CN103572454B - A kind of Fabric with low friction coefficient and application thereof - Google Patents
A kind of Fabric with low friction coefficient and application thereof Download PDFInfo
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Abstract
Open a kind of Fabric with low friction coefficient of the present invention and application thereof, this fabric is formed with weft yarns by warp thread, this fabric is by the woven fabric of polytetrafluoroethylene fibre with other fiber interweavings, fiber number as warp thread or the polytetrafluoroethylene fibre of weft yarn is 50～1400dtex, and described polytetrafluoroethylene fibre is that politef is without twisting filament.The Fabric with low friction coefficient of the present invention has that height self-lubricating property, wearability be good, the simple feature of technique, and this Fabric with low friction coefficient is applied to mechanical moving element.
Description
Technical field
The present invention relates to a kind of Fabric with low friction coefficient and application thereof.
Background technology
Traditional sliding bearing is typically all made by metal material, and this class bearing is limited in some occasion and makes
, such as underwater performance.Owing to traditional bearing adding lubricating oil, in order to prevent the phenomenon such as leakage of oil, oil dripping, thus greatly
Limit traditional bearing application in the occasion that can not use lubricating oil.Therefore, necessary one of developing is without glossy
Sliding bearing.Along with the development of technology, it has been developed that the pure polyflon of a kind of employing, as press face, is applied to
In Nonlubricated bearing.But, in actual use, owing to the wearability of polyflon is bad, cause sliding
The abrasion of bearing is more serious, substantially reduces its service life.Particularly under high capacity operation, surface self-lubricating Wear-resistant plastic
The bed of material (polyflon layer) is easy to be worn through, and causes traditional bearing or axle to arise that the phenomenon ruptured, seriously
In the case of, even can threaten the life security of operating personnel.
A kind of self lubricating fabric thin multilayer composite material and preparation side thereof is disclosed as in China publication CN 1259599A
Method, this self lubricating fabric thin multilayer composite material be the fibrous intertexture by a kind of PTFE fiber and other fibrous woven and
Wearability impregnated material forms, although can play the effect lowering friction and wear, but this invention uses wearability dipping
Material is configured to impregnation liquid, then sprays to intertexture surface, and PTFE powder, novolac epoxy resin in impregnation liquid serve profit
Sliding effect, this method not only increases technology difficulty, cost increase, and PTFE resin layer is applied to certainly as bottom cloth
In lubrication bearing, its anti-wear performance does not have persistency and stability.
And for example China's publication CN102145556A discloses a kind of refractory metal-fabric/resin self-lubricating axle
Holding composite and preparation method thereof, this composite is made up of bottom, intermediate layer, top layer, and top layer is blended fabric/self-lubricating
Wear resistant resin composite, although this invention achieves the excellent tribological property of bearing material and use at high temperature is reliable
Property, but this composite complex manufacturing technology, relatively costly, additionally blended fabric and self-lubricating abrasion-resistant resin compounded, also can shadow
Ring the flexibility of blended fabric.
Summary of the invention
It is an object of the invention to provide one and have that height self lubricity, wearability be good, the simple low friction system of technique
Number fabric and application thereof.
