CN104088081A - Braided rope and preparation method thereof - Google Patents
Braided rope and preparation method thereof Download PDFInfo
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- CN104088081A CN104088081A CN201410277438.4A CN201410277438A CN104088081A CN 104088081 A CN104088081 A CN 104088081A CN 201410277438 A CN201410277438 A CN 201410277438A CN 104088081 A CN104088081 A CN 104088081A
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- kernmantle
- twisting
- yarn thigh
- twist
- molecular weight
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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
- D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1096—Rope or cable structures braided
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/2002—Wires or filaments characterised by their cross-sectional shape
- D07B2201/2003—Wires or filaments characterised by their cross-sectional shape flat
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- 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
- D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ropes Or Cables (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention relates to a braided rope and a preparation method thereof, wherein the braided rope is prepared by multi-ply yarn, each ply yarn is prepared by plying a plurality of single yarns or taking one single yarn as a ply yarn, and each single yarn is prepared by packing or packing and twisting an ultrahigh molecular weight polyethylene film or strip. The technical solution provided by the invention replaces traditional UHMWPE fibers with the single yarns for the preparation of the rigging, and the braided rope is high in strength utility ratio of UHMWPE film or strips, easy to process, low in cost and environmentally friendly without glue.
Description
Technical field
The present invention relates to macromolecular material Application Areas, relate in particular to a kind of kernmantle and preparation method thereof.
Background technology
The advantages such as chemical fibre cable is lightweight with it, intensity is high, wear-resistant are widely used, and have substituted gradually the range of application of original natural fabric rope.
Ultra-high molecular weight polyethylene (Ultra High Molecular Weight Polyethylene, be called for short UHMW-PE) be a kind of thermoplastic engineering plastic with Good All-around Property of linear structure, this material of take is made high-intensity fiber as basis be one of its important use.The high strength of superhigh molecular weight polyethylene fibers, high-modulus, density is little, ageing-resistant waits outstanding advantages also to start the manufacture for chemical fibre cable.
Existing ultra-high molecular weight polyethylene chemical fibre cable is all that to take ultra-high molecular weight polyethylene hydrogel filament fiber be raw material.Because superhigh molecular weight polyethylene fibers is filament (monofilament linear density is about 2.5 dawn), therefore at the hydrogel filament fiber based on ultra-high molecular weight polyethylene, prepare in the process of chemical fibre cable, need to arrange respectively the fiber of multi-filament shape structure, complex process, cost is high, the chemical fibre cable of preparing with other materials is compared, and the market price is too high, is unfavorable for widespread adoption.In addition, based on superhigh molecular weight polyethylene fibers, preparing in the process of chemical fibre cable, fiber surface is rubbed easily produces burr, easily there is the phenomenons such as fracture of wire, distortion, winding in fiber, the whole uniform stressed that is unfavorable for plurality of fibers, cause the bulk strength of the chemical fibre cable that makes often lower than the overall strength of many superhigh molecular weight polyethylene fibers, rate of utilization of strength is very low.
Summary of the invention
Provided hereinafter about brief overview of the present invention, to the basic comprehension about some aspect of the present invention is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present invention.It is not that intention is determined key of the present invention or pith, and nor is it intended to limit the scope of the present invention.Its object is only that the form of simplifying provides some concept, usings this as the preorder in greater detail of discussing after a while.
The invention provides a kind of kernmantle and preparation method thereof.
On the one hand, the invention provides a kind of kernmantle, described kernmantle is made by the braiding of multistrand yarn thigh, and per share yarn thigh is made by many single thread plying or using a single thread as one yarn thigh, every single thread is brought together to form or bring together to twist by ultra-high molecular weight polyethylene film or band and formed.
Preferably, described ultra-high molecular weight polyethylene is that molecular weight is at more than 1,000,000 polyethylene; Described ultra-high molecular weight polyethylene film or band itself have certain width and thickness, are a kind of overall structures that there is no binding site or cutting line.
Preferably, every described single thread stretches direction by ultra-high molecular weight polyethylene film or band along its strand and brings together and form or bring together twisting and form.
Preferably, described per share yarn thigh is made by many single thread plying, comprising: per share described yarn thigh is brought together to be integrated by many described single thread and made; Or per share described yarn thigh is brought together twisting or is twisted to be integrated by many described single thread and makes; Or per share described yarn thigh is woven to one by many described single thread and makes.
Preferably, described kernmantle is made by the braiding of multistrand yarn thigh, comprise: by multiply, the yarn thigh braiding without twisting makes described kernmantle, wherein: in braiding process, the yarn thigh of part nothing twisting is along the first sth. made by twisting to twisting, part is without the yarn thigh of twisting along the second sth. made by twisting to twisting, and interspersed interweaving is integrated the yarn thigh after each several part twisting mutually.
Preferably, described kernmantle is made by the braiding of multistrand yarn thigh, comprise: described kernmantle has the yarn thigh braiding of twisting to make by multiply, wherein: described multiply have the yarn thigh of twisting comprise part first twist with the fingers to yarn thigh and part second twist with the fingers to yarn thigh, different twist with the fingers to yarn thigh mutually intert to interweave and be integrated.
Further, preferably, described different twist with the fingers to yarn thigh mutually intert to interweave and be integrated, comprise: by part have first twist, first twist with the fingers to yarn thigh along the second sth. made by twisting to twisting second twist, by part have the 3rd twist, second twist with the fingers to yarn thigh along the first sth. made by twisting to twisting the 4th twist, each several part mutually interts to interweave and is integrated; Described second twist is less than described first twist, and described the 4th twist is less than described the 3rd twist.
Preferably, at described yarn thigh, by many single thread, brought together twisting or twisting be integrated make, every single thread brought together under the situation that twisting forms by ultra-high molecular weight polyethylene film or band, the sth. made by twisting of described yarn thigh is to the sth. made by twisting with described single thread to contrary, and/or the twist of described yarn thigh is less than the twist of described single thread.
