CN106748052A - A kind of drought-resistant water-preserving increasing agent and preparation method thereof - Google Patents
A kind of drought-resistant water-preserving increasing agent and preparation method thereof Download PDFInfo
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- CN106748052A CN106748052A CN201611109488.7A CN201611109488A CN106748052A CN 106748052 A CN106748052 A CN 106748052A CN 201611109488 A CN201611109488 A CN 201611109488A CN 106748052 A CN106748052 A CN 106748052A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/70—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting wettability, e.g. drying agents
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- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Fertilizers (AREA)
Abstract
A kind of drought-resistant water-preserving increasing agent and preparation method thereof, is related to agricultural water conservation field.A kind of preparation method of drought-resistant water-preserving increasing agent, it includes batch mixing step and reactions steps, batch mixing step：First raw material and water are stirred；Count by weight, the first raw material includes 0.001 0.1 parts of 5 35 parts of stalk, 8 45 parts of polyacrylic acid potassium, 5 35 parts of polyacrylamide and additive, additive is that mass ratio is 10 15:1 crosslinking agent and the mixture of initiator.Reactions steps：The 45min of heating using microwave 5 is carried out, heating using microwave power is 2000 3000W.Its preparation method is simple, and price is low, can prepare the measured drought-resistant water-preserving increasing agent of matter.A kind of drought-resistant water-preserving increasing agent, is prepared by above-mentioned preparation method.It can rapidly absorb and keep water, at the same can improve soil it is hardened with it is barren, and with promote plant growth and volume increase effect.
Description
Technical field
The present invention relates to a kind of agricultural water conservation field, and more particularly to a kind of drought-resistant water-preserving increasing agent and preparation method thereof.
Background technology
China is a large agricultural country, the water deficient and nutrient dificiency of crops be limit grain-production it is important because
Element.Especially in arid, semiarid zone, moisture is very deficient, and the utilization rate for improving water is the pass of plant growth or even volume increase
Key.Further, since for non-arid area, it is irrational to herd and open up wasteland, also cause soil desertification, easily drought easily heat, leak leakage
Fertile, barren hardened, water-retaining property is very poor.Soil is less susceptible to water conservation, and during fertilising, the nutrition composition in fertilizer is got over and had little time by plant
Absorb and be permeated with underground.How to improve drought resisting, improve utilization rate of fertilizer, be all unusual concern both at home and abroad.
The content of the invention
It is an object of the invention to provide a kind of preparation method of drought-resistant water-preserving increasing agent, its preparation method is simple, price
It is low, the measured drought-resistant water-preserving increasing agent of matter can be prepared.
Another object of the present invention is to provide a kind of drought-resistant water-preserving increasing agent, the drought-resistant water-preserving increasing agent can be inhaled rapidly
Receive and keep water, it is to avoid moisture evaporation permeates the ground and causes plant hydropenia, at the same can improve soil it is hardened with it is poor
It is lean, and with the effect for promoting plant growth and increase production.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of preparation method of drought-resistant water-preserving increasing agent, and its raw material includes the first raw material and water, preparation side
Method is comprised the following steps：
Batch mixing step：First raw material and water are stirred；Count by weight, the first raw material include stalk 5-35 parts,
Polyacrylic acid potassium 8-45 parts, polyacrylamide 5-35 parts and additive 0.001-0.1 parts, additive is that mass ratio is 10-15:1
Crosslinking agent and initiator mixture.
Reactions steps：Heating using microwave 5-45min is carried out, heating using microwave power is 2000-3000W.
The present invention proposes a kind of drought-resistant water-preserving increasing agent, and it is prepared into by the preparation method of above-mentioned drought-resistant water-preserving increasing agent
Arrive.
