CN114539736A - Full-biodegradable vine climbing rope based on straw returning and preparation method thereof - Google Patents
Full-biodegradable vine climbing rope based on straw returning and preparation method thereof Download PDFInfo
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- CN114539736A CN114539736A CN202210288249.1A CN202210288249A CN114539736A CN 114539736 A CN114539736 A CN 114539736A CN 202210288249 A CN202210288249 A CN 202210288249A CN 114539736 A CN114539736 A CN 114539736A
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- straw returning
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- 230000009194 climbing Effects 0.000 title claims abstract description 61
- 239000010902 straw Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 9
- 229920001896 polybutyrate Polymers 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 8
- 235000021314 Palmitic acid Nutrition 0.000 claims abstract description 7
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 7
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims abstract description 7
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 7
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims abstract description 7
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 7
- 239000004626 polylactic acid Substances 0.000 claims abstract description 7
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 7
- 239000008117 stearic acid Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 37
- 238000005520 cutting process Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 18
- 239000008187 granular material Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 16
- 241000345998 Calamus manan Species 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 235000012950 rattan cane Nutrition 0.000 claims description 12
- 238000005491 wire drawing Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 235000013311 vegetables Nutrition 0.000 abstract description 6
- 229920000098 polyolefin Polymers 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000006065 biodegradation reaction Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000003971 tillage Methods 0.000 description 3
- 239000002068 microbial inoculum Substances 0.000 description 2
- 235000000832 Ayote Nutrition 0.000 description 1
- 235000009849 Cucumis sativus Nutrition 0.000 description 1
- 240000008067 Cucumis sativus Species 0.000 description 1
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009854 Cucurbita moschata Nutrition 0.000 description 1
- 235000009804 Cucurbita pepo subsp pepo Nutrition 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 235000015136 pumpkin Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The invention provides a full-biodegradable vine climbing rope based on straw returning and a preparation method thereof, aiming at solving the problems that the existing polyolefin vine climbing rope is difficult to degrade and is difficult to separate when being mixed with crop stems (vine vines) such as vegetables and the like, so that the stem residual seedlings cannot return the straws to the field, the outer surface of the polyolefin vine climbing rope is smooth, and the winding and adsorption of the crop vines on the vine climbing rope are poor; the full-biodegradable vine climbing rope based on straw returning comprises the following raw materials in percentage by weight: PBAT: 81%, polylactic acid: 12.5%, ethylene bisstearamide: 0.25%, sodium dodecylbenzenesulfonate: 0.1%, 3000 mesh talc powder: 0.5%, ultraviolet absorber UV-328: 0.25%, antioxidant 1010: 0.2%, stearic acid: 0.1%, palmitic acid: 0.1%, silica filler: 5 percent. The invention is especially suitable for the production of degradable vegetable crops with straw returning, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of crop vine climbing ropes, in particular to a full-biodegradable vine climbing rope based on straw returning and a preparation method thereof.
Background
The vine climbing rope plays an important auxiliary role in the production of crops such as vegetables and the like, helps vegetable stems (vine vines) to guide upward growth and bearing, thereby playing roles in ventilation, light transmission, yield increase and convenience in picking, and has the functions of guiding the growth of crop vines and providing the winding and climbing of the crop vines in the production of vine crops such as cucumbers, peas, pumpkins and the like.
At present, polyolefin climbing ropes which are not degraded are adopted in the production of vegetable crops. After being used, the polyolefin group vine climbing ropes are mixed with crop stems (vine vines) such as vegetables and the like, and are separated manually, so that the time and the cost are high. Usually, the fertilizer is directly discarded in the field, so that plastic pollution and ecological hidden danger of the agricultural environment are caused; if the waste gas is recycled and incinerated, the pollution to the atmospheric environment can be caused; meanwhile, the outer surface of the existing polyolefin rattan climbing rope is smooth, and the winding and adsorption of the crop rattan climbing rope are poor, so that the crop climbing rope is inconvenient. Therefore, the full-biodegradable vine climbing rope based on straw returning and the preparation method thereof are provided.
Disclosure of Invention
It is an object of the present invention to solve or at least alleviate problems in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the full-biodegradable vine climbing rope based on straw returning comprises the following components in percentage by weight:
optionally, the silica filler is not less than 5% by weight.
Optionally, the antioxidant is antioxidant 1010, having the formula: c73H108O12。
Optionally, the talc has a mesh size of 3000 mesh.