Preferably, the relevant parameter of described ultra-high molecular weight polyethylene film meets: line density was more than or equal to for 5000 dawn; Width is more than or equal to 100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.
Preferably, the thickness of described ultra-high molecular weight polyethylene film is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Further, preferably, the line density of described ultra-high molecular weight polyethylene film is the 5000-30000 dawn, width is 100-400mm, and thickness is 0.005-0.15mm, and fracture strength is 12-48 gram/dawn, stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 5500-20000 dawn, and width is 105-300mm, and thickness is 0.008-0.12mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2500 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 6000-12000 dawn, and width is 110-220mm, and thickness is 0.01-0.1mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Preferably, the relevant parameter of described tapes of ultra high molecular weight polyethylene meets: line density was more than or equal to for 100 dawn, was less than for 5000 dawn; Width 1-100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.
Preferably, described tapes of ultra high molecular weight polyethylene thickness is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 150-4000 dawn, and width is 2-90mm, and thickness is 0.003-0.1mm, and fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 200-3500 dawn, and width is 3-80mm, and thickness is 0.005-0.06mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2400 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 300-3000 dawn, and width is 5-60mm, and thickness is 0.008-0.03mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Preferably, the outer surface of the described kernmantle being made by the braiding of multistrand yarn thigh is formed with urethane resin layer.
Preferably, described kernmantle is made by stereotyped writing, 12 strands or 16 bursts of yarn thighs braidings; And/or, at institute's single thread, by ultra-high molecular weight polyethylene film or band, to be brought together and twist under the situation forming, the twist of described single thread is 1-60/m; And/or, at described yarn thigh, by many single thread, bring twisting together or twisting is integrated under the situation making, the twist of described yarn thigh is 1-40/m; And/or described yarn thigh is made by 2-6000 root single thread plying.
On the other hand, the present invention also provides a kind of preparation method of kernmantle, and for the preparation of above-mentioned any kernmantle, the preparation method of described kernmantle comprises:
Bring or bring together ultra-high molecular weight polyethylene film or band together twisting, make single thread;
Many single thread plying are made to yarn thigh;
Yarn thigh braiding described in multiply is made to kernmantle.
Preferably, in preparation during described single thread, be described ultra-high molecular weight polyethylene film or band to be stretched to direction along its strand bring or bring together twisting together.
Preferably, describedly many single thread plying made to yarn thigh comprise:
Many described single thread are brought together to be integrated and make described yarn thigh; Or,
Many described single thread are brought together to twisting or twisted to be integrated and make described yarn thigh; Or,
Many described single thread are woven to one and make described yarn thigh.
Preferably, described yarn thigh braiding described in multiply is made to kernmantle, comprising:
The yarn thigh that part nothing is twisted is along the first sth. made by twisting to twisting, and the yarn thigh of part nothing twisting is along the second sth. made by twisting to twisting, and the yarn thigh after each several part is twisted is integrated mutually interspersed interweaving, and makes described kernmantle.
Preferably, described yarn thigh braiding described in multiply is made to kernmantle, comprising:
By multiply first twist with the fingers to yarn thigh and multiply second twist with the fingers to yarn thigh mutually intert to interweave and be integrated, make described kernmantle.
Preferably, described by multiply first twist with the fingers to yarn thigh and multiply second twist with the fingers to yarn thigh mutually intert to interweave and be integrated, make described kernmantle, comprise: by multiply have first twist, first twist with the fingers to yarn thigh along the second sth. made by twisting to twisting second twist, by multiply have the 3rd twist, second twist with the fingers to yarn thigh along the first sth. made by twisting to twisting the 4th twist, interspersed interweaving is integrated each strand of yarn thigh mutually, make described kernmantle, wherein, described second twist is less than described first twist, and described the 4th twist is less than described the 3rd twist.
Preferably, described method also comprises: the kernmantle that the braiding of multistrand yarn thigh is made is put into aqueous polyurethane resin emulsion, makes this kernmantle outer surface infiltrate aqueous polyurethane resin emulsion; The kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping, with the outer surface at this kernmantle, form urethane resin layer.
Further, preferably, the solid mass fraction of described aqueous polyurethane resin emulsion is 30%-60%; And/or the temperature of described oven dry is 50 ℃-120 ℃.
Technical scheme provided by the invention is to form or bring together by being brought together by ultra-high molecular weight polyethylene film or band the single thread that twisting forms, substitute traditional superhigh molecular weight polyethylene fibers and prepare kernmantle, the rate of utilization of strength of ultra-high molecular weight polyethylene film or band is high, be easy to processing, glue-free environmental protection and cost are low.
By the detailed description to optional embodiment of the present invention below in conjunction with accompanying drawing, these and other advantage of the present invention will be more obvious.
Accompanying drawing explanation
The present invention can, by reference to hereinafter given description and being better understood by reference to the accompanying drawings, wherein use same or analogous Reference numeral to represent identical or similar parts in institute's drawings attached.Described accompanying drawing comprises in this manual and forms the part of this description together with detailed description below, and is used for further illustrating optional embodiment of the present invention and explains principle and advantage of the present invention.In the accompanying drawings:
The optional structural representation of the ultra-high molecular weight polyethylene film that Fig. 1 a provides for the embodiment of the present invention;
The optional structural representation of the tapes of ultra high molecular weight polyethylene that Fig. 1 b provides for the embodiment of the present invention;
The optional structural representation of the single thread after the film that Fig. 2 provides for the embodiment of the present invention or band are brought together;
Preparation method's flow chart of a kind of kernmantle that Fig. 3 provides for the embodiment of the present invention;
The optional structural representation of the kernmantle that Fig. 4 provides for the embodiment of the present invention;
Preparation method's flow chart of the another kind of kernmantle that Fig. 5 provides for the embodiment of the present invention.
It will be appreciated by those skilled in the art that the element in accompanying drawing is only used to simply and for the purpose of clear illustrate, and not necessarily draw in proportion.For example, in accompanying drawing, the size of some element may have been amplified with respect to other elements, to contribute to improve the understanding to the embodiment of the present invention.
