CN103666231B - The anti-sun in a kind of drip irrigation zone is burnt coated material and using method thereof - Google Patents
The anti-sun in a kind of drip irrigation zone is burnt coated material and using method thereof Download PDFInfo
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- CN103666231B CN103666231B CN201310663839.9A CN201310663839A CN103666231B CN 103666231 B CN103666231 B CN 103666231B CN 201310663839 A CN201310663839 A CN 201310663839A CN 103666231 B CN103666231 B CN 103666231B
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- acrylate copolymer
- drip irrigation
- side chain
- irrigation zone
- sun
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Abstract
The present invention relates to the anti-sun in a kind of drip irrigation zone to burn coated material, this material is mixed by the equivalence ratio of 1:0.02 ~ 0.04 by fluoro-acrylate copolymer, benzophenone; Wherein fluoro-acrylate copolymer refers to and is first mixed with vinylformic acid-2-hydroxyl ethyl ester by vinylformic acid 18 fat of 1 equivalent, and adds initiator Diisopropyl azodicarboxylate and carry out polyreaction, obtains the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, intermediate A slowly drops in hexamethylene diisocyanate solution, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add fluorine alcohol in intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, add ethanol in intermediate C and carry out end capping, to obtain final product.Meanwhile, the invention provides the using method of this coated material.The present invention is with low cost, Be very effective.
Description
Technical field
The present invention relates to drip irrigation product technical field, particularly relate to the anti-sun in a kind of drip irrigation zone and to burn coated material and using method thereof.
Background technology
The pilot demonstration of China's agricultural water-saving irrigation technology from the eighties in 20th century; water-saving irrigation technique obtained and comprehensively popularized the nineties; especially in areas such as shortage of water resources, cash crop plantation and agriculture appropriates scale of operation, all actively efficient water-saving irrigation and the Integration of Water into Fertilizers such as sprinkling irrigation, slight irrigation, under-film drip irrigation is promoted.
Drip irrigation under film is a kind of Novel irrigation technology that collection film coating technique combines with drip irrigation technique, is also extension and the in-depth of film-mulching cultivation technique.Drip irrigation under film at home apply close to 10 years, application area is also expanding year by year, has occurred various problem in using, and under effort in every respect, this technology is also constantly improved and perfect.But in use procedure, most distinct issues are under solar light irradiation in recent years, and the globule that film condenses under film is burnt to drip irrigation zone, and this phenomenon shows as surface, drip irrigation zone and occurs burning fusion hole, causes Ci water.
Summary of the invention
Technical problem to be solved by this invention is to provide the anti-sun in a kind of drip irrigation zone with low cost, Be very effective and burns coated material.
Another technical problem to be solved by this invention is to provide the using method of this coated material.
For solving the problem, the anti-sun in a kind of drip irrigation zone of the present invention is burnt coated material, it is characterized in that: this material is mixed by the equivalence ratio of 1:0.02 ~ 0.04 by fluoro-acrylate copolymer, benzophenone; Wherein
Described fluoro-acrylate copolymer refers to and is first mixed with the vinylformic acid-2-hydroxyl ethyl ester of 3.5 ~ 4.5 equivalents by vinylformic acid 18 fat of 1 equivalent, and add the initiator Diisopropyl azodicarboxylate of 0.02 ~ 0.05 equivalent, be polyreaction under the condition of 60 ~ 65 DEG C in temperature, obtain the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, described intermediate A slowly drops in the hexamethylene diisocyanate solution of 3.5 ~ 4.5 equivalents, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add the fluorine alcohol of 3.2 ~ 3.9 equivalents in described intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, the ethanol adding 0.32 ~ 0.45 equivalent in described intermediate C carries out end capping, to obtain final product.
Described fluorine alcohol is the short carbon fluorine chain fluorine alcohol that carbonatoms is less than or equal to 6.
The anti-sun in a kind of drip irrigation zone as above is burnt the using method of coated material, it is characterized in that: by coating material application in the surface, drip irrigation zone that polythene material is produced, make its thickness be 0.02 ~ 0.04mm, and irradiation 1.5 ~ 2s form coating under ultraviolet light.
The present invention compared with prior art has the following advantages:
1, the present invention synthesizes a kind of fluoro-acrylate copolymer solution, add lotion applicator and surface, drip irrigation zone that ultraviolet initiator benzophenone (BP) prepares in this solution, the surperficial coated material be connected with chemical combination key form in the drip irrigation zone produced with polythene material can be formed under certain ultraviolet light conditions irradiation, this coated material makes the attachment fastness of drip irrigation zone top coat greatly improve, and can effectively prevent drip irrigation zone from being burnt by the sun in under-film drip irrigation.
