CN210765776U - High-strength casting umbrella rope with anti-burning and micro-buffering functions - Google Patents
High-strength casting umbrella rope with anti-burning and micro-buffering functions Download PDFInfo
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Abstract
The application discloses thing umbrella rope of throwing that excels in with prevent burning, little buffer function. The high-strength casting umbrella rope is formed by weaving a plurality of S-lay-direction first rope strands and a plurality of Z-lay-direction second rope strands in the same quantity; the first rope strand is formed by twisting a plurality of ultra-high molecular weight polyethylene fiber filaments, and the fineness of the first rope strand is 1500-3000D; and the first strand is treated with a scorch retarder; the second rope strand is formed by twisting a plurality of aramid 1414 fiber filaments, and the fineness of the second rope strand is 1000-3000D; the anti-burning agent comprises 15-30% of silicone oil, 5-10% of adhesive, 5-12% of penetrating agent and the balance of water, wherein the percentage content is mass percent. The high-strength casting umbrella rope has the anti-burning and micro-buffering functions, can effectively avoid burning of the high-strength casting umbrella rope in the using process, ensures the article delivery safety, and has good application prospect in the field.
Description
Technical Field
The application belongs to the technical field of fiber ropes, and in particular relates to a high-strength parachute line with anti-burning and micro-buffering functions.
Background
Ropes are usually special textile products made by twisting or weaving multiple strands of yarn or thread, and have a relatively large diameter, which can be classified into ropes, ropes and cables according to the weaving method and the diameter. The national standard of China is that the rope or the rope line with the diameter of l-4 mm is used. The rope is made of natural fibers such as cotton, hemp, silk and wool, and chemical fibers such as ultrahigh molecular weight polyethylene, polypropylene, terylene and polyethylene. The characteristics of the rope are determined by the raw materials and the processing method, and the rope can be basically divided into three types of weaving, twisting, braiding and the like according to the manufacturing method. Ropes are used for clothing, civil use and special purposes.
The rope with special purposes has large market demand, and is mainly widely applied to the fields of national defense and military industry, traffic ports, sports umbrellas, ships and the like at present. For example, high-strength parachute, drag parachute, parachute for aircraft, parachute for sports, ship, crane, clothing, etc., braided parachute line, elastic line, buffer line, driving line, climbing line, etc. are widely used.
When the high-strength casting umbrella rope is used for casting objects and landing, the high-strength casting umbrella rope usually generates large friction to generate sparks, the umbrella rope is burnt, the strength of the umbrella rope is reduced, and even the umbrella rope is burnt, so that the safety of the objects cast by the air is seriously threatened.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above-mentioned technical problems of the prior art, embodiments of the present application disclose a high strength parachute line with anti-burning and micro-cushioning functions, which is woven by a plurality of S-lay direction first strands and a same number of Z-lay direction second strands; wherein the content of the first and second substances,
the first rope strand is formed by twisting a plurality of ultra-high molecular weight polyethylene fiber filaments with the fineness of 1500-3000D, and the first rope strand is treated by an anti-burning agent;
the second rope strand is formed by twisting a plurality of aramid 1414 fiber filaments with the fineness of 1000-3000D.
Some embodiments disclose a high-strength parachute with anti-burning and micro-buffering functions, wherein the number of the first strands is 2, 3, 4, 6, 8 or 12.
Some embodiments disclose the high-strength parachute-throwing umbrella rope with the anti-burning and micro-buffering functions, the number of the ultra-high molecular weight polyethylene fiber filaments is set to be 1-3, and the twisting twist is 30-110 twists/m.
In the high-strength casting umbrella rope with the anti-burning and micro-buffering functions disclosed by some embodiments, the number of aramid 1414 fiber filaments is set to be 2-4, and the twisting twist is 30-150 twists/m.
Some embodiments disclose a high strength parachute with anti-burning, micro-cushioning function, the anti-burning agent comprising a nanocarbon material.
In some embodiments, the high-strength parachute-shaped rope with the anti-burning and micro-buffering functions is disclosed, wherein the silicone oil comprises silicone oil microcapsules, and the particle size of the silicone oil microcapsules is set to be 50-150 nm.
