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1. 发明授权

US06300415B1 Propylene composition, process for preparing the same, polypropylene composition, and molded articles 有权
标题翻译：丙烯组合物，其制备方法，聚丙烯组合物和模制品
公开(公告)号：US06300415B1
公开(公告)日：2001-10-09
申请号：US09068949
申请日：1998-08-14
申请人： Chikashi Okayama , Takanori Nakashima , Masami Kimura , Mayumi Wakata , Kazuhiro Kimura , Toshiki Yamamoto , Hirohisa Ishii , Masataka Sugimoto , Kunio Gouda , Yasuhiro Mochizuki , Noriaki Saito , Junichiro Yokota , Shouji Kawano , Yasuhiko Nakagawa
发明人： Chikashi Okayama , Takanori Nakashima , Masami Kimura , Mayumi Wakata , Kazuhiro Kimura , Toshiki Yamamoto , Hirohisa Ishii , Masataka Sugimoto , Kunio Gouda , Yasuhiro Mochizuki , Noriaki Saito , Junichiro Yokota , Shouji Kawano , Yasuhiko Nakagawa
IPC分类号： C08L2312
CPC分类号： C08J5/18 , B32B27/32 , C08F110/06 , C08F210/06 , C08F255/02 , C08F297/083 , C08J2323/10 , C08L23/0815 , C08L23/10 , C08L23/16 , C08L51/06 , C08L53/00 , C08L2666/04 , C08L2666/02 , C08F2500/15 , C08F2500/12 , C08F2500/26 , C08F210/16 , C08F2500/17
摘要： A polypropylene composition for the production of various molded articles which are excellent in moldability, mold shrinkage factor on molding, rigidity, flexibility, impact resistance, in particular low-temperature impact resistance, transparency, gloss, stress-whitening resistance, and the balance thereof; various molded articles having the above properties; a propylene composition which is suitable for a base resin for the polypropylene composition; and a process for the production thereof. The propylene composition comprises a propylene homopolymer and a propylene-ethylene copolymer, the intrinsic viscosity of the copolymer ([&eegr;]RC) is in the range of 1.7 to 2.8 dl/g, the intrinsic viscosity ratio of the homopolymer to the copolymer ([&eegr;]RC/[&eegr;]pp) is in the range of 0.7 to 1.2 and a product [(WPP/WRC)×([&eegr;]RC/[&eegr;]pp)] of the weight ratio (WPP/WRC) of the homopolymer to the copolymer and the intrinsic viscosity ratio thereof is in the range of 1.0 to 3.0.
摘要翻译：用于生产成型性，成型时的成型收缩率，刚性，柔软性，耐冲击性，特别是低温耐冲击性，透明性，光泽，耐应力增白性及其余量的各种成型品的聚丙烯组合物 ; 具有上述特性的各种成型品; 适用于聚丙烯组合物的基础树脂的丙烯组合物; 及其生产方法。丙烯组合物包含丙烯均聚物和丙烯 - 乙烯共聚物，共聚物的特性粘度（ηRC）在1.7至2.8dl / g的范围内，均聚物与共聚物的特性粘度比（[ ηWP /ηpp）在0.7至1.2的范围内，并且产物[（WPP / WRC）x（ηRC /ηpp）]的重量比（WPP / WRC）共聚物的均聚物和其特性粘度比在1.0〜3.0的范围内。

