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1. 发明专利

DE10044186A1 Polypropylene based polymer including a propylene-homopolymer or propylene-olefin-copolymer, useful for preparation of films having outstanding metallizability, strength, and heat resistance. 未知
公开(公告)号：DE10044186A1
公开(公告)日：2001-03-15
申请号：DE10044186
申请日：2000-09-07
申请人： CHISSO CORP
发明人： KAWAMOTO NAOSHI , SHIRAISHI YASUHIRO , SAWAI ATSUKO , ANDO YUJI , NAKATA SHINJI , MINAMIZAWA HISANOBU , SAKABE ICHIRO , OHNO KATSUHIKO
IPC分类号： C08F10/06 , C08F110/06 , C08F210/06 , C08J5/18
摘要： A propylene based polymer having a propylene-homopolymer or propylene-olefin-copolymer with at least one olefin selected from ethylene and alpha-olefins with 4 or more C atoms and of propylene content 98 wt.% or higher is new. A propylene based polymer having a propylene-homopolymer or propylene-olefin-copolymer with at least one olefin selected from ethylene and alpha-olefins with 4 or more C atoms and of propylene content 98 wt.% or higher has the properties: (1) a melt flow rate (at 230 deg C) in the region of 0.5-20 dg/minute; (2) an isotactic pentadiene fraction in the region of 9.89-0.95 (sic); (3) a material extractable by boiling pentane (C5-ext) (0.5 wt.% or more), and extractable by boiling heptane (C7-ext) (5 wt.% or less), amount of C7-ext greater than 3.5 x (C5-ext); (4) contains material soluble at 0 deg C or lower obtained by cross-fractionation-chromatography (CFC), of mean molecular weight 7x10 or higher and material soluble at 50 deg C or lower of mean molecular weight 6x10 or higher. Independent claims are included for: (1) a film prepared from a polypropylene composition obtained by addition of an antistatic agent to the propylene based polymer (claimed); (2) a film obtained from the propylene based polymers having outstanding metallizability (claimed).

2. 发明专利

ID22913A 未知
公开(公告)号：ID22913A
公开(公告)日：1999-12-16
申请号：ID991483
申请日：1999-04-02
申请人： CHISSO CORP
发明人： NAKATA SHINJI , KUGIMIYA YOUICHI , OKAYAMA CHIKASHI , NAKASHIMA TAKANORI , ANDO YUJI
IPC分类号： B29C55/04 , C08J5/18 , C08L23/10 , C08L23/12 , C08L23/14 , C08L23/16 , C08L23/08 , B32B27/32 , B29C55/02
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 permeability of gases need for maintaining the freshness of the enclosed goods and in addition that enables control of permeability of gases to a certain proportion if needed even if secondary steps such as perforation processing, etc. is eliminated. The present invention provides a drawn polypropylene film drawn at least in a monoaxial direction, 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 ÄD1Ü of 1.0 to 100 mu m and has the following characteristics (1) to (3): (1) ÄTH2OÜ(a permeability of water vapor) = 9 - 50 (unit: g/m . 24 Hr, in accordance with JIS Z-0208), (2) ÄTO2Ü(a permeability of oxygen gas) = 600 - 12,500 (unit: nmol (STP)/m . s . 100 kPa, in accordance with JIS K-7126A) (3) ÄTethyleneÜ(a permeability of ethylene gas) = 600 - 22,500 (unit: nmol (STP)/m . s . 100 kPa, in accordance with JIS K-7126A)

3. 发明专利

DE69902081D1 未知
公开(公告)号：DE69902081D1
公开(公告)日：2002-08-14
申请号：DE69902081
申请日：1999-04-02
申请人： CHISSO CORP
发明人： NAKATA SHINJI , KUGIMIYA YOUICHI , OKAYAMA CHIKASHI , NAKASHIMA TAKANORI , ANDO YUJI
IPC分类号： B29C55/04 , C08J5/18 , C08L23/10 , C08L23/12 , C08L23/14 , C08L23/16 , C08L23/08 , B32B27/32 , B29C55/02
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 permeability of gases need for maintaining the freshness of the enclosed goods and in addition that enables control of permeability of gases to a certain proportion if needed even if secondary steps such as perforation processing, etc. is eliminated. The present invention provides a drawn polypropylene film drawn at least in a monoaxial direction, 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 ÄD1Ü of 1.0 to 100 mu m and has the following characteristics (1) to (3): (1) ÄTH2OÜ(a permeability of water vapor) = 9 - 50 (unit: g/m . 24 Hr, in accordance with JIS Z-0208), (2) ÄTO2Ü(a permeability of oxygen gas) = 600 - 12,500 (unit: nmol (STP)/m . s . 100 kPa, in accordance with JIS K-7126A) (3) ÄTethyleneÜ(a permeability of ethylene gas) = 600 - 22,500 (unit: nmol (STP)/m . s . 100 kPa, in accordance with JIS K-7126A)

