CN105419365A - Black liquid mulching film and preparation method thereof - Google Patents
Black liquid mulching film and preparation method thereof Download PDFInfo
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- CN105419365A CN105419365A CN201610048779.3A CN201610048779A CN105419365A CN 105419365 A CN105419365 A CN 105419365A CN 201610048779 A CN201610048779 A CN 201610048779A CN 105419365 A CN105419365 A CN 105419365A
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- Prior art keywords
- marine alga
- silk
- weeding
- water
- mulch film
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- 239000007788 liquid Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000009333 weeding Methods 0.000 claims abstract description 46
- 239000000843 powder Substances 0.000 claims abstract description 31
- 239000002245 particle Substances 0.000 claims abstract description 27
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 17
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 17
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 17
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 17
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 17
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 17
- -1 alkyl diamine Chemical class 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 229920000136 polysorbate Polymers 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000010426 asphalt Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 51
- 239000002362 mulch Substances 0.000 claims description 45
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 238000006213 oxygenation reaction Methods 0.000 claims description 25
- 229920000858 Cyclodextrin Polymers 0.000 claims description 22
- 239000001116 FEMA 4028 Substances 0.000 claims description 22
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 claims description 22
- 235000011175 beta-cyclodextrine Nutrition 0.000 claims description 22
- 229960004853 betadex Drugs 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000000502 dialysis Methods 0.000 claims description 18
- 210000003097 mucus Anatomy 0.000 claims description 18
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 235000011837 pasties Nutrition 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- 238000009835 boiling Methods 0.000 claims description 12
- 238000002525 ultrasonication Methods 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 12
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 claims description 9
- 229960000892 attapulgite Drugs 0.000 claims description 8
- 229910052625 palygorskite Inorganic materials 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 6
- 239000001488 sodium phosphate Substances 0.000 claims description 6
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 6
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 6
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 6
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 6
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 6
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 6
- VTNQPKFIQCLBDU-UHFFFAOYSA-N Acetochlor Chemical compound CCOCN(C(=O)CCl)C1=C(C)C=CC=C1CC VTNQPKFIQCLBDU-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- NDNKHWUXXOFHTD-UHFFFAOYSA-N metizoline Chemical compound CC=1SC2=CC=CC=C2C=1CC1=NCCN1 NDNKHWUXXOFHTD-UHFFFAOYSA-N 0.000 claims description 4
- 229960002939 metizoline Drugs 0.000 claims description 4
- FIKAKWIAUPDISJ-UHFFFAOYSA-L paraquat dichloride Chemical compound [Cl-].[Cl-].C1=C[N+](C)=CC=C1C1=CC=[N+](C)C=C1 FIKAKWIAUPDISJ-UHFFFAOYSA-L 0.000 claims description 4
- XCSGPAVHZFQHGE-UHFFFAOYSA-N alachlor Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl XCSGPAVHZFQHGE-UHFFFAOYSA-N 0.000 claims description 3
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 8
- 230000012010 growth Effects 0.000 abstract description 3
- 238000000227 grinding Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 241001474374 Blennius Species 0.000 abstract 2
- 108010022355 Fibroins Proteins 0.000 abstract 2
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- 238000004321 preservation Methods 0.000 abstract 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 5
- 230000035558 fertility Effects 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 229920001214 Polysorbate 60 Polymers 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 2
- 229920000053 polysorbate 80 Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002786 root growth Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 241000195474 Sargassum Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000003143 atherosclerotic effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 235000019357 lignosulphonate Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to the field of agricultural liquid mulching films and discloses a black liquid mulching film and a preparation method thereof. The liquid mulching film is prepared from the following substances: asphalt, seaweed concentrate, polyvinyl alcohol, carboxymethylcellulose, fibroin powder, oxygenate, weeding particles, alkyl diamine, Tween and water. The preparation method comprises the following steps: heating the asphalt to 150 to 190 DEG C and stirring; adding the seaweed concentrate, the polyvinyl alcohol, the carboxymethylcellulose, the fibroin powder, the oxygenate, the weeding particles, the alkyl diamine and Tween to water and uniformly stirring and heating to 45 to 65 DEG C; uniformly mixing the materials prepared in the step 1) and the step 2), and then grinding to prepare the black liquid mulching film. After the liquid mulching film is used, a film forming effect on the ground surface is good, the soil structure can be improved, water retention, temperature preservation and soil moisture preservation effects are good, and the mulching film is easy to degrade and has the effects of weeding and promoting growth of root systems of crops.