2. 发明授权

US06326080B1 Biaxially oriented polypropylene-base film 有权
标题翻译：双轴取向聚丙烯基膜
公开(公告)号：US06326080B1
公开(公告)日：2001-12-04
申请号：US09319355
申请日：1999-09-02
申请人： Chikashi Okayama , Takanori Nakashima , Yasuhiro Shiraishi , Noriaki Saito , Yuya Ishimoto
发明人： Chikashi Okayama , Takanori Nakashima , Yasuhiro Shiraishi , Noriaki Saito , Yuya Ishimoto
IPC分类号： B32B516
摘要： To provide an economically advantageous biaxially oriented polypropylene-based film, which is excellent in straight cuttability along the MD direction, strength along the TD direction and transparency, a film-forming material which comprises a polypropylene-based resin material consisting of 40 to 88% by weight of crystalline polypropylene, and 60 to 12% by weight of propylene-&agr;-olefin copolymer dispersed as particles in the crystalline polypropylene is biaxially oriented to afford a biaxially oriented polypropylene-based film wherein the particles of the copolymer have a mean dispersed particle diameter of 0.1 &mgr;m or less along the TD direction.
摘要翻译：为了提供经济有效的双轴取向聚丙烯基膜，其沿MD方向的直切割性优异，沿TD方向的强度和透明度，成膜材料包含由40〜88％的结晶聚丙烯，并且以结晶聚丙烯分散为颗粒的丙烯-α-烯烃共聚物的60〜12重量％进行双轴取向，得到双轴取向的聚丙烯系膜，其中共聚物的颗粒具有平均分散粒子沿TD方向的直径为0.1μm以下。

3. 发明授权

US06670027B1 Uniaxially oriented polypropylene-based film 失效
标题翻译：单轴取向聚丙烯基薄膜
公开(公告)号：US06670027B1
公开(公告)日：2003-12-30
申请号：US09380107
申请日：1999-12-02
申请人： Chikashi Okayama , Takanori Nakashima , Noriaki Saito , Hiroyuki Maehara , Yuya Ishimoto
发明人： Chikashi Okayama , Takanori Nakashima , Noriaki Saito , Hiroyuki Maehara , Yuya Ishimoto
IPC分类号： B32B502
CPC分类号： C08J5/18 , B29C55/005 , B29C55/04 , B29K2023/12 , B29K2105/16 , C08J2323/10 , C08L23/10 , C08L23/12 , C08L23/14 , C08L2205/02 , Y10S428/91 , Y10T428/24994 , Y10T428/249942 , Y10T428/249947 , Y10T428/25 , Y10T428/254 , Y10T428/31855 , C08L2666/04
摘要： To provide a uniaxially oriented polypropylene-based film excellent in tensile elongation along the TD direction and transparence, and generating less fibers when it is torn, a film-forming material which comprises a polypropylene-based resin material consisting of 40 to 95% by weight of crystalline polypropylene, and 60 to 5% by weight of propylene-&agr;-olefin copolymer dispersed as particles in the crystalline polypropylene is uniaxially oriented to afford a uniaxially oriented polypropylene-based film, wherein the particles of the copolymer have an aspect ratio (L/D) of mean dispersed particle length (L) to mean dispersed particle diameter along the film thickness direction (D) of 100 or more in a cross section of the film along the MD direction, and the mean dispersed particle diameter of 0.10 &mgr;m or less.
摘要翻译：为了提供沿TD方向的拉伸伸长率和透明性优异的单轴取向聚丙烯基膜，在被撕裂时产生较少的纤维的成膜材料包含由40〜95重量％组成的聚丙烯类树脂材料的结晶聚丙烯和60-5重量％的作为颗粒分散在结晶聚丙烯中的丙烯-α-烯烃共聚物单轴取向，得到单轴取向聚丙烯基膜，其中共聚物颗粒的纵横比（L / D）平均分散粒子长度（L），沿膜厚度方向（D）平均分散粒径为100以上，膜沿MD方向的截面，平均分散粒径为0.10μm 减。

