CN106832761A - A kind of Lauxite base foam soilless culture substrate and preparation method thereof - Google Patents
A kind of Lauxite base foam soilless culture substrate and preparation method thereof Download PDFInfo
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- CN106832761A CN106832761A CN201710095734.6A CN201710095734A CN106832761A CN 106832761 A CN106832761 A CN 106832761A CN 201710095734 A CN201710095734 A CN 201710095734A CN 106832761 A CN106832761 A CN 106832761A
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- Chemical Kinetics & Catalysis (AREA)
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- Dispersion Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a kind of Lauxite base foam soilless culture substrate, it is made up of the raw material of following weight portion：Acrylamide 50 64, bentonite 20 32 distills appropriate amount of water, magnesium sulfate 11 20, N, N ' methylene-bisacrylamide 4 12, dimethyl diallyl ammonium chloride 5 11, ammonium persulfate 25, acetone in proper, formaldehyde 58 69, urea 58 69, N, N, N', N' tetramethylethylenediamine 3 10, sorbester p17 13, hexamethylene 150 180, appropriate hydrochloric acid solution, sodium butylnaphthalenesulfonate 14, phosphoric acid 0.2 0.8,0.5M sodium hydroxide solutions are appropriate.The present invention utilizes nonionic monomer acrylamide intercalation polymeric modified alta-mud, it is crosslinked with Lauxite again, carry out foaming treatment and obtain urea formaldehyde resin foam cultivation matrix, have the advantages that quality is light, water absorbing and retaining properties are good, fertilizer-preserving ability is high, can be used as the cultivation matrix of lawn, crops etc..
Description
Technical field
The present invention relates to a kind of soilless culture substrate, specifically a kind of Lauxite base foam soilless culture substrate and its
Preparation method.
Background technology
Polyacrylamide and its derivative are the widely used water-soluble high-molecular materials of a class, can be used as flocculant, paper
Reinforcing agent and retention and drainage aid agent etc. are opened, the fields such as water process, papermaking and oil exploitation have been applied to.Crosslinked polyacrylamide is micro-
Ball is due to water suction, water conservation and the performance such as swelling, can be used as the materials such as water-loss reducer of soil, Water Shutoff Agents Used In Oil Fields and " diaper ".
Liu Xuegui, Wang Ende, Shao Hong et al. are at it《The research of PAM modified alta-mud impervious material》One
Wen Zhong, herein with Jilin Province Liu house natural sodium bentonite as raw material, from polyacrylamide as modifying agent, using water-soluble
Liquid polymerization, intercalation modifying is carried out to bentonite, has synthesized polyacrylamide bentone soil material, swollen with preferably absorbing water
Swollen, salt tolerant and thermal stability, have studied modified alta-mud impervious material removal percolate in major pollutants it is effective
Property and control percolate infiltration feasibility.
Urea formaldehyde resin foam is a kind of fertilizer rich in various mineral elements, such as contains ammonium, sodium, calcium, potassium, magnesium, phosphate, sulphur
Hydrochlorate, nitrate, chloride, carbonate, urea and trace element, can improve soil texture.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of Lauxite base foam soilless culture substrate
And preparation method thereof.
A kind of Lauxite base foam soilless culture substrate, is made up of the raw material of following weight portion：Acrylamide 50-64
Part, bentonite 20-32 parts, distill appropriate amount of water, magnesium sulfate 11-20 parts, N, N '-methylene-bisacrylamide 4-12 parts, dimethyl
Diallyl ammonium chloride 5-11 parts, ammonium persulfate 2-5 parts, acetone in proper, formaldehyde 58-69 parts, urea 58-69 parts, N, N, N',
3-10 parts of N'- tetramethylethylenediamines, sorbester p17 1-3 parts, hexamethylene 150-180 parts, appropriate hydrochloric acid solution, sodium butylnaphthalenesulfonate
1-4 parts, phosphoric acid 0.2-0.8 parts, 0.5M sodium hydroxide solutions are appropriate.
