyst component; characterized in that(1) said catalyst further comprises (C) an organic silicon compound catalyst component having an Si-O-C or Si-N-C bond, and(2) said electron donor in the catalyst component (A) is selected from the group consisting of a cyclic mono- or poly-ester such as, diethyl cyclohexene-1,2-dicarboxylate, diethyl furane-3,4-dicarboxylate, di-isobutyl pyrrole-2,3-dicarboxylate, diethyl cyclohexene-1,6-dicarboxylate, di-n-propyl 1,2-benzenediacetate, and n-butyl tetrahydrothiophene-2,3-dicarboxylate.

    摘要翻译: 一种制备烯烃的聚合物或共聚物的方法,其包括在由(A)含镁的固体钛催化剂组分(含有镁,钛,金属和/或氧化物)的催化剂存在下聚合或共聚至少一种烯烃或不与二烯烃共聚 卤素和电子给体作为必要成分,(B)有机铝化合物催化剂组分; 其特征在于,(1)所述催化剂还包含(C)具有Si-OC或Si-NC键的有机硅化合物催化剂组分,和(2)催化剂组分(A)中的所述电子给体选自 环己基-1,2-二羧酸二乙基酯,呋喃-3,4-二羧酸二乙酯,二异丁基吡咯-2,3-二羧酸二乙酯,环己烯-1,6-二羧酸二乙酯, 1,2-苯二乙酸二正丙酯和四氢噻吩-2,3-二甲酸正丁酯。

    Process for polymerizing or copolymerizing olefins
    80.
    发明授权
    Process for polymerizing or copolymerizing olefins 失效
    烯烃聚合或共聚方法

    公开(公告)号:US4370455A

    公开(公告)日:1983-01-25

    申请号:US101470

    申请日:1979-12-10

    CPC分类号: C08F10/00

    摘要: In a process for producing a polymer or copolymer of an alpha-olefin which comprises continuously polymerizing or copolymerizing the alpha-olefin or the alpha-olefin with up to 5 mole % of a diolefin in the presence of a catalyst comprising a transition metal catalyst component and an organoaluminum catalyst component, the improvement wherein:(I) said polymerization or copolymerization is carried out in the presence of a catalyst composed of (A) a solid magnesium compound obtained by reacting (i) an adduct between a magnesium halide and an electron donor, with (ii) an organometallic compound of a metal of Groups I to III of the Mendelejeff's periodic table, (B) a liquid transition metal compound, and (C) an organoaluminum compound, and(II) said continuous polymerization or copolymerization is carried out while feeding the compound (B) separately from the other compounds (A) and (C) into a polymerization or copolymerization zone.

    摘要翻译: 在制备α-烯烃的聚合物或共聚物的方法中,其包括在包含过渡金属催化剂组分的催化剂存在下,使α-烯烃或α-烯烃与至多5摩尔%的二烯烃连续聚合或共聚 和有机铝催化剂组分的改进,其中:(I)所述聚合或共聚在催化剂存在下进行,所述催化剂由(A)通过(i)卤化镁和电子之间的加合物反应获得的固体镁化合物 (ii)Mendelejeff周期表第I至III族金属的有机金属化合物,(B)液体过渡金属化合物和(C)有机铝化合物,和(II)所述连续聚合或共聚是 在将化合物(B)与其它化合物(A)和(C)分开地进料到聚合或共聚区中的同时进行。