CN1219020C - Liquid mulching film and its producing method - Google Patents
Liquid mulching film and its producing method Download PDFInfo
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- CN1219020C CN1219020C CN 01133379 CN01133379A CN1219020C CN 1219020 C CN1219020 C CN 1219020C CN 01133379 CN01133379 CN 01133379 CN 01133379 A CN01133379 A CN 01133379A CN 1219020 C CN1219020 C CN 1219020C
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Abstract
The present invention provides a production method for a liquid-state mulching film which is prepared from vacuum residue and/or bitumen, water, a surface active agent, a stabilizing agent, a protective agent, an additive agent, etc., wherein the vacuum residue or the bitumen has wide sources and comprises various kinds of crude oil and vacuum residue and/or bitumen produced by different techniques; the surface active agent is the cationic surfactant, particularly alkylamine. The present invention has the advantages of wide source, small dosage of the surface active agent, low cost, high product concentration, good film forming performance and high stability; the liquid-state mulching film can have different functions by adjusting the prescription and can not only be used as liquid-state mulching films and soil improvement agents, but also be used for preventing wind, binding sand, planting grass, preventing and curing water and soil loss, preventing seeping of buildings and water channels, etc.
Description
1, technical field
The present invention relates to a kind of liquid-state mulch film and production method thereof.
2, background technology
In agricultural production process, for make farm crop early emerge, precocious and improve output, experience in the past is a plantation back plastic covering mulch film, to improve ground temperature, keeps humidity, promotes farm crop early to germinate, early emerge, and reaches precocious and improves the purpose of output.But, adopt plastic film, when just going out soil, seedling needs manually plastic film to be pushed aside, but also the GPRS inning does not have the soil moisture conservation effect too early, crosses party and causes seedling death, even in plot, same a kind of crop of same time sowing, its seedling-growing time also is not quite similar, so when adopting plastic film to take a lot of work.In addition, plastic film is difficult for degraded, is difficult for reclaiming, and remains in not only can hinder or influence in the soil and sows next time and cause white pollution, but also can destroy Soil structure, causes crop production reduction.Therefore, CN1116635 etc. propose degradable mulch, and its main raw material is polyvinyl resin, treated starch, photosensitizers, oxygenant etc.Though can reach degradation effect, it costs an arm and a leg, make input cost increase by 2～3 times, consider to be difficult for promoting from economic aspect.
It is a kind of mulching powder material of main raw material that CN1088229 and CN1114327 propose with the polyvinyl alcohol, is sprayed at the face of land after water-soluble at the scene, forms a kind of film, it is characterized in that degradable, has avoided white pollution.
It is raw material that CN1232857 proposes with pitch, add water, cats product palmityl trimethyl ammonium chloride, anion surfactant AES, solubility promoter etc. and make bitumen emulsion, be sprayed on the surface of ploughing behind 5 times of the dilute with waters, form one deck brown or black thin film, play heating the soil moisture conservation effect and can avoid white pollution.But relatively poor because of its selected tensio-active agent emulsifying property, so large usage quantity, cost is higher, be difficult for being accepted by the peasant, and product stability and film-forming properties is poor, and it is difficult to apply.
It is raw material that CN1277228 also proposes with pitch, with cats product or anion surfactant, adds water, starch, stablizer, membrane-forming agent etc. and makes bitumen emulsion.Be sprayed on the surface of ploughing again behind 1～2 times of the dilute with water, form film, replace plastic film.But its product stability is poor, and concentration is low, transportation cost is higher, meets the very easy breakdown of emulsion of hard water during dilution.
3, summary of the invention
The present invention's purpose is in order to overcome above-mentioned shortcoming, to utilize oil by product vacuum residuum and/or pitch to be main raw material, and a kind of with low cost, liquid-state mulch film and production method thereof that concentration is higher are provided.
Liquid-state mulch film of the present invention consists of: (by weight, as follows.)
