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    • 1. 发明专利
    • ETHYLENE-α-OLEFIN COPOLYMER
    • 乙烯-α-烯烃共聚物
    • JP2014070217A
    • 2014-04-21
    • JP2012220089
    • 2012-10-02
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • NOMURA JUNMATAKANO MASATONOZUE YOSHINOBU
    • C08F210/16C08F4/6592C08L23/08
    • PROBLEM TO BE SOLVED: To provide an ethylene-α-olefin copolymer from which a molding having an excellent appearance can be molded.SOLUTION: Provided is an ethylene-α-olefin copolymer of ethylene and an α-olefin having 3-20 carbon atoms satisfying all of the following requisites (A) through (G): (A) that a melt flow rate (MFR) is 0.01-100 g/10 min, (B) that density is 860-970 kg/m, (C) that a swell ratio (SR) is 1.7-2.3, (D) that a ratio of Z average molecular weight (Mz) with respect to weight-average molecular weight (Mw) (Mz/Mw) is 2.5-6.0, (E) that an elongational viscosity non-linear index k is 0.8-2.0, (F) that, at the time of monoaxial elongation of a molten resin under conditions of a temperature of 130°C and a strain rate of 1 s, the melt draw ratio leading to the rupture thereof is 2.7 or above, and (G) that characteristic relaxation time (τ) and the melt flow rate (MFR) satisfy a relation of the following formula: 3.0×MFR
    • 要解决的问题:提供可以模塑出具有优异外观的模塑品的乙烯-α-烯烃共聚物。解决方案:提供乙烯和具有3-20个碳原子的α-烯烃的乙烯-α-烯烃共聚物 满足以下所有条件(A)至(G):(A)熔体流动速率(MFR)为0.01-100g / 10min,(B)密度为860-970kg / m,(C) 溶胀比(SR)为1.7-2.3,(D)Z平均分子量(Mz)相对于重均分子量(Mw)(Mz / Mw)的比例为2.5-6.0,(E) 拉伸粘度非线性指数k为0.8-2.0(F),在温度130℃,应变速度1s的条件下,在熔融树脂的单轴拉伸时,熔体拉伸比 导致其破裂为2.7以上,(G)特性弛豫时间(τ)和熔体流动速率(MFR)满足下式的关系:3.0×MFR <τ<8.0×MFR。
    • 3. 发明专利
    • Polyethylene resin film
    • 聚乙烯树脂薄膜
    • JP2011162763A
    • 2011-08-25
    • JP2010255643
    • 2010-11-16
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • NOMURA JUNMANOZUE YOSHINOBUSEKINO AKIKO
    • C08L23/08C08J5/18C08L67/04C08L101/16
    • C08J5/18C08J2323/08C08J2467/04C08L23/0815C08L23/0884C08L51/06C08L67/04C08L2203/16C08L2205/03C08L2205/08C08L2666/18
    • PROBLEM TO BE SOLVED: To provide a polyethylene resin film having a good balance of impact strength, rigidity, and an incident light intensity reducing property, and having ease of cutting.
      SOLUTION: The polyethylene resin film is formed from a resin composition that contains a component (A), a component (B) and a component (C) described below. When the sum total of the component (A), the component (B) and the component (C) contained in the resin composition is taken as 100 mass%, the content of the component (A) is 18-40 mass%, the content of the component (B) is 55-77 mass%, and the content of the component (C) is 3-15 mass%, wherein the component (A) is an aliphatic polyester, the component (B) is an ethylene-α-olefin copolymer having a flow activation energy (Ea) of 45-100 kJ/mol, and the component (C) is a compatibilizer for the component (A) and the component (B).
