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
    • Process for preparing ethylene polymers
    • 制备乙烯聚合物的方法
    • US5013802A
    • 1991-05-07
    • US427941
    • 1989-10-25
    • Yoshio TajimaKazutosi NomiyamaYoshinori NishikitaniNobuyuki KurodaKazuo Matsuura
    • Yoshio TajimaKazutosi NomiyamaYoshinori NishikitaniNobuyuki KurodaKazuo Matsuura
    • C08F2/14C08F4/60C08F4/62C08F4/64C08F10/00C08F10/02C08F110/02C08F210/16
    • C08F10/02C08F10/00C08F110/02C08F210/16Y10S526/905
    • A process for preparing an ethylene polymer by a two-stage polymerization of ethylene or ethylene and an .alpha.-olefin in an inert hydrocarbon at 50.degree.-100.degree. C. using a coordination polymerization catalyst containing a solid component and an organoaluminum compound, said solid component containing a transition metal compound, which process comprises:(a) in a first stage, producing 10-90% by weight based on the total polymer quantity of a polymer having a melt index in the range of 0.0001 to 0.5 g/10 min as measured according to ASTM D 1238-73, Condition E, using as said solid component a solid product obtained by supporting chromium trioxide or a compound which on calcining forms chromium oxide at least partially, on an inorganic oxide carrier followed by calcining, and using as said organoaluminum compound a compound of the general formula ##STR1## wherein R is a hydrocarbon radical having 1 to 18 carbon atoms and n is 2.ltoreq.n.ltoreq.100; and(b) in a second stage, producing 90-10% by weight based on the total polymer quantity of a polymer having a melt index in the range of 0.01 to 50 g/10 min as measured according to ASTM D 1238-73, Condition E, using as said solid component a solid material containing at least magnesium and titanium, and using as said organoaluminum compound a compound of the general formula AlR'.sub.p X.sub.3-p wherein R' is a hydrocarbon radical having 1 to 20 carbon atoms, X is halogen and/or alkoxy and p is 0
    • 一种通过使用含有固体组分和有机铝化合物的配位聚合催化剂在50-100℃下在惰性烃中进行乙烯或乙烯和α-烯烃两步聚合制备乙烯聚合物的方法,所述固体 含有过渡金属化合物的组分,该方法包括:(a)在熔融指数在0.0001至0.5g / 10min范围内的聚合物的总聚合物量的第一阶段中,产生10-90重量% 根据ASTM D 1238-73,条件E测量,使用通过将无机氧化物载体上的三氧化铬或煅烧至少部分形成的氧化铬上的化合物或三价氧化物得到的固体产物作为所述固体成分进行煅烧,并使用 所述有机铝化合物是通式为“IMAGE”的化合物,其中R为具有1至18个碳原子的烃基,n为2
    • 4. 发明授权
    • Process for preparing polyolefins
    • 聚烯烃的制备方法
    • US4410670A
    • 1983-10-18
    • US45961
    • 1979-06-06
    • Yoshio TajimaKazuo MatsuuraNobuyuki KurodaMituji Miyoshi
    • Yoshio TajimaKazuo MatsuuraNobuyuki KurodaMituji Miyoshi
    • C08F10/00C08F4/66
    • C08F10/00
    • This invention provides a process for preparing polyolefins using a new catalyst. According to this invention, .alpha.-olefins can be polymerized or copolymerized to have good stereoregularity and at a high activity by the use of such new catalyst. The new catalyst used in this invention consists of [A] a solid component obtained by contacting (1) a magnesium oxide, (2) an aluminum trihalide, (3) a hydroxy compound represented by the general formula ROH wherein R is an organic radical having 1 to 20 carbon atoms and (4) a titanium halide and/or an addition product of a titanium halide and an aromatic carboxylic acid ester, and [B] an organometallic compound and/or an addition product of an organometallic compound and an aromatic carboxylic acid ester; or it consists of the solid component of the above [A], the organometallic compound and/or the addition product of an organometallic compound and an aromatic carboxylic acid ester of the above [B], and [C] an aromatic carboxylic acid ester. The said catalyst is prepared, in one of the most preferred embodiments thereof, by using the solid component of the above [A] which is obtained by first co-pulverizing the compounds of the above (1),(2) and (3), then washing the co-pulverized product with an aromatic compound, separating the liquid phase to give a solid substance (a) and contacting the latter with the compound and/or the addition product of the above (4).