4. 发明授权

US06258893B1 Unoriented polypropylene molding 有权
标题翻译：无取向聚丙烯成型
公开(公告)号：US06258893B1
公开(公告)日：2001-07-10
申请号：US09424001
申请日：1999-11-15
申请人： Chikashi Okayama , Takanori Nakashima , Yuya Ishimoto , Shinji Nakata , Yasuhiro Mochizuki , Shinichi Akitaya , Yoshitaka Sumi
发明人： Chikashi Okayama , Takanori Nakashima , Yuya Ishimoto , Shinji Nakata , Yasuhiro Mochizuki , Shinichi Akitaya , Yoshitaka Sumi
IPC分类号： C08I800
CPC分类号： C08J5/18 , C08J2323/10 , C08L23/10 , C08L23/12 , C08L23/16 , C08L2666/04
摘要： An unoriented polypropylene-based film or sheet possessing excellent impact resistance at low temperature, transparency, heat resistance at low temperature and excellent tear strength and/or stress whitening resistance. A molding material which comprises a polypropylene-based resin material comprising 40 to 80% by weight of crystalline polypropylene and 60 to 20% by weight of propylene-&agr;-olefin copolymer containing 20 to 80% by weight of propylene polymerization units, the propylene-&agr;-olefin copolymer dispersed as particles in the crystalline polypropylene, is unoriently molded to afford a film-shaped or sheet-shaped molding, wherein the particle diameter have an aspect ratio (L/D) of mean dispersed particle length (L) to mean dispersed particle diameter along the thickness of the molding (D) of 30 or more in a cross section of the molding along the MD direction, and the mean dispersed particle diameter of 0.3 &mgr;m or less.
摘要翻译：在低温下具有优异的耐冲击性，低透明性，耐热性以及优异的撕裂强度和/或耐应力增白性的无取向聚丙烯类膜或片。一种模塑材料，其包含聚丙烯基树脂材料，其包含40至80重量％的结晶聚丙烯和60至20重量％的含有20至80重量％丙烯聚合单元的丙烯-α-烯烃共聚物，作为颗粒分散在结晶聚丙烯中的α-烯烃共聚物是无取向成型的，以提供薄膜状或片状模制品，其中粒径具有平均分散粒度长度（L）至平均值的纵横比（L / D）分散粒径沿成型体（D）的厚度为30以上，沿着MD方向在成形体的截面中，平均分散粒径为0.3μm以下。

5. 发明授权

US06512061B1 Process for producing polypropylene or propylene random copolymer 有权
标题翻译：生产聚丙烯或丙烯无规共聚物的方法
公开(公告)号：US06512061B1
公开(公告)日：2003-01-28
申请号：US09889223
申请日：2001-07-13
申请人： Masami Kimura , Takanori Nakashima , Chikashi Okayama
发明人： Masami Kimura , Takanori Nakashima , Chikashi Okayama
IPC分类号： C08F442
CPC分类号： C08F210/16 , C08F10/00 , C08F210/06 , Y10S526/901 , C08F4/6567 , C08F4/656 , C08F4/6492 , C08F4/6465 , C08F2500/12 , C08F210/08
摘要： The invention provides a process for producing polypropylene and/or random copolymers of propylene type using a stereoregular catalyst which comprises a titanium-containing solid catalyst component (A), an organoaluminum compound (B) and if required an organosilicon compound (C), wherein [I] before carrying out homopolymerization of propylene or random copolymerization of propylene with an &agr;-olefin other than propylene, the above component (A), an organoaluminum compound (B′) and if required an organosilicon compound (C′) are used, and a small amount of propylene or ethylene and/or an &agr;-olefin of 4-20 carbon atoms for pre-activation treatment is supplied to the above component (A), and [II] a catalyst which is prepared by adding an organosilicon compound (C″) to the pre-activated stereoregular catalyst in a molar ratio of 0.1-50 as Si/Ti, is used to produce polypropylene or propylene random copolymers.
摘要翻译：本发明提供一种使用立体规则催化剂制备丙烯类型和/或无规共聚物的方法，其包括含钛固体催化剂组分（A），有机铝化合物（B）和如果需要的有机硅化合物（C），其中在进行丙烯均聚或丙烯与丙烯以外的α-烯烃的无规共聚合时，上述组分（A），有机铝化合物（B'）和如果需要的话，使用有机硅化合物（C'），并将少量的丙烯或乙烯和/或4-20个碳原子的α-烯烃用于预活化处理被提供给上述组分（A），和[II]通过将有机硅化合物（C“）与预活化的立构规整催化剂的摩尔比为0.1-50作为Si / Ti，用于生产聚丙烯或丙烯无规共聚物。

