CN105419195B - A kind of degradable liquid-state mulch film and preparation method thereof with deinsectization function - Google Patents
A kind of degradable liquid-state mulch film and preparation method thereof with deinsectization function Download PDFInfo
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- CN105419195B CN105419195B CN201610048566.0A CN201610048566A CN105419195B CN 105419195 B CN105419195 B CN 105419195B CN 201610048566 A CN201610048566 A CN 201610048566A CN 105419195 B CN105419195 B CN 105419195B
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- deinsectization
- liquid
- seaweed
- silk
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- 239000002362 mulch Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 241001474374 Blennius Species 0.000 claims abstract description 71
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 108010022355 Fibroins Proteins 0.000 claims abstract description 29
- 239000012141 concentrate Substances 0.000 claims abstract description 29
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 27
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 16
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 16
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 15
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 15
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 15
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims abstract description 14
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims abstract description 14
- 235000019394 potassium persulphate Nutrition 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 12
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 33
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 210000003097 mucus Anatomy 0.000 claims description 18
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 16
- 229920000858 Cyclodextrin Polymers 0.000 claims description 15
- 239000001116 FEMA 4028 Substances 0.000 claims description 15
- 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 15
- 235000011175 beta-cyclodextrine Nutrition 0.000 claims description 15
- 229960004853 betadex Drugs 0.000 claims description 15
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- 238000009835 boiling Methods 0.000 claims description 12
- 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 12
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 12
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 12
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 12
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 claims description 10
- 229960000892 attapulgite Drugs 0.000 claims description 8
- 229910052625 palygorskite Inorganic materials 0.000 claims description 8
- 238000002525 ultrasonication Methods 0.000 claims description 8
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
- 239000002917 insecticide Substances 0.000 claims description 7
- 235000011837 pasties Nutrition 0.000 claims description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 7
- 229940045872 sodium percarbonate Drugs 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- CVXBEEMKQHEXEN-UHFFFAOYSA-N carbaryl Chemical compound C1=CC=C2C(OC(=O)NC)=CC=CC2=C1 CVXBEEMKQHEXEN-UHFFFAOYSA-N 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- NYPJDWWKZLNGGM-UHFFFAOYSA-N fenvalerate Chemical compound C=1C=C(Cl)C=CC=1C(C(C)C)C(=O)OC(C#N)C(C=1)=CC=CC=1OC1=CC=CC=C1 NYPJDWWKZLNGGM-UHFFFAOYSA-N 0.000 claims description 4
- 229960001952 metrifonate Drugs 0.000 claims description 4
- NFACJZMKEDPNKN-UHFFFAOYSA-N trichlorfon Chemical compound COP(=O)(OC)C(O)C(Cl)(Cl)Cl NFACJZMKEDPNKN-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- OWZREIFADZCYQD-NSHGMRRFSA-N deltamethrin Chemical compound CC1(C)[C@@H](C=C(Br)Br)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 OWZREIFADZCYQD-NSHGMRRFSA-N 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 5
- 230000012010 growth Effects 0.000 abstract description 5
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 37
- 239000000706 filtrate Substances 0.000 description 5
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 5
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000035558 fertility Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 241000723353 Chrysanthemum Species 0.000 description 3
- 235000007516 Chrysanthemum Nutrition 0.000 description 3
- YBOFEONRFJMHND-UHFFFAOYSA-N [Br].N#CC#N Chemical compound [Br].N#CC#N YBOFEONRFJMHND-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011149 active material Substances 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
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000502 dialysis Methods 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
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing 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
- 108010025899 gelatin film Proteins 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 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
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 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
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/04—Acids; Metal salts or ammonium salts thereof
- C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Cosmetics (AREA)
Abstract
The present invention relates to agricultural liquid-state mulch film fields, disclose a kind of degradable liquid-state mulch film and preparation method thereof with deinsectization function.Formula is acrylic acid, sodium hydroxide solution, potassium peroxydisulfate, aluminium chloride, N, N ' methylene-bisacrylamide, sodium bicarbonate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose, silk-fibroin powder, oxygenation agent, deinsectization particle.It is stirred to react the preparation method comprises the following steps: acrylic acid, potassium peroxydisulfate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose, silk-fibroin powder are added in sodium hydroxide solution.Aluminium chloride, N are added, N ' methylene-bisacrylamide continues to stir, finally adds oxygenation agent, be stirred to react after deinsectization particle and sodium bicarbonate, finished product after cooling.Degradable liquid-state mulch film film-formation result of the invention is good, can improve soil texture, and water conservation, heat insulation effect are outstanding, degradable, has deinsectization, promotes the function of crop root system growth；And it is good with the caking property of soil, it is not easy by rain drop erosion.