    • 本发明提供使用新催化剂制备聚烯烃的方法。 根据本发明,通过使用这种新的催化剂,α-烯烃可以聚合或共聚以具有良好的立构规整性和高活性。 本发明中使用的新型催化剂由[A]一种固体组分组成,该固体组分通过使(1)氧化镁,(2)三卤化铝,(3)由通式ROH表示的羟基化合物,其中R是有机基团 具有1至20个碳原子和(4)卤化钛和/或卤化钛和芳族羧酸酯的加成产物,和[B]有机金属化合物和/或有机金属化合物和芳族化合物的加成产物 羧酸酯; 或者由上述[A]的固体组分,有机金属化合物和/或上述[B]的有机金属化合物和芳族羧酸酯的加成产物和[C]芳族羧酸酯组成。 所述催化剂在其最优选的实施方案之一中,通过使用上述[A]的固体成分,其是通过首先共混上述(1),(2)和(3)的化合物而获得的, ,然后用芳族化合物洗涤共粉碎产物,分离液相,得到固体物质(a),并使其与上述(4)的化合物和/或加成产物接触。
    • 5. 发明授权
    • Catalyst component for the polymerization of olefins
    • US5728641A
    • 1998-03-17
    • US464655
    • 1995-06-21
    • Fuyuki AidaYoshio TajimaKazuo Matsuura
    • Fuyuki AidaYoshio TajimaKazuo Matsuura
    • C08F4/60C08F4/619C08F4/649C08F4/658C08F4/659C08F4/6592C08F10/00
    • C08F10/00C08F4/61904C08F4/61912C08F4/61916C08F4/65904Y10S526/943
    • According to the present invention there are provided a catalyst component, a catalyst using the catalyst component and a process using the catalyst, for the preparation of olefin polymers high in molecular weight and relatively wide in molecular weight distribution, using an extremely small amount of a modified organoaluminum compound such as methylaluminoxane and in high yield. The catalyst component is prepared by contacting at least the following constituents (1), (2), (3) and (4) with one another: (1) a compound represented by the general formula Me.sup.1 R.sup.1.sub.p (OR.sup.2).sub.q X.sub.4-p-q where R.sup.1 and R.sup.2 are each independently a hydrocarbon group having 1 to 24 carbon atoms, X is a halogen atom, Me is Zr, Ti or Hf, p and q are each an integer in the ranges of 0.ltoreq.p.ltoreq.4 and 0.ltoreq.q.ltoreq.4, provided 0.ltoreq.p+q.ltoreq.4; (2) at least one compound selected from the group consisting of compounds represented by the following general formulas 1 to 4: General formula 1: Me.sup.2 R.sup.3.sub.m (OR.sup.4).sub.n X.sup.2.sub.z-m-n General formul 2: Me.sup.3 H.sub.2 R.sup.5.sub.3-a General formula 3: Me.sup.4 �Me.sup.3 H.sub.b R.sup.6.sub.c (OR.sup.7).sub.4-b-c !.sub.y General formula 4: ##STR1## where R.sup.3,R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8, which may be the same or different, are each independently a hydrocarbon group having 1 to 24 carbon atoms, Me.sup.2 is a Group 1, 2, 12 or 13 element in the Periodic Table of Elements, Me.sup.3 is a Group 13 element in the same Table, Me.sup.4 is a Group 1, 2, or 12 element in the same Table, X.sup.2 is a halogen atom, z is the valence of Me.sup.2, y is the valence of Me.sup.4, and m, n, a, b, c and d are each an integer in the ranges of 0.ltoreq.m.ltoreq.z, 0.ltoreq.n.ltoreq.z, provided 0.ltoreq.m+m.ltoreq.z, 0
    • 6. 发明授权
    • Catalyst component for the polymerization of olefins
    • 用于烯烃聚合的催化剂组分
    • US5556821A
    • 1996-09-17
    • US276898
    • 1994-07-19
    • Fuyuki AidaYoshio TajimaKazuo Matsuura
    • Fuyuki AidaYoshio TajimaKazuo Matsuura
    • C08F4/60C08F4/642C08F4/659C08F4/6592C08F4/74C08F10/00B01J31/00
    • C08F10/00C08F4/65912C08F4/6592
    • According to the present invention there is provide a catalyst capable of affording an olefin homopolymer or copolymer having a high molecular weight and a relatively wide molecular weight distribution, in high yield, using an extremely small amount of a modified organoaluminum compound (particularly methylaluminoxane).The catalyst comprises the modified organoaluminum compound and a catalyst component comprising the following compounds (1) and (2): (1) a compound represented by the general formula R.sub.p MX.sub.4-p where M is a transition metal of Group IVa in the Periodic Table, R is cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, or an aralkyl group having 7 to 24 carbon atoms, provided Rs may be bonded together through an alkylene groups having 2 to 8 carbon atoms and/or silylene group, X is a halogen atom, a hydrogen atom or a hydrocarbon residue having 1 to 24 carbon atoms, and p is a number satisfying the condition of 1.ltoreq.p.ltoreq.4; and (2) a compound containing carbon-fluorine bond.
