Polymer compositions comprising ethylene polymer blends
    3.
    发明授权
    Polymer compositions comprising ethylene polymer blends 失效
    包含乙烯聚合物共混物的聚合物组合物

    公开(公告)号:US4335224A

    公开(公告)日:1982-06-15

    申请号:US239555

    申请日:1981-03-02

    摘要: Provided is a polymer composition having a melt index of 0.01 to 5.0 and a density of 0.880 to 0.940 prepared by blending 10 to 80 parts by weight of an ethylene/.alpha.-olefin copolymer having an intrinsic viscosity determined in decalin at 135.degree. C. of 2.0 to 10 dl/g and a density of less than 0.91 which copolymer is obtained by copolymerizing ethylene with an .alpha.-olefin of C.sub.3 to C.sub.12 in vapor phase condition, with 20 to 90 parts by weight of an ethylene polymer having an intrinsic viscosity determined in decalin at 135.degree. C. of not higher than 1.7 dl/g and a density not less than 0.950.

    摘要翻译: 本发明提供熔融指数为0.01〜5.0,密度为0.880〜0.940的聚合物组合物,其通过将10〜80重量份在135℃萘烷中测定的特性粘度的乙烯/α-烯烃共聚物 2.0〜10dl / g,密度小于0.91,该共聚物是通过在气相条件下使乙烯与C3〜C12的α-烯烃共聚得到的,其中20〜90重量份的特性粘度确定为乙烯聚合物 在135℃的十氢化萘中,不高于1.7dl / g,密度不小于0.950。

    Thermoplastic elastomer compositions
    5.
    发明授权
    Thermoplastic elastomer compositions 失效
    热塑性弹性体组合物

    公开(公告)号:US4822855A

    公开(公告)日:1989-04-18

    申请号:US81464

    申请日:1987-08-04

    摘要: A thermoplastic elastomer composition prepared by partially crosslinking a composition comprising the following components (A), (B) and (C):(A) 30-70 parts by weight of an ethylene/.alpha.-olefin copolymer prepared by copolymerizing ethylene and an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst comprising a solid component and an organoaluminum compound which solid component contains at least magnesium and titanium, said ethylene/.alpha.-olefin copolymer having the following properties (I) to (IV):______________________________________ (I) Melt index 0.01-100 g/10 min (II) Density 0.860-0.910 g/cm.sup.3 (III) Maximum peak not lower than 100.degree. C. temperature as measured according to a differential scanning calorimetry (DSC) (IV) Insolubles in boiling not less than 10 wt. % n-hexane ______________________________________ (B) 70-30 parts by weight of a propylene polymer; and(C) 70-200 parts by weight, based on 100 parts by weight of the components (A) and (B), of an ethylene/.alpha.-olefin copolymer rubber.

    摘要翻译: 通过部分交联包含以下组分(A),(B)和(C)的组合物制备的热塑性弹性体组合物:(A)30-70重量份通过乙烯共聚合制备的乙烯/α-烯烃共聚物 所述乙烯/α-烯烃共聚物具有以下特性(I)至(IV),所述催化剂包含固体组分和有机铝化合物,所述有机铝化合物至少含有镁和钛, : - (I)熔体指数0.01-100g / 10min - (II)密度0.860-0.910g / cm3 - (III)最高峰不低于100℃ - 测量温度 - 根据差示扫描 - 量热法(DSC) - (Ⅳ)不溶物不溶于10重量% % - 正己烷 - (B)70-30重量份丙烯聚合物; 和(C)基于100重量份的组分(A)和(B))为70-200重量份的乙烯/α-烯烃共聚物橡胶。

    Thermoplastic elastomer compositions
    6.
    发明授权
    Thermoplastic elastomer compositions 失效
    热塑性弹性体组合物

