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1. 发明专利

JP2000246852A AGRICULTURAL MULTILAYERED FILM 失效
公开(公告)号：JP2000246852A
公开(公告)日：2000-09-12
申请号：JP5367599
申请日：1999-03-02
申请人： MITSUBISHI CHEM MKV CO
发明人： YOKOYAMA KAZUHIKO , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To provide an agricultural polyolefinic multilayered film especially excellent in initial transparency, opening properties and long-term light permeability (dust-proof properties) and excellent in various capacities such as anti- fogging lasting properties, mechanical strength or the like. SOLUTION: In an agricultural multilayered film, at least one layer comprising a resin compsn. containing an ethylene/α-olefin copolymer resin (A) obtained by copolymerization using a metallocene catalyst and a high density polyethylene resin (B) in a wt. ratio (A)/(B) of 99/1-70/30 and compounded with 60 wt.% or more of these resins in total is constituted on an outer layer and/or an inner layer. The ethylene/α-olefin copolymer resin (A) has characteristic values such that (a) a constitutional unit derived from an α-olefin in an ethylene/3-10C α- olefin copolymer resin is 30 wt.% or less, (b) a melt flow rate is 0.1-10 g/10 min, (c) a density is 0.88-0.930 g/cm3 and (d) a mol.wt. distribution (wt. average mol.wt./number average mol.wt.) is 1.5-3.5.

2. 发明专利

JP2001016998A AGRICULTURAL VINYL CHLORIDE-BASED RESIN FILM 失效
公开(公告)号：JP2001016998A
公开(公告)日：2001-01-23
申请号：JP19859899
申请日：1999-07-13
申请人： MITSUBISHI CHEM MKV CO
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , MURAKAMI KAZUYOSHI , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/30
摘要： PROBLEM TO BE SOLVED: To obtain an agricultural vinyl chloride-based resin film having improved physical properties (elongation, strength, impact resistance) at a low temperature, and further having markedly reduced deterioration of its physical properties (elongation, strength, dust-preventing property, etc.), on being exposed in the outdoors (after an elapsed time). SOLUTION: This agricultural vinyl chloride-based resin film is characterized by forming a membrane of a composition consisting of a non-fluorine-containing acrylic resin and a fluorine-containing acrylic resin consisting of a copolymer containing a perfluoroalkyl(meth)acrylate monomer on the one side surface or both surfaces of a vinyl chloride-based resin film obtained by blending 0.5-20 pt.wt. chlorinated polyethylene and 30-60 pt.wt. plasticizer based on 100 pts.wt. vinyl chloride-based resin.

3. 发明专利

JP2001224258A VINYL CHLORIDE-BASED RESIN FILM FOR AGRICULTURE 失效
公开(公告)号：JP2001224258A
公开(公告)日：2001-08-21
申请号：JP2000037351
申请日：2000-02-16
申请人： MITSUBISHI CHEM MKV CO
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , MURAKAMI KAZUYOSHI , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , C08J5/18
摘要： PROBLEM TO BE SOLVED: To prepare a vinyl chloride-based resin film for agriculture, excellent in physical properties, and the like, at a low temperature. SOLUTION: This vinyl chloride-based resin film for agriculture is characterized in that the film comprises 100 pts.wt. vinyl chloride-based resin consisting of (A) 5-100 pts.wt. chlorinated vinyl chloride-based resin having 60-75 wt.% average chlorine content and (B) 95-0 pts.wt. other vinyl chloride-based resins, (C) 0.5-20 pts.wt. chlorinated polyethylene and 30-60 pts.wt. plasticizer.

4. 发明专利

JP2001026080A AGRICULTURAL VINYL CHLORIDE RESIN FILM 失效
公开(公告)号：JP2001026080A
公开(公告)日：2001-01-30
申请号：JP19859999
申请日：1999-07-13
申请人： MITSUBISHI CHEM MKV CO
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , MURAKAMI KAZUYOSHI , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/30 , C08F220/18 , C08J5/18 , C08J7/04 , C08K5/00 , C08L27/06 , C08L33/04
摘要： PROBLEM TO BE SOLVED: To provide an agricultural vinyl chloride resin film enhanced in physical properties (strength) at a time of low temp. and markedly reduced in the lowering of physical properties (strength, dustproof properties, adhesion or the like) after outdoor exposure (with the elapse of time). SOLUTION: A coating film of a compsn. based on an acrylic resin and a vinylidene fluoride resin is formed on the single surface or both surfaces of a vinyl chloride resin film comprising a compsn. prepared by mixing 0.5-20 pts.wt. of chlorinated polyethylene and 30-60 pts.wt. of a plasticizer with 100 pts.wt. of a vinyl chloride resin.