Description
Technical field
The present invention relates to agricultural liquid-state mulch film field, particularly relate to a kind of black liquid state mulch film and preparation method thereof.
Background technology
In proportion of crop planting process, usually can after proportion of crop planting on earth's surface plastic covering mulch film, play insulation, moisture-keeping function, thus farm crop are early emerged, precocious and raising output.Traditional plastic film comparatively bothers when transport, overlay film, winder, affects efficiency.In addition, plastic film is easily run by wind, affects crop growth.And plastic film is easily broken, fragment remains in after in soil and reclaims difficulty, not easily degrades, and causes soil contaminated, causes soil block to harden, and fertility declines.
Authorization Notice No. is CN103613460B, and the applying date is that the Chinese invention patent on November 25th, 2011 discloses a kind of liquid-state mulch film function, preparation and using method thereof.Its main technical schemes is: get mud, adds the disinfectant deodoring and disinfecting be made up of water-soluble trichloroisocyanuric acid; Then after adding the former powder of humic acid, inorganic salt and water mix and blend homogeneous, then make by grinding, reaction the masterbatch that body of paste is formed; Get polyacrylamide and derivative thereof, sulfonated lignin or/and derivatived cellulose forms the sub-material with film forming, infiltration, dispersion, chelating and water retention property; By water, above-mentioned son material is dissolved during use, then added in masterbatch to stir and make atherosclerotic body, and then it is even to add water agitation and dilution, can form mulch film by atomizers spray.Be that liquid-state mulch film prepared by major ingredient by mud, not only substantially solve a difficult problem for sludge treatment, more importantly making it turn waste into wealth can culture fertility greatly, and have the function heating, preserve soil moisture, promote plant growth, realize eliminating " white pollution ", control the agriculture airborne dust factor, improvement soil, saving water resource, increasing peasant income joint, promotes agricultural sustainable development.
The liquid-state mulch film of technique scheme to some extent solves the problem of " white pollution ", and utilizes mud to turn waste into wealth, energy-conserving and environment-protective, but the water conservation of this liquid-state mulch film, heat insulation effect are not ideal enough, and functional comparatively single.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of black liquid state mulch film and preparation method thereof.After a procedure, the film-formation result on earth's surface is good for algae liquid plastic film of the present invention, can improve Soil structure, and water conservation, heat insulation effect are outstanding, easily degrade, and have weeding, promotes the function of farm crop root growth.
Concrete technical scheme of the present invention is: a kind of black liquid state mulch film, be made up of the material of following masses part: pitch 80-120 part, marine alga concentrated solution 20-40 part, polyvinyl alcohol 3-5 part, carboxymethyl cellulose 3-5 part, silk-protein powder 3-5 part, oxygenation agent 3-5 part, weeding particle 1-2 part, alkyl diamine 1-3 part, tween 1-3 part, water 80-100 part.
In black liquid state mulch film of the present invention, due to the existence of pitch, marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder, form the liquid with certain stickiness, after being sprayed onto soil surface, the film of layer of gel shape can be formed rapidly, can soil water evaporation be suppressed after film forming, heat loss, play the effect of water conservation, insulation.The adhesive power of this film and soil is strong, the soil particle in soil can be coupled to desirable coacervate, thus improve Soil structure, make soil have good permeability, is applicable to the growth of farm crop.In this liquid-state mulch film, marine alga concentrated solution, polyvinyl alcohol, carboxymethylcellulose component have outstanding moisture-keeping functions, good with the composite rear film-forming properties of silk-protein powder, cohesiveness, and there is in film forming caudacoria the fine duct of countless solids, add soil and extraneous permeability, be convenient to " respiratory ventilation ", but be unlikely to heat is distributed rapidly, be specially adapted to the main component of liquid-state mulch film.Alkyl diamine is tensio-active agent, can strengthen the solubleness of pitch, and tween can strengthen the emulsifying capacity of liquid-state mulch film.This can natural degradation after having liquid-state mulch film to spray, environmentally safe, environmental protection.
