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1. 发明专利

JP2004159589A Polyolefin-based resin multilayer film for agriculture 审中-公开
公开(公告)号：JP2004159589A
公开(公告)日：2004-06-10
申请号：JP2002330755
申请日：2002-11-14
申请人： Mitsubishi Chem Mkv Co , 三菱化学エムケーブイ株式会社
发明人： ONISHI SHUNICHI , KINOSHITA KAZUYA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/32
CPC分类号： Y02A40/252
摘要： PROBLEM TO BE SOLVED: To prepare a polyolefin-based resin multilayer film for agriculture, having excellent balance of properties between heat fusion-preventing properties and antifog properties.
SOLUTION: This multilayer film for the agriculture has three or more layers comprising a polyolefin-based resin composition. The film has 0.03-1 wt.% content of bisamides contained in the whole layers, and the percentage of (content of the bisamides in an intermediate layer/content of the bisamides in the all layers) is ≥120%.
COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2003289727A Ultraviolet-screening polyolefin multilayer film for agriculture 审中-公开
标题翻译：用于农业的超紫外线聚烯烃多层膜
公开(公告)号：JP2003289727A
公开(公告)日：2003-10-14
申请号：JP2002102811
申请日：2002-04-04
申请人： Mitsubishi Chem Mkv Co , 三菱化学エムケーブイ株式会社
发明人： ONISHI SHUNICHI , KINOSHITA KAZUYA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/32
CPC分类号： Y02A40/252
摘要： PROBLEM TO BE SOLVED: To provide an ultraviolet-screening polyolefin resin multilayer film for agriculture excellent in tone when being formed into a film, the sustained retention capacity of ultraviolet-screening property and weather resistance for a long period.
SOLUTION: This ultraviolet-screening polyolefin multilayer film for agriculture contains 0.05-1 wt.% of a hindered amine weather-resistant agent in all the layers and a benzotriazole ultraviolet absorber in the middle layer. The result of the relation, [(the rate of content of the ultraviolet absorber in the middle layer)/(the rate of content of the ultraviolet absorber in all the layers)] is ≥140%. The film does not substantially transmit at least ultraviolet of wavelength of ≤370 nm.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供一种成膜时具有优异色调的农业用紫外线屏蔽聚烯烃树脂多层膜，长时间的紫外线遮蔽性和耐候性的持续保留能力。解决方案：该用于农业的紫外线屏蔽聚烯烃多层膜在所有层中含有0.05-1重量％的受阻胺耐候剂和中间层中的苯并三唑紫外线吸收剂。关系的结果为[（中间层的紫外线吸收剂的含有率）/（所有层的紫外线吸收剂的含有率）]≥140％。该膜基本上不透射至少≤370nm的波长的紫外线。版权所有（C）2004，JPO

3. 发明专利

JP2004173530A Agricultural polyolefin resin multilayer film 有权
公开(公告)号：JP2004173530A
公开(公告)日：2004-06-24
申请号：JP2002341176
申请日：2002-11-25
申请人： Mitsubishi Chem Mkv Co , 三菱化学エムケーブイ株式会社
发明人： ONISHI SHUNICHI , KINOSHITA KAZUYA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , B32B27/32
CPC分类号： Y02A40/252
摘要： PROBLEM TO BE SOLVED: To prepare an agricultural polyolefin resin multilayer film excellent in performance balance between a quick-acting antistatic property and dust protection.
SOLUTION: This agricultural polyolefin resin multilayer film has at least three layers each comprising a polyolefin resin composition. The outer layer of the film for a greenhouse comprises (A) a fluorochemical surfactant and (B) an alkyl diethanolamide wherein the weight ratio A/B is 8/2 to 2/8 and the total content of A and B in the outer layer polyolefin resin is 0.1-1 wt.%.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2002370329A Multilayered film for agriculture 审中-公开
标题翻译：农业多层膜
公开(公告)号：JP2002370329A
公开(公告)日：2002-12-24
申请号：JP2001183462
申请日：2001-06-18
申请人： Mitsubishi Chem Mkv Co , 三菱化学エムケーブイ株式会社
发明人： YOKOYAMA KAZUHIKO , YAMAGISHI HIROSHI , KINOSHITA KAZUYA , YOSHIMURA EMI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/28 , B32B27/32 , C08F210/16
CPC分类号： Y02A40/252
摘要： PROBLEM TO BE SOLVED: To provide a film which exhibits good film appearance (transparency and see-through) and high balance of mechanical strength and ease of opening, and further, satisfies beam transmission property (dust proofness and haze-proof durability) during stretching over time. SOLUTION: This multilayered film of a polyolefin resin for agriculture comprises an outer layer and an inner layer of a film which are composed of a resin composition containing not less than 55 wt.% of an ethylene-α-olefin copolymer resin (A) with specified properties obtained by copolymerizing it with the help of a metallocene catalyst, an intermediate layer composed mainly of an ethylene/vinyl acetate copolymer resin with a vinyl acetate content of 5 to 25 wt.% and 2 to 25 wt.% of inorganic fine particle containing at least one atom selected from among Mg, Ca, Zn, Al, Si and Li. On the surface of the inner layer of this layered film of an at least three-tier construction, a haze-proof coating film composed mainly of a binder resin and an inorganic colloidal sol is formed.
摘要翻译：要解决的问题：提供具有良好的膜外观（透明性和透视性）以及高机械强度平衡和开放性的薄膜，并且还能满足拉伸期间的透光性（防尘性和防雾耐久性）随着时间的推移。解决方案：用于农业的聚烯烃树脂的多层膜包括外层和内层，该树脂组合物由含有不少于55重量％的乙烯-α-烯烃共聚物树脂（A）与通过在金属茂催化剂的帮助下共聚获得的特定性能，主要由乙酸乙烯酯含量为5至25重量％的乙烯/乙酸乙烯酯共聚物树脂和2至25重量％的无机细颗粒组成的中间层含有选自Mg，Ca，Zn，Al，Si和Li中的至少一种原子。在至少三层结构的层状膜的内层的表面上，形成主要由粘合剂树脂和无机胶体溶胶构成的防雾涂膜。