6. 发明授权

US06348271B1 Film having gas permeability 有权
标题翻译：具有透气性的薄膜
公开(公告)号：US06348271B1
公开(公告)日：2002-02-19
申请号：US09445194
申请日：1999-12-02
申请人： Shinji Nakata , Youichi Kugimiya , Chikashi Okayama , Takanori Nakashima , Yuji Ando
发明人： Shinji Nakata , Youichi Kugimiya , Chikashi Okayama , Takanori Nakashima , Yuji Ando
IPC分类号： B32B2700
CPC分类号： C08J5/18 , B29C55/04 , B29K2023/12 , B29K2995/0065 , C08J2323/10 , C08J2323/16 , C08L23/10 , C08L23/12 , C08L23/142 , C08L23/16 , Y10T428/31855 , Y10T428/31909 , C08L2666/04
摘要： An object of the present invention is to provide a drawn polypropylene film as a wrapping material that has transparency and mechanical properties sufficient as a wrapping material yet having the needed gas permeability for maintaining the freshness of the enclosed goods and additionally enables control of permeability of gases to a certain proportion if needed even if secondary steps such as perforation processing, etc., are eliminated. The present invention provides a polypropylene film drawn at least monoaxially which comprises a propylene resin composition comprising a propylene polymer component and a copolymer component containing ethylene and propylene, wherein a content of the copolymer component is 7 to 70% by weight based on the weight of the composition, and the film has a thickness [D1] of 10 to 100&mgr;m and has the following characteristics (1) to (3): (1) [TH2O] (a permeability of water vapor)=9 to 50 (unit: g/m2·24 Hr, in accordance with JIS Z-0208), (2) [TO2] (a permeability of oxygen gas)=600-12,500 (unit: nmol (STP)/m2·s·100 kPa, in accordance with JIS K-7126A), (3) [Tethylene] (a permeability of ethylene gas)=600-22,500 (unit: nmol (STP)/m2·s·100 kPa, in accordance with JIS K-7126A.)
摘要翻译：本发明的目的是提供一种作为包装材料的拉伸聚丙烯薄膜，其具有足够的透明度和机械性能作为包装材料，但具有所需的气体渗透性，以保持封闭的商品的新鲜度，并且还可以控制气体的渗透性如果需要，即使消除诸如穿孔处理等的二次步骤，也能够达到一定比例。本发明提供至少单轴拉伸的聚丙烯薄膜，其包含丙烯聚合物组分和含有乙烯和丙烯的共聚物组分的丙烯树脂组合物，其中共聚物组分的含量为7至70重量％，基于该组合物和膜的厚度[D1]为10〜100μm，具有以下特征（1）〜（3）：（1）[TH 2 O]（水蒸气的渗透性）= 9〜50（单位：g / m2·Hr，根据JIS Z-0208），（2）[TO2]（氧气的渗透性）= 600-12,500（单位：nmol（STP）/ m 2·s.100kPa），根据 JIS K-7126A），（3）[Tethylene]（乙烯气体的渗透性）= 600-22,500（单位：nmol（STP）/ m2.s.100kPa，按照JIS K-7126A）

