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1. 发明专利

JP2002209453A LIGHTPROOF AGRICULTURAL POLYOLEFIN-BASED RESIN FILM 失效
公开(公告)号：JP2002209453A
公开(公告)日：2002-07-30
申请号：JP2001005941
申请日：2001-01-15
申请人： KASEI CO C I
发明人： NAKAGAWA YASUHIRO , WADA NOBUAKI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/32 , C08K3/04 , C08K3/22 , C08K5/00 , C08L23/06 , C08L23/08
摘要： PROBLEM TO BE SOLVED: To provide a lightproof agricultural polyolefin-based resin film excellent in light reflectance at the inner surface, a film strength and durability and having 5-layer structure. SOLUTION: This lightproof agricultural polyolefin-based resin film used for coating agricultural facilities or the like has the 5-layer structure in order of a transparent resin layer comprising linear low-density polyethylene resin as a main component, a white resin layer prepared by compounding a titanium dioxide pigment to the resin component comprising the linear low-density polyethylene resin as the main component, a gray resin layer prepared by compounding the titanium dioxide pigment and a carbon black pigment to the resin component comprising the linear low-density polyethylene resin as the main component, a white resin layer prepared by compounding the titanium dioxide pigment to a resin component composed of a polyolefin-based resin containing 5-28 wt.% of vinyl acetate and a transparent resin layer composed of a polyolefin- based resin containing 3-15 wt.% of vinyl acetate described from the outside layer and has the whole film thickness within the range of 75-160 μm and >=99.9% light-shielding ratio.

2. 发明专利

JPH1177915A AGRICULTURAL POLYOLEFIN RESIN MULTILAYER FILM 失效
公开(公告)号：JPH1177915A
公开(公告)日：1999-03-23
申请号：JP24436897
申请日：1997-09-09
申请人： KASEI CO C I
发明人： NISHIKATA AKIRA , NAKAGAWA YASUHIRO , WADA NOBUAKI , HASHIMOTO HIDEAKI , SUGIYAMA AKINORI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/28 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To provide an agricultural polyolefin resin multilayer film having small mixing ratio of defogging agent and given defogging effect including long-term persistence. SOLUTION: The agricultural polyolefin resin multilayer film comprises (a) a protective layer made of polyethylene having a density of 0.940 g/cm or less, (b) a heat insulating layer made of EVA of 3 to 20 wt.% of polyolefin or vinyl acetate content containing inorganic filler, (c) a defogging agent shut-off layer made of EVA of 2 wt.% or less of polyolefin or vinyl acetate content and (d) a defogging layer made of EVA of 4 to 20 wt.% of vinyl acetate content containing nonionic surfactant to be sequentially laminated from an outer surface toward an inner surface.

3. 发明专利

JPH0211650A AGRICULTURAL VINYL CHLORIDE RESIN FILM 失效
公开(公告)号：JPH0211650A
公开(公告)日：1990-01-16
申请号：JP16063688
申请日：1988-06-30
申请人： KASEI CO C I
发明人： NAKAGAWA YASUHIRO
IPC分类号： A01G9/14 , C08K5/52 , C08L27/06
摘要： PURPOSE:To obtain the title film of improved long-term retentivity of nonhazing and nonfogging properties by mixing a vinyl chloride resin with a fluorinated surfactant, an organic phosphate and an antifogging agent. CONSTITUTION:100 pts.wt. vinyl chloride resin (A) (e.g., vinyl chloride homopolymer or its copolymer with ethylene or vinyl acetate of a degree of polymerization of 800-2500) is blended with 0.01-0.7, desirably, 0.05-0.5 pt.wt. fluorinated surfactant (B) (e.g., one having a water solubility of at least 0.001wt.%, desirably, 0.01% and an ability to lower the surface tension of water to 30dyn/cm at 25 deg.C), 0.3-10 pts.wt., desirably, 0.3-10 pts.wt., desirably, 0.5-5 pts.wt. organic phosphorus compound (C) of the formula (wherein R1, R2, R3 and R4 may be the same or different and are each a hydrocarbon group having a chain interrupted by an oxygen atom), and 0.8-5 pts.wt., desirably, 1.3-3 pts.wt. antifogging agent (D) (e.g., sorbitan monostearate), and the blend is formed into an agricultural flexible vinyl chloride resin film.

