CN116219577A - Degradable climbing rope, preparation method thereof and degradable climbing rope net - Google Patents
Degradable climbing rope, preparation method thereof and degradable climbing rope net Download PDFInfo
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- CN116219577A CN116219577A CN202310027866.0A CN202310027866A CN116219577A CN 116219577 A CN116219577 A CN 116219577A CN 202310027866 A CN202310027866 A CN 202310027866A CN 116219577 A CN116219577 A CN 116219577A
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B26/00—Exercising apparatus not covered by groups A63B1/00 - A63B25/00
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/04—Melting filament-forming substances
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/10—Natural organic materials
- D07B2205/103—Animal and plant materials
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/201—Polyolefins
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2039—Polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Ropes Or Cables (AREA)
- Cultivation Of Seaweed (AREA)
Abstract
The invention relates to the technical field of rope nets, in particular to a degradable climbing rope, a preparation method thereof and a degradable climbing rope net. The climbing rope comprises the following components in parts by weight: 30-40 parts of PBAT, 20-30 parts of polyethylene, 10-15 parts of cotton seed hulls, 8-12 parts of bamboo fibers, 4-6 parts of bran, 4-6 parts of nano titanium dioxide and 2-3 parts of additives. The main materials PBAT and the bio-based polyethylene in the degradable climbing rope component provided by the invention have biodegradability, and meanwhile, the component also contains cotton seed hulls, bamboo fibers and wheat bran biodegradable materials, so that the degradable climbing rope can be decomposed into pollution-free substances after being used, and is environment-friendly; the climbing rope net provided by the invention has the strength for maintaining the use for 6-12 months, and the biodegradation time is 6-12 months after the climbing rope net is used, so that the degradation time is short.
Description
Technical Field
The invention relates to the technical field of rope nets, in particular to a degradable climbing rope, a preparation method thereof and a degradable climbing rope net.
Background
Fiber rope products are already applied to various fields, and relate to various fields of aerospace, marine, medical and health, agriculture, forestry, animal husbandry and the like; the development of degradable materials is also of a beginning scale, and the degradable materials are mainly applied to plastic products and medical appliances, and ropes prepared from the degradable materials are less in application. In the development trend of society, the environment-friendly degradable material is necessarily the development trend in the future.
Greenhouse planting is a main source of vegetables in daily life, adopts a structural framework mainly composed of bamboo and steel, and is covered with one or more layers of heat-insulating plastic films, so that a complete greenhouse space is manufactured by a simple structure. Some vegetables planted in the greenhouse have the property of climbing seedlings, such as cucumbers and luffa, and some vegetables do not climb seedlings, such as tomatoes and eggplants, but in order to improve the vegetable yield and reasonably utilize the upper space of the greenhouse, the grower can manually lift the seedlings to improve the height of the plants and increase the fruiting rate. The climbing rope/seedling hanging rope is a necessary 'magic' for the vegetable greenhouse. The existing climbing ropes/seedling hanging ropes are mainly polypropylene ropes, polyester ropes and the like, and the materials can be kept from being decomposed in nature for 200-400 years, so that land is immersed, the quality of the soil is seriously reduced, if the land is abandoned, the ecology of the land is destroyed, and the air environment is polluted due to incineration; if the manual separation is time-consuming and labor-consuming, the straw returning of the plants is affected if the manual separation is not performed.
Disclosure of Invention
Aiming at the technical problems that a climbing rope material is difficult to degrade and the like, the invention provides a degradable climbing rope, a preparation method thereof and a degradable climbing rope net.
In a first aspect, the invention provides a degradable climbing rope, which comprises the following components in parts by weight: 30-40 parts of PBAT (polybutylene terephthalate/polyadipic acid), 20-30 parts of polyethylene, 10-15 parts of cotton seed hulls, 8-12 parts of bamboo fibers, 4-6 parts of bran, 4-6 parts of nano titanium dioxide and 2-3 parts of additives.
Further, the polyethylene is bio-based polyethylene obtained by melt mixing bio-based high density polyethylene and bio-based low density polyethylene.
Further, the additive is one or two of silane coupling agent KH-550 and silane coupling agent KH-560.
Further, when the additive is a compound of a silane coupling agent KH-550 and a silane coupling agent KH-560, the mass ratio of the silane coupling agent KH-550 to the silane coupling agent KH-560 is 4:3-3:2.
