CN109233861A - A kind of preparation method of macromolecular soil conditioner - Google Patents
A kind of preparation method of macromolecular soil conditioner Download PDFInfo
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- CN109233861A CN109233861A CN201811308005.5A CN201811308005A CN109233861A CN 109233861 A CN109233861 A CN 109233861A CN 201811308005 A CN201811308005 A CN 201811308005A CN 109233861 A CN109233861 A CN 109233861A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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Abstract
The present invention relates to agromelioration technical fields, and in particular to a kind of preparation method of macromolecular soil conditioner；The composition of the macromolecular soil conditioner are as follows: mass fraction is 40-60 parts of activated Calcium carbonate powder, 20-30 parts of potassium acrylate, 15-20 parts of styrene, the 2 of 6-8 parts, 4- second diene dimethyl ester, 3-5 parts of acid-base modifier, 10-20 parts of adjuvant, 3-5 parts of initiator, 4-6 parts of reducing agent, 100-200 parts of water, 60-80 parts of strong acid.The present invention passes through the network-like structure in activated Calcium carbonate powder surface formation macromolecular, activated Calcium carbonate is dissolved using strong acid, prepare hollow network-like macromolecular structure, after use, it can be soluble ion and heavy metal ion adsorbed, solid particle not soluble in water is formed, to reach the content for reducing salt and heavy metal in alkaline land soil, achievees the effect that improve soil.
Description
Technical field
The invention belongs to agromelioration technical fields, and in particular to a kind of preparation side of macromolecular soil conditioner
Method.
Background technique
In recent years, with the excessive use of the excessive development of China's animal husbandry and agriculture chemical, lead to China's soil environment
It is greatly destroyed, the problems such as salinization of soil and heavy metal pollution emerges one after another, and the salinization of soil of soil and heavy metal is tight
Exceeded, the serious Food Security for affecting China of weight, and the soil conditioner nowadays occurred, mostly can only be certain
Improve the fertility of soil in degree, and the heavy metal in soil cannot be removed and improve the fertility in salt-soda soil, it is impossible to meet people
Demand, can be good at because the invention is a kind of improve soil substance it is very important.
Chinese patent application CN108395331A discloses that the invention discloses the sides that a kind of cow dung prepares soil conditioner
Cow dung and ox urine are first separated, are then decomposed to the cellulose in cow dung by cellulose decomposition flora, decompose hair by method
Non-oxygen pyrolytic is carried out after cow dung solid residue drying after ferment, prepares biomass carbon；The product that cow dung carries out decomposing and fermenting is logical
Conventional yeast fermentation process production ethyl alcohol is crossed, the content of the monosaccharide in reaction solution is reduced and improves the kind of organic matter therein
Class；Reaction solution after yeast fermentation carries out hydro-thermal reaction, and generate has a large amount of poles with lower biodegradation rate again simultaneously
Property group high polymer, after hydro-thermal reaction product and fertilizer, specific high polymer powder are mixed and dried after mixing with biomass carbon
Obtain soil conditioner.The soil conditioner can be with enriching heavy metal ion, and can adjust soil fertility in a certain range.
The present invention also provides the system that a kind of cow dung prepares soil conditioner, it is opposite that the modifying agent of this method preparation can be used only in soil
On barren soil, it is unable to the improvement for salt-soda soil, the content of the water-soluble ion in salt-soda soil can not be improved.
Chinese patent application CN108383661A discloses more function that the invention discloses a kind of based on gangue for carrier
Energy soil conditioner and preparation method thereof, soil conditioner includes: parts by weight in gangue 55~80；15~40 weight of charcoal
Part；1~3 parts by weight of urea；1~3 parts by weight of ammonium sulfate；1~5 parts by weight of ground phosphate rock；3~10 parts by weight of quick lime；It is compound micro-
0.5~2 parts by weight of bacteria agent.The invention also discloses the preparation methods of above-mentioned soil conditioner.Soil provided by the invention
Modifying agent have water conservation, section fertilizer, increase soil fertility, improve soil permeability, provide plant growth necessary to microelement,
The features such as the heavy metal element in absorption and curing soil.Meanwhile soil conditioner of the present invention and preparation method thereof also has original
The advantages that material easily obtains, production process simple and environmentally-friendly safety and reclamation result is good, but it cannot remove the weight in soil
Metal and the fertility for improving salt-soda soil.