Some embodiments disclose a high-strength parachute with anti-burning and micro-buffering functions, wherein the outer surface of the high-strength parachute is coated with a layer of anti-burning agent.
The high-strength casting umbrella rope with the anti-burning and micro-buffering functions, disclosed by the embodiment of the application, integrates the durability of ultra-high molecular weight polyethylene and the high-strength performance of aramid fiber 1414, the diameter is 6-10 mm, the linear density is 18-62 g/m, the breaking strength is 26-80 KN, the content of an anti-burning agent is not less than 2%, the high-strength casting umbrella rope has the anti-burning function, the wear resistance is good, the corrosion resistance is strong, the weight is light, the high-strength casting umbrella rope can be effectively prevented from being burnt and damaged in the using process, the casting safety is ensured, the service life is prolonged, the manufacturing method is simple in process, the process condition operability is strong, and the high-strength casting umbrella rope has a good application prospect in the.
Drawings
FIG. 1 is a schematic view of an embodiment 1 of a high-strength parachute with anti-burning and micro-buffering functions
Detailed Description
The word "embodiment" as used herein, is not necessarily to be construed as preferred or advantageous over other embodiments, including any embodiment illustrated as "exemplary". Performance index tests in the examples of this application, unless otherwise indicated, were performed using routine experimentation in the art. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; other test methods and techniques not specifically mentioned in the present application are those commonly employed by those of ordinary skill in the art.
The terms "substantially" and "about" are used throughout this disclosure to describe small fluctuations. For example, they may mean less than or equal to ± 5%, such as less than or equal to ± 2%, such as less than or equal to ± 1%, such as less than or equal to ± 0.5%, such as less than or equal to ± 0.2%, such as less than or equal to ± 0.1%, such as less than or equal to ± 0.05%. Concentrations, amounts, and other numerical data may be expressed or presented herein in a range format. Such range format is used merely for convenience and brevity and thus should be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range as if each numerical value and sub-range is explicitly recited. For example, a numerical range of "1 to 5%" should be interpreted to include not only the explicitly recited values of 1% to 5%, but also include individual values and sub-ranges within the indicated range. Thus, included in this numerical range are individual values, such as 2%, 3.5%, and 4%, and sub-ranges, such as 1% to 3%, 2% to 4%, and 3% to 5%, etc. This principle applies equally to ranges reciting only one numerical value. Moreover, such an interpretation applies regardless of the breadth of the range or the characteristics being described.
In this disclosure, including the claims, all conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be understood as being open-ended, i.e., to mean" including but not limited to. Only the conjunctions "consisting of … …" and "consisting of … …" are closed conjunctions.
In the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, apparatuses, etc. known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application. On the premise of no conflict, the technical features disclosed in the embodiments of the present application may be combined arbitrarily, and the obtained technical solution belongs to the content disclosed in the embodiments of the present application. The first and second mentioned in this application are only for describing different parts, and do not indicate their sequence order; the Z twist direction and the S twist direction are merely two opposite twist directions, and if the first strand is Z twist direction, the second strand is S twist direction.
In some embodiments, the high-strength casting umbrella rope with the anti-burning and micro-buffering functions is formed by weaving a plurality of S-lay-direction first strands and a same number of Z-lay-direction second strands; the first rope strand is formed by twisting a plurality of ultra-high molecular weight polyethylene fiber filaments, and the fineness of the first rope strand is 1500-3000D; and the first strand is treated with a scorch retarder; the second rope strand is formed by twisting a plurality of aramid 1414 fiber filaments, and the fineness of the second rope strand is 1000-3000D.
As an alternative, the number of first strands is set to 2, 3, 4, 6, 8 or 12.
As an alternative, the number of second strands is set to 2, 3, 4, 6, 8 or 12.
In an alternative embodiment, the number of the ultra-high molecular weight polyethylene fiber filaments is set to 1 to 3, and the twist is 30 to 110 twists/m.
As an optional embodiment, the number of the aramid 1414 fiber filaments is set to be 2-4, and the twisting twist is 30-110 twists/m.
