CN107429482A - Indicator yarn configuration - Google Patents

Indicator yarn configuration Download PDF

Info

Publication number
CN107429482A
CN107429482A CN201680013012.5A CN201680013012A CN107429482A CN 107429482 A CN107429482 A CN 107429482A CN 201680013012 A CN201680013012 A CN 201680013012A CN 107429482 A CN107429482 A CN 107429482A
Authority
CN
China
Prior art keywords
fiber
yarn
indicator
configuration according
yarn configuration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201680013012.5A
Other languages
Chinese (zh)
Inventor
保罗斯·约翰尼斯·雅辛托斯·马利亚·斯梅茨
汉斯·施耐德斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSM IP Assets BV
Original Assignee
DSM IP Assets BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DSM IP Assets BV filed Critical DSM IP Assets BV
Publication of CN107429482A publication Critical patent/CN107429482A/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
    • D06M10/025—Corona discharge or low temperature plasma
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/145—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising elements for indicating or detecting the rope or cable status
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/24—Ropes or cables with a prematurely failing element
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
    • 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
    • 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
    • D07B2201/201—Wires or filaments characterised by a coating
    • D07B2201/2011—Wires or filaments characterised by a coating comprising metals
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2036—Strands characterised by the use of different wires or filaments
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2036—Strands characterised by the use of different wires or filaments
    • D07B2201/2037—Strands characterised by the use of different wires or filaments regarding the dimension of the wires or filaments
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2042—Strands characterised by a coating
    • D07B2201/2043—Strands characterised by a coating comprising metals
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2046—Strands comprising fillers
    • 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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2301/00—Controls
    • D07B2301/55—Sensors
    • D07B2301/5531—Sensors using electric means or elements
    • D07B2301/5536—Sensors using electric means or elements for measuring electrical current
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2301/00—Controls
    • D07B2301/55—Sensors
    • D07B2301/5531—Sensors using electric means or elements
    • D07B2301/554—Sensors using electric means or elements for measuring variable resistance
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2801/00—Linked indexing codes associated with indexing codes or classes of D07B
    • D07B2801/10—Smallest filamentary entity of a rope or strand, i.e. wire, filament, fiber or yarn
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
    • D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]

Abstract

The present invention relates to the yarn configuration comprising fiber A and at least one indicator fiber, wherein described indicator fiber includes fiber B and at least in part elemental metals on coated fiber B surface, and wherein fiber A and fiber B are dissimilar ultra-high molecular weight polyethylene (UHMWPE) fibers.The yarn configuration can obtain in different forms, especially be provided in the form of rope, band, hoist cable, fabric and synthesis chain.