Summary of the invention
In view of the problems of the existing technology, the present invention has developed a kind of macromolecular soil conditioner and can be good at meeting
Demand of the market to soil conditioner.
In order to reach the purpose of the present invention, a kind of preparation method of macromolecular soil conditioner proposed by the present invention.
The present invention realizes by the following technical solutions:
A kind of preparation method of macromolecular soil conditioner, the following steps are included:
(1) a kind of composition of macromolecular soil conditioner include: mass fraction be 40-60 parts activated Calcium carbonate powder,
20-30 parts of potassium acrylate, 15-20 parts of styrene, 6-8 parts 2,4- second diene dimethyl ester, 3-5 parts of acid-base modifier,
10-20 parts of adjuvant, 3-5 parts of initiator, 4-6 parts of reducing agent, 100-200 parts of water, 60-80 parts of strong acid.
(2) a kind of preparation method of macromolecular soil conditioner: temperature of reaction kettle is controlled at 70-75 DEG C, by mass parts
Number is added in reaction kettle for 40-60 parts of activated Calcium carbonate powder and 100-200 parts of water, carries out high-speed stirred, blender
Revolving speed is 500-600rpm, and mixing time is 20-30 minutes, and agitator speed is controlled in 200-300rpm, then by 20-30
Potassium acrylate, 15-20 parts of the styrene, the 2 of 6-8 parts, 4- second diene dimethyl ester, 3-5 parts of acid-base modifier, 10-20 of part
The adjuvant of part, 3-5 parts of initiator are added in reaction kettle, after carrying out reaction 1-2 hours, by 4-6 parts of reducing agent with 2-3
The speed of second/drop be added drop-wise in reaction kettle, after carrying out reaction 3-4 hours, stops heating, after cooled to room temperature,
Under room temperature, 60-80 parts of strong acid is added into reaction kettle, after carrying out reaction 2-3 hours, takes out, is filtered, is filtered
Slag is dried after filter residue is carried out cleaning 2-3 with tap water, and drying temperature is 80-90 DEG C, the object obtained after drying
Matter is exactly macromolecular soil conditioner.
The substance used in above-mentioned steps the preparation method comprises the following steps:
(1) preparation of activated Calcium carbonate powder
The calcium carbonate superfine powder powder that mass fraction is 100-120 parts is added in reaction kettle, control temperature of reaction kettle is 50-
60 DEG C, 2-5 parts of polyester polyol, 1-2 parts of silane coupling agent, 2-3 parts of calcium stearate are then added into reaction kettle, opens
Blender is opened, agitator speed 200-300rpm after carrying out reaction 60-80 minutes, stops heating.It is cooled to room temperature, obtains
To white powder substance, which is exactly activated Calcium carbonate powder.
(2) preparation of acid-base modifier
Temperature of reaction kettle is controlled at 20-30 DEG C, is 10-20 parts of saleratus, 6-8 parts of carbonic acid by mass fraction
Reaction kettle is added in sodium, 2-5 parts of sodium dihydrogen phosphate, 4-6 parts of sodium tripolyphosphate, 4-5 parts of ammonium dihydrogen phosphate, 60-100 parts of water
In, after carrying out hybrid reaction 10-15 minutes, obtained substance is exactly acid-base modifier.
(3) preparation of adjuvant
By temperature of reaction kettle control at 60-70 DEG C, by mass fraction be 4-5 parts poly- trimethylolpropane-propylene glycol-oneself
The terpolymer of diacid, 4-5 parts of polyvinyl butyral, 2-3 parts of methoxy poly (ethylene glycol) amine, 4-6 parts of polyethylene
Alcohol cinnamate, 1-2 parts of MDI is added in reaction kettle, and after carrying out hybrid reaction 2-3 hours, obtained substance is exactly adjuvant.
