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74 条记录 (耗时 0.024 秒)

    Fluorinated ethylene/alpha-olefin copolymers
    1.
    发明授权
    Fluorinated ethylene/alpha-olefin copolymers 失效
    氟化乙烯/α-烯烃共聚物

    公开(公告)号：US4904743A

    公开(公告)日：1990-02-27

    申请号：US235001

    申请日：1988-08-22

    申请人： Akira Sano ,  Motohiko Yoshizumi ,  Nobuya Takenuki ,  Kazuo Matsuura

    发明人： Akira Sano ,  Motohiko Yoshizumi ,  Nobuya Takenuki ,  Kazuo Matsuura

    IPC分类号： C08F8/20 ,  C08F8/22

    CPC分类号： C08F8/22

    摘要： A modified olefinic polymer is obtained by fluorinating an ethylene/.alpha.-olefin copolymer having the following properties (i) to (iv), said ethylene/.alpha.-olefin copolymer being prepared by copolymerizing ethylene and an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst comprising a solid catalyst component and an organoaluminum compound, said solid catalyst component containing at least magnesium and titanium:(i) Melt index: 0.01-100 g/10 min(ii) Density: 0.860-0.910 g.cm.sup.3(iii) Maximum peak temperature (Tm) as measured according to a differential scanning calorimetry (DSC) should be not lower than 100.degree. C.(iv) Insolubles in boiling n-hexane should be not less than 10% by weight.

    Polyethylene resin composition
    3.
    发明授权
    Polyethylene resin composition 失效

    公开(公告)号：US4910257A

    公开(公告)日：1990-03-20

    申请号：US324600

    申请日：1989-03-16

    申请人： Akira Sano ,  Motohiko Yoshizumi ,  Hiroki Hirata ,  Kazuo Mtsuura ,  Hisahiko Suyama

    发明人： Akira Sano ,  Motohiko Yoshizumi ,  Hiroki Hirata ,  Kazuo Mtsuura ,  Hisahiko Suyama

    IPC分类号： C08L23/06 ,  C08F8/20 ,  C08L23/04 ,  C08L23/26 ,  C08L23/28

    CPC分类号： C08L23/04 ,  C08L23/06 ,  C08L23/0815 ,  C08L51/06

    摘要： A polyethylene resin composition comprising: (A) 50-99.9 parts by weight of an ethylene polymer; and (B) 0.1-50 parts by weight of a modified ethylene-.alpha.-olefin copolymer obtained by fluorinating an ethylene-.alpha.-olefin copolymer having the following properties (i) to (iv), said ethylene-.alpha.-olefin copolymer being prepared by copolymerizing ethylene with an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst comprising a solid catalyst component and an organoaluminum compound, said catalyst component containing at least magnesium and titanium:______________________________________ (i) Melt index 0.01-100 g/10 min (ii) Density 0.860-0.910 g/cm.sup.3 (iii) Maximum peak tempera- not lower than 100.degree. C. ture (Tm) as measured according to differential scanning calorimetry (DSC) (iv) Boiling n-hexane insolu- not lower than 10 wt. % bles content ______________________________________

    Process for producing polyethylene of ultrahigh molecular weight
    4.
    发明授权
    Process for producing polyethylene of ultrahigh molecular weight 失效
    生产超高分子量聚乙烯的方法

    公开(公告)号：US4923935A

    公开(公告)日：1990-05-08

    申请号：US302564

    申请日：1989-01-26

    申请人： Akira Sano ,  Shigeki Yokoyama ,  Yasunosuke Miyazaki ,  Tetsujiro Kuroishi ,  Kazuo Matsuura

    发明人： Akira Sano ,  Shigeki Yokoyama ,  Yasunosuke Miyazaki ,  Tetsujiro Kuroishi ,  Kazuo Matsuura

    IPC分类号： C08F10/00 ,  C08F2/38 ,  C08F4/00 ,  C08F4/60 ,  C08F4/64 ,  C08F4/654 ,  C08F8/00 ,  C08F10/02

    CPC分类号： C08F10/02 ,  C08F10/00

    摘要： A process for producing polyethylene of ultrahigh molecular weight having an intrinsic viscosity of 10-30 dl/g at 135.degree. C. in decalin is disclosed which comprises at least the following two stages of polymerization reaction: (a) a first reaction stage where in ethylene is polymerized with use of a catalyst comprising a solid component containing at least Mg, Ti and/or Va and in the absence or presence of hydrogen of reduced concentration to produce 70-99.5 weight parts of polyethylene having an intrinsic viscosity of 12-32 dl/g at 135.degree. C. in decalin; and (b) a second reaction stage wherein a fresh feed of ethylene is polymerized in the presence of hydrogen of higher concentration to produce 30-0.5 weight parts of polyethylene having an intrinsic viscosity of 0.1-5 dl/g at 135.degree. C. in decalin.