As an optional embodiment, the anti-burning agent comprises 15-30% of silicone oil, 5-10% of adhesive, 5-12% of penetrating agent and the balance of water, wherein the percentage is mass percent.
Generally, the silicone oil has good heat resistance, weather resistance and hydrophobicity and smaller surface tension, and after the strands of the ultrahigh molecular weight polyethylene fiber are treated by the anti-scorching agent containing the silicone oil, the anti-scorching performance of the ultrahigh molecular weight polyethylene fiber umbrella rope is effectively enhanced by the excellent physical and chemical properties of the anti-scorching agent.
Further alternatively, the silicone oil may be modified to have better anti-scorching properties, such as dimethyl silicone oil, carboxyl-modified silicone oil, polyether-modified silicone oil, amino-modified silicone oil, and epoxy-modified silicone oil.
The amino modified silicone oil is polydimethylsiloxane containing amino in a side chain or a terminal group, has good adsorbability and compatibility, and can increase the softness of the fiber material when the amino silicone oil is emulsified into microemulsion by a proper surfactant.
The epoxy modified silicone oil is silicone oil containing epoxy in the side chain or end group of polydimethylsiloxane, and can improve the elasticity of the fiber rope, and if the silicone oil is matched with polyether modified silicone oil for use, the flexibility of the fiber rope after finishing is better.
The polyether-modified silicone oil is polydimethylsiloxane having a polyether group (e.g., polyoxyethylene group, polyoxypropylene group, fatty alcohol polyoxyethylene polyoxypropylene ether group) in a side chain or a terminal group, and can improve moisture absorption performance of post-finishing of a fiber rope. The introduction of the polyether group also increases the antistatic property and easy decontamination property of the finished fiber or fiber rope, can prevent static accumulation and prevent static from generating electric sparks.
The shuttle-modified silicone oil is polydimethylsiloxane containing a shuttle group in a side chain or a terminal group, can improve durability, and particularly has better effect when being used together with amino silicone oil.
The dimethyl silicone oil is a colorless and transparent novel synthetic polymer material, and has special smoothness, flexibility, hydrophobicity, good chemical stability, excellent electrical insulation property and high and low temperature resistance. The anti-burning performance of the ultra-high molecular weight polyethylene fiber rope can be effectively improved.
As an alternative embodiment, the silicone oil is a silicone oil microcapsule. The silicone oil is prepared into the silicone oil microcapsules, the silicone oil can be sealed in the microcapsule shell to prevent volatilization, the influence of moisture absorption on the performance of the microcapsule shell is reduced, the capsule shell is broken under the action of external forces such as mutual friction and collision of the umbrella rope and the umbrella coat in the use process of the microcapsule, the silicone oil sealed in the capsule shell is leaked out, the anti-burning effect of the microcapsule can be exerted, and the storage life and the service life of the umbrella rope are prolonged. For example, the umbrella rope can be treated by preparing a silicone oil microcapsule emulsion with a shell layer of silicon dioxide, and preparing the emulsion with a binder, a penetrating agent and water into an anti-burning agent according to a certain proportion. Silicone oil/silicon dioxide microcapsules are adhered to the surface of the treated rope fiber; for example, polyurea coated dimethicone nanocapsules can be prepared as the silicone oil component of the antipyrotic; for example, calcium alginate coats silicone microcapsules as the silicone oil component of the antipyrotic.
As an alternative embodiment, the modified silicone oil can be prepared into a microcapsule form for use.
In an alternative embodiment, the particle size of the microcapsules is set to 50 to 150 nm. Further as an optional embodiment, the nano-microcapsule with the particle size of 100-150 nm is selected. Further as an optional embodiment, the nano-microcapsule with the particle size of 50-100 nm is selected.
Further, as an alternative embodiment, a proper amount of nano carbon material, such as at least one of nano modified graphite, nano carbon black or graphene, can be added into the anti-burning agent, so that the heat conduction and the electric conduction performance of the fiber rope are increased, the surface friction resistance of the fiber rope is reduced, static electricity is prevented, the anti-burning performance and the durability of the fiber rope are improved, and the service life is prolonged. In an alternative embodiment, the amount of the nanocarbon material is set to 3 to 8% by mass.