(4) preparation of initiator
It is 5-6 parts of peroxidating monophosphate hydrogen potassium by mass fraction, 3-4 parts of peroxidating potassium acid sulfate, 1-2 parts of pair
Oxygen water, 6-10 parts of ammonium persulfate, 30-40 parts of distilled water are added to the mixer the substance obtained after mixing and are exactly
Initiator.
(5) preparation of reducing agent
It is 2-3 parts of hydrogen phosphite sodium, 1-2 parts of sodium nitrite, the addition mixing of 10-20 parts of distilled water by mass fraction
The substance obtained after mixing in machine is exactly reducing agent.
(6) preparation of strong acid
It is that 20-30 parts of concentrated hydrochloric acid and 10-15 parts of concentrated nitric acid mix by mass fraction, after mixing, is added
It is exactly heretofore described strong acid that 100-200 parts of distilled water, which is diluted to the strong acid solution that concentration is 10-20%,.
The present invention is by the way that the substances such as potassium acrylate, styrene, 2,4- second diene dimethyl ester, adjuvant are added, in activity
Calcium carbonate powder surface forms the network-like structure of macromolecular, is then dissolved activated Calcium carbonate using strong acid, to make
It is standby to make it after use at hollow network-like macromolecular structure, it can be soluble ion in salt-soda soil etc. and soil
It is heavy metal ion adsorbed in earth, solid particle not soluble in water is formed, so that reaching reduces salt and a huge sum of money in alkaline land soil
The content of category promotes water soluble salt in soil and content of beary metal back to normal, thus effectively increase soil fertility with
And content of beary metal, while it because having used potassium acrylate, soil conditioner also has certain Water-saving effect.
Specific embodiment
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, below in conjunction with experimental data, to this
The preferred embodiment of invention is described in detail, to facilitate the technical staff to understand.
Embodiment 1
A kind of preparation method of macromolecular soil conditioner, the following steps are included:
(1) a kind of composition of macromolecular soil conditioner are as follows: activated Calcium carbonate powder that mass fraction is 50 parts, 20 parts
Potassium acrylate, 20 parts of styrene, the 2 of 8 parts, 4- second diene dimethyl ester, 5 parts of acid-base modifier, 20 parts of adjuvant, 4 parts
Initiator, 6 parts of reducing agent, 150 parts of water, 60 parts of strong acid.
(2) a kind of macromolecular soil conditioner the preparation method comprises the following steps: by temperature of reaction kettle control at 70-75 DEG C, by quality
The activated Calcium carbonate powder and 150 parts of water that number is 50 parts are added in reaction kettle, carry out high-speed stirred, agitator speed is
500-600rpm, mixing time are 20-30 minutes, and agitator speed is controlled in 200-300rpm, is then by mass fraction
20 parts of potassium acrylate, 20 parts of styrene, the 2 of 8 parts, 4- second diene dimethyl ester, 5 parts of acid-base modifier, 20 parts of auxiliary
Agent, 4 parts initiator be added reaction kettle in, carry out reaction 1-2 hours after, by 6 parts of reducing agent with the speed of 2-3 seconds/drop into
Row is added drop-wise in reaction kettle, after carrying out reaction 3-4 hours, stops heating, after cooled to room temperature, at room temperature, to
60 parts of strong acid is added in reaction kettle, after carrying out reaction 2-3 hours, takes out, is filtered, obtains filter residue, by filter residue with originally
It after water carries out cleaning 2-3, is dried, drying temperature is 80-90 DEG C, and the substance obtained after drying is exactly macromolecular soil
Modifying agent.
The substance used in above-mentioned steps the preparation method comprises the following steps:
(1) preparation of activated Calcium carbonate powder
The calcium carbonate superfine powder powder that mass fraction is 120 parts is added in reaction kettle, control temperature of reaction kettle is 50-60
DEG C, then into reaction kettle be added mass fraction be 2 parts of polyester polyol, 2 parts of silane coupling agent, 3 parts of calcium stearate,
Turn on agitator, agitator speed 200-300rpm after carrying out reaction 60-80 minutes, stop heating.It is cooled to room temperature,
White powder substance is obtained, which is exactly activated Calcium carbonate powder.