Preferred as the technical program, described marine alga concentrated solution is obtained by following methods: be the broken end of marine alga by described marine alga chopping, then broken for marine alga end is added to boiling 5-10min in the boiling water of its 100-200 times quality; Then draining is taken out at broken for marine alga end, added in the sodium pyrophosphate solution of 10-20 times of quality, and ultrasonication 1-2h, obtained marine alga mucus; Wherein the mass concentration of trisodium phosphate is 3%, and ultrasonication temperature is 65-70 DEG C, and ultrasonic power is 800-1200W, and ultrasonic frequency is 18-22kHz; In marine alga mucus, drip sodium hydroxide solution be adjusted to neutrality, finally marine alga mucus is concentrated into the marine alga concentrated solution that solid content is 30-50%.
Extract the marine alga concentrated solution obtained as stated above, have abundant Sargassum polysaccharides and other active substances, not only film-forming properties, moisture retention are good, also can be used as the conditioning agent of soil after auto-degradation, strengthen soil fertility.
Preferred as the technical program, described silk-protein powder is obtained by following methods: be immersed into by silk in the solution of potassium carbonate of 6g/L and carry out coming unstuck 40min at 96-98 DEG C, and change solution of potassium carbonate when 20min, wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is (2-3) g/100mL; After coming unstuck, silk taken out and wash, dry at 60 DEG C, the concentration of again silk being added to 100-200 times of quality is at 94-96 DEG C, dissolve 2-3h in the calcium chloride solution of 1-2wt%, naturally cooling after dissolving, elimination solid impurity, filtrate is loaded in dialysis tubing, dialysis tubing is positioned in water the 2-3 days that dialyses, finally by the obtained silk-protein powder afterwards of liquid vacuum drying in dialysis tubing.
Silk-protein powder prepared by aforesaid method, purity is high, and water-soluble rear viscosity is good, can strengthen the intensity after liquid-state mulch film film forming, and silk-protein self also can be used as nutrient, increases soil fertility.
Preferred as the technical program, described oxygenation agent is obtained by following methods: by beta-cyclodextrin and water 1:(1-2 in mass ratio) mix rear stirring, make beta-cyclodextrin in the pasty state, again by the one 1:(2-4 in mass ratio in the beta-cyclodextrin of pasty state and urea peroxide, SPC-D) mix and blend, vacuum-drying at 50-60 DEG C, obtained oxygenation agent after finally pulverizing.
Urea peroxide, SPC-D can discharge oxygen; after beta-cyclodextrin and urea peroxide, SPC-D compound; beta-cyclodextrin can be carried out coated; because urea peroxide, SPC-D are easily excessively water-soluble and be heated and decompose; there is the coated of beta-cyclodextrin; protection, slow releasing function can be played to urea peroxide, SPC-D to a certain extent, prevent the too fast inefficacy of urea peroxide, SPC-D.And simultaneously beta-cyclodextrin after being combined with water in the pasty state, be easy to and the substances compatible such as marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder.After liquid-state mulch film is watered sprinkling, oxygenation agent penetrates in soil, slow releasing oxygen, and timeliness is long, can promote that crop root part grows.
Preferred as the technical program, described weeding particle is obtained by following methods: the weeding liquid by obtained mass concentration soluble in water for weedicide being 1-2%, nano-attapulgite is added in weeding liquid and carry out ultrasonic wave dispersion, then after leaving standstill 1-2h, filtration obtains weeding particle.Weeding liquid is made after weedicide is water-soluble, nano-attapulgite has very strong adsorptivity, be distributed in weeding liquid and can be adsorbed weeding liquid, after together adding water with other compositions of liquid-state mulch film, make the weedicide stability in weeding liquid better, after spraying, weedicide can penetrate on soil, plays herbicide effect, the concrete add-on of nano-attapulgite is not limit, and ensures that it can saturated adsorption weeding liquid.