A kind of beneficial effect of drought-resistant water-preserving increasing agent of the embodiment of the present invention and preparation method thereof is：Aforementioned proportion it is poly-
Potassium acrylate, polyacrylamide and crosslinking agent, initiator and water are blended in microwave power to occur in the presence of 2000-3000W
Graft copolymerization forms molecule cross-link network structure, and microwave heating time is 5-45min, it is ensured that graft copolymerization can fill
Carry out with dividing, while the suitable degree of cross linking can be reached.When hydrone is in contact with polymer mesh chain, the carboxylic that its molecule contains
The strongly hydrophilic such as base, hydroxyl and amide groups functional group is produced by electrolyte ion concentration difference on the outside of tridimensional network and intramolecular
Raw osmotic pressure, produces association memory action, it is ensured that the water-absorbing-retaining performance of product to hydrone.Stalk on the one hand have compared with
Strongly hydrophilic and adsorptivity, by increasing capacitance it is possible to increase the water-absorbing-retaining performance of product, on the other hand its can be crops provide enrich
The nutrients such as nitrogen, phosphorus, potassium, calcium.Heating is carried out with microwave can be for graft copolymerization provides enough energy, and what is prepared is anti-
Non-irrigated water conservation increasing agent better quality, and microwave heating is simple to operate, low cost.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below will be in the embodiment of the present invention
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional product that can be obtained by commercially available purchase
Product.
Drought-resistant water-preserving increasing agent of the embodiment of the present invention and preparation method thereof is specifically described below.
The present invention proposes a kind of preparation method of drought-resistant water-preserving increasing agent, and it includes batch mixing step and reactions steps.Mainly
Formed using microwave reaction process combining after by the way that raw material is mixed.
Further, the raw material of drought-resistant water-preserving increasing agent includes the first raw material and water, and batch mixing step includes：By the first raw material
Stirred with water.Wherein, count by weight, the first raw material includes：Stalk 5-35 parts, polyacrylic acid potassium 8-45 parts, poly- third
Acrylamide 5-35 parts and additive 0.001-0.1 parts, additive is that mass ratio is 10-15:The mixing of 1 crosslinking agent and initiator
Thing.
Polyacrylic acid potassium, English entitled Potassium polyacrylate, No. CAS is 25608-12-2.
Polyacrylamide, English entitled Poly acrylamide, English abbreviation is PAM.Polyacrylamide is by acryloyl
Amine monomers, with good flocculability, can be reduced through the water-soluble linear high molecular polymer of free radical polymerization
Frictional resistance between liquid.Under certain low concentration, polyacrylamide solution can be considered network structure, and chain room machine is twined
Knot and hydrogen bond are collectively forming Mesh nodes.When concentration is higher, because solution contains many chains-chain contact point so that PAM solution is in
Gel.The PAM aqueous solution has good compatibility with the organic matter that many energy and water dissolve each other, and has compatible well to electrolyte
Property.
Stalk, is the general name of ripe crops cauline leaf (fringe) part.In embodiments of the invention, stalk can be big beanstalk
Stalk, maize straw, wheat stalk or rice straw etc..The photosynthetic product of crops has more than half to be present in stalk
In, stalk is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter, and used as the raw material of water-loss reducer, it can provide abundant supporting for crops
Point, promote plant growth.And containing abundant lignin, cellulose in stalk, cellulosic molecule is contained within substantial amounts of hydrophily
Hydroxyl, and it is porous, specific surface area is big, therefore with compared with strongly hydrophilic and adsorptivity, if while can also be obtained by chemical modification
The stronger derivative of hydrophily.Its derivative can be with swelling and form sticky swelling solution in water, and the swelling solution can be realized
To other raw material suspendings, other raw materials can be made uniformly and stably to disperse in aqueous.Simultaneously because its derivative is intrinsic
Suction-operated, can be wrapped in wherein, micro- coating or microenvironment of high adsorption capacity be formed, so as to ensure that nutrition is difficult
It is lost in, slowly to the purpose that nutrient is discharged in soil.And stalk can improve the salt tolerance of plant.And the straw of suitable particle size
Stalk can promote polyacrylamide and polyacrylic acid potassium graft copolymerization so that the cross-linked network degree of copolymer is in a conjunction
Suitable scope, the ability that water absorption rate higher can be kept to improve its water conservation again.On the other hand, stalk is meticulous can be added to
This.It is preferred that the granularity of stalk is 100-400 mesh.
Crosslinking agent, is that one kind can be in intermolecular bridging action of line style, so that multiple linear molecules are mutually bonded crosslinking
The material of structure is reticulated, promotes or reconcile the material that polymer molecule interchain covalent bond or ionic bond are formed.
