CN107400264A - A kind of chitin biological liquid solid degradable mulch and preparation method thereof - Google Patents
A kind of chitin biological liquid solid degradable mulch and preparation method thereof Download PDFInfo
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- CN107400264A CN107400264A CN201710788946.2A CN201710788946A CN107400264A CN 107400264 A CN107400264 A CN 107400264A CN 201710788946 A CN201710788946 A CN 201710788946A CN 107400264 A CN107400264 A CN 107400264A
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- agitator tank
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Soil Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of chitin biological liquid solid degradable mulch and preparation method thereof, this method includes launching chitin glycan first into constant volume thinning tank, adds 40~45 degree of nanofiltration water, agitator tank is poured into after certain time；Start the agitating function of the agitator tank, during which add glacial acetic acid solution while stirring；Stirring certain time, injection ethanol continued to stir in the agitator tank backward；Stirring certain time, injection glyceryl alcohol continued to close the agitating function and standing of the agitator tank after stirring is stirred in the agitator tank backward.The chitin that the application provides uses marine organisms shrimp and crab shells extract, belongs to the pure chitin raw material of biological source one.Covered with Sprayable, to be covered with native table male and fomale(M＆F) without space.Solid covering wind resistance, avoids plant pocket film side from wearing rice shoot stem foot.It is tasteless, it is contemplated that to decompose.Turn into the invisible immune substance of soil after degraded, extend with Cultivation time, and the immune substance (chitinase) accumulated is more.Favourable continuous cropping continuous crop for many years.
Description
Technical field
It is degradable more particularly to a kind of chitin biological liquid solid the present invention relates to agricultural production equipment technical field
Mulch film and preparation method thereof.
Background technology
Mulch film is covered ground film, typically transparent or black PE films, also has green, silver thin film, is covered for ground
Lid, to improve the soil moisture, soil moisture is kept, soil texture is maintained, prevents pest attacks crop and certain micro-organisms from causing
Disease etc., promote the function of plant growth.Agricultural mulching once serves decisive role for the high yield good harvest of agricultural production.
Passage is delayed with the application time limit, in order to overcome the obstacle of cultivation condition simultaneously, also brings many negative issues.It is conventional
Chemical ethene mulch film causes to isolate to soil plough horizon, though the residual fragment thing of the mulch film after first crop crop or plant harvest turns over through topsoil
Plough, still residue in the cm range of topsoil 30 and cause to isolate without positioning, crop root smoothly lower can not be pricked, and cause rice shoot can not be complete
It is lower to prick development.To Soil Micro-environment gaseous contamination, be difficult to degrade in soil mainly due to ethene mulch film, but high temperature,
The ethylene gas volatilization being had by oneself under super-humid conditions, accumulates through applying for many years, is adsorbed by soil, crop root is facilitated ahead of time
Keratin aging, retraction fertility picking time, directly affect the whole strain development of crop and economic flow rate.Crop stem foot is injured, mulch film
Pocket position, edge (in Open air product) mulch film through alternating temperature institute it is loose, it is pneumatic.Rice shoot basal part of stem abrasion broken skin is given, and to invading
Catch an illness evil.The covering phase, outer cost was high, in view of ethene mulch film forms pollution threat to agricultural production, soil white pollution causes disaster, made
Into《Clean production method》It is difficult to implement.
The content of the invention
The invention provides a kind of chitin biological liquid solid degradable mulch and preparation method thereof.
The invention provides following scheme：
A kind of chitin biological liquid solid degradable mulch and preparation method thereof, including：
The chitin glycan of 3-3.5 parts by weight is launched first into constant volume thinning tank, adds 40~45 degree of 90-95 parts by weight
Nanofiltration water, 4-6 pours into agitator tank after minute；
The agitating function for starting the agitator tank stirs 5-8 minutes with 1500 revs/min of rotating speeds, during which adds while stirring
The glacial acetic acid solution of 2-3 parts by weight；Stirring 3-5 minutes, the ethanol of injection 3-3.5 parts by weight continued to stir in the agitator tank backward
Mix 1 minute；The glyceryl alcohol of injection 2-3 parts by weight continues stirring 1 minute in the backward agitator tank；
Stirring closes the agitating function of the agitator tank and stands 15 minutes after 1 minute；Temperature is down to 10-15 degrees Celsius；
Material after standing in the agitator tank is transferred in perforated wall centrifuge filtered both the mulch film.
Preferably：The chitin glycan of 3 parts by weight is launched into constant volume thinning tank first, adds 40~45 degree of 95 parts by weight
Nanofiltration water, pour into agitator tank after 5 minutes.
