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    • 2. 发明授权
    • Process for selective production of cis-1,4-polybutadiene
    • 选择性生产顺式-1,4-聚丁二烯的方法
    • US5424379A
    • 1995-06-13
    • US229311
    • 1994-05-16
    • Masahiro KakugoTatsuya MiyatakeKoozi MizunumaYoshio YagiKazuhiro Watanabe
    • Masahiro KakugoTatsuya MiyatakeKoozi MizunumaYoshio YagiKazuhiro Watanabe
    • C08F4/64C08F4/649C08F136/06
    • C08F136/06
    • A catalyst for production of 1,4-polybutadiene which comprisesas the catalyst component (A) a transition metal compound represented by the formula M(R).sub.l (OR').sub.m X.sub.n-(l+m), wherein M denotes a transition metal atom, R and R' each denote a hydrocarbon group of 1-20 carbon atoms, X denotes a halogen atom, and l, m and n denote numerals satisfying the equations l.gtoreq.0, m.gtoreq.0 and n-(l+m).gtoreq.0, n corresponding to the valence of the transition metal,as the catalyst component (B) an organoaluminum compound represented by the formula AlR.sup.1.sub.a X'.sub.3-a, wherein R.sup.1 denotes a hydrocarbon group of 1-20 carbon atoms, X denotes a halogen atom, and a denotes a numeral satisfying the equation 1.gtoreq.a.gtoreq.3, or an aluminoxane obtained by the reaction of said organoaluminum compound with water, andas the catalyst component (C) an organic compound having at least two hydroxyl groups.
    • 一种用于生产1,4-聚丁二烯的催化剂,其包含作为催化剂组分(A)由式M(R)l(OR')m Xn-(1 + m)表示的过渡金属化合物,其中M表示过渡金属 金属原子,R和R'各自表示1-20个碳原子的烃基,X表示卤素原子,l,m和n表示满足式l> / = 0,m> / = 0和n- (I + m)> / = 0,对应于过渡金属的化合价的n,作为催化剂组分(B)由式AlR1aX'3-a表示的有机铝化合物,其中R1表示1-20的烃基 碳原子,X表示卤素原子,a表示满足式1的化合物或通过所述有机铝化合物与水反应得到的铝氧烷,作为催化剂成分(C), 具有至少两个羟基的有机化合物。
    • 3. 发明授权
    • Process for selective production of trans-1,4-polybutadiene
    • 选择性生产反式-1,4-聚丁二烯的方法
    • US5349034A
    • 1994-09-20
    • US95050
    • 1993-07-22
    • Masahiro KakugoTatsuya MiyatakeKoozi MizunumaYoshio YagiKazuhiro Watanabe
    • Masahiro KakugoTatsuya MiyatakeKoozi MizunumaYoshio YagiKazuhiro Watanabe
    • C08F4/64C08F4/649C08F136/06
    • C08F136/06
    • A catalyst for production of 1,4-polybutadiene which comprisesas the catalyst component (A) a transition metal compound represented by the formula M(R)l(OR')m X.sub.n-(l+m), wherein M denotes a transition metal atom, R and R' each denote a hydrocarbon group of 1-20 carbon atoms, X denotes a halogen atom, and l, m and n denote numerals satisfying the equations l.gtoreq.0, m.gtoreq.0 and n-(l+m).gtoreq.0, n corresponding to the valence of the transition metal,as the catalyst component (B) an organoaluminum compound represented by the formula AlR.sup.1.sub.a X'.sub.3-a, wherein R.sup.1 denotes a hydrocarbon group of 1-20 carbon atoms, X denotes a halogen atom, and a denotes a numeral satisfying the equation 1.ltoreq.a.ltoreq.3, or an aluminoxane obtained by the reaction of said organoaluminum compound with water, andas the catalyst component (C) an organic compound having at least two hydroxyl groups.