Further, crosslinking agent is N-N methylene-bisacrylamides.
N-N methylene-bisacrylamides, English entitled Methylene-Bis-Acrylamide, No. CAS is 110-26-9.
Initiator, refers to easily by the compound of free radical (i.e. primary group of free radicals) is thermally decomposed into, and can be used to triggering alkenes, double
The radical polymerization of vinyl monomer and copolymerization, it can also be used to which the crosslinking curing and high molecular crosslink of unsaturated polyester (UP) are anti-
Should.
Further, initiator is dodecyl sodium sulfonate ammonium, ammonium persulfate or ammonium ceric nitrate.
Dodecyl sodium sulfonate ammonium, English entitled Sodium Dodecyl Sulfonate, No. CAS is 2386-53-0.And ten
Dialkyl group ichthyodin can improve penetrating power of the water in soil.
Ammonium persulfate, English entitled Ammonium persulphate, English abbreviation is APS, and No. CAS is 7727-54-0,
It is white crystals or powder.
Ammonium ceric nitrate, English entitled Ceric ammonium nitrate, No. CAS is 16774-21-3, is salmon pink
Granular crystal.
The polyacrylic acid potassium of aforementioned proportion, polyacrylamide and crosslinking agent, initiator and water are blended in microwave heating condition
Under can occur graft copolymerization formed molecule cross-link network structure, when hydrone is in contact with polymer mesh chain, its
The strongly hydrophilic such as carboxyl, hydroxyl and amide groups that molecule contains functional group is by electrolyte on the outside of tridimensional network and intramolecular
The osmotic pressure that ion concentration difference is produced, produces association memory action, it is ensured that the water-absorbing-retaining performance of product to hydrone.In soil
In earth rainwater or watering pours water can be absorbed and kept rapidly, it is to avoid moisture evaporation permeates the ground and causes plant hydropenia.
And the final catabolite of the polymer of graft copolymerization is ammonia, carbon dioxide, water and potassium ion, and environment is not polluted, these
The nutriment for slowly releasing can also provide nutrition for plant, with the effect for promoting plant growth and volume increase.Stalk one
Aspect has compared with strongly hydrophilic and adsorptivity, by increasing capacitance it is possible to increase the water-absorbing-retaining performance of product, and on the other hand it can be crops
The nutrients such as abundant nitrogen, phosphorus, potassium, calcium are provided.
Preferably, count by weight, the first raw material includes：Stalk 5-30 parts, polyacrylic acid potassium 10-40 parts, polypropylene
Acid amides 6-30 parts and additive 0.005-0.05 parts.
Further, the mass ratio of water and stalk is 2-3:1.
Add water it is many I haven't seen you for ages influence raw material concentration, and then influence graft copolymerization reaction rate.It is therefore preferable that
Ground, water is 2-3 with the mass ratio of stalk:1.
Further, count by weight, the first raw material also includes dolomite dust 2-15 parts, plant ash 3-25 parts.
Dolomite dust, English entitled Dolomite, No. CAS is 7000-29-5, is white or shallow white powder, is carbonic acid
The natural double salt of calcium and magnesium carbonate.Calcium ion and magnesium ion contained by it can provide the nutrition of abundance for plant, promote plant
Growth, and the salt tolerance of plant can be improved.And on the other hand, the granularity of dolomite dust is excessively thick, then graft copolymerization can be influenceed
Course of reaction and cause the intensity of drought-resistant water-preserving increasing agent network structure to decline, and cross detailed rules and regulations it is relatively costly.It is therefore preferred that
The granularity of dolomite dust is 500-700 mesh.
Plant ash, is the residue after burning plants.Because plant ash is the ashes after burning plants, so containing plant sheet
All of mineral element contained by body, it can provide abundant nutrition, promote plant growth for crops.And on the other hand,
The granularity of plant ash is excessively thick, then can influence the course of reaction of graft copolymerization and cause the intensity of drought-resistant water-preserving increasing agent network structure
Decline, and it is relatively costly to cross detailed rules and regulations.It is therefore preferred that the granularity of plant ash is 100-200 mesh.
