CN109868678A - A kind of plant fiber mulch paper and preparation method thereof - Google Patents
A kind of plant fiber mulch paper and preparation method thereof Download PDFInfo
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- CN109868678A CN109868678A CN201711258753.2A CN201711258753A CN109868678A CN 109868678 A CN109868678 A CN 109868678A CN 201711258753 A CN201711258753 A CN 201711258753A CN 109868678 A CN109868678 A CN 109868678A
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Abstract
A kind of plant fiber mulch paper and preparation method thereof, mulch paper have good wet tensile (strength), tensile strength, tearability, bursting strength, water-resistance index.True qualities mulch paper is made of using plant fiber, itself is degradable, free from environmental pollution.By field experiment, paper mulch film moisture-keeping, inhibits weeds to work well at soil moisture conservation, and covering cycle was up to 3-4 months；The alternative existing plastic film on the market of true qualities mulch paper, can solve the problems, such as that plastic film is difficult to degrade, pollutes environment.
Description
Technical field
The invention belongs to agricultural crop straw utilization technology, it is related to a kind of plant fiber mulch paper and preparation method thereof.
Background technique
With the continuous development of agricultural production, use the scale of plastic film also increasing in rural area, agricultural mulching one
As using the plastics blow moldings forming such as polyvinyl chloride, be a kind of very thin film.Highly difficult, exhausted big portion is recycled after agricultural mulching use
Divide and discard in farmland, cannot degrade for a long time, polluted environment.In addition, the degredation plastic mulch produced at present using when have
A large amount of plastic particles enter soil, can so destroy soil texture, will affect agricultural production over time.
Summary of the invention
The object of the present invention is to provide a kind of true qualities mulch paper, the alternative existing plastic film on the market of the mulch can be solved
Certainly plastic film is difficult to degrade, pollutes the problem of environment.
Technical solution of the present invention:
A kind of preparation method of plant fiber mulch paper, its step are as follows:
1) ammonium sulfite is added in the grass raw material handled well and carries out boiling, wherein ammonium sulfite dosage is over dry material quantity
10-25%, liquor ratio 1:2.5-10 are passed through steam and are heated, and heat up 150-185 DEG C, keep the temperature 120-220 minutes；
2) straw pulp made from boiling is mixed in proportion with commercial wood pulp, mixed proportion: straw pulp 65-85%, wood pulp 15-35%, it will
Mixed slurry enters mill and carries out defibrination, while the wet strength agent auxiliary agent of 2-10% is added, and enhances wet strength；
3) slurry of milled is entered into fan pump, before entry plus 2-10%AKD auxiliary agent, enhancing water repelling property obtain copy paper slurry；
4) copy paper slurry is sent to paper machine and carries out copy paper, produce mulch paper.
Prepared paper mulch is quantitative: 30.0-90.0 g/m2；Horizontal tensile index 10-30N.m/g indulges tensile index
20-40N.m/g, horizontal wet tensile index 4-10N.m/g, indulges wet tensile index 6-15N.m/g, lateral tear index 4-12mN.m2 /
G, longitudinal tear index 4-10mN.m2 / g, burst index 1.5-5kPa. m2/ g, Surface absorption 10-30 g/ m2
The grass raw material is one of wheat straw, straw, cotton stalk, corn stover, reed or more than one mixing.
Boiling vessel used in the present invention includes rotary spherical digester, vertical digester and continuous steamer.
Specific embodiment
Embodiment 1:
Wheat straw after stock is sent into rotary spherical digester, and the ammonium sulfite of over dry material quantity 10%, liquor ratio 1:4 is then added, and wheat straw is filled
It dallies 20 minutes afterwards, later, leads to steam and carry out primary heating heating, be warming up to 100 DEG C, keep the temperature 20 minutes at this temperature, so
Afterwards, carry out secondary temperature elevation, heat up 30 minutes to 165 DEG C, keep the temperature 60 minutes, obtain the thick slurry of permanganate number 18, to slightly starch into
Row black liquid extraction, pulp washing obtain the clean slurry that concentration is 9%.Clean slurry is entered into mill and carries out defibrination, while being added 4%
Wet strength agent, the wet strength of strengthening slurry.