4. 发明专利

JP2001320980A AGRICULTURAL SYNTHETIC RESIN FILM HAVING ANTIFOGGING DURABILITY 失效
公开(公告)号：JP2001320980A
公开(公告)日：2001-11-20
申请号：JP2000146204
申请日：2000-05-18
申请人： KASEI CO C I
发明人： NISHIKATA AKIRA , SUGIYAMA AKINORI , NAKAGAWA YASUHIRO
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , C08J5/18 , C08J7/06 , C08K5/103 , C08L23/00 , C08L27/06 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To obtain an agricultural synthetic resin film containing an antifogging agent, having excellent transparency and antifogging durability. SOLUTION: In the synthetic resin agricultural film containing the antifogging agent composed of a nonionic surfactant, this synthetic resin agricultural film having antifogging durability is characterized in that the film has a layer containing 1.5-5.5 pts.wt. based on 100 pts. wt. of a synthetic resin of the antifogging agent composed of whole nonionic surfactants having 10-65 wt.% based on the whole contained nonionic surfactants of a content of a nonionic surfactant (a) constituted of a diester component and a triester component of partial esters which are partial esters of a glycerol condensate of a trimer to a pentamer and a >=14C higher fatty acid.

5. 发明专利

JP2000354426A ANTIFOGGING OLEFIN-BASED AGRICULTURAL FILM WITH FIVE- LAYER STRUCTURE 失效
公开(公告)号：JP2000354426A
公开(公告)日：2000-12-26
申请号：JP16934499
申请日：1999-06-16
申请人： KASEI CO C I
发明人： NISHIKATA AKIRA , NAKAGAWA YASUHIRO , WADA NOBUAKI , SUGIYAMA AKINORI
IPC分类号： A01G9/14
摘要： PROBLEM TO BE SOLVED: To obtain the subject film with high transparency, mechanical strength and antifogging sustainability. SOLUTION: This agricultural film with five-layer structure with high transparency, mechanical strength and antifogging sustainability is obtained by designing the five layers in the following manner: the outermost layer is composed of a linear low-density polyethylene made using a metallocene catalyst, the next layer is composed of a composition prepared by compounding an inorganic thermal insulation material in a linear low-density polyethylene made using a metallocene or Ziegler catalyst, and the rest of three layers are each composed of a composition comprising each specified amount of an ethylene-vinyl acetate copolymer and an antifogging agent.

6. 发明专利

JP2000129210A ANTI-TACK AGENT FOR AGRICULTURAL SOFT VINYL CHLORIDE RESIN FILM AND PREPARATION THEREOF 失效
公开(公告)号：JP2000129210A
公开(公告)日：2000-05-09
申请号：JP32138998
申请日：1998-10-28
申请人： KASEI CO C I
发明人： NISHIKATA AKIRA , NAKAGAWA YASUHIRO , WADA NOBUAKI , MIYOSHI MASANAO , HASHIMOTO HIDEAKI , SUGIYAMA AKINORI
IPC分类号： A01G13/02 , A01G9/14 , C09D183/04 , C09K3/00
摘要： PROBLEM TO BE SOLVED: To provide an anti-tack agent which can be coated on the side portions and valley portions of a house and a tunnel with the use of an agricultural soft vinyl chloride resin film to smoothly perform ventilation operation of such portions. SOLUTION: This anti-tack agent for agricultural soft vinyl chloride resin films comprises a mixed solution of an aqueous dispersion of a colloidal inorganic compound and an aqueous organopolysiloxane emulsion, and the mixed solution is adjusted in such a manner that the concentration of the colloidal inorganic compound comes to 0.05-1 wt.% and that of the organopolysiloxane comes to 0.05-1 wt.% and then, coated on an agricultural soft vinyl chloride resin film.

7. 发明专利

JPH11320782A AGRICULTURAL OLEFINIC RESIN COATED MATERIAL 失效
公开(公告)号：JPH11320782A
公开(公告)日：1999-11-24
申请号：JP15367698
申请日：1998-05-20
申请人： KASEI CO C I
发明人： NISHIKATA AKIRA , NAKAGAWA YASUHIRO , WADA NOBUAKI , SUGIYAMA TOSHINORI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/32 , C08L25/04 , C08L25/08
摘要： PROBLEM TO BE SOLVED: To provide an agricultural olefinic resin coated material reduced in the compounding amt. of an anti-fogging agent as compared with a conventional agricultural olefinic resin coated material, developing the long-term lasting effect of anti-fogging properties equal to or more than that of a conventional product and also excellent in transparency. SOLUTION: When a coating agent having at least a three-layered structure is applied to an agricultural green house under tension, from the outer surface of the coating agent to the inner surface thereof, (A) a protective layer comprising a polyethylenic resin with a density of 0.940 g/cm or less, (B) a heat insulating layer comprising a polyethylenic resin with a density of 0.940 g/cm or less containing an inorg. compd. having infrared absorbing capacity and (C) an anti-fogging layer composed of EVA containing an anti-fogging agent or a mixture of EVA and a polyethylenic resin with a density of 0.940 g/cm or less are provided.