Further, raw material also includes the second raw material, counts by weight, and the second raw material includes urea 3-25 parts, batch mixing
Step also includes the step of adding the second raw material after the first raw material and water stir.
Urea, also known as phosphoamide, the organic compound being made up of carbon, nitrogen, oxygen, hydrogen is a kind of white crystal.In urea
Contain abundant nitrogen, it is adaptable to various soil and plant.And sufficient nitrogen can be provided for plant, promote plant
Growth.On the other hand, urea can neutralize partially acidic material in alkalescence, and polyacrylic acid potassium is with polyacrylamide in crosslinking agent
Dry neutralization can occur with urea with carboxyl remaining after generation graft copolymerization in the presence of initiator to react, so as to promote
Carry out graft copolymerization.
Reactions steps, reactions steps are carried out after batch mixing step：Heating using microwave 5-45min is carried out, heating using microwave power is
2000-3000W。
Heated with microwave, on the one hand can be provided enough energy for graft copolymerization, on the other hand, in microwave
To there is graft copolymerization in the presence of 2000-3000W, microwave heating time is 5-45min to power, it is ensured that graft copolymerization
Reaction can be sufficiently carried out, while the suitable degree of cross linking can be reached.And microwave heating is simple to operate, low cost.
Heating using microwave power is too low, it is impossible to the energy of abundance is provided for graft copolymerization；Heating using microwave power is too high, and one
Aspect causes that reaction rate is too fast, there is certain safety problem, and on the other hand, the too high meeting of heating power causes crosslinking points mistake
Many, product may finally become agglutination, then the water suction of product, water retention property can all be deteriorated.Microwave heating time is too short, grafting
Copolyreaction is insufficient；Overlong time, can equally cause that crosslinking points are excessive, and water suction, the water retention property of product can all be deteriorated.Cause
This, it is preferable that heating using microwave power is 2300-2800W, and microwave heating time is 13min-35min.
Reaction unit is rotated while heating using microwave, and stirring can be played a part of during rotation, enables to each raw material
Between be fully contacted, dispersion evenly, the drought-resistant water-preserving increasing agent better quality for preparing.Preferably, heating using microwave is same
Shi Jinhang reaction units are rotated or raw material are stirred.
Feature of the invention and performance are described in further detail with reference to embodiments.
Embodiment 1
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 10kg that granularity is 120 mesh,
Polyacrylic acid potassium 36kg, polyacrylamide 24kg, the dolomite dust 7kg that granularity is 500 mesh, the plant ash that granularity is 200 mesh
(mass ratio of N-N methylene-bisacrylamides and dodecyl sodium sulfonate ammonium is 10 for 10kg, additive 0.004kg:1) with 22kg's
Water mixing and stirring, adds urea 13kg after 10 minutes, carry out heating using microwave 16 minutes, and heating using microwave power is 2200W, most
Take out afterwards and dry to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 2
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 20kg that granularity is 200 mesh,
Polyacrylic acid potassium 30kg, polyacrylamide 20kg, the dolomite dust 10kg that granularity is 600 mesh, the plant ash that granularity is 100 mesh
(mass ratio of N-N methylene-bisacrylamides and ammonium persulfate is 12 for 10kg, additive 0.006kg:1) mix with the water of 22kg
Stir, urea 10kg is added after 10 minutes, carry out heating using microwave 10 minutes, heating using microwave power is 3000W, is finally taken out
Dry to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 3
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 30kg that granularity is 300 mesh,
Polyacrylic acid potassium 38kg, polyacrylamide 12kg, the dolomite dust 2kg that granularity is 700 mesh, the plant ash 8kg that granularity is 120 mesh
(mass ratio of N-N methylene-bisacrylamides and ammonium ceric nitrate is 15 with additive 0.008kg:1) mix with the water of 80kg and stir
Mix uniform, urea 10kg is added after 10 minutes, carry out heating using microwave 19 minutes, heating using microwave power is 2600W, finally take out and dry
Do to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 4
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 22kg that granularity is 400 mesh,
