公开(公告)号：US20120058288A1

公开(公告)日：2012-03-08

申请号：US13318486

申请日：2009-06-26

申请人： Yuuichi Kuzuba ,  Takashi Monoi ,  Ritsuya Matsumoto ,  Kouichi Ogawa ,  Satoshi Kanazawa ,  Takaaki Hattori

发明人： Yuuichi Kuzuba ,  Takashi Monoi ,  Ritsuya Matsumoto ,  Kouichi Ogawa ,  Satoshi Kanazawa ,  Takaaki Hattori

IPC分类号： B32B1/02 ,  C08F4/69 ,  C08F2/34 ,  C08F10/02 ,  C08F2/00

CPC分类号： C08F10/00 ,  C08F4/44 ,  C08F4/52 ,  C08F4/54 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F2500/04 ,  C08F2500/12 ,  Y10T428/1397 ,  C08F4/69 ,  C08F2500/17 ,  C08F2500/07

摘要： A polyethylene based resin exhibiting excellent moldability and durability and having an excellent balance between impact resistance and stiffness; and a hollow plastic molded article using the foregoing resin, which exhibits excellent moldability, durability and barrier properties and has an excellent balance between impact resistance and stiffness, are provided. The polyethylene based resin satisfies the following requirements (1) to (4): (1) a high-load melt flow rate (HLMFR) is from 1 to 100 g/10 min; (2) a density is from 0.940 to 0.960 g/cm3; (3) a strain hardening parameter λmax of elongational viscosity is from 1.05 to 1.50; and (4) a rupture time in a full notch tensile creep test and a density satisfy the following relational expression (A): log (rupture time)≧−355×(density)+337.6 (A).

摘要翻译： 表现出优异的成型性和耐久性并且在耐冲击性和刚度之间具有优异平衡的聚乙烯基树脂; 并且提供了使用上述树脂的中空塑料模制品，其表现出优异的成型性，耐久性和阻隔性，并且在耐冲击性和刚度之间具有优异的平衡。 聚乙烯类树脂满足以下要求（1）〜（4）：（1）高负荷熔体流动速率（HLMFR）为1〜100g / 10分钟; （2）密度为0.940〜0.960g / cm3; （3）拉伸粘度的应变硬化参数λmax为1.05〜1.50; （4）全槽拉伸蠕变试验中的断裂时间和密度满足以下关系式（A）：log（断裂时间）≥-355×（密度）+337.6（A）。

公开(公告)号：US09193809B2

公开(公告)日：2015-11-24

申请号：US13318486

申请日：2009-06-26

申请人： Yuuichi Kuzuba ,  Takashi Monoi ,  Ritsuya Matsumoto ,  Kouichi Ogawa ,  Satoshi Kanazawa ,  Takaaki Hattori

发明人： Yuuichi Kuzuba ,  Takashi Monoi ,  Ritsuya Matsumoto ,  Kouichi Ogawa ,  Satoshi Kanazawa ,  Takaaki Hattori

IPC分类号： C08F10/02 ,  C08F10/00 ,  C08F4/44 ,  C08F4/54 ,  C08F4/52 ,  C08F110/02 ,  C08F210/16

CPC分类号： C08F10/00 ,  C08F4/44 ,  C08F4/52 ,  C08F4/54 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F2500/04 ,  C08F2500/12 ,  Y10T428/1397 ,  C08F4/69 ,  C08F2500/17 ,  C08F2500/07

摘要： A polyethylene based resin exhibiting excellent moldability and durability and having an excellent balance between impact resistance and stiffness; and a hollow plastic molded article using the foregoing resin, which exhibits excellent moldability, durability and barrier properties and has an excellent balance between impact resistance and stiffness, are provided. The polyethylene based resin satisfies the following requirements (1) to (4): (1) a high-load melt flow rate (HLMFR) is from 1 to 100 g/10 min; (2) a density is from 0.940 to 0.960 g/cm3; (3) a strain hardening parameter λmax of elongational viscosity is from 1.05 to 1.50; and (4) a rupture time in a full notch tensile creep test and a density satisfy the following relational expression (A): log(rupture time)≧−355×(density)+337.6(A).