8. 发明专利

JPH10217400A POLYOLEFIN FILM FOR DEFOGGING PERSISTENT AGRICULTURE 失效
公开(公告)号：JPH10217400A
公开(公告)日：1998-08-18
申请号：JP2397497
申请日：1997-02-06
申请人： KASEI CO C I
发明人： NISHIKATA AKIRA , NAKAGAWA YASUHIRO , WADA NOBUAKI , HASHIMOTO HIDEAKI , SUGIYAMA TOSHINORI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , B32B27/28 , B32B27/32 , C08K5/315 , C08L23/00
摘要： PROBLEM TO BE SOLVED: To provide an agricultural polyolefin film used for a long period by incorporating excellent persistence of weather resistance and defogging properties. SOLUTION: This agricultural polyolefin film comprises a defogging coated film containing (d) at least one type of sol substance selected from silica sol and alumina sol and (e) resin binder and provided on one surface of a single layer film formed only of a base material layer containing (a) 100 pts.wt. of olefin resin, (b) 0.02 to 5 pts.wt. of hindered amine light stabilizer, (c) 0.5 to 20 pts.wt. of composite hydroxide salt represented by a formula (wherein M indicates at least one type metal selected from Mg and Zn, A indicates n- valent organic or inorganic anion, x indicates number of 0.01 to 0.99, n indicates integer of 1 to 4, m indicates 0 to 12).

9. 发明专利

JPH03130021A COATING FILM FOR CULTURING CROP AND CULTURING METHOD USING THE SAME FILM 失效
公开(公告)号：JPH03130021A
公开(公告)日：1991-06-03
申请号：JP26823589
申请日：1989-10-17
申请人： KASEI CO C I
发明人： NAKAGAWA YASUHIRO , YARIMIZU KEITA , OKAZAKI MANPEI
IPC分类号： A01G13/02 , A01G9/14
摘要： PURPOSE:To obtain the title coating film consisting of a base resin containing an ultraviolet ray absorbent, having a specific light transmittance, capable of suppressing the transmission of ultraviolet ray inhibiting the elongation of crop and effective also on the control of cockroach. CONSTITUTION:The objective coating film consisting of (A) a base resin and (B) 0.1-1.5wt.% ultraviolet ray absorbent (e.g. 2,2'-dihydroxy-4,4'- dimethoxybenzophenone) and having

10. 发明专利

JPH1034A AGRICULTURAL OLEFIN-RESIN BASED LAMINATED FILM 失效
公开(公告)号：JPH1034A
公开(公告)日：1998-01-06
申请号：JP17285596
申请日：1996-06-13
申请人： KASEI CO C I
发明人： NAKAGAWA YASUHIRO , WADA NOBUAKI , HASHIMOTO HIDEAKI
IPC分类号： A01G13/02 , A01G9/14 , B32B27/18 , B32B27/32 , C08K5/10 , C08K5/103 , C08L23/00
摘要： PROBLEM TO BE SOLVED: To prepare an agricultural olefin-resin based laminated film, excellent in transparency, the durability of fog resistance and stickiness resistance, and suitable for growth in greenhouse, etc., by laminating a coating layer consisting of an olefin resin on a surface of a base material layer consisting of a specific fogresisting composition. SOLUTION: A coating layer consisting of an olefin resin is laminated on one or both sides of a base material layer formed of a composition obtained by compounding (A) 100 pts.wt. of an olefin based resin consisting of one or more kinds selected from an ethylene-vinyl acetate copolymer, a low density polyethylene of 0.910-0.935g/cm in density and an ethylene-α-olefin copolymer with (B) an antifogging agent composed of (i) 1-4 pts.wt. of a partial esterification compound of a polyhydric alcohol such as sorbitan and a 14-22C saturated fatty acid and (ii) 0.1-3 pts.wt. of a partial esterification compound of a polyhydric alcohol and oleic acid. Further, the component (ii) is preferably glycerin monooleate, diglycerin monooleate or sorbitan monooleate.

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