As an alternative embodiment, an anionic osmotic agent may be chosen as the osmotic agent, for example RCOOˉ、-SO3 ˉ、-OSO3 ˉ、-PhSO3 ˉ、-OPO3 ˉ(ii) a As an alternative embodiment, a non-ionic surfactant, such as a polyoxyethylene ether surfactant, may be selected.
As an alternative embodiment, ethyl acetate or the like may be selected as the binder.
Further, in some embodiments, the outer surface of the high-strength parachute cord is coated with a layer of anti-burn agent. After the first strand of the throwing umbrella rope is treated by the anti-burning agent, the anti-burning agent covers the surface of the ultra-high molecular weight polyethylene fiber, so that the throwing umbrella rope has a certain anti-burning function, after the first strand and the second strand are woven into the umbrella rope, the surface of the umbrella rope is usually in direct contact with other umbrella ropes, umbrella covers and the like in the using process, the friction and collision and other effects occur, the damage to the surface of the umbrella rope is more serious, and therefore, the anti-burning agent can be coated on the outer surface of the throwing umbrella rope, so that the anti-burning capacity of the surface of the umbrella rope is improved.
In some embodiments, the high-strength parachute with anti-burning and micro-buffering functions is manufactured by the following method, specifically comprising:
twisting a plurality of ultra-high molecular weight polyethylene fiber filaments to obtain a first strand in an S twisting direction, and twisting a plurality of aramid fiber 1414 filaments to obtain a second strand in a Z twisting direction; as an optional embodiment, a plurality of filaments of ultra-high molecular weight polyethylene fiber are usually selected and twisted to obtain a strand of ultra-high molecular weight polyethylene fiber, or referred to as a first strand, for example, 1 to 3 filaments of ultra-high molecular weight polyethylene fiber may be selected and twisted; further, as an optional embodiment, when the ultra-high molecular weight polyethylene filament is twisted to obtain the first strand, the twisting direction is usually an S twisting direction or a Z twisting direction, and the twist is usually controlled to be 30-110 twists/m; as an alternative embodiment, the number of first strands may be selected to be 2, 3, 4, 6, 8 or 12; as an optional embodiment, a plurality of aramid 1414 filaments are usually selected and twisted to obtain aramid 1414 filament strands, or called as second strands, for example, 2 to 4 aramid 1414 filaments may be selected and twisted; as an alternative embodiment, the twisting direction is Z twisting direction or S twisting direction, and the twisting degree is controlled between 30-110 twists/m; as an alternative embodiment, the number of second strands may be selected to be 2, 3, 4, 6, 8 or 12; the twisting direction of the first strand and the second strand is usually opposite; as an alternative embodiment, the twist of the first strand and the second strand are set to be the same; further as an alternative embodiment, the number of the first strands and the second strands is set to be the same;
knitting the twisted first rope strand into a first rope strand knitted fabric; the twisted ultrahigh molecular weight polyethylene fiber strands are small in diameter, post-treatment processes such as anti-burning treatment and shaping treatment easily affect the structure and the surface performance of the twisted ultrahigh molecular weight polyethylene fiber strands, damage the structure and the surface performance of the twisted ultrahigh molecular weight polyethylene fiber strands, even cause fiber breakage, and affect the quality and the usability of the final casting umbrella rope; as an alternative embodiment, the twisted ultra-high molecular weight polyethylene fiber strands are knitted into a first strand knitted fabric; after the first strand knitted fabric is subjected to post-treatment process treatment, the first strand knitted fabric can be easily reduced into a first strand so as to carry out a subsequent knitting process; as an optional embodiment, weaving the ultra-high molecular weight polyethylene fiber strands on a small knitting machine to obtain a knitted fabric, wherein the specification and the size are 0.8-1 m in width, 5-20 m in length and 10-20 mm in thickness;