In a second aspect, the invention provides a method for preparing a degradable climbing rope, comprising the following steps:
s1, mixing PBAT and polyethylene, heating to a first temperature, and sequentially adding cotton seed hulls, bamboo fibers, bran, nano titanium dioxide and additives;
s2, heating to a second temperature, cooling to a third temperature to obtain a mixed solution, and drawing the mixed solution by a drawing machine to obtain monofilaments;
s3, winding the monofilaments onto a yarn storage cylinder, combining the monofilaments into a strand to obtain a folded yarn after passing through a tension controller, rotating and twisting or not twisting in the yarn combining process, winding the folded yarn onto a spool, and installing the spool onto a rope braiding machine for braiding to obtain the climbing rope.
In step S1, the first temperature is 240-250 ℃, and the heating is performed for 30min at the first temperature.
Further, in step S2, the temperature rising rate is 1 ℃/10S, the second temperature is 340-360 ℃, the temperature reducing rate is 1 ℃/20S, the third temperature is 160-200 ℃, and the temperature is kept at the third temperature for 20min.
Further, in step S2, the wire drawing machine is divided into six temperature areas, wherein the temperature of the first area is 180 ℃, the temperature of the second area is 190 ℃, the temperature of the third area is 200 ℃, the temperature of the fourth area is 220 ℃, the temperature of the fifth area is 230 ℃, and the temperature of the sixth area is 230 ℃; the wiredrawing residence time is 5-10 min, the holding pressure is 10-20 MPa, and the holding time is 15-30 s.
In a third aspect, the invention provides a degradable climbing rope net, which comprises a climbing frame, wherein a plurality of climbing ropes according to the invention are hung on the climbing frame, the bottom end of each climbing rope is provided with a counterweight body, and the climbing ropes vertically extend downwards under the action of the weight of the counterweight body.
Furthermore, the top end of the climbing rope is processed into a cone shape and then inserted into the center of the climbing rope to form an eye ring, the climbing frame penetrates into the eye ring to hang the climbing rope on the climbing frame, and the rope is pulled in and contracted when stressed, so that the inserted rope head can be fastened to prevent the climbing rope from slipping; the bottom end of the climbing rope is processed into a cone shape after penetrating into the counterweight body, and then the bottom end of the climbing rope is inserted into the center of the climbing rope to form an eye ring; the counterweight body is a lead weight.
The invention has the beneficial effects that:
(1) The main materials PBAT and the bio-based polyethylene in the degradable climbing rope component provided by the invention have biodegradability, and meanwhile, the component also contains cotton seed hulls, bamboo fibers and wheat bran biodegradable materials, so that the degradable climbing rope can be decomposed into pollution-free substances after being used, and is environment-friendly;
(2) The climbing rope net provided by the invention has the strength for maintaining the use for 6-12 months, and the biodegradation time is 6-12 months after the climbing rope net is used, so that the degradation time is short.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of a climbing rope net according to an embodiment of the present invention.
In the figure, a 1-climbing frame, a 2-climbing rope and a 3-counterweight body.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
The following example polyethylenes are bio-based polyethylenes obtained by melt mixing bio-based high density polyethylenes and bio-based low density polyethylenes.
Example 1
Uniformly mixing 40 parts of PBAT and 30 parts of polyethylene, heating to 240-250 ℃ to melt and keep for 30 minutes, sequentially adding 12 parts of cotton seed hulls, 8 parts of bamboo fibers, 4 parts of bran, 4 parts of nano titanium dioxide and 550-550 parts of silane coupling agent KH, heating to 340-360 ℃ at a speed of 1 ℃/10s, cooling to 160-200 ℃ at a speed of 1 ℃/20s and keeping for 20 minutes to obtain a mixed solution, and drawing the mixed solution by a drawing machine to obtain monofilaments; further, the wire drawing machine is divided into 6 temperature areas, wherein the temperature of the first area is 180 ℃, the temperature of the second area is 190 ℃, the temperature of the third area is 200 ℃, the temperature of the fourth area is 220 ℃, the temperature of the fifth area is 230 ℃, the temperature of the sixth area is 230 ℃, the residence time is 5 minutes, the pressure maintaining pressure is 10-20 MPa, and the pressure maintaining time is 30 seconds; and extruding and drawing the mixed solution through a drawing machine to form 1000D degradable fiber material monofilaments. The filaments are wound on a yarn storage cylinder, a plurality of filaments are combined into one strand to obtain a strand after passing through a tension controller, the strand is wound on a spool and is arranged on a rope braiding machine to be braided, and 16 strands of climbing ropes with the length of 8mm are braided, wherein each piece is 5m. The climbing rope can maintain higher strength within 6 months, can be directly abandoned on the ground after 6 months, and is completely decomposed after 6 months, so that the climbing rope does not pollute the land and water source.