Preferred as the technical program, described weedicide be selected from alachlor, acetochlor, Butachlor technical 92, benazolin, Paraquat one or more.
A preparation method for black liquid state mulch film, step is:
1), asphalt heating is stirred to 150-190 DEG C.
2), by marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder, oxygenation agent, weeding particle, alkyl diamine, tween adds in water and stirs, and is heated to 45-65 DEG C.
3) by step 1) and step 2) obtained mixing of materials evenly after grind, i.e. obtained black liquid state mulch film.
Be compared with the prior art, the invention has the beneficial effects as follows: after a procedure, the film-formation result on earth's surface is good for black liquid state mulch film of the present invention, can improve Soil structure, water conservation, insulation, soil moisture conservation effect remarkably, are easily degraded, and there is weeding, promote the function of farm crop root growth.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
A kind of black liquid state mulch film, is characterized in that, be made up of the material of following masses part: pitch 100 parts, marine alga concentrated solution 30 parts, polyvinyl alcohol 4 parts, carboxymethyl cellulose 4 parts, 4 parts, silk-protein powder, oxygenation agent 4 parts, 1.5 parts, weeding particle, alkyl diamine 2 parts, tween-80 is 2 parts, 90 parts, water.
Described marine alga concentrated solution is obtained by following methods: shred described marine alga for the broken end of marine alga, then broken for marine alga end is added to boiling 7.5min in the boiling water of its 150 times of quality; Then draining is taken out at broken for marine alga end, added in the sodium pyrophosphate solution of 15 times of quality, and ultrasonication 1.5h, obtained marine alga mucus; Wherein the mass concentration of trisodium phosphate is 3%, and ultrasonication temperature is 67.5 DEG C, and ultrasonic power is 1000W, and ultrasonic frequency is 20kHz; In marine alga mucus, drip sodium hydroxide solution be adjusted to neutrality, finally marine alga mucus is concentrated into the marine alga concentrated solution that solid content is 40%.
Described silk-protein powder is obtained by following methods: be immersed into by silk in the solution of potassium carbonate of 6g/L and carry out coming unstuck 40min at 97 DEG C, and changes solution of potassium carbonate when 20min, and wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 2.5g/100mL; After coming unstuck, silk taken out and wash, dry at 60 DEG C, the concentration of again silk being added to 150 times of quality is at 95 DEG C, dissolve 2.5h in the calcium chloride solution of 1.5wt%, naturally cooling after dissolving, elimination solid impurity, filtrate is loaded in dialysis tubing, dialysis tubing is positioned in water and dialyses 2.5 days, finally by the obtained silk-protein powder afterwards of liquid vacuum drying in dialysis tubing.
Described oxygenation agent is obtained by following methods: by beta-cyclodextrin and water in mass ratio 1:1.5 stir after mixing, make beta-cyclodextrin in the pasty state, again by the beta-cyclodextrin of pasty state and urea peroxide 1:3 mix and blend in mass ratio, vacuum-drying at 55 DEG C, obtained oxygenation agent after finally pulverizing.
Described weeding particle is obtained by following methods: be the weeding liquid of 1.5% by the Butachlor technical 92 of equivalent, Paraquat obtained mass concentration soluble in water, added to by nano-attapulgite in weeding liquid and carry out ultrasonic wave dispersion, then filters after leaving standstill 1.5h and obtain weeding particle.
A preparation method for black liquid state mulch film, step is:
1), asphalt heating to 170 DEG C is stirred.
2), by marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder, oxygenation agent, weeding particle, alkyl diamine, tween adds in water and stirs, and is heated to 55 DEG C.
3), by step 1) and step 2) obtained mixing of materials evenly after grind, i.e. obtained black liquid state mulch film.
Embodiment 2
A kind of black liquid state mulch film, is characterized in that, be made up of the material of following masses part: pitch 80 parts, marine alga concentrated solution 40 parts, polyvinyl alcohol 5 parts, carboxymethyl cellulose 5 parts, 5 parts, silk-protein powder, oxygenation agent 3 parts, 1 part, weeding particle, alkyl diamine 1 part, tween-80 is 1 part, 80 parts, water.
