CN102533276B - Smectite-humic acid multifunctional degradable liquid mulch film - Google Patents
Smectite-humic acid multifunctional degradable liquid mulch film Download PDFInfo
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- CN102533276B CN102533276B CN201110457690.XA CN201110457690A CN102533276B CN 102533276 B CN102533276 B CN 102533276B CN 201110457690 A CN201110457690 A CN 201110457690A CN 102533276 B CN102533276 B CN 102533276B
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- mulch film
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- humic acid
- smectite
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- 239000002362 mulch Substances 0.000 title claims abstract description 37
- 239000004021 humic acid Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 title abstract description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 41
- 239000003337 fertilizer Substances 0.000 claims abstract description 15
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 14
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 9
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 18
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 18
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 11
- 229920002472 Starch Polymers 0.000 claims description 11
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 11
- 239000008107 starch Substances 0.000 claims description 11
- 235000019698 starch Nutrition 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 230000000813 microbial effect Effects 0.000 claims description 8
- 239000003905 agrochemical Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 12
- 235000019353 potassium silicate Nutrition 0.000 abstract description 9
- 239000002689 soil Substances 0.000 abstract description 9
- -1 microelements Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000003431 cross linking reagent Substances 0.000 abstract 2
- 235000015097 nutrients Nutrition 0.000 abstract 2
- 229910021647 smectite Inorganic materials 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract 1
- 239000003899 bactericide agent Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000000575 pesticide Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 239000002985 plastic film Substances 0.000 description 6
- 229920006255 plastic film Polymers 0.000 description 6
- 229940072033 potash Drugs 0.000 description 5
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 5
- 235000015320 potassium carbonate Nutrition 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 241000209149 Zea Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 229920003987 resole Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000011301 petroleum pitch Substances 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Inorganic materials [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Protection Of Plants (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a smectite-humic acid multifunctional degradable liquid mulch film which is prepared by the following steps: modifying smectite and humic acid to form high polymers under the actions of a crosslinking agent and a film former; and mixing with various additives, silicon fertilizer, microelements, pesticide and weedicide to obtain the multifunctional degradable black liquid mulch film. The smectite-humic acid multifunctional degradable liquid mulch film comprises the following components in percentage by weight: 30-50% of humic acid, 15-30% of smectite, 1-10% of sodium hydroxide or potassium hydroxide, 2-8% of crosslinking agent, 10-25% of film former, 5-10% of water glass, 1-3% of micro-fertilizer, 0.1-2% of bactericide and 0.1-2% of weedicide. The mulch film solves the problem of pollution caused by the use of the plastic mulch film in agriculture. The liquid mulch film is sprayed by a common agroatomizer onto the ground surface, and forms a film after being dried. The mulch film can hold the temperature and moisture of soil, prevent ground surface evaporation, enhance the sprouting speed of the plant, protect the fertilizer, reduce the nutrient loss and keep soil from packing together. In particular, after the crops are harvested, the product can quickly be degraded in soil, and have the effects of providing the plant nutrients and improving the soil environment.
Description
1. technical field
The invention provides a kind of montmorillonite, Humic Acid Multifunctional Degradable Mulch Film, belong to agricultural production application field.
2. background technology
Plastic film cultivation technique is utilized to be one of well-known ten multi-form agriculture technology in this century, use mulch film can meet crop insulation soil moisture conservation, frost protection, keep the needs such as fertility, but through use for many years, plastic film is because be difficult in physical environment decompose, easy fragmentation, difficult to reclaim, be scattered in physical environment, cause soil and the serious white pollution of environment.Therefore, be badly in need of in agriculture production a kind of not only having there is plastic film insulation, and reduced effect of soil water evaporation but also do not produce the plastic film substitute of ecological pollution.Degradable mulch can be divided into solid-state mulch film and liquid-state mulch film by its form, solid-state mulch film is due to shaping, transport and spread the intensity needs executed, and thickness opposed plastic mulch film is thicker, and price is generally higher than plastic film, the overwhelming majority is also difficult to degraded, and application is subject to a definite limitation.