As shown in fig. 1, the degradable climbing rope net comprises a climbing frame 1, wherein a plurality of climbing ropes 2 are hung on the climbing frame 1, a counterweight body 3 is arranged at the bottom end of each climbing rope 2, and the counterweight body 3 is a lead weight. The preparation method comprises the steps of processing two ends of the climbing rope 2 prepared in the embodiment into a cone shape to insert back the center of the climbing rope 2 to form eye rings, enabling the eye rings at the bottom end to penetrate through the lead drop, enabling the eye rings at the top end to hang on the climbing frame 2, and forming a degradable climbing rope net in cooperation with the climbing frame 2.
Example 2
Uniformly mixing 30 parts of PBAT and 20 parts of polyethylene, heating to 240-250 ℃ to melt and keep for 30 minutes, sequentially adding 10 parts of cotton seed hulls, 2 parts of bamboo fibers, 5 parts of bran, 5 parts of nano titanium dioxide and 5 parts of silane coupling agent KH-560 parts, heating to 340-360 ℃ at a speed of 1 ℃/10s, cooling to 160-200 ℃ at a speed of 1 ℃/20s and keeping for 20 minutes to obtain a mixed solution, and drawing the mixed solution by a drawing machine to obtain monofilaments; further, the wire drawing machine is divided into 6 temperature areas, wherein the temperature of the first area is 180 ℃, the temperature of the second area is 190 ℃, the temperature of the third area is 200 ℃, the temperature of the fourth area is 220 ℃, the temperature of the fifth area is 230 ℃, the temperature of the sixth area is 230 ℃, the residence time is 7 minutes, the pressure maintaining pressure is 10-20 MPa, and the pressure maintaining time is 15s; and extruding and drawing the mixed solution by a drawing machine to form 2000D degradable fiber material monofilaments. The filaments are wound on a yarn storage cylinder, a plurality of filaments are combined into one strand to obtain a strand after passing through a tension controller, the strand is wound on a spool and is arranged on a rope braiding machine to be braided, and 12 strands of climbing ropes with the length of 12mm are braided, wherein each piece is 5m. The climbing rope can maintain higher strength within 9 months, can be directly abandoned on the ground after 9 months, and is completely decomposed after 6 months, so that the climbing rope does not pollute the land and water source.
Example 3
Uniformly mixing 35 parts of PBAT and 25 parts of polyethylene, heating to 240-250 ℃ to melt and keep for 30 minutes, sequentially adding 15 parts of cotton seed hulls, 10 parts of bamboo fibers, 6 parts of bran, 6 parts of nano titanium dioxide and 3 parts of additives, wherein the additives are a compound of a silane coupling agent KH-550 and a silane coupling agent KH-560 in a mass ratio of 4:3, heating to 340-360 ℃ at a speed of 1 ℃/10s, cooling to 160-200 ℃ at a speed of 1 ℃/20s, and keeping for 20 minutes to obtain a mixed solution, and drawing the mixed solution by a drawing machine to obtain monofilaments; further, the wire drawing machine is divided into 6 temperature areas, wherein the temperature of the first area is 180 ℃, the temperature of the second area is 190 ℃, the temperature of the third area is 200 ℃, the temperature of the fourth area is 220 ℃, the temperature of the fifth area is 230 ℃, the temperature of the sixth area is 230 ℃, the residence time is 10 minutes, the pressure maintaining pressure is 10-20 MPa, and the pressure maintaining time is 20s; and extruding and drawing the mixed solution by a drawing machine to form 1500D degradable fiber material monofilaments. The filaments are wound on a yarn storage cylinder, a plurality of filaments are combined into one strand to obtain a strand after passing through a tension controller, the strand is wound on a spool and is arranged on a rope braiding machine to be braided, and the 32 strands of climbing ropes with the length of 14mm are braided, wherein each piece of climbing rope is 5m. The climbing rope can maintain higher strength within 12 months, can be directly abandoned on the ground after 12 months, and can be completely decomposed after 10 months, so that the climbing rope does not pollute the land and water source.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims.