The specific embodiment
In connection with accompanying drawing, one exemplary embodiment of the present invention is described in detail hereinafter.All features of actual embodiment are not described for clarity and conciseness, in description.Yet, should understand, in the process of any this practical embodiments of exploitation, must make a lot of decisions specific to embodiment, to realize developer's objectives, for example, meet those restrictive conditions with system and traffic aided, and these restrictive conditions may change to some extent along with the difference of embodiment.In addition,, although will also be appreciated that development is likely very complicated and time-consuming, concerning having benefited from those skilled in the art of present disclosure, this development is only routine task.
At this, also need explanation any be, for fear of the details because of unnecessary fuzzy the present invention, in accompanying drawing and explanation, only described with according to the closely-related apparatus structure of the solution of the present invention and/or treatment step, and omitted to relation of the present invention expression and description little, parts known to persons of ordinary skill in the art and processing.
Ultra-high molecular weight polyethylene is that molecular weight is at more than 1,000,000 polyethylene.The conventional art that ultra-high molecular weight polyethylene is applied in chemical fibre cable is to take superhigh molecular weight polyethylene fibers to prepare various product as basis.The technical scheme that various embodiments of the present invention provide, the conventional art of applying in chemical fibre cable with ultra-high molecular weight polyethylene is essentially different, it is the revolutionary character innovation that conventional art is proposed, be about to the alternative traditional super high molecular weight fiber of ultra-high molecular weight polyethylene film or band and carry out exploitation and the preparation of kernmantle, its core concept mainly comprises:
(1) by ultra-high molecular weight polyethylene film or band, substitute traditional superhigh molecular weight polyethylene fibers, prepare single thread, that is: bring or bring together ultra-high molecular weight polyethylene film or band together twisting and make single thread.
(2) by stretching direction by ultra-high molecular weight polyethylene film or band along its strand, bring together and form or bring together the single thread that twisting forms, substitute traditional superhigh molecular weight polyethylene fibers and prepare yarn thigh, by the braiding of multistrand yarn thigh, make kernmantle more afterwards.
Wherein, as shown in Figure 1a, ultra-high molecular weight polyethylene film 101 is a kind of thin slices that become, had certain width and thickness by ultrahigh molecular weight polyethylene, and width is far longer than thickness.As shown in Figure 1 b, tapes of ultra high molecular weight polyethylene 102 can independently be prepared or can be by the whole shape bar shaped thin slice forming by minute cutting process before and after ultra-high molecular weight polyethylene film stretching, the width of band is less than the width of film, and thickness and film are quite or be greater than the thickness of film.
Ultra-high molecular weight polyethylene film provided by the invention or band, different from superhigh molecular weight polyethylene fibers, also different from the plane being formed by many superhigh molecular weight polyethylene fibers splicing, their remarkable difference is: ultra-high molecular weight polyethylene film provided by the invention or band itself have certain width and thickness, is a kind of overall structure that there is no binding site or cutting line; Wherein: binding site is present in the position that different piece splicing, stitching or the hot pressing etc. of band or film are combined as a whole; Cutting line is generally present in the mid portion of band or film, and does not comprise that it is in the situation at band or edge, film both sides.
The single thread that various embodiments of the present invention provide makes based on ultra-high molecular weight polyethylene film or band.In described single thread preparation process, that ultra-high molecular weight polyethylene film or band are done to the as a whole twisting processing of bringing together or bring together, single thread structural integrity that the method makes is good, preparation technology is simple, saved the complicated technology that plurality of fibers silk is arranged respectively, the surface that has obviously reduced film or band produces the probability of burr, also obviously reduces the probability that the phenomenons such as fracture of wire, distortion, winding appear in film or band inside.Adopt the many single thread plying that the method makes to make yarn thigh, the braiding of multistrand yarn thigh is made to kernmantle, during this kernmantle carrying load, ultra-high molecular weight polyethylene film or band are brought together and formed or bring together each single thread of forming of twisting is whole stressed, make the rate of utilization of strength of the kernmantle that the rate of utilization of strength of this kernmantle often prepared higher than the superhigh molecular weight polyethylene fibers that adopts same Denier in conventional art, and the former cost is starkly lower than the latter, there is structural integrity good, intensity is high, rate of utilization of strength is high, production efficiency is high, processing cost is low, lightweight, surface density is little, the advantage such as flexible.
Embodiment mono-
As shown in Figure 3, the present embodiment provides a kind of preparation method of kernmantle, at least comprises the following steps:
Step S301: bring or bring together ultra-high molecular weight polyethylene film or band together twisting, make single thread.
Step S302: many single thread plying is made to yarn thigh or using a single thread as one yarn thigh.
Step S303: yarn thigh braiding described in multiply is made to kernmantle.The structural representation of kernmantle 701 as shown in Figure 4.
As shown in Figure 2, single thread 201 can be brought together and be formed by ultra-high molecular weight polyethylene film or band in an optional structural representation of the single thread in step S301.For example preferably bring technical process together for one of ultra-high molecular weight polyethylene film or band: ultra-high molecular weight polyethylene film or band are placed on bobbin cradle and are emitted, after thread guide mechanism, synnema mechanism, be wound up on tube core successively.The single thread making has the advantages such as structural integrity is good, intensity is high, rate of utilization of strength is high, production efficiency is high, processing cost is low, lightweight, flexible.
Because described single thread is to be brought together and formed by ultra-high molecular weight polyethylene film or band, the advantages such as therefore tradition is gluedd joint the like product form based on superhigh molecular weight polyethylene fibers relatively, that described single thread also has is glue-free, environmental protection.
