会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Method for producing .alpha.-olefin polymers
    • α-烯烃聚合物的制备方法
    • US4403081A
    • 1983-09-06
    • US13522
    • 1979-02-21
    • Masato HaradaAkihiro SatoSadahiko YamadaKazutsune KikutaAtsushi SuzukiHiroshi ShimizuJun MasudaTadamitsu HamasakiAtsuyuki Kachi
    • Masato HaradaAkihiro SatoSadahiko YamadaKazutsune KikutaAtsushi SuzukiHiroshi ShimizuJun MasudaTadamitsu HamasakiAtsuyuki Kachi
    • C08F4/62C08F4/64C08F10/00C08F4/02
    • C08F10/00
    • A method for producing .alpha.-olefin polymers is provided. This method provides products having superior properties such as higher bulk density and uniform particle form which is close to sphere, with such an extremely higher catalyst efficiency that ash-removal step can be omitted without fear of coloring. The characteristic point of this method is in the improvement of conventional catalyst obtained by reacting a trivalent metal halide with a divalent metal hydroxide, oxide or carbonate or a double salt containing foregoing compounds or a hydrate of a compound containing a divalent metal to form a solid product (I), reacting an electron donor with said product (I), reacting the resulting product with a compound of transition metal of the 4th a or the 5th a group to form a final solid product and combining an organoaluminum compound with said final product,the improvement consisting in that said final product is obtained by reacting said solid product (I), said electron donor and said compound of transition metal, in the coexistence of said electron donor and said compound of transition metal.
    • 提供了一种生产α-烯烃聚合物的方法。 该方法提供具有较高体积密度和接近球体的均匀颗粒形式的优异性能的产品,具有非常高的催化剂效率,可以省略除灰步骤而不用担心着色。 该方法的特征在于改进通过使三价金属卤化物与二价金属氢氧化物,氧化物或碳酸盐或含有前述化合物的复盐或含有二价金属的化合物的水合物反应形成固体而获得的常规催化剂 产物(I),使电子给体与所述产物(I)反应,使所得产物与第4或第5族的过渡金属的化合物反应以形成最终固体产物,并将有机铝化合物与所述最终产物 所述最终产物的改进是通过所述固体产物(I),所述电子给体和所述过渡金属化合物在所述电子给体和所述过渡金属化合物的共存下反应而获得的。
    • 4. 发明授权
    • Method for producing olefin polymers
    • 烯烃聚合物的制备方法
    • US4260723A
    • 1981-04-07
    • US51797
    • 1979-06-25
    • Masato HaradaYoshikatsu IshigakiSadahiko YamadaAtsushi SuzukiJun MasudaTadamitsu HamazakiToshiaki YoshidaKiyoto Fukuda
    • Masato HaradaYoshikatsu IshigakiSadahiko YamadaAtsushi SuzukiJun MasudaTadamitsu HamazakiToshiaki YoshidaKiyoto Fukuda
    • C08F4/62C08F4/64C08F10/00C08F4/02
    • C08F10/00C08F2410/04Y10S526/906
    • A method for producing .alpha.-olefin polymers or copolymers by the use of an improved catalyst having a specific solid product combined with an organoaluminum compound is provided.The specific solid product (III) is prepared byreacting a trivalent metal halide with a specified divalent metal compound to obtain a solid product (I);reacting this product (I) with a transition metal compound of 4a group or 5a group of the Periodic Table in the presence of a polysiloxane to obtain a solid product (II); andfurther reacting this product (II) with at least two transition metal compounds of 4a group or 5a group, consisting of at least one member selected from the group (A) consisting of halogen-containing transition metal compounds of 4a group or 5a group, and at least one member selected from the group (B) consisting of halogen-free transition metal compounds of 4a group or 5a group to obtain the solid product (III).By employing this improved solid product (III) as a catalyst component, it is possible to produce .alpha.-olefin polymers or copolymers having a broader molecular weight distribution with a high polymer yield.