    • 一种用于生产1,4-聚丁二烯的催化剂,其包含作为催化剂组分(A)由式M(R)l(OR')m Xn-(1 + m)表示的过渡金属化合物,其中M表示过渡金属 金属原子,R和R'各自表示1-20个碳原子的烃基,X表示卤素原子,l,m和n表示满足式l> / = 0,m> / = 0和n- (I + m)> / = 0,对应于过渡金属的化合价的n,作为催化剂组分(B)由式AlR1aX'3-a表示的有机铝化合物,其中R1表示1-20的烃基 碳原子,X表示卤素原子,a表示满足式1的数字,或通过所述有机铝化合物与水反应而得到的铝氧烷,作为催化剂成分(C), 具有至少两个羟基的有机化合物。
    • 5. 发明授权
    • Polypropylene multi-layer film
    • 聚丙烯多层膜
    • US4769284A
    • 1988-09-06
    • US854803
    • 1986-04-23
    • Masahiro KakugoSeiichiro ImaTatsuya MiyatakeHiroyuki Harada
    • Masahiro KakugoSeiichiro ImaTatsuya MiyatakeHiroyuki Harada
    • C08L23/00B32B27/32C08L7/00C08L21/00C08L23/14C08L23/16C08L101/00B32B27/00
    • B32B27/32Y10T428/2826Y10T428/31913
    • A polypropylene multi-layer film which comprises a substrate layer formed of crystalline polypropylene and a composition laminated on at least one side of said substrate layer, said composition comprising 70 to 95% by weight of (A) a crystalline propylene-ethylene copolymer having an ethylene content of 1.5 to 6.0% by weight and/or a crystalline propylene-.alpha.-olefin copolymer having a propylene content of 80 to 98% by weight, a butene-1 content of 2 to 20% by weight, and an ethylene content of 0 to 5% by weight, and 5 to 30% by weight of (B) a crystalline propylene-butene-1 copolymer which is a copolymer obtained by decomposing a crystalline propylene-butene-1 copolymer having a butene-1 content of 25 to 45% by weight, an intrinsic viscosity of 2.5 dl/g or more as determined in tetralin at 135.degree. C., and a proportion of 35% by weight or more of a polymer component soluble in xylene at 20.degree. C., and containing 1.5% by weight or less of a polymer component having a molecular weight calculated in terms of polystyrene of 10,000 or less as determined by GPC.
    • 一种聚丙烯多层膜,其包含由结晶聚丙烯形成的基材层和层压在所述基材层的至少一侧上的组合物,所述组合物包含70-95重量%的(A)结晶丙烯 - 乙烯共聚物,其具有 乙烯含量为1.5〜6.0重量%,和/或丙烯含量为80〜98重量%,丁烯-1含量为2〜20重量%的结晶性丙烯-α-烯烃共聚物,乙烯含量为 0至5重量%,和5至30重量%的(B)结晶丙烯 - 丁烯-1共聚物,其是通过将丁烯-1含量为25的结晶丙烯 - 丁烯-1共聚物分解得到的共聚物, 45重量%,在135℃下在四氢化萘中测定的特性粘度为2.5dl / g以上,在20℃下可溶于二甲苯的聚合物成分的比例为35重量%以上, 1.5重量%以下的具有分子量的聚合物组分 以GPC测定的聚苯乙烯换算为10,000以下。
    • 8. 发明授权
    • Propylene-ethylene copolymer having improved stretchability
    • 具有改善的拉伸性的丙烯 - 乙烯共聚物
    • US4414373A
    • 1983-11-08
    • US399146
    • 1982-07-16
    • Akinobu ShigaKiyoshi MatsuyamaMasahiro KakugoYukio NaitoSeiichiro ImaKatsuyoshi Yamashita
    • Akinobu ShigaKiyoshi MatsuyamaMasahiro KakugoYukio NaitoSeiichiro ImaKatsuyoshi Yamashita
    • C08F4/00C08F2/00C08F4/60C08F4/64C08F10/00C08F10/06C08F210/00C08F210/06C08F210/16
    • C08F210/06
    • In a process for producing polypropylene comprising polymerizing propylene in the presence of hydrogen and a catalyst system comprising (A) titanium trichloride obtained by reducing titanium tetrachloride with an organoaluminum compound and reacting the reduced solid with an ether represented by the formula:R.sup.1 --O--R.sup.2wherein R.sup.1 and R.sup.2 are defined hereinbefore, and a halogen compound selected from the group consisting of (i) halogen or interhalogen compounds of the formula, X.sup.1 X.sup.2.sub.a (wherein X.sup.1, X.sup.2 and a are defined hereinbefore), (ii) titanium halides, and (iii) organic halogen compounds, simultaneously or successively and (B) an organoaluminum compound, the improvement which comprises supplying ethylene together with propylene to the polymerization system such that the ethylene concentration in the vapor phase of the system based on the total amount of propylene, ethylene and hydrogen in the vapor phase of the system is 0.15 to 1.5 mol % to obtain a propylene-ethylene copolymer having an ethylene content of from 0.1 to 1.0 wt % is disclosed. The propylene-ethylene copolymer is improved in stretchability.
