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    • 2. 发明授权
    • Propylene homopolymer and propylene copolymer
    • 丙烯均聚物和丙烯共聚物
    • US06794476B2
    • 2004-09-21
    • US10070442
    • 2002-03-19
    • Shuji MachidaTakashi SaekiTomio Tatsumi
    • Shuji MachidaTakashi SaekiTomio Tatsumi
    • C08F11006
    • C08F110/06C08F210/06C08L23/02C08L23/10C08L23/12C08L2666/04C08F2500/11C08F2500/12
    • Provided are a propylene homopolymer in which a melt tension (MT), a Z average molecular weight (Mz) and a melt index (MI) (g/10 minutes) are specifically related and in which a difference in eluting temperatures and a maximum eluting temperature in programmed temperature fractional chromatography and a propylene copolymer in which a comonomer is specific &agr;-olefin and a content thereof falls in a specific range and in which a melt tension (MT), a Z average molecular weight (Mz) and a melt index (MI) (g/10 minutes) are specifically related. The propylene homopolymer or the propylene copolymer of the present invention has physical properties equivalent to or not lower than those of conventional propylene polymers, and it can be controlled in a melt tension and is suited to foaming molding, sheet molding and blow molding. Further, it is excellent in melt-processing characteristics, molding stability and a recycling property and can be applied to molding methods which are restricted in use in conventional propylene polymers, for example, large size blow molding and extrusion foaming molding.
    • 提供了其中熔体张力(MT),Z平均分子量(Mz)和熔体指数(MI)(g / 10分钟)特别相关的丙烯均聚物,其中洗脱温度和最大洗脱 程序温度分数色谱中的温度和丙烯共聚物,其中共聚单体是特定α-烯烃,其含量在特定范围内,其中熔体张力(MT),Z平均分子量(Mz)和熔体指数 (MI)(g / 10分钟)具体相关。 本发明的丙烯均聚物或丙烯共聚物具有与常规丙烯聚合物相同或不低于其特性的物理性质,并且可以以熔体张力控制,并且适于发泡成型,片状成型和吹塑。 此外,其熔融加工特性,成型稳定性和再循环性优异,可用于常规丙烯聚合物中使用的成型方法,例如大型吹塑和挤出发泡成型。
    • 3. 发明授权
    • Ethylenic copolymer, composition containing said copolymer, and ethylenic copolymer film
    • 乙烯共聚物,含有所述共聚物的组合物和乙烯类共聚物膜
    • US06441116B1
    • 2002-08-27
    • US09419920
    • 1999-10-18
    • Haruo ShikumaShuji MachidaMotoharu IshikawaShinichi Kurokawa
    • Haruo ShikumaShuji MachidaMotoharu IshikawaShinichi Kurokawa
    • C08F21016
    • C08J5/18C08F210/16C08J2323/08C08L23/0815C08L2205/02C08L2314/06C08L2666/04C08F210/14C08F2500/12C08F2500/03C08F2500/10C08F2500/26
    • A film formed of an ethylenic copolymer having Mw/Mn of 1.5 to 4, Mw of 3,000 to 1,000,000, and a resin density of 0.85 to 0.95 g/cm3. In the copolymer compositional distribution curve, the relationship between the half width at the half maximum [W/2] of the Gaussian distribution curve, and the average, n, of short-chain branches in the copolymer satisfies the equation, 0.704+0.147n≦W/2≦−0.055+0.577n. The tear strength (TS, kgf/cm) of the copolymer satisfies equations, TS≧131.5−155×log[{(B+C+D)/A}+0.1], and 0.1≦(B+C+D)/A≦1 where A is the area surrounding the Gaussian distribution curve and the base line of the compositional distribution curve; B is the area surrounding the compositional distribution curve, the curve obtained through Gaussian distribution approximation, and the base line, B being at an elution temperature higher than 32° C.; C is the area surrounding the essential peak, Gaussian distribution approximation curve, and the base line; and D is the area surrounding the compositional distribution curve and the base line and falling within an elution temperature range between 25 and 32° C. indicating a high branch component.