Preferably：The agitating function for starting the agitator tank is stirred 6 minutes with 1500 revs/min of rotating speeds, during which side stirring
Side adds the glacial acetic acid solution of 3 parts by weight；The ethanol of 3.5 parts by weight of injection continues to stir in 3 minutes backward agitator tanks of stirring
Mix 1 minute；The glyceryl alcohol of 3 parts by weight of injection continues stirring 1 minute in the backward agitator tank.
Preferably：By the material constant volume barrelling by perforated wall centrifuge filtering.
A kind of chitin biological liquid solid degradable mulch prepared using methods described.
According to specific embodiment provided by the invention, the invention discloses following technique effect：
By the invention it is possible to a kind of chitin biological liquid solid degradable mulch and preparation method thereof is realized, one
Under kind implementation, this method includes launching the chitin glycan of 3-3.5 parts by weight first into constant volume thinning tank, adds 90-
The nanofiltration water of 95 40~45 degree of parts by weight, 4-6 pour into agitator tank after minute；Start the agitating function of the agitator tank with 1500
Rev/min rotating speed stirring 5-8 minutes, the glacial acetic acid solution of 2-3 parts by weight is during which added while stirring；It is backward to stir 3-5 minutes
The ethanol of injection 3-3.5 parts by weight continues stirring 1 minute in the agitator tank；Injection 2-3 parts by weight in the backward agitator tank
Glyceryl alcohol continue stirring 1 minute.Stirring closes the agitating function of the agitator tank and stands 15 minutes after 1 minute；Temperature drops
To 10-15 degrees Celsius.Material after standing in the agitator tank is transferred in perforated wall centrifuge filtered both it is described
Mulch film.The chitin that the application provides uses marine organisms shrimp and crab shells extract, belongs to pure biological source -- chitin raw material.With spraying
Form covers, to be covered with native table male and fomale(M＆F) without space.Solid covering wind resistance, avoids plant pocket film side from wearing rice shoot stem foot.
It is tasteless, it is contemplated that to decompose.Turn into the invisible immune substance of soil after degraded, extend with Cultivation time, and the immune substance (chitin accumulated
Matter enzyme) it is more.Favourable continuous cropping continuous crop for many years.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained, belongs to the scope of protection of the invention.
Embodiment
The preparation method of chitin biological liquid solid degradable mulch provided in an embodiment of the present invention, this method include head
The chitin glycan of 3-3.5 parts by weight is first launched into constant volume thinning tank, adds the nanofiltration water of 40~45 degree of 90-95 parts by weight,
4-6 pours into agitator tank after minute；Specifically, launching the chitin glycan of 3 parts by weight into constant volume thinning tank first, 95 weights are added
The nanofiltration water of 40~45 degree of part is measured, agitator tank is poured into after 5 minutes.The nanofiltration water that the application provides is nanometer technology and filtering technique
Cross slot interference and the new category between ultrafiltration and counter-infiltration developed, its separating property are depended in its active separating layer
Nano micropore structure.In drink water purifying processing, according to raw water quality and the difference of water purification requirement, there are a variety of dissimilarities
The nanofiltration of energy is available.Compared with other membrane separating process, an advantage of nanofiltration is to retain small point through milipore filter
The organic matter and divalent ion (including heavy metal) of son amount, the inorganic salts that and can dialysis counter-infiltration is retained.
The agitating function for starting the agitator tank stirs 5-8 minutes with 1500 revs/min of rotating speeds, during which adds while stirring
The glacial acetic acid solution of 2-3 parts by weight；Stirring 3-5 minutes, the ethanol of injection 3-3.5 parts by weight continued to stir in the agitator tank backward
Mix 1 minute；The glyceryl alcohol of injection 2-3 parts by weight continues stirring 1 minute in the backward agitator tank；Specifically, stirred described in starting
The agitating function for mixing tank is stirred 6 minutes with 1500 revs/min of rotating speeds, during which adds the glacial acetic acid solution of 3 parts by weight while stirring；
The ethanol of 3.5 parts by weight of injection continues stirring 1 minute in 3 minutes backward agitator tanks of stirring；Noted in the backward agitator tank
The glyceryl alcohol for entering 3 parts by weight continues stirring 1 minute；
Stirring closes the agitating function of the agitator tank and stands 15 minutes after 1 minute；Temperature is down to 10-15 degrees Celsius.