7. 发明授权

US06271310B1 Polypropylene composition and process for producing the same 有权
标题翻译：聚丙烯组合物及其制备方法
公开(公告)号：US06271310B1
公开(公告)日：2001-08-07
申请号：US09402998
申请日：1999-10-15
申请人： Chikashi Okayama , Takanori Nakashima , Akira Yamauchi , Jun Saito , Michitaka Sasaki
发明人： Chikashi Okayama , Takanori Nakashima , Akira Yamauchi , Jun Saito , Michitaka Sasaki
IPC分类号： C08F800
CPC分类号： C08L23/10 , C08L23/02 , C08L23/0815 , C08L23/12 , C08L23/16 , C08L2666/04
摘要： A polypropylene composition which contains 0.01 to 5 parts by weight of an olefin (co)polymer (a) having an intrinsic viscosity of 15 to 100 dl/g, 100 parts by weight of a propylene homopolymer (b) having an intrinsic viscosity of 0.2 to 10 dl/g, and 28 to 300 parts by weight of an ethylene/propylene copolymer (c) having an intrinsic viscosity of 0.2 to 10 dl/g, and in which the ratio of the melt flow rate of the homopolymer (b) to that of the copolymer (c), MFRPP/MFRRC, is 0.3 to 4 and the product of the ratio of the intrinsic viscosity of the copolymer (c) to that of the homopolymer (b), [&eegr;]RC/[&eegr;]PP, and the weight ratio of the amount of the homopolymer (b) to that of the copolymer (c), WPP/WRC, is in the range of from 0.2 to 3.0. The composition has high melt tension, high crystallization temperature, and excellent thermal stability, and yields a molded article having excellent transparency, reduced molding shrinkage, and excellent resistance to whitening by impact or bending.
摘要翻译：含有0.01〜5重量份特性粘度为15〜100dl / g的烯烃（共）聚合物（a），100重量份特性粘度为0.2的丙烯均聚物（b）的聚丙烯组合物至10dl / g，和28-300重量份特性粘度为0.2-10dl / g的乙烯/丙烯共聚物（c），其中均聚物（b）的熔体流动速率共聚物（c）的MFRPP / MFRRC为0.3〜4，共聚物（c）的特性粘度与均聚物（b）的特性粘度的比，ηRC /η PP，均聚物（b）与共聚物（c）的重量比WPP / WRC的重量比在0.2〜3.0的范围内。该组合物具有高熔体张力，高结晶温度和优异的热稳定性，并且得到具有优异的透明性，降低的成型收缩率和通过冲击或弯曲而具有优异的抗白化性能的模制品。

8. 发明授权

US06319991B1 Propylene polymer blends, processes of producing the same and polypropylene resin compositions 失效
标题翻译：丙烯聚合物共混物，其制备方法和聚丙烯树脂组合物
公开(公告)号：US06319991B1
公开(公告)日：2001-11-20
申请号：US09081678
申请日：1998-05-20
申请人： Chikashi Okayama , Takanori Nakashima , Shinichi Akitaya , Yoshitaka Sumi
发明人： Chikashi Okayama , Takanori Nakashima , Shinichi Akitaya , Yoshitaka Sumi
IPC分类号： C08L2314
CPC分类号： C08L23/142 , B01J2219/182 , C08L23/14 , C08L23/16 , C08L2205/02 , C08L2308/00 , C08L2666/06
摘要： A propylene polymer blend is disclosed which comprises (A) a propylene-&agr;-olefin random copolymer with a propylene content of 90 to 99% by weight and (B) a propylene-&agr;-olefin random copolymer with a propylene content of 55 to 90% by weight, wherein the intrinsic viscosity ([&eegr;B]) of the copolymer B ranges from 1.3 to 3.5 dl/g, the ratio ([&eegr;B]/[&eegr;A]) of the intrinsic viscosity ([&eegr;B]) of the copolymer B to the intrinsic viscosity ([&eegr;A]) of the copolymer A ranges from 0.5 to 1.3 and a product (([&eegr;B]/[&eegr;A])×(WA/WB)) of the intrinsic ratio ([&eegr;B]/[&eegr;A]) of both copolymers and the weight ratio (WA/WB) of both copolymers ranges from 1.0 to 4.5. A polypropylene resin composition comprises 99 to 99.9999% by weight of the propylene polymer blend and 1 to 0.0001% by weight of an &agr;-crystal nucleating agent.
摘要翻译：公开了一种丙烯聚合物共混物，其包含（A）丙烯含量为90至99重量％的丙烯-α-烯烃无规共聚物和（B）丙烯含量为55至90的丙烯-α-烯烃无规共聚物重量％，其中共聚物B的特性粘度（η）为1.3-3.5dl / g，共聚物B的特性粘度（η）的比值（ηetaA）为相对于共聚物A的特性粘度（η）为0.5-1.3，产物（（[ηa/ [ηa]）x（WA / WB））的固有比（[ηa] / [η] ）和两种共聚物的重量比（WA / WB）为1.0至4.5。聚丙烯树脂组合物包含99至99.9999重量％的丙烯聚合物共混物和1至0.0001重量％的α-晶体成核剂。