treating the resulting first strand knitted fabric with a scorch retarder; usually, preparing an anti-burning agent according to a formula, then placing the prepared anti-burning agent into a water tank, uniformly stirring, then placing the first strand knitted fabric into the water tank, soaking for 1-5 min, taking out the first strand knitted fabric after the first strand is fully soaked by the anti-burning agent, and squeezing out the redundant anti-burning agent;
heat-treating the first strand knitted fabric treated by the anti-burning agent in a constant-temperature water bath; the first strand knitted fabric impregnated with the anti-burning agent is usually placed in a water bath with a set temperature for treatment for a certain time, so that the first strand knitted fabric is shrunk and shaped; after the shrinkage and the shaping, the extension capacity of the first rope strand is controlled, namely the extension length of the first rope strand is controlled when the first rope strand is stretched by an external force, the first rope strand has proper extension capacity, and the first rope strand is used as a parachute rope of the object-throwing umbrella, namely, the first rope strand has proper buffer capacity, for example, the water bath temperature can be set to be 80-90 ℃, and the holding time in the water bath is set to be not less than 35min, such as 35min and 40min, so that the parachute rope of the object-throwing umbrella has micro buffer capacity and meets the use requirement of the high;
drying the heat-treated first strand knitted fabric at constant temperature; putting the first strand knitted fabric subjected to shrinkage sizing into a constant-temperature oven for drying treatment to fully volatilize volatile matters and the like in the anti-burning agent, so that the first strand knitted fabric is recovered to a dry state; the drying temperature is usually not less than the temperature of the water bath treatment, but is not too high, and is usually controlled within a range of 10 ℃ to destroy the micro-buffering capacity, for example, the drying treatment is carried out at 85 ℃; usually, the drying time is set to be proper for the knitted fabric to recover the drying state, and is not too long, for example, the knitted fabric can be treated for 5 min;
the dried first strand knitted fabric is reduced into a first strand, and the first strand is pre-woven into a first strand bobbin; the dried first strand knitted fabric is generally required to be reduced into a first strand, so that the first strand yarn is pre-woven on a pre-weaving machine into a first strand yarn tube which meets the requirement of a spindle of a weaving machine;
pre-weaving the second strand into a second strand bobbin;
a plurality of first strand bobbins and a plurality of second strand bobbins with the same number are placed on a knitting machine and are knitted to form a high-strength object-throwing umbrella rope; as an alternative embodiment, the first strand bobbin is set to run clockwise by half the number of S twists, and the second strand bobbin is set to run counterclockwise by half the number of Z twists, and the yarn is braided on a high-speed braiding machine to form a whole rope;
the obtained whole parachute line is treated with the anti-burning agent again and dried to obtain a high-strength object-throwing parachute line finished product with a layer of anti-burning agent covered on the surface; the same anti-burn agent as that used for the first strand treatment may be used for the treatment, but the concentration of the anti-burn agent may be appropriately adjusted and may be reduced, for example, the anti-burn agent used for the first strand treatment may be diluted by one time with water, and the surface of the umbrella rope may be subjected to anti-burn treatment again with the diluted anti-burn agent; then drying, and coating a layer of anti-burning agent protective film on the surface of the dried umbrella rope; as an alternative, the temperature and time conditions of the re-scorch treatment and the drying treatment may be performed with reference to the first strand treatment step.
The technical details are further illustrated in the following examples.
Example 1
Fig. 1 is a schematic structural view of a high-strength parachute with anti-burning and micro-buffering functions disclosed in embodiment 1. 1 denotes the S lay direction first strand and 2 denotes the Z lay direction second strand.