The slurry of milled is entered into fan pump, before entry plus 4% AKD auxiliary agent, enhance water repelling property, obtain copy paper slurry,
Then copy paper is carried out, the production of mulch paper is completed.
Embodiment 2:
Straw after stock is sent into rotary spherical digester, and the ammonium sulfite of over dry material quantity 12%, liquor ratio 1:3 is then added, and straw is filled
It dallies 20 minutes afterwards, later, leads to steam and carry out primary heating heating, be warming up to 110 DEG C, keep the temperature 20 minutes at this temperature, so
Afterwards, carry out secondary temperature elevation, heat up 30 minutes to 175 DEG C, keep the temperature 60 minutes, obtain the thick slurry of permanganate number 16, to slightly starch into
Row black liquid extraction, pulp washing obtain the clean slurry that concentration is 8%.Clean slurry is entered into mill and carries out defibrination, while being added 5%
Wet strength agent, the wet strength of strengthening slurry.
The slurry of milled is entered into fan pump, before entry plus 5% AKD auxiliary agent, enhance water repelling property, obtain copy paper slurry,
Then copy paper is carried out, the production of mulch paper is completed.
Embodiment 3:
Cotton stalk after stock is sent into rotary spherical digester, and the ammonium sulfite of over dry material quantity 15%, liquor ratio 1:2.5, cotton stalk dress is then added
It dallies 20 minutes after full, later, leads to steam and carry out primary heating heating, be warming up to 120 DEG C, keep the temperature 20 minutes at this temperature,
Then, secondary temperature elevation is carried out, is heated up 30 minutes to 180 DEG C, 60 minutes is kept the temperature, obtains the thick slurry of permanganate number 16, to thick slurry
Black liquid extraction, pulp washing are carried out, the clean slurry that concentration is 7% is obtained.Clean slurry is entered into mill and carries out defibrination, is added simultaneously
4% wet strength agent, the wet strength of strengthening slurry.
The slurry of milled is entered into fan pump, before entry plus 4% AKD auxiliary agent, enhance water repelling property, obtain copy paper slurry,
Then copy paper is carried out, the production of mulch paper is completed.
Embodiment 4:
Reed after stock is sent into rotary spherical digester, and the ammonium sulfite of over dry material quantity 11%, liquor ratio 1:4 is then added, and reed is filled
It dallies 20 minutes afterwards, later, leads to steam and carry out primary heating heating, be warming up to 100 DEG C, keep the temperature 20 minutes at this temperature, so
Afterwards, carry out secondary temperature elevation, heat up 30 minutes to 165 DEG C, keep the temperature 60 minutes, obtain the thick slurry of permanganate number 18, to slightly starch into
Row black liquid extraction, pulp washing obtain the clean slurry that concentration is 8%.Clean slurry is entered into mill and carries out defibrination, while being added 5%
Wet strength agent, the wet strength of strengthening slurry.
The slurry of milled is entered into fan pump, before entry plus 5% AKD auxiliary agent, enhance water repelling property, obtain copy paper slurry,
Then copy paper is carried out, the production of mulch paper is completed.
Claims (4)
1. a kind of plant fiber mulch paper, it is characterised in that: the mulch paper is quantitative: 30.0-90.0 g/m2；Horizontal tensile index
10-30N.m/g indulges tensile index 20-40N.m/g, and horizontal wet tensile index 4-10N.m/g indulges wet tensile index 6-15N.m/g,
Lateral tear index 4-12mN.m2 / g, longitudinal tear index 4-10mN.m2 / g, burst index 1.5-5kPa. m2/ g, surface are inhaled
Receive 10-30 g/ m2 。
2. a kind of preparation method of plant fiber mulch paper according to claim 1, technical characteristic include:
Ammonium sulfite is added in the grass raw material handled well and carries out boiling, wherein ammonium sulfite dosage is over dry material quantity
10-25%, liquor ratio 1:2.5-10 are passed through steam and are heated, and heat up 150-185 DEG C, keep the temperature 120-220 minutes, obtain slurry；
Straw pulp made from boiling is mixed in proportion with commercial wood pulp, mixed proportion: straw pulp 65-85%, wood pulp 15-35% will be mixed
Slurry after conjunction enters mill and carries out defibrination, while the wet strength agent auxiliary agent of 2-10% is added, and enhances wet strength；
The slurry of milled is entered into fan pump, before entry plus 2-10%AKD auxiliary agent, enhancing water repelling property obtain copy paper slurry；
Copy paper slurry is sent to paper machine and carries out copy paper, produces mulch paper.