Description

Indicator yarn configuration
The present invention relates to the yarn configuration comprising fiber A and at least one indicator fiber, wherein the indicator fiber Comprising the fiber B and at least in part elemental metals on coated fiber B surface.This yarn configuration can obtain in different forms , especially provided in the form of rope, band, hoist cable, fabric and synthesis chain.
Yarn texture (such as rope, hoist cable, fabric and synthesis chain) from UHMWPE fibers is used for many applications, such as Lifting, fixation, protection load, goods or personnel.The failure of the yarn texture can cause substantial infringement, if do not made Into casualties or thing is damaged, then can cause the cost changed.
Infringement, particularly work as the infringement occurred via the abrasion of yarn texture typically by contactless visual inspection Look into what the construction can not detect, and hand inspection is labor-intensive and further dislike is produced to yarn configuration Change.Therefore, the preparation to replacing is difficult to, thus it requires the additional safety of increase cost is had more than needed.
In the past, it has been reported that to the monitoring system of yarn configuration, particularly to rope and cable.These systems are intended to The improvement of the detection and monitoring to rope and the state of wear of cable is provided, to change in time.
Rope and cable including electric conductivity indicator yarn are for example from known to EP 2499291.EP 2499291 is described Conductive monofilament or multifilament HPPE yarns and the rope or cable for including conductive HPPE yarns, the wherein aging of rope can pass through finger Show the reduction of the electric conductivity of agent yarn to track.
US 8,360,208 is described with indicator yarn to monitor the life-span of aramid fibre rope.Indicator yarn Line is higher by modular ratio aramid fibre and is formed by the carbon indicator fiber of aramid fibre encirclement.The structure The indicator yarn more early deteriorated of offer is made, this causes the Signal Fail transmitted via indicator yarn.
From EP 0731209, it is known that stratiform aramid cords rigging has the carbon fiber being present in each layer.Buckle carbon The amount of fiber provides the instruction of the abrasion to rope, it is ensured that the residual bearing capacity of synthetic fiber rope.
Although above-described yarn texture represents the improvement to the monitoring of the life-span of synthetic rope and cable, need always Further to improve, in particular for the monitoring system with less complicated yarn texture and/or increased controllability.
It is therefore an object of the present invention to provide with the yarn texture for further improving life-span monitoring.Especially, it is of the invention Purpose be to provide the yarn configuration with less labyrinth, such as reduce the single yarn component of quantity.The present invention's is another One purpose can be to provide a kind of yarn texture with more extensive multifarious monitoring system.
It is surprising that the purpose of the present invention passes through the yarn configuration comprising fiber A and at least one indicator fiber Realize, wherein indicator fiber includes fiber B and the elemental metals on coated fiber B surface at least in part, wherein fiber A with Fiber B is dissimilar ultra-high molecular weight polyethylene (UHMWPE) fiber.
" fiber " is herein understood to slender bodies, and its length dimension is much larger than the lateral dimension of its thickness and width. Therefore, term " fiber " includes long filament, silk ribbon, bar, broadband, band and other has the similar of rule or irregular cross section Thing.Fiber can have continuous length, referred in the art as continuous filament yarn, or have discontinuous length, and this area claims Be chopped fiber.Yarn for purposes of the present invention is the slender bodies for including many single fibers." single fiber " is herein In be understood to fiber in itself.
Term " yarn configuration " is herein understood to comprising at least two yarns or is made up of at least two yarns Construction, such as braiding, textile, fabric, non-woven fleece, knitted fabric, twisting thing, tiling thing (laid), plan-parallel structure or with it The structure that his mode is formed.
In an embodiment of the invention, yarn configuration (such as twisting thing, tiling thing, braid, textile, is knitted Thing, non-woven fleece, knitted fabric, plan-parallel structure or the structure otherwise formed) can be with other kinds of yarn combination.It is preferred that Ground, other kinds of yarn are high performance yarns, such as poly- aramid yarns, polyamide yarn, teflon yarn, poly- third Alkene yarn etc..
Term " yarn configuration " is also covered by fiber array, such as unidirectional (UD) individual layer.One-way single-layer is to be prepared by the following procedure 's：On the suitable surface yarn is placed to be arranged in parallel and by embedded fiber in suitable host material.So it is made Network be the yarn unidirectionally to be alignd in parallel with each other along common yarn direction.
Preferably, it is that rope, hoist cable, fabric or synthesis chain according to the yarn configuration of the present invention.It is highly preferred that yarn structure It is rope to make, and wherein rope includes more strands, and the strand includes ultra-high molecular weight polyethylene (UHMWPE) fiber A and B.
UHMWPE fibers be understood to herein by ultrahigh molecular weight polyethylene into fiber, and its have at least 1.5th, preferably 2.0, more preferably at least 2.5 or at least 3.0N/tex toughness.The tensile strength of fiber (is also called for short strong Degree or toughness) determined by the known method described in experimental section.Have no reason to limit UHMWPE fibers in rope Toughness the upper limit, but available fiber generally have at most about 5 to 6N/tex toughness.UHMWPE fibers also have high draw Stretch modulus, for example, at least 75N/tex, preferably at least 100 or at least 125N/tex.UHMWPE fibers are also referred to as the poly- second of high-modulus Alkene fiber or high-performance polyethylene fibres.