In addition, preferably, in the preparation process of single thread, described ultra-high molecular weight polyethylene film or band can stretch direction along its strand and bring together.Because ultra-high molecular weight polyethylene has linear structure, the intensity that ultra-high molecular weight polyethylene film or band stretch direction along its strand is maximum, therefore stretching direction along its strand brings together and prepares single thread, wherein, the strand of described ultra-high molecular weight polyethylene film or band stretches the longitudinal stretching direction that direction is ultra-high molecular weight polyethylene, after referring to that ultra-high molecular weight polyethylene is longitudinally stretched, its macromolecular chain is conscious is subject to force direction and the direction of arranging along the longitudinal.For example: if the strand of certain ultra-high molecular weight polyethylene film or band stretches direction for its length direction, this ultra-high molecular weight polyethylene film or band stretch and after direction is brought together, just form a single thread parallel with its length direction along its strand.Adopt the method can improve the intensity of single thread, also can reduce processing the loss that may cause the strength character of film or band because bringing together, rate of utilization of strength is high, wherein, rate of utilization of strength refers to the ratio (%) of the intensity of ultra-high molecular weight polyethylene film or bar alternate product and the intensity of ultra-high molecular weight polyethylene film or band itself.
Or preferably, the single thread in step S301 also can be brought twisting together by ultra-high molecular weight polyethylene film or band and form, soon ultra-high molecular weight polyethylene film or band are first brought twisting again together and are made single thread.
Prepare after single thread, can as described in step S302, many single thread plying be prepared to yarn thigh, yarn thigh also can be described as rope strand.The implementation of plying is very flexible, can include but not limited to by many single thread twist, interweave, splicing, winding, stitching and/or hot pressing is integrated, the quantity of the required single thread of pooling capital can determine according to actual needs, the present invention does not limit this.Or, also can be directly using a single thread as a yarn thigh as described in step S302.
Preferably, step S302 comprises: many described single thread are brought together to be integrated make described yarn thigh.Adopt this scheme, per share yarn thigh is brought together to be integrated by many single thread and is made, and will adopt this scheme to be conducive to reduce the loss of single end strength in technical process as far as possible, and the kernmantle that the multistrand yarn thigh braiding making is formed has higher rate of utilization of strength.Further, if kernmantle is carried out to surface, soak the surface treatments such as polyaminoester emulsion, emulsion enters the probability increase of kernmantle inside, can improve the cohesive force between the different yarn thighs of kernmantle, improves kernmantle brute force and uvioresistant, sea water corrosion resistant.
Or preferably, step S302 comprises: bring many described single thread together twisting or twisting is integrated and makes described yarn thigh.Adopt this scheme, per share described yarn thigh is brought together twisting or is twisted to be integrated by many described single thread and makes, the multistrand yarn thigh that adopts this scheme to make is woven into kernmantle, be conducive to improve the brute force of kernmantle, improve presentation quality and structural integrity, and be conducive to improve ABRASION RESISTANCE, resistance to corrosion seawater, uvioresistant and the antioxygenic property of kernmantle.
Or preferably, step S302 comprises: many described single thread are woven to one and make described yarn thigh.Adopt this scheme, per share described yarn thigh is woven to one by many described single thread and makes.The multistrand yarn thigh that adopts this scheme to make is woven into kernmantle, is conducive to improve presentation quality and the structural integrity of kernmantle, improve the ABRASION RESISTANCE of kernmantle, resistance to corrosion seawater, uvioresistant and antioxygenic property improve.
After prepared by yarn thigh, the braiding of multistrand yarn thigh can be made to kernmantle.The yarn thigh that adopts above-mentioned different technologies scheme to prepare, may be the yarn thigh that has the twist, may be also the yarn thigh of no twist.For acquired can better kernmantle, for the yarn thigh that has the twist and no twist, can adopt diverse ways braiding to prepare kernmantle, braiding process can be undertaken by braiding machine.
For example, choosing the yarn thigh braiding of multiply no twist prepares in a kind of preferably implementation of kernmantle, step S303 comprises: the yarn thigh that part nothing is twisted is along the first sth. made by twisting to twisting, part is without the yarn thigh of twisting along the second sth. made by twisting to twisting, and the yarn thigh after each several part twisting is integrated mutually interspersed interweaving, and makes kernmantle, wherein, first twist with the fingers to the second sth. made by twisting on the contrary, as: first twist with the fingers to be S to, the second sth. made by twisting is to being Z-direction; Or first twists with the fingers to be Z-direction, the second sth. made by twisting to be S to.In above-mentioned braiding process, to the twist of yarn thigh twisting, can determine according to actual needs, the present invention does not limit this.Adopt this scheme, kernmantle is that the yarn thigh braiding without twisting makes by multiply, wherein, in braiding process, the yarn thigh of part nothing twisting is along the first sth. made by twisting to twisting, the yarn thigh of part nothing twisting is along the second sth. made by twisting to twisting, yarn thigh after each several part twisting is integrated mutually interspersed interweaving, and the kernmantle obtaining thus has higher rate of utilization of strength, and cost is lower.
Again for example, choosing multiply has the yarn thigh braiding of twisting to prepare in a kind of preferably implementation of kernmantle, and step S303 comprises: by multiply first twist with the fingers to yarn thigh and multiply second twist with the fingers to yarn thigh mutually intert to interweave and be integrated, make described kernmantle.Adopt this scheme, kernmantle is to have the yarn thigh braiding of twisting to make by multiply, wherein, described multiply have the yarn thigh of twisting comprise part first twist with the fingers to yarn thigh and part second twist with the fingers to yarn thigh, different twist with the fingers to yarn thigh mutually intert to interweave and be integrated, the kernmantle obtaining thus also has higher rate of utilization of strength, cost is also lower, presentation quality and structural integrity are better, and kernmantle also has good ABRASION RESISTANCE, resistance to corrosion seawater, uvioresistant and antioxygenic property.