(2) preparation of acid-base modifier
Temperature of reaction kettle is controlled at 20-30 DEG C, is 20 parts of saleratus, 8 parts of sodium carbonate, 5 parts by mass fraction
Sodium dihydrogen phosphate, 4 parts of sodium tripolyphosphate, 4 parts of ammonium dihydrogen phosphate, 100 parts water be added reaction kettle in, carry out hybrid reaction
After 10-15 minutes, obtained substance is exactly acid-base modifier.
(3) preparation of adjuvant
By temperature of reaction kettle control at 60-70 DEG C, by mass fraction be 5 parts poly- trimethylolpropane-propylene glycol-oneself two
Terpolymer, 4 parts of the polyvinyl butyral, 3 parts of methoxy poly (ethylene glycol) amine, 6 parts of polyvinyl alcohol cinnamic acid of acid
Ester, 1 part of MDI are added in reaction kettle, and after carrying out hybrid reaction 2-3 hours, obtained substance is exactly adjuvant.
(4) preparation of initiator
By mass fraction be 6 parts peroxidating monophosphate hydrogen potassium, 4 parts of peroxidating potassium acid sulfate, 2 parts of hydrogen peroxide,
It is exactly initiator that 10 parts of ammonium persulfate, 40 parts of distilled water, which are added to the mixer the substance obtained after mixing,.
(5) preparation of reducing agent
By mass fraction be 3 parts of hydrogen phosphite sodium, 1 part of sodium nitrite, 20 parts of distilled water be added to the mixer into
The substance that row obtains after mixing is exactly reducing agent.
(6) preparation of strong acid
It is that 30 parts of concentrated hydrochloric acid and 10 parts of concentrated nitric acid mix by mass fraction, after mixing, is added 200 parts
It is exactly strong acid used in the present embodiment that distilled water, which is diluted to the strong acid solution that concentration is 17%,.
Embodiment 2
A kind of preparation method of macromolecular soil conditioner, the following steps are included:
(1) a kind of composition of macromolecular soil conditioner are as follows: activated Calcium carbonate powder that mass fraction is 40 parts, 30 parts
Potassium acrylate, 15 parts of styrene, the 2 of 6 parts, 4- second diene dimethyl ester, 3 parts of acid-base modifier, 10 parts of adjuvant, 3 parts
Initiator, 4 parts of reducing agent, 100 parts of water, 60 parts of strong acid.
(2) a kind of macromolecular soil conditioner the preparation method comprises the following steps: by temperature of reaction kettle control at 70-75 DEG C, by quality
The activated Calcium carbonate powder and 100 parts of water that number is 40 parts are added in reaction kettle, carry out high-speed stirred, agitator speed is
500-600rpm, mixing time are 20-30 minutes, and agitator speed is controlled in 200-300rpm, then by 30 parts of propylene
Sour potassium, 15 parts of styrene, the 2 of 6 parts, 4- second diene dimethyl ester, 3 parts of acid-base modifier, 10 parts of adjuvant, 3 parts draw
Hair agent, 4 parts of reducing agent are added in reaction kettle, after carrying out reaction 1-2 hours, by 4 parts of reducing agent with the speed of 2-3 seconds/drop
Be added drop-wise in reaction kettle, after carrying out reaction 3-4 hours, stops heating, after cooled to room temperature, at room temperature,
60 parts of strong acid is added into reaction kettle, after carrying out reaction 2-3 hours, takes out, is filtered, obtains filter residue, filter residue is used certainly
It after water carries out cleaning 2-3, is dried, drying temperature is 80-90 DEG C, and the substance obtained after drying is exactly macromolecular soil
Earth modifying agent.
The substance used in above-mentioned steps the preparation method comprises the following steps:
(1) preparation of activated Calcium carbonate powder
The calcium carbonate superfine powder powder that mass fraction is 120 parts is added in reaction kettle, control temperature of reaction kettle is 50-60
DEG C, then into reaction kettle be added mass fraction be 2 parts of polyester polyol, 2 parts of silane coupling agent, 3 parts of calcium stearate,
Turn on agitator, agitator speed 200-300rpm after carrying out reaction 60-80 minutes, stop heating.It is cooled to room temperature,
White powder substance is obtained, which is exactly activated Calcium carbonate powder.