Description
Technical field
The present invention relates to agricultural liquid-state mulch film field more particularly to a kind of degradable liquid-state mulch film with deinsectization function and
Preparation method.
Background technique
During crop planting, it will usually after crop planting in earth's surface plastic covering mulch, play heat preservation,
Moisture-keeping function, to make crops early emergence, precocious and raising yield.Traditional plastic film in transport, overlay film, winder compared with
For trouble, efficiency is influenced.In addition, plastic film is easy to be run by wind, crop growth is influenced.And plastic film is easy to break
Broken, recycling is difficult afterwards in the soil for fragment residual, not degradable, causes soil contaminated, causes soil block hardened, under fertility
Drop.
Authorization Notice No. is CN103613460B, and the applying date is that the Chinese invention patent on November 25th, 2011 discloses one
Kind liquid-state mulch film function, preparation and its application method.Its main technical schemes are as follows: take sludge, it is different that the trichlorine dissolved by water is added
The bactericidal agent deodoring and disinfecting that cyanuric acid is constituted；Then after humic acid original powder, inorganic salts and water mixing homogeneous is added, then pass through
The masterbatch of body of paste composition is made in grinding, reaction；Take polyacrylamide and its derivative, lignosulfonates or/and cellulose
Derivative constitutes the son material with film forming, infiltration, dispersion, chelating and water retention property；Above-mentioned sub- material is dissolved by water when use, then
It is added into masterbatch stirring and atherosclerotic body is made, it is uniform then to add water agitation and dilution, can form ground by atomizers spray
Film.By sludge be major ingredient preparation solution state mulch, not only solve the problems, such as Treatment of Sludge substantially, more important is make its change give up into
Treasured can culture fertility significantly, and have and heat, preserve soil moisture, promoting the function of plant growth, realizing and eliminate " white pollution ", control agriculture
The industry fugitive dust factor improves soil, saves water resource, and increasing peasant income section branch promotes agricultural sustainable development.
The liquid-state mulch film of above-mentioned technical proposal solves the problems, such as " white pollution " to a certain extent, and is become using sludge
Waste be changed into values, energy conservation and environmental protection, but the water conservation of the liquid-state mulch film, heat insulation effect are not ideal enough, and functional more single；Furthermore with
Soil cohesion is poor, is easy by rain drop erosion.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of degradable liquid-state mulch film with deinsectization function and its
Preparation method.Degradable liquid-state mulch film film-formation result of the invention is good, can improve soil texture, and water conservation, heat insulation effect are outstanding,
It is easy degradation, there is deinsectization, promotes the function of crop root system growth；And it is good with the caking property of soil, it is not easy by rain drop erosion.
The specific technical proposal of the invention is: a kind of degradable liquid-state mulch film with deinsectization function, by following mass parts
Substance be prepared: 80-120 parts of acrylic acid, 200-240 parts of the sodium hydroxide solution of 4wt%, 0.3-0.5 parts of potassium peroxydisulfate,
0.6-0.8 parts of aluminium chloride, 0.2-0.4 parts of N, N ' methylene-bisacrylamide, 2-4 parts of sodium bicarbonate, seaweed concentrate 30-50
Part, 4-6 parts of polyvinyl alcohol, 3-5 parts of carboxymethyl cellulose, 3-5 parts of silk-fibroin powder, 3-5 parts of oxygenation agent, 3-6 parts of deinsectization particle.