    • 在制备聚丙烯的方法中,包括在氢气存在下聚合丙烯和催化剂体系,所述催化剂体系包含(A)通过用有机铝化合物还原四氯化钛获得的三氯化钛,并将还原的固体与由下式表示的醚反应:R1-O- 其中R 1和R 2如上定义,卤素化合物选自(ⅰ)卤素或下式的卤代化合物:X1X2a(其中X1,X2和a定义如前),(ⅱ)卤化钛和 (iii)有机卤素化合物,同时或相继和(B)有机铝化合物,其改进包括将乙烯与丙烯一起供应到聚合体系中,使得基于丙烯总量的体系的气相中的乙烯浓度 ,系统的气相中的乙烯和氢为0.15〜1.5摩尔%,得到丙烯 - 乙烯共聚物 公开了乙烯含量为0.1〜1.0重量%。 丙烯 - 乙烯共聚物的拉伸性提高。
    • 9. 发明授权
    • Process for producing propylene-ethylene block copolymers
    • 制备丙烯 - 乙烯嵌段共聚物的方法
    • US4254237A
    • 1981-03-03
    • US30523
    • 1979-04-16
    • Akinobu ShigaMasahiro KakugoHajime SadatoshiKazuki WakamatsuHiroshi Yoshioka
    • Akinobu ShigaMasahiro KakugoHajime SadatoshiKazuki WakamatsuHiroshi Yoshioka
    • C08F297/00C08F297/08
    • C08F297/086
    • A process for producing propylene-ethylene block copolymers by a three-step polymerization technique using a stereoregular catalyst, characterized in that the first-step polymerization is carried out by supplying propylene alone or a propylene/ethylene mixture so that the ethylene/propylene reaction ratio is 6/94 or less, thereby polymerizing 60 to 95% by weight of the total polymerization amount, the second-step polymerization is carried out by supplying a propylene/ethylene mixture so that the ethylene/propylene reaction ratio is 15/85 to 79/21, thereby polymerizing 1 to 20% by weight of the total polymerization amount, and the third-step polymerization is carried out by supplying a propylene/ethylene mixture so that the ethylene/propylene reaction ratio is 50/50 to 89/11, thereby polymerizing 4 to 35% by weight of the total polymerization amount, with the ethylene/propylene reaction ratio in the third step made larger than that in the second step. Said process can give propylene-ethylene block copolymers markedly well balanced in impact strength, stiffness, transparency and impact blushing.
    • 一种通过使用立体规则催化剂的三步聚合技术制备丙烯 - 乙烯嵌段共聚物的方法,其特征在于第一步聚合是通过仅供应丙烯或丙烯/乙烯混合物进行的,以使乙烯/丙烯反应比 为6/94以下,由此聚合60〜95重量%的总聚合量,第二步聚合是通过供给丙烯/乙烯混合物进行的,以使乙烯/丙烯反应比为15/85〜79 / 21,由此聚合1至20重量%的总聚合量,第三步聚合通过供应丙烯/乙烯混合物进行,使得乙烯/丙烯反应比为50/50至89/11, 从而聚合4〜35重量%的总聚合量,第3步骤中的乙烯/丙烯反应比例大于第2步骤。 所述方法可以使丙烯 - 乙烯嵌段共聚物在冲击强度,刚度,透明度和冲击冲刷中显着地平衡。