    • 根据本发明,提供能够以极少量的改性有机铝化合物(特别是甲基铝氧烷)以高产率提供具有高分子量和相对较宽分子量分布的烯烃均聚物或共聚物的催化剂。 催化剂包含改性的有机铝化合物和包含以下化合物(1)和(2)的催化剂组分:(1)由通式RpMX4-p表示的化合物,其中M是元素周期表中IVa族的过渡金属, R是环戊二烯基,取代的环戊二烯基,茚基,取代的茚基或具有7至24个碳原子的芳烷基,其中R 5可以通过具有2-8个碳原子和/或亚甲硅基的亚烷基键合在一起,X是卤素原子 ,氢原子或碳原子数为1〜24的烃残基,p为满足1≤n≤4的条件的数。 和(2)含有碳 - 氟键的化合物。
    • 10. 发明授权
    • Olefin polymerization catalyst and process for preparing polyolefins
    • 烯烃聚合催化剂和制备聚烯烃的方法
    • US6077804A
    • 2000-06-20
    • US858120
    • 1997-05-19
    • Yoshio TajimaNaoki KataokaAkira SanoKazuo Matsuura
    • Yoshio TajimaNaoki KataokaAkira SanoKazuo Matsuura
    • C08F4/642C08F4/60C08F4/652C08F4/658C08F4/659C08F4/6592C08F10/00
    • C08F10/00C08F4/65904C08F4/65912C08F4/65916C08F4/6592
    • According to the present invention, there are provided a catalyst and a process for the preparation of polyolefins having a relatively wide molecular weight distribution, good particle properties, a narrow composition distribution in copolymerization and a high molecular weight and being less sticky. The catalyst is prepared by contacting the following constituents (1) to (4) with one another:(1) a compound represented by the general formula Me.sup.1 R.sup.1.sub.p (OR.sup.2).sub.q X.sub.4-p-q, where Me.sup.1 is Zr, Ti or Hf, R.sup.1 and R.sup.2 are each independently a hydrocarbon group having 1 to 24 carbon atoms, X is a halogen atom, p and q are each an integer in the ranges of 0.ltoreq.p.ltoreq.4 and 0.ltoreq.q.ltoreq.4 , provided 0.ltoreq.p+q.ltoreq.4;(2) a compound represented by the general formula Me.sup.2 R.sup.3.sub.m (OR.sup.4).sub.n X.sup.2.sub.z-m-n, where Me.sup.2 is a Group I-III element in the Periodic Table, R.sup.3 and R.sup.4 are each independently a hydrocarbon group having 1 to 24 carbon atoms, X.sup.2 is a halogen atom or a hydrogen atom, provided when X.sup.2 is a hydrogen atom, Me.sup.2 is a Group III element in the Periodic Table, z is the valence of Me.sup.2, m and n are each an integer in the ranges of 0.ltoreq.m.ltoreq.z, and 0.ltoreq.n.ltoreq.z, provided 0.ltoreq.m+n.ltoreq.z;(3) an organocyclic compound having conjugated double bonds; and(4) a modified organoaluminum compound containing Al--O--Al bond, and thereafter contacting the resulting contact reaction product with the following component (5):(5) an inorganic carrier and/or a particulate polymer carrier.
    • 根据本发明,提供了一种催化剂和制备具有较宽分子量分布,良好的颗粒性能,窄的共聚合成分布和高分子量且不易粘的聚烯烃的方法。 通过使下述成分(1)〜(4)彼此接触来制备催化剂:(1)由通式Me1R1p(OR2)qX4-pq表示的化合物,其中Me1为Zr,Ti或Hf,R1和R2 各自独立地为具有1〜24个碳原子的烃基,X为卤素原子,p和q各自为0≤p≤4且0≤q≤4的整数, 提供0