Optionally, the ultraviolet absorber is UV-328, formula: c22H29N3O。
The invention also provides a preparation method of the full-biodegradable vine climbing rope based on straw returning, which comprises the following steps:
the method comprises the following steps of: PBAT: 78.5-83.5%, polylactic acid: 10-15%, ethylene bisstearamide: 0.2-0.4%, sodium dodecylbenzenesulfonate: 0.1-0.3%, talc powder: 0.4% -0.6%, ultraviolet absorber: 0.2-0.4%, antioxidant: 0.1-0.3%, stearic acid: 0.1-0.3%, palmitic acid: weighing and proportioning 0.1-0.3% and the balance of silica filler, and mixing and modifying the raw materials to obtain a modified mixture;
inputting the modified mixture into a double-screw extruder, extruding a strip material, carrying out long-distance air cooling conveying and cooling, and then cutting into granules;
thirdly, feeding the granules into a wire drawing machine, and drawing out a membrane material with the thickness of 80 mu m and the maximum width of less than or equal to 1.2 m;
step four, cutting the film material into strip-shaped rope materials with the widths of 0.1cm, 0.3cm, 0.5cm, 0.8cm, 1cm, 1.5cm and 2cm respectively according to climbing bearing of different crops;
and step five, cutting the strip-shaped rope material into a grid shape by a grid cutting knife, and then sequentially winding the strip-shaped rope material into a finished product of the rope reel.
Optionally, in the second step, the twin-screw extruder is divided into five temperature ranges, and the temperature ranges from the feeding port to the discharging port are 150 ℃ to 155 ℃, 160 ℃ to 165 ℃, 170 ℃ to 175 ℃ and 150 ℃ to 155 ℃.
Optionally, in the third step, the wire drawing machine is divided into seven temperature ranges, and the temperature ranges from the feeding port to the discharging port are 155-165 ℃, 165-170 ℃, 170-175 ℃, 165-170 ℃, 155-165 ℃ in sequence.
Optionally, in the second step, the distance of the long-distance air-cooled conveying is 40m to 50m, and the cooling temperature of the granules is 20 ℃ to 30 ℃.
Optionally, in the first step, the raw material mixing modification device is a high-speed mixer, the mixing temperature of the device is 35-40 ℃, and the mixing time is 10-15 min.
The embodiment of the invention provides a full-biodegradable rattan climbing rope based on straw returning and a preparation method thereof, and the rope has the following beneficial effects:
1. the full-biodegradable vine climbing rope prepared by the invention has good bearing capacity and good climbing and adsorbing capacity of crops, enters a rapid decomposition state after being used for five to seven months, is fit for the growth cycle of various mainstream crops, can realize full biodegradation, does not pollute the land, and meets the national standard requirements of agricultural full-biodegradable products.
2. The full-biodegradable vine climbing rope prepared by the invention has a latticed structure, so that the winding adsorption force of crop vine climbing is increased, the crop climbing is facilitated, and the latticed structure can accelerate the biodegradation speed and prevent the vine climbing rope from influencing the winding cutter of rotary cultivator equipment during the plowing operation.
Detailed Description
Example 1
A full-biodegradable vine climbing rope based on straw returning comprises the following raw materials in percentage by weight:
PBAT: 78.5%, polylactic acid: 13%, ethylene bisstearamide: 0.25%, sodium dodecylbenzenesulfonate: 0.1%, 3000 mesh talc powder: 0.4%, ultraviolet absorber UV-328: 0.25%, antioxidant 1010: 0.1%, stearic acid: 0.1%, palmitic acid: 0.1%, silica filler: 7.5 percent.
The preparation method of the full-biodegradable vine climbing rope based on straw returning comprises the following steps:
step one, weighing and proportioning the following raw materials in parts by weight, wherein the total amount of the raw materials is calculated by 200 kg:
transferring the raw materials of the ingredients into a high-speed mixer, setting the mixing temperature of the equipment to be 40 ℃, and mixing for 10min for modification to obtain a modified mixture;
inputting the modified mixture into a double-screw extruder, wherein the interior of the double-screw extruder is divided into five temperature ranges, the temperature ranges from a feeding port to a discharging port are 150-155 ℃, 160-165 ℃, 170-175 ℃ and 150-155 ℃, strip materials are extruded, cooled through long-distance air cooling, and then cut into granules, the distance of the long-distance air cooling is 40m, and the cooling temperature of the granules is 20-30 ℃;
inputting the granules into a wire drawing machine, wherein the wire drawing machine is divided into seven temperature ranges, and the temperature ranges from a feeding port to a discharging port are 155-165 ℃, 165-170 ℃, 170-175 ℃, 165-170 ℃, 155-165 ℃, and drawing a membrane material with the thickness of 80 mu m and the maximum width of less than or equal to 1.2 m;
step four, cutting the film material into strip-shaped rope materials with the widths of 0.3cm, 0.6cm, 0.8cm, 1cm and 1.5cm according to climbing bearing of different crops;
and step five, cutting the strip-shaped rope material into a grid shape by a grid cutting knife, and then sequentially winding the strip-shaped rope material into a finished product of the rope reel.