5. 发明专利

JP2001224259A VINYL CHLORIDE-BASED RESIN FILM FOR AGRICULTURE 失效
公开(公告)号：JP2001224259A
公开(公告)日：2001-08-21
申请号：JP2000039031
申请日：2000-02-17
申请人： MITSUBISHI CHEM MKV CO
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , MURAKAMI KAZUYOSHI , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , C08J5/18
摘要： PROBLEM TO BE SOLVED: To prepare a vinyl chloride-based resin film for agriculture, having reduced mutual adhesion without reducing the light transmittance, and excellent in physical properties at a low temperature and resistance to breakage at the time to extension. SOLUTION: This vinyl chloride-based resin film for agriculture is characterized by fine asperity formed on one or both surface of the vinyl chloride-based resin film obtained by mixing (A) a vinyl chloride-based resin, (B) a chlorinated polyethylene and a plasticizer.

6. 发明专利

JP2001220479A AGRICULTURAL VINYL CHLORIDE-BASED RESIN FILM 失效
公开(公告)号：JP2001220479A
公开(公告)日：2001-08-14
申请号：JP2000033078
申请日：2000-02-10
申请人： MITSUBISHI CHEM MKV CO
发明人： YASUI MITSUO , FUJIWARA KATSUHIRO , OYAMA KANAKO , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/30 , C08J5/18 , C08K3/00 , C08K3/22 , C08K3/26 , C08K3/36 , C08K5/00 , C08K5/20 , C08L27/06
摘要： PROBLEM TO BE SOLVED: To prepare an agricultural film excellent in physical properties at a low temperature even by compounding an inorganic particles. SOLUTION: This agricultural vinyl chloride-based film is characterized by incorporating 0.5-20 pts.wt. chlorinated polyethylene, 30-60 pts.wt. plasticizer and 0.1-15 pt.wt. inorganic particles based on 100 pts.wt. vinyl chloride-based resin.

7. 发明专利

JP2001211762A VINYL CHLORIDE-BASED RESIN FILM FOR AGRICULTURE 失效
公开(公告)号：JP2001211762A
公开(公告)日：2001-08-07
申请号：JP2000028624
申请日：2000-02-07
申请人： MITSUBISHI CHEM MKV CO
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , KINOSHITA KAZUYA , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/30
摘要： PROBLEM TO BE SOLVED: To provide an agricultural vinyl chloride-based resin film which has improved physical properties (elongation, strength and impact resistance) at low temperatures and scarcely deteriorates the physical properties on outdoor exposure (after the passage of time). SOLUTION: This vinyl chloride-based resin film for agriculture, characterized by coating the side or both the sides of a vinyl chloride-based resin film comprising 100 pts.wt. of a vinyl chloride-based resin A, 0.5 to 20 pts.wt. of chlorinated polyethylene and 30 to 60 pts.wt. of a plasticizer with the aqueous dispersion of an acrylic resin C to form the coating film.

8. 发明专利

JP2001016999A AGRICULTURAL VINYL CHLORIDE-BASED RESIN FILM 失效
公开(公告)号：JP2001016999A
公开(公告)日：2001-01-23
申请号：JP19860099
申请日：1999-07-13
申请人： MITSUBISHI CHEM MKV CO
发明人： FUJIWARA KATSUHIRO , YASUI MITSUO , MURAKAMI KAZUYOSHI , HARA HISAMA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/30
摘要： PROBLEM TO BE SOLVED: To obtain an agricultural vinyl chloride-based resin film having improved physical properties (strength) at a low temperature, and further having markedly reduced deterioration of its physical properties (strength, dust prevention, adhesion, anti-fog property, etc.), on being exposed in the outdoors (after an elapsed time). SOLUTION: This agricultural vinyl chloride-based resin film is characterized by forming a membrane derived from an anti-fog agent composition containing a silica sol and/or an alumina sol and a thermoplastic resin on the one side surface or both surfaces of a vinyl chloride-based resin film obtained by blending 0.5-20 pt.wt. chlorinated polyethylene and 30-60 pt.wt. plasticizer based on 100 pts.wt. vinyl chloride-based resin.

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