5. 发明专利

JPH09111227A ANTI-FOGGING AGENT COMPOSITION 失效
公开(公告)号：JPH09111227A
公开(公告)日：1997-04-28
申请号：JP27121195
申请日：1995-10-19
申请人： MITSUBISHI CHEM MKV CO
发明人： ONISHI SHUNICHI , MOMOHIRA SATORU , KINOSHITA KAZUYA , OBAYASHI ATSUSHI
IPC分类号： C09K3/18
摘要： PROBLEM TO BE SOLVED: To obtain an anti-fogging agent composition having excellent adhesivity to the surface of a molded article, developing the anti-fogging effect within a short time, keeping the anti-fogging effect over a long period and useful for the treatment of agricultural film, etc., by using an aqueous dispersion of a specific resin, an inorganic colloid sol and a univalent electrolyte as essential components. SOLUTION: This anti-fogging agent composition contains, as essential components, (A) an aqueous dispersion of a hydrophobic acrylic resin having a glass transition temperature of 35-80 deg.C [e.g. a polymer produced by polymerizing >=60wt.% of an alkyl (meth)acrylate or its mixture with an alkenylbenzene and 0-40wt.% of an α,β-ethylenic unsaturated monomer copolymerizable with the acrylic resin, etc., (B) an inorganic colloid sol (silica sol or alumina sol having an average solid particle diameter of 5-100mμ and (C) a univalent electrolyte excluding chlorine compound (e.g. acetic acid, sodium acetate or magnesium acetate). The amount of the component C is 0.01-30 pts.wt. based on 100 pts.wt. of the solid content of the component B.

6. 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.

7. 发明专利

JPH10138414A POLYETHYLENE TEREPHTHALATE FILM FOR AGRICULTURE 失效
公开(公告)号：JPH10138414A
公开(公告)日：1998-05-26
申请号：JP30168696
申请日：1996-11-13
申请人： MITSUBISHI CHEM MKV CO
发明人： SUGA MUTSUO , KINOSHITA KAZUYA , TAKAZAWA TAKASHI , OBAYASHI ATSUSHI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , B32B27/30 , B32B27/36
摘要： PROBLEM TO BE SOLVED: To improve mechanical strength, weather resistance, light resistance and outdoor stretching resistance for a long period of time by a method wherein a resin film, consisting of the principal constituents of acryl based resin and saturated polyester based resin, which are the mixed polymer of specified constituents and are blended with ultraviolet ray absorbing agent while being provided with a specified thickness, is formed on one side of a biaxially oriented polyethylene terephthalate film. SOLUTION: A PET film for agriculture is prepared by forming a resin film, consisting of principal constituents of acryl based resin, blended with ultraviolet ray absorbing agent and provided with thickness of 1-10μm, and a saturated polyester based resin B, on one side of a biaxially oriented polyethylene terephthalate(PET) film. In this case, the acryl resin contains graft copolymer, consisting principally of crosslinking acrylic acid ester based elastic body obtained by polymerizing the mixture of methacrylic acid ester monomer and vinyl based monomer under the existence of the particles of crosslinking acrylic acid ester based elastic body A, while the rate of the elastic body A in acryl based resin is 5-80wt.%, the rate of resin B in the resin film is 1-50wt.% and the weight ration of A/B is 1/1-20/1.