In degradable liquid-state mulch film of the invention, since Sodium Polyacrylate, seaweed concentrate, polyvinyl alcohol, carboxymethyl are fine
The presence of dimension element, silk-fibroin powder, being formed has more sticky gel liquid can be rapid after being sprayed onto soil surface
Layer of gel film is formed, is able to suppress soil water evaporation after film forming, heat loss plays the role of water conservation, heat preservation.The film with
The adhesion strength of soil is strong, the soil particle in soil can be coupled to ideal aggregate, so as to improve soil texture, have soil
There is preferable permeability, is suitble to the growth of crops.Sodium Polyacrylate, seaweed concentrate, polyvinyl alcohol, carboxylic in the liquid-state mulch film
Methylcellulose compositions have outstanding moisture-keeping functions, and after compounding with silk-fibroin powder and film forming, caking property are good, and the caudacoria that forms a film
In with the countless fine ducts of solid, increase soil and extraneous permeability, be convenient for " respiratory ventilation ", but be unlikely to make
Heat distributes rapidly, the main component especially suitable for liquid-state mulch film.This have liquid-state mulch film sprinkling after can natural degradation, to environment
Pollution-free, environmentally protective.
As the preferred of the technical program, the seaweed concentrate is made by following methods: being sea by seaweed chopping
Seaweed powder is then added to boiling 5-10min in the boiling water of its 100-200 times of quality by algae powder；Then by seaweed powder
Draining is taken out, is added in the sodium pyrophosphate solution of 10-20 times of quality, and ultrasonication 1-2h, seaweed mucus is made；
Wherein the mass concentration of sodium pyrophosphate is 3%, and ultrasonication temperature is 65-70 DEG C, ultrasonic power 800-1200W, is surpassed
Frequency of sound wave is 18-22kHz；Sodium hydroxide solution is added dropwise into seaweed mucus and is adjusted to neutrality, is finally concentrated into seaweed mucus
Solid content is the seaweed concentrate of 30-50%.
The seaweed concentrate extracted according to the above method has algal polysaccharides abundant and other active materials, no
Only film forming, moisture retention are good, also can be used as the regulator of soil after auto-degradation, enhance soil fertility.
As the preferred of the technical program, the silk-fibroin powder is made by following methods: silk is immersed into the carbon of 6g/L
Degumming 40min is carried out in sour potassium solution at 96-98 DEG C, and replaces solution of potassium carbonate in 20min, wherein silk and carbonic acid
The solid-to-liquid ratio of potassium solution is (2-3) g/100mL；Silk is taken out and is eluted with water after degumming, is dried at 60 DEG C, then by silk
2-3h is dissolved at 94-96 DEG C in the calcium chloride solution that the concentration for being added to 100-200 times of quality is 1-2wt%, after dissolution certainly
It is so cooling, solid impurity is filtered off, filtrate is fitted into bag filter, bag filter is placed in water and is dialysed 2-3 days, it finally will dialysis
Silk-fibroin powder is made after liquid vacuum is dry in bag.
The silk-fibroin powder of above method preparation, purity is high, viscosity is good after being dissolved in water, after capable of enhancing liquid-state mulch film film forming
Intensity, and silk-fibroin itself also can be used as nutrient, increase soil fertility.
As the preferred of the technical program, the oxygenation agent is made by following methods: in mass ratio by beta-cyclodextrin and water
It is stirred after 1:(1-2) mixing, makes beta-cyclodextrin in the pasty state, then will be in the beta-cyclodextrin of paste and urea peroxide, SODIUM PERCARBONATE
One kind 1:(2-4 in mass ratio) it is mixed, it is dried in vacuo at 50-60 DEG C, oxygenation agent is made after finally crushing.
Urea peroxide, SODIUM PERCARBONATE can discharge oxygen, by beta-cyclodextrin and urea peroxide, SODIUM PERCARBONATE it is compound after, β-ring
Dextrin can be coated, and since urea peroxide, SODIUM PERCARBONATE are easily excessively dissolved in water and are heated and be decomposed, and have β-ring paste
The cladding of essence, can play protection, slow releasing function to urea peroxide, SODIUM PERCARBONATE to a certain extent, prevent urea peroxide, mistake
The too fast failure of sodium carbonate.And beta-cyclodextrin after being combined with water in the pasty state, is easy to and Sodium Polyacrylate, seaweed concentrate, poly- simultaneously
The substances compatibles such as vinyl alcohol, carboxymethyl cellulose, silk-fibroin powder.After liquid-state mulch film sprinkling, oxygenation agent is penetrated into soil,
Slow release oxygen, timeliness is long, crop root part can be promoted to grow.