摘要翻译： 表现出优异的成型性和耐久性并且在耐冲击性和刚度之间具有优异平衡的聚乙烯基树脂; 并且提供了使用上述树脂的中空塑料模制品，其表现出优异的成型性，耐久性和阻隔性，并且在耐冲击性和刚度之间具有优异的平衡。 聚乙烯类树脂满足以下要求（1）〜（4）：（1）高负荷熔体流动速率（HLMFR）为1〜100g / 10分钟; （2）密度为0.940〜0.960g / cm3; （3）拉伸粘度的应变硬化参数λmax为1.05〜1.50; （4）全槽拉伸蠕变试验中的断裂时间和密度满足以下关系式（A）：log（断裂时间）≥-355×（密度）+337.6（A）。

公开(公告)号：US20130280462A1

公开(公告)日：2013-10-24

申请号：US13997568

申请日：2011-12-22

申请人： Yuuichi Kuzuba ,  Takashi Monoi ,  Satoshi Kanazawa ,  Kouichi Ogawa ,  Takaaki Hattori ,  Keiichi Yoshimoto

发明人： Yuuichi Kuzuba ,  Takashi Monoi ,  Satoshi Kanazawa ,  Kouichi Ogawa ,  Takaaki Hattori ,  Keiichi Yoshimoto

IPC分类号： C08F210/16

CPC分类号： C08F210/16 ,  Y10T428/1397 ,  C08F4/69 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/12

摘要： The polyethylene of the invention is polymerized using a chromium catalyst, and has a weight average molecular weight (Mw) of 30,000 or more at the maximum value in a branching degree distribution curve that shows a molecular weight dependency of short chain branches having 4 or more carbon atoms.

摘要翻译： 使用铬催化剂聚合本发明的聚乙烯，并且在显示具有4个或更多个的短链分支的分子量依赖性的支化度分布曲线中，其最大值的重均分子量（Mw）为30,000或更大 碳原子。

公开(公告)号：US20140030460A1

公开(公告)日：2014-01-30

申请号：US14008719

申请日：2012-03-29

申请人： Takashi Monoi ,  Yuuichi Kuzuba ,  Satoshi Kanazawa ,  Kouichi Ogawa

发明人： Takashi Monoi ,  Yuuichi Kuzuba ,  Satoshi Kanazawa ,  Kouichi Ogawa

IPC分类号： C08F210/14

CPC分类号： C08F210/14 ,  C08F210/16 ,  Y10T428/1397 ,  C08F2500/04 ,  C08F2500/07 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/17 ,  C08F4/24 ,  C08F10/00 ,  C08F4/69 ,  C08F4/78 ,  C08F4/025

摘要： An object of the invention is to provide an ethylene-based polymer excellent in moldability and durability, and also excellent in the balance of stiffness and durability, and to provide a molded product of hollow plastic using the ethylene-based polymer. The ethylene-based polymer according to the invention is an ethylene-based polymer having specific characteristics and manufactured by a homopolymerization of ethylene or a copolymerization of ethylene and α-olefin using a chromium catalyst.

摘要翻译： 本发明的目的是提供一种成型性和耐久性优异的乙烯类聚合物，并且刚性和耐久性的平衡优异，并提供使用乙烯类聚合物的中空塑料的成型体。 根据本发明的基于乙烯的聚合物是具有特定特性的乙烯类聚合物，其通过乙烯的均聚或使用铬催化剂的乙烯和α-烯烃的共聚制得。

公开(公告)号：US10301409B2

公开(公告)日：2019-05-28

申请号：US14008719

申请日：2012-03-29

申请人： Takashi Monoi ,  Yuuichi Kuzuba ,  Satoshi Kanazawa ,  Kouichi Ogawa

发明人： Takashi Monoi ,  Yuuichi Kuzuba ,  Satoshi Kanazawa ,  Kouichi Ogawa

IPC分类号： C08F210/16 ,  C08F4/69 ,  C08F210/14

摘要： An object of the invention is to provide an ethylene-based polymer excellent in moldability and durability, and also excellent in the balance of stiffness and durability, and to provide a molded product of hollow plastic using the ethylene-based polymer. The ethylene-based polymer according to the invention is an ethylene-based polymer having specific characteristics and manufactured by a homopolymerization of ethylene or a copolymerization of ethylene and α-olefin using a chromium catalyst.