Polyacrylic acid potassium 18kg, polyacrylamide 25kg, the dolomite dust 15kg that granularity is 540 mesh, the plant ash that granularity is 140 mesh
(mass ratio of N-N methylene-bisacrylamides and dodecyl sodium sulfonate ammonium is 13 for 9kg and additive 0.01kg:1) with 50kg's
Water mixing and stirring, adds urea 11kg after 10 minutes, carry out heating using microwave 13 minutes, and heating using microwave power is 2800W, most
Take out afterwards and dry to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 5
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 5kg that granularity is 150 mesh, poly-
Potassium acrylate 8kg, polyacrylamide 5kg, the dolomite dust 3kg that granularity is 650 mesh, the plant ash 3kg that granularity is 150 mesh and add
Plus agent 0.001kg (mass ratio of N-N methylene-bisacrylamides and ammonium ceric nitrate be 14:1) mixed with the water of 10kg equal
It is even, urea 5kg is added after 5 minutes, carry out heating using microwave 45 minutes, heating using microwave power is 2000W, finally takes out and dries and must resist
Non-irrigated water conservation increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 6
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 25kg that granularity is 270 mesh,
Polyacrylic acid potassium 40kg, polyacrylamide 30kg, the dolomite dust 12kg that granularity is 600 mesh, the plant ash that granularity is 160 mesh
(mass ratio of N-N methylene-bisacrylamides and dodecyl sodium sulfonate ammonium is 12 for 20kg and additive 0.05kg:1) with 60kg's
Water mixing and stirring, adds urea 18kg after 15 minutes, carry out heating using microwave 30 minutes, and heating using microwave power is 2400W, most
Take out afterwards and dry to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 7
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By the stalk that upper granularity is 325 mesh
35kg, polyacrylic acid potassium 45kg, polyacrylamide 35kg, the dolomite dust 15kg that granularity is 650 mesh, the grass that granularity is 175 mesh
(mass ratio of N-N methylene-bisacrylamides and ammonium persulfate is 15 for wood ash 25kg and additive 0.1kg:1) with the water of 80kg
Mixing and stirring, adds urea 25kg after 20 minutes, carry out heating using microwave 35 minutes, and heating using microwave power is 2300W, finally
Drought-resistant water-preserving increasing agent is dried to obtain in taking-up.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 8
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 15kg that granularity is 240 mesh,
Polyacrylic acid potassium 10kg, polyacrylamide 6kg, the dolomite dust 5kg that granularity is 540 mesh, the plant ash that granularity is 180 mesh
(mass ratio of N-N methylene-bisacrylamides and dodecyl sodium sulfonate ammonium is 13 for 15kg and additive 0.005kg:And 45kg 1)
Water mixing and stirring, after 18 minutes add urea 20kg, carry out heating using microwave 45 minutes, heating using microwave power be 2500W,
Finally take out and dry to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 9
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 18kg that granularity is 175 mesh,
Polyacrylic acid potassium 25kg, polyacrylamide 18kg, the dolomite dust 8kg that granularity is 600 mesh, the plant ash 5kg that granularity is 170 mesh
(mass ratio of N-N methylene-bisacrylamides and dodecyl sodium sulfonate ammonium is 10 with additive 0.08kg:1) water with 22kg is mixed
Conjunction is stirred, and urea 3kg is added after 12 minutes, carries out heating using microwave 5 minutes, and heating using microwave power is 3000W, is finally taken out
Dry to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Embodiment 10
A kind of preparation method of drought-resistant water-preserving increasing agent, it is comprised the following steps：By stalk 26kg that granularity is 200 mesh,
Polyacrylic acid potassium 15kg, polyacrylamide 10kg and additive 0.03kg (N-N methylene-bisacrylamides and dodecyl sodium sulfonate
The mass ratio of ammonium is 10:1) with the water mixing and stirring of 55kg, heating using microwave is carried out 20 minutes, heating using microwave power is
2700W, finally takes out and dries to obtain drought-resistant water-preserving increasing agent.
A kind of drought-resistant water-preserving increasing agent, it is obtained by above-mentioned preparation method.
Comparative example 1
The raw material components of water-loss reducer are：5 parts of high hydroscopic resin, 15 parts of zeolite powder, 15 parts of compound additive, wherein compound add
Plus agent presses 1.5 by bentonite and attapulgite:1 mass ratio is mixed.
