CN108998035A - A kind of New macromolecule fiber composite material suitable for land control - Google Patents
A kind of New macromolecule fiber composite material suitable for land control Download PDFInfo
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- CN108998035A CN108998035A CN201810727754.5A CN201810727754A CN108998035A CN 108998035 A CN108998035 A CN 108998035A CN 201810727754 A CN201810727754 A CN 201810727754A CN 108998035 A CN108998035 A CN 108998035A
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- polyacrylamide
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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
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/20—Vinyl polymers
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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
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/16—Soil-conditioning materials or soil-stabilising materials containing organic compounds only applied in a physical form other than a solution or a grout, e.g. as platelets or granules
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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
- C09K2105/00—Erosion prevention
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The New macromolecule fiber composite material that the present invention provides a kind of suitable for land control, the fiber composite new material is polyacrylamide particle, the particle size is 0.1-1.0mm, and preparation method includes the following steps, (1) polyacrylamide polymerization；(2) polyacrylamide is dry；(3) polyacrylamide is granulated；(4) polyacrylamide particle is dry；(5) polyacrylamide particle is ground, and New macromolecule fiber composite material provided by the invention can firmly adsorb various elements ion in soil, organic matter and moisture, and soil function is assisted slowly to improve.
Description
Technical field
The present invention relates to land controls and macromolecular fibre technical field of composite materials, and in particular to one kind is suitable for soil
New macromolecule fiber composite material in regulation.
Background technique
Human production activity is to the generation of soil desertification and prevents from having a significant impact.Due to it is unreasonable herd, gather firewood adopt and
It opens up wasteland, seriously destroys the natural vegetation of original sand ground, can lead to soil desertification and tend to seriously, accelerate desertification process.Prevent soil
A problem that measure that earth desertifies is slightly loose primarily directed to soil property, and wind erosion is serious, easily drought easily heat, leak leakage fertilizer, thin and weak, makes me
Home it is more uncultivated.Soil desertification will lead to soil and produce output drop, and world population is numerous, and is also constantly increasing
It is long, so our times faces serious food shortage problem.So needing to repair prone soil.
Summary of the invention
In view of the deficiencies of the prior art, the macromolecular fibre that the present invention provides a kind of suitable for land control is compound new
Material, the fiber composite new material are polyacrylamide particle, and the particle size is 0.1-1.0mm, preparation method packet
Include following steps,
(1) dispersion stabilizer and acrylamide monomer polyacrylamide polymerization: are added to room temperature in the medium of methanol/water
Stirring；Reactor is in thermometer, constant speed stirrer and 250ml four-neck flask with condenser pipe；Control certain temperature simultaneously
It is passed through nitrogen bubbling, initiator is added after being bubbled 20-30min, stirs 8-10h under nitrogen atmosphere；After reaction, cooling to lotion
It to room temperature, then filters, washing is dried；
(2) polyacrylamide is dry: the polyacrylamide of washes clean in step (1) being put into drying box dry to mistake
Water is 45-55%；
(3) polyacrylamide is granulated: once being made in the polyacrylamide push-in kneader after will be dry in step (2)
Grain obtains partial size in the particle of 10-30mm, these particles are sent into single screw rod pelletizer and carry out secondary granulation, secondary granulation partial size
For 7-8mm；
(4) polyacrylamide particle is dry: the particle prepared in step (3) being put into drying box dry until poly- third
Water content≤5% in acrylamide particle；
(5) polyacrylamide particle is ground: the polyacrylamide particle prepared in step (4) being ground, 18- is filtered out
The particle of 140 mesh.
Preferably, methanol/water mass ratio is 1:1 in above-mentioned steps (1).
Preferably, above-mentioned polyacrylamide particle partial size is 0.1-0.5mm.
Preferably, polymerization temperature is 80-95 DEG C in above-mentioned steps (1).
Preferably, it is successively respectively washed three times using methanol and deionized water in above-mentioned steps (1).
Preferably, dispersing agent is polyethylene in above-mentioned steps (1).
Preferably, above-mentioned pelletizer works at normal temperature.
Preferably, mass ratio is 2:3 between above-mentioned macromolecular fibre composite material and soil.
The invention has the advantages that:
Polyacrylamide water suction with super strength and water lock ability, polyacrylamide particle partial size is 0.1-0.5mm, with soil
Earth particle is that after 2:3 is used in mixed way, can firmly adsorb various elements ion in soil, organic matter and moisture according to mass ratio
Firmly, when soil moisture, metallic element and organic matter are all rich in, soil can slowly improve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with implementation of the invention
Example, technical scheme in the embodiment of the invention is clearly and completely described.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to protection of the present invention
Range.