4. 发明专利

DE69902081T2 未知
公开(公告)号：DE69902081T2
公开(公告)日：2003-01-30
申请号：DE69902081
申请日：1999-04-02
申请人： CHISSO CORP
发明人： NAKATA SHINJI , KUGIMIYA YOUICHI , OKAYAMA CHIKASHI , NAKASHIMA TAKANORI , ANDO YUJI
IPC分类号： B29C55/04 , C08J5/18 , C08L23/10 , C08L23/12 , C08L23/14 , C08L23/16 , C08L23/08 , B32B27/32 , B29C55/02
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 permeability of gases need for maintaining the freshness of the enclosed goods and in addition that enables control of permeability of gases to a certain proportion if needed even if secondary steps such as perforation processing, etc. is eliminated. The present invention provides a drawn polypropylene film drawn at least in a monoaxial direction, 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 ÄD1Ü of 1.0 to 100 mu m and has the following characteristics (1) to (3): (1) ÄTH2OÜ(a permeability of water vapor) = 9 - 50 (unit: g/m . 24 Hr, in accordance with JIS Z-0208), (2) ÄTO2Ü(a permeability of oxygen gas) = 600 - 12,500 (unit: nmol (STP)/m . s . 100 kPa, in accordance with JIS K-7126A) (3) ÄTethyleneÜ(a permeability of ethylene gas) = 600 - 22,500 (unit: nmol (STP)/m . s . 100 kPa, in accordance with JIS K-7126A)

5. 发明公开

EP0987290A4 FILM HAVING GAS PERMEABILITY 有权
标题翻译：具有气体透射膜
公开(公告)号：EP0987290A4
公开(公告)日：2000-08-16
申请号：EP99910831
申请日：1999-04-02
申请人： CHISSO CORP
发明人： NAKATA SHINJI , KUGIMIYA YOUICHI , OKAYAMA CHIKASHI , NAKASHIMA TAKANORI , ANDO YUJI
IPC分类号： B29C55/04 , C08J5/18 , C08L23/10 , C08L23/12 , C08L23/14 , C08L23/16 , B29C55/02 , B32B27/32 , C08L23/08
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： Intended is to provide a stretched polypropylene film as a packaging material which not only has satisfactory transparency and mechanical properties, but also has a gas permeability ncessary for maintaining the freshness of contents packaged, and further allows the control of gas permeability in a certain range even without a secondary processing such as punching. Provided is a stretched film having gas permeability which comprises a propylene-based resin composition and is at least monoaxially stretched, wherein the resin composition comprises an ethylene-propylene copolymer component and a polypropylene component, and contains the copolymer component in an amount of 7 to 70 wt.% based on the resin composition, and wherein the film gas a thickness [D1] of 10 to 100 νm and has (1) steam permeability [TH2O] (according to JIS Z-0208), (2) oxygen gas permeability [T02] (according to JIS K-7126A), and (3) ethylene gas permeability [T ethylene] (according to JIS K-7126A) of the following values, respectively: (1) [TH2O] = 9 to 50 (unit: g/m2 24 Hr); (2) [T¿02?] = 600 to 12500 (unit: nmol (STP)/m?2¿.s 100 kPa); (3) [T ethylene] = 600 to 22500 (unit: nmol (STP)/m2.s 100 kPa).

6. 发明专利

JP2003012825A Gas permeable film having uneven form 审中-公开
标题翻译：具有未来形式的气体渗透膜
公开(公告)号：JP2003012825A
公开(公告)日：2003-01-15
申请号：JP2001193509
申请日：2001-06-26
申请人： Chisso Corp , Chisso Sekiyu Kagaku Kk , チッソ株式会社 , チッソ石油化学株式会社
发明人： ANDO YUJI , NISHITANI TAKAYUKI
IPC分类号： C08J5/18 , B29C55/02 , B29K23/00 , B29L7/00 , C08F297/08
摘要： PROBLEM TO BE SOLVED: To provide a packaging film excellent in packaging aptitude which has high gas permeability and moisture permeability without pore and cutout section.
SOLUTION: A gas permeable film has an uneven form comprising substantially continuous protrusion parts and discrete recess parts divided with the protrusion parts which is formed on at least one side of a film comprising a propylene- based block copolymer having a specific composition. The uneven form satisfies the following requirements: (1) the thickness d
a of the recess part is 0.003-0.05 nm, and the d
a /d
b , a rate of the recess thickness d
a based on protrusion thickness d
b , is 0.05≤d
a /d
b ≤0.8; and (2) the S
a /S
b , a rate of the recess area S
a based on protrusion area S
b on a film surface having the uneven form, is 0.1≤S
a /S
b ≤5.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种在没有孔和切口部分的情况下具有优异的气体渗透性和透湿性的包装性能优异的包装膜。解决方案：透气膜具有不均匀形状，其包括基本上连续的突出部分和分开的凹部，该突起部分和突出部分分开形成在包含具有特定组成的基于丙烯的嵌段共聚物的膜的至少一侧上。凹凸形状满足以下要求：（1）凹部的厚度da为0.003〜0.05nm，基于突出厚度db的凹部厚度da的da / db为0.05 <= da / db <= 0.8; 和（2）Sa / Sb，基于凹凸区域Sa的凹凸面积Sa的比例为0.1≤Sa/Sb≤5。