    • 由Mw / Mn为1.5〜4,Mw为3,000〜1,000,000,树脂密度为0.85〜0.95g / cm 3的乙烯系共聚物形成的薄膜。 在共聚物组成分布曲线中,共聚物中的高分子量分布曲线的半值半值宽度(W / 2)与短链支链的平均值之间的关系满足下式:0.704 + 0.147n <= W / 2 <= - 0.055 + 0.577n。 共聚物的撕裂强度(TS,kgf / cm)满足等式,其中A为高斯分布曲线和组成分布曲线基线的面积。 B是围绕组成分布曲线的区域,通过高斯分布近似获得的曲线,基线B的洗脱温度高于32℃; C是围绕主要峰值的区域,高斯分布近似曲线和基线; D是围绕组成分布曲线和基线的区域,并且在25至32℃之间的洗脱温度范围内,表示高分支组分。
    • 4. 发明授权
    • Branched ethylenic macromonomer and its polymer
    • 分支乙烯大分子单体及其聚合物
    • US06169154A
    • 2001-01-02
    • US09344806
    • 1999-06-25
    • Shuji MachidaMasahiro MitaniMasami WatanabeNobuhiro Yabunouchi
    • Shuji MachidaMasahiro MitaniMasami WatanabeNobuhiro Yabunouchi
    • C08F11002
    • C08F10/02C08F4/65912C08F4/6592C08F8/04C08F10/00C08F110/02C08F210/02C08F210/16Y10S526/943C08F4/65927C08F210/14C08F2500/02C08F2500/23C08F212/08C08F2500/17C08F2500/03C08F210/08C08F2500/14
    • There are herein disclosed a branched ethylenic macromonomer which can function as a comonomer to provide a copolymer having excellent molding and working properties and which can be hydrogenated to provide a hydrogenated product as a wax useful in various uses, a copolymer having the excellent molding and working properties obtainable by using this macromonomer as a comonomer, and a branched ethylenic polymer having a low-molecular weight obtainable by hydrogenating the macromonomer. The branched ethylenic macromonomer of the present invention is derivable from ethylene singly or derivable from ethylene and another olefin, (a) a molar ratio of a terminal methyl group/a vinyl group in the macromonomer being in the range of 1 to 100, the macromonomer having a branch other than the branch directly derived from the other olefin, (b) a ratio of vinyl groups to the total unsaturated groups in the macromonomer being 70 mol % or more, (c) a weight-average molecular weight of the macromonomer in terms of a polyethylene measured by a GPC being in the range of 100 to 20,000.
    • 本文公开了一种支链乙烯性大分子单体,其可以用作共聚单体以提供具有优异的模塑和加工性能的共聚物,并且其可以被氢化以提供可用于各种用途的蜡的氢化产物,具有优异的模塑和加工的共聚物 通过使用该大分子单体作为共聚单体可获得的性质,以及通过氢化大分子单体可获得的具有低分子量的支链烯属聚合物。 本发明的支链乙烯性大分子单体可单独衍生自乙烯或可衍生自乙烯和另一种烯烃的乙烯基,(a)大分子单体中的末端甲基/乙烯基的摩尔比在1〜100的范围内,大分子单体 具有直接衍生自其它烯烃的分支以外的分支,(b)大分子单体中乙烯基与总不饱和基团的比例为70摩尔%以上,(c)大分子单体的重均分子量 通过GPC测量的聚乙烯的用量在100至20,000的范围内。
    • 5. 发明授权
    • Olefin copolymer and process for preparing same
    • 烯烃共聚物及其制备方法
    • US5608009A
    • 1997-03-04
    • US424384
    • 1995-04-28
    • Shuji MachidaHaruo ShikumaToshinori TazakiTomio TatsumiShinichi Kurokawa
    • Shuji MachidaHaruo ShikumaToshinori TazakiTomio TatsumiShinichi Kurokawa
    • C08F8/04C08F210/00C08F210/02C08F210/06C08F210/16C08F210/18C08F255/00C08F255/02C08F255/08C08F279/02
    • C08F255/00C08F210/00C08F210/02C08F210/06C08F210/18C08F8/04C08F210/16
    • There are herein disclosed an olefin copolymer which comprises an olefin unit and a diolefin unit and in which a weight-average molecular weight is in the range of 200 to 800,000, the content of the diolefin unit is in the range of 0.002 to 30 mol%, and a ratio TUS/DOU between the total content of unsaturated groups observed in a molecular chain (TUS mol%) and the content of the diolefin unit (DOU mol%) is in the range of 0.001 to 200; an olefin graft copolymer obtained by the graft polymerization of this olefin copolymer and an olefin; a hydrogenated olefin copolymer and olefin graft copolymer thereof; and a process for preparing these copolymers.These olefin copolymers are excellent in molding/working properties and have a good thermal stability, transparency and uniformity. Therefore, they are useful as a high-performance VLDPE, LDPE, L-LDPE and HDPE, and further useful as a novel branched propylene polymer, a thermoplastic elastomer, a compatibilizing agent for other resins, and the like.