Embodiment 1:
The present invention provides a kind of New macromolecule fiber composite material suitable for land control, the fiber composite green wood
Material is polyacrylamide particle, and the particle size is 0.1mm, and preparation method includes the following steps,
(1) polyacrylamide polymerization: by dispersion stabilizer and acrylamide monomer be added to mass ratio be 1:1 methanol/
Stirring at normal temperature in the medium of water.Reactor is in thermometer, constant speed stirrer and 250ml four-neck flask with condenser pipe；Control
Temperature processed is 80-95 DEG C and is passed through nitrogen bubbling, and initiator is added after being bubbled 20-30min, stirs 8-10h under nitrogen atmosphere.Reaction
After, it is cooled to room temperature to lotion, then filters, successively respectively wash and dry afterwards three times using methanol and deionized water；
(2) polyacrylamide is dry: the polyacrylamide of washes clean in step (1) being put into drying box dry to mistake
Water is 45-55%；
(3) polyacrylamide is granulated: once being made in the polyacrylamide push-in kneader after will be dry in step (2)
Grain obtains partial size in the particle of 10-30mm, these particles are sent into single screw rod pelletizer and carry out secondary granulation, secondary granulation partial size
For 7-8mm；
(4) polyacrylamide particle is dry: the particle prepared in step (3) being put into drying box dry until poly- third
Water content≤5% in acrylamide particle；
(5) polyacrylamide particle is ground: the polyacrylamide particle prepared in step (4) being ground, 140 mesh are filtered out
Particle.
Embodiment 2
The present invention provides a kind of New macromolecule fiber composite material suitable for land control, the fiber composite green wood
Material is polyacrylamide particle, and the particle size is 0.3mm, and preparation method includes the following steps,
(1) polyacrylamide polymerization: by dispersion stabilizer and acrylamide monomer be added to mass ratio be 1:1 methanol/
Stirring at normal temperature in the medium of water.Reactor is in thermometer, constant speed stirrer and 250ml four-neck flask with condenser pipe；Control
Temperature processed is 80-95 DEG C and is passed through nitrogen bubbling, and initiator is added after being bubbled 20-30min, stirs 8-10h under nitrogen atmosphere.Reaction
After, it is cooled to room temperature to lotion, then filters, successively respectively wash and dry afterwards three times using methanol and deionized water；
(2) polyacrylamide is dry: the polyacrylamide of washes clean in step (1) being put into drying box dry to mistake
Water is 45-55%；
(3) polyacrylamide is granulated: once being made in the polyacrylamide push-in kneader after will be dry in step (2)
Grain obtains partial size in the particle of 10-30mm, these particles are sent into single screw rod pelletizer and carry out secondary granulation, secondary granulation partial size
For 7-8mm；
(4) polyacrylamide particle is dry: the particle prepared in step (3) being put into drying box dry until poly- third
Water content≤5% in acrylamide particle；
(5) polyacrylamide particle is ground: the polyacrylamide particle prepared in step (4) being ground, 50 mesh are filtered out
Particle.
Embodiment 3
The present invention provides a kind of New macromolecule fiber composite material suitable for land control, the fiber composite green wood
Material is polyacrylamide particle, and the particle size is 0.5mm, and preparation method includes the following steps,
(1) polyacrylamide polymerization: by dispersion stabilizer and acrylamide monomer be added to mass ratio be 1:1 methanol/
Stirring at normal temperature in the medium of water.Reactor is in thermometer, constant speed stirrer and 250ml four-neck flask with condenser pipe；Control
Temperature processed is 80-95 DEG C and is passed through nitrogen bubbling, and initiator is added after being bubbled 20-30min, stirs 8-10h under nitrogen atmosphere.Reaction
After, it is cooled to room temperature to lotion, then filters, successively respectively wash and dry afterwards three times using methanol and deionized water；
(2) polyacrylamide is dry: the polyacrylamide of washes clean in step (1) being put into drying box dry to mistake
Water is 45-55%；
(3) polyacrylamide is granulated: once being made in the polyacrylamide push-in kneader after will be dry in step (2)
Grain obtains partial size in the particle of 10-30mm, these particles are sent into single screw rod pelletizer and carry out secondary granulation, secondary granulation partial size
For 7-8mm；
(4) polyacrylamide particle is dry: the particle prepared in step (3) being put into drying box dry until poly- third
Water content≤5% in acrylamide particle；
(5) polyacrylamide particle is ground: the polyacrylamide particle prepared in step (4) being ground, 35 mesh are filtered out
Particle.