Described marine alga concentrated solution is obtained by following methods: shred described marine alga for the broken end of marine alga, then broken for marine alga end is added to boiling 5min in the boiling water of its 100 times of quality; Then draining is taken out at broken for marine alga end, added in the sodium pyrophosphate solution of 10 times of quality, and ultrasonication 1h, obtained marine alga mucus; Wherein the mass concentration of trisodium phosphate is 3%, and ultrasonication temperature is 65 DEG C, and ultrasonic power is 800W, and ultrasonic frequency is 18kHz; In marine alga mucus, drip sodium hydroxide solution be adjusted to neutrality, finally marine alga mucus is concentrated into the marine alga concentrated solution that solid content is 30%.
Described silk-protein powder is obtained by following methods: be immersed into by silk in the solution of potassium carbonate of 6g/L and carry out coming unstuck 40min at 96 DEG C, and changes solution of potassium carbonate when 20min, and wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 2g/100mL; After coming unstuck, silk taken out and wash, dry at 60 DEG C, the concentration of again silk being added to 100 times of quality is at 94 DEG C, dissolve 2h in the calcium chloride solution of 1wt%, naturally cooling after dissolving, elimination solid impurity, filtrate is loaded in dialysis tubing, dialysis tubing is positioned in water and dialyses 2 days, finally by the obtained silk-protein powder afterwards of liquid vacuum drying in dialysis tubing.
Described oxygenation agent is obtained by following methods: by beta-cyclodextrin and water in mass ratio 1:1 stir after mixing, make beta-cyclodextrin in the pasty state, again by the beta-cyclodextrin of pasty state and SPC-D 1:2 mix and blend in mass ratio, vacuum-drying at 50 DEG C, obtained oxygenation agent after finally pulverizing.
Described weeding particle is obtained by following methods: be the weeding liquid of 1% by the acetochlor of equivalent, benazolin obtained mass concentration soluble in water, added to by nano-attapulgite in weeding liquid and carry out ultrasonic wave dispersion, then filters after leaving standstill 1h and obtain weeding particle.
A preparation method for black liquid state mulch film, step is:
1), asphalt heating to 150 DEG C is stirred.
2), by marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder, oxygenation agent, weeding particle, alkyl diamine, tween adds in water and stirs, and is heated to 45 DEG C.
3), by step 1) and step 2) obtained mixing of materials evenly after grind, i.e. obtained black liquid state mulch film.
Embodiment 3
A kind of black liquid state mulch film, is characterized in that, be made up of the material of following masses part: pitch 120 parts, marine alga concentrated solution 20 parts, polyvinyl alcohol 3 parts, carboxymethyl cellulose 3 parts, 3 parts, silk-protein powder, oxygenation agent 5 parts, 2 parts, weeding particle, alkyl diamine 3 parts, Tween-60 is 3 parts, 100 parts, water.
Described marine alga concentrated solution is obtained by following methods: shred described marine alga for the broken end of marine alga, then broken for marine alga end is added to boiling 10min in the boiling water of its 200 times of quality; Then draining is taken out at broken for marine alga end, added in the sodium pyrophosphate solution of 20 times of quality, and ultrasonication 2h, obtained marine alga mucus; Wherein the mass concentration of trisodium phosphate is 3%, and ultrasonication temperature is 70 DEG C, and ultrasonic power is 1200W, and ultrasonic frequency is 22kHz; In marine alga mucus, drip sodium hydroxide solution be adjusted to neutrality, finally marine alga mucus is concentrated into the marine alga concentrated solution that solid content is 50%.
Described silk-protein powder is obtained by following methods: be immersed into by silk in the solution of potassium carbonate of 6g/L and carry out coming unstuck 40min at 98 DEG C, and changes solution of potassium carbonate when 20min, and wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 3g/100mL; After coming unstuck, silk taken out and wash, dry at 60 DEG C, the concentration of again silk being added to 200 times of quality is at 96 DEG C, dissolve 3h in the calcium chloride solution of 2wt%, naturally cooling after dissolving, elimination solid impurity, filtrate is loaded in dialysis tubing, dialysis tubing is positioned in water and dialyses 3 days, finally by the obtained silk-protein powder afterwards of liquid vacuum drying in dialysis tubing.