    • PCT No.PCT / JP93 / 01556 Sec。 371日期:1995年4月28日 102(e)日期1995年4月28日PCT提交1993年10月28日PCT公布。 公开号WO94 / 10216 PCT 日期1994年5月11日本文公开了一种烯烃共聚物,其包含烯烃单元和二烯烃单元,其中重均分子量在200至800,000的范围内,二烯烃单元的含量在0.002 至30摩尔%,在分子链中观察到的不饱和基团的总含量(TUS摩尔%)与二烯烃单元的含量(D摩尔%)之间的比TUS / DOU在0.001〜200的范围内; 通过该烯烃共聚物和烯烃的接枝聚合得到的烯烃接枝共聚物; 氢化烯烃共聚物及其烯烃接枝共聚物; 以及这些共聚物的制备方法。 这些烯烃共聚物的成型/加工性能优异,并且具有良好的热稳定性,透明性和均匀性。 因此,它们可用作高性能VLDPE,LDPE,L-LDPE和HDPE,并且还可用作新型支化丙烯聚合物,热塑性弹性体,其它树脂的相容剂等。
    • 8. 发明授权
    • Process for producing styrenic copolymer
    • 苯乙烯共聚物的制备方法
    • US5475061A
    • 1995-12-12
    • US259166
    • 1994-06-13
    • Shuji MachidaToshinori Tazaki
    • Shuji MachidaToshinori Tazaki
    • C08F2/44C08F4/64C08F212/04C08F212/08C08F297/06
    • C08F212/04
    • There are disclosed a styrenic copolymer which comprises at least one structural unit represented by the general formula (I) ##STR1## and a structural unit represented by the general formula (II) ##STR2## or a structural unit represented by the general formula (IX) ##STR3## wherein the symbols are each as previously defined in the specification, the structural unit (II) or (IX) being contained in an amount of 0.01 to 99.9 mol %; and a process for the production of the above copolymer.The above styrenic copolymer has a high degree of syndiotactic configuration in the stereoregularity of the main chain of the structural unit (I) as well as adhesivity and compatibility with a resin of a different type.
    • 公开了一种苯乙烯共聚物,其包含由通式(I)表示的至少一个结构单元(I)和由通式(II)表示的结构单元(II)或表示的结构单元 通式(IX)其中符号各自如说明书中先前定义,结构单元(II)或(IX)的含量为0.01至99.9mol%; 以及制备上述共聚物的方法。 上述苯乙烯共聚物在结构单元(I)的主链的立构规整性以及与不同类型的树脂的粘合性和相容性方面具有高程度的间同构型。
    • 9. 发明授权
    • Graft copolymer, process for production thereof and resin composition
containing same
    • 接枝共聚物,其制备方法和含有它们的树脂组合物
    • US5418276A
    • 1995-05-23
    • US280740
    • 1994-07-26
    • Shuji MachidaNoriyuki Tani
    • Shuji MachidaNoriyuki Tani
    • C08F290/04C08L51/04C08F4/602C08F255/06C08L51/06
    • C08F290/044Y10S526/943
    • There are disclosed a graft copolymer formed by grafting a styrenic monomer onto a high polymer having double bonds in the side chain to constitute highly syndiotactic polystyrenic chain as the graft component, the graft copolymer having a content of graft component of 0.005 to 99% by weight and a reduced viscosity of 0.01 to 30 dl/g as measured at a concentration of 0.05 g/dl in 1,2,4-trichlorobenzene at 135.degree. C. or a melt index of 0.001 to 500 g/10 minutes as measured at 300.degree. C. under a load of 2.16 kg; a process for efficiently producing the above graft copolymer using a catalyst comprising specific components; and a resin composition comprising the above graft copolymer, a highly syndiotactic styrenic polymer or other thermoplastic resin and, when necessary, an inorganic or organic filler. The above graft copolymer and resin composition are excellent in resistance to heat and chemicals, electrical properties, moldability, compatibility, impact resistance, etc.