UHMWPE yarns preferably have at least 5dtex, more preferably at least 10dtex fiber number.For the original of reality Cause, the fiber number of yarn of the invention is at most thousands of dtex, preferably no more than 4000dtex, more preferably up to 3000dtex. Preferably, the fiber number of yarn 10 to 10000, more preferably 15 to 6000 and most preferably 20 to 3000dtex scope It is interior.
UHMWPE fibers preferably have at least 0.1dtex, more preferably at least 0.5dtex, most preferably at least 0.8dtex filament linear-density.Maximum filament linear-density is at most 50dtex, preferably no more than 30dtex and most preferably at most 20dtex。
UHMWPE fibers can manufacture according to any technology as known in the art, such as pass through melting, solution or solidifying Glue spinning.Preferably, UHMWPE long filaments are manufactured according to gel spinning technique, and gel spinning technique is described in a large amount of publication In thing, including 0213208 A1, the US 4413110 of A, EP of EP 0205960, GB 2042414 A, GB-A-2051667, EP 0200547 0,472,114 01/73173 A1, EP 1,699,954 and " Advanced Fibre of B1, WO of B1, EP Spinning Technology”,Ed.T.Nakajima,Woodhead Publ.Ltd(1994),ISBN 185573 182 7 In.
UHMWPE is understood to inherent viscosity (IV, as measured on the solution at 135 DEG C in decahydronaphthalenes) for extremely Few 5dl/g, preferably about 8 to 40dl/g polyethylene.Inherent viscosity is measuring for molal weight (also referred to as molecular weight), its It can be easier to determine with such as Mn and Mw actual molar mass parameters.Some empirical relations, but this between IV and Mw be present Individual relation is highly dependent on molar mass distribution.Based on equation Mw=5.37 × 104[IV]1.37(referring to the A1 of EP 0504954), 8dl/g IV is equal to about 930kg/mol Mw.Preferably, UHMWPE is every 100 carbon atoms having less than a side chain, excellent Every linear polyethylene of 300 carbon atoms having less than a side chain is selected, side chain or side chain generally comprise at least ten carbon atom. Linear polyethylene may also contain up to 5mol% one or more of comonomers, for example, alkene, such as propylene, butylene, penta Alkene, 4- methylpentenes or octene.
In the context of the present invention, fiber A is base fiber, it means that fiber A represents main, the structure of yarn configuration Become second nature, important fiber type.Preferably, yarn configuration includes at least 60 weight % fiber A, more preferably at least 80 weights Measure %, most preferably at least 90 weight %.Therefore, in the context of the present invention, indicator fiber is the secondary of yarn configuration Part.Preferably, yarn texture includes at most 40 weight %, more preferably up to 20 weight %, most preferably up to 10 weights % indicator fiber is measured, wherein all wt percentage is expressed as weight of the corresponding fiber relative to the gross weight of yarn configuration Amount.As it is known to the person skilled in the art, yarn configuration can also include helper component, to further enhance performance or imparting Some extra properties.
In another preferred embodiment, yarn configuration has less than 0.1, preferably less than 0.05, more preferably Less than 0.02 and more preferably less than 0.01 indicator fiber and fiber A weight ratio.It is believed that larger fiber A with The ratio of indicating fiber causes the life-span of yarn configuration to increase, while keeps reliably monitoring the ability in the life-span of the construction.
In one preferred embodiment, at least one yarn A and at least one is included according to the yarn configuration of the present invention Individual indicator yarn, wherein yarn A include UHMWPE fibers A and indicator yarn includes at least one indicator fiber.It is excellent Selection of land, yarn A are substantially made up of UHMWPE fibers A, and/or indicator yarn is substantially made up of indicator fiber.
In the context of the present invention, indicator fiber and indicator yarn include UHMWPE fibers described above, The surface of UHMWPE fibers is coated with elemental metals at least in part.Coated UHMWPE fibers and the non-limiting example of yarn Son is described in EP 2499291, and the patent is incorporated herein by reference.Yarn described in EP 2499291 includes shape The elemental metals of stratification, the layer that elemental metals are formed are adhered to the surface of UHMWPE fibers and cover UHMWPE at least in part The surface of fiber.Elemental metals are deposited over the outer surface of UHMWPE fibers via plasma sputtering.Indicator fiber and refer to Show that agent yarn includes elemental metals, the elemental metals are once deposited on the surface of yarn or fiber, are just formed partially or completely Ground covers the layer on the surface of fiber or yarn." partly " refer to that the surface of fiber or yarn shows exposed part.This is exposed Part is the part on the surface of the fiber that elemental metals are not deposited on or yarn." fully " table of fiber or yarn is referred to Exposed part (as hereinbefore defined) is not presented for face.On the surface partially or even wholly covered of UHMWPE fibers or yarn On there may be partial layer surface defect random and generally occurring, such as pin hole, pit etc..
UHMWPE fibers B can have continuous length or discontinuous length, i.e. long filament or chopped strand.Although for some The indicator yarn with chopped strand B can be favourable for yarn configuration, but be also for example short for wherein fiber A Cut for the yarn configuration of fiber, yarn configuration preferably includes the indicator fiber with continuous filament fibers B.The present inventor It was found that this indicator fiber has a wider application, and compared with chopped fiber indicator fiber it is the commonly provided more Good life-span Monitoring Performance.
