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    • 1. 发明授权
    • Method for polymerizing .alpha.-olefin
    • α-烯烃聚合方法
    • US4435550A
    • 1984-03-06
    • US356475
    • 1982-03-09
    • Haruo UenoTakefumi YanoTokuji InoueShigeru IkaiYoshiyuki KaiMichimasa Shimizu
    • Haruo UenoTakefumi YanoTokuji InoueShigeru IkaiYoshiyuki KaiMichimasa Shimizu
    • C08F4/00C08F4/60C08F4/64C08F10/00C08F4/02C08F10/04
    • C08F10/00Y10S526/904
    • Poly-.alpha.-olefin, for example, polypropylene, is produced by subjecting a feed containing an .alpha.-olefin having 3 or more carbon atoms, to a preliminary polymerization at 40.degree. C. or less in the presence of a catalyst which comprises (A) a solid catalytic ingredient prepared (a) by reacting a Grignard compound of the formula, R.sup.3 MgX wherein R.sup.3 =C.sub.1-8 alkyl and X=halogen, with a reaction product of an aluminium halide with an organic silicon compound of the formula, R.sub.n.sup.1 Si(OR.sup.2).sub.4-n, wherein R.sup.1 =C.sub.1-8 alkyl or phenyl, R.sup.2 =C.sub.1-8 alkyl, n=0, or 1 to 3, (b) bringing the resultant solid carrier into a first contact with titanium tetrahalide, (c) treating the resultant titanium-containing solid product with an organic acid ester, and, finally, (d) bringing the treated solid product into a second contact with titanium tetrahalide; (B) another catalytic ingredient consisting of a trialkyl aluminium of the formula, AlR.sub.3.sup.4 wherein R.sup.4 =C.sub.2-6 alkyl; and a further catalytic ingredient consisting of an organic acid ester, and then, by subjecting a polymerization mixture containing the above-mentioned catalyst, the preliminary polymer and free .alpha.-olefin to a final polymerization at a temperature above 40.degree. C.
    • 聚-α-烯烃,例如聚丙烯,是通过使含有3个或更多个碳原子的α-烯烃的原料在40℃或更低的预聚合下,在含有(A )固体催化成分(a)通过使下式的格利雅化合物,其中R3 = C1-8烷基和X =卤素的R3MgX与卤化铝与下式的有机硅化合物的反应产物Rn1Si( OR 2)4-n,其中R 1 = C 1-8烷基或苯基,R 2 = C 1-8烷基,n = 0或1至3,(b)使所得固体载体与四卤化钛进行第一次接触,(c )用有机酸酯处理得到的含钛固体产物,最后(d)使经处理的固体产物与四卤化钛进行第二次接触; (B)由下式的三烷基铝,其中R 4 = C 2-6烷基的AlR 34组成的另一种催化成分; 和由有机酸酯组成的另外的催化成分,然后通过使含有上述催化剂的聚合混合物,预聚合物和游离α-烯烃在40℃以上的温度下进行最终聚合。
    • 3. 发明授权
    • Method for polymerizing .alpha.-olefin
    • α-烯烃聚合方法
    • US4365048A
    • 1982-12-21
    • US263573
    • 1981-05-14
    • Haruo UenoTakefumi YanoTokuji InoueShigeru IkaiYoshiyuki KaiMichimasa Shimizu
    • Haruo UenoTakefumi YanoTokuji InoueShigeru IkaiYoshiyuki KaiMichimasa Shimizu
    • C08F4/00C08F4/02C08F4/50C08F4/58C08F4/60C08F4/64C08F10/00C08F10/06
    • C08F10/00
    • Poly.alpha.-olefin, for example, polypropylene, is produced with an excellent yield by bringing, in the presence of an organic acid ester, a feed, containing at least one .alpha.-olefin having 3 or more carbon atoms, for example, propylene, into contact with a catalyst which comprises (A) a solid catalytic ingredient prepared (a) by reacting a Grignard compound of the formula, R.sup.3 MgX wherein R.sup.3 =C.sub.1-8 alkyl and X=halogen, with a reaction product of an aluminium halide with an organic silicon compound of the formula, R.sub.n.sup.1 Si(OR.sup.2).sub.4-n, wherein R.sup.1 =C.sub.1-8 alkyl or phenyl, R.sup.2 =C.sub.1-8 alkyl, n=1, 2 or 3, (b) bringing the resultant reaction product into a first contact with titanium tetrahalide, (c) treating the resultant titanium-containing solid product with an organic acid ester, and, finally, (d) bringing the treated solid product into a second contact with titanium tetrahalide, and; (B) another catalytic ingredient consisting of a trialkyl aluminium of the formula, AlR.sub.3.sup.4 wherein R.sup.4 =C.sub.2-6 alkyl.