Initial degradable mulch is incorporated in common polyethylene film by starch and organic acid thereof, and because polyethylene can not be decomposed by the microorganisms, can't eliminate white pollution, this kind of film is lowered the temperature increasingly.In recent years, under the effort of all kinds of scientific worker, progressively have developed many degradable liquid-state mulch films, mainly with one or more of emulsified bitumen, polyvinyl alcohol, polyacrylic ester and polymkeric substance thereof for main raw material, a kind of multifunction degradable mulch film that the recessive mulch film of sprinkling that the multifunctional degradable black farm mulching mentioned as Chinese patent CN1277228, CN12094443 mention, CN1935878A mention and the multifunction degradable black liquid state mulch film that CN1459471A mentions all belong to the liquid-state mulch film that can on-the-spot spray.Wherein the multifunctional degradable liquid-state mulch film mentioned of CN1277228 patent mainly with petroleum pitch or residual oil for raw material, cost is higher, and raw material sources are subject to a definite limitation, meet during the dilution of this material in addition hard water easily the emulsified film-forming properties that causes reduce; The spray of invisible mulch-film that CN1209443 mentions is hydroxy chloride butanols latex resin solution, a kind of many kinetic energy degradable mulch that CN1935878A mentions is the mixing solutions of polyvinyl alcohol, vinylformic acid, starch, the cost of the two is higher, degradation property is poor, the multifunction degradable black liquid state mulch film that CN1459471A proposes, it is a kind of degradable liquid-state mulch film, effect of the effect of there is insulation, preserve soil moisture, keeping a full stand of seedings and improvement soil, effect is suitable with plastic film, but there is the problems such as the bad control of film strength.Foregoing invention patent avoids " white pollution " to a certain extent, but ubiquity film forming is poor, and toughness is little, and water resistance is low, be incubated poor, postpone the shortcomings such as farm crop seedling-growing times, there is certain limitation to use with promoting.
Summary of the invention
The object of the invention is to overcome the deficiency of existence liquid-state mulch film technology and a kind of montmorillonite, Humic Acid Multifunctional Degradable Mulch Film are provided.
The present invention is realized by following measures.
Containing montmorillonite, humic acids, sodium hydroxide or potassium hydroxide, linking agent, membrane-forming agent, micro-fertilizer, sterilant, weedicide etc. in formula of the present invention
Concrete formulation content (% by weight) of the present invention
Humic acids 30-50 montmorillonite 15-30 sodium hydroxide or the micro-fertile 1-3 sterilant 0.1-2 weedicide 0.1-2 of potassium hydroxide 1-10 linking agent 2-8 membrane-forming agent 10-25 water glass 5-10
Humic acids can be potassium humate, Sodium salts humic acids, humic acids, be rich in the weathered coal of humic acids one or more;
Montmorillonite purifies to obtain from wilkinite.
Linking agent can be can be one or more in bisacrylamide, polyvinyl alcohol, treated starch, modified corn powder, modified corn powder, carboxymethyl cellulose;
Water glass can be one or both in potash water glass or sodium silicate;
Micro-fertilizer can be one or more in rare earth zinc nitrate, cupric nitrate, rare earth, magnesium.
The preparation process of montmorillonite, Humic Acid Multifunctional Degradable Mulch Film is:
1, first the humic acids of granularity more than 80 orders and potassium hydroxide or sodium hydroxide are configured to the slurry of 20-30%;
2, at 20-70 DEG C, modified humic acid slurry and montmorillonite, linking agent, membrane-forming agent, water glass, micro-fertile short mix is even, precipitation, insulation 10-120 minute.
During use, liquid-state mulch film converts the dilution of 2 times of water, add 0.1% agricultural chemicals or sterilant and 1% weedicide stir, add in the equipment of spraying, spray on ground and make film; Common peasant all can operate.General spraying at fine day makes film best results, does not spray in the rainy day and makes film.
The present invention has the following advantages:
1, the present invention adopts cheap humic acids or weathered coal to be raw material, greatly reduce the production cost of degradable liquid-state mulch film, improve the heat absorption capacity of mulch film, Appropriate application local resources.
2, have employed humic acids to do main raw material and thoroughly solve the pollution of mulch film to Land Environment, increase again long-pending agricultural chemicals, fertilizer and plastic sheeting for farm use feature simultaneously.
3, this mulch film not only has general biological and photodegradation function, but also can according to different biological growth needs, obtains by being adjusted to film and agricultural chemicals, weedicide, the kind of micro-fertilizer and content the liquid-state mulch film being applicable to Different Crop.
4, the making processes of liquid-state mulch film is simple, and can produce with meticulous pulverizer and whipping device, stationary phase is long.
5, scene sprays and makes film, and saving of work and time is simple to operate.
6, when farm crop emerge, without artificial seedling setting, naturally can emerge, save a large amount of manpower and materials.
7, principal feature of the present invention is to have employed montmorillonite, make use of the configuration and techniques feature of montmorillonite, to solve after film forming the breakable shortcoming of film under drying regime.
The present invention will describe invention feature in detail by embodiment.
Embodiment 1, get weathered coal 60 kilograms, 1 kilogram, potassium hydroxide, montmorillonite 3 kilograms, treated starch 25 kilograms, polyvinyl alcohol 5 kilograms, 5 kilograms, potash water glass powder, RE microbial fertilizer 1 kilogram.
