JPS6217486B2 - - Google Patents
Info
- Publication number
- JPS6217486B2 JPS6217486B2 JP57138993A JP13899382A JPS6217486B2 JP S6217486 B2 JPS6217486 B2 JP S6217486B2 JP 57138993 A JP57138993 A JP 57138993A JP 13899382 A JP13899382 A JP 13899382A JP S6217486 B2 JPS6217486 B2 JP S6217486B2
- Authority
- JP
- Japan
- Prior art keywords
- pva
- temperature
- degree
- yarn
- agricultural covering
- 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.)
- Expired
Links
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 37
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 35
- 239000013078 crystal Substances 0.000 claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000007127 saponification reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000009423 ventilation Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- -1 polyethylene, ethylene-vinyl acetate copolymers Polymers 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 3
- 238000009940 knitting Methods 0.000 description 3
- 230000029553 photosynthesis Effects 0.000 description 3
- 238000010672 photosynthesis Methods 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229920002978 Vinylon Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002522 swelling effect Effects 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 235000009849 Cucumis sativus Nutrition 0.000 description 1
- 240000008067 Cucumis sativus Species 0.000 description 1
- 241000233679 Peronosporaceae Species 0.000 description 1
- 241001558929 Sclerotium <basidiomycota> Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Protection Of Plants (AREA)
- Greenhouses (AREA)
- Knitting Of Fabric (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57138993A JPS5928420A (ja) | 1982-08-09 | 1982-08-09 | 農業用被覆材 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57138993A JPS5928420A (ja) | 1982-08-09 | 1982-08-09 | 農業用被覆材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5928420A JPS5928420A (ja) | 1984-02-15 |
| JPS6217486B2 true JPS6217486B2 (enrdf_load_stackoverflow) | 1987-04-17 |
Family
ID=15234970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57138993A Granted JPS5928420A (ja) | 1982-08-09 | 1982-08-09 | 農業用被覆材 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5928420A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6264783U (enrdf_load_stackoverflow) * | 1985-10-12 | 1987-04-22 | ||
| JPS62196662U (enrdf_load_stackoverflow) * | 1986-06-02 | 1987-12-14 | ||
| JP2636657B2 (ja) * | 1993-01-26 | 1997-07-30 | 光陽プラスチック株式会社 | 半陰性植物栽培ハウス用シート |
-
1982
- 1982-08-09 JP JP57138993A patent/JPS5928420A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5928420A (ja) | 1984-02-15 |
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