Claims (10)
1. The degradable climbing rope is characterized by comprising the following components in parts by weight: 30-40 parts of PBAT, 20-30 parts of polyethylene, 10-15 parts of cotton seed hulls, 8-12 parts of bamboo fibers, 4-6 parts of bran, 4-6 parts of nano titanium dioxide and 2-3 parts of additives.
2. The degradable climbing rope according to claim 1, wherein the polyethylene is bio-based polyethylene obtained by melt mixing bio-based high density polyethylene and bio-based low density polyethylene.
3. The degradable climbing rope according to claim 1, wherein the additive is one or two of silane coupling agent KH-550 and silane coupling agent KH-560.
4. The degradable climbing rope according to claim 3, wherein when the additive is a compound of a silane coupling agent KH-550 and a silane coupling agent KH-560, the mass ratio of the silane coupling agent KH-550 to the silane coupling agent KH-560 is 4:3-3:2.
5. A method of making the degradable climbing rope of claim 1, comprising the steps of:
s1, mixing PBAT and polyethylene, heating to a first temperature, and sequentially adding cotton seed hulls, bamboo fibers, bran, nano titanium dioxide and additives;
s2, heating to a second temperature, cooling to a third temperature to obtain a mixed solution, and drawing the mixed solution by a drawing machine to obtain monofilaments;
s3, winding the monofilaments onto a yarn storage cylinder, combining the monofilaments into a strand after passing through a tension controller to obtain a strand, winding the strand onto a spool, and installing the spool onto a rope braiding machine to carry out braiding, thus obtaining the climbing rope.
6. The method for producing a degradable climbing rope according to claim 5, wherein in step S1, the first temperature is 240 to 250 ℃, and the heating is performed for 30 minutes at the first temperature.
7. The method for producing a degradable climbing rope according to claim 5, wherein in the step S2, the heating rate is 1 ℃/10S, the second temperature is 340-360 ℃, the cooling rate is 1 ℃/20S, the third temperature is 160-200 ℃, and the temperature is kept at the third temperature for 20min.
8. The method for producing a degradable climbing rope according to claim 5, wherein in step S2, the wire drawing machine is divided into six temperature zones, the temperature of the first zone is 180 ℃, the temperature of the second zone is 190 ℃, the temperature of the third zone is 200 ℃, the temperature of the fourth zone is 220 ℃, the temperature of the fifth zone is 230 ℃, and the temperature of the sixth zone is 230 ℃; the wiredrawing residence time is 5-10 min, the holding pressure is 10-20 MPa, and the holding time is 15-30 s.
9. A degradable climbing rope net, which is characterized by comprising a climbing frame, wherein a plurality of climbing ropes according to claim 1 are hung on the climbing frame, and a counterweight body is arranged at the bottom end of each climbing rope.
10. The degradable climbing rope net according to claim 9, wherein the tip of the climbing rope is tapered and then inserted into the center of the climbing rope to form an eye, and the climbing rope is suspended on the climbing frame by penetrating the climbing frame into the eye; the bottom end of the climbing rope is processed into a cone shape after penetrating into the counterweight body, and then the bottom end of the climbing rope is inserted into the center of the climbing rope to form an eye ring; the counterweight body is a lead weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310027866.0A CN116219577A (en) | 2023-01-09 | 2023-01-09 | Degradable climbing rope, preparation method thereof and degradable climbing rope net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310027866.0A CN116219577A (en) | 2023-01-09 | 2023-01-09 | Degradable climbing rope, preparation method thereof and degradable climbing rope net |
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| Publication Number | Publication Date |
|---|---|
| CN116219577A true CN116219577A (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310027866.0A Pending CN116219577A (en) | 2023-01-09 | 2023-01-09 | Degradable climbing rope, preparation method thereof and degradable climbing rope net |
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| CN (1) | CN116219577A (en) |
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- 2023-01-09 CN CN202310027866.0A patent/CN116219577A/en active Pending
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