CN104620913A - Manufacturing method for plasticity rice straw fiber mulching films - Google Patents
Manufacturing method for plasticity rice straw fiber mulching films Download PDFInfo
- Publication number
- CN104620913A CN104620913A CN201510054421.7A CN201510054421A CN104620913A CN 104620913 A CN104620913 A CN 104620913A CN 201510054421 A CN201510054421 A CN 201510054421A CN 104620913 A CN104620913 A CN 104620913A
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- China
- Prior art keywords
- rice straw
- mulch film
- plasticity
- fiber
- straw fiber
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
Abstract
The invention discloses a manufacturing method for plasticity rice straw fiber mulching films, and belongs to the technology of crop straw utilization. A rice straw fiber mixing sizing agent obtained by working steps of material preparing, pulping and pulp matching is papermade to the mulching films, the mulching films are placed on a pressurization machine to be pressurized for 3 min, the pressure is 0.3 MPa, mulching film fiber is combined closely, then the mulching films are placed on a dryer to be dried at the temperature of 50 DEG C for 2 min, a PEG plasticizer solution with the concentration of 3% is sprayed on the surface of the mulching films in a uniform and saturating mode, natural drying is performed at room temperature, and the plasticity rice straw fiber mulching films are obtained. The method is simple in technology and easy to operate, the film formation rate is high, the mulching film brittleness is low, the plasticity is good, the elongation is big, the anti-breaking degree is high, working requirements of mechanization laying can be met, and the effects of grass restraining and heat preservation are good.
Description
Technical field
The invention belongs to agricultural crop straw and utilize technology, relate generally to a kind of preparation method of plasticity rice straw fiber mulch film.
Background technology
In recent years, manufacture degradable plant fiber mulch film with cheap and reproducible agricultural crop straw and start research and development.But drying out in dry run without the plant fiber mulch of plastics processing, there is amorphous region and crystal region edge moisture evaporates rapidly, cellulose macromolecule is drawn close gradually under hydrogen bond and van der Waals interaction, the hydrogen bond directly formed between cellulosic molecule increases gradually, intermolecular active force also strengthens greatly, needed for large point subsegment inward turning, activation energy increases, and causes distortion difficulty.Therefore, plant fiber mulch is macroscopically showing the larger feature of rigidity, as easily broken, crisp, quality is hard, inconvenience is brought to mechanical laying plastic, the large frangible mulch film of fragility can not fit tightly with earth's surface simultaneously, and heat insulation effect is not obvious, and damaged place also has weeds propagation and widespread.Above-mentioned technical matters are badly in need of being solved by further investigation, to promote that rice straw fiber mulch film obtains wide popularization and application in agricultural production.
Summary of the invention
Object of the present invention is exactly the technical problem existed for above-mentioned existing plant fiber mulch, research provides a kind of plasticity rice straw fiber mulch film preparation method, while making rice straw fiber mulch film intensity reach field laying technology requirement, improve the plasticity of mulch film, mulch film is made to reach better insulation, soil moisture conservation, press down careless effect, the overall performance of mulch film is promoted further, and field machinery of being simultaneously also more convenient for is laid.
The object of the present invention is achieved like this: a kind of step of plasticity rice straw fiber mulch film preparation method is: 1., get the raw materials ready: section shape rice straw being cut into 10cm, soak at room temperature 12h, adopts straw fiber preparing machine to be processed into rice straw raw fiber; 2., pull an oar: to step 1. in the rice straw raw fiber that obtains and KP pulpboard to pull an oar respectively 45 ° of SR; 3., with slurry: by step 2. in the KP plate of dry matter weight than 30% after making beating, 70% rice straw fiber two kinds of slurries mix after, in it, add sizing agent and wet strength agent, stir, obtain mixed slurry; 4. film production: step mixed slurry is 3. manufactured paper with pulp into mulch film, is quantitatively 80g/m
2mulch film is placed in 3min that pressuring machine pressurizes, pressure is 0.3MPa, mulch film fibre compact is combined, thereafter mulch film is placed on warm air drier, at 50 DEG C of temperature, dries 2min, evenly satisfy on the surface at mulch film and close the PEG plasticizer solution that spray concentration is 3%, at room temperature natural seasoning, obtains the plasticity rice straw fiber mulch film that tensile stretch is 1.95%, burst is 106KPa.
Present invention process process is simple, and be easy to operation, rate of film build is high, and mulch film plasticity is good, and fragility is low, and tensile stretch is large, and burst is high, and mechanical strength can meet mechanization and lay job requirements, presses down grass, high insulating effect.
Embodiment
Below embodiment of the present invention is described in detail.A kind of plasticity rice straw fiber mulch film preparation method, the step of described method is: 1., get the raw materials ready: section shape rice straw being cut into 10cm, soak at room temperature 12h, adopts straw fiber preparing machine to be processed into rice straw raw fiber; 2., pull an oar: to step 1. in the rice straw raw fiber that obtains and KP pulpboard to pull an oar respectively 45 ° of SR; 3., with slurry: by step 2. in the KP plate of dry matter weight than 30% after making beating, 70% rice straw fiber two kinds of slurries mix after, in it, add sizing agent and wet strength agent, stir, obtain mixed slurry; 4. film production: step mixed slurry is 3. manufactured paper with pulp into mulch film, is quantitatively 80g/m
2mulch film is placed in 3min that pressuring machine pressurizes, pressure is 0.3MPa, mulch film fibre compact is combined, thereafter mulch film is placed on warm air drier, at 50 DEG C of temperature, dries 2min, evenly satisfy on the surface at mulch film and close the PEG plasticizer solution that spray concentration is 3%, at room temperature natural seasoning, obtains the plasticity rice straw fiber mulch film that tensile stretch is 1.95%, burst is 106KPa.