One essential feature of the yarn configuration of the present invention is：UHMWPE fibers A and B are different.It should here be understood that Fiber A and B are differed, you can be distinguished each other by least one measurable feature.This species diversity may be, for example, not With production process caused by, such as using different UHMWPE, using different spin solvents, in spinning process using not Draw ratio together, the composition added in process of production etc..It will be appreciated by persons skilled in the art that how to produce different from each other Fiber.
Specifically, this non-similarity between fiber A and B can be represented as the difference of measurable fibre property. This property of fiber can be represented typically with numerical value.The example of fibre property is that filament linear-density, tenacity of fibre, fiber break Split elongation, fiber stretch modulus, UHMWPE inherent viscosity.Therefore, a preferred embodiment of the invention is fiber A Different at least in a properties with B, the property is selected from filament linear-density, tenacity of fibre, fibrous fracture elongation, fiber and drawn Stretch modulus and the group of UHMWPE inherent viscosity composition.
Therefore, the difference of at least one feature can be as caused by the difference in production process, and be therefore fiber or One expected difference of yarn." difference " is not understood to generally in process of production due to process variation occur herein Difference.This specification that is smaller, and commercial materials will being fallen on principle of diversity as caused by fluctuation in such as manufacturing process In the range of.By contrast, reaching fiber or yarn according to the difference of the fiber of the present invention or yarn can be identified as individually dividing From product point degree.Therefore, in a preferred embodiment of the present invention, fiber B property and fiber A phase At least one ratio for answering property is at most 0.95, preferably at most 0.9, even more preferably 0.8.
Or the difference of at least one fibre property can be expressed as percentage difference.This percentage difference passes through such as Get off to calculate：By the difference of fiber A property and fiber B corresponding properties divided by the fiber A property, as a percentage, Referred to herein as score difference XOR percentage difference.The relevant nature of fiber measures and with identical unit table in an identical manner Show.
As used herein, different property refers to that the value of fiber B relevant nature is lower than fiber A value at least 5%, more Preferably low at least 10%, even more preferably still low at least 15%, most preferably at least 20%.
In one embodiment, at least one difference between fiber A and fiber B can be in fiber A and/or fiber Filler in B be present.Fiber comprising filler is for example from EP2074248 and EP2815006, it is known that it is incorporated by reference into this Text.In the specific embodiment of the present invention, the difference of fibre property is that fiber B includes and more filled out than fiber A Expect weight.Preferably, fiber B includes at least 2 weight %, more preferably at least 3 weight %, most preferably at least 4 weights more than fiber A Measure % filler.All percetages by weight are expressed as the weight of filler present in fiber divided by each fibre including filler The gross weight of dimension.It will be apparent to one skilled in the art that the presence of filler may influence other performances of fiber in fiber, because This may potentially find to exceed a kind of difference of fibre property.In one preferred embodiment, fiber A, which is included, is less than 1 Weight % filler, preferably fiber A include the filler less than 0.5 weight %.
" filler " is herein understood to the particle being present in fiber different from UHMWPE, preferable real at one Apply in mode, filler particles have high rigidity.Therefore, a preferred embodiment of the invention is such yarn texture, its Middle fiber B includes the filler that hardness is higher than the fiber stiffness measured when in the absence of filler.Hardness expressed by this paper can lead to Known method measurement is crossed, hardness is preferably represented with Mohs' hardness and is compared each other.
Preferably, the Mohs' hardness of filler is at least 2.5, more preferably at least 4, most preferably at least 6.Common filler Including but not limited to metal, metal oxide (such as aluminum oxide), metal carbides (such as tungsten carbide), metal nitride, gold Belong to sulfide, metal silicate, metal silicide, metal sulfate, metal phosphate and metal boride.Other examples include Silica and carborundum.The combination of other ceramic materials and above-mentioned material can also be used.
Particle size, size distribution, particle diameter and the quantity of filler are suitable to the mechanical performance for influenceing fiber.Filler particles can be with It is made of substantially spherical, its average particle size particle size is substantially equal to average grain diameter.For substantial rectangular particle (such as pin or Fiber), particle size can refer to the length dimension along the major axis of particle, and average particulate diameter (or abbreviation diameter) refers to hang down Directly in the rectangle length direction cross section average diameter.
In a preferred embodiment of the present invention, at least part of filler particles have at least 3 draw ratio, more excellent Selection of land filler is substantially made up of the particle that draw ratio is at least 3.This rectangular filler grain shape shows to improve indicator Response of the yarn to the mechanical stress of yarn configuration.The draw ratio of filler particles is the length and diameter ratio of hard fibre.Such as Reported in EP2815006, the diameter and aspect ratio of hard fibre can readily determine that.
Preferably, the filler of fiber is manufactured by glass, mineral or metal, or carbon fiber.