Example 2
A full-biodegradable vine climbing rope based on straw returning comprises the following raw materials in percentage by weight:
PBAT: 80%, polylactic acid: 13% ethylene bisstearamide: 0.3%, sodium dodecylbenzenesulfonate: 0.2%, 3000 mesh talc powder: 0.5%, ultraviolet absorber UV-328: 0.25%, antioxidant 1010: 0.15%, stearic acid: 0.3%, palmitic acid: 0.15%, silica filler: 5.15 percent.
The preparation method of the full-biodegradable vine climbing rope based on straw returning comprises the following steps:
step one, weighing and proportioning the following raw materials in parts by weight, wherein the total amount of the raw materials is calculated by 200 kg:
transferring the raw materials of the ingredients into a high-speed mixer, setting the mixing temperature of the equipment to be 40 ℃, and mixing for 12min for modification to obtain a modified mixture;
inputting the modified mixture into a double-screw extruder, wherein the interior of the double-screw extruder is divided into five temperature ranges, the temperature ranges from a feeding port to a discharging port are 150-155 ℃, 160-165 ℃, 170-175 ℃ and 150-155 ℃, strip materials are extruded, cooled through long-distance air cooling, and then cut into granules, the distance of the long-distance air cooling is 40m, and the cooling temperature of the granules is 20-30 ℃;
inputting the granules into a wire drawing machine, wherein the wire drawing machine is divided into seven temperature ranges, and the temperature ranges from a feeding port to a discharging port are 155-165 ℃, 165-170 ℃, 170-175 ℃, 165-170 ℃, 155-165 ℃, and drawing a membrane material with the thickness of 80 mu m and the maximum width of less than or equal to 1.2 m;
step four, cutting the film material into strip-shaped rope materials with the widths of 0.3cm, 0.6cm, 0.8cm, 1cm and 1.5cm according to climbing bearing of different crops;
and step five, cutting the strip-shaped rope material into a grid shape by a grid cutting knife, and then sequentially winding the strip-shaped rope material into a finished product of the rope reel.
Example 3
A full-biodegradable vine climbing rope based on straw returning comprises the following raw materials in percentage by weight:
PBAT: 81%, polylactic acid: 12.5%, ethylene bisstearamide: 0.25%, sodium dodecylbenzenesulfonate: 0.1%, 3000 mesh talc powder: 0.5%, ultraviolet absorber UV-328: 0.25%, antioxidant 1010: 0.2%, stearic acid: 0.1%, palmitic acid: 0.1%, silica filler: 5 percent.
The preparation method of the full-biodegradable vine climbing rope based on straw returning comprises the following steps:
step one, weighing and proportioning the following raw materials in parts by weight, wherein the total amount of the raw materials is calculated by 200 kg:
transferring the raw materials of the ingredients into a high-speed mixer, setting the mixing temperature of the equipment to be 40 ℃, and mixing for 10min for modification to obtain a modified mixture;
inputting the modified mixture into a double-screw extruder, wherein the interior of the double-screw extruder is divided into five temperature ranges, the temperature ranges from a feeding port to a discharging port are 150-155 ℃, 160-165 ℃, 170-175 ℃ and 150-155 ℃, strip materials are extruded, cooled through long-distance air cooling, and then cut into granules, the distance of the long-distance air cooling is 45m, and the cooling temperature of the granules is 20-30 ℃;
inputting the granules into a wire drawing machine, wherein the wire drawing machine is divided into seven temperature ranges, and the temperature ranges from a feeding port to a discharging port are 155-165 ℃, 165-170 ℃, 170-175 ℃, 165-170 ℃, 155-165 ℃, and drawing a membrane material with the thickness of 80 mu m and the maximum width of less than or equal to 1.2 m;
step four, cutting the membrane material into strip-shaped rope materials with the widths of 0.3cm, 0.6cm, 0.8cm, 1cm and 1.5cm respectively according to climbing bearing of different crops;
and step five, cutting the strip-shaped rope material into a grid shape by a grid cutting knife, and then sequentially winding the strip-shaped rope material into a finished product of the rope reel.