Described oxygenation agent is obtained by following methods: by beta-cyclodextrin and water in mass ratio 1:2 stir after mixing, make beta-cyclodextrin in the pasty state, again by the beta-cyclodextrin of pasty state and urea peroxide 1:4 mix and blend in mass ratio, vacuum-drying at 60 DEG C, obtained oxygenation agent after finally pulverizing.
Described weeding particle is obtained by following methods: be the weeding liquid of 2% by obtained mass concentration soluble in water for alachlor, added to by nano-attapulgite in weeding liquid and carry out ultrasonic wave dispersion, then after leaving standstill 2h, filtration obtains weeding particle.
A preparation method for black liquid state mulch film, step is:
1), asphalt heating to 190 DEG C is stirred.
2), by marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder, oxygenation agent, weeding particle, alkyl diamine, tween adds in water and stirs, and is heated to 65 DEG C.
3), by step 1) and step 2) obtained mixing of materials evenly after grind, i.e. obtained black liquid state mulch film.
Embodiment 4
A kind of black liquid state mulch film, is characterized in that, be made up of the material of following masses part: pitch 90 parts, marine alga concentrated solution 25 parts, polyvinyl alcohol 4 parts, carboxymethyl cellulose 5 parts, 3 parts, silk-protein powder, oxygenation agent 4 parts, 2 parts, weeding particle, alkyl diamine 2 parts, Tween-60 is 2 parts, 95 parts, water.
Described marine alga concentrated solution is obtained by following methods: shred described marine alga for the broken end of marine alga, then broken for marine alga end is added to boiling 6min in the boiling water of its 120 times of quality; Then draining is taken out at broken for marine alga end, added in the sodium pyrophosphate solution of 12 times of quality, and ultrasonication 1h, obtained marine alga mucus; Wherein the mass concentration of trisodium phosphate is 3%, and ultrasonication temperature is 70 DEG C, and ultrasonic power is 800W, and ultrasonic frequency is 21kHz; In marine alga mucus, drip sodium hydroxide solution be adjusted to neutrality, finally marine alga mucus is concentrated into the marine alga concentrated solution that solid content is 35%.
Described silk-protein powder is obtained by following methods: be immersed into by silk in the solution of potassium carbonate of 6g/L and carry out coming unstuck 40min at 98 DEG C, and changes solution of potassium carbonate when 20min, and wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 3g/100mL; After coming unstuck, silk taken out and wash, dry at 60 DEG C, the concentration of again silk being added to 180 times of quality is at 95 DEG C, dissolve 2h in the calcium chloride solution of 1.5wt%, naturally cooling after dissolving, elimination solid impurity, filtrate is loaded in dialysis tubing, dialysis tubing is positioned in water and dialyses 3 days, finally by the obtained silk-protein powder afterwards of liquid vacuum drying in dialysis tubing.
Described oxygenation agent is obtained by following methods: by beta-cyclodextrin and water in mass ratio 1:1.5 stir after mixing, make beta-cyclodextrin in the pasty state, again by the beta-cyclodextrin of pasty state and SPC-D 1:3 mix and blend in mass ratio, vacuum-drying at 55 DEG C, obtained oxygenation agent after finally pulverizing.
Described weeding particle is obtained by following methods: be the weeding liquid of 1.5% by the acetochlor of equivalent, benazolin, Paraquat obtained mass concentration soluble in water, nano-attapulgite is added in weeding liquid and carry out ultrasonic wave dispersion, then after leaving standstill 1.5h, filtration obtains weeding particle.
A preparation method for black liquid state mulch film, step is:
1), asphalt heating to 160 DEG C is stirred.
2), by marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder, oxygenation agent, weeding particle, alkyl diamine, tween adds in water and stirs, and is heated to 50 DEG C.
3) by step 1) and step 2) obtained mixing of materials evenly after grind, i.e. obtained black liquid state mulch film.
Soil surface is sprayed to, by 600-800ml/m after being watered by black liquid state mulch film of the present invention
2fountain height, and do not spray compared with liquid-state mulch film, the soil moisture can be made to raise 6-8 DEG C, and compared with plastic covering mulch film, soil water-retaining rate can improve 12-18%.