The high-strength casting umbrella rope with the anti-burning and micro-buffering functions disclosed in the embodiment 1 is prepared by the following steps:
twisting 1 ultra-high molecular weight polyethylene fiber filament on a TWISTECHNOLOGY twisting machine to obtain a first strand with S twist direction and 30 twist/m, wherein the titer of the first strand is 2000D; twisting 2 aramid 1414 fiber filaments with the fineness of 2000D on a TWISTECHNOLOGY twisting machine to obtain a second strand in the Z twisting direction, wherein the twist is 30 twists/m;
weaving the twisted first rope strand on a small knitting machine to obtain a first rope strand knitted fabric with the width of 0.8m, the length of 5m and the thickness of 10 mm;
putting a certain amount of anti-burning agent into a water tank, uniformly stirring, putting the first strand knitted fabric into the water tank, standing for 1min, taking out the first strand knitted fabric after the first strand sufficiently absorbs the anti-burning agent, and squeezing out the redundant anti-burning agent; wherein the anti-burning agent comprises 15% of amino modified silicone oil, 5% of ethyl acetate, 5% of anion penetrating agent and the balance of water;
treating the first strand knitted fabric subjected to anti-burning treatment in a water bath at 80 ℃ for 35min, and performing shrinkage sizing treatment;
then drying the first strand knitted fabric in an oven at 90 ℃ for 10 min;
recovering and disassembling the dried first strand knitted fabric into a first strand;
pre-weaving the first strand of folded yarn into a first strand of yarn tube conforming to a high-speed braiding machine spindle on a full-automatic pre-weaving machine according to a given length;
pre-weaving the second strand of folded yarn into a second strand of yarn tube which is in accordance with a high-speed braiding machine spindle on a full-automatic pre-weaving machine according to a given length;
placing the first strand bobbin and the second strand bobbin on a high-speed braiding machine, and braiding the first strand bobbin and the second strand bobbin according to half of S twist direction and half of Z twist direction to form a whole rope;
putting a certain amount of the anti-burning agent into a water tank, uniformly stirring, putting the whole rope into the water tank, standing for 1min, taking out, and squeezing out the redundant anti-burning agent; wherein the anti-burning agent comprises 9 percent of amino modified silicone oil, 3 percent of ethyl acetate, 3 percent of anion penetrating agent and the balance of water;
then the whole umbrella rope is dried in a drying oven at 90 ℃ for 16min until the umbrella rope is dry and constant in weight.
The high-strength casting umbrella rope obtained in example 1 has a diameter of 6mm, a linear density of 18g/m, a breaking strength of 26KN, a content of a scorch retarder of 2.1% and a water-color fastness of grade 3. The water fastness was determined according to the regulations of GB 250.
Example 2
The high-strength casting umbrella rope with the anti-burning and micro-buffering functions disclosed in the embodiment 2 is prepared by the following steps:
twisting 2 ultra-high molecular weight polyethylene fiber filaments on a TWISTECHNOLOGY twisting machine to obtain a first strand in an S twisting direction, wherein the titer of the first strand is 2000D, and the twist is 80 twists/m; twisting 3 aramid 1414 fiber filaments with the fineness of 2000D on a TWISTECHNOLOGY twisting machine to obtain a Z-twist-direction second strand, wherein the twist is 80 twists/m;
weaving the twisted first strand on a small knitting machine to obtain a first strand knitted fabric with the width of 0.9m, the length of 15m and the thickness of 16 mm;
putting a certain amount of anti-burning agent into a water tank, uniformly stirring, putting the first strand knitted fabric into the water tank, standing for 4min, taking out the first strand knitted fabric after the strands fully absorb the anti-burning agent, and squeezing out the redundant anti-burning agent; wherein the anti-burning agent comprises 30 percent of calcium alginate-coated amino modified silicone oil microcapsule, 10 percent of ethyl acetate, 12 percent of anion penetrating agent, 5 percent of carbon black and the balance of water;
treating the first strand knitted fabric subjected to anti-burning treatment in a water bath at 80 ℃ for 35min for shrinkage setting treatment;
then drying the first strand knitted fabric in an oven at 90 ℃ for 10 min;
recovering and disassembling the dried first strand knitted fabric into a first strand;
pre-weaving the first strand of folded yarn into a first strand of yarn tube conforming to a high-speed braiding machine spindle on a full-automatic pre-weaving machine according to a given length;
pre-weaving the second strand of folded yarn into a second strand of yarn tube which is in accordance with a high-speed braiding machine spindle on a full-automatic pre-weaving machine according to a given length;
placing the first strand bobbin and the second strand bobbin on a high-speed braiding machine, and braiding the first strand bobbin and the second strand bobbin according to half of S twist direction and half of Z twist direction to form a whole rope;
putting a certain amount of the anti-burning agent into a water tank, uniformly stirring, putting the whole rope into the water tank, standing for 2min, taking out, and squeezing out the redundant anti-burning agent; wherein the anti-burning agent comprises 18 percent of amino modified silicone oil, 6 percent of ethyl acetate, 7.2 percent of anion penetrating agent, 3 percent of carbon black and the balance of water;
then the whole umbrella rope is dried in a drying oven at 90 ℃ for 16min until the umbrella rope is dry and constant in weight.