(2) preparation of acid-base modifier
Temperature of reaction kettle is controlled at 20-30 DEG C, is 20 parts of saleratus, 8 parts of sodium carbonate, 5 parts by mass fraction
Sodium dihydrogen phosphate, 4 parts of sodium tripolyphosphate, 4 parts of ammonium dihydrogen phosphate, 100 parts water be added reaction kettle in, carry out hybrid reaction
After 10-15 minutes, obtained substance, the substance is exactly acid-base modifier.
(3) preparation of adjuvant
By temperature of reaction kettle control at 60-70 DEG C, by mass fraction be 5 parts poly- trimethylolpropane-propylene glycol-oneself two
Terpolymer, 4 parts of the polyvinyl butyral, 3 parts of methoxy poly (ethylene glycol) amine, 6 parts of polyvinyl alcohol cinnamic acid of acid
Ester, 1 part of MDI are added in reaction kettle, and after carrying out hybrid reaction 2-3 hours, obtained substance, the substance is exactly adjuvant.
(4) preparation of initiator
By mass fraction be 6 parts peroxidating monophosphate hydrogen potassium, 4 parts of peroxidating potassium acid sulfate, 2 parts of hydrogen peroxide,
10 parts of ammonium persulfate, 40 parts of distilled water are added to the mixer the substance obtained after mixing, which is exactly to draw
Send out agent.
(5) preparation of reducing agent
By mass fraction be 3 parts of hydrogen phosphite sodium, 1 part of sodium nitrite, 20 parts of distilled water be added to the mixer into
The substance that row obtains after mixing, which is exactly reducing agent.
(6) preparation of strong acid
It is that 30 parts of concentrated hydrochloric acid and 10 parts of concentrated nitric acid mix by mass fraction, after mixing, is added 200 parts
It is exactly strong acid used in the present embodiment that distilled water, which is diluted to the strong acid solution that concentration is 17%,.
Embodiment 3
A kind of preparation method of macromolecular soil conditioner, the following steps are included:
(1) a kind of composition of macromolecular soil conditioner are as follows: activated Calcium carbonate powder that mass fraction is 60 parts, 20 parts
Potassium acrylate, 20 parts of styrene, the 2 of 6 parts, 4- second diene dimethyl ester, 5 parts of acid-base modifier, 20 parts of adjuvant, 5 parts
Initiator, 6 parts of reducing agent, 200 parts of water, 80 parts of strong acid.
(2) a kind of macromolecular soil conditioner the preparation method comprises the following steps: by temperature of reaction kettle control at 70-75 DEG C, by quality
The activated Calcium carbonate powder and 200 parts of water that number is 60 parts are added in reaction kettle, carry out high-speed stirred, agitator speed is
500-600rpm, mixing time are 20-30 minutes, and agitator speed is controlled in 200-300rpm, then by 20 parts of propylene
Sour potassium, 20 parts of styrene, the 2 of 6 parts, 4- second diene dimethyl ester, 5 parts of acid-base modifier, 20 parts of adjuvant, 5 parts draw
It sends out agent to be added in reaction kettle, after carrying out reaction 1-2 hours, 6 parts of reducing agent be added drop-wise to instead with the speed of 2-3 seconds/drop
It answers in kettle, after carrying out reaction 3-4 hours, stops heating, after cooled to room temperature, at room temperature, add into reaction kettle
Enter 80 parts of strong acid, after carrying out reaction 2-3 hours, takes out, be filtered, obtain filter residue, filter residue is cleaned with tap water
It after 2-3, is dried, drying temperature is 80-90 DEG C, and the substance obtained after drying is exactly macromolecular soil conditioner.