Residual oil and/or pitch 40%～73% best 51%～73%
Water 24.9%～59% best 26.9%～48.3%
Tensio-active agent 0.1%～1.0% best 0.1%～0.7%
In addition, can also add stablizer, protective material and additive, wherein stablizer add-on (by weight) is: 0.01%～1.0%, best 0.1%～0.8%; The protective material add-on is 0.01%～2.0%, best 0.02%～1.8%; The additive add-on is 0.01%～3.0%, best 0.1%～1.8%.
Wherein vacuum residuum or asphalt source are wider, comprise vacuum residuum and/or the pitch produced with various crude oil and different process; Tensio-active agent is a cationic surfactant, preferably in kiber alkyl amine, alkyl diamine and the alkyl triamine etc. one or more; Stablizer is inorganic salt, as in ammonium salt, calcium salt, magnesium salts and the molysite etc. one or more; Protective material be in W-Gum, Zulkovsky starch, carboxymethyl starch, carboxymethyl cellulose, Natvosol, polyoxyethylene glycol, polymaleic anhydride and the polyvinylpyrrolidone etc. one or more; Additive be in nutrition agent, water-holding agent, sterilant and the weedicide etc. one or more.Nutrition agent comprises that nitrogen, phosphorus, potassium etc. help the various fertilizer of crop growth, as ammoniacal liquor, urea, potassium hydrogen phosphate etc.The product of this patent is sprayed in the surface of ploughing, and fertilizer is penetrated in the soil with water, can save the operation to crop fertilization.Water-holding agent comprises one or more in the water-soluble high-molecular substances such as poly-acetate propylene, polyacrylic acid, modified polyvinyl acetate, polyacrylamide and polyvinyl alcohol, can play the drought-relief effect to a certain extent.Sterilant is the commercially available prod, as " phenyl-hexachloride ", " 1605 " etc., can kill subterranean pest-insects such as human skeleton in the soil, grub, wireworm.Weedicide is the commercially available prod, as " nitrofen ", " Diuron Tech ", " the anti-department of standing grain ", " agricultural power " etc., can suppress weed growth, saves the weeding operation.
Product performance of the present invention meet the following requirements:
Color brown or black
The outward appearance exquisiteness
Normal viscosity 25～100S
Evaporation residue content＞55Wt%
Residual content＜0.1Wt% on the sieve
Stability in storage (24h)＜1Wt%
Dilution stability (24h)＜1Wt%
Said dilution stability is with after 10 times of the emulsion dilutions, measures by the stability in storage experiment again.
The production method of product of the present invention is: get the residual oil or the pitch of predetermined weight, be heated to 120 ℃～180 ℃, the tensio-active agent that weight is in accordance with regulations weighed up is dissolved in 30 ℃～90 ℃ the water, can make the present invention's product jointly by colloidal mill.Improve its stability and film-forming properties can suitably add stablizer and protective material etc. as need, make it have functions such as nutrition, water conservation, desinsection, weeding as need, then can corresponding adding nutrition agent, water-holding agent, Insecticides (tech) ﹠ Herbicides (tech) etc.
The present invention's product can be used as liquid-state mulch film and soil conditioner, plays to heat soil moisture conservation, improves Soil structure, increases the water stability granule of soil, improves fertilizer efficiency, promotes effects such as farm crop precocity and raising output.Compare with plastic film, have preparation simple, with low cost, easy to use, save man-hour, and under the soil microorganisms effect degradable, avoid the advantages such as white pollution of plastic film.
The present invention's product stability is good, the concentration height, can reduce transportation cost, and 10 times of dilutable waters are breakdown of emulsion not, is not afraid of hard water, and good film-forming property.It is sprayed on the surface of just having sowed, arable land, form one deck brown or black thin film, can not only play the effect of mulch film, avoid white pollution, and main component vacuum residuum wherein or pitch can natural degradation be humic acids under illumination and soil microorganisms effect, ploughing under behind the soil is the fine soil improvement agent, can increase the water stability granule of soil, helps the raising of crop growth and output.This patent product also can play and heat soil moisture conservation, improve functions such as Soil structure except that having the due function of mulch film, simultaneously, also because of the additive types difference, have functions such as weeding, desinsection, water conservation, fertilizer concurrently.
