CN106883552A - A kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film and preparation method thereof - Google Patents
A kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film and preparation method thereof Download PDFInfo
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- CN106883552A CN106883552A CN201710095700.7A CN201710095700A CN106883552A CN 106883552 A CN106883552 A CN 106883552A CN 201710095700 A CN201710095700 A CN 201710095700A CN 106883552 A CN106883552 A CN 106883552A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
-
- 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
-
- 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
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2361/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08J2361/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/14—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
- C08J2433/16—Homopolymers or copolymers of esters containing halogen atoms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Abstract
The invention discloses a kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film, it is made up of the raw material of following weight portion：Acrylamide 53 70, bentonite 25 37 distills appropriate amount of water, magnesium sulfate 11 23, N, N ' methylene-bisacrylamide 5 13, dimethyl diallyl ammonium chloride 7 13, ammonium persulfate 25, acetone in proper, formaldehyde 47 58, urea 47 58, N, N, N', N' tetramethylethylenediamines 5 12, sorbester p17 0.8 3, hexamethylene 120 160, appropriate hydrochloric acid solution, polyvinyl alcohol 16 33, hydroxymethyl cellulose 9 14.The present invention utilizes nonionic monomer acrylamide intercalation polymeric modified alta-mud, afterwards tri compound gel micro-ball is obtained with Lauxite crosslinking, afterwards liquid ground film is prepared using it, film is formed in soil surface, there is soil moisture conservation water retention, not only be effectively prevented moisture evaporation, and can for needed for crop provides nutrient.
Description
Technical field
The present invention relates to polyacrylamide, specifically a kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film and its system
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 Environmental-protection agricultural soil face getting fat water conservation liquid
Mulch film and preparation method thereof.
A kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film, is made up of the raw material of following weight portion：Acrylamide 53-
70 parts, bentonite 25-37 parts, distill appropriate amount of water, magnesium sulfate 11-23 parts, N, N '-methylene-bisacrylamide 5-13 parts, diformazan
7-13 parts of base diallyl ammonium chloride, ammonium persulfate 2-5 parts, acetone in proper, formaldehyde 47-58 parts, urea 47-58 parts, N, N, N',
5-12 parts of N'- tetramethylethylenediamines, sorbester p17 0.8-3 parts, hexamethylene 120-160 parts, appropriate hydrochloric acid solution, polyvinyl alcohol 16-
33 parts, hydroxymethyl cellulose 9-14 parts.
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 to the mixing of formaldehyde and urea
In liquid, pH value to 2-3 is adjusted with hydrochloric acid solution, it is fully swelling 10-15 hours at ambient temperature；
（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, by constant to 45-65 DEG C of system temperature, reaction 4-7 hours, product repeatedly replaces through distilled water and acetone
Dried naturally after washing, obtain Organic-inorganic composite gel micro-ball；
（5）By step（4）Composite gel microsphere is hybridly prepared into the aqueous solution that concentration is 2-10wt%, adds polyvinyl alcohol dissolving
It is well mixed, hydroxymethyl cellulose is added afterwards, fully after dissolving mixing, it is dried in vacuum drying chamber, drying temperature
50-80 DEG C, obtain this product.
Wherein, described acrylamide is nonionic monomer acrylamide.
Wherein, step（3）Described formaldehyde is mixed in 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 tri compound gel micro-ball with nucleocapsid structure is obtained, the porous type gel for obtaining is micro-
Ball uniform particle sizes, product has good water swelling, salt tolerant and thermal stability.
（3）The liquid ground film that the present invention is prepared using composite gel microsphere, mixes with water sprayed through spray-on process when in use
After earth's surface, film is formed in soil surface, there is soil moisture conservation water retention, be not only effectively prevented moisture evaporation, and ureaformaldehyde tree
The nitrogen nutrient in soil can be supplemented after fat degraded for crop absorbs, plays a part of improved soil.
