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1. 发明专利

JPH09233956A EXPANSION FILM FOR AGRICULTURE 失效
公开(公告)号：JPH09233956A
公开(公告)日：1997-09-09
申请号：JP4326296
申请日：1996-02-29
申请人： MITSUBISHI CHEM MKV CO , MITSUBISHI CHEM CORP
发明人： TASHIRO TAKESHI , YASUI MITSUO , OYAMA KANAKO , YAMAOKA HIROAKI , MIYAZAKI KEIKO
IPC分类号： A01G13/02 , A01G9/14 , C08G63/60 , C08J5/18 , C08L67/00 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To provide an expansion for agriculture, which improves weather resistance, tensile strength, biodegradability and environment maintainability and effective for house, etc., containing a specified aliphatic polyester copolymer, ultraviolet absorber and plasticizer in specified ratio and having thickness within a specified prescribed range. SOLUTION: Concerning an aliphatic polyester copolymer of 100 pts.wt., it is composed of an aliphatic hydroxycarboxylic acid such as lactic acid of 0.02-30 mole % in expression I (R is a divalent aliphatic hydrocarbon), aliphatic or alicyclic diol units such as ethylene glycol of 35-49.99 mole % in expression II (R is R or a divalent alicyclic hydrocarbon) and aliphatic dicarboxylic acid units such as oxalic acid of 35-49.99 mole % in expression III (R is a direct bond or R ), and has number-average molecular weight of 10,000 to 200,000. Concerning this film, an ultraviolet absorber such as benzophenone or benzotriasole ultraviolet absorber (B) of 0.005-5 pts.wt., and a plasticizer such as glycerin triacetate (C) of 0-50 pts.wt., are mixed with the aliphatic polyester copolymer (A) of 100 pts.wt., and its thickness is 0.05-0.3mm.

2. 发明专利

JPH09235360A MULCHING FILM FOR AGRICULTURE 失效
公开(公告)号：JPH09235360A
公开(公告)日：1997-09-09
申请号：JP4326196
申请日：1996-02-29
申请人： MITSUBISHI CHEM MKV CO , MITSUBISHI CHEM CORP , MITSUBISHI KAGAKU FOODS KK
发明人： TASHIRO TAKESHI , YASUI MITSUO , OYAMA KANAKO , YAMAOKA HIROAKI , MIYAZAKI KEIKO , SUGIMOTO NOBUNARI
IPC分类号： A01G13/00 , C08G63/60 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To obtain the subject film having a specific film thickness, comprising a specified aliphatic copolyester, capable of being easily produced by a general plastic molding method, excellent in thermal stability, tensile strength and biodegradability, and mild for environments. SOLUTION: This mulching film has a thickness of 0.01-0.1mm and comprises an aliphatic copolyester having a number-average mol.wt. of 10000-200000 and comprising (A) 0.02-30mol.% of a unit of the formula: 0-R -CO (R is a divalent aliphatic hydrocarbon group), such as the unit of the formula [(a) is 0-10] (e.g. lactic acid unit, glycolic acid unit), (B) 35-49,99mol.% of a unit of the formula: 0-R -0 R is R such as a group of the formula: (CH2 )n [(n) is 2-10], a divalent aliphatic hydrocarbon group(e.g. the group having three to ten carbon atoms) and (C) 35-49.99mol.% of a unit of the formula: OC-R -CO R is R such as a group of the formula: (CH2 )m [(m) is 0-10], a single bond}, e.g. succinic acid units.