In one embodiment, carbon fiber is used as filler.Most preferably, using a diameter of 3 to 10 microns, more preferably The carbon fiber on 4 to 6 microns of ground.Molded products containing carbon fiber have increased electric conductivity, and be especially suitable for length More than 100, the 500 or even fiber of 1000 meters of the indicator yarn for cord construction.
In addition, for yarn configuration, the UHMWPE fibres with extraordinary performance characteristics under stress can be used Tie up A.This performance characteristics can be such as creep, dynamic back-flexing ability, elongation at break, wearability or La-drawing fatigue. The UHMWPE fibers B included in indicator fiber and/or indicator yarn is by with more inferior than fiber A corresponding under stress Performance characteristics.Those skilled in the art that processing yarn configuration is used for application-specific will be appreciated that main stress and inefficacy mechanism, And it will select that there is high performance fiber A in the application.Therefore, those skilled in the art will know to wait to be used as indicating The fiber B of the agent fiber fiber with poor performance.Therefore, another embodiment of the invention is such yarn structure Make, wherein fiber B is more inferior than fiber A at the aspect that meets with stresses.
In one preferred embodiment, fiber B is represented as than the inferior of fiber A：Fiber B bending fatigue strength It is more inferior than fiber A bending fatigue strength；Fiber B elongation at break is more inferior than fiber A elongation at break；Fiber B's is resistance to Mill property is more inferior than fiber A wearability；Fiber B La-drawing endurance ratio fiber A La-drawing fatigue is inferior；Or fiber B's is compacted It is more inferior than fiber A creep rupture to become fracture.Industry is it has been observed that flexural fatigue, yarn elongation, abrasion and creep rupture are to include The dominant failure mechanism of the yarn configuration of high intensity UHMWPE fibers.Particularly, rope or relative configurations due to construction repeatedly Bending and by fatigue, or due to high load capacity or under a load for a long time operation and by extension fracture.Due to abrasion The failure of caused yarn configuration can observe in the yarn configuration for protective cover, can also be in carry load Yarn configuration (such as rope and hoist cable) outer layer in observe.When yarn configuration is installed under permanent tension, Ke Yiguan Observe the failure of the yarn configuration caused by creep.The present invention can provide a kind of monitoring system, for occurring seriously The demand for changing yarn configuration is recognized before infringement in time.
In the present invention, meet with stresses and be represented as a property of fiber.Those skilled in the art know clearly, In some cases, can only apply stress, and to the resistance of the stress can only in the yarn or even yarn configuration (such as Rope) present in determine on fiber.Therefore, the statement of " fiber B is more inferior than fiber A at the aspect that meets with stresses " is understood to, Fiber A and B using the yarn formed as fiber, by respective fiber or in the yarn configuration of the yarn of fiber come each other It is compared.
In addition to the indicator fiber comprising fiber B and fiber A, yarn configuration can also include other synthetic fibers.This Inventor has found that the property of other this synthetic fibers and/or the performance that meets with stresses are for the function of indicator yarn It is significantly less critical.In one preferred embodiment, in addition to being coated on UHMWPE fibers B elemental metals, indicator yarn Other synthetic fibers can also be included.Preferably, these other synthetic fibers have the correspondence of the property at least equal to fiber B Matter, and/or the performance with the performance that meets with stresses at least equal to fiber B.Preferably, it may be present in its in indicator fiber His synthetic fibers are fiber A or fiber B.This yarn configuration has proven to less complicated, and can improve yarn The reliability of the life-span instruction of construction.
In another preferred embodiment of the present invention, at least one indicator fiber or indicator yarn are twisting , tiling or braiding, to form the yarn of the assembling of yarn configuration.The yarn of this assembling can be substantially fine by indicator Dimension composition, or can be combined with other synthetic fibers described above, to form the yarn of assembling.It is preferable real at another Apply in mode, indicator fiber or indicator yarn be with fiber A, with fiber B or with fiber A and fiber B twisting, tiling or Braiding, to form the yarn of assembling." yarn of assembling " is herein understood to the middle production comprising at least one yarn Thing, at least one yarn have individually been processed or processed with other yarn combinations.
In another preferred embodiment, yarn configuration includes carrying core, and the carrying core includes at least one instruction Agent fiber or indicator yarn.It has been recognised by the inventors that especially yarn configuration (such as synthesis or Hybrid rope, hoist cable or synthesis chain Knot) the infringement that can all be occurred by the abrasion via yarn configuration of carrying core.The core is substantially embedded in yarn configuration Inside, covered by other thread layers, metal wire, resinous coat etc. so that nondestructive visual inspection becomes extremely difficult.Cause This, the present invention is particularly suitable the life-span for monitoring this yarn configuration comprising carrying core.
