CN110938255A - Special mulching film easy to recycle in cotton small farmer planting mode - Google Patents
Special mulching film easy to recycle in cotton small farmer planting mode Download PDFInfo
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- CN110938255A CN110938255A CN201911315996.4A CN201911315996A CN110938255A CN 110938255 A CN110938255 A CN 110938255A CN 201911315996 A CN201911315996 A CN 201911315996A CN 110938255 A CN110938255 A CN 110938255A
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- A01G13/0275—Films
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- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2423/30—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by oxidation
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- 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
- C08J2429/00—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 at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C08J2431/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
- C08J2431/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
- C08J2431/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Protection Of Plants (AREA)
Abstract
The invention discloses an easily-recycled special mulching film in a cotton small farmer planting mode, which is prepared from the following raw materials: polyethylene, polyvinyl alcohol, oxidized polyethylene wax, a silane coupling agent, activated carbon powder, glyceryl stearate, tolidine, calcium stearate, an ethylene-vinyl acetate copolymer, magnesium borate whisker and a rare earth coupling agent. The invention has the beneficial effects that: the easily-recycled special mulching film in the cotton small farmer planting mode greatly improves the recovery rate of the cotton mulching film by adjusting the composition of the mulching film, effectively increases the toughness of the mulching film, reduces the planting cost of the cotton small farmer planting, can be repeatedly used for eight years, can be recycled by 100 percent after being used, has excellent acid and alkali corrosion resistance, low air permeability and low water permeability, is an ideal material for fertilizer conservation, heat preservation and soil moisture conservation, can accelerate the growth and development of crops, achieves high yield and harvest and improves the economic benefit.
Description
Technical Field
The invention relates to the technical field of agricultural mulching films, in particular to an easily-recycled special mulching film in a small cotton farmer planting mode.
Background
Mulching film, i.e., ground covering film, is usually a transparent or black PE film, and also has green and silver films, and is used for ground covering to increase the temperature of soil, maintain the moisture of soil, maintain the soil structure, prevent pests from attacking crops and diseases caused by certain microorganisms, etc., and promote the growth of plants.
Cotton is an important economic crop, and has important significance for developing cotton planting as an important raw material in textile industry, light industry, chemical industry, medicine and national defense industry. In the process of planting cotton, plastic film mulching cultivation is a common cultivation mode, has the effects of preserving heat and increasing temperature, preserving and improving soil moisture, protecting soil structure and the like, and has great significance for promoting stable yield and high yield of cotton planting.
Disclosure of Invention
The invention aims to provide the special mulching film which is easy to recycle and has a small cotton farmer planting mode, aiming at the defects in the prior art.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the easily-recycled special mulching film in the cotton small farmer planting mode is prepared from the following raw materials in parts by weight:
750 parts of 600-750 parts of polyethylene, 30-60 parts of polyvinyl alcohol, 20-40 parts of oxidized polyethylene wax, 10-20 parts of a silane coupling agent, 20-50 parts of activated carbon powder, 1-15 parts of glyceryl stearate, 1-3 parts of tolmetone, 2-10 parts of calcium stearate, 0-10 parts of ethylene-vinyl acetate copolymer, 3-5 parts of magnesium borate whisker and 5-10 parts of a rare earth coupling agent.
Further, the easily-recycled special mulching film in the cotton small farmer planting mode is prepared from the following raw materials in parts by weight:
700 parts of polyethylene, 45 parts of polyvinyl alcohol, 30 parts of oxidized polyethylene wax, 15 parts of a silane coupling agent, 40 parts of activated carbon powder, 8 parts of glyceryl stearate, 2 parts of tolidine, 6 parts of calcium stearate, 5 parts of an ethylene-vinyl acetate copolymer, 4 parts of magnesium borate whisker and 8 parts of a rare earth coupling agent.
Further, the special mulching film easy to recycle in the cotton small farmer planting mode is characterized in that the polyethylene is linear low-density polyethylene.
Furthermore, the special mulching film easy to recycle in the cotton small farmer planting mode is characterized in that the polyvinyl alcohol is high-viscosity polyvinyl alcohol.
Furthermore, in the easily-recycled special mulching film in the cotton small farmer planting mode, the silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
Furthermore, in the easily-recycled special mulching film in the cotton small farmer planting mode, the ethylene-vinyl acetate copolymer is ethylene-vinyl acetate copolymer emulsion with the vinyl acetate content of 70-95%.