3. a kind of plant fiber mulch paper according to claim 1, it is characterised in that: the grass raw material is wheat
One of grass, straw, cotton stalk, corn stover, reed or more than one mixing.
4. according to the method described in claim 2, it is characterized in that the grass raw material is placed on boiling when heat temperature raising
In device, the boiling vessel includes rotary spherical digester, vertical digester and continuous steamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258753.2A CN109868678A (en) | 2017-12-04 | 2017-12-04 | A kind of plant fiber mulch paper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258753.2A CN109868678A (en) | 2017-12-04 | 2017-12-04 | A kind of plant fiber mulch paper and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109868678A true CN109868678A (en) | 2019-06-11 |
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| CN201711258753.2A Pending CN109868678A (en) | 2017-12-04 | 2017-12-04 | A kind of plant fiber mulch paper and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111699895A (en) * | 2020-07-16 | 2020-09-25 | 东北农业大学 | Rice straw fiber-based insect-proof type full-degradable mulching film for cigarettes and manufacturing method thereof |
| CN111733627A (en) * | 2020-07-16 | 2020-10-02 | 东北农业大学 | Wheat straw fiber-based insect-proof type full-degradable mulching film for cigarettes and manufacturing method thereof |
| CN112663396A (en) * | 2020-12-16 | 2021-04-16 | 江西中竹生物质科技有限公司 | Production process of paper mulching film |
| CN112982026A (en) * | 2021-02-05 | 2021-06-18 | 西藏俊富环境恢复有限公司 | Plant fiber-based controllable water permeable material and preparation method thereof |
| CN113089382A (en) * | 2021-03-12 | 2021-07-09 | 海南大学 | Self-gluing fully-degradable organic covering pad and manufacturing method thereof |
| CN114232377A (en) * | 2021-12-03 | 2022-03-25 | 黑龙江进化树生物科技有限公司 | Method for producing degradable mulching film by using crop straws |
| CN115772820A (en) * | 2022-12-08 | 2023-03-10 | 山鹰纸业(吉林)有限公司 | Agricultural mulching film prepared from high-yield straw fibers and method thereof |
-
2017
- 2017-12-04 CN CN201711258753.2A patent/CN109868678A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111699895A (en) * | 2020-07-16 | 2020-09-25 | 东北农业大学 | Rice straw fiber-based insect-proof type full-degradable mulching film for cigarettes and manufacturing method thereof |
| CN111733627A (en) * | 2020-07-16 | 2020-10-02 | 东北农业大学 | Wheat straw fiber-based insect-proof type full-degradable mulching film for cigarettes and manufacturing method thereof |
| CN112663396A (en) * | 2020-12-16 | 2021-04-16 | 江西中竹生物质科技有限公司 | Production process of paper mulching film |
| CN112982026A (en) * | 2021-02-05 | 2021-06-18 | 西藏俊富环境恢复有限公司 | Plant fiber-based controllable water permeable material and preparation method thereof |
| CN113089382A (en) * | 2021-03-12 | 2021-07-09 | 海南大学 | Self-gluing fully-degradable organic covering pad and manufacturing method thereof |
| CN113089382B (en) * | 2021-03-12 | 2022-08-09 | 海南大学 | Self-gluing fully-degradable organic covering pad and manufacturing method thereof |
| CN114232377A (en) * | 2021-12-03 | 2022-03-25 | 黑龙江进化树生物科技有限公司 | Method for producing degradable mulching film by using crop straws |
| CN115772820A (en) * | 2022-12-08 | 2023-03-10 | 山鹰纸业(吉林)有限公司 | Agricultural mulching film prepared from high-yield straw fibers and method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190611 |
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| WD01 | Invention patent application deemed withdrawn after publication |