Specific embodiment
A kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film, is made up of the raw material of following weight portion：Acrylamide 63
Part, 32 parts of bentonite distills appropriate amount of water, 19 parts of magnesium sulfate, N, N ' -9 parts of methylene-bisacrylamide, dimethyl diallyl chlorine
Change 10 parts of ammonium, 4 parts of ammonium persulfate, acetone in proper, 53 parts of formaldehyde, 53 parts of urea, 10 parts of N, N, N', N'- tetramethylethylenediamine, department
80 2 parts of disk, 155 parts of hexamethylene, appropriate hydrochloric acid solution, 30 parts of polyvinyl alcohol, 10 parts of hydroxymethyl cellulose.
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 to the mixing of formaldehyde and urea
In liquid, pH value to 2.5 is adjusted with hydrochloric acid solution, fully swelling 13 hours at ambient temperature；
（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 reacts 6 hours, and product is natural after repeatedly alternately being washed through distilled water and acetone
Dry, obtain Organic-inorganic composite gel micro-ball；
（5）By step（4）Composite gel microsphere is hybridly prepared into the aqueous solution that concentration is 6wt%, adds polyvinyl alcohol dissolving mixing
Uniformly, hydroxymethyl cellulose is added afterwards, fully after dissolving mixing, is dried in vacuum drying chamber, 60 DEG C of drying temperature,
Obtain this product.
Wherein, described acrylamide is nonionic monomer acrylamide.
Wherein, step（3）Described formaldehyde is mixed in 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 Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film, it is characterised in that be made up of the raw material of following weight portion：Third
Acrylamide 53-70 parts, bentonite 25-37 parts, distill appropriate amount of water, magnesium sulfate 11-23 parts, N, N '-methylene-bisacrylamide 5-
13 parts, dimethyl diallyl ammonium chloride 7-13 parts, ammonium persulfate 2-5 parts, acetone in proper, formaldehyde 47-58 parts, urea 47-58
Part, 5-12 parts of N, N, N', N'- tetramethylethylenediamine, sorbester p17 0.8-3 parts, hexamethylene 120-160 parts, appropriate hydrochloric acid solution,
Polyvinyl alcohol 16-33 parts, hydroxymethyl cellulose 9-14 parts.
2. a kind of preparation method of the native face getting fat water conservation liquid-state mulch film of Environmental-protection agricultural according to claims 1, it is special
Levy and be, 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 to the mixing of formaldehyde and urea
In liquid, pH value to 2-3 is adjusted with hydrochloric acid solution, it is fully swelling 10-15 hours at ambient temperature；
（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, by constant to 45-65 DEG C of system temperature, reaction 4-7 hours, product repeatedly replaces through distilled water and acetone
Dried naturally after washing, obtain Organic-inorganic composite gel micro-ball；
（5）By step（4）Composite gel microsphere is hybridly prepared into the aqueous solution that concentration is 2-10wt%, adds polyvinyl alcohol dissolving
It is well mixed, hydroxymethyl cellulose is added afterwards, fully after dissolving mixing, it is dried in vacuum drying chamber, drying temperature
50-80 DEG C, obtain this product.
3. a kind of preparation method of the native face getting fat water conservation liquid-state mulch film of Environmental-protection agricultural according to claims 1,2, its
It is characterised by, described acrylamide is nonionic monomer acrylamide.
4. a kind of preparation method of the native face getting fat water conservation liquid-state mulch film of Environmental-protection agricultural according to claims 2, it is special
Levy and be, step（3）Described formaldehyde is mixed in 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 native face getting fat water conservation liquid-state mulch film of Environmental-protection agricultural according to claims 2,4, its
It is characterised by, described formalin and the initial concentration of urea liquid are 1.03mol/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095700.7A CN106883552A (en) | 2017-02-22 | 2017-02-22 | A kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095700.7A CN106883552A (en) | 2017-02-22 | 2017-02-22 | A kind of Environmental-protection agricultural soil face getting fat water conservation liquid-state mulch film and preparation method thereof |
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| CN106883552A true CN106883552A (en) | 2017-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181214A (en) * | 2018-09-28 | 2019-01-11 | 陈太师 | A kind of getting fat is retained the preparation method of degradable liquid-state mulch film |
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| CN109181214A (en) * | 2018-09-28 | 2019-01-11 | 陈太师 | A kind of getting fat is retained the preparation method of degradable liquid-state mulch film |
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