The invention has the beneficial effects that: the easily-recycled special mulching film in the cotton small farmer planting mode greatly improves the recovery rate of the cotton mulching film by adjusting the composition of the mulching film, effectively increases the toughness of the mulching film, reduces the planting cost of the cotton small farmer planting, can be repeatedly used for eight years, can be recycled by 100 percent after being used, has excellent acid and alkali corrosion resistance, low air permeability and low water permeability, is an ideal material for fertilizer conservation, heat preservation and soil moisture conservation, can accelerate the growth and development of crops, achieves high yield and harvest and improves the economic benefit.
Detailed Description
Example 1:
the easily-recycled special mulching film in the cotton small farmer planting mode is prepared from the following raw materials:
600g of polyethylene, 30g of polyvinyl alcohol, 20g of oxidized polyethylene wax, 10g of a silane coupling agent, 20g of activated carbon powder, 1g of glyceryl stearate, 1g of tolidine, 2g of calcium stearate, 3g of magnesium borate whisker and 5g of a rare earth coupling agent.
The polyethylene is linear low density polyethylene.
The polyvinyl alcohol is high-viscosity polyvinyl alcohol.
The silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The ethylene-vinyl acetate copolymer is ethylene-vinyl acetate copolymer emulsion with the vinyl acetate content of 70-95%.
Example 2:
the easily-recycled special mulching film in the cotton small farmer planting mode is prepared from the following raw materials:
750g of polyethylene, 60g of polyvinyl alcohol, 40g of oxidized polyethylene wax, 20g of a silane coupling agent, 50g of activated carbon powder, 15g of glyceryl stearate, 3g of xylene ketone, 10g of calcium stearate, 10g of an ethylene-vinyl acetate copolymer, 5g of magnesium borate whisker and 10g of a rare earth coupling agent.
The polyethylene is linear low density polyethylene.
The polyvinyl alcohol is high-viscosity polyvinyl alcohol.
The silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The ethylene-vinyl acetate copolymer is ethylene-vinyl acetate copolymer emulsion with the vinyl acetate content of 70-95%.
Example 3:
the easily-recycled special mulching film in the cotton small farmer planting mode is prepared from the following raw materials:
700g of polyethylene, 45g of polyvinyl alcohol, 30g of oxidized polyethylene wax, 15g of a silane coupling agent, 40g of activated carbon powder, 8g of glyceryl stearate, 2g of tolidine, 6g of calcium stearate, 5g of an ethylene-vinyl acetate copolymer, 4g of magnesium borate whisker and 8g of a rare earth coupling agent.
The polyethylene is linear low density polyethylene.
The polyvinyl alcohol is high-viscosity polyvinyl alcohol.
The silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The ethylene-vinyl acetate copolymer is ethylene-vinyl acetate copolymer emulsion with the vinyl acetate content of 70-95%.
Example 4:
firstly, the detection requirements needed by agricultural and agricultural technology cultivation are as follows:
① test types
A: vegetable planting in protected agriculture
B: cotton planting
② detecting content
A: soil temperature, humidity and soil microorganism number of plough layer before film covering.
B: the above values were measured quarterly after coating and the changes were recorded in detail and compared with the ordinary membrane.
C: growth data were measured monthly for the planted crops and compared with the same period of time for the same area covered with ordinary mulch film.
D: after the crops are mature, the measured yield value is used as a yield value, and the yield of the crops planted in the same area by using the common film is compared.
E: after the mulching film is collected and stored, the temperature, the humidity and the microbial value of the cultivated land are detected and recorded.
F: the altitude, annual average rainfall and climate data of the test area are provided.
And G, requiring agricultural rings and agricultural skills in the test area to record the climate conditions and rainfall conditions in the area monthly.
The above tests require five years of continuous testing, with the costs being provided by the gold land.
Secondly, the detection requirements needed by agricultural film manufacturing enterprises are as follows:
① before film covering, the mulching film has various physical indexes.
② after film covering, sampling in the field every month to detect the physical index decrease value.
③ and the like to continuously detect the five-year value.
④ when the cover period is in the case of extreme high temperature, cooling, hail, etc., the physical index is sampled and detected.
Example 5:
the detection data of the easily-recycled special mulching film in the cotton small farmer planting mode in the embodiment 3 are shown in table 1.
