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
    • 1. 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
    • 5. 发明授权
    • Ultra-high-molecular-weight polyethylene solution
    • 超高分子量聚乙烯溶液
    • US4767819A
    • 1988-08-30
    • US70545
    • 1987-07-07
    • Shigeki YokoyamaMichiaki ToriiKazuo MatsuuraAkira Sano
    • Shigeki YokoyamaMichiaki ToriiKazuo MatsuuraAkira Sano
    • C08L23/04C08J3/09C08L23/00C08L91/00C10G67/06D01F6/04C08L23/06
    • D01D1/02C08J3/092C10G67/06D01F6/04C08J2323/06
    • The present invention provides an ultra-high-molecular-weight polyethylene solution which is produced by the steps of subjecting a kerosene fraction having a boiling point of 160.degree. to 300.degree. C. to a nucleus hydrogenation treatment at a pressure of 30 to 100 kg/cm.sup.2 at a temperature of 100.degree. to 300.degree. C. in the presence of a metallic catalyst for nucleus hydrogenation of aromatic nuclei; separating and removing at least a part of n-paraffins present in the kerosene therefrom by the use of a molecular sieve made up of a synthesized zeolite in order to obtain a residual oil; fractionating the latter by a rectification apparatus to obtain a hydrocarbon mixture fraction which has a boiling point of 180.degree. to 250.degree. C. and which is substantially free from naphthalene and biphenyl; and dissolving, in the hydrocarbon mixture fraction, an ultra-high-molecular-weight polyethylene having an intrinsic viscosity of 8 or more in decalin at 135.degree. C.
    • 本发明提供了一种超高分子量聚乙烯溶液,其通过以下步骤制备:使沸点为160〜300℃的煤油馏分在30〜100kg的压力下进行核氢化处理 在金属催化剂存在下,在100〜300℃的温度下,芳族核的核氢化; 通过使用由合成沸石构成的分子筛分离和除去存在于煤油中的至少一部分正链烷烃,以获得残油; 通过精馏装置对后者进行分馏,得到沸点为180-250℃,基本上不含萘和联苯的烃混合物馏分; 并在烃混合物馏分中,在135℃下在十氢化萘中溶解特性粘度为8以上的超高分子量聚乙烯。
    • 7. 发明授权
    • Process for the production of polyolefins
    • 生产聚烯烃的方法
    • US5916982A
    • 1999-06-29
    • US722516
    • 1996-09-27
    • Osamu NakazawaAkira SanoKazuo Matsuura
    • Osamu NakazawaAkira SanoKazuo Matsuura
    • C08F4/619C08F4/6192C08F4/64C08F10/00
    • C08F10/00C08F4/61912C08F4/61916C08F4/61922Y10S526/943
    • A process for the production of polyolefins is provided which comprises polymerizing or copolymerizing olefins in the presence of a catalyst composition which includes a catalyst component (I) resulting from mutual contact of sub-components (A) and (B), and a catalyst component (II). Sub-component (A) is of the formulaR.sup.1.sub.p Me.sup.1 X.sup.1.sub.4-p and/or R.sup.1.sub.2 Me.sup.1 X.sup.1'and sub-component (B) is a modified organoaluminum compound having Al--O--Al bonds. Catalyst component (II) is an admixture of sub-component (C), which is a transition metal elemental compound of Groups VII-VIII, and one or more of triethylaluminum, triisobutylaluminum, diethyl zinc, n-butyllithium, and butylmagnesiumchloride. The catalyst components (I) and/or (II) are contacted with a carrier during or after the preparation of the components (I) and/or (II).
    • 提供了一种生产聚烯烃的方法,其包括在催化剂组合物存在下聚合或共聚烯烃,所述催化剂组合物包括由副组分(A)和(B)的相互接触产生的催化剂组分(I)和催化剂组分 (二)。 亚组分(A)为式R1pMe1X14-p和/或R12Me1X1',亚组分(B)为具有Al-O-Al键的改性有机铝化合物。 催化剂组分(II)是次级组分(C)的混合物,其为第VII-VIII族的过渡金属元素化合物和三乙基铝,三异丁基铝,二乙基锌,正丁基锂和丁基氯化镁中的一种或多种。 在组分(I)和/或(II)的制备期间或之后,催化剂组分(I)和/或(II)与载体接触。
    • 9. 发明授权
    • Process for the production of olefinic polymers
    • 制备烯烃聚合物的方法
    • US06111040A
    • 2000-08-29
    • US17780
    • 1998-02-03
    • Hiroyuki ShimizuAkira SanoKazuo Matsuura
    • Hiroyuki ShimizuAkira SanoKazuo Matsuura
    • C08F4/658C08F4/659C08F4/6592C08F210/16C08F4/44
    • C08F210/16C08F4/65912C08F4/6592C08F4/65922Y10S526/943
    • A catalyst comprises a composition resulting from mutual contact of the following Components. (A), (B), (C) and (D):said Component (A) being a reaction product resulting from mutual contact of components (a), (b) and (c);said component (a) being represented by the formulaMe.sup.1 R.sup.1.sub.p (OR.sup.2).sub.q X.sup.1.sub.4-p-q Iwherein R.sup.1 and R.sup.2 each are a C.sub.1 -C.sub.24 hydrocarbon moieties, X.sup.1 is a hydrogen atom or a halogen atom, Me.sup.1 is titanium, zirconium or hafnium, p and q are 0.ltoreq.p.ltoreq.4, 0.ltoreq.q.ltoreq.4 and 0.ltoreq.p+q.ltoreq.4,said component (b) being represented by the formulaMe.sup.2 R.sup.3.sub.m (OR.sup.4).sub.n X.sup.2.sub.z-m-n IIwherein R.sup.3 and R.sup.4 each are a C.sub.1 -C.sub.2 4 hydrocarbon moieties, X.sup.2 is a hydrogen atom or a halogen atom, Me.sup.2 is an element of Groups I to III in the Periodic Table, z is a valence of Me.sup.2, and m and n are 0.ltoreq.m.ltoreq.z, 0.ltoreq.n.ltoreq.z and 0.ltoreq.m+n.ltoreq.z, and said component (c) being an organocyclic compound having two or more conjugated double bonds;said Component (B) being a modified organoaluminum compound having Al-O-Al bonds;said Component (C) being an organocyclic compound having two or more conjugated double bonds which is different from component (c); andsaid Component (D) being an inorganic carrier or particulate polymer carrier. The disclosed catalyst find extensive use in the manufacture of olefinic polymers having a relatively high molecular weight and a relatively wide molecular weight distribution as well as olefinic copolymers having a relatively narrow composition distribution.
    • 催化剂包含由以下组分的相互接触产生的组合物。 (A),(B),(C)和(D):所述组分(A)是由组分(a),(b)和(c)相互接触而产生的反应产物。 所述组分(a)由式Me1R1p(OR2)qX14-pq I表示,其中R1和R2各自为C1-C24烃部分,X1为氢原子或卤素原子,Me1为钛,锆或铪,p 并且q是0 = p