3. 发明专利

JP2003327767A Agricultural vinyl chloride resin film 审中-公开
标题翻译：农业氯乙烯树脂膜
公开(公告)号：JP2003327767A
公开(公告)日：2003-11-19
申请号：JP2002135383
申请日：2002-05-10
申请人： Mitsubishi Chem Mkv Co , 三菱化学エムケーブイ株式会社
发明人： YASUI MITSUO , FUJIWARA KATSUHIRO , NIKAIDO KANAKO , MAEKAWA HIDETO
IPC分类号： C08J7/04 , C08J5/18 , C08K5/07 , C08K5/10 , C08L23/28 , C08L27/06 , C08L33/10 , C08L51/04
摘要： PROBLEM TO BE SOLVED: To provide an agricultural film excellent not only in tear strength and tensile elongation but also in physical properties (strength and impact resistance) at a low temperature, visual appearance and light transmittance. SOLUTION: The vinyl chloride resin film for agriculture is obtained by blending 40-60 pts.wt. of a plasticizer with 100 pts.wt. of a vinyl chloride resin which has an average degree of polymerization of 1,750 to 1,850 and has a relational expression of 1.9≤Mw/Mn≤2.3 between the weight-average molecular weight (Mw) and the number-average molecular weight (Mn). The film with a thickness of 0.1 mm has: (a) impact strength at -15°C of 0.5 J or higher; (b) Elmendorf tear strength at 23°C of 7.5 N or higher; and (c) tensile elongation at break of 300% or greater. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供不仅在撕裂强度和拉伸伸长率以及在低温下的物理性能（强度和耐冲击性），视觉外观和透光率方面优异的农用膜。解决方案：用于农业的氯乙烯树脂膜通过混合40-60重量份的具有100重量份的增塑剂的平均聚合度为1750〜1850，在重均分子量（Mw）与数均分子量（Mn）之间的关系式为1.9≤Mw/Mn≤2.3的氯乙烯树脂。厚度为0.1mm的膜具有：（a）在-15℃下的冲击强度为0.5J以上; （b）23℃下的Elmendorf撕裂强度为7.5N以上; 和（c）断裂伸长率为300％以上。版权所有（C）2004，JPO

4. 发明专利

JP2001016997A AGRICULTURAL VINYL CHLORIDE-BASED RESIN FILM 失效
公开(公告)号：JP2001016997A
公开(公告)日：2001-01-23
申请号：JP19533499
申请日：1999-07-09
申请人： MITSUBISHI CHEM MKV CO
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , TAKAZAWA TAKASHI , OYAMA KANAKO
IPC分类号： A01G13/02 , A01G9/14 , C08J5/18 , C08K5/00 , C08L27/06
摘要： PROBLEM TO BE SOLVED: To obtain an agricultural vinyl chloride-based resin film without reducing its anti-fog property-sustaining property and also exhibiting the anti-fog property for a long period of time. SOLUTION: This agricultural vinyl chloride-based resin film is characterized by blending 0.5-20 pt.wt. chlorinated polyethylene and 30-60 pt.wt. plasticizer, 0.8-5 pt.wt. anti-fog agent, 0.01-0.7 pt.wt. fluorine-containing compound based on 100 pts.wt. vinyl chloride-based resin.

5. 发明专利

JP2000316393A VINYL CHLORIDE RESIN FILM FOR AGRICULTURE 失效
公开(公告)号：JP2000316393A
公开(公告)日：2000-11-21
申请号：JP12564299
申请日：1999-05-06
申请人： MITSUBISHI CHEM MKV CO
发明人： YASUI MITSUO , TAKAZAWA TAKASHI
IPC分类号： A01G13/02 , A01G9/14 , C08J5/18
摘要： PROBLEM TO BE SOLVED: To provide a vinyl chloride resin film for agriculture enabling an easy winding work, and excellent in antifog property in the initial period of spreading and for long term. SOLUTION: This vinyl chloride resin film for agriculture is prepared by compounding vinyl chloride resin film with (A) methylenebisstearoamide and (B) ethylenebislaurylamide. Herein, the total amount of the (A) and (B) is 0.05-2 pts.wt. based on 100 pts.wt. of the vinyl chloride resin, and the weight ratio of the (A) to the (B) is in the range of (20 to 1) to (1 to 0.9).

6. 发明专利

JP2000127309A FLEXIBLE POLYPROPYLENE-BASED RESIN FILM 失效
公开(公告)号：JP2000127309A
公开(公告)日：2000-05-09
申请号：JP29937598
申请日：1998-10-21
申请人： MITSUBISHI CHEM MKV CO
发明人： NAKAI TAKEMOTO , YASUI MITSUO
IPC分类号： C08J5/18 , B32B27/00 , B32B27/32 , C08L23/14
摘要： PROBLEM TO BE SOLVED: To provide a flexible polypropylene-based resin film used in a bag for bedding, which has favorable heat-sealing properties, a heat resistance, a transparency, a flexibility and a folding wrinkle resistance. SOLUTION: This resin film is a laminated film consisting of an intermediate layer containing a random propylene-based copolymer and an inner and an outer layers, each of which contains 85-60 wt.% of the random propylene-based copolymer and 15-40 wt.% of a hydrogenated diene-based copolymer and has the tensile modules of 2,500-5,000 kg/cm2.

