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    • 4. 发明授权
    • Method for producing modified propylene polymer
    • 改性丙烯聚合物的制备方法
    • US08716408B2
    • 2014-05-06
    • US13425595
    • 2012-03-21
    • Hiroyoshi NakajimaMitsuyoshi Shimano
    • Hiroyoshi NakajimaMitsuyoshi Shimano
    • C08F8/00C08F8/02
    • C08F255/02
    • Disclosed is a method for producing a modified propylene polymer that exhibits low flowability and also exhibits little fluctuation in melt flow rate compared with the melt flow rate of the propylene polymer before modification, the method involving a heat treatment step of subjecting a mixture comprising 100 parts by weight of a propylene polymer (A), from 0.1 to 50 parts by weight of an ethylenically unsaturated bond-containing compound (B), and from 0.01 to 20 parts by weight of an organic peroxide (C) whose decomposition temperature at which the half-life thereof becomes 1 minute is lower than 120° C. to heat treatment by using an extruder at a temperature lower than the decomposition temperature of the organic peroxide (C) at which the half-life thereof becomes 1 minute.
    • 本发明公开了一种改性丙烯聚合物的制造方法,其特征在于,与改性前的丙烯类聚合物的熔体流动速率相比,流动性低,熔体流动速率变动不大,涉及热处理工序的方法, 的丙烯聚合物(A),0.1〜50重量份的含烯属不饱和键的化合物(B)和0.01〜20重量份的有机过氧化物(C),其分解温度为 其半衰期为1分钟低于120℃,通过使用挤出机在低于半衰期为1分钟的有机过氧化物(C)的分解温度的温度下进行热处理。
    • 6. 发明授权
    • Process for producing solid product, solid catalyst component, and catalyst for olefin polymerization, and process for producing olefin polymer
    • 生产固体产品,固体催化剂组分和烯烃聚合催化剂的方法,以及烯烃聚合物的制备方法
    • US06683139B2
    • 2004-01-27
    • US10025708
    • 2001-12-26
    • Masayuki FujitaYoshinori SekiHiroyoshi Nakajima
    • Masayuki FujitaYoshinori SekiHiroyoshi Nakajima
    • C08F416
    • C08F10/00C08F4/6567
    • There are provided (1) a process for producing a solid product, which comprises the step of reducing a titanium compound represented by the following formula [I] with an organomagnesium compound in the presence of an organosilicon compound having an Si—O bond, an inorganic fine particle and optionally an ester compound, (2) a process for producing a solid catalyst component, which comprises the step of contacting the solid product obtained by the above process, a halogenation ability-carrying halogeno compound, and an inner electron donor compound, (3) a process for producing a catalyst, which comprises the step of contacting the solid catalyst component obtained by the above process, an organoaluminum compound, and an outer electron donor compound, and (4) a process for producing an olefin polymer, which comprises the step of polymerizing an olefin in the presence of the catalyst obtained by the above process.
    • 提供(1)固体产物的制造方法,其包括在有Si-O键的有机硅化合物的存在下,用有机镁化合物还原下述式[I]表示的钛化合物的工序, 无机细颗粒和任选的酯化合物,(2)固体催化剂组分的制备方法,其包括使通过上述方法获得的固体产物,含卤化能力的卤代化合物和内部电子给体化合物 (3)制备催化剂的方法,其包括使通过上述方法获得的固体催化剂组分与有机铝化合物和外电子给体化合物接触的步骤,和(4)烯烃聚合物的制备方法, 其包括在通过上述方法获得的催化剂存在下聚合烯烃的步骤。