Again for example, choosing multiply has the yarn thigh braiding of twisting to prepare in a kind of preferably implementation of kernmantle, step S303 comprises: by multiply have first twist, first twist with the fingers to yarn thigh along the second sth. made by twisting to twisting second twist, by multiply have the 3rd twist, second twist with the fingers to yarn thigh along the first sth. made by twisting to twisting the 4th twist, each strand of yarn thigh is integrated mutually interspersed interweaving, and makes described kernmantle, wherein, described second twist is less than described first twist, and described the 4th twist is less than described the 3rd twist.The kernmantle that adopts this scheme to make has higher rate of utilization of strength, and presentation quality and structural integrity are better, and kernmantle also has good ABRASION RESISTANCE, resistance to corrosion seawater, uvioresistant and antioxygenic property.
In technique scheme, in single thread, the yarn thigh of being prepared by single thread and braiding process to the sth. made by twisting of yarn thigh twisting to and/or the twist can determine according to actual needs.Preferably: at institute's single thread, by ultra-high molecular weight polyethylene film or band, brought together and twist under the situation forming, the twist of described single thread is 1-60/m; And/or, at described yarn thigh, by many single thread, bring twisting together or twisting is integrated under the situation making, the twist of described yarn thigh is 1-40/m.Such scheme by technical process for the sth. made by twisting of different objects to and/or the optimal design of the twist, make to take kernmantle that ultra-high molecular weight polyethylene film or band make as material except thering is the above-mentioned advantage of mentioning, also there is the degree of packing good, be difficult for loose, be convenient to processing, cost is low, production efficiency advantages of higher.
The number of share of stock of kernmantle can determine according to actual needs, and the present invention does not limit.For the convenience of producing and obtain the moderate kernmantle of thickness, preferably, described kernmantle is made by stereotyped writing, 12 strands or 16 bursts of yarn thighs braidings.The kernmantle purposes that the embodiment of the present invention provides is very extensive, can be but be not limited to suspend in midair on helicopter messenger, fall-retarding umbrella and aircraft rope, electric propulsion rope, ship mooring rope, hawser, rope casts anchor, tank towing cable rope, the fixedly anchor line of the facilities such as supertanker, ocean engineering, beacon, crash bar, optical cable strengthening core etc.
For convenience and the acquisition thickness of producing are moderate, the kernmantle that intensity is higher, preferably, per share yarn thigh is made by the braiding of 2-6000 root single thread.
Preferably, in the present invention, the relevant parameter of the ultra-high molecular weight polyethylene film in each embodiment meets: line density was more than or equal to for 5000 dawn; Width is more than or equal to 100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.Ultra-high molecular weight polyethylene film based on having above-mentioned characteristic is the kernmantle that material adopting is above-mentionedly brought together, prepared by twisting method, makes kernmantle bulk strength higher, can better meet the preparation demand of the products such as high strength load.
Further, preferably, the thickness of described ultra-high molecular weight polyethylene film is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 5000-30000 dawn, and width is 100-400mm, and thickness is 0.005-0.15mm, and fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 5500-20000 dawn, and width is 105-300mm, and thickness is 0.008-0.12mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2500 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 6000-12000 dawn, and width is 110-220mm, and thickness is 0.01-0.1mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Better by preferably meeting the performance of kernmantle of ultra-high molecular weight polyethylene film preparation of above-mentioned parameter requirement.
The relevant parameter of the tapes of ultra high molecular weight polyethylene preferably, providing in various embodiments of the present invention meets: line density was more than or equal to for 100 dawn, was less than for 5000 dawn; Width 1-100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.Tapes of ultra high molecular weight polyethylene based on having above-mentioned characteristic is the kernmantle that material adopting is above-mentionedly brought together, prepared by twisting method, makes kernmantle bulk strength higher, can better meet the preparation demand of the products such as high strength load.
Further, preferably, described tapes of ultra high molecular weight polyethylene thickness is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 150-4000 dawn, and width is 2-90mm, and thickness is 0.003-0.1mm, and fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 200-3500 dawn, and width is 3-80mm, and thickness is 0.005-0.06mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2400 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 300-3000 dawn, and width is 5-60mm, and thickness is 0.008-0.03mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Better by preferably meeting the performance of kernmantle prepared by the tapes of ultra high molecular weight polyethylene of above-mentioned parameter requirement.
In various embodiments of the present invention, take ultra-high molecular weight polyethylene film or band prepares kernmantle as material, a kind of overall structure that there is no binding site or cutting line of ultra-high molecular weight polyethylene film or band, differ from the filament of the superhigh molecular weight polyethylene fibers of prior art, therefore in preparing kernmantle process, be High molecular weight polyethylene film or band to be done to as a whole bringing together prepare single thread, save the complicated technology that plurality of fibers silk is arranged respectively, obviously reduced the probability that the phenomenons such as fracture of wire, distortion, winding appear in film or band inside.
When the kernmantle that various embodiments of the present invention provide carries load, single thread after ultra-high molecular weight polyethylene film or band are brought together is whole stressed, make this kernmantle high to the rate of utilization of strength of ultra-high molecular weight polyethylene film or band, and the former cost is starkly lower than the latter.In addition, also there is the advantages such as lightweight, corrosion-resistant, wear-resisting, uvioresistant, long service life, Portable belt.
Embodiment bis-
Be different from above-described embodiment one, the technical scheme that the present embodiment provides, the outer surface of the kernmantle being made by multistrand yarn thigh braiding is also formed with urethane resin layer, its preferably processing step as shown in Figure 5, after the step S303 shown in Fig. 3, also comprise:
Step S304: the kernmantle that described in multiply, the braiding of yarn thigh makes is put into aqueous polyurethane resin emulsion, make this kernmantle outer surface infiltrate aqueous polyurethane resin emulsion.
Step S305: the kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping, form urethane resin layer with the outer surface at this kernmantle.