Raw materials used in the present invention, equipment, unless otherwise noted, is conventional raw material, the equipment of this area; Method therefor in the present invention, unless otherwise noted, is the ordinary method of this area.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent transformation, all still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. a black liquid state mulch film, it is characterized in that, be made up of the material of following masses part: pitch 80-120 part, marine alga concentrated solution 20-40 part, polyvinyl alcohol 3-5 part, carboxymethyl cellulose 3-5 part, silk-protein powder 3-5 part, oxygenation agent 3-5 part, weeding particle 1-2 part, alkyl diamine 1-3 part, tween 1-3 part, water 80-100 part.
2. a kind of black liquid state mulch film as claimed in claim 1, is characterized in that, described marine alga concentrated solution is obtained by following methods: shred described marine alga for the broken end of marine alga, then broken for marine alga end is added to boiling 5-10min in the boiling water of its 100-200 times quality; Then draining is taken out at broken for marine alga end, added in the sodium pyrophosphate solution of 10-20 times of quality, and ultrasonication 1-2h, obtained marine alga mucus; Wherein the mass concentration of trisodium phosphate is 3%, and ultrasonication temperature is 65-70 DEG C, and ultrasonic power is 800-1200W, and ultrasonic frequency is 18-22kHz; In marine alga mucus, drip sodium hydroxide solution be adjusted to neutrality, finally marine alga mucus is concentrated into the marine alga concentrated solution that solid content is 30-50%.
3. a kind of black liquid state mulch film as claimed in claim 1, it is characterized in that, described silk-protein powder is obtained by following methods: be immersed into by silk in the solution of potassium carbonate of 6g/L and carry out coming unstuck 40min at 96-98 DEG C, and change solution of potassium carbonate when 20min, wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is (2-3) g/100mL; After coming unstuck, silk taken out and wash, dry at 60 DEG C, the concentration of again silk being added to 100-200 times of quality is at 94-96 DEG C, dissolve 2-3h in the calcium chloride solution of 1-2wt%, naturally cooling after dissolving, elimination solid impurity, filtrate is loaded in dialysis tubing, dialysis tubing is positioned in water the 2-3 days that dialyses, finally by the obtained silk-protein powder afterwards of liquid vacuum drying in dialysis tubing.
4. a kind of black liquid state mulch film as claimed in claim 1, it is characterized in that, described oxygenation agent is obtained by following methods: by beta-cyclodextrin and water 1:(1-2 in mass ratio) mix rear stirring, make beta-cyclodextrin in the pasty state, again by the one 1:(2-4 in mass ratio in the beta-cyclodextrin of pasty state and urea peroxide, SPC-D) mix and blend, vacuum-drying at 50-60 DEG C, obtained oxygenation agent after finally pulverizing.
5. a kind of black liquid state mulch film as claimed in claim 1, it is characterized in that, described weeding particle is obtained by following methods: the weeding liquid by obtained mass concentration soluble in water for weedicide being 1-2%, nano-attapulgite is added in weeding liquid and carry out ultrasonic wave dispersion, then after leaving standstill 1-2h, filtration obtains weeding particle.
6. a kind of black liquid state mulch film as claimed in claim 5, is characterized in that, described weedicide be selected from alachlor, acetochlor, Butachlor technical 92, benazolin, Paraquat one or more.
7. the preparation method of a kind of black liquid state mulch film as described in one of claim 1-6, is characterized in that, step is:
1), asphalt heating is stirred to 150-190 DEG C;
2), by marine alga concentrated solution, polyvinyl alcohol, carboxymethyl cellulose, silk-protein powder, oxygenation agent, weeding particle, alkyl diamine, tween adds in water and stirs, and is heated to 45-65 DEG C;
3), by step 1) and step 2) obtained mixing of materials evenly after grind, i.e. obtained black liquid state mulch film.
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| CN110423380A (en) * | 2019-08-12 | 2019-11-08 | 山东农业大学 | A kind of degradable liquid mulch film and preparation method thereof |
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