Embodiment 4
The present invention provides a kind of New macromolecule fiber composite material suitable for land control, the fiber composite green wood
Material is polyacrylamide particle, and the particle size is 0.7mm, and preparation method includes the following steps,
(1) polyacrylamide polymerization: by dispersion stabilizer and acrylamide monomer be added to mass ratio be 1:1 methanol/
Stirring at normal temperature in the medium of water.Reactor is in thermometer, constant speed stirrer and 250ml four-neck flask with condenser pipe；Control
Temperature processed is 80-95 DEG C and is passed through nitrogen bubbling, and initiator is added after being bubbled 20-30min, stirs 8-10h under nitrogen atmosphere.Reaction
After, it is cooled to room temperature to lotion, then filters, successively respectively wash and dry afterwards three times using methanol and deionized water；
(2) polyacrylamide is dry: the polyacrylamide of washes clean in step (1) being put into drying box dry to mistake
Water is 45-55%；
(3) polyacrylamide is granulated: once being made in the polyacrylamide push-in kneader after will be dry in step (2)
Grain obtains partial size in the particle of 10-30mm, these particles are sent into single screw rod pelletizer and carry out secondary granulation, secondary granulation partial size
For 7-8mm；
(4) polyacrylamide particle is dry: the particle prepared in step (3) being put into drying box dry until poly- third
Water content≤5% in acrylamide particle；
(5) polyacrylamide particle is ground: the polyacrylamide particle prepared in step (4) being ground, 25 mesh are filtered out
Particle.
Embodiment 5
The present invention provides a kind of New macromolecule fiber composite material suitable for land control, the fiber composite green wood
Material is polyacrylamide particle, and the particle size is 1.0mm, and preparation method includes the following steps,
(1) polyacrylamide polymerization: by dispersion stabilizer and acrylamide monomer be added to mass ratio be 1:1 methanol/
Stirring at normal temperature in the medium of water.Reactor is in thermometer, constant speed stirrer and 250ml four-neck flask with condenser pipe；Control
Temperature processed is 80-95 DEG C and is passed through nitrogen bubbling, and initiator is added after being bubbled 20-30min, stirs 8-10h under nitrogen atmosphere.Reaction
After, it is cooled to room temperature to lotion, then filters, successively respectively wash and dry afterwards three times using methanol and deionized water；
(2) polyacrylamide is dry: the polyacrylamide of washes clean in step (1) being put into drying box dry to mistake
Water is 45-55%；
(3) polyacrylamide is granulated: once being made in the polyacrylamide push-in kneader after will be dry in step (2)
Grain obtains partial size in the particle of 10-30mm, these particles are sent into single screw rod pelletizer and carry out secondary granulation, secondary granulation partial size
For 7-8mm；
(4) polyacrylamide particle is dry: the particle prepared in step (3) being put into drying box dry until poly- third
Water content≤5% in acrylamide particle；
(5) polyacrylamide particle is ground: the polyacrylamide particle prepared in step (4) being ground, 18 mesh are filtered out
Particle.
1 polyacrylamide particle of table influences water content in soil
Polyacrylamide particle prepared in embodiment 1 is uniformly mixed with soil according to mass ratio for 1:10, together
When choose the soil that mix with polyacrylamide particle of areal soil as a control group, measurement different depth soil respectively
Moisture content, the results are shown in Table 1.As shown in Table 1, polyacrylamide particle can be improved soil moisture content.Wherein
In topsoil, polyacrylamide assists water lock function to be just more obvious.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of New macromolecule fiber composite material suitable for land control, which is characterized in that the fiber composite green wood
Material is polyacrylamide particle, and the particle size is 0.1-1.0mm, and preparation method includes the following steps,
(1) polyacrylamide polymerization: dispersion stabilizer and acrylamide monomer are added to room temperature in the medium of methanol/water and stirred
It mixes；Reactor is in thermometer, constant speed stirrer and 250ml four-neck flask with condenser pipe；It controls certain temperature and leads to
Enter nitrogen bubbling, initiator is added after being bubbled 20-30min, stirs 8-10h under nitrogen atmosphere；After reaction, it is cooled to lotion
Then room temperature filters, washing is dried；
(2) polyacrylamide is dry: the polyacrylamide of washes clean in step (1) being put into drying box and is dried to fluid loss
For 45-55%；
(3) polyacrylamide is granulated: it is once granulated in the polyacrylamide push-in kneader after will be dry in step (2),
Partial size is obtained in the particle of 10-30mm, these particles are sent into single screw rod pelletizer and carry out secondary granulation, and secondary granulation partial size is 7-
8mm；
(4) polyacrylamide particle is dry: the particle prepared in step (3) being put into drying box dry until polyacrylamide
Water content≤5% in amine particle；
(5) polyacrylamide particle is ground: the polyacrylamide particle prepared in step (4) being ground, 18-140 mesh is filtered out
Particle.