    • 通过在有机酸酯的存在下,含有至少一种具有3个或更多个碳原子的α-烯烃的进料,例如丙烯,丙烯, 与催化剂接触,该催化剂包含(A)通过使下式的格利雅化合物,其中R3 = C1-8烷基和X =卤素的R3MgX与卤化铝的反应产物与 Rn1Si(OR2)4-n的有机硅化合物,其中R1 = C1-8烷基或苯基,R2 = C1-8烷基,n = 1,2或3,(b)将所得反应产物置于 首先与四卤化钛接触,(c)用有机酸酯处理所得的含钛固体产物,最后,(d)使经处理的固体产物与四卤化钛进行第二次接触; (B)由下式的三烷基铝,其中R 4 = C 2-6烷基的AlR 34组成的另一种催化成分。
    • 4. 发明授权
    • Method for polymerizing .alpha.-olefin
    • α-烯烃聚合方法
    • US4324877A
    • 1982-04-13
    • US208302
    • 1980-11-19
    • Haruo UenoTakefumi YanoTokuji InoueShigeru IkaiMasanori TamuraSakae Yuasa
    • Haruo UenoTakefumi YanoTokuji InoueShigeru IkaiMasanori TamuraSakae Yuasa
    • C08F4/00C08F4/60C08F4/64C08F10/00C08F4/02C08F10/06
    • C08F10/00
    • An .alpha.-olefin polymer having an excellent H.I. is produced with a high yield by bringing, in the presence of an organic acid ester, a feed containing at least one .alpha.-olefin, having 3 or more carbon atoms, into contact with a catalyst composed of:a solid catalytic ingredient which has been prepared in such a manner that an aluminosiloxy compound of the formula, ##STR1## wherein X.sup.1 represents a chlorine atom, a bromine atom or an iodine atom, is reacted with a Grignard compound of the formula R.sup.1 MgX.sup.2 [II] wherein R.sup.1 represents an alkyl radical having 1 to 8 carbon atoms and X.sup.2 represents a halogen atom, the resultant solid reaction product is brought into contact with a titanium tetrahalide, the resultant titanium-containing solid product is treated with an organic acid ester, and the treated solid product is brought into contact with a titanium tetrahalide; anda trialkyl aluminum.
    • 具有优异的H.I.的α-烯烃聚合物。 通过在有机酸酯的存在下,将含有至少一种具有3个或更多个碳原子的α-烯烃的进料与由以下物质组成的催化剂接触来制备:高固含量的固体催化成分 以如下方式制备:其中X1表示氯原子,溴原子或碘原子的下式的铝硅氧烷化合物,其中X1表示氯原子,溴原子或碘原子,与式R1MgX2 [II]的格利雅化合物反应,其中R1表示 具有1至8个碳原子的烷基,X 2表示卤素原子,使所得固体反应产物与四卤化钛接触,所得含钛固体产物用有机酸酯处理,并将处理过的固体产物 与四卤化钛接触; 和三烷基铝。