Yarn configuration can include multiple thread layers or strand layer.Each layer of this construction can include at least one finger Show agent fiber or yarn, so that the gradual degeneration of monitoring yarn configuration, and the replacing of yarn configuration can be estimated. Therefore, one embodiment of the invention is a kind of yarn configuration, and it is asymmetrically positioned over yarn structure comprising at least two Make interior indicator fiber or yarn." asymmetrically placing " is herein understood to, and indicator fiber or yarn are located at Through differently stressed opening position under the operation of yarn configuration.In the case where yarn configuration is rope, " asymmetry " is limited to In the cross section of rope with the unequal position of rope centre distance.In the case where yarn configuration is fabric, " asymmetry " The reference surface in fabric with fabric is limited to apart from unequal position.
In another embodiment, yarn configuration can include the distinguishing indicator fiber of at least two or yarn.This 2 distinguishing indicator fibers have distinguishing response to the stress for putting on yarn configuration.This distinguishing sound Answering property can realize that wherein difference is by also to fiber B descriptions by the indicator fiber comprising different UHMWPE fibers B Measurable fibre property represents.The different responses of indicator yarn can also pass through realization of such as getting off：Individually assembling refers to Show agent fiber or combine assembling with other synthetic fibers via twisting or braiding.
The present invention is explained further by means of following examples and comparative experiments.
Measuring method
Inherent viscosity (IV) determines in decahydronaphthalenes according to ASTM-D1601/2004 at 135 DEG C, during dissolving Between be 16 hours, it is the DBPC of 2g/l solution as antioxidant to use dosage, and the viscosity that will be measured under various concentrations Extrapolation obtains the viscosity under zero-dose.Some empirical relations between IV and Mw be present, but these relations are highly dependent on a mole matter Amount distribution.Based on equation Mw=5.37*104[IV]1.37(referring to the A1 of EP 0504954), 4.5dl/g IV is corresponding to about 422kg/mol Mw。
Side chain in polyethylene or UHMWPE samples be by FTIR on the thick compression molded films of 2mm by using base In calibration curve (such as in EP 0 269 151) quantitative analysis that NMR is measured in 1375cm-1Place absorbs to determine.
The tensile property of fiber：Tensile strength (or intensity) and stretch modulus (or modulus) are according in ASTM D885M Regulation determines on polyfilament yarn, using the nominal gauge length of 500mm fiber, 50%/min crosshead speed, and The model Fibre Grip D5618C fixtures of Instron 2714.On the basis of the load-deformation curve measured, with 0.3 and 1% gradient between strain determine modulus.In order to calculate modulus and intensity, by the tensile stress measured divided by fiber number, Fiber number by weigh 10 meters fiber determine；It is assumed that density is 0.97g/cm3, evaluation, in terms of GPa.
The fiber number of yarn or long filament be respectively by weigh 100 meters yarn or long filament determine.Yarn or long filament Dtex by the way that the weight (being represented with milligram) divided by 10 are calculated；Threads be by weigh 10 meters fiber or Yarn determines.
The fracture strength and elongation at break of cord construction are that the Universal of Zwick 1484 are used in dry-eye disease Test machine is at about 21 DEG C and with 100mm/min velocity determination.
Embodiment and contrast experiment
Prepare the fiber and indicator yarn of silver coating
The fiber of two kinds of silver coating has been prepared for according to the method described in EP 2499291 embodiment 3. Made respectively since business UHMWPE yarn grade 3G12 1760dtex and the SK78 1760dtex purchased from DSM Dyneema For the fiber of silver coating.Silver processing is carried out in 220dtex endless tow, obtains the endless tow 1 (3G12) and 2 of silver coating (SK78)。
Using the endless tow of the two silver coatings, 3 indicator yarns are assembled：
Indicator yarn 1：The endless tow 1 of silver coating is assembled with the 20tz from 8x 220dtex SK78 80tz, with shape Into the indicator yarn of 1760dtex silver coatings.
Indicator yarn 2：Indicator yarn 1 is further assembled with 3 3G12 1760dtex yarns (4st/cm, Braiding).
Indicator yarn 3：The endless tow 2 of silver coating and the 20tz from 8x 220dtex SK78 80tz are assembled, with Formed 1760dtex silver coatings indicator yarn, its further assembled with 3 3G12 1760dtex yarns (4st/cm, Braiding).
The preparation of yarn configuration
It has been prepared for the rope of a diameter of 21mm comprising above-mentioned three kinds of indicator yarns.Cord construction is 12 × 1 × 7 ×15×1760dtex SK78.In order to avoid three kinds of indicator yarns are in contact with each other, indicator yarn is inserted in S strands, There is the indicator without S strands between each indicator comprising S strands.In the end of the rope por-tion of assessment, instruction Agent yarn has logged out cord construction, and is connected to adjustable power supply and LED light via copper cash.
CBOS is tested
The rope that maximum breaking load is 400kN is subjected to reversed bending in pulley test, until fracture completely, using D/ D is 20 stainless steel pulley, and cycle frequency is 12 seconds, buckled zone 420mm, in dry conditions.Pulley reversed bending (Cyclic Bending Over Sheave) test machine obtains from Lucassen Metaalbewerking b.v., NL.
In testing, the load being applied on rope be promoted to its MBL 25% (it circulates 100 under 10%MBL It is secondary, circulate 25 times under 15%MBL, circulated 25 times under 20%MBL).After 1907 circulations are amounted to, rope failure.
3 LED by being connected to 3 indicator yarns monitor the degeneration of rope.After 925 circulations, indicator yarn The electrical conductivity of line 1 declines, and shows the failure of the indicator yarn in the 49% of rope life-span.Indicator yarn 2 and 3 exists Failed respectively after 1876 and 1899 circulations, i.e. the 98% of rope life-span and 99%, be used as in practical application and change in advance It is unacceptably late during the index of rope.