    公开(公告)号:US4775722A

    公开(公告)日:1988-10-04

    申请号:US91831

    申请日:1987-09-01

    摘要: A thermoplastic elastomer composition prepared by partially crosslinking a composition comprising the following components (A), (B), (C) and (D):(A) 10-40% by weight of an ethylene/.alpha.-olefin copolymer prepared by copolymerizing ethylene and an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst comprising a solid component and an organoaluminum compound which solid component contains at least magnesium and titanium, said ethylene/.alpha.-olefin copolymer having the following properties (I) to (IV):(I) Melt index: 0.01-50 g/10 min(II) Density: 0.860-0.910 g/cm.sup.3(III) Maximum peak temperature as measured according to a differential scanning calorimetry (DSC): not lower than 100.degree. C.(IV) Insolubles in boiling n-hexane: not less than 10 wt. %(B) 15-35% by weight of a propylene polymer;(C) 10-40% by weight of an ethylene/.alpha.-olefin copolymer rubber; and(D) 10-40% by weight of an ethylene/unsaturated monocarboxylic acid ester copolymer in which the carboxylate unit content is 2-10 mol %.

    摘要翻译: 通过将包含以下组分(A),(B),(C)和(D))的组合物部分交联制备的热塑性弹性体组合物:(A)10-40重量%的通过共聚制备的乙烯/α-烯烃共聚物 乙烯和具有3至12个碳原子的α-烯烃,在包含固体组分和固体组分至少含有镁和钛的有机铝化合物的催化剂存在下,所述乙烯/α-烯烃共聚物具有以下性质(I) 至(IV):(I)熔融指数:0.01-50g / 10分钟(II)密度:0.860-0.910g / cm3(III)根据差示扫描量热法(DSC)测量的最大峰值温度:不低于 100℃(Ⅳ)沸腾正己烷不溶物不少于10wt。 %(B)15-35重量%的丙烯聚合物; (C)10-40重量%的乙烯/α-烯烃共聚物橡胶; 和(D)10-40重量%的羧酸酯单元含量为2-10摩尔%的乙烯/不饱和一元羧酸酯共聚物。

    Thermoplastic elastomer composition
    7.
    发明授权
    Thermoplastic elastomer composition 失效
    热塑性弹性体组合物

    公开(公告)号:US4722973A

    公开(公告)日:1988-02-02

    申请号:US847430

    申请日:1986-04-02

    IPC分类号: C08L23/16 C08L23/18

    摘要: This invention provides a thermoplastic elastomer composition obtained by blending (A) a hard segment comprising a low-density ethylene-.alpha.-olefin copolymer formed by copolymerizing ethylene with an .alpha.-olefin by the use of a specific catalyst and characterized by specifically defined properties and (B) a soft segment comprising an ethylene-.alpha.-olefin copolymer rubber, or obtained by partial cross-linking of the resulting blend.This elastomer composition has characteristic features such as high flexibility, good fluidity, excellent tensile properties, good thermal resistance and oil resistance and low permanent strain.

    摘要翻译: 本发明提供一种热塑性弹性体组合物,其通过将(A)包含通过使用特定催化剂将乙烯与α-烯烃共聚而形成的低密度乙烯-α-烯烃共聚物的硬链段并且特征在于具体限定的性质和 (B)包含乙烯-α-烯烃共聚物橡胶的软链段,或通过所得共混物的部分交联获得。 该弹性体组合物具有柔软性高,流动性好,拉伸性能优异,耐热性好,耐油性好,永久变形小的特征。

    Process for preparing polyolefins
    8.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US5804679A

    公开(公告)日:1998-09-08

    申请号:US881936

    申请日:1997-06-25

    IPC分类号: C08F4/656 C08F10/00

    CPC分类号: C08F10/00 Y10S526/901

    摘要: Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component being prepared by the reaction of the following components �I! and �II!: �I! a reaction product obtained by reacting the following components (1), (2) and (3) with one another: (1) a silicon oxide and/or an aluminum oxide; (2) a reaction product obtained by the reaction of a magnesium halide and compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0