Described step S304 is equivalent to the kernmantle that braiding makes to multistrand yarn thigh and carries out surface-coated processing, and described step S305 is equivalent to the kernmantle after surface treatment to carry out drying and shaping processing.Preferably, described aqueous polyurethane resin emulsion is 30%-60% containing solid mass percent (being solid content, percentage by weight); And/or the temperature of described oven dry is between 50 ℃-120 ℃.After tested, through the kernmantle that above-mentioned surface-coated is processed and drying and shaping is processed, its kernmantle line density, the performances such as ultimate strength all have clear improvement, for example, kernmantle is infiltrated to Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent, be 40%, the load bearing core that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping at 80 ℃, after tested, through the kernmantle that above-mentioned surface-coated is processed and drying and shaping is processed, its kernmantle line density, the performances such as ultimate strength all have clear improvement, kernmantle line density can improve 8-12% left and right, ultimate strength improves 8-12% left and right.
Embodiment tri-
The present embodiment provides a kind of 12 strands of kernmantles, and preparation method is as follows:
To 300 dawn of line density, wide 3mm, thick 0.02mm, at the 28 grams/dawn of fracture strength, at the 1700 grams/dawn of stretch modulus, the tapes of ultra high molecular weight polyethylene of elongation at break 1.9% is brought twisting together, twists with the fingers to being Z-direction, and the twist is 20/meter, makes single thread.53 single thread are brought together and are integrated, make one yarn thigh.12 strands of yarn thighs are woven by braiding machine, wherein the part axle of braiding machine be take in the process of braiding to 6 strands of yarn thighs along S to twisting (twist is 15/meter) to rotating along S, the part axle of braiding machine rotates take along Z-direction twists (twist is 15/meter) to remaining 6 strands of yarn thighs along Z-direction in the process of braiding, interspersed interweaving is integrated yarn thigh after each burst of twisting mutually, make kernmantle, the diameter of this kernmantle is 6mm.
The kernmantle that adopts American I nstron SATEC series horizontal Material Testing Machine and GB/T8834 (mensuration of national standard rope Physics and mechanical performance) testing standard to make the above method of the present embodiment carries out performance test.After tested, the kernmantle line density that the above method of the present embodiment makes is 21.2ktex, and ultimate strength is 37KN, the 19.8 grams/dawn of fracture strength, rate of utilization of strength is 70.7%, cost be about the same diameter of preparing based on superhigh molecular weight polyethylene fibers 12 strands of kernmantles 70%.
Further, above-mentioned 12 strands of kernmantles are put into aqueous polyurethane resin emulsion, make this kernmantle outer surface infiltrate Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent, be 40%, the kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping at 80 ℃, with the outer surface at this kernmantle, form urethane resin layer.Under same test condition, to being formed with the kernmantle of urethane resin layer, carry out performance test.After tested, be formed with line density and the ultimate strength of the kernmantle of urethane resin layer, relatively do not form line density and the ultimate strength of the kernmantle of urethane resin layer, improved separately respectively approximately 8%.
Embodiment tetra-
The present embodiment provides a kind of 12 strands of kernmantles, and preparation method is as follows:
To 2400 dawn of line density, wide 24mm, thick 0.02mm, at the 28 grams/dawn of fracture strength, at the 1700 grams/dawn of stretch modulus, the tapes of ultra high molecular weight polyethylene of elongation at break 1.9% is brought twisting together, twists with the fingers to being Z-direction, and the twist is 25/meter, makes single thread.17 single thread are brought together and are integrated, make one yarn thigh.12 strands of yarn thighs are woven by braiding machine, wherein the part axle of braiding machine be take in the process of braiding to 6 strands of yarn thighs along S to twisting (twist is 15/meter) to rotating along S, the part axle of braiding machine rotates take along Z-direction twists (twist is 15/meter) to remaining 6 strands of yarn thighs along Z-direction in the process of braiding, interspersed interweaving is integrated yarn thigh after each burst of twisting mutually, make kernmantle, the diameter of this kernmantle is 10mm.
The kernmantle that adopts American I nstron SATEC series horizontal Material Testing Machine and GB/T8834 testing standard to make the above method of the present embodiment carries out performance test.After tested, the kernmantle line density that the above method of the present embodiment makes is 54.5ktex, and ultimate strength is 94KN, the 19.6 grams/dawn of fracture strength, rate of utilization of strength is 69.8%, cost be about the same diameter of preparing based on superhigh molecular weight polyethylene fibers 12 strands of kernmantles 65%.
Further, above-mentioned 12 strands of kernmantles are put into aqueous polyurethane resin emulsion, make this kernmantle outer surface infiltrate Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent, be 40%, the kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping at 80 ℃, with the outer surface at this kernmantle, form urethane resin layer.Under same test condition, to being formed with the kernmantle of urethane resin layer, carry out performance test.After tested, be formed with line density and the ultimate strength of the kernmantle of urethane resin layer, relatively do not form line density and the ultimate strength of the kernmantle of urethane resin layer, improved separately respectively approximately 10%.
Embodiment five
The present embodiment provides a kind of 12 strands of kernmantles, and preparation method is as follows:
To 6000 dawn of line density, wide 108mm, thick 0.011mm, at the 26 grams/dawn of fracture strength, at the 1600 grams/dawn of stretch modulus, the ultra-high molecular weight polyethylene film of elongation at break 2.1% is brought twisting together, twists with the fingers to being Z-direction, and the twist is 30/meter, makes single thread.17 single thread are brought together and are integrated, make one yarn thigh.12 strands of yarn thighs are woven by braiding machine, wherein the part axle of braiding machine be take in the process of braiding to 6 strands of yarn thighs along S to twisting (twist is 20/meter) to rotating along S, the part axle of braiding machine rotates take along Z-direction twists (twist is 20/meter) to remaining 6 strands of yarn thighs along Z-direction in the process of braiding, interspersed interweaving is integrated yarn thigh after each burst of twisting mutually, make kernmantle, the diameter of this kernmantle is 16mm.
The kernmantle that adopts American I nstron SATEC series horizontal Material Testing Machine and GB/T8834 testing standard to make the above method of the present embodiment carries out performance test.After tested, the kernmantle line density that the above method of the present embodiment makes is 139.3ktex, and ultimate strength is 224KN, the 18.2 grams/dawn of fracture strength, rate of utilization of strength is 70.1%, cost be about the same diameter of preparing based on superhigh molecular weight polyethylene fibers 12 strands of kernmantles 60%.