9. 发明授权

US06716921B1 Propylene resin composition 有权
标题翻译：丙烯树脂组合物
公开(公告)号：US06716921B1
公开(公告)日：2004-04-06
申请号：US10070354
申请日：2002-03-06
申请人： Takanori Nakashima , Shinichi Akitaya , Yuya Ishimoto , Yasuhiro Mochizuki , Yoshitaka Morimoto , Yoshitaka Sumi
发明人： Takanori Nakashima , Shinichi Akitaya , Yuya Ishimoto , Yasuhiro Mochizuki , Yoshitaka Morimoto , Yoshitaka Sumi
IPC分类号： C08L2300
CPC分类号： C08L23/142 , C08L23/10 , C08L23/14 , C08L2205/02 , C08L2666/04 , C08L2666/06
摘要： A propylene resin composition is constructed so as to contain (A) a propylene-&agr;-olefin random copolymer with the content of a propylene unit of 99.1 to 99.9% by weight, and (B) a propylene-&agr;-olefin random copolymer with the content of a propylene unit of 70 to 90% by weight, in the specified proportion, and to have the specified loss tangent (tan &dgr;) and storage elastic modulus (E′), in the temperature dependence of dynamic viscoelasticity. Thereby, the propylene resin composition is provided, suitable as a raw material for shaped article having a well-balanced combination of transparency, stress-whitening resistance; impact resistance at low temperatures, and further heat resistance.
摘要翻译：构成丙烯类树脂组合物，其含有（A）丙烯单元含量为99.1〜99.9重量％的丙烯-α-烯烃无规共聚物，（B）丙烯-α-烯烃无规共聚物与在规定比例下，丙烯单元的含量为70〜90重量％，在动态粘弹性的温度依赖性中具有指定的损耗角正切（tanδ）和储能弹性模量（E'）。因此，提供了丙烯树脂组合物，其适合作为成型制品的原料，其具有透明性，耐应力增白性的良好平衡的组合; 低温下的耐冲击性和耐热性。

10. 发明授权

US06495632B2 Polypropylene series resin sheet 失效
标题翻译：聚丙烯系列树脂板
公开(公告)号：US06495632B2
公开(公告)日：2002-12-17
申请号：US09863951
申请日：2001-05-23
申请人： Toshiki Yamamoto , Akinori Maekawa , Takanori Nakashima
发明人： Toshiki Yamamoto , Akinori Maekawa , Takanori Nakashima
IPC分类号： C08L2308
CPC分类号： C08J5/18 , B32B27/32 , C08J2323/14 , C08L23/14 , C08L2205/02 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , Y10T428/31928 , C08L2666/04
摘要： This invention relates to a propylene series resin sheet that has a large tan &dgr; and high frequency welding characteristics, excellent transparency, low-temperature impact resistance, and surface durability. The propylene series resin sheet is characterized by a mixture of a polypropylene series composition with a weight percentage of 50-99% and an ethylene series copolymer with a weight percentage of 1-50%.
摘要翻译：本发明涉及具有大的tanδ和高频焊接特性，优异的透明性，耐低温冲击性和表面耐久性的丙烯系列树脂片。丙烯系树脂片的特征在于重量百分比为50-99％的聚丙烯系列组合物和重量百分比为1-50％的乙烯系共聚物的混合物。

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