7. 发明专利

JPH09193319A VINYL CHLORIDE RESIN FILM FOR AGRICULTURE 失效
公开(公告)号：JPH09193319A
公开(公告)日：1997-07-29
申请号：JP1006496
申请日：1996-01-24
申请人： MITSUBISHI CHEM MKV CO
发明人： TASHIRO TAKESHI , YASUI MITSUO , OYAMA KANAKO , OBAYASHI ATSUSHI
IPC分类号： A01G13/02 , A01G9/14 , B32B23/08 , B32B27/12 , B32B27/18 , B32B27/20 , B32B27/30 , C08K5/34 , C08K5/3435 , C08K5/52 , C08K5/521 , C08L27/06 , C08L67/00 , C08L79/00 , C08L79/08 , C09K15/32
摘要： PROBLEM TO BE SOLVED: To provide a vinyl chloride resin film for agriculture with neither browning nor deterioration even when it is extended for a long period and with excellent weatherability. SOLUTION: A group of filaments consisting of a vinyl chloride resin fiber the surface of which is treated with a water-soluble polymer or an acrylic resin contg. at least one hydroxyl group in a molecule (chain) is placed between two vinyl chloride resin films prepd. by compounding at least one partial ester of an org. phosphoric acid (A) with a specified structure and a hindered amine compd. (B) contg. at least one specified structural unit in a molecule in such a way that 0.02-8 pts.wt. of the total amt. of (A) and (B) are compounded to 100 pts.wt. vinyl chloride resin and the wt. ratio of (A):(B) is within a range of 15:1-1:15.

8. 发明专利

JPH08174772A AGRICULTURAL VINYL CHLORIDE RESIN FILM 失效
公开(公告)号：JPH08174772A
公开(公告)日：1996-07-09
申请号：JP32067594
申请日：1994-12-22
申请人： MITSUBISHI CHEM MKV CO
发明人： TASHIRO TAKESHI , YASUI MITSUO , OYAMA KANAKO
IPC分类号： A01G13/02 , A01G9/14 , B32B27/12 , B32B27/30
摘要： PURPOSE: To provide an agricultural film combined with a fiber wherein it can be treated for reuse in the same process as that for a general waste agricultural film, physical properties and appearance of an obtained molded product are good, and it is free from generation of breakage even though used by developing tensely for a long term. CONSTITUTION: Two sheets of a vinyl chloride resin film are laminated via a vinyl chloride resin fiber which is surface-treated by an acrylic resin containing at least one hydroxyl groups in a water-soluble polymer or molecule (chain).

9. 发明专利

JP2004057103A Vinyl chloride-based resin film for agriculture 审中-公开
公开(公告)号：JP2004057103A
公开(公告)日：2004-02-26
申请号：JP2002221135
申请日：2002-07-30
申请人： Mitsubishi Chem Mkv Co , 三菱化学エムケーブイ株式会社
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , NIKAIDO KANAKO , MAEKAWA HIDETO
IPC分类号： A01G13/02 , A01G9/14 , B29C47/00 , B29K27/06 , B29K105/16 , B29L7/00 , C08J5/18 , C08J7/04 , C08K5/00 , C08L27/06
CPC分类号： Y02A40/252
摘要： PROBLEM TO BE SOLVED: To provide a film for agriculture, having excellent tear strength and excellent properties (strength and impact resistance) at low temperature.
SOLUTION: The vinyl chloride-based resin film for the agriculture is obtained by compounding 40-60 pts. wt. plasticizer with 100 pts. wt. vinyl chloride-based resin having 1,400-2,000 average degree of polymerization and satisfying the relation of the formula: 2.3

10. 发明专利

JP2000158604A LAMINATE 失效
公开(公告)号：JP2000158604A
公开(公告)日：2000-06-13
申请号：JP34139998
申请日：1998-12-01
申请人： MITSUBISHI CHEM MKV CO
发明人： NAKAI TAKEMOTO , YASUI MITSUO , FUKUI YOSHIAKI
IPC分类号： B32B27/28 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To provide a laminate excellent in thermal laminating processability, bonding processability with a high frequency welder and flexibility. SOLUTION: A laminate has an inner layer containing an ethylene/vinyl acetate copolymer with a vinyl acetate content of 2-15 wt.% or an ethylene/3-10 C α-olefin copolymer with a density of of 0.89-0.92 g/cm3 and an intermediate layer containing an ethylene/vinyl acetate copolymer with a vinyl acetate content of 15-25 wt.% and an outer layer containing a polyethylenic resin with an m.p. of 110-125 deg.C. In this case, a ratio of the thickness of the intermediate layer and the combined thickness of the inner and outer layers is set to intermediate layer/(inner layer+outer layer)=2/1-6/1.

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