As the preferred of the technical program, the deinsectization particle is made by following methods: insecticide being added in water and is made
The deinsectization liquid that mass concentration is 2-4% is obtained, nano-attapulgite is added to progress ultrasonic wave dispersion in deinsectization liquid, then stand 1-
Deinsectization particle is obtained by filtration after 2h.
Insecticide is dissolved in after water, deinsectization liquid is made, nano-attapulgite has very strong adsorptivity, distributes it to and goes out
Deinsectization liquid can be adsorbed in worm liquid, after compounding with liquid-state mulch film other compositions, make the insecticide stability in deinsectization liquid
More preferably, insecticide can penetrate on soil after sprinkling, play the role of deinsectization, the specific additional amount of nano-attapulgite is not
Limit guarantees that it can be saturated absorption deinsectization liquid.
As the preferred of the technical program, the insecticide is Belmark, in bromine cyanogen chrysanthemum junket, metrifonate, sevin
It is one or more.
A kind of preparation method of the degradable liquid-state mulch film with deinsectization function, step are as follows:
1) each substance, is weighed respectively, first by acrylic acid, potassium peroxydisulfate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose
Element, silk-fibroin powder are added in the reaction vessel equipped with sodium hydroxide solution and are stirred to react 30-40min at 70-75 DEG C.Hydrogen
The effect of sodium hydroxide solution in the present invention are as follows: 1, as the raw material for preparing Sodium Polyacrylate.2, increase the molten of Sodium Polyacrylate
Xie Du.3, pH value is adjusted.
2), by aluminium chloride, N, N ' methylene-bisacrylamide is successively added in reaction vessel, and is cooled to 60-65 DEG C
Under be stirred to react, oxygenation agent, deinsectization particle and sodium bicarbonate are added into reaction vessel after 2-4h, and be cooled to 50-55 DEG C
Continue to be stirred to react 20-40min, reaction solution has certain stickiness, slightly gelation, sodium bicarbonate and unclassified stores at this time
Bulk gas is produced by thermal decomposition after mixing, a large amount of capillary micropore is generated in gel-in-matrix, is not only greatly increased
The water-retaining property of liquid-state mulch film, and enhance the gas permeability of liquid-state mulch film is finally cooled to be made after room temperature have the function of deinsectization
Degradable liquid-state mulch film.
It is compared with the prior art, the beneficial effects of the present invention are: degradable liquid-state mulch film film-formation result of the invention is good, energy
Enough improve soil texture, water conservation, heat insulation effect are outstanding, are easy degradation, have deinsectization, promote the function of crop root system growth；
And it is good with the caking property of soil, it is not easy by rain drop erosion.
Specific embodiment
The present invention will be further described with reference to the examples below.
Embodiment 1
A kind of degradable liquid-state mulch film with deinsectization function, is prepared by the substance of following mass parts: acrylic acid 100
Part, 220 parts of the sodium hydroxide solution of 4wt%, 0.4 part of potassium peroxydisulfate, 0.7 part of aluminium chloride, N, N ' methylene-bisacrylamide 0.3
Part, 3 parts of sodium bicarbonate, 40 parts of seaweed concentrate, 5 parts of polyvinyl alcohol, 4 parts of carboxymethyl cellulose, 4 parts of silk-fibroin powder, oxygenation agent 4
Part, 4.5 parts of deinsectization particle.
The seaweed concentrate is made by following methods: the seaweed being shredded as seaweed powder, then by seaweed powder
It is added to boiling 7.5min in the boiling water of its 150 times of quality；Then seaweed powder is taken out into draining, is added to 15 times of quality
Sodium pyrophosphate solution in, seaweed mucus is made in and ultrasonication 1.5h；Wherein the mass concentration of sodium pyrophosphate is 3%, is surpassed
Sonicated temperature is 67.5 DEG C, ultrasonic power 1000W, ultrasonic frequency 20kHz；Hydrogen-oxygen is added dropwise into seaweed mucus
Change sodium solution and be adjusted to neutrality, seaweed mucus is finally concentrated into the seaweed concentrate that solid content is 40%.