2. the New macromolecule fiber composite material according to claim 1 suitable for land control, which is characterized in that institute
Stating methanol/water mass ratio in step (1) is 1:1.
3. the New macromolecule fiber composite material according to claim 1 suitable for land control, which is characterized in that institute
Stating polyacrylamide particle partial size is 0.1-0.5mm.
4. the New macromolecule fiber composite material according to claim 1 suitable for land control, which is characterized in that institute
Stating polymerization temperature in step (1) is 80-95 DEG C.
5. the New macromolecule fiber composite material according to claim 1 suitable for land control, which is characterized in that institute
It states in step (1) and is successively respectively washed three times using methanol and deionized water.
6. the New macromolecule fiber composite material according to claim 1 suitable for land control, which is characterized in that institute
Stating dispersing agent in step (1) is polyethylene.
7. the New macromolecule fiber composite material according to claim 1 suitable for land control, which is characterized in that institute
Pelletizer is stated to work at normal temperature.
8. the New macromolecule fiber composite material according to claim 1 suitable for land control, which is characterized in that institute
Stating mass ratio between macromolecular fibre composite material and soil is 2:3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810727754.5A CN108998035A (en) | 2018-07-05 | 2018-07-05 | A kind of New macromolecule fiber composite material suitable for land control |
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| CN201810727754.5A CN108998035A (en) | 2018-07-05 | 2018-07-05 | A kind of New macromolecule fiber composite material suitable for land control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110050681A (en) * | 2019-05-08 | 2019-07-26 | 北京市植物保护站 | A kind of tomato seedling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1139917A (en) * | 1951-01-28 | 1969-01-15 | Ni Fiz Khim I Im L J Karpova | Method of producing water-soluble polyacrylamide |
| US6395051B1 (en) * | 1997-07-18 | 2002-05-28 | Soil Enhancement Technologies Llc | Small particle polyacrylamide for soil conditioning |
| CN102060965A (en) * | 2009-11-11 | 2011-05-18 | 中国科学院理化技术研究所 | Preparation method of partially hydrolyzed polyacrylamide with improved temperature resistance and salt resistance |
| CN102382219A (en) * | 2011-08-17 | 2012-03-21 | 浙江工业大学 | Oversized porous crystal adhesive microspheres and preparation method thereof |
| CN102675509A (en) * | 2012-05-25 | 2012-09-19 | 安徽巨成精细化工有限公司 | Preparation method of nonionic polyacrylamide (NPAM) |
| CN103194241A (en) * | 2013-04-26 | 2013-07-10 | 潘志刚 | Polymer aggregation agent for high order aggregate spray seeding greening, and preparation method thereof |
-
2018
- 2018-07-05 CN CN201810727754.5A patent/CN108998035A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1139917A (en) * | 1951-01-28 | 1969-01-15 | Ni Fiz Khim I Im L J Karpova | Method of producing water-soluble polyacrylamide |
| US6395051B1 (en) * | 1997-07-18 | 2002-05-28 | Soil Enhancement Technologies Llc | Small particle polyacrylamide for soil conditioning |
| CN102060965A (en) * | 2009-11-11 | 2011-05-18 | 中国科学院理化技术研究所 | Preparation method of partially hydrolyzed polyacrylamide with improved temperature resistance and salt resistance |
| CN102382219A (en) * | 2011-08-17 | 2012-03-21 | 浙江工业大学 | Oversized porous crystal adhesive microspheres and preparation method thereof |
| CN102675509A (en) * | 2012-05-25 | 2012-09-19 | 安徽巨成精细化工有限公司 | Preparation method of nonionic polyacrylamide (NPAM) |
| CN103194241A (en) * | 2013-04-26 | 2013-07-10 | 潘志刚 | Polymer aggregation agent for high order aggregate spray seeding greening, and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张强: "《农业高科技温室工程项目规范化建设与管理实用手册 中》", 30 September 2003, 清华同方光盘电子出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110050681A (en) * | 2019-05-08 | 2019-07-26 | 北京市植物保护站 | A kind of tomato seedling method |
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