JPS5460347A - Agricultural film - Google Patents
Agricultural filmInfo
- Publication number
- JPS5460347A JPS5460347A JP12699877A JP12699877A JPS5460347A JP S5460347 A JPS5460347 A JP S5460347A JP 12699877 A JP12699877 A JP 12699877A JP 12699877 A JP12699877 A JP 12699877A JP S5460347 A JPS5460347 A JP S5460347A
- Authority
- JP
- Japan
- Prior art keywords
- silica gel
- parts
- film
- polyolefin resin
- heat retaining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To obtain an agricultrual film having improved heat retaining properties and durable anti-fogging effect without bleeding, by adding a specific dried silica gel to a polyolefin resin.
CONSTITUTION: A) 100 parts by wt. of a polyolefin resin (preferably low-density polyethylene or ethylene-vinyl acetate copolymer) is blended with B) 1W15 parts by wt., preferably 5W10 parts by wt. of a dried silica gel having a prominent reversible desorption of free water in a temperature range not higher than 200°C with a peak at 90°C, a pore volume of 0.4W2.9ml/g, a surface area of 350W 800m2/g, a pore diameter of 20W80Å, a structural water content of 2W4 wt.%, an ignition loss not more than 8 wt.%, and a particle size, preferably not more than 10μ, more preferably not more than 5μ, by a mixer, etc. The resulting blend is molded into a film by inflation, etc. at 180W250°C. The addition of magnesium hydroxide to the silica gel further improves the heat retaining properties
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12699877A JPS5460347A (en) | 1977-10-21 | 1977-10-21 | Agricultural film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12699877A JPS5460347A (en) | 1977-10-21 | 1977-10-21 | Agricultural film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5460347A true JPS5460347A (en) | 1979-05-15 |
| JPS5618141B2 JPS5618141B2 (en) | 1981-04-27 |
Family
ID=14949128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12699877A Granted JPS5460347A (en) | 1977-10-21 | 1977-10-21 | Agricultural film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5460347A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55164238A (en) * | 1979-06-08 | 1980-12-20 | Mitsubishi Petrochem Co Ltd | Agricultural vinyl chloride resin film |
| JPS5853933A (en) * | 1981-09-25 | 1983-03-30 | Mikado Kako Kk | Polyethylene film |
| US4651467A (en) * | 1984-01-13 | 1987-03-24 | Alcudia, Empresa Para La Industria Quimica, S.A. | Method for protecting plants using polymeric film containing anhydrous borax |
| WO2015068312A1 (en) | 2013-11-06 | 2015-05-14 | 協和化学工業株式会社 | Resin composition and agricultural film |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4897693A (en) * | 1972-03-22 | 1973-12-12 |
-
1977
- 1977-10-21 JP JP12699877A patent/JPS5460347A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4897693A (en) * | 1972-03-22 | 1973-12-12 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55164238A (en) * | 1979-06-08 | 1980-12-20 | Mitsubishi Petrochem Co Ltd | Agricultural vinyl chloride resin film |
| JPS6241247B2 (en) * | 1979-06-08 | 1987-09-02 | Mitsubishi Yuka Kk | |
| JPS5853933A (en) * | 1981-09-25 | 1983-03-30 | Mikado Kako Kk | Polyethylene film |
| US4651467A (en) * | 1984-01-13 | 1987-03-24 | Alcudia, Empresa Para La Industria Quimica, S.A. | Method for protecting plants using polymeric film containing anhydrous borax |
| WO2015068312A1 (en) | 2013-11-06 | 2015-05-14 | 協和化学工業株式会社 | Resin composition and agricultural film |
| KR20160089334A (en) | 2013-11-06 | 2016-07-27 | 교와 가가꾸고교 가부시키가이샤 | Resin composition and agricultural film |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5618141B2 (en) | 1981-04-27 |
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