The preparation method of water-loss reducer is comprised the following steps：Raw material is crushed respectively, 80 mesh sieves are crossed, zeolite is taken by weight
Powder, compound additive, high hydroscopic resin are mixed, and adding water makes the water content of mixed material be 10%, through feeding screw transmit into
Enter between surface in flaking machine is uniformly distributed two pressure rollers of half oblate arc groove and compress, after coming off can formation strip water conservation
Agent.
Comparative example 2
The raw material of water-loss reducer be 30 parts of diatomite, 15 parts of talcum, 100 parts of acrylamide, 15 parts of acrylic acid, 50 parts of starch,
7 parts of 4 parts of initiator, 0.7 part of crosslinking agent, 7 parts of NPE and petroleum ether.
The preparation method of water-loss reducer is comprised the following steps：Starch is added in the distilled water of double weight first, then
It is gelatinized 1 hour under the conditions of 90 DEG C, obtains gelatinized starch.By acrylamide, acrylic acid, NPE and petroleum ether
Mix, obtain the first mixture.Using diatomite, as the N hydroxymethyl acrylamide of crosslinking agent and as initiator
Ammonium persulfate and talcum mix, and obtain the second mixture.First mixture is added in gelatinized starch and stirred, is obtained
To the 3rd mixture.Second mixture is added in the 3rd mixture, with 300RPM (rev/min) speed under the conditions of 60 DEG C
Stirring 2 hours, so that mixed slurry graft copolymerization forms copolymerization product.Copolymerization product is poured into tetrafluoroethene plate, will be contained
The tetrafluoroethene plate for having copolymerization product is dried 6 hours under the conditions of 80 DEG C, obtains water-loss reducer.
Test example 1
Water absorption rate is determined：Each 1g of sample prepared in Example 1-10 and comparative example 1,2 is placed in gauze belt, is placed in certainly
Come in the aqueous solution, sample is fully contacted with deionized water, room temperature is placed 24 hours, water suction filtering to anhydrous the dripping of 30s is defined.
After filtering, claim the weight after sample water suction.Above procedure is repeated 3 times, and finally seeks its average value.
Determine formula：Q=[(W1-W0)/W0] * 100%
Wherein Q is water absorption rate, W1It is the quality after sample water suction, W0It is the quality before sample water suction.By embodiment 1-10 and
The water absorption rate of comparative example 1-2 is recorded in table 1.
Test example 2
Water retention property：12 parts of the soil that 50g is fully dried is weighed, respectively with the embodiment 1-10 and sample 1g of comparative example 1,2
It is well mixed, then the distilled water for being separately added into 30mL；Then will allow its natural evaporation in native holding chamber, its weight is claimed after 72h.
Determine formula：G=m1-m2
Wherein, G is the evaporation capacity of water, m1For soil absorbs the weight after distilled water, m2It is the natural evaporation 72h for finally carrying out
Native weight afterwards.The evaporation capacity of embodiment 1-10 and the water of comparative example 1-2 is recorded in table 1.
Test example 3
Experiment kind：Corn
Experiment place：Zhangye City, Gansu Province Minyue County Guzhen forever
Test situation：13 growing areas will be divided into for examination soil, the soil regime of each growing area is consistent.At each
Area's maize planting, density is 0.8 × 0.5m.It is to be prepared using embodiment 1-10 respectively in the growing area of 1-9 in numbering
Drought-resistant water-preserving increasing agent, uses the water-loss reducer of comparative example 1 and comparative example 2 respectively in the growing area that numbering is 11 and 12, its use
Amount all same.Any water-loss reducer is not used in the growing area that numbering is 13.The growing area others field management of numbering 1-13 is equal
Equally.By the growing state record of corn in table 2.