Comprise the following steps that：
（1）Weigh bentonite to be added in distilled water, stir 0.5-2 hours, make its dispersed in aqueous, form uniform
The bentonite suspension of stabilization；
（2）The preparation of polyacrylamide/bentonite composite microgel：
In equipped with agitator and temperature controlled reaction vessel, magnesium sulfate is weighed, be dissolved into distilled water, until completely dissolved
Two/a above-mentioned bentonite suspension is added in reactor, reaction monomers acrylamide, N, N '-methylene is added
Base bisacrylamide, and dimethyl diallyl ammonium chloride, ammonium persulfate are added, after disperseing 15-40 minutes, add accelerator
N, N, N', N'- tetramethylethylenediamine, add remaining bentonite suspension afterwards, are sufficiently mixed uniformly, in N2The lower room temperature of protection
Polymerisation 6-12 hours, products therefrom was repeatedly alternately washed through distilled water and acetone, and the product after washing dries, obtains final product naturally
Powdered polyacrylamide/bentonite composite microgel；
（3）The preparation of the microgel containing precursors：
By step（2）Gained microgel is added in formalin and 1/2 portion of mixed liquor of urea liquid, is adjusted with hydrochloric acid solution
PH value is fully swelling 10-15 hours at ambient temperature to 2-3；
（4）Sorbester p17 is weighed, is added in the reaction bulb containing hexamethylene, in N2Fully emulsified, formation oil phase is carried out under protection,
During room temperature, in N2The above-mentioned microgel containing precursors is added in adequately emulsified oil phase under protective condition, fully
Dispersion 0.5-3 hour, constant to 45-65 DEG C of system temperature is reacted 2-4 hour, and 70-80 DEG C, addition remainder are warming up to afterwards
Urea liquid, continue react to reaction system viscosity be 17-19s when, with 0.5M sodium hydroxide solution terminating reactions, and adjust
PH to 7.5-8.0, obtains compound resin solution；
（5）Sodium butylnaphthalenesulfonate is mixed with phosphoric acid, as foam liquid, by step（4）Compound resin solution mixes with foam liquid
Foamed in foaming machine, obtain liquid foam, it is cured, dry, obtain soilless culture substrate.
Wherein, described acrylamide is nonionic monomer acrylamide.
Wherein, step（3）Described formaldehyde is mixed with urea liquid by formalin with the mixed liquor of urea and constitutes, both
Volume ratio 1:1.
Wherein, the initial concentration of described formalin and urea liquid is 1.03mol/L.
Compared with prior art, the present invention has advantages below：
（1）The present invention utilizes nonionic monomer acrylamide intercalation polymeric modified alta-mud, and PAMC is embedded in
To between bentonite bed, by Van der Waals force and Hydrogenbond between bentonite bed, interlamellar spacing expands, and lamellar structure is destroyed, and obtains
Polyacrylamide/bentonite nano the compound of intercal type is arrived, wherein bentonite mainly undertakes the bone of material on bentone
Frame supporting role.
（2）It is afterwards that skeleton and Lauxite are crosslinked with polyacrylamide-bentonite microgel, the shape on micro-gel surface
Into fine and close Lauxite clad, the porous type tri compound gel with nucleocapsid structure is obtained, it is swollen with good water suction
Swollen, salt tolerant and thermal stability.
（3）The present invention prepare urea formaldehyde resin foam cultivation matrix, with quality it is light, water absorbing and retaining properties are good, fertilizer-preserving ability
High the advantages of, in soil can natural decomposition, saving of labor in seedling raising process, save kind, save fertilizer, save agricultural chemicals, water-saving, without disease pest without miscellaneous
Grass, the low advantage of labour intensity, can be used as the cultivation matrix of lawn, crops etc..
Specific embodiment
A kind of Lauxite base foam soilless culture substrate, is made up of the raw material of following weight portion：58 parts of acrylamide, it is swollen
28 parts of profit soil, distills appropriate amount of water, 18 parts of magnesium sulfate, N, N ' -9 parts of methylene-bisacrylamide, dimethyl diallyl ammonium chloride 8
Part, 3 parts of ammonium persulfate, acetone in proper, 65 parts of formaldehyde, 65 parts of urea, 6 parts of N, N, N', N'- tetramethylethylenediamine, sorbester p17 2
Part, 170 parts of hexamethylene, appropriate hydrochloric acid solution, 2 parts of sodium butylnaphthalenesulfonate, 0.7 part of phosphoric acid, 0.5M sodium hydroxide solutions are appropriate.