The high-strength casting umbrella rope obtained in example 2 has a diameter of 8mm, a linear density of 35g/m, a breaking strength of 52KN, a content of a scorch retarder of 2.2% and a water-color fastness of grade 3. The water fastness was determined according to the regulations of GB 250.
The high-strength casting umbrella rope with the anti-burning and micro-buffering functions, disclosed by the embodiment of the application, integrates the durability of ultra-high molecular weight polyethylene and the high-strength performance of aramid fibers 1414, has the diameter of 6-10 mm, the linear density of 18-62 g/m and the breaking strength of 26-80 KN, comprises the anti-burning agent with the mass content of not less than 2%, has the anti-burning and micro-buffering functions, can effectively avoid burning and impact on personnel which may be caused to the umbrella rope in the use process of the high-strength casting umbrella rope, ensures the safety of the personnel and the operation capacity of the personnel, is simple in manufacturing method and process, strong in operability of process conditions, and has a good application prospect in the field.
The technical solutions and the technical details disclosed in the embodiments of the present application are only examples to illustrate the concept of the present application, and do not constitute a limitation to the technical solutions of the present application, and all the inventive changes that are made to the technical details disclosed in the present application without inventive changes have the same inventive concept as the present application, and are within the protection scope of the claims of the present application.
Claims (7)
1. A high-strength casting umbrella rope with anti-burning and micro-buffering functions is characterized in that the high-strength casting umbrella rope is formed by weaving a plurality of S-lay-direction first rope strands and a same number of Z-lay-direction second rope strands; wherein the content of the first and second substances,
the first rope strand is formed by twisting a plurality of ultra-high molecular weight polyethylene fiber filaments with the fineness of 1500-3000D, and the first rope strand is treated by an anti-burning agent;
the second rope strand is formed by twisting a plurality of aramid 1414 fiber filaments with the fineness of 1000-3000D.
2. A high strength parasol rope with antipyrotic, micro-cushioning function as set forth in claim 1, wherein the number of the first strands is set to 2, 3, 4, 6, 8 or 12 strands.
3. A high-strength parasol rope with antipyrotic and micro-cushioning functions as claimed in claim 1, wherein the number of the ultra high molecular weight polyethylene fiber filaments is set to 1 to 3, and the twist is set to 30 to 110 twists/m.
4. The high-strength parasol rope with the anti-burning and micro-buffering functions as claimed in claim 1, wherein the aramid 1414 filaments are 2-4 filaments, and the twisting twist is 30-110 twists/m.
5. The high-strength parasol rope with anti-burning and micro-buffering functions as claimed in claim 1, wherein the anti-burning agent comprises nano carbon material in mass percentage.
6. A high-strength parasol rope with antipyrotic and micro-buffering functions as claimed in claim 1, wherein the antipyrotic comprises silicone oil microcapsules having a particle size of 50 to 150 nm.
7. The high-strength parachute-throwing umbrella rope with the anti-burning and micro-buffering functions as claimed in claim 1, wherein a layer of anti-burning agent is coated on the outer surface of the high-strength parachute-throwing umbrella rope.
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| CN110424096A (en) * | 2019-08-16 | 2019-11-08 | 鲁普耐特集团有限公司 | A kind of high-strength cargo chute umbrella rope and preparation method thereof with anti-bright, micro- pooling feature |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424096A (en) * | 2019-08-16 | 2019-11-08 | 鲁普耐特集团有限公司 | A kind of high-strength cargo chute umbrella rope and preparation method thereof with anti-bright, micro- pooling feature |
| CN110424096B (en) * | 2019-08-16 | 2024-04-26 | 鲁普耐特集团有限公司 | High-strength object throwing umbrella rope with anti-burning and micro-buffering functions and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-strength parachute line with anti burning and micro buffering functions Effective date of registration: 20221225 Granted publication date: 20200616 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: ROPENET GROUP Co.,Ltd. Registration number: Y2022980027536 |