The present invention is directed to the physical characteristic of rice straw fiber, by spraying the method for PEG plasticizer solution in mulch film manufacturing process, make full use of alcohols plasticizer and improve rice straw fiber mulch film plastic performance, rice straw fiber mulch film is had rate of film build is high, plasticity good, tensile stretch is large, burst is high, simultaneously intensity meet the features such as field laying technology requirement.
Community experiment in cultivation result shows, the mechanical strength of rice straw fiber mulch film can meet and adapt to do mechanization operation requirement completely, and tensile stretch and burst significantly improve, suppress weeds function admirable, soil is heated and crop yield Be very effective, and there is the function improving crop quality, dry land can be humidified, can economize on water in paddy field, degradablely can go back field, dry land about 40 days in crop growth period, about 20 days, paddy field, increase soil organic matter content, noresidue, pollution-free.
Claims (1)
1. a plasticity rice straw fiber mulch film preparation method, the step of described method is:
1., get the raw materials ready: section shape rice straw being cut into 10cm, soak at room temperature 12h, adopts
Rice straw raw fiber is processed into straw fiber preparing machine;
2., pull an oar: to step 1. in the rice straw raw fiber that obtains and KP pulpboard to pull an oar respectively 45 ° of SR;
3., with slurry: by step 2. in the KP plate of dry matter weight than 30% after making beating, 70% rice straw fiber two kinds of slurries mix after, in it, add sizing agent and wet strength agent, stir, obtain mixed slurry;
It is characterized in that:
4. film production: step mixed slurry is 3. manufactured paper with pulp into mulch film, is quantitatively 80g/m
2mulch film is placed in 3min that pressuring machine pressurizes, pressure is 0.3MPa, mulch film fibre compact is combined, thereafter mulch film is placed on warm air drier, at 50 DEG C of temperature, dries 2min, evenly satisfy on the surface at mulch film and close the PEG plasticizer solution that spray concentration is 3%, at room temperature natural seasoning, obtains the plasticity rice straw fiber mulch film that tensile stretch is 1.95%, burst is 106KPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054421.7A CN104620913A (en) | 2015-01-28 | 2015-01-28 | Manufacturing method for plasticity rice straw fiber mulching films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054421.7A CN104620913A (en) | 2015-01-28 | 2015-01-28 | Manufacturing method for plasticity rice straw fiber mulching films |
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| CN104620913A true CN104620913A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510054421.7A Pending CN104620913A (en) | 2015-01-28 | 2015-01-28 | Manufacturing method for plasticity rice straw fiber mulching films |
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| CN (1) | CN104620913A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505389A (en) * | 2018-03-28 | 2018-09-07 | 东北农业大学 | A kind of temperature-increasing type rice straw fiber base green mulch |
| CN110073869A (en) * | 2019-05-29 | 2019-08-02 | 东北农业大学 | A kind of tobacco stalk fiber base special type agricultural mulching and its manufacturing method |
| CN110326478A (en) * | 2019-07-17 | 2019-10-15 | 东北农业大学 | A kind of crop branch fiber base special type agricultural mulching and its manufacturing method |
| CN110835867A (en) * | 2019-11-14 | 2020-02-25 | 江苏省农业科学院 | Preparation method and application of high-toughness straw fiber-based weed suppression mulching film |
| 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 |
| CN114934405A (en) * | 2021-11-17 | 2022-08-23 | 甘肃农业大学 | Whole flax straw biological matrix paper mulching film, cow dung base paper mulching film and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505389A (en) * | 2018-03-28 | 2018-09-07 | 东北农业大学 | A kind of temperature-increasing type rice straw fiber base green mulch |
| CN110073869A (en) * | 2019-05-29 | 2019-08-02 | 东北农业大学 | A kind of tobacco stalk fiber base special type agricultural mulching and its manufacturing method |
| CN110326478A (en) * | 2019-07-17 | 2019-10-15 | 东北农业大学 | A kind of crop branch fiber base special type agricultural mulching and its manufacturing method |
| CN110835867A (en) * | 2019-11-14 | 2020-02-25 | 江苏省农业科学院 | Preparation method and application of high-toughness straw fiber-based weed suppression mulching film |
| CN110835867B (en) * | 2019-11-14 | 2021-08-13 | 江苏省农业科学院 | Preparation method and application of high-toughness straw fiber-based weed suppression mulching film |
| 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 |
| CN114934405A (en) * | 2021-11-17 | 2022-08-23 | 甘肃农业大学 | Whole flax straw biological matrix paper mulching film, cow dung base paper mulching film and preparation method thereof |
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Application publication date: 20150520 |
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