    • 提供了通过使用具有特定固体产物与有机铝化合物结合的改进的催化剂来生产α-烯烃聚合物或共聚物的方法。 特定固体产物(III)通过使三价金属卤化物与特定的二价金属化合物反应制得,得到固体产物(I); 使该产物(I)与聚硅氧烷存在下的4a基或周期表的5a基的过渡金属化合物反应,得到固体产物(II); 并进一步使该产物(II)与至少两种4a基或5a基的过渡金属化合物反应,该过渡金属化合物由选自由4a基或5a基的含卤素的过渡金属化合物组成的组(A)中的至少一种, 和选自由4a基或5a基的无卤素过渡金属化合物组成的组(B)中的至少一种,得到固体产物(III)。 通过使用该改进的固体产物(III)作为催化剂组分,可以生产具有较高分子量分布的α-烯烃聚合物或聚合物,其聚合物收率高。
    • 6. 发明授权
    • Solid catalyst component for olefin polymerization and process for
producing same
    • 用于烯烃聚合的固体催化剂组分及其制备方法
    • US4551439A
    • 1985-11-05
    • US700592
    • 1985-02-11
    • Masato HaradaShinya MiyaSadahiko YamadaMakoto Iijima
    • Masato HaradaShinya MiyaSadahiko YamadaMakoto Iijima
    • C08F4/00C08F4/44C08F4/50C08F4/58C08F4/60C08F4/64C08F4/658C08F4/68C08F10/00
    • C08F10/00
    • A solid catalyst component for olefin polymerization having a high polymerization activity and affording a highly stereoregular polymer having a good particulate form, and a process for producing the same are provided, which component indispensably contains Mg, Ti, Al, halogen and alkoxy group; has two absorption peaks (absorbances A.sub.1 and A.sub.2) at specified wavenumbers within a specified region of spectra according to infrared spectrophotometry, A.sub.1 /A.sub.2 and A.sub.1 /A.sub.3 (A.sub.3 : an absorbance at a specified wavenumber) being each in a specified range; and has X-ray diffraction spectra distinctive from those of Mg halide or its complex with electron donor, and which process consists of step I of dissolving (a) anhydrous Mg dihalide, (b) a specified orthotitanic or polytitanic acid ester and (c) a specified alcohol in an inert hydrocarbon solvent to prepare component A; step II of mixing and reacting component A with component B consisting of (d) a specified organic acid ester, (e) a specified Al halide and (f) a specified Si halide to prepare solid product (I); and step III of reacting solid product (I) with component C consisting of (g) a specified Ti halide and/or (h) a specified vanadyl or vanadium halide to obtain solid product (II) as the objective catalyst component.
    • 提供具有高聚合活性的烯烃聚合用固体催化剂组分,并提供具有良好颗粒形式的高度立构规整性聚合物及其制备方法,该组分不可缺少地含有Mg,Ti,Al,卤素和烷氧基; 根据红外分光光度法,A1 / A2和A1 / A3(A3:指定波数处的吸光度),在指定的光谱区域内的特定波数处具有两个吸收峰(吸光度A1和A2) 并且具有与卤化镁或其与电子给体的络合物不同的X射线衍射光谱,该方法由步骤I(a)溶解(a)无水二卤化镁,(b)特定的原钛酸或聚钛酸酯和(c) 指定的醇在惰性烃溶剂中制备组分A; 将组分A与由(d)指定的有机酸酯,(e)指定的Al卤化物和(f)特定的Si卤化物组成的组分B混合和反应以制备固体产物(I)的步骤II; 和步骤III,使固体产物(I)与由(g)特定的Ti卤化物和/或(h)特定的氧钒或卤化钒组成的组分C反应,得到作为目标催化剂组分的固体产物(II)。
    • 10. 发明授权
    • Process for polymerizing olefins
    • 烯烃聚合方法
    • US4831091A
    • 1989-05-16
    • US226729
    • 1988-08-01
    • Masato HaradaMakoto IijimaNoriaki Saito
    • Masato HaradaMakoto IijimaNoriaki Saito
    • C08F4/00C08F4/60C08F4/64C08F4/658C08F10/00
    • C08F10/00Y10S526/901
    • A process for producing polyolefins having a high stereoregularity, no smell and a good particulate form, without needing removal of catalyst residue contained in the resulting polyolefins, which process comprises polymerizing olefins by the use of a catalyst obtained by combining a solid product (II) as a solid catalyst component prepared through the following reaction steps I, II and III, with an organoaluminum compound component and an organic silicon compound component having Si-O-C bond: Step I of mixing and dissolving .circle.a an anhydrous Mg dihalide, .circle.b a specified orthotitanic acid ester or/and a specified polytitanic acid ester and .circle.c a saturated or unsaturated, mono- or polyhydroxy alcohol of 1.about.20 C in an inert hydrocarbon solvent to obtain a component (A), Step II of mixing (A) with a component (B) consisting of .circle.d an aliphatic or aromatic monocarboxylic acid ester, .circle.e a specified halogenated aluminum and .circle.f a specified halogenated silicon to obtain a solid product (I), and Step III of reacting (I) with a component (C) consisting of .circle.g a specified halogenated titanium or/and .circle.h a specified halogenated vanadyl or a specified vanadium halide to obtain the solid product (II).
    • 一种制备具有高立构规整性,无气味和良好颗粒形式的聚烯烃的方法,而不需要除去所得聚烯烃中所含的催化剂残余物,该方法包括使用通过将固体产物(II), 作为通过以下反应步骤I,II和III与有机铝化合物组分和具有Si-OC键的有机硅化合物组分制备的固体催化剂组分:步骤I混合和溶解无水Mg二卤化物,并且指定 邻氨基酸酯或/和特定的聚钛酸酯和(C 1 -C 20)饱和或不饱和的单或多羟基醇在惰性烃溶剂中反应,得到组分(A),步骤II将(A)与 组分(B)由脂族或芳族单羧酸酯组成,并且具有指定的卤化铝和特定的卤化硅 得到固体产物(I),和步骤III使(I)与由特定的卤化钛或/和指定的卤代氧钒或特定的卤化钒组成的组分(C)反应得到固体产物(II) )。