The technical solution of the present invention is as follows: the Fabric with low friction coefficient of the present invention, and this fabric is by warp thread and weft yarn
Being interwoven, this fabric is by the woven fabric of polytetrafluoroethylene fibre with other fiber interweavings, as warp thread or weft yarn
The fiber number of polytetrafluoroethylene fibre is 50～1400dtex, and above-mentioned polytetrafluoroethylene fibre is that politef is without twisting filament.As
Really the fiber number of polytetrafluoroethylene fibre is less than if 50dtex, the most relatively low, easy broken yarn during weaving, and also results in fabric
Mechanical performance decline, abrasion performance be deteriorated；If the fiber number of polytetrafluoroethylene fibre is more than 1400dtex, can cause knitting
Thing coefficient of friction becomes big, affects the self-lubricating effect of fabric.In view of fabric intensity and abrasion performance, polytetrafluoroethylene fibre
Fiber number preferably 200～1400dtex, more preferably 400～1400dtex.Constitute the polytetrafluoroethylene fibre of this fabric for without the length of lay
Silk, in the long filament of no twist, each monofilament is arranged in parallel, and this fabric constituted without twisting filament is applied to machine as bottom cloth
If the stressed member of tool motion, when the politef length direction without twisting filament and the motion of mechanical moving element in fabric
When direction is consistent, the frictional resistance of fabric is minimum, can play best self-lubricating effect.It addition, the fabric constituted without twisting filament
During rubbing with the external world, owing to monofilament is arranged in parallel, monofilament uniform force, it is not easy to be worn.If
Constitute the polytetrafluoroethylene fibre of this fabric for there being twisting filament, have in twisting filament the arrangement between each monofilament more disorderly, and
Owing to being applied with the twist, along the length direction of long filament, each monofilament there will be torsion phenomenon, when fabric connects with mechanical moving element
When touching, the frictional force of generation is relatively big, owing to stress concentrated by monofilament, will easily be rubbed, and self-lubricating effect is bad, to machine
The abrasion of tool moving component strengthens.The polytetrafluoroethylene fibre of the present invention is prepared by wet spinning process, passes through the method
The polytetrafluoroethylene fibre prepared is along the length direction of this fiber, and fineness is evenly distributed, and section is homogeneous circle, and sliding is excellent
Different, there is extremely low coefficient of friction.And if the polytetrafluoroethylene fibre that embrane method prepares is split in employing, the size deviation of this fiber is relatively
Greatly, and section is irregular polygon, and sliding is poor, and coefficient of friction is higher.Additionally, due to split the fiber that embrane method prepares, its
Source is resin film, easily produces cold flow after stress, and wearability is deteriorated, if using the fabric that this fiber prepares, holds
Easily there is damaged phenomenon, thus lose self-lubricating effect.
The Fabric with low friction coefficient of the present invention, other fibers above-mentioned are polyester fiber, Fypro, aramid fiber, gather
One or more in sulfide fibers, cotton fiber.Use above-mentioned fiber to be interleaved with polytetrafluoroethylene fibre, prepare this
Bright fabric not only has preferable mechanical performance and relatively low coefficient of friction, can improve the caking property between fabric and metal
Can, and this fabric can resist certain deformation in friction process, is conducive to maintaining the proper motion of mechanical part, but also
Production cost can be reduced.Other fibers preferred polyamide fiber (nylon 66 fiber) above-mentioned, by knitting that nylon 66 fiber prepares
Thing has relatively low coefficient of friction, is only second to polytetrafluoroethylene fibre.More preferably polyphenylene sulfide fibre and cotton fiber, because polyphenyl
The molecular backbone of thioether is formed by phenyl ring and sulphur atom are alternately arranged, and molecular structure is symmetrical, and has the linear, therefore of height
This structure has high stability.And owing to the fusing point of polyphenylene sulfide fibre is 285 DEG C, conventional temperature is 190 DEG C, adopts
Being interleaved with polytetrafluoroethylene fibre with polyphenylene sulfide fibre, the fabric obtained has the thermostability of excellence.When this low friction
Coefficient fabric, when the sliding position of machinery, can be prevented effectively from the problem hurtful to fabric because motion heats up.And
Cotton fiber is that (when temperature 35 DEG C, humidity 70%, the equilibrium moisture regain of cotton fiber is owing to the equilibrium moisture regain of cotton fiber is high
7.8%), using cotton fiber to be interleaved with polytetrafluoroethylene fibre, the fabric obtained can the preferably water in absorbent binder agent
Point, thus significantly improve the adhesive property of this intertexture and metal material, and the price of cotton fiber is relatively low, can significantly reduce
The production cost of this Fabric with low friction coefficient.