8. 发明专利

JPH09136980A FLUORORESIN FILM FOR AGRICULTURE 失效
公开(公告)号：JPH09136980A
公开(公告)日：1997-05-27
申请号：JP29945195
申请日：1995-11-17
申请人： MITSUBISHI CHEM MKV CO
发明人： ONISHI SHUNICHI , MOMODAIRA SATORU , OBAYASHI ATSUSHI , KINOSHITA KAZUYA
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , B32B27/30 , C08J7/04
摘要： PROBLEM TO BE SOLVED: To obtain a film for agriculture that is good in durability and excellent in long-term fog resistance. SOLUTION: This fluororesin film for agriculture comprises a fluororesin film the wettability of one surface or both surfaces of which is 35dyn/cm or more (in accordance with JIS K 6768) and a coating formed on the surface of the fluororesin film, the coating being made of a composition comprising two major components: (A) an aqueous emulsion of an acrylic resin having ultraviolet absorbing groups or/and light stabilizing groups and (B) an inorganic colloid sol, with the ratio of the component (B) in terms of solid to the component (A) being at least 0.5 and at most 4.

9. 发明专利

JPH09123364A AGRICULTURAL POLYETHYLENE TEREPHTHALATE FILM 失效
公开(公告)号：JPH09123364A
公开(公告)日：1997-05-13
申请号：JP28517395
申请日：1995-11-01
申请人： MITSUBISHI CHEM MKV CO
发明人： OBAYASHI ATSUSHI , MOMOHIRA SATORU , KINOSHITA KAZUYA , ONISHI SHUNICHI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , B32B27/30 , B32B27/36 , C08J7/04 , C08K3/00 , C08L25/02 , C08L33/04 , C08L33/06 , C08L51/06 , C09D125/00 , C09D125/02 , C09D133/04 , C09D133/06 , C09D151/00 , C09D151/06
摘要： PROBLEM TO BE SOLVED: To provide an agricultural polyethylene terephthalate film which makes it possible to detect the defogging properties in a short time and to largely improve the continuity thereof. SOLUTION: The agricultural polyethylene terephthalate film comprises a film made of acrylic resin having a thickness of 1 to 10μm mixed with ultraviolet absorber formed on one side surface of a biaxially oriented polyethylene terephthalate film and a film derived from defogging composition containing (a) water dispersant of hydrophobic acrylic resin having a glass transition temperature obtained by polymerizing 60 to 100wt.% of mixture of (meth)acrylate alkyl ester or (meth)acrylate alkyl ester and alkenyl benzene, and 0 to 40wt.% of α-, β-ethylenically unsaturated monomer copolymerizable therewith of a range of 35 to 80 deg.C, (b) inorganic colloidal sol, and (c) 0.01 to 30 pts.wt. of water soluble inorganic chlorine compound to 100 pts.wt. of solid content of the component (b) formed on the other surface.

10. 发明专利

JPH09117991A AGRICULTURAL POLYETHYLENE TEREPHTHALATE FILM 失效
公开(公告)号：JPH09117991A
公开(公告)日：1997-05-06
申请号：JP27812195
申请日：1995-10-25
申请人： MITSUBISHI CHEM MKV CO
发明人： OBAYASHI ATSUSHI , MOMODAIRA SATORU , KINOSHITA KAZUYA , ONISHI SHUNICHI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , B32B27/30 , B32B27/36 , C08J7/04 , C08K3/00 , C08L33/04 , C08L33/06 , C09D133/04 , C09D133/06
摘要： PROBLEM TO BE SOLVED: To develop anti-fogging properties within a short time and to improve the lasting properties thereof to a large extent. SOLUTION: A film composed of an anti-fogging compsn. containing an aq. dispersion (a) of a hydrophobia acrylic resin with glass transition temp. of 35-80 deg.C, an inorg. colloid sol (b) and a water-soluble inorg. chlorine compd. (c) added in an amt. of 0.01-30 pts.wt. per 100 pts.wt. of the solid (b) is formed on the single surface or both surfaces of a polyethylene terephthalate film containing an ultraviolet absorber.

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