Example 4
A full-biodegradable vine climbing rope based on straw returning comprises the following raw materials in percentage by weight:
PBAT: 83% and polylactic acid: 10%, ethylene bisstearamide: 0.4%, sodium dodecylbenzenesulfonate: 0.1%, 3000 mesh talc powder: 0.4%, ultraviolet absorber UV-328: 0.25%, antioxidant 1010: 0.1%, stearic acid: 0.2%, palmitic acid: 0.2%, silica filler: 5.35 percent.
The preparation method of the full-biodegradable vine climbing rope based on straw returning comprises the following steps:
step one, weighing and proportioning the following raw materials in parts by weight, wherein the total amount of the raw materials is calculated by 200 kg:
transferring the raw materials of the ingredients into a high-speed mixer, setting the mixing temperature of the equipment to be 40 ℃, and mixing for 12min for modification to obtain a modified mixture;
inputting the modified mixture into a double-screw extruder, wherein the interior of the double-screw extruder is divided into five temperature ranges, the temperature ranges from a feeding port to a discharging port are 150-155 ℃, 160-165 ℃, 170-175 ℃ and 150-155 ℃, strip materials are extruded, cooled through long-distance air cooling, and then cut into granules, the distance of the long-distance air cooling is 40m, and the cooling temperature of the granules is 20-30 ℃;
inputting the granules into a wire drawing machine, wherein the wire drawing machine is divided into seven temperature ranges, and the temperature ranges from a feeding port to a discharging port are 155-165 ℃, 165-170 ℃, 170-175 ℃, 165-170 ℃, 155-165 ℃, and drawing a membrane material with the thickness of 80 mu m and the maximum width of less than or equal to 1.2 m;
step four, cutting the film material into strip-shaped rope materials with the widths of 0.3cm, 0.6cm, 0.8cm, 1cm and 1.5cm according to climbing bearing of different crops;
and step five, cutting the strip-shaped rope material into a grid shape by a grid cutting knife, and then sequentially winding the strip-shaped rope material into a finished product of the rope reel.
It is understood that in examples 1-4, 10-13 kg of PBAT was prepared, and the twin-screw extruder was first washed with PBAT before the preparation to ensure the quality of the extruded pellets.
The fully biodegradable climbing rope prepared according to the above examples 1-4, the load of the strip rope materials with the widths of 0.3cm, 0.6cm, 0.8cm, 1cm and 1.5cm, and the main suitable crops are tested in sequence:
TABLE 1 bearing surface of full-biodegradable climbing rope with different widths
TABLE 2 main crop corresponding table of full-biodegradable climbing rope with different widths
TABLE 3 Induction and degradation time table for full-biodegradable climbing rope with different widths
According to the full-biodegradable vine climbing rope based on straw returning and the preparation method thereof, the full-biodegradable vine climbing rope is prepared, the bearing capacity is good, the minimum strength is more than 180N, the breaking elongation is less than 20%, the climbing and adsorbing capacity of crops is good, the rope enters a rapid decomposition state after being used for seven months, is attached to the growth cycle of various main crops, can realize full biodegradation, and cannot pollute the land; and the latticed structure of the rope for climbing vines increases the winding adsorption force of the crop climbing vines on one hand, so that the crops can climb, and on the other hand, the latticed structure can accelerate the biodegradation speed and prevent the influence of the rope for climbing vines on the winding cutter of the rotary cultivator equipment during tillage.
It can be understood that the full-biodegradable vine climbing rope can be matched with a microbial inoculum for accelerating degradation after rotary tillage, such as a straw decomposition agent or a high-temperature canopy-stifling biological microbial inoculum, so as to achieve the purpose of rapid degradation, and after actual test, the purpose that the straw returning land can enter the next round of planting in the shortest day after the rotary tillage can be achieved.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The full-biodegradable vine climbing rope based on straw returning is characterized by comprising the following components in percentage by weight:
2. the full-biodegradable rattan climbing rope based on straw returning to field as claimed in claim 1, characterized in that: the weight percentage of the silicon dioxide filler is not lower than 5 percent.