The Fabric with low friction coefficient of the present invention, described politef is without containing 30～196 monofilament in twisting filament.If
Monofilament radical is less than 30, and when fabric contacts with mechanical moving element, monofilament radical is the fewest, the abrasion performance of gained fabric
Property will be deteriorated；If monofilament radical is more than 196, thus can increase spinning difficulty, cause production cost to increase.
The Fabric with low friction coefficient of the present invention, described politef without the coefficient of friction between twisting filament 0.10 with
Under, preferably less than 0.08, more preferably less than 0.06.If using coefficient of friction polytetrafluoroethylfilament filament more than 0.10
Words, the skin-friction coefficient of gained fabric becomes big, causes the self-lubricating effect of fabric to be deteriorated.
The Fabric with low friction coefficient of the present invention, this fabric be organized as plain weave, twill, satin weave or its alternative construction.Preferably
Twill or satin weave, more preferably twill-weave.If using twill or its alternative construction, polytetrafluoroethylene fibre interlacing point institute
Accounting for the ratio of fabric total tissue point more than 50%, such fabric has preferable self-lubricating property, and yarns in worsted fabric is floating long
Moderate, the preferable mechanical performance of fabric and abrasion performance can be kept.
The Fabric with low friction coefficient of the present invention, the interlacing point quantity of described politef accounts for fabric total tissue point quantity
The one side of more than 50%, as rubbing surface, accounts for the one side of fabric total tissue point quantity less than 50% as binding face, preferably polytetrafluoro
Vinyl fiber interlacing point quantity accounts for the one side of total tissue point quantity more than 65% as rubbing surface, polytetrafluoroethylene fibre interlacing point
Quantity accounts for the one side of total tissue point quantity less than 35% as binding face.As rubbing surface, if politef interlacing point quantity
Accounting for fabric total tissue point quantity less than if 50%, the sliding of fabric can significantly reduce, when fabric contacts with mechanical moving element
Time, frictional resistance becomes big, loses the effect of self-lubricating, and the operating causing mechanical moving element is bad.As binding face, if poly-
Tetrafluoroethene interlacing point quantity accounts for fabric total tissue point quantity higher than if 50%, easily causes fabric in motion loading process
Peeling-off come off, make shorten the service life of self lubricating fabric.Here politef interlacing point quantity and the group of fabric
It is woven with pass, refers to that politef interlacing point quantity accounts for whole fabric total tissue point in a complete fabric tissue circulation
The ratio of quantity.The rule that fabric tissue refers in fabric warp thread and weft yarn is interlaced or rises and falls each other, interlacing point refers to
Intersection through weft yarn.
Further, since the polytetrafluoroethylene fibre of the present invention is without twisting filament, use the common magnifier just can be clearly
Observe the interlacing point of politef interlacing point and other fibers.Such as, the fabric tissue of the present invention be on 21 time oblique through face
Stricture of vagina, and warp thread is that politef is without twisting filament, then in a complete Weaving Cycle of this fabric, total tissue point quantity is
9, politef interlacing point quantity is 6, then this fabric face politef interlacing point quantity accounts for whole fabric total tissue point
The ratio of quantity is 66.7%.
The Fabric with low friction coefficient of the present invention, the described rubbing surface at fabric, along politef without the parallel side of twisting filament
To the coefficient of sliding friction below 0.10, preferably less than 0.08, more preferably less than 0.06；Hang down along politef without twisting filament
Nogata to the coefficient of sliding friction below 0.15, preferably less than 0.12, more preferably less than 0.10.If along politef without
The coefficient of sliding friction of twisting filament parallel direction is higher than 0.10, along politef without the sliding friction system of twisting filament vertical direction
Number, higher than 0.15, illustrates that the self-lubricating effect of this fabric is not notable, when fabric contacts with mechanical moving element, and can shadow
Ringing the operating of frictional metal parts, such fabric also can be easy to be worn.