The silk-fibroin powder is made by following methods: silk being immersed into the solution of potassium carbonate of 6g/L and is carried out at 97 DEG C
Degumming 40min, and solution of potassium carbonate is replaced in 20min, wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 2.5g/
100mL；Silk is taken out and is eluted with water after degumming, is dried at 60 DEG C, then is by the concentration that silk is added to 150 times of quality
2.5h is dissolved in the calcium chloride solution of 1.5wt% at 95 DEG C, natural cooling after dissolution filters off solid impurity, filtrate is packed into
In bag filter, bag filter is placed in water and is dialysed 2.5 days, finally silk-fibroin will be made after liquid vacuum drying in bag filter
Powder.
The oxygenation agent is made by following methods: being stirred after beta-cyclodextrin is mixed with water 1:1.5 in mass ratio, is made β-ring
Dextrin in the pasty state, then by the beta-cyclodextrin of paste and urea peroxide 1:3 is in mass ratio mixed, and is dried in vacuo at 55 DEG C,
Oxygenation agent is made after finally crushing.
The deinsectization particle is made by following methods: bromine cyanogen chrysanthemum junket, sevin, which are added in water obtained mass concentration, is
Nano-attapulgite is added in deinsectization liquid progress ultrasonic wave dispersion by 3% deinsectization liquid, then is stood to be obtained by filtration after 1.5h and be gone out
Worm particle.
A kind of preparation method of the degradable liquid-state mulch film with deinsectization function, step are as follows:
1) each substance, is weighed respectively, first by acrylic acid, potassium peroxydisulfate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose
Element, silk-fibroin powder are added in the reaction vessel equipped with sodium hydroxide solution and are stirred to react 35min at 72.5 DEG C；
2), by aluminium chloride, N, N ' methylene-bisacrylamide is successively added in reaction vessel, and is cooled at 62.5 DEG C
It is stirred to react, adds oxygenation agent, deinsectization particle and sodium bicarbonate into reaction vessel after 3h, and be cooled to 52.5 DEG C and continue to stir
Reaction 30min is mixed, the degradable liquid-state mulch film with deinsectization function is made after being finally cooled to room temperature.
Embodiment 2
A kind of degradable liquid-state mulch film with deinsectization function, is prepared by the substance of following mass parts: acrylic acid 80
Part, 200 parts of the sodium hydroxide solution of 4wt%, 0.3 part of potassium peroxydisulfate, 0.6 part of aluminium chloride, N, N ' methylene-bisacrylamide 0.2
Part, 2 parts of sodium bicarbonate, 50 parts of seaweed concentrate, 6 parts of polyvinyl alcohol, 3 parts of carboxymethyl cellulose, 3 parts of silk-fibroin powder, oxygenation agent 3
Part, 3 parts of deinsectization particle.
The seaweed concentrate is made by following methods: the seaweed being shredded as seaweed powder, then by seaweed powder
It is added to boiling 5min in the boiling water of its 100 times of quality；Then seaweed powder is taken out into draining, is added to 10 times of quality
In sodium pyrophosphate solution, and ultrasonication 1h, seaweed mucus is made；Wherein the mass concentration of sodium pyrophosphate is 3%, ultrasonic wave
Treatment temperature is 65 DEG C, ultrasonic power 800W, ultrasonic frequency 18-kHz；It is molten that sodium hydroxide is added dropwise into seaweed mucus
Liquid is adjusted to neutrality, and seaweed mucus is finally concentrated into the seaweed concentrate that solid content is 30%.
The silk-fibroin powder is made by following methods: silk being immersed into the solution of potassium carbonate of 6g/L and is carried out at 96 DEG C
Degumming 40min, and solution of potassium carbonate is replaced in 20min, wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 2g/100mL；
Silk is taken out and is eluted with water after degumming, is dried at 60 DEG C, then silk is added to the concentration of 100 times of quality as 1wt%
Calcium chloride solution in dissolve 2h at 94 DEG C, natural cooling after dissolution filters off solid impurity, filtrate is fitted into bag filter,
Bag filter is placed in water and is dialysed 2 days, finally silk-fibroin powder will be made after liquid vacuum drying in bag filter.
The oxygenation agent is made by following methods: being stirred after beta-cyclodextrin is mixed with water 1:1 in mass ratio, is made β-ring paste
Essence in the pasty state, then by the beta-cyclodextrin of paste and SODIUM PERCARBONATE 1:2 is in mass ratio mixed, and is dried in vacuo at 50 DEG C, most
Oxygenation agent is made after crushing afterwards.