The sample water absorption rate and water retention of the embodiment 1-10 of table 1 and comparative example 1-2
As can be seen from Table 1, the water absorption rate of drought-resistant water-preserving increasing agent and the evaporation capacity of water of embodiment 1-10 are superior to right
The scheme of ratio 1 and comparative example 2, illustrates the water absorbing properties and water retention property of the sample of embodiment 1-9 than comparative example 1,2
Sample is good.To further illustrate the drought-resistant water-preserving increasing agent can rapidly absorb and keep water, it is to avoid moisture evaporation or infiltration
Underground and cause plant hydropenia, while the hardened of soil can be improved.And the water absorption rate of the drought-resistant water-preserving increasing agent of embodiment 1-10
All between 300-500 times, its water retention property preferably, and will not rob water with plant, and drought-resistant water-preserving increasing agent effect is good, quality
It is excellent.
Corn growth situation in the planting site of the numbering 1-13 of table 2
As can be seen from Table 2, the corn survival rate of the planting site of numbering 1-10 is above the jade of the planting site of numbering 11-12
Rice survival rate, 30 days corn average production plant heights of the planting site of numbering 1-10 are also better than the corn of numbering 11-12 planting sites.
The nutrition provided plant growth so as to the drought-resistant water-preserving increasing agent for illustrating embodiment 1-9 is than the water conservation of comparative example 1,2
It is nutritious that agent is provided, and is more suitable for the growth of corn.By the corn survival rate for contrasting numbering 1-9 and the planting site of numbering 10
It is high with growth, it can be seen that the corn growth situation of numbering 1-9 planting sites is better than the corn of the planting site of numbering 10, explanation
The scheme that dolomite dust, plant ash and urea are with the addition of in embodiment 1-9 can provide more nutrition for plant, more favorably
In the growth of corn.By the corn growth situation in the planting site for contrasting numbering 1-10 and numbering 13, numbering is the kind of 1-10
Plant corn survival rate and 30 days average production plant heights in ground and be superior to number be 13 planting site corn, this illustrates embodiment
The drought-resistant water-preserving increasing agent of 1-10 provides the nutrition of abundance for the growth of corn, is conducive to the growth of corn.
In sum, drought-resistant water-preserving increasing agent of the embodiment of the present invention and preparation method thereof：The polyacrylic acid of aforementioned proportion
Potassium, polyacrylamide and crosslinking agent, initiator and water are blended in microwave power to there is grafting in the presence of 2000-3000W altogether
Poly- reaction forms molecule cross-link network structure, and microwave heating time is 5-45min, it is ensured that graft copolymerization can fully enter
OK, while the suitable degree of cross linking can be reached.When hydrone is in contact with polymer mesh chain, carboxyl, hydroxyl that its molecule contains
The strongly hydrophilic such as base and amide groups functional group is produced by electrolyte ion concentration difference on the outside of tridimensional network and intramolecular
Osmotic pressure, produces association memory action, it is ensured that the water-absorbing-retaining performance of product to hydrone.On the one hand stalk has relatively strong parent
Aqueous and adsorptivity, by increasing capacitance it is possible to increase the water-absorbing-retaining performance of product, on the other hand its can be crops provide enrich nitrogen,
The nutrients such as phosphorus, potassium, calcium.Heating is carried out with microwave can be for graft copolymerization provides enough energy, the drought resisting for preparing
Water conservation increasing agent better quality, and microwave heating is simple to operate, low cost.
Embodiments described above is a part of embodiment of the invention, rather than whole embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of preparation method of drought-resistant water-preserving increasing agent, it is characterised in that the raw material of the drought-resistant water-preserving increasing agent includes the
One raw material and water, the preparation method are comprised the following steps：
Batch mixing step：First raw material and the water are stirred；Count by weight, first raw material includes stalk
5-35 parts, polyacrylic acid potassium 8-45 parts, polyacrylamide 5-35 parts and additive 0.001-0.1 parts, the additive is quality
Than being 10-15:1 crosslinking agent and the mixture of initiator；
Reactions steps：Heating using microwave 5-45min is carried out, the heating using microwave power is 2000-3000W.
2. the preparation method of drought-resistant water-preserving increasing agent according to claim 1, it is characterised in that the water and the stalk
Mass ratio be 2-3:1.
3. the preparation method of drought-resistant water-preserving increasing agent according to claim 1, it is characterised in that the heating using microwave power
It is 2300-2800W, the microwave heating time is 13min-35min.