The Fabric with low friction coefficient of the present invention, the thickness of this fabric is 0.16～1.00mm, preferably 0.20～0.80mm, more
Preferably 0.20～0.60mm.If the thickness of this fabric is less than 0.16mm, fabric is the thinnest, and abrasion performance is bad, easily in friction
During rupture；If the thickness of this fabric is higher than 1.00mm, the cost of raw material will increase accordingly, and weaving difficulty,
Bring the rising of production cost.
The Fabric with low friction coefficient of the present invention, the warp of this fabric, broadwise tensile strength are at more than 800N/5cm, preferably
More than 1000N/5cm, more preferably more than 1200N/5cm.Owing to this fabric is when for the moving component of machinery, bonding need to be used
Agent fits to layer on surface of metal, and during laminating, fabric can bear certain pressure and deformation.If the warp of fabric, broadwise stretch
Strength is less than 800N/5cm, and during being easily caused laminating, fabric is damaged.
The Fabric with low friction coefficient of the present invention, the weight of this fabric is 160～600g/m2.If the grammes per square metre of this fabric is low
In 160g/m2If, the thinest softness of fabric, abrasion performance is bad, easily ruptures in friction process；If this is knitted
The grammes per square metre of thing is higher than 600g/m2If, production cost will increase.
The Fabric with low friction coefficient of the present invention, the warp-wise density of this fabric is 30～240 pieces/inch, and latitudinal density is 30
～240 pieces/inch.If the warp of this fabric, latitudinal density are less than 30 pieces/inch, the abrasion performance of fabric reduces, and is easily rubbing
Rupture during wiping；If the warp of this fabric, latitudinal density are higher than 240 pieces/inch, production cost will increase, and knits
Make difficulty to increase.
The Fabric with low friction coefficient of the present invention has that height self lubricity, wearability be good, the simple feature of technique, and this is low rubs
Wipe coefficient fabric and be applied to mechanical moving element, in the environment of being especially applicable to low velocity, top load.
Accompanying drawing explanation
Fig. 1 is 11 plain cloth schematic diagrams, and Fig. 2 is 21 through face twills schematic diagram, Fig. 1, in 21,2,3,4,5,6
For warp thread, one, two, three, four, five, six is weft yarn, and a is through interlacing point, and b is latitude interlacing point.
Detailed description of the invention
The present invention being explained in more detail by following example, the physical property in embodiment is measured by following method.
[fiber number]
According to the testing standard of JIS L-1017-2002 8.3, use thread yarn horizontal metroscope winding 100 circle sample, often enclose length
Degree is 1 meter, and rotating speed is 120rpm, then sample is taken off knotting, puts in baking oven, is 105 ± 2 DEG C in temperature, and the time is 2 little
Time dried carried out above.After sample is taken out, use precision balance to weigh, obtain absolute dry weight.The computing formula of fiber number
It is as follows: d=M ' × 10000 × (1+Rc/100)/L,
Wherein d: fiber number (dtex)
Rc: official regain (%)
The absolute dry weight (g) of M ': sample
The length (m) of L: sample.
[monofilament number]
Use copper coin method that one threads is carried out section sampling, filament cross-sectional sample is put on optical microscope.To light
Learn focusing of microscope, until clear view is to the section of sample.By on optical microscope Shot change to display, use instrument
Monofilament number in survey tool in hurdle labelling sample section one by one.
[polytetrafluoroethylfilament filament coefficient of friction]
Use IT-MS 5652 type friction coefficient instrument, set test speed as 55m/min, testing time as 20 seconds, continuously
Measure 5 groups of data, take the meansigma methods final testing result as this sample of 5 test results.