    • 公开了一种接枝共聚物,该接枝共聚物是通过将苯乙烯类单体接枝在侧链上具有双键的高分子上构成高度间同立构的聚苯乙烯链作为接枝组分,接枝共聚物的接枝成分含量为0.005-99重量% 并且在135℃下在1,2,4-三氯苯中以0.05g / dl的浓度测量的0.01至30dl / g的比浓粘度或在300℃下测量的熔体指数为0.001至500g / 10分钟 在2.16公斤的负荷下; 使用包含特定组分的催化剂有效生产上述接枝共聚物的方法; 以及包含上述接枝共聚物,高间规苯乙烯类聚合物或其它热塑性树脂的树脂组合物,并且在必要时包含无机或有机填料。 上述接枝共聚物和树脂组合物的耐热性和耐化学性,电性能,成型性,相容性,耐冲击性等优异。
    • 10. 发明授权
    • Aryl styrene-based copolymer
    • 芳基苯乙烯基共聚物
    • US5403908A
    • 1995-04-04
    • US56588
    • 1993-04-30
    • Masami WatanabeShuji MachidaSatoshi Asahi
    • Masami WatanabeShuji MachidaSatoshi Asahi
    • C08F12/04C08F212/32
    • C08F12/04C08F4/65912
    • The present invention provides an aryl styrene-based polymer of a degree of polymerization of at least 5 having recurring units represented by the general formula ##STR1## in the formula, R.sup.1 to R.sup.5 each denote a hydrogen atom, halogen atom or substituent group containing at least either one kind of a carbon atom, oxygen atom, nitrogen atom, sulfur atom, phosphorus atom, selenium atom, silicon atom and tin atom and at least one of the R.sup.1 to R.sup.5 denotes an aryl group having a hydrogen atom, aryl group having a halogen atom or aryl group having a substituent group containing at least either one kind of a carbon atom, oxygen atom, nitrogen atom, sulfur atom, phosphorus atom, selenium atom, silicon atom and tin atom, of which the stereospecificity is a mainly syndiotactic configuration and a method for the preparation thereof as well as a styrene-based copolymer and a method for the preparation thereof.The aryl styrene-based copolymer of the-present invention has a high syndiotacticity and is excellent in the heat resistance, resistance against chemicals and electric properties.Further, the styrene-based copolymer of the present invention has a high syndiotacticity and, in addition, has a wide temperature range suitable for melt molding or is excellent in the heat resistance.Accordingly, the present invention can be effectively utilized as heat-resistant resins, base materials of films and the like.
    • 本发明提供一种聚合度至少为5的芳族苯乙烯基聚合物,其具有式中通式(I)[I]表示的重复单元,R1至R5各自表示氢原子,卤原子或取代基 含有至少一种碳原子,氧原子,氮原子,硫原子,磷原子,硒原子,硅原子和锡原子的基团,并且R 1至R 5中的至少一个表示具有氢原子的芳基, 具有卤素原子的芳基或具有至少含有碳原子,氧原子,氮原子,硫原子,磷原子,硒原子,硅原子和锡原子中的一种的取代基的芳基,立体定向性为 主要是间同立构构型及其制备方法以及苯乙烯基共聚物及其制备方法。 本发明的芳基苯乙烯类共聚物具有高的间同立构规整性,耐热性,耐化学性和电性能优异。 此外,本发明的苯乙烯系共聚物具有高的间同立构规整度,另外,具有适合于熔融成型的宽温度范围或耐热性优异。 因此,本发明可以有效地用作耐热树脂,膜的基材等。