The substance used in above-mentioned steps the preparation method comprises the following steps:
(1) preparation of activated Calcium carbonate powder
The calcium carbonate superfine powder powder that mass fraction is 120 parts is added in reaction kettle, control temperature of reaction kettle is 50-60
DEG C, then into reaction kettle be added mass fraction be 2 parts of polyester polyol, 2 parts of silane coupling agent, 3 parts of calcium stearate,
Turn on agitator, agitator speed 200-300rpm after carrying out reaction 60-80 minutes, stop heating.It is cooled to room temperature,
White powder substance is obtained, which is exactly activated Calcium carbonate powder.
(2) preparation of acid-base modifier
Temperature of reaction kettle is controlled at 20-30 DEG C, is 20 parts of saleratus, 8 parts of sodium carbonate, 5 parts by mass fraction
Sodium dihydrogen phosphate, 4 parts of sodium tripolyphosphate, 4 parts of ammonium dihydrogen phosphate, 100 parts water be added reaction kettle in, carry out hybrid reaction
After 10-15 minutes, obtained substance is exactly acid-base modifier.
(3) preparation of adjuvant
By temperature of reaction kettle control at 60-70 DEG C, by mass fraction be 5 parts poly- trimethylolpropane-propylene glycol-oneself two
Terpolymer, 4 parts of the polyvinyl butyral, 3 parts of methoxy poly (ethylene glycol) amine, 6 parts of polyvinyl alcohol cinnamic acid of acid
Ester, 1 part of MDI are added in reaction kettle, and after carrying out hybrid reaction 2-3 hours, obtained substance is exactly adjuvant.
(4) preparation of initiator
By mass fraction be 6 parts peroxidating monophosphate hydrogen potassium, 4 parts of peroxidating potassium acid sulfate, 2 parts of hydrogen peroxide,
It is exactly initiator that 10 parts of ammonium persulfate, 40 parts of distilled water, which are added to the mixer the substance obtained after mixing,.
(5) preparation of reducing agent
By mass fraction be 3 parts of hydrogen phosphite sodium, 1 part of sodium nitrite, 20 parts of distilled water be added to the mixer into
The substance that row obtains after mixing is exactly reducing agent.
(6) preparation of strong acid
It is that 30 parts of concentrated hydrochloric acid and 10 parts of concentrated nitric acid mix by mass fraction, after mixing, is added 200 parts
It is exactly strong acid used in the present embodiment that distilled water, which is diluted to the strong acid solution that concentration is 17%,.
Embodiment 4
A kind of preparation method of macromolecular soil conditioner, the following steps are included:
(1) a kind of composition of macromolecular soil conditioner are as follows: activated Calcium carbonate powder that mass fraction is 60 parts, 30 parts
Potassium acrylate, 15 parts of styrene, the 2 of 8 parts, 4- second diene dimethyl ester, 3 parts of acid-base modifier, 10 parts of adjuvant, 4 parts
Initiator, 4 parts of reducing agent, 200 parts of water, 80 parts of strong acid.
(2) a kind of macromolecular soil conditioner the preparation method comprises the following steps: by temperature of reaction kettle control at 70-75 DEG C, by quality
The activated Calcium carbonate powder and 200 parts of water that number is 60 parts are added in reaction kettle, carry out high-speed stirred, agitator speed is
500-600rpm, mixing time are 20-30 minutes, and agitator speed is controlled in 200-300rpm, then by 30 parts of propylene
Sour potassium, 15 parts of styrene, the 2 of 8 parts, 4- second diene dimethyl ester, 3 parts of acid-base modifier, 10 parts of adjuvant, 4 parts draw
It sends out agent to be added in reaction kettle, after carrying out reaction 1-2 hours, 4 parts of reducing agent be added drop-wise to instead with the speed of 2-3 seconds/drop
It answers in kettle, after carrying out reaction 3-4 hours, stops heating, after cooled to room temperature, at room temperature, add into reaction kettle
Enter 80 parts of strong acid, after carrying out reaction 2-3 hours, takes out, be filtered, obtain filter residue, filter residue is cleaned with tap water
It after 2-3, is dried, drying temperature is 80-90 DEG C, and the substance obtained after drying is exactly macromolecular soil conditioner.