TABLE 1
| Special mulching film easy to recycle cotton | |
| Thickness (mm) | 0.010-0.030 |
| Width (m) | 1.25-2.05 |
| Elongation at Break (%) | 2.3-6.8 |
| Weathering period (sky) | 180-360 |
| Right angle tear load (kn/m) | 1.0-4.9 |
| Recovery (%) | 100 |
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The easily-recycled special mulching film in a cotton small farmer planting mode is characterized by being prepared from the following raw materials in parts by weight:
750 parts of 600-750 parts of polyethylene, 30-60 parts of polyvinyl alcohol, 20-40 parts of oxidized polyethylene wax, 10-20 parts of a silane coupling agent, 20-50 parts of activated carbon powder, 1-15 parts of glyceryl stearate, 1-3 parts of tolmetone, 2-10 parts of calcium stearate, 0-10 parts of ethylene-vinyl acetate copolymer, 3-5 parts of magnesium borate whisker and 5-10 parts of a rare earth coupling agent.
2. The easily-recycled special mulching film in a cotton small farmer planting mode according to claim 1 is prepared from the following raw materials in parts by weight:
700 parts of polyethylene, 45 parts of polyvinyl alcohol, 30 parts of oxidized polyethylene wax, 15 parts of a silane coupling agent, 40 parts of activated carbon powder, 8 parts of glyceryl stearate, 2 parts of tolidine, 6 parts of calcium stearate, 5 parts of an ethylene-vinyl acetate copolymer, 4 parts of magnesium borate whisker and 8 parts of a rare earth coupling agent.
3. The easy-to-recycle special mulching film for cotton small farmer planting pattern according to claim 1 or 2, wherein the polyethylene is linear low density polyethylene.
4. The easily-recycled special mulching film for the cotton small farmer planting mode according to claim 1 or 2, wherein the polyvinyl alcohol is high-viscosity polyvinyl alcohol.
5. The easily recycled special mulching film for cotton small farmer planting pattern according to claim 1 or 2, wherein the silane coupling agent is vinyltriethoxysilane or vinyltrimethoxysilane.
6. The easily-recycled special mulching film for cotton small farmer planting mode according to claim 1 or 2, wherein the ethylene-vinyl acetate copolymer is ethylene-vinyl acetate copolymer emulsion with a vinyl acetate content of 70-95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315996.4A CN110938255A (en) | 2019-12-19 | 2019-12-19 | Special mulching film easy to recycle in cotton small farmer planting mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315996.4A CN110938255A (en) | 2019-12-19 | 2019-12-19 | Special mulching film easy to recycle in cotton small farmer planting mode |
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| Publication Number | Publication Date |
|---|---|
| CN110938255A true CN110938255A (en) | 2020-03-31 |
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| CN201911315996.4A Pending CN110938255A (en) | 2019-12-19 | 2019-12-19 | Special mulching film easy to recycle in cotton small farmer planting mode |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701079A (en) * | 2009-10-30 | 2010-05-05 | 昆明春叶塑料制成品有限公司 | Preparation method of polyethylene mulching film master batch for magnesium salt whisker reinforced smoke |
| CN105367887A (en) * | 2015-12-08 | 2016-03-02 | 山东棉花研究中心 | Environment-friendly mulching film easy for recycling and preparation method thereof |
| CN108676239A (en) * | 2018-06-14 | 2018-10-19 | 安徽精良同硕塑膜科技股份有限公司 | A kind of wear-resistant polyethylene ground film |
| CN109206716A (en) * | 2018-09-10 | 2019-01-15 | 海南自立环保科技有限公司 | The masterbatch and its manufacturing method for promoting crop yield, can control degradation speed |
-
2019
- 2019-12-19 CN CN201911315996.4A patent/CN110938255A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701079A (en) * | 2009-10-30 | 2010-05-05 | 昆明春叶塑料制成品有限公司 | Preparation method of polyethylene mulching film master batch for magnesium salt whisker reinforced smoke |
| CN105367887A (en) * | 2015-12-08 | 2016-03-02 | 山东棉花研究中心 | Environment-friendly mulching film easy for recycling and preparation method thereof |
| CN108676239A (en) * | 2018-06-14 | 2018-10-19 | 安徽精良同硕塑膜科技股份有限公司 | A kind of wear-resistant polyethylene ground film |
| CN109206716A (en) * | 2018-09-10 | 2019-01-15 | 海南自立环保科技有限公司 | The masterbatch and its manufacturing method for promoting crop yield, can control degradation speed |
Non-Patent Citations (1)
| Title |
|---|
| 段予忠 等: "《橡胶塑料加工成型与制品应用工程手册-材料配合与混炼加工（塑料部分）》", 31 October 2001, 化学工业出版社 * |
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Application publication date: 20200331 |