4. the preparation method of drought-resistant water-preserving increasing agent according to claim 1 and 2, it is characterised in that count by weight,
First raw material includes：Described stalk 5-30 parts, described polyacrylic acid potassium 10-40 parts, described polyacrylamide 6-30 parts and
Described additive 0.005-0.05 parts.
5. the preparation method of drought-resistant water-preserving increasing agent according to claim 4, it is characterised in that count by weight, institute
Stating the first raw material also includes dolomite dust 2-15 parts, plant ash 3-25 parts.
6. the preparation method of drought-resistant water-preserving increasing agent according to claim 4, it is characterised in that the raw material also includes the
Two raw materials, count by weight, and second raw material includes urea 3-25 parts, and the batch mixing step also includes former by described first
The step of material adds second raw material after being stirred with the water.
7. the preparation method of drought-resistant water-preserving increasing agent according to claim 1, it is characterised in that the crosslinking agent is N-N
Methylene-bisacrylamide.
8. the preparation method of drought-resistant water-preserving increasing agent according to claim 1, it is characterised in that the initiator is 12
Alkyl sulfonic acid ammonium, ammonium persulfate or ammonium ceric nitrate.
9. the preparation method of drought-resistant water-preserving increasing agent according to claim 1, it is characterised in that the granularity of the stalk is
100-400 mesh.
10. a kind of drought-resistant water-preserving increasing agent, it is characterised in that the drought-resistant water-preserving increasing agent is by any one of claim 1-9 institute
The preparation method of the drought-resistant water-preserving increasing agent stated is prepared.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109369260A (en) * | 2018-11-16 | 2019-02-22 | 东北大学 | Ecology water conservation saves fertilizer and promotes the plant growth substance preparation method of volume increase |
| CN109439332A (en) * | 2018-10-31 | 2019-03-08 | 曲靖促创科技有限公司 | A kind of anti-drought water-retaining agent and preparation method thereof |
| CN109762575A (en) * | 2019-03-13 | 2019-05-17 | 东北大学 | A kind of preparation method of environment protection type soil increasing agent |
| CN111285740A (en) * | 2020-03-26 | 2020-06-16 | 张蕾 | Special fertilizer for overcoming soil continuous cropping obstacle |
| CN112552925A (en) * | 2020-12-14 | 2021-03-26 | 北部湾海洋新材料研究院 | Drought-resistant water-retaining material for agriculture and forestry |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408740A (en) * | 2001-09-24 | 2003-04-09 | 中国科学院过程工程研究所 | Agriculturalw ater retaining meterial of straw protofiber grafted poly propenoic acid/salts |
| CN105694327A (en) * | 2016-02-23 | 2016-06-22 | 翟魏建 | Novel water-holding agent |
-
2016
- 2016-12-06 CN CN201611109488.7A patent/CN106748052A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408740A (en) * | 2001-09-24 | 2003-04-09 | 中国科学院过程工程研究所 | Agriculturalw ater retaining meterial of straw protofiber grafted poly propenoic acid/salts |
| CN105694327A (en) * | 2016-02-23 | 2016-06-22 | 翟魏建 | Novel water-holding agent |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439332A (en) * | 2018-10-31 | 2019-03-08 | 曲靖促创科技有限公司 | A kind of anti-drought water-retaining agent and preparation method thereof |
| CN109369260A (en) * | 2018-11-16 | 2019-02-22 | 东北大学 | Ecology water conservation saves fertilizer and promotes the plant growth substance preparation method of volume increase |
| CN109762575A (en) * | 2019-03-13 | 2019-05-17 | 东北大学 | A kind of preparation method of environment protection type soil increasing agent |
| CN111285740A (en) * | 2020-03-26 | 2020-06-16 | 张蕾 | Special fertilizer for overcoming soil continuous cropping obstacle |
| CN111285740B (en) * | 2020-03-26 | 2021-11-23 | 沈阳华清源农业发展有限公司 | Special fertilizer for overcoming soil continuous cropping obstacle |
| CN112552925A (en) * | 2020-12-14 | 2021-03-26 | 北部湾海洋新材料研究院 | Drought-resistant water-retaining material for agriculture and forestry |
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