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供冲击强度,刚性和入射光强度降低性能良好的平衡的聚乙烯树脂膜,并且易于切割。 解决方案:聚乙烯树脂膜由含有组分(A),组分(B)和下述组分(C)的树脂组合物形成。 当树脂组合物中包含的组分(A),组分(B)和组分(C)的总和为100质量%时,组分(A)的含量为18-40质量%, 成分(B)的含量为55〜77质量%,成分(C)的含量为3〜15质量%,成分(A)为脂肪族聚酯,(B)成分为乙烯 - 具有流动活化能(Ea)为45-100kJ / mol的α-烯烃共聚物和组分(C)是组分(A)和组分(B)的增容剂。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • ETHYLENE-α-OLEFIN COPOLYMER FOR FOAMING, RESIN COMPOSITION FOR FOAMING, AND FOAM
    • 用于发泡的乙烯-α-烯烃共聚物,用于发泡的树脂组合物和泡沫
    • JP2011132401A
    • 2011-07-07
    • JP2009294383
    • 2009-12-25
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • MASAMI TOSHIHIKONOZUE YOSHINOBU
    • C08F210/16C08J9/10
    • PROBLEM TO BE SOLVED: To provide an ethylene-α-olefin copolymer for foaming suitable for production of a foam with an excellent expansion ratio. SOLUTION: The ethylene-α-olefin copolymer for foaming is provided, which has a monomer unit based on ethylene and a monomer unit based on a 3-20C α-olefin, density (d) of 860-950 kg/m 3 , a melt flow rate (MFR) of 0.1-10 (g/10 minutes), a monomodal molecular weight distribution, a ratio of a weight-average molecular weight (Mw) to a number-average molecular weight (Mn), Mw/Mn, of 4-30, a ratio of a Z-average molecular weight (Mz) to a weight-average molecular weight (Mw), Mz/Mw, of 2-5, and a nonlinear index k of uniaxial elongational viscosity of 0.85-1.50. COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供一种发泡性优异的乙烯-α-烯烃共聚物,其具有优良的膨胀率。 解决方案:提供用于发泡的乙烯-α-烯烃共聚物,其具有基于乙烯的单体单元和基于3-20℃α-烯烃的单体单元,密度(d)为860-950kg / m 2 熔体流动速率(MFR)为0.1-10(g / 10分钟),单峰分子量分布,重均分子量(Mw)与数均分子量 分子量(Mn),Mw / Mn为4-30,Z平均分子量(Mz)与重均分子量(Mw)的比值,Mz / Mw为2-5,非线性 单轴拉伸粘度指数k为0.85-1.50。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Blow-molded food container
    • 吹塑食品容器
    • JP2011006151A
    • 2011-01-13
    • JP2010122512
    • 2010-05-28
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • EJIRI SUSUMUNOZUE YOSHINOBU
    • B65D1/00B29C49/00B29L22/00C08F10/02
    • PROBLEM TO BE SOLVED: To provide a blow-molded food container which is excellent on an extrusion load at the time of molding and is excellent on impact strength and food sanitation characteristics.SOLUTION: The food container is attained by blow-molding ethylene-α-olefin copolymer having a monomer unit based on ethylene and a monomer unit based on α-olefin of carbon number 3-20 wherein density (d) is 860-950 kg/m, a melting flow rate (MFR) is 0.01-5 (g/10 minutes), a ratio (Mw/Mn) between weight average molecular weight (Mw) and number average molecular weight (Mn) is 4-30, a ratio (Mz/Mw) between Z average molecular weight (Mz) and the weight average molecular weight (Mw) is 3-5, and melt tension (MT) is 8 cN or more.
    • 要解决的问题:提供一种成型时挤出负荷优良的吹塑食品容器,并且冲击强度和食品卫生特性优异。解决方案:通过吹塑乙烯-α α-烯烃共聚物,其具有基于乙烯的单体单元和基于碳数3-20的α-烯烃的单体单元,其中密度(d)为860-950kg / m 2,熔融流动速率(MFR)为0.01-5( g / 10分钟),重均分子量(Mw)与数均分子量(Mn)的比(Mw / Mn)为4-30,Z平均分子量(Mz)与 重均分子量(Mw)为3-5,熔体张力(MT)为8cN以上。
    • 7. 发明专利
    • tube
    • JP2010276128A
    • 2010-12-09
    • JP2009130162
    • 2009-05-29
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • EJIRI SUSUMUNOZUE YOSHINOBU
    • F16L11/06C08F210/02
    • PROBLEM TO BE SOLVED: To provide a tube allowing an excellent extrusion load on molding, having uniform thickness and excellent impact resistance strength and solvent resistance. SOLUTION: The tube is obtained by molding ethylene-α-olefin copolymer wherein the monomer unit based on ethylene and the monomer unit based on 3-20C α-olefin are provided and density (d) is 860-950 kg/m 3 , the melt flow rate (MFR) is 0.01-5(g/10min), the ratio (Mw/Mn) of the weight average molecular weight (Mw) and the number average molecular weight (Mn) is 4-30, the ratio (Mz/Mw) of Z average molecular weight (Mz) and the weight average molecular weight (Mw) is 2-5, g* calculated by the expression (I)g*=[η]/([η] GPC ×g SCB *) is 0.79-0.95. In the expression, [η] represents limiting viscosity (unit:dl/g) of the ethylene-α-olefin copolymer and, in [η] =23.3×log(ηrel), ηrel represents relative viscosity of the ethylene-α-olefin copolymer. In the expression, [η] GPC =0.00046×Mv 0.725 wherein Mv represents the viscosity average molecular weight of the ethylene-α-olefin copolymer. In the expression, g SCB *=(1-A) 1.725 and A can be calculated from content measuring of short-chain branches in the ethylene-α-olefin copolymer. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种允许在模制上具有优异挤出负载的管,其具有均匀的厚度和优异的抗冲击强度和耐溶剂性。 解决方案:通过模塑乙烯-α-烯烃共聚物得到管,其中提供基于乙烯的单体单元和基于3-20℃α-烯烃的单体单元,密度(d)为860-950kg / m 熔体流动速率(MFR)为0.01-5(g / 10min),重均分子量(Mw)和数均分子量(Mn)的比(Mw / Mn) )为4-30,Z平均分子量(Mz)和重均分子量(Mw)的比(Mz / Mw)为2-5,g *由式(I)计算:g * = [η] /([η] GPC ×g SCB *为0.79-0.95。 在该表达式中,[η]表示乙烯-α-烯烃共聚物的极限粘度(单位:dl / g),在[η] = 23.3×log(ηrel)中,ηrel表示乙烯-α-烯烃的相对粘度 共聚物。 在表达式中,[η] GPC = 0.00046×Mv 0.725 其中Mv表示乙烯-α-烯烃共聚物的粘均分子量。 在该表达式中,可以从乙烯-α-烯烃共聚物中的短链分支的含量测定来计算A,A和B。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Prepolymerization catalyst component and process for producing the same
    • 预聚合催化剂组分及其制备方法
    • JP2009256591A
    • 2009-11-05
    • JP2008310768
    • 2008-12-05
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • KAWASHIMA YASUTOYONOZUE YOSHINOBUNUMAO NAOKO
    • C08F4/6592C08F10/00
    • C08F10/02C08F4/65912C08F4/65916C08F4/65927C08F110/02C08F4/65904C08F4/6492
    • PROBLEM TO BE SOLVED: To provide a process for producing a prepolymerization catalyst component being homogeneous, scarcely adhering to the wall surface of a dryer, and having little tendency in its granules to get aggregated with each other. SOLUTION: The process includes the following steps (1) to (4): step (1): heat-treating a solution containing a metallocene-based compound (B1), which is prepared by dissolving the metallocene-based compound (B1) in a saturated hydrocarbon solvent, at 40°C or above to obtain a heat-treated material (1); step (2): heat-treating a mixture of the heat-treated material (1) and a metallocene-based compound (B2) at 40°C or above to obtain a heat-treated material (2); step (3): subjecting the heat-treated material (2) and a cocatalyst support (A) to a contact treatment to obtain a contact treatment product (3); and step(4): subjecting the contact treatment product (3) and an organoaluminum compound (C) to a contact treatment to obtain a contact treatment product (4). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供均匀的预聚合催化剂组分的制备方法,几乎​​不粘附在干燥器的壁表面上,并且其颗粒的倾向几乎不会彼此聚集。 方法:该方法包括以下步骤(1)至(4):步骤(1):将含有茂金属类化合物(B1)的溶液热处理,该溶液是通过将茂金属类化合物 B1)在饱和烃溶剂中,在40℃以上,得到热处理材料(1); 步骤(2):在40℃以上热处理热处理材料(1)和金属茂系化合物(B2)的混合物,得到热处理材料(2); 步骤(3):对热处理材料(2)和助催化剂载体(A)进行接触处理以获得接触处理产物(3); 和步骤(4):使接触处理产物(3)和有机铝化合物(C)进行接触处理以获得接触处理产物(4)。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Ethylene polymer composition and film
    • 乙烯聚合物组合物和膜
    • JP2009001779A
    • 2009-01-08
    • JP2008125651
    • 2008-05-13
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • NOZUE YOSHINOBUKAWASHIMA YASUTOYO
    • C08L23/08
    • C08L23/04C08L23/06C08L23/08C08L2205/02C08L2666/06
    • PROBLEM TO BE SOLVED: To provide an ethylene polymer composition whose transparency and moldability are increased without excessively deteriorating the impact strength of linear low density polyethylene, and to provide a film obtained by subjecting the polymer composition to extrusion molding. SOLUTION: Disclosed is an ethylene polymer composition containing the component (A), the component (B) and the component (C) defined below. Component (A): an ethylene-α-olefin copolymer satisfying all of the following conditions: the density is within the range of 890 to 925 kg/m 3 ; the melt flow rate (MFR) is within the range of 0.1 to 30 g/10 minutes; the flow activation energy (Ea) is less than 50 kJ/mol. Component (B): an ethylene polymer satisfying all of the following conditions: the density is within the range of 890 to 925 kg/m 3 ; the MFR is within the range of 0.1 to 10 g/10 minutes; and the Ea is not less than 50 kJ/mol. Component (C): an ethylene-α-olefin copolymer satisfying all of the following conditions: the density is within the range of 890 to 925 kg/m 3 ;the limiting viscosity is within the range of 4 to 15 dL/g; and the Ea is less than 50 kJ/mol. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种乙烯聚合物组合物,其透明度和成型性提高而不会使线性低密度聚乙烯的冲击强度过度劣化,并提供通过使聚合物组合物进行挤出成型获得的膜。 解决方案:公开了含有组分(A),组分(B)和下面定义的组分(C)的乙烯聚合物组合物。 组分(A):满足以下所有条件的乙烯-α-烯烃共聚物:密度在890至925kg / m 3的范围内。 熔体流动速率(MFR)在0.1〜30g / 10分钟的范围内; 流动活化能(Ea)小于50kJ / mol。 组分(B):满足以下所有条件的乙烯聚合物:密度在890至925kg / m 3的范围内; MFR在0.1〜10g / 10分钟的范围内; 并且Ea不小于50kJ / mol。 组分(C):满足以下所有条件的乙烯-α-烯烃共聚物:密度在890至925kg / m 3的范围内;极限粘度在4 至15 dL / g; 并且Ea小于50kJ / mol。 版权所有(C)2009,JPO&INPIT