    摘要翻译： 公开了在135℃下在十氢萘中生产特性粘度为10-30dl / g的超高分子量聚乙烯的方法，其至少包括以下两个阶段的聚合反应：（a）第一反应阶段，其中在 使用包含至少含有Mg，Ti和/或Va的固体组分的催化剂和在还原浓度不存在或不存在的情况下使乙烯聚合，得到70-99.5重量份的特性粘度为12-32的聚乙烯 dl / g，135℃，十氢化萘; 和（b）第二反应阶段，其中乙烯的新鲜进料在较高浓度的氢气存在下聚合，以在135℃下产生特性粘度为0.1-5dl / g的30至0.5重量份的聚乙烯 十氢化萘

    Ultra-high-molecular-weight polyethylene solution
    6.
    发明授权
    Ultra-high-molecular-weight polyethylene solution 失效
    超高分子量聚乙烯溶液

    公开(公告)号：US4767819A

    公开(公告)日：1988-08-30

    申请号：US70545

    申请日：1987-07-07

    申请人： Shigeki Yokoyama ,  Michiaki Torii ,  Kazuo Matsuura ,  Akira Sano

    发明人： Shigeki Yokoyama ,  Michiaki Torii ,  Kazuo Matsuura ,  Akira Sano

    IPC分类号： C08L23/04 ,  C08J3/09 ,  C08L23/00 ,  C08L91/00 ,  C10G67/06 ,  D01F6/04 ,  C08L23/06

    CPC分类号： D01D1/02 ,  C08J3/092 ,  C10G67/06 ,  D01F6/04 ,  C08J2323/06

    摘要： 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.

    摘要翻译： 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。

    Process for the production of polyolefins
    8.
    发明授权
    Process for the production of polyolefins 失效
    生产聚烯烃的方法

    公开(公告)号：US5916982A

    公开(公告)日：1999-06-29

    申请号：US722516

    申请日：1996-09-27

    申请人： Osamu Nakazawa ,  Akira Sano ,  Kazuo Matsuura

    发明人： Osamu Nakazawa ,  Akira Sano ,  Kazuo Matsuura

    IPC分类号： C08F4/619 ,  C08F4/6192 ,  C08F4/64 ,  C08F10/00

    CPC分类号： C08F10/00 ,  C08F4/61912 ,  C08F4/61916 ,  C08F4/61922 ,  Y10S526/943

    摘要： 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).

    摘要翻译： 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。

    Solid catalyst components for olefin polemerization and use thereof
    9.
    发明授权
    Solid catalyst components for olefin polemerization and use thereof 失效
    用于烯烃聚合的固体催化剂组分及其用途

    公开(公告)号：US5604170A

    公开(公告)日：1997-02-18

    申请号：US199561

    申请日：1994-02-22

    申请人： Akira Sano ,  Kunimichi Kubo ,  Kazuo Matsuura ,  Yoshio Tajima

    发明人： Akira Sano ,  Kunimichi Kubo ,  Kazuo Matsuura ,  Yoshio Tajima

    IPC分类号： C08F4/646 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F110/06 ,  C08F210/16 ,  C08F4/64

    CPC分类号： C08F10/00 ,  C08F110/06 ,  C08F210/16 ,  C08F4/65904 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925

    摘要： An effective catalyst carrier for use in the polymerization of olefins is provided.Said carrier comprises particles of silicon oxide or aluminum oxide satisfying the following characteristics (A) to (E):(A) An average particle diameter as measured by the sieving method is in the range of 20 to 150 .mu.m.(B) A specific surface area as measured by the BET method is in the range of 150 to 600 m.sup.2 /g.(C) The volume of pores ranging in pore radius from 18 to 1,000 Angstroms as measured by the mercury penetration method is in the range of 0.3 to 2.0 cm.sup.3 /g.(D) An apparent specific gravity as measured according to JIS K6220-6.8 is not lower than 0.32.(E) After the particles classified in the range of between 53 .mu.m and 75 .mu.m by the sieving method have been subjected to an ultrasonic disintegration treatment at 40 KHz, 35 W, for 20 minutes, the proportion of 50 .mu.m or smaller particles, i.e., degree of ultrasonic disintegration, is not more than 30%.

    摘要翻译： 提供了一种用于烯烃聚合的有效催化剂载体。 所述载体包含满足以下特征（A）至（E）的氧化硅或氧化铝颗粒：（A）通过筛分方法测量的平均粒径为20-150μm。 （B）通过BET法测定的比表面积为150〜600m 2 / g的范围。 （C）通过水银渗透法测定的孔半径为18〜1000埃的孔的体积在0.3〜2.0cm 3 / g的范围内。 （D）根据JIS K6220-6.8测定的表观比重不低于0.32。 （E）通过筛分方法将分级在53μm至75μm范围内的颗粒在40KHz，35W，20分钟以上进行超声波分解处理，比例为50μm以上 颗粒，即超声崩解度不大于30％。