Comprise the following steps that：
（1）Weigh bentonite to be added in distilled water, stir 1.5 hours, make its dispersed in aqueous, form uniform steady
Fixed bentonite suspension；
（2）The preparation of polyacrylamide/bentonite composite microgel：
In equipped with agitator and temperature controlled reaction vessel, magnesium sulfate is weighed, be dissolved into distilled water, until completely dissolved
Two/a above-mentioned bentonite suspension is added in reactor, reaction monomers acrylamide, N, N '-methylene is added
Base bisacrylamide, and dimethyl diallyl ammonium chloride, ammonium persulfate are added, after disperseing 30 minutes, accelerant N is added,
N, N', N'- tetramethylethylenediamine, add remaining bentonite suspension afterwards, are sufficiently mixed uniformly, in N2The lower room temperature of protection is gathered
Reaction 10 hours is closed, products therefrom is repeatedly alternately washed through distilled water and acetone, and the product after washing dries naturally, obtains final product powder
The polyacrylamide of shape/bentonite composite microgel；
（3）The preparation of the microgel containing precursors：
By step（2）Gained microgel is added in formalin and 1/2 portion of mixed liquor of urea liquid, is adjusted with hydrochloric acid solution
PH value is abundant swelling 13 hours at ambient temperature to 2.5；
（4）Sorbester p17 is weighed, is added in the reaction bulb containing hexamethylene, in N2Fully emulsified, formation oil phase is carried out under protection,
During room temperature, in N2The above-mentioned microgel containing precursors is added in adequately emulsified oil phase under protective condition, fully
Dispersion 2 hours, constant to 55 DEG C of system temperature is reacted 3 hours, and 75 DEG C are warming up to afterwards, adds remaining urea liquid, after
When continuous reaction to reaction system viscosity is 18s, with 0.5M sodium hydroxide solution terminating reactions, and pH to 7.5 is adjusted, be combined
Resin solution；
（5）Sodium butylnaphthalenesulfonate is mixed with phosphoric acid, as foam liquid, by step（4）Compound resin solution mixes with foam liquid
Foamed in foaming machine, obtain liquid foam, it is cured, dry, obtain soilless culture substrate.
Wherein, described acrylamide is nonionic monomer acrylamide.
Wherein, step（3）Described formaldehyde is mixed with urea liquid by formalin with the mixed liquor of urea and constitutes, both
Volume ratio 1:1.
Wherein, the initial concentration of described formalin and urea liquid is 1.03mol/L.
Claims (5)
1. a kind of Lauxite base foam soilless culture substrate, it is characterised in that be made up of the raw material of following weight portion：Acryloyl
Amine 50-64 parts, bentonite 20-32 parts, distillation appropriate amount of water, magnesium sulfate 11-20 parts ,-methylene-bisacrylamide 4-12 parts of N, N ',
Dimethyl diallyl ammonium chloride 5-11 parts, ammonium persulfate 2-5 parts, acetone in proper, formaldehyde 58-69 parts, urea 58-69 parts, N,
3-10 parts of N, N', N'- tetramethylethylenediamine, sorbester p17 1-3 parts, hexamethylene 150-180 parts, appropriate hydrochloric acid solution, dibutyl naphthalene sulphur
Sour sodium 1-4 parts, phosphoric acid 0.2-0.8 parts, 0.5M sodium hydroxide solutions are appropriate.