Material after standing in the agitator tank is transferred in perforated wall centrifuge filtered both the mulch film.Enter
One step, by the material constant volume barrelling by perforated wall centrifuge filtering.This method is simple to operate, and production efficiency is high.
A kind of chitin biological liquid solid degradable mulch prepared using methods described.
The principle for the preparation method that the application provides is to add water using chitin glycan, through certain temperature softening after mixing
Grain and water sorption, possess certain physical activity, dissolve to form polysaccharide long-chain colloid substances by glacial acetic acid, due to ethanol, glycerine
Alcohol stabilization, anti-degradation, maintain the polysaccharide chain stage for being sprayed onto earth's surface dehydration indeformable.The chitin biological liquid solid can
Degradative plastic film can maintain film function 60 days, degrade in soil particle thereafter, earth's surface noresidue.Saving of work and time, spray film is to cover
Three times effect of film.Promote and improve Soil Micro-environment, the chitin oligosaccharide in soil of degrading every year is to irritate soil plough horizon again
The main cause that middle beneficial microbe fauna expands.Crop can be completed, the chitin health-care of food ＞ plant ＞ soil ＞ fertilizer follows
Ring biological chain.Safeguard earth's surface, the ecological balance of underground, the agricultural production new period " double increasings " realized from immune angle, " it is double subtract ", warp
Ji fertilizer, high-quality, efficient ecological production model.
The chitin biological liquid solid degradative plastic film that the application provides has due to ecological degradable feature, non-volatility
Evil gas, applied to any plant, crop, has disease-resistant, pest-resistant, strong stress resistance, optimizes the ground atmospheric environment and natural ring
Border.Through spraying year after year, after ploughing soil, the chitin film quality degraded constantly is adsorbed by topsoil soils, and constantly quilt
Chitinase decomposes, and the relative amount for adding chitinase in soil again, degrades the gas being largely harmful to root system of plant
The obstruction factors such as body, water solubility, inhibition substrate of respiration, plant spent acid.Make soil reclaimed water, fertilizer, organic and inorganic substances relative
It is adjusted, to reduce physiological hazard to greatest extent, crops are kept compared with normal growth and development.After chitin film degraded, plough under
Soil, beneficial microbe can be promoted active, expanding beneficial microbe fauna, (Agricultural University Of Shenyang professor Sun Junde once does chitin
Glycan is tested microorganism Actinomycete population：Expand 30 times than ck) effect.Because the metabolin of beneficial microbe contains a variety of suppressions
Bacterium enzyme, hormone, digestive enzyme etc., the plant urea acid being metabolized to first crop crop root, play degradation, to lower stubble with plantation
Thing, crop remove inhibition toxin.Being allowed to can continuous cropping continuous crop for many years.And effectively, indirectly realize that agro-ecologyization can
Continue ecology production.Due to spraying covering for solid, relative to adhere to film forming, fixed native 2~3 millimeters of table, film liquid is to native table block shape
Body exposed part all standing, therefore moved in the absence of the physical vertical such as gas expansion between film forming position and native table blocks and contraction
State, therefore, resisting wind erosion are ideal.In addition, chitin mulch film is compared with chemical mulch film, and it is non-reflective, to soil and crops
Extinction heat absorption is beneficial.
The chitin that the application provides uses marine organisms shrimp and crab shells extract, belongs to pure biological source -- chitin raw material.With
Sprayable covers, to be covered with native table male and fomale(M＆F) without space.Solid covering wind resistance, avoids plant pocket film side from wearing rice shoot stem
Base.It is tasteless, it is contemplated that to decompose.Turn into the invisible immune substance of soil after degraded, extend with Cultivation time, and the immune substance accumulated
(chitinase) is more.Favourable continuous cropping continuous crop for many years.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (5)
1. a kind of chitin biological liquid solid degradable mulch preparation method, it is characterised in that methods described includes：
The chitin glycan of 3-3.5 parts by weight is launched first into constant volume thinning tank, adds receiving for 40~45 degree of 90-95 parts by weight
Drainage, 4-6 pour into agitator tank after minute；
The agitating function for starting the agitator tank stirs 5-8 minutes with 1500 revs/min of rotating speeds, during which adds 2-3 while stirring
The glacial acetic acid solution of parts by weight；Stirring 3-5 minutes, the ethanol of injection 3-3.5 parts by weight continued stirring 1 in the agitator tank backward
Minute；The glyceryl alcohol of injection 2-3 parts by weight continues stirring 1 minute in the backward agitator tank；
Stirring closes the agitating function of the agitator tank and stands 15 minutes after 1 minute；Temperature is down to 10-15 degrees Celsius；
Material after standing in the agitator tank is transferred in perforated wall centrifuge filtered both the mulch film.