The substance used in above-mentioned steps the preparation method comprises the following steps:
(1) preparation of activated Calcium carbonate powder
The calcium carbonate superfine powder powder that mass fraction is 120 parts is added in reaction kettle, control temperature of reaction kettle is 50-60
DEG C, then into reaction kettle be added mass fraction be 2 parts of polyester polyol, 2 parts of silane coupling agent, 3 parts of calcium stearate,
Turn on agitator, agitator speed 200-300rpm after carrying out reaction 60-80 minutes, stop heating.It is cooled to room temperature,
White powder substance is obtained, which is exactly activated Calcium carbonate powder.
(2) preparation of acid-base modifier
Temperature of reaction kettle is controlled at 20-30 DEG C, is 20 parts of saleratus, 8 parts of sodium carbonate, 5 parts by mass fraction
Sodium dihydrogen phosphate, 4 parts of sodium tripolyphosphate, 4 parts of ammonium dihydrogen phosphate, 100 parts water be added reaction kettle in, carry out hybrid reaction
After 10-15 minutes, obtained substance is exactly acid-base modifier.
(3) preparation of adjuvant
By temperature of reaction kettle control at 60-70 DEG C, by mass fraction be 5 parts poly- trimethylolpropane-propylene glycol-oneself two
Terpolymer, 4 parts of the polyvinyl butyral, 3 parts of methoxy poly (ethylene glycol) amine, 6 parts of polyvinyl alcohol cinnamic acid of acid
Ester, 1 part of MDI are added in reaction kettle, and after carrying out hybrid reaction 2-3 hours, obtained substance is exactly adjuvant.
(4) preparation of initiator
By mass fraction be 6 parts peroxidating monophosphate hydrogen potassium, 4 parts of peroxidating potassium acid sulfate, 2 parts of hydrogen peroxide,
It is exactly initiator that 10 parts of ammonium persulfate, 40 parts of distilled water, which are added to the mixer the substance obtained after mixing,.
(5) preparation of reducing agent
By mass fraction be 3 parts of hydrogen phosphite sodium, 1 part of sodium nitrite, 20 parts of distilled water be added to the mixer into
The substance that row obtains after mixing is exactly reducing agent.
(6) preparation of strong acid
It is that 30 parts of concentrated hydrochloric acid and 10 parts of concentrated nitric acid mix by mass fraction, after mixing, is added 200 parts
It is exactly strong acid used in the present embodiment that distilled water, which is diluted to the strong acid solution that concentration is 17%,.
Experimental analysis:
1, salt-soda soil improvement is tested
The soil conditioner that the embodiment 1-4 soil conditioner prepared and market are bought, salt-soda soil identical to fertility
Three parts are divided into, wherein two parts carry out soil improvement using the modifying agent, it is a without any improvement, then plant upper jade
Rice carries out title corn weight for what is obtained, then calculates its fertilizer efficiency then after corn is mature.Fertilizer efficiency=modifying agent is improved
The yield * 100% for yield afterwards/do not improved, calculating it, test result is as follows shown in table.
Above-mentioned test result is it is found that its effect of soil conditioner prepared by the present invention changes compared to the soil of common market purchase
Good dose of effect is well very much, is greatly improved effect to the fertility of alkaline land soil.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention rather than limits, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from defined by claims of the present invention.
Claims (8)
1. a kind of preparation method of macromolecular soil conditioner, which is characterized in that the composition of the macromolecular soil conditioner
Include: mass fraction be 40-60 parts of activated Calcium carbonate powder, 20-30 parts of potassium acrylate, 15-20 parts of styrene, 6-8
Part 2,4- second diene dimethyl ester, 3-5 parts of acid-base modifier, 10-20 parts of adjuvant, 3-5 parts of initiator, 4-6 parts
Reducing agent, 100-200 parts of water, 60-80 parts of strong acid.