Further, above-mentioned 12 strands of kernmantles are put into aqueous polyurethane resin emulsion, make this kernmantle outer surface infiltrate Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent, be 40%, the kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping at 80 ℃, with the outer surface at this kernmantle, form urethane resin layer.Under same test condition, to being formed with the kernmantle of urethane resin layer, carry out performance test.After tested, be formed with line density and the ultimate strength of the kernmantle of urethane resin layer, relatively do not form line density and the ultimate strength of the kernmantle of urethane resin layer, improved separately respectively approximately 9%.
Embodiment six
The present embodiment provides a kind of 12 strands of kernmantles, and preparation method is as follows:
To 10000 dawn of line density, wide 180mm, thick 0.011mm, at the 26 grams/dawn of fracture strength, at the 1600 grams/dawn of stretch modulus, the ultra-high molecular weight polyethylene film of elongation at break 2.1% is brought twisting together, twist with the fingers to be S to, the twist is 35/meter, makes single thread.20 single thread are brought together and are integrated, make one yarn thigh.12 strands of yarn thighs are woven by braiding machine, wherein the part axle of braiding machine be take in the process of braiding to 6 strands of yarn thighs along S to twisting (twist is 20/meter) to rotating along S, the part axle of braiding machine rotates take along Z-direction twists (twist is 20/meter) to remaining 6 strands of yarn thighs along Z-direction in the process of braiding, interspersed interweaving is integrated yarn thigh after each burst of twisting mutually, make kernmantle, the diameter of this kernmantle is 24mm.
The kernmantle that adopts American I nstron SATEC series horizontal Material Testing Machine and GB/T8834 testing standard to make the above method of the present embodiment carries out performance test.After tested, the kernmantle line density that the above method of the present embodiment makes is 258.1ktex, and ultimate strength is 412KN, the 18.1 grams/dawn of fracture strength, rate of utilization of strength is 69.6%, cost be about the same diameter of preparing based on superhigh molecular weight polyethylene fibers 12 strands of kernmantles 55%.
Further, above-mentioned 12 strands of kernmantles are put into aqueous polyurethane resin emulsion, make this kernmantle outer surface infiltrate Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent, be 40%, the kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping at 80 ℃, with the outer surface at this kernmantle, form urethane resin layer.Under same test condition, to being formed with the kernmantle of urethane resin layer, carry out performance test.After tested, be formed with line density and the ultimate strength of the kernmantle of urethane resin layer, relatively do not form line density and the ultimate strength of the kernmantle of urethane resin layer, improved separately respectively approximately 10%.
Embodiment seven
The present embodiment provides a kind of 8 strands of kernmantles, and preparation method is as follows:
To 12000 dawn of line density, wide 220mm, thick 0.009mm, at the 40 grams/dawn of fracture strength, at the 2400 grams/dawn of stretch modulus, the ultra-high molecular weight polyethylene film of elongation at break 1.5% is brought twisting together, twist with the fingers to be S to, the twist is 35/meter, makes single thread.Bring 46 single thread together twisting and be integrated, twist with the fingers to being Z-direction, the twist is 20/meter, makes one yarn thigh, might as well be called yarn thigh A, prepares altogether 4 gangs of yarn thigh A.
To 12000 dawn of line density, wide 220mm, thick 0.009mm, at the 40 grams/dawn of fracture strength, at the 2400 grams/dawn of stretch modulus, the ultra-high molecular weight polyethylene film of elongation at break 1.5% is brought twisting together, twists with the fingers to being Z-direction, and the twist is 35/meter, makes single thread.Bring 46 single thread together twisting and be integrated, twist with the fingers to be S to, the twist is 20/meter, makes one yarn thigh, might as well be called yarn thigh B, prepares altogether 4 gangs of yarn thigh B.
8 strands of yarn thighs are woven by braiding machine, the part axle that wherein braiding machine is controlled yarn thigh A be take in braiding process to 4 gangs of yarn thigh A along S to twisting (twist is 10/meter) to rotating along S, the part axle that braiding machine is controlled yarn thigh B rotates and take in the process of braiding to being left 4 gangs of yarn thigh B along Z-direction twisting (twist is 20/meter) along Z-direction, interspersed interweaving is integrated yarn thigh after each burst of twisting mutually, make kernmantle, the diameter of this kernmantle is 30mm.
The kernmantle that adopts American I nstron SATEC series horizontal Material Testing Machine and GB/T8834 testing standard to make the above method of the present embodiment carries out performance test.After tested, the kernmantle line density that the above method of the present embodiment makes is 491.5ktex, and ultimate strength is 1235KN, the 28.5 grams/dawn of fracture strength, rate of utilization of strength is 71.2%, cost be about the same diameter of preparing based on superhigh molecular weight polyethylene fibers 8 strands of kernmantles 55%.
Further, above-mentioned 8 strands of kernmantles are put into aqueous polyurethane resin emulsion, make this kernmantle outer surface infiltrate Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent, be 40%, the kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping at 80 ℃, with the outer surface at this kernmantle, form urethane resin layer.Under same test condition, to being formed with the kernmantle of urethane resin layer, carry out performance test.After tested, be formed with line density and the ultimate strength of the kernmantle of urethane resin layer, relatively do not form line density and the ultimate strength of the kernmantle of urethane resin layer, improved separately respectively approximately 12%.