2. a kind of preparation method of the Lauxite base foam soilless culture substrate according to claims 1, its feature exists
In comprising the following steps that：
（1）Weigh bentonite to be added in distilled water, stir 0.5-2 hours, make its dispersed in aqueous, form uniform
The bentonite suspension of stabilization；
（2）The preparation of polyacrylamide/bentonite composite microgel：
In equipped with agitator and temperature controlled reaction vessel, magnesium sulfate is weighed, be dissolved into distilled water, until completely dissolved
Two/a above-mentioned bentonite suspension is added in reactor, reaction monomers acrylamide, N, N '-methylene is added
Base bisacrylamide, and dimethyl diallyl ammonium chloride, ammonium persulfate are added, after disperseing 15-40 minutes, add accelerator
N, N, N', N'- tetramethylethylenediamine, add remaining bentonite suspension afterwards, are sufficiently mixed uniformly, in N2The lower room temperature of protection
Polymerisation 6-12 hours, products therefrom was repeatedly alternately washed through distilled water and acetone, and the product after washing dries, obtains final product naturally
Powdered polyacrylamide/bentonite composite microgel；
（3）The preparation of the microgel containing precursors：
By step（2）Gained microgel is added in formalin and 1/2 portion of mixed liquor of urea liquid, is adjusted with hydrochloric acid solution
PH value is fully swelling 10-15 hours at ambient temperature to 2-3；
（4）Sorbester p17 is weighed, is added in the reaction bulb containing hexamethylene, in N2Fully emulsified, formation oil phase is carried out under protection,
During room temperature, in N2The above-mentioned microgel containing precursors is added in adequately emulsified oil phase under protective condition, fully
Dispersion 0.5-3 hour, constant to 45-65 DEG C of system temperature is reacted 2-4 hour, and 70-80 DEG C, addition remainder are warming up to afterwards
Urea liquid, continue react to reaction system viscosity be 17-19s when, with 0.5M sodium hydroxide solution terminating reactions, and adjust
PH to 7.5-8.0, obtains compound resin solution；
（5）Sodium butylnaphthalenesulfonate is mixed with phosphoric acid, as foam liquid, by step（4）Compound resin solution mixes with foam liquid
Foamed in foaming machine, obtain liquid foam, it is cured, dry, obtain soilless culture substrate.
3. a kind of preparation method of the Lauxite base foam soilless culture substrate according to claims 1,2, its feature
It is that described acrylamide is nonionic monomer acrylamide.
4. a kind of preparation method of the Lauxite base foam soilless culture substrate according to claims 2, its feature exists
In step（3）Described formaldehyde is mixed with urea liquid by formalin with the mixed liquor of urea and constitutes, both volume ratios 1:1.
5. a kind of preparation method of the Lauxite base foam soilless culture substrate according to claims 2,4, its feature
It is that described formalin and the initial concentration of urea liquid are 1.03mol/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095734.6A CN106832761A (en) | 2017-02-22 | 2017-02-22 | A kind of Lauxite base foam soilless culture substrate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710095734.6A CN106832761A (en) | 2017-02-22 | 2017-02-22 | A kind of Lauxite base foam soilless culture substrate and preparation method thereof |
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| CN106832761A true CN106832761A (en) | 2017-06-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439253A (en) * | 2003-04-03 | 2003-09-03 | 顾岩 | Manufacture method for plant plantation substrate and plantation substrate thereby |
| CN101134803A (en) * | 2007-08-23 | 2008-03-05 | 北京市农林科学院 | Urea-formaldehyde foam plant cultivation substrate and method for preparing the same |
| CN104030287A (en) * | 2014-07-09 | 2014-09-10 | 四川创越炭材料有限公司 | Spherical activated carbon and preparation method thereof |
| CN105358506A (en) * | 2013-05-24 | 2016-02-24 | 领袖化学有限公司 | Method for manufacturing sustained-release matrix-type granular complex fertilizer and matrix-type granular complex fertilizer obtained therefrom |
| CN105859974A (en) * | 2016-06-21 | 2016-08-17 | 赵兰 | Preparation method of organic/inorganic composite high-water-absorptivity material |
-
2017
- 2017-02-22 CN CN201710095734.6A patent/CN106832761A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439253A (en) * | 2003-04-03 | 2003-09-03 | 顾岩 | Manufacture method for plant plantation substrate and plantation substrate thereby |
| CN101134803A (en) * | 2007-08-23 | 2008-03-05 | 北京市农林科学院 | Urea-formaldehyde foam plant cultivation substrate and method for preparing the same |
| CN105358506A (en) * | 2013-05-24 | 2016-02-24 | 领袖化学有限公司 | Method for manufacturing sustained-release matrix-type granular complex fertilizer and matrix-type granular complex fertilizer obtained therefrom |
| CN104030287A (en) * | 2014-07-09 | 2014-09-10 | 四川创越炭材料有限公司 | Spherical activated carbon and preparation method thereof |
| CN105859974A (en) * | 2016-06-21 | 2016-08-17 | 赵兰 | Preparation method of organic/inorganic composite high-water-absorptivity material |
Non-Patent Citations (1)
| Title |
|---|
| 刘学贵等: "新型交联聚丙烯酰胺/膨润土复合防水材料的研究", 《矿冶工程》 * |
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Application publication date: 20170613 |
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