2. according to the method for claim 1, it is characterised in that launch the crust of 3 parts by weight into constant volume thinning tank first
Plain glycan, the nanofiltration water of 40~45 degree of 95 parts by weight is added, agitator tank is poured into after 5 minutes.
3. according to the method for claim 1, it is characterised in that start the agitating function of the agitator tank with 1500 revs/min
Clock rotating speed stirs 6 minutes, during which adds the glacial acetic acid solution of 3 parts by weight while stirring；Stir in 3 minutes backward agitator tanks
The ethanol for injecting 3.5 parts by weight continues stirring 1 minute；The glyceryl alcohol of 3 parts by weight of injection continues stirring 1 in the backward agitator tank
Minute.
4. according to the method for claim 1, it is characterised in that fill the material constant volume by perforated wall centrifuge filtering
Bucket.
A kind of 5. chitin biological liquid solid degradable mulch prepared using Claims 1-4 any one methods described.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710788946.2A CN107400264A (en) | 2017-09-05 | 2017-09-05 | A kind of chitin biological liquid solid degradable mulch and preparation method thereof |
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| CN201710788946.2A CN107400264A (en) | 2017-09-05 | 2017-09-05 | A kind of chitin biological liquid solid degradable mulch and preparation method thereof |
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Cited By (8)
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| CN109305852A (en) * | 2018-10-25 | 2019-02-05 | 慕善斌 | A kind of chitosan biological liquid foliar nutrition protective film and preparation method thereof |
| CN109362438A (en) * | 2018-10-25 | 2019-02-22 | 慕善斌 | A kind of chitosan degradable biological fruit bagging film spray liquid and preparation method thereof |
| CN109362437A (en) * | 2018-10-25 | 2019-02-22 | 慕善斌 | A kind of chitin degradable biological fruit bagging film spray liquid and preparation method thereof |
| CN109456649A (en) * | 2018-10-25 | 2019-03-12 | 慕善斌 | A kind of chitin biological liquid foliar nutrition protective film and preparation method thereof |
| CN109456512A (en) * | 2018-10-25 | 2019-03-12 | 慕善斌 | A kind of chitosan degradable biological liquid solid mulch and preparation method thereof |
| CN110229364A (en) * | 2019-07-09 | 2019-09-13 | 张大庆 | A kind of chitin biological liquid degradable mulch and preparation method thereof |
| CN110256736A (en) * | 2019-07-09 | 2019-09-20 | 张大庆 | A kind of chitin biological liquid solid degradable mulch and preparation method thereof |
| CN114752305A (en) * | 2022-05-12 | 2022-07-15 | 河北嘉和生物科技有限公司 | Agricultural environment-friendly liquid mulching film containing chitosan and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305852A (en) * | 2018-10-25 | 2019-02-05 | 慕善斌 | A kind of chitosan biological liquid foliar nutrition protective film and preparation method thereof |
| CN109362438A (en) * | 2018-10-25 | 2019-02-22 | 慕善斌 | A kind of chitosan degradable biological fruit bagging film spray liquid and preparation method thereof |
| CN109362437A (en) * | 2018-10-25 | 2019-02-22 | 慕善斌 | A kind of chitin degradable biological fruit bagging film spray liquid and preparation method thereof |
| CN109456649A (en) * | 2018-10-25 | 2019-03-12 | 慕善斌 | A kind of chitin biological liquid foliar nutrition protective film and preparation method thereof |
| CN109456512A (en) * | 2018-10-25 | 2019-03-12 | 慕善斌 | A kind of chitosan degradable biological liquid solid mulch and preparation method thereof |
| CN110229364A (en) * | 2019-07-09 | 2019-09-13 | 张大庆 | A kind of chitin biological liquid degradable mulch and preparation method thereof |
| CN110256736A (en) * | 2019-07-09 | 2019-09-20 | 张大庆 | A kind of chitin biological liquid solid degradable mulch and preparation method thereof |
| CN114752305A (en) * | 2022-05-12 | 2022-07-15 | 河北嘉和生物科技有限公司 | Agricultural environment-friendly liquid mulching film containing chitosan and preparation method thereof |
| CN114752305B (en) * | 2022-05-12 | 2023-02-28 | 河北嘉和生物科技有限公司 | Agricultural environment-friendly liquid mulching film containing chitosan and preparation method thereof |
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