In addition, this patent product also can be used for checking winds and fixing drifting sand, turf plant, prevention soil and water loss, buildings and Irrigation Ditch antiseep etc.
4, embodiment
Embodiment 1
Win victory 580 parts in sharp vacuum residuum, 420 parts in water, 8 parts in tensio-active agent " octadecyl primary amine ", 6 parts of stablizers " ammonium chloride ", 2 parts of protective materials " W-Gum ", 9 parts of weedicides " the anti-department of standing grain ", emulsification on emulsifier unit.This prescription also has weeding function concurrently except that having mulch film function, see Table 1 concrete the composition, and product property sees Table 2.
Embodiment 2
Get 600 parts in Xinjiang vacuum residuum, 400 parts in water, 10 parts in tensio-active agent " C10 cycloalkyl triamine "; 2 parts of stablizers " magnesium chloride ", 0.2 part of protective material " Natvosol ", 10 parts in fertilizer " ammoniacal liquor "; 5 parts in sterilant " 1605 ", emulsification on emulsifier unit.This prescription also has fertilizer and insecticidal function concurrently except that having mulch film function, form to see Table 1, and product property sees Table 2.
Embodiment 3
Get 650 parts of grand celebration propane de-oiled asphalts; 350 parts in water; 3 parts in tensio-active agent " stearic trimethylene diamines "; 2 parts of stablizers " calcium chloride "; 10 parts of protective materials " Zulkovsky starch ", 4 parts of water-holding agents " polyacrylamide ", 5 parts of weedicides " nitrofen "; 6 parts in fertilizer " ammoniacal liquor ", emulsification on emulsifier unit.This prescription also has water conservation, weeding and fertilizer function concurrently except that having mulch film function, form to see Table 1, and product property sees Table 2.
Embodiment 4
Get 700 parts of Liaohe River straight-run pitches; 300 parts in water; 3 parts in tensio-active agent " hexadecyl primary amine ", 2 parts in tensio-active agent " C20 cycloalkyl triamine ", 5 parts of stablizers " ferrous sulfate "; 10 parts of protective materials " carboxymethyl cellulose "; 4 parts of weedicides " agricultural power ", 3 parts in sterilant " phenyl-hexachloride ", 4 parts of water-holding agents " polyvinyl alcohol "; 7 parts in fertilizer " urea ", emulsification on emulsifier unit.This prescription also has weeding, desinsection, water conservation and fertilizer function concurrently except that having mulch film function, form to see Table 1, and product property sees Table 2.
The composition of product among each embodiment of table 1
| Form Wt% | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Residual oil/pitch | 56.7 | 58.4 | 63.1 | 67.4 |
| Water | 40.8 | 38.9 | 34.0 | 28.9 |
| Tensio-active agent | 0.8 | 0.98 | 0.3 | 0.3 |
| Stablizer | 0.6 | 0.2 | 0.2 | 0.2 |
| Protective material | 0.2 | 0.02 | 1.0 | 0.5 |
| Additive | 0.9 | 1.5 | 1.4 | 2.7 |
The character of product among each embodiment of table 2
| Character | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Color | Brown | Brown | Brown | Brown |
| Outward appearance | Fine and smooth | Fine and smooth | Fine and smooth | Fine and smooth |
| Normal viscosity, S | 29 | 36 | 63 | 66 |
| Evaporation residue content, Wt% | 59 | 61 | 66 | 71 |
| Residual content on the sieve, Wt% | 0 | 0.01 | 0.02 | 0.04 |
| Stability in storage (24h) Wt% | 0.87 | 0.52 | 0.48 | 0.08 |
| Dilution stability (24h) Wt% | 0.91 | 0.68 | 0.74 | 0.19 |
Claims (3)
1. liquid-state mulch film is characterized in that this mulch film is formed by weight to comprise:
Residual oil and/or pitch 40%～73%,
Water 24.9%～59%,
Tensio-active agent 0.1%～1.0%,
Stablizer 0.01%～1.0%,
Protective material 0.01%～2.0%;
Wherein tensio-active agent is one or more in kiber alkyl amine, alkyl diamine and the alkyl triamine; stablizer be in ammonium salt, calcium salt, magnesium salts and the molysite one or more, protective material be in W-Gum, Zulkovsky starch, carboxymethyl starch, carboxymethyl cellulose, Natvosol, polyoxyethylene glycol, polymaleic anhydride and the polyvinylpyrrolidone one or more.