3. The full-biodegradable rattan climbing rope based on straw returning to field as claimed in claim 1, characterized in that: the antioxidant is antioxidant 1010, and the molecular formula is as follows: c73H108O12。
4. The fully biodegradable rattan climbing rope based on straw returning to field according to claim 1, characterized in that: the mesh size of the talcum powder is 3000 meshes.
5. The full-biodegradable rattan climbing rope based on straw returning to field as claimed in claim 1, characterized in that: the ultraviolet absorbent is UV-328, and the molecular formula is as follows: c22H29N3O。
6. The preparation method of the full-biodegradable rattan climbing rope based on straw returning to field as claimed in any one of claims 1-5, which comprises the following steps:
the first step is that the components by weight percentage are as follows: PBAT: 78.5-83.5%, polylactic acid: 10-15%, ethylene bisstearamide: 0.2-0.4%, sodium dodecylbenzenesulfonate: 0.1-0.3%, talc powder: 0.4% -0.6%, ultraviolet absorber: 0.2-0.4%, antioxidant: 0.1-0.3%, stearic acid: 0.1-0.3%, palmitic acid: weighing and proportioning 0.1-0.3% and the balance of silica filler, and mixing and modifying the raw materials to obtain a modified mixture;
inputting the modified mixture into a double-screw extruder, extruding a strip material, carrying out long-distance air cooling conveying and cooling, and then cutting into granules;
thirdly, feeding the granules into a wire drawing machine, and drawing out a membrane material with the thickness of 80 mu m and the maximum width of less than or equal to 1.2 m;
step four, cutting the film material into strip-shaped rope materials with the widths of 0.1cm, 0.3cm, 0.5cm, 0.8cm, 1cm, 1.5cm and 2cm respectively according to climbing bearing of different crops;
and step five, cutting the strip-shaped rope material into a grid shape by a grid cutting knife, and then sequentially winding the strip-shaped rope material into a finished product of the rope reel.
7. The preparation method of the full-biodegradable rattan climbing rope based on straw returning to field as claimed in claim 6, characterized in that: in the second step, the double screw extruder is divided into five temperature ranges, and the temperature ranges from the feeding port to the discharging port are 150-155 ℃, 160-165 ℃, 170-175 ℃ and 150-155 ℃.
8. The preparation method of the full-biodegradable rattan climbing rope based on straw returning to field as claimed in claim 6, characterized in that: in the third step, the wire drawing machine is divided into seven temperature ranges, and the temperature ranges from the feeding port to the discharging port are 155-165 ℃, 165-170 ℃, 170-175 ℃, 165-170 ℃ and 155-165 ℃.
9. The preparation method of the full-biodegradable rattan climbing rope based on straw returning to field as claimed in claim 6, characterized in that: in the second step, the distance of long-distance air-cooled conveying is 40m-50m, and the cooling temperature of the granules is 20-30 ℃.
10. The preparation method of the full-biodegradable rattan climbing rope based on straw returning to field as claimed in claim 6, characterized in that: in the first step, the equipment for mixing and modifying the raw materials is a high-speed mixer, the mixing temperature of the equipment is 35-40 ℃, and the mixing time is 10-15 min.
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| CN202210288249.1A CN114539736A (en) | 2022-03-23 | 2022-03-23 | Full-biodegradable vine climbing rope based on straw returning and preparation method thereof |
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| US20130225731A1 (en) * | 2011-02-28 | 2013-08-29 | Jiangsu Jinhe Hi-Tech Co., Ltd | Degradable plastic and manufacturing method thereof |
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| CN113912990A (en) * | 2021-09-18 | 2022-01-11 | 浙江家乐蜜园艺科技有限公司 | Full-biodegradable crop climbing belt and preparation method thereof |
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| US20130225731A1 (en) * | 2011-02-28 | 2013-08-29 | Jiangsu Jinhe Hi-Tech Co., Ltd | Degradable plastic and manufacturing method thereof |
| CN110903615A (en) * | 2019-11-27 | 2020-03-24 | 山东农业大学 | Agricultural black full-biological controllable degradable plastic lifting rope and preparation method thereof |
| CN110982231A (en) * | 2019-11-27 | 2020-04-10 | 山东农业大学 | Agricultural white full-biological controllable degradable plastic lifting rope and preparation method thereof |
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Application publication date: 20220527 |