First weathered coal, montmorillonite and potassium hydroxide are become 200 orders by fine grinding machine mixed grinding, be then heated to about 50 DEG C and add treated starch, polyvinyl alcohol, potash water glass powder, RE microbial fertilizer short mix evenly, be incubated 30 minutes.Convert the water dilution of 2 times during use, add 0.1% agricultural chemicals or sterilant and 1% weedicide stir, add in the equipment of spraying, spray on ground and make film.
Embodiment 2, get humic acids 50 kilograms, 5 kilograms, potassium hydroxide, montmorillonite 5 kilograms, treated starch 25 kilograms, polyvinyl alcohol 5 kilograms, 5 kilograms, sodium silicate powder, RE microbial fertilizer 1 kilogram.
First humic acids, montmorillonite and potassium hydroxide are become 200 orders by fine grinding machine mixed grinding, be then heated to about 60 DEG C and add treated starch, polyvinyl alcohol, sodium silicate powder, RE microbial fertilizer short mix evenly, be incubated 50 minutes.Convert the water dilution of 2 times during use, add 0.1% agricultural chemicals or sterilant and 1% weedicide stir, add in the equipment of spraying, spray on ground and make film.
Embodiment 3, get potassium humate 5 kilograms, weathered coal 50 kilograms, montmorillonite 5 kilograms, treated starch 20 kilograms, polyvinyl alcohol 5 kilograms, 5 kilograms, potash water glass powder, 5 kilograms, resol, 3 kilograms, urea, 1 kilogram, potassium hydroxide, RE microbial fertilizer 1 kilogram.
First potassium hydroxide, weathered coal and potassium humate are mixed with the slurry of 50%, at 70 DEG C, modified humic acid slurry and resol, treated starch, polyvinyl alcohol, potash water glass, RE microbial fertilizer short mix is even, be incubated 100 minutes.Convert the water dilution of 2 times during use, add 0.1% agricultural chemicals or sterilant and 1% weedicide stir, add in the equipment of spraying, spray on ground and make film.
Claims (1)
1. a montmorillonite, Humic Acid Multifunctional Degradable Mulch Film, it is characterized in that: get humic acids 50 kilograms, 5 kilograms, potassium hydroxide, montmorillonite 5 kilograms, treated starch 25 kilograms, polyvinyl alcohol 5 kilograms, 5 kilograms, sodium silicate powder, RE microbial fertilizer 1 kilogram, first by humic acids, montmorillonite becomes 200 orders with potassium hydroxide by fine grinding machine mixed grinding, then be heated to 60 DEG C and add treated starch, polyvinyl alcohol, sodium silicate powder, RE microbial fertilizer short mix is even, be incubated 50 minutes, the water dilution of 2 times is converted during use, add 0.1% agricultural chemicals or sterilant and 1% weedicide stir, add in the equipment of spraying, spray on ground and make film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457690.XA CN102533276B (en) | 2011-12-31 | 2011-12-31 | Smectite-humic acid multifunctional degradable liquid mulch film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457690.XA CN102533276B (en) | 2011-12-31 | 2011-12-31 | Smectite-humic acid multifunctional degradable liquid mulch film |
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| CN102533276A CN102533276A (en) | 2012-07-04 |
| CN102533276B true CN102533276B (en) | 2014-12-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103858718B (en) * | 2014-03-28 | 2015-09-09 | 江西双佳科技发展有限公司 | A kind of humic acid in peat degradable liquid-state mulch film containing RE microbial fertilizer and antifreezing agent |
| CN104140823B (en) * | 2014-06-16 | 2018-01-09 | 中国矿业大学 | A kind of ground membrane preparation method using soil as film |
| CN105294956A (en) * | 2015-10-30 | 2016-02-03 | 太仓市天合新材料科技有限公司 | Novel agricultural liquid film |
| CN107868279A (en) * | 2016-09-22 | 2018-04-03 | 明钛塑胶有限公司 | Calcium carbonate and its polynary application in Plastic articles for use after modification |
| CN114478123A (en) * | 2022-02-24 | 2022-05-13 | 内蒙古科学技术研究院 | Degradable bioactive liquid mulching film and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335351A (en) * | 2000-07-25 | 2002-02-13 | 刘海通 | Sprayed film and its application in tackling sandy waste land and plantation |
| CN101481508A (en) * | 2008-01-11 | 2009-07-15 | 山东科技大学 | Humic acid multifunctional degradable black mulch film |
-
2011
- 2011-12-31 CN CN201110457690.XA patent/CN102533276B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335351A (en) * | 2000-07-25 | 2002-02-13 | 刘海通 | Sprayed film and its application in tackling sandy waste land and plantation |
| CN101481508A (en) * | 2008-01-11 | 2009-07-15 | 山东科技大学 | Humic acid multifunctional degradable black mulch film |
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