[politef interlacing point]
In a complete fabric tissue circulation, intertwined point sum is designated as Rz, and it is fine that polytetrafluoroethylene fibre floats over other
Intertwined point on dimension is referred to as politef interlacing point, is designated as Rp, calculates politef interlacing point quantity and accounts for whole knitting
The ratio of thing total tissue point quantity, computing formula is as follows: politef interlacing point proportion (%)=Rp/Rz × 100%.
[coefficient of sliding friction]
Friction coefficient tester (model: IT-RC INTEC manufactures) is tested.Concrete method of testing is as follows: will
The fabric sample of 50mm × 150mm is close to be fixed in rubbing table, and uses SUS304BA metallic plate as friction opponent's material.?
Plus the counterweight of 250g weight in rubbing table, test with the speed of 50mm/min.The computing formula of coefficient of friction is as follows:
μ=f/ N
Wherein μ: the coefficient of sliding friction
F: kinetic force of friction (N)
N: the normal pressure (N) born on sample.
[abrasion performance]
According to JIS L 1096-1999 8.17, use CUSTOM AR-1 abrasiometer, by the circle of a diameter of 12cm
Shape sample is placed on rubber film, uses water-fast pouncing paper (model: C34P, granularity: P2000) to be fixed on as friction material
Above sample, sample is carried out multidirectional friction.Now, test pressure be 27.6KPa, loading be 0.45Kgf, speed be
125 ± 5 times minutes, the equipment number that rubs back is when being 100 times, rotary sample one week.Occurring that 7mm's is broken with fabric sample surface
Hole as off-test standard, takes and records the motion of abrasiometer and return number, and the meansigma methods of 5 test results is as this sample
Final testing result, evaluate the grade of the abrasion performance of this fabric sample, wear away back number more than being designated as ◎ for 2000 times: excellent,
Wearing away back number is to be designated as zero for 1000～2000 times: good, to wear away back number be to be designated as △ for 500～1000 times: general, wear away back several being less than
Be designated as 500 times ×: poor.
[tensile strength]
Testing standard according to JIS L-1017 is tested on Tensile Tester.Concrete method of testing is as follows: will
300mm × 50mm fabric sample is fixed in the jaws up and down of Tensile Tester, and the spacing of jaws up and down of Tensile Tester is
200mm, tests with the speed of 200mm/min.Measure 5 groups of data, take the meansigma methods of 5 test results as this sample
Final testing result.
[weight]
According to JIS L 1096-1999 8.4, use electronic balance, weigh the weight of the sample of 10cm × 10cm, then
The data obtained is taken advantage of 100, the weight of every square metre of fabric after being converted.
[thickness]
According to JIS L 1096-1999 8.5, the pressure of test is 23.5kPa (240gf/cm2)。
[density]
According to JIS L 1096-1999 8.6 densimetry, measure the thread count of fabric with pick glass.
Embodiment 1
Warp thread use fiber number be 440dtex, monofilament radical be 60 piece, threads be the polytetrafluoroethyl-ne of 0.065 with silk coefficient of friction
Alkene is without twisting filament, and weft yarn uses fiber number to be 470dtex, monofilament radical is 72, tensile strength is 39.8N, elongation at break is
The nylon66 fiber full-drawn yarn of 23.3%, is weaved by rapier loom, and prepared warp count is 62 pieces/inch, weft count is
The plain cloth of 62 pieces/inch.Wherein, politef interlacing point accounts for the one side of above-mentioned fabrics total tissue point 50% as friction
Face, politef interlacing point account for 50% at the another side of fabric, and it is as binding face.And prepared fabric is placed on temperature 20
± 2 DEG C, carry out conditioning under the conditions of humidity 65 ± 4%.Evaluate the characteristic of this fabric, and be shown in Table 1.