Embodiment eight
The present embodiment provides a kind of 16 strands of kernmantles, and preparation method is as follows:
To 4000 dawn of line density, wide 60mm, thick 0.008mm, at the 42 grams/dawn of fracture strength, at the 2200 grams/dawn of stretch modulus, the tapes of ultra high molecular weight polyethylene of elongation at break 1.7% is brought twisting together, twist with the fingers to be S to, the twist is 35/meter, makes single thread.70 single thread are brought together and are integrated, make one yarn thigh.16 strands of yarn thighs are woven by braiding machine, wherein the part axle of braiding machine be take in the process of braiding to 8 strands of yarn thighs along S to twisting (twist is 20/meter) to rotating along S, the part axle of braiding machine rotates take along Z-direction twists (twist is 20/meter) to remaining 8 strands of yarn thighs along Z-direction in the process of braiding, interspersed interweaving is integrated yarn thigh after each burst of twisting mutually, make kernmantle, the diameter of this kernmantle is 30mm.
The kernmantle that adopts American I nstron SATEC series horizontal Material Testing Machine and GB/T8834 testing standard to make the above method of the present embodiment carries out performance test.After tested, the kernmantle line density that the above method of the present embodiment makes is 493.7ktex, and ultimate strength is 1284KN, the 29.5 grams/dawn of fracture strength, rate of utilization of strength is 70.2%, cost be about the same diameter of preparing based on superhigh molecular weight polyethylene fibers 16 strands of kernmantles 60%.
Further, above-mentioned 16 strands of kernmantles are put into aqueous polyurethane resin emulsion, make this kernmantle outer surface infiltrate Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent, be 40%, the kernmantle that is infiltrated with aqueous polyurethane resin emulsion is carried out to drying and shaping at 80 ℃, with the outer surface at this kernmantle, form urethane resin layer.Under same test condition, to being formed with the kernmantle of urethane resin layer, carry out performance test.After tested, be formed with line density and the ultimate strength of the kernmantle of urethane resin layer, relatively do not form line density and the ultimate strength of the kernmantle of urethane resin layer, improved separately respectively approximately 10%.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kernmantle, it is characterized in that, described kernmantle is made by the braiding of multistrand yarn thigh, and per share yarn thigh is made by many single thread plying or using a single thread as one yarn thigh, every single thread is brought together to form or bring together to twist by ultra-high molecular weight polyethylene film or band and formed.
2. kernmantle according to claim 1, is characterized in that,
Described ultra-high molecular weight polyethylene is that molecular weight is at more than 1,000,000 polyethylene;
Described ultra-high molecular weight polyethylene film or band itself have certain width and thickness, are a kind of overall structures that there is no binding site or cutting line.
3. kernmantle according to claim 1, is characterized in that, every described single thread stretches direction by ultra-high molecular weight polyethylene film or band along its strand and brings together and form or bring together twisting and form.
4. kernmantle according to claim 1, is characterized in that, described per share yarn thigh is made by many single thread plying, comprising:
Per share described yarn thigh is brought together to be integrated by many described single thread and is made; Or,
Per share described yarn thigh is brought together twisting or is twisted to be integrated by many described single thread and makes; Or,
Per share described yarn thigh is woven to one by many described single thread and makes.
5. kernmantle according to claim 4, is characterized in that, described kernmantle is made by the braiding of multistrand yarn thigh, comprising:
By multiply, the yarn thigh braiding without twisting makes described kernmantle, wherein: the yarn thigh that partly nothing is twisted in braiding process is along the first sth. made by twisting to twisting, and part is without the yarn thigh of twisting along the second sth. made by twisting to twisting, and interspersed interweaving is integrated the yarn thigh after each several part is twisted mutually.
6. kernmantle according to claim 4, is characterized in that, described kernmantle is made by the braiding of multistrand yarn thigh, comprising:
Described kernmantle has the yarn thigh braiding of twisting to make by multiply, wherein: described multiply have the yarn thigh of twisting comprise part first twist with the fingers to yarn thigh and part second twist with the fingers to yarn thigh, different twist with the fingers to yarn thigh mutually intert to interweave and be integrated.
7. kernmantle according to claim 4, is characterized in that, described kernmantle is made by the braiding of multistrand yarn thigh, comprising:
Described kernmantle has the yarn thigh braiding of twisting to make by multiply, wherein: by part have first twist, first twist with the fingers to yarn thigh along the second sth. made by twisting to twisting second twist, by part have the 3rd twist, second twist with the fingers to yarn thigh along the first sth. made by twisting to twisting the 4th twist, each several part mutually interts to interweave and is integrated; Described second twist is less than described first twist, and described the 4th twist is less than described the 3rd twist.
8. kernmantle according to claim 4, it is characterized in that, at described yarn thigh, by many single thread, brought together twisting or twisting be integrated make, every single thread brought together under the situation that twisting forms by ultra-high molecular weight polyethylene film or band, the sth. made by twisting of described yarn thigh is to the sth. made by twisting with described single thread to contrary, and/or the twist of described yarn thigh is less than the twist of described single thread.
9. kernmantle according to claim 1, is characterized in that,
The relevant parameter of described ultra-high molecular weight polyethylene film meets: line density was more than or equal to for 5000 dawn; Width is more than or equal to 100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%;
Or,
The relevant parameter of described tapes of ultra high molecular weight polyethylene meets: line density was more than or equal to for 100 dawn, was less than for 5000 dawn; Width 1-100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.
10. a preparation method for kernmantle, is characterized in that, for the preparation of the kernmantle as described in as arbitrary in claim 1-9, described preparation method comprises:
Bring or bring together ultra-high molecular weight polyethylene film or band together twisting, make single thread;
Many single thread plying are made to yarn thigh;
Yarn thigh braiding described in multiply is made to kernmantle.
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| PCT/CN2013/077546 WO2014201653A1 (en) | 2013-06-20 | 2013-06-20 | High-strength rigging and preparation method thereof |
| WOPCT/CN2013/077545 | 2013-06-20 | ||
| WOPCT/CN2013/077546 | 2013-06-20 | ||
| PCT/CN2013/077545 WO2014201652A1 (en) | 2013-06-20 | 2013-06-20 | Single yarn, single yarn product, and preparation method therefor |
| CN201410277438.4A CN104088081A (en) | 2013-06-20 | 2014-06-19 | Braided rope and preparation method thereof |
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Application publication date: 20141008 |