    摘要翻译: 表现出更好的颗粒性能的聚烯烃通过在包含通过以下组分[I]和[II]的反应制备的固体催化剂组分的催化剂存在下聚合烯烃或烯烃来制备:[I] 以下组分(1),(2)和(3)彼此:(1)氧化硅和/或氧化铝; (2)通过卤化镁与通式Me(OR)n X z-n表示的化合物反应获得的反应产物,其中Me表示周期表中第I至IV族的元素,z表示元素的化合价 Me,n为0

    Process for preparing polyolefins
    9.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US5463001A

    公开(公告)日:1995-10-31

    申请号:US6695

    申请日:1993-01-21

    CPC分类号: C08F10/00

    摘要: Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, said solid catalyst component being prepared by the reaction of the following components [I] and [II]:[I] a reaction product obtained by reacting the following components (1), (2) and (3) with one another in the presence of a compound represented by the general formula ROH wherein R is a hydrocarbon radical having 1 to 20 carbon atoms or an organic residue containing such an element as oxygen, nitrogen, sulfur, or chlorine:(1) a silicon oxide and/or an aluminum oxide;(2) a reaction product obtained by the reaction of a magnesium halide and compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0

    摘要翻译: 通过在包含固体催化剂组分和有机金属化合物的催化剂存在下聚合烯烃或烯烃来制备表现出更好颗粒性能的聚烯烃,所述固体催化剂组分通过以下组分[I]和[II]的反应制备: [I]通过使下列组分(1),(2)和(3)在通式ROH表示的化合物的存在下反应获得的反应产物,其中R是具有1至20个碳原子的烃基 或含有氧,氮,硫或氯等元素的有机残渣:(1)氧化硅和/或氧化铝; (2)通过卤化镁与通式Me(OR)n X z-n表示的化合物反应获得的反应产物,其中Me表示周期表中第I至IV族的元素,z表示元素的化合价 Me,n为0

    Thermoplastic elastomer compositions
    10.
    发明授权
    Thermoplastic elastomer compositions 失效
    热塑性弹性体组合物

    公开(公告)号:US4895903A

    公开(公告)日:1990-01-23

    申请号:US185109

    申请日:1988-04-22

    摘要: A thermoplastic elastomer composition prepared by crosslinking a composition comprising the following components (A), (B) and (C) by using a phenolic curing agent:(A) 30-70 parts by weight of an ethylene/.alpha.-olefin copolymer prepared by copolymerizing ethylene and an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst comprising a solid component and an organoaluminum compound which solid component contains at least magnesium and titanium, said ethylene/.alpha.-olefin copolymer having the following properties (I) to (IV):______________________________________ (I) Melt index 0.01-100 g/10 min (II) Density 0.860-0.910 g/cm.sup.3 (III) Maximum peak temperature as measured according to a not lower than 100.degree. C. differential scanning calorimetry (DSC) (IV) Insolubles in boiling n-hexane not less than 10 wt. % ______________________________________ (B) 70-30 parts by weight of a propylene polymer; and(C) 70-150 parts by weight, based on 100 parts by weight of the components (A) and (B), of an ethylene/.alpha.-olefin/non-conjugated diene copolymer rubber.

    摘要翻译: 通过使用酚类固化剂将包含以下组分(A),(B)和(C)的组合物交联制备的热塑性弹性体组合物:(A)30-70重量份由乙烯/α-烯烃共聚物制备的乙烯/α-烯烃共聚物 在包含固体组分和固体组分至少含有镁和钛的有机铝化合物的催化剂存在下,使乙烯和具有3至12个碳原子的α-烯烃共聚,所述乙烯/α-烯烃共聚物具有以下性质(I )至(IV): - (I)熔体指数0.01-100g / 10分钟 - (II)密度0.860-0.910g / cm 3 - (III)测量的最大峰 - 温度 - 不低于100℃ - 差示扫描量热法(DSC) - (IV)沸点正己烷中不溶于10重量% % - (B)70-30重量份丙烯聚合物; 和(C)基于100重量份组分(A)和(B))的70-150重量份的乙烯/α-烯烃/非共轭二烯共聚物橡胶。