2, the synthesis of fluoro-acrylate copolymer of the present invention have employed the short carbon fluorine chain fluorine alcohol that carbonatoms is less than or equal to 6, effectively prevent and the phenomenon of environmental pollution almost can not be caused by natural degradation to occur containing long perfluor chain (carbonatoms is more than or equal to 8) polymkeric substance.
3, the solidification of coated material of the present invention have employed ultraviolet light irradiation cross-linking mechanism, substantially increases curing cross-linking reaction speed, can apply in time and curing cross-linked in the high speed manufacturing processes of drip irrigation zone.
4, the present invention is with low cost, easy to implement.
Embodiment
embodiment 1the anti-sun in a kind of drip irrigation zone is burnt coated material, and this material is mixed by the equivalence ratio of 1:0.02 by fluoro-acrylate copolymer, benzophenone; Wherein
Fluoro-acrylate copolymer refers to and is first mixed with the vinylformic acid-2-hydroxyl ethyl ester of 3.5 equivalents by vinylformic acid 18 fat of 1 equivalent, and add the initiator Diisopropyl azodicarboxylate of 0.02 equivalent, be polyreaction under the condition of 60 DEG C in temperature, obtain the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, intermediate A slowly drops in the hexamethylene diisocyanate solution of 3.5 equivalents, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add the fluorine alcohol of 3.2 equivalents in intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, the ethanol adding 0.32 equivalent in intermediate C carries out end capping, to obtain final product.
embodiment 2the anti-sun in a kind of drip irrigation zone is burnt coated material, and this material is mixed by the equivalence ratio of 1:0.04 by fluoro-acrylate copolymer, benzophenone; Wherein
Fluoro-acrylate copolymer refers to and is first mixed with the vinylformic acid-2-hydroxyl ethyl ester of 4.5 equivalents by vinylformic acid 18 fat of 1 equivalent, and add the initiator Diisopropyl azodicarboxylate of 0.05 equivalent, be polyreaction under the condition of 65 DEG C in temperature, obtain the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, intermediate A slowly drops in the hexamethylene diisocyanate solution of 4.5 equivalents, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add the fluorine alcohol of 3.9 equivalents in intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, the ethanol adding 0.45 equivalent in intermediate C carries out end capping, to obtain final product.
embodiment 3the anti-sun in a kind of drip irrigation zone is burnt coated material, and this material is mixed by the equivalence ratio of 1:0.03 by fluoro-acrylate copolymer, benzophenone; Wherein
Fluoro-acrylate copolymer refers to and is first mixed with the vinylformic acid-2-hydroxyl ethyl ester of 4 equivalents by vinylformic acid 18 fat of 1 equivalent, and add the initiator Diisopropyl azodicarboxylate of 0.035 equivalent, be polyreaction under the condition of 62 DEG C in temperature, obtain the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, intermediate A slowly drops in the hexamethylene diisocyanate solution of 4 equivalents, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add the fluorine alcohol of 3.75 equivalents in intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, the ethanol adding 0.38 equivalent in intermediate C carries out end capping, to obtain final product.
embodiment 4the anti-sun in a kind of drip irrigation zone is burnt coated material, and this material is mixed by the equivalence ratio of 1:0.025 by fluoro-acrylate copolymer, benzophenone; Wherein
Fluoro-acrylate copolymer refers to and is first mixed with the vinylformic acid-2-hydroxyl ethyl ester of 3.7 equivalents by vinylformic acid 18 fat of 1 equivalent, and add the initiator Diisopropyl azodicarboxylate of 0.03 equivalent, be polyreaction under the condition of 63 DEG C in temperature, obtain the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, intermediate A slowly drops in the hexamethylene diisocyanate solution of 3.7 equivalents, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add the fluorine alcohol of 3.4 equivalents in intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, the ethanol adding 0.35 equivalent in intermediate C carries out end capping, to obtain final product.
embodiment 5the anti-sun in a kind of drip irrigation zone is burnt coated material, and this material is mixed by the equivalence ratio of 1:0.035 by fluoro-acrylate copolymer, benzophenone; Wherein
Fluoro-acrylate copolymer refers to and is first mixed with the vinylformic acid-2-hydroxyl ethyl ester of 4.2 equivalents by vinylformic acid 18 fat of 1 equivalent, and add the initiator Diisopropyl azodicarboxylate of 0.04 equivalent, be polyreaction under the condition of 64 DEG C in temperature, obtain the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, intermediate A slowly drops in the hexamethylene diisocyanate solution of 4.2 equivalents, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add the fluorine alcohol of 3.8 equivalents in intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, the ethanol adding 0.42 equivalent in intermediate C carries out end capping, to obtain final product.