Embodiment 2
Warp thread use fiber number be 440dtex, monofilament radical be 60 piece, threads be the polytetrafluoroethyl-ne of 0.065 with silk coefficient of friction
Alkene, without twisting filament, the terylene fully drawn yarn that weft yarn employing fiber number is 280dtex, monofilament radical is 48, is entered by rapier loom
Row weaving, prepared warp count is 90 pieces/inch, weft count be 120 pieces/inch 3/1 through face twills, wherein, poly-
Tetrafluoroethene interlacing point accounts for the one side of above-mentioned fabrics total tissue point 75% as rubbing surface, politef interlacing point at fabric
Another side accounts for 25%, and it is as binding face.And adjust under the conditions of prepared fabric is placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%
Wet process.Evaluate the characteristic of this fabric, and be shown in Table 1.
Embodiment 3
Warp thread use fiber number be 890dtex, monofilament radical be 120 piece, threads be the polytetrafluoroethyl-ne of 0.071 with silk coefficient of friction
Alkene is without twisting filament, and weft yarn uses fiber number to be 470dtex, monofilament radical is 136, tensile strength is 40.9N, elongation at break is
The nylon66 fiber full-drawn yarn of 22.8%, is weaved by rapier loom, and prepared warp count is 60 pieces/inch, weft count is
The 2/1 of 90 pieces/inch is through face twills, and wherein, politef interlacing point accounts for the one side of above-mentioned fabrics total tissue point 66.7%
Accounting for 33.3% as rubbing surface, politef interlacing point at the another side of fabric, it is as binding face.And by prepared fabric
Conditioning is carried out under the conditions of being placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%.Evaluate the characteristic of this fabric, and be shown in Table 1.
Embodiment 4
Warp thread uses fiber number to be 1135dtex, monofilament radical is the aramid filament of 1000, and weft yarn employing fiber number is
1330dtex, monofilament radical be 180 piece, threads with the politef that silk coefficient of friction is 0.088 without twisting filament, knitted by arrow shaft
Machine is weaved, and 5 piece 2 that prepared warp count is 45 pieces/inch, weft count is 45 pieces/inch flies reverse satin, its
In, politef interlacing point accounts for the one side of above-mentioned fabrics total tissue point 80% and is knitting as rubbing surface, politef interlacing point
The another side of thing accounts for 20%, and it is as binding face.And enter under the conditions of prepared fabric is placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%
Row conditioning.Evaluate the characteristic of this fabric, and be shown in Table 1.
Embodiment 5
Warp thread use fiber number be 440dtex, monofilament radical be 60 piece, threads be the polytetrafluoroethyl-ne of 0.048 with silk coefficient of friction
Alkene is without twisting filament, and weft yarn uses fiber number to be 470dtex, monofilament radical is 72, tensile strength is 39.8N, elongation at break is
The nylon66 fiber full-drawn yarn of 23.3%, is weaved by rapier loom, and prepared warp count is 75 pieces/inch, weft count is
The 3/1 of 75 pieces/inch is through face twills, and wherein, politef interlacing point accounts for the one side of above-mentioned fabrics total tissue point 75% and makees
Accounting for 25% for rubbing surface, politef interlacing point at the another side of fabric, it is as binding face.And prepared fabric is placed on
Conditioning is carried out under the conditions of temperature 20 ± 2 DEG C, humidity 65 ± 4%.Evaluate the characteristic of this fabric, and be shown in Table 1.
Embodiment 6
Warp thread use fiber number be 220dtex, monofilament radical be 30 piece, threads be the polytetrafluoroethyl-ne of 0.045 with silk coefficient of friction
Alkene, without twisting filament, the terylene fully drawn yarn that weft yarn employing fiber number is 220dtex, monofilament radical is 48, is entered by rapier loom
Row weaving, prepared warp count is 180 pieces/inch, weft count be 140 pieces/inch 3/1 through face twills, wherein, poly-
Tetrafluoroethene interlacing point accounts for the one side of above-mentioned fabrics total tissue point 75% as rubbing surface, politef interlacing point at fabric
Another side accounts for 25%, and it is as binding face.And