2. according to the described liquid-state mulch film of claim 1, it is characterized in that wherein containing additive, add-on is by weight: 0.01%～3.0%; Additive be in nutrition agent, water-holding agent, sterilant and the weedicide one or more; Wherein water-holding agent comprises one or more in poly-acetate propylene, polyacrylic acid, modified polyvinyl acetate, polyacrylamide and the polyvinyl alcohol.
3. according to the described liquid-state mulch film of claim 2, it is characterized in that wherein containing stablizer, protective material and additive by weight add-on be:
Stablizer: 0.1%～0.8%;
Protective material: 0.02%～1.8%;
Additive: 0.1%～1.8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01133379 CN1219020C (en) | 2001-10-30 | 2001-10-30 | Liquid mulching film and its producing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01133379 CN1219020C (en) | 2001-10-30 | 2001-10-30 | Liquid mulching film and its producing method |
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| Publication Number | Publication Date |
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| CN1415698A CN1415698A (en) | 2003-05-07 |
| CN1219020C true CN1219020C (en) | 2005-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 01133379 Expired - Lifetime CN1219020C (en) | 2001-10-30 | 2001-10-30 | Liquid mulching film and its producing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419365A (en) * | 2016-01-25 | 2016-03-23 | 陈一坚 | Black liquid mulching film and preparation method thereof |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420729C (en) * | 2005-09-06 | 2008-09-24 | 中国矿业大学(北京) | Sand fixing agent and preparing process thereof |
| CN100404640C (en) * | 2006-06-09 | 2008-07-23 | 中国矿业大学(北京) | Modified spraying film materials containing soil and hydrophobic ingredient for grass planting and process for preparing same |
| CN101735420B (en) * | 2008-11-20 | 2013-12-04 | 中国农业科学院农业环境与可持续发展研究所 | Preparation method and application method of biomass liquid agricultural membrane material |
| CN105155509B (en) * | 2014-06-13 | 2017-06-13 | 中国石油化工集团公司 | A kind of method checked winds and fixed drifting sand |
| CN105191709A (en) * | 2014-06-13 | 2015-12-30 | 中国石油化工集团公司 | Environment-friendly mulching film and preparation method thereof |
| CN105191712A (en) * | 2015-10-12 | 2015-12-30 | 石河子大学 | Using method for liquid mulching film in cotton drip irrigation process |
| CN105669312B (en) * | 2016-01-25 | 2019-05-24 | 湖北汇荣盛商贸有限公司 | A kind of black liquid state fertilizer mulch and preparation method thereof |
| CN106947157B (en) * | 2017-02-27 | 2019-04-30 | 河海大学 | A kind of degradable nano water conservation mulch and preparation method thereof |
| CN113429241B (en) * | 2021-06-25 | 2023-05-09 | 李明 | Preparation method of sodium sulfonate/potassium sulfonate-based fertilizer |
| CN114989833B (en) * | 2022-06-30 | 2024-03-22 | 润涵(山东)生态科技有限公司 | Ecological environment-friendly functional sand-fixing agent and sand-fixing method |
-
2001
- 2001-10-30 CN CN 01133379 patent/CN1219020C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419365A (en) * | 2016-01-25 | 2016-03-23 | 陈一坚 | Black liquid mulching film and preparation method thereof |
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| CN1415698A (en) | 2003-05-07 |
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