Claims (15)

1. the yarn configuration comprising fiber A and at least one indicator fiber, wherein the indicator fiber is comprising fiber B and extremely The partially elemental metals on coated fiber B surface, wherein fiber A and fiber B are different ultra-high molecular weight polyethylenes (UHMWPE) fiber.
2. yarn configuration according to claim 1, it includes at least one yarn A and at least one indicator yarn, its Described in yarn A include fiber A, and the indicator yarn includes indicator fiber.
3. yarn configuration according to claim 1 or 2, wherein the fiber A and fiber B at least in a properties not Together, characteristic of the property selected from filament linear-density, tenacity of fibre, fibrous fracture elongation, fiber stretch modulus and UHMWPE is glued Spend the group of composition.
4. yarn configuration according to claim 3, wherein fiber B property are at least one with fiber A corresponding properties Ratio is at most 0.95, preferably no more than 0.9, even more preferably still 0.80.
5. the yarn configuration according to any one in foregoing Claims, wherein at least fiber B include filler and wherein Fiber B includes at least 2 weight % filler more than fiber A, wherein weight % be in the fibre existing filler with comprising described The weight ratio of the gross weight of the fiber of filler.
6. yarn configuration according to claim 5, wherein the fiber B includes following filler, the hardness of the filler The hardness of the fiber measured during than in the absence of the filler is higher.
7. the yarn configuration according to any one in foregoing Claims, wherein the fiber B is in the aspect ratio that meets with stresses The fiber A is inferior.
8. yarn configuration according to claim 7, wherein it is described it is inferior be expressed as it is any：
The bending fatigue strength of the fiber B is more inferior than the bending fatigue strength of the fiber A；
The elongation at break of the fiber B is more inferior than the elongation at break of the fiber A；
The wearability of the fiber B is more inferior than the wearability of the fiber A；Or
The creep rupture of the fiber B is more inferior than the creep rupture of the fiber A.
9. the weight of the yarn configuration according to any one in foregoing Claims, wherein indicator fiber and tiling fiber A Amount is than less than 0.1, preferably less than 0.05, even more preferably less than 0.02 and more preferably less than 0.01.
10. the yarn configuration according to any one in foregoing Claims, wherein the indicator fiber or indicator yarn Line is twisted, tiles or woven with fiber A, with fiber B or with fiber A and fiber B, to form the yarn of assembling.
11. the yarn configuration according to any one in foregoing Claims, wherein fiber B are continuous filament yarns.
12. the yarn configuration according to any one in foregoing Claims, it is rope, hoist cable, fabric or synthesis link.
13. yarn configuration according to claim 12, it includes carrying core, and the carrying core includes at least one indicator Fiber or indicator yarn.
14. the yarn configuration according to any one in foregoing Claims, it is asymmetrically positioned over institute comprising at least two State indicator fiber or the yarn in yarn configuration.
15. the yarn configuration according to any one in foregoing Claims, it is fine that it includes the distinguishing indicator of at least two Dimension or indicator yarn.
CN201680013012.5A 2015-03-02 2016-02-29 Indicator yarn configuration Pending CN107429482A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15157133.8 2015-03-02
EP15157133 2015-03-02
PCT/EP2016/054200 WO2016139168A1 (en) 2015-03-02 2016-02-29 Indicator yarn construction