Above-mentioned
embodiment 1 ~ 5in, fluorine alcohol is the short carbon fluorine chain fluorine alcohol that carbonatoms is less than or equal to 6.
Above-mentioned
embodiment 1 ~ 5the burn using method of coated material of the anti-sun in a kind of drip irrigation zone of gained refers to: by coating material application in the surface, drip irrigation zone that polythene material is produced, make its thickness be 0.02 ~ 0.04mm, and irradiation 1.5 ~ 2s forms coating under ultraviolet light.
Claims (2)
1. the anti-sun in drip irrigation zone is burnt a coated material, it is characterized in that: this material is mixed by the weight part ratio of 1:0.02 ~ 0.04 by fluoro-acrylate copolymer, benzophenone; Wherein
Described fluoro-acrylate copolymer refers to and is first mixed with the vinylformic acid-2-hydroxyl ethyl ester of 3.5 ~ 4.5 weight parts by the octadecyl acrylate of 1 weight part, and add the initiator Diisopropyl azodicarboxylate of 0.02 ~ 0.05 weight part, be polyreaction under the condition of 60 ~ 65 DEG C in temperature, obtain the acrylate copolymer intermediate A with great amount of hydroxy group on side chain; Then, described intermediate A slowly drops in the hexamethylene diisocyanate solution of 3.5 ~ 4.5 weight parts, and dropping limit, limit is stirred, and after reaction, obtains the acrylate copolymer intermediate B with a large amount of isocyanate groups on side chain; Secondly, add the fluorine alcohol of 3.2 ~ 3.9 weight parts in described intermediate B, after reaction, namely obtain the acrylate copolymer intermediate C with a large amount of carbon fluorine chain on side chain; Finally, the ethanol adding 0.32 ~ 0.45 weight part in described intermediate C carries out end capping, to obtain final product;
Described fluorine alcohol is the short carbon fluorine chain fluorine alcohol that carbonatoms is less than or equal to 6.
2. the anti-sun in a kind of drip irrigation zone as claimed in claim 1 is burnt the using method of coated material, it is characterized in that: by coating material application in the surface, drip irrigation zone that polythene material is produced, make its thickness be 0.02 ~ 0.04mm, and irradiation 1.5 ~ 2s form coating under ultraviolet light.
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CN103666231B true CN103666231B (en) | 2016-03-23 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1902244A (en) * | 2003-12-31 | 2007-01-24 | 3M创新有限公司 | Water- and oil-repellent fluoroacrylates |
CN101020731A (en) * | 2007-03-12 | 2007-08-22 | 安徽大学 | Process of preparing solvent type fluoric acrylate copolymer |
CN102746551A (en) * | 2012-06-18 | 2012-10-24 | 新疆天业(集团)有限公司 | Fluoropolymer processing aid modified drip irrigation belt |
CN103059316A (en) * | 2012-12-31 | 2013-04-24 | 中科院广州化学有限公司 | Polyurethane/polyacrylate copolymer modified by organic fluoride and ultraviolet curing coating prepared by polyurethane/polyacrylate copolymer |
-
2013
- 2013-12-11 CN CN201310663839.9A patent/CN103666231B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1902244A (en) * | 2003-12-31 | 2007-01-24 | 3M创新有限公司 | Water- and oil-repellent fluoroacrylates |
CN101020731A (en) * | 2007-03-12 | 2007-08-22 | 安徽大学 | Process of preparing solvent type fluoric acrylate copolymer |
CN102746551A (en) * | 2012-06-18 | 2012-10-24 | 新疆天业(集团)有限公司 | Fluoropolymer processing aid modified drip irrigation belt |
CN103059316A (en) * | 2012-12-31 | 2013-04-24 | 中科院广州化学有限公司 | Polyurethane/polyacrylate copolymer modified by organic fluoride and ultraviolet curing coating prepared by polyurethane/polyacrylate copolymer |
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