2. a kind of preparation method of macromolecular soil conditioner according to claim 1, which is characterized in that specific steps
Are as follows: temperature of reaction kettle is controlled at 70-75 DEG C, by mass fraction be 40-60 parts activated Calcium carbonate powder and 100-200 parts
Water is added in reaction kettle, carries out high-speed stirred, agitator speed 500-600rpm, and mixing time is 20-30 minutes, will stir
The control of device revolving speed is mixed in 200-300rpm, is then 20-30 parts of potassium acrylate, 15-20 parts of styrene, 6- by mass fraction
8 parts 2,4- second diene dimethyl ester, 3-5 parts of acid-base modifier, 10-20 parts of adjuvant, 3-5 parts initiator be added reaction
In kettle, after carrying out reaction 1-2 hours, 4-6 parts of reducing agent be added drop-wise in reaction kettle with the speed of 2-3 seconds/drop, be carried out
After reaction 3-4 hours, stop heating, after cooled to room temperature, at room temperature, 60-80 parts is added into reaction kettle
Strong acid after carrying out reaction 2-3 hours, takes out, is filtered, obtains filter residue, will after filter residue is carried out cleaning 2-3 with tap water
It is dried, and drying temperature is 80-90 DEG C, and the substance obtained after drying is exactly macromolecular soil conditioner.
3. a kind of preparation method of macromolecular soil conditioner according to claim 1 or 2, which is characterized in that described
Activated Calcium carbonate powder are as follows: the calcium carbonate superfine powder powder that mass fraction is 100-120 parts is added in reaction kettle, controls reaction kettle
Temperature is 50-60 DEG C, and polyester polyol, 1-2 parts silane coupled that mass fraction is 2-5 parts are then added into reaction kettle
Agent, 2-3 parts of calcium stearate, turn on agitator, agitator speed 200-300rpm stop after carrying out reaction 60-80 minutes
It only heats, is cooled to room temperature, obtain white powder substance, which is exactly activated Calcium carbonate powder.
4. a kind of preparation method of macromolecular soil conditioner according to claim 1 or 2, which is characterized in that described
Acid-base modifier are as follows: temperature of reaction kettle is controlled at 20-30 DEG C, by mass fraction be 10-20 parts saleratus, 6-8 parts
Sodium carbonate, 2-5 parts of sodium dihydrogen phosphate, 4-6 parts of sodium tripolyphosphate, 4-5 parts of ammonium dihydrogen phosphate, 60-100 parts of water are added anti-
It answers in kettle, after carrying out hybrid reaction 10-15 minutes, obtained substance is exactly acid-base modifier.
5. a kind of preparation method of macromolecular soil conditioner according to claim 1 or 2, which is characterized in that described
Adjuvant are as follows: temperature of reaction kettle is controlled into the poly- trimethylolpropane-propylene glycol-for being 4-5 parts by mass fraction at 60-70 DEG C
The terpolymer of adipic acid, 4-5 parts of polyvinyl butyral, 2-3 parts of methoxy poly (ethylene glycol) amine, 4-6 parts of poly- second
Enol cinnamate, 1-2 parts of MDI is added in reaction kettle, and after carrying out hybrid reaction 2-3 hours, obtained substance is exactly to assist
Agent.
6. a kind of preparation method of macromolecular soil conditioner according to claim 1 or 2, which is characterized in that described
Initiator are as follows: by mass fraction be 5-6 parts peroxidating monophosphate hydrogen potassium, 3-4 parts of peroxidating potassium acid sulfate, 1-2 parts
Hydrogen peroxide, 6-10 parts of ammonium persulfate, 30-40 parts of distilled water are added to the mixer the substance obtained after mixing just
It is initiator.
7. a kind of preparation method of macromolecular soil conditioner according to claim 1 or 2, which is characterized in that described
Reducing agent are as follows: by mass fraction be 2-3 parts of hydrogen phosphite sodium, 1-2 parts of sodium nitrite, 10-20 parts of distilled water are added and mix
The substance obtained after mixing in conjunction machine is exactly reducing agent.
8. a kind of preparation method of macromolecular soil conditioner according to claim 1 or 2, which is characterized in that described
Strong acid are as follows: mass fraction is mixed for 20-30 parts of concentrated hydrochloric acid and 10-15 parts of concentrated nitric acid, after mixing, is added
It is exactly strong acid that 100-200 parts of distilled water, which is diluted to the strong acid solution that concentration is 10-20%,.
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