7. 发明专利

JP2002165555A WRAPPING FILM FOR VEGETABLE/FRUIT 失效
公开(公告)号：JP2002165555A
公开(公告)日：2002-06-11
申请号：JP2000366313
申请日：2000-11-30
申请人： CHISSO CORP , CHISSO SEKIYU KAGAKU KK
发明人： SAKAMOTO SHUJI , ANDO YUJI , NISHITANI TAKAYUKI
IPC分类号： B65D81/26 , A23B7/00 , B65D65/02 , B65D85/34
摘要： PROBLEM TO BE SOLVED: To provide a wrapping film for vegetable/fruit, suitable for MA wrapping, having excellent gas permeability with no reduction due to the water content transpired from vegetable/fruit, slightly clinging to the vegetable/fruit under such a wide range of temperature from low level to relatively high level so that water leak resulting in water rot of vegetable/fruit is hard to be caused. SOLUTION: This wrapping film for vegetable/fruit comprises a thermoplastic resin composition containing an anti-fogging agent and a specific uneven configuration comprising substantially continuous convex parts and discontinuous concave parts partitioned by the convex parts is formed on the surface of the film with which the vegetable/fruit comes in contact.

8. 发明专利

JP2001151818A POLYPROPYLENE AND POLYPROPYLENE FILM 失效
公开(公告)号：JP2001151818A
公开(公告)日：2001-06-05
申请号：JP2000116635
申请日：2000-04-18
申请人： CHISSO CORP
发明人： KAWAMOTO HISAFUMI , SHIRAISHI YASUHIRO , SAWAI ATSUKO , ANDO YUJI , NAKADA SHINJI , MINAMIZAWA NAONOBU , SAKABE ICHIRO , ONO KATSUHIKO
IPC分类号： C08J5/18 , C08F110/06
摘要： PROBLEM TO BE SOLVED: To provide a polypropylene excellent in stiffness and having good properties for metalizing and suitable for film forming and a film obtained by forming the polypropylene. SOLUTION: The polypropylene has following properties each having a specific range and the film is obtained by forming the propylene. (1) isotactic pentad fraction, (2) melt flow rate, (3) weight average molecular weights of soluble fractions at

9. 发明专利

JP2002315446A COVERING MATERIAL FOR PROTECTED HORTICULTURE 失效
公开(公告)号：JP2002315446A
公开(公告)日：2002-10-29
申请号：JP2001126452
申请日：2001-04-24
申请人： CHISSO CORP , CHISSO SEKIYU KAGAKU KK
发明人： SAKAMOTO SHUJI , ANDO YUJI
IPC分类号： A01G13/02 , A01G9/14 , C08J5/18 , C08J7/04
摘要： PROBLEM TO BE SOLVED: To provide a covering material which is used for protected horticulture, has an excellent antifogging property, and scarcely deteriorates the antifogging property for a long period, even when opening and closing works comprising the winding and unwinding of the covering material are repeated for ventilation, heat insulation, soil control by the feeding of rain water, and by the utilization of the differences of temperatures, for the coloration promotion, the sugar contents improvement and dormancy breaking. SOLUTION: This covering material is obtained by forming an antifogging coating film on the uneven surface of a thermoplastic resin film having a specific uneven shape, is used for winding and unwinding works, because the antifogging coating film is protected by the uneven shape.

10. 发明专利

JP2001106803A GAS-PERMEABILITY CONTROLLED FILM 失效
公开(公告)号：JP2001106803A
公开(公告)日：2001-04-17
申请号：JP28161299
申请日：1999-10-01
申请人： CHISSO CORP
发明人： NAKADA SHINJI , SHIRAISHI YASUHIRO , ANDO YUJI , NAKAJIMA TAKANORI
IPC分类号： C08J5/18 , B32B27/32 , C08L23/14
摘要： PROBLEM TO BE SOLVED: To prepare an oriented polypropylene film having gas permeability necessary for keeping freshness of the content and used as a packaging material and capable of controlling the ratio of gas permeability according to necessity. SOLUTION: This film comprises a monolayer or multilayer film having a thickness [D1] of 10-100 μm containing at least one layer of a film obtained by stretching a propylene resin composition in one axis direction and composed of a propylene/α-olefin randam copolymer (A) comprising 99.4-99.9 wt.% propylene content and a propylene/α-olefin randam copolymer (B) comprising 45-70 wt.% propylene content. The copolymer B has an intrinsic viscosity [η]B of at most 2.0 dl/g and contains at least 80 wt.% xylene soluble component at 20 deg.C based on the weight of B. The intrinsic viscosity ratio of B to A, [η]B/[η]A, is 0.3-1.2.

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