Publications (1)

Publication Number Publication Date
CN107429482A true CN107429482A (en) 2017-12-01

Family

ID=52692399

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680013012.5A Pending CN107429482A (en) 2015-03-02 2016-02-29 Indicator yarn configuration

Country Status (4)

Country Link
US (1) US20180023221A1 (en)
EP (1) EP3265597A1 (en)
CN (1) CN107429482A (en)
WO (1) WO2016139168A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109972430A (en) * 2019-04-23 2019-07-05 东华大学 A kind of fracture early warning rope and preparation method thereof based on carbon nanotube yarn

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113564944B (en) * 2021-08-18 2023-03-31 郑州中远防务材料有限公司 Composite rope

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992022701A1 (en) * 1991-06-11 1992-12-23 Dsm N.V. Roping
JP2004300609A (en) * 2003-03-31 2004-10-28 Tokyo Seiko Co Ltd Fiber rope for running rig
CN1564898A (en) * 2001-10-03 2005-01-12 奥蒂斯电梯公司 Elevator load bearing assembly having a detectable element that is indicative of local strain
CN101115873A (en) * 2005-02-11 2008-01-30 戈尔企业控股股份有限公司 Fluoropolymer fiber composite bundle
WO2014001969A1 (en) * 2012-06-27 2014-01-03 Nils Mittet Skarbovig Composite rope and mesh net made therefrom
WO2014012898A2 (en) * 2012-07-17 2014-01-23 Dsm Ip Assets B.V. Abrasion resistant product
US20140147671A1 (en) * 2009-11-13 2014-05-29 Claudia Maria Vaz Monofilament or multifilament hppe yarns

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2428374T3 (en) * 2006-12-04 2013-11-07 Inventio Ag Synthetic fiber cable
DE202009014031U1 (en) * 2009-10-16 2009-12-24 Manitowoc Crane Group France Sas Synthetic rope as a carrier for cranes and other hoists
DE202011001846U1 (en) * 2011-01-24 2012-04-30 Liebherr-Components Biberach Gmbh Device for detecting the Ablegereife a high-strength fiber rope when used on hoists

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992022701A1 (en) * 1991-06-11 1992-12-23 Dsm N.V. Roping
CN1564898A (en) * 2001-10-03 2005-01-12 奥蒂斯电梯公司 Elevator load bearing assembly having a detectable element that is indicative of local strain
JP2004300609A (en) * 2003-03-31 2004-10-28 Tokyo Seiko Co Ltd Fiber rope for running rig
CN101115873A (en) * 2005-02-11 2008-01-30 戈尔企业控股股份有限公司 Fluoropolymer fiber composite bundle
US20140147671A1 (en) * 2009-11-13 2014-05-29 Claudia Maria Vaz Monofilament or multifilament hppe yarns
WO2014001969A1 (en) * 2012-06-27 2014-01-03 Nils Mittet Skarbovig Composite rope and mesh net made therefrom
WO2014012898A2 (en) * 2012-07-17 2014-01-23 Dsm Ip Assets B.V. Abrasion resistant product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109972430A (en) * 2019-04-23 2019-07-05 东华大学 A kind of fracture early warning rope and preparation method thereof based on carbon nanotube yarn
CN109972430B (en) * 2019-04-23 2021-12-10 东华大学 Fracture early warning rope based on carbon nanotube yarn and preparation method thereof

Also Published As

Publication number Publication date
EP3265597A1 (en) 2018-01-10
US20180023221A1 (en) 2018-01-25
WO2016139168A1 (en) 2016-09-09

Similar Documents

Publication Publication Date Title
JP6206931B2 (en) Wear-resistant products
JP5542302B2 (en) Synthetic fiber rope
US10808355B2 (en) High-strength fibre rope for hoisting equipment such as cranes
JP4653929B2 (en) Cut-resistant cloth
AU2006329039B2 (en) Heavy-duty roundsling
US7849666B2 (en) Core-sheath rope
KR20180071282A (en) High-strength fiber rope for hoisting equipment such as crane
JP5787438B2 (en) Core-sheath type long / short composite spun yarn
EP2972286B1 (en) Synthetic rope, fiber optic cable and method for non-destructive testing thereof
US7797919B2 (en) Strand with increased adherence to metal disks
JP7165291B2 (en) Protective netting for catching falling rocks in tunnels
CN107429482A (en) Indicator yarn configuration
JP3518617B2 (en) Mooring line
Khatoon et al. Studies on torsional rigidity of mulberry and non-mulberry silks

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171201