The deinsectization particle is made by following methods: Belmark, bromine cyanogen chrysanthemum junket, metrifonate, sevin are added to water
In the deinsectization liquid that mass concentration is 2% is made, nano-attapulgite is added in deinsectization liquid progress ultrasonic wave dispersion, then stand
Deinsectization particle is obtained by filtration after 1h.
A kind of preparation method of the degradable liquid-state mulch film with deinsectization function, step are as follows:
1) each substance, is weighed respectively, first by acrylic acid, potassium peroxydisulfate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose
Element, silk-fibroin powder are added in the reaction vessel equipped with sodium hydroxide solution and are stirred to react 40min at 70 DEG C；
2), by aluminium chloride, N, N ' methylene-bisacrylamide is successively added in reaction vessel, and is cooled at 60 DEG C and stirs
Reaction is mixed, adds oxygenation agent, deinsectization particle and sodium bicarbonate into reaction vessel after 4h, and is cooled to 50 DEG C and continues stirring instead
40min is answered, the degradable liquid-state mulch film with deinsectization function is made after being finally cooled to room temperature.
Embodiment 3
A kind of degradable liquid-state mulch film with deinsectization function, is prepared by the substance of following mass parts: acrylic acid 120
Part, 240 parts of the sodium hydroxide solution of 4wt%, 0.5 part of potassium peroxydisulfate, 0.8 part of aluminium chloride, N, N ' methylene-bisacrylamide 0.4
Part, 4 parts of sodium bicarbonate, 30 parts of seaweed concentrate, 4 parts of polyvinyl alcohol, 5 parts of carboxymethyl cellulose, 5 parts of silk-fibroin powder, oxygenation agent 5
Part, 6 parts of deinsectization particle.
The seaweed concentrate is made by following methods: the seaweed being shredded as seaweed powder, then by seaweed powder
It is added to boiling 10min in the boiling water of its 200 times of quality；Then seaweed powder is taken out into draining, is added to 10-20 times of matter
In the sodium pyrophosphate solution of amount, and ultrasonication 2h, seaweed mucus is made；Wherein the mass concentration of sodium pyrophosphate is 3%, is surpassed
Sonicated temperature is 70 DEG C, ultrasonic power 1200W, ultrasonic frequency 22kHz；Hydroxide is added dropwise into seaweed mucus
Sodium solution is adjusted to neutrality, and seaweed mucus is finally concentrated into the seaweed concentrate that solid content is 50%.
The silk-fibroin powder is made by following methods: silk being immersed into the solution of potassium carbonate of 6g/L and is carried out at 98 DEG C
Degumming 40min, and solution of potassium carbonate is replaced in 20min, wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 3g/100mL；
Silk is taken out and is eluted with water after degumming, is dried at 60 DEG C, then silk is added to the concentration of 200 times of quality as 2wt%
Calcium chloride solution in dissolve 2h at 96 DEG C, natural cooling after dissolution filters off solid impurity, filtrate is fitted into bag filter,
Bag filter is placed in water and is dialysed 3 days, finally silk-fibroin powder will be made after liquid vacuum drying in bag filter.
The oxygenation agent is made by following methods: being stirred after beta-cyclodextrin is mixed with water 1:2 in mass ratio, is made β-ring paste
Essence in the pasty state, then by the beta-cyclodextrin of paste and urea peroxide 1:4 is in mass ratio mixed, and is dried in vacuo at 60 DEG C, most
Oxygenation agent is made after crushing afterwards.
The deinsectization particle is made by following methods: Belmark, sevin, which are added in water obtained mass concentration, is
Nano-attapulgite is added to progress ultrasonic wave dispersion in deinsectization liquid, then deinsectization is obtained by filtration after standing 2h by 4% deinsectization liquid
Particle.
A kind of preparation method of the degradable liquid-state mulch film with deinsectization function, step are as follows:
1) each substance, is weighed respectively, first by acrylic acid, potassium peroxydisulfate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose
Element, silk-fibroin powder are added in the reaction vessel equipped with sodium hydroxide solution and are stirred to react 30min at 75 DEG C；
2), by aluminium chloride, N, N ' methylene-bisacrylamide is successively added in reaction vessel, and is cooled at 65 DEG C and stirs
Reaction is mixed, adds oxygenation agent, deinsectization particle and sodium bicarbonate into reaction vessel after 2h, and is cooled to 55 DEG C and continues stirring instead
20min is answered, the degradable liquid-state mulch film with deinsectization function is made after being finally cooled to room temperature.
Embodiment 4
A kind of degradable liquid-state mulch film with deinsectization function, is prepared by the substance of following mass parts: acrylic acid 90
Part, 210 parts of the sodium hydroxide solution of 4wt%, 0.3 part of potassium peroxydisulfate, 0.6 part of aluminium chloride, N, N ' methylene-bisacrylamide 0.3
Part, 3 parts of sodium bicarbonate, 35 parts of seaweed concentrate, 5 parts of polyvinyl alcohol, 5 parts of carboxymethyl cellulose, 3 parts of silk-fibroin powder, oxygenation agent 4
Part, 4 parts of deinsectization particle.
The seaweed concentrate is made by following methods: the seaweed being shredded as seaweed powder, then by seaweed powder
It is added to boiling 8min in the boiling water of its 120 times of quality；Then seaweed powder is taken out into draining, is added to 16 times of quality
In sodium pyrophosphate solution, and ultrasonication 1.5h, seaweed mucus is made；Wherein the mass concentration of sodium pyrophosphate is 3%, ultrasound
Wave treatment temperature is 68 DEG C, ultrasonic power 900W, ultrasonic frequency 21kHz；Sodium hydroxide is added dropwise into seaweed mucus
Solution is adjusted to neutrality, and seaweed mucus is finally concentrated into the seaweed concentrate that solid content is 35%.
The silk-fibroin powder is made by following methods: silk being immersed into the solution of potassium carbonate of 6g/L and is carried out at 9 DEG C
Degumming 40min, and solution of potassium carbonate is replaced in 20min, wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is 2g/100mL；
Silk is taken out and is eluted with water after degumming, is dried at 60 DEG C, then is by the concentration that silk is added to 160 times of quality
2.5h is dissolved in the calcium chloride solution of 1.5wt% at 94 DEG C, natural cooling after dissolution filters off solid impurity, filtrate is packed into
In bag filter, bag filter is placed in water and is dialysed 3 days, finally silk-fibroin powder will be made after liquid vacuum drying in bag filter.
The oxygenation agent is made by following methods: being stirred after beta-cyclodextrin is mixed with water 1:2 in mass ratio, is made β-ring paste
Essence in the pasty state, then by the beta-cyclodextrin of paste and urea peroxide 1:4 is in mass ratio mixed, and is dried in vacuo at 55 DEG C, most
Oxygenation agent is made after crushing afterwards.
The deinsectization particle is made by following methods: it is dense that the metrifonate of equivalent, sevin are added in water obtained quality
Nano-attapulgite is added to progress ultrasonic wave dispersion in deinsectization liquid, then filtered after standing 1.5h by the deinsectization liquid that degree is 2.5%
Obtain deinsectization particle.
A kind of preparation method of the degradable liquid-state mulch film with deinsectization function, step are as follows:
1) each substance, is weighed respectively, first by acrylic acid, potassium peroxydisulfate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose
Element, silk-fibroin powder are added in the reaction vessel equipped with sodium hydroxide solution and are stirred to react 35min at 70 DEG C；
2), by aluminium chloride, N, N ' methylene-bisacrylamide is successively added in reaction vessel, and is cooled at 60 DEG C and stirs
Reaction is mixed, adds oxygenation agent, deinsectization particle and sodium bicarbonate into reaction vessel after 3h, and is cooled to 50 DEG C and continues stirring instead
35min is answered, the degradable liquid-state mulch film with deinsectization function is made after being finally cooled to room temperature.
Degradable liquid-state mulch film with deinsectization function of the invention is sprayed to soil surface, by 600-800ml/m2's
Fountain height can make the soil moisture increase 6-8 DEG C, compared with plastic covering mulch, soil water-retaining compared with not spraying liquid-state mulch film
15-25% can be improved in rate.It can substantially completely degrade after the 2-4 month after liquid-state mulch film sprinkling of the present invention.
Raw materials used in the present invention, equipment is unless otherwise noted the common raw material, equipment of this field；In the present invention
Method therefor is unless otherwise noted the conventional method of this field.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side
The protection scope of case.
Claims (4)
1. a kind of degradable liquid-state mulch film with deinsectization function, which is characterized in that be prepared by the substance of following mass parts:
80-120 parts of acrylic acid, 200-240 parts of the sodium hydroxide solution of 4wt%, 0.3-0.5 parts of potassium peroxydisulfate, aluminium chloride 0.6-0.8
Part, 0.2-0.4 parts of N, N ' methylene-bisacrylamide, 2-4 parts of sodium bicarbonate, 30-50 parts of seaweed concentrate, polyvinyl alcohol 4-6
Part, 3-5 parts of carboxymethyl cellulose, 3-5 parts of silk-fibroin powder, 3-5 parts of oxygenation agent, 3-6 parts of deinsectization particle；
The oxygenation agent is made by following methods: by beta-cyclodextrin and water 1:(1-2 in mass ratio) mix after stir, make β-ring paste
Essence in the pasty state, then by the beta-cyclodextrin of paste and one of urea peroxide, SODIUM PERCARBONATE 1:(2-4 in mass ratio) mix and stir
It mixes, is dried in vacuo at 50-60 DEG C, oxygenation agent is made after finally crushing；
The deinsectization particle is made by following methods: insecticide is added to, the deinsectization liquid that mass concentration is 2-4% is made in water,
Nano-attapulgite is added to progress ultrasonic wave dispersion in deinsectization liquid, then deinsectization particle is obtained by filtration after standing 1-2h；
The silk-fibroin powder is made by following methods: silk being immersed into the solution of potassium carbonate of 6g/L and is carried out at 96-98 DEG C
Degumming 40min, and solution of potassium carbonate is replaced in 20min, wherein the solid-to-liquid ratio of silk and solution of potassium carbonate is (2-3) g/
100mL；Silk is taken out and is eluted with water after degumming, is dried at 60 DEG C, then silk is added to the dense of 100-200 times of quality
2-3h is dissolved in the calcium chloride solution that degree is 1-2wt% at 94-96 DEG C, natural cooling after dissolution filters off solid impurity, will filter
Liquid is fitted into bag filter, and bag filter is placed in water and is dialysed 2-3 days, finally silk will be made after liquid vacuum drying in bag filter
Albumen powder.
2. a kind of degradable liquid-state mulch film with deinsectization function as described in claim 1, which is characterized in that the seaweed is dense
Contracting liquid is made by following methods: the seaweed being shredded as seaweed powder, seaweed powder is then added to its 100-200 times of matter
Boiling 5-10min in the boiling water of amount；Then seaweed powder is taken out into draining, is added to the sodium pyrophosphate of 10-20 times of quality
In solution, and ultrasonication 1-2h, seaweed mucus is made；Wherein the mass concentration of sodium pyrophosphate is 3%, ultrasonication temperature
Degree is 65-70 DEG C, ultrasonic power 800-1200W, ultrasonic frequency 18-22kHz；Hydroxide is added dropwise into seaweed mucus
Sodium solution is adjusted to neutrality, and seaweed mucus is finally concentrated into the seaweed concentrate that solid content is 30-50%.
3. a kind of degradable liquid-state mulch film with deinsectization function as described in claim 1, which is characterized in that the insecticide
For one of Belmark, decis, metrifonate, sevin or a variety of.
4. a kind of preparation method of degradable liquid-state mulch film with deinsectization function as described in one of claim 1-3, special
Sign is step are as follows:
1) each substance, is weighed respectively, first by acrylic acid, potassium peroxydisulfate, seaweed concentrate, polyvinyl alcohol, carboxymethyl cellulose, silk
Albumen powder is added in the reaction vessel equipped with sodium hydroxide solution and is stirred to react 30-40min at 70-75 DEG C；
2), by aluminium chloride, N, N ' methylene-bisacrylamide is successively added in reaction vessel, and is cooled at 60-65 DEG C and stirs
Reaction is mixed, adds oxygenation agent, deinsectization particle and sodium bicarbonate into reaction vessel after 2-4h, and be cooled to 50-55 DEG C of continuation
It is stirred to react 20-40min, the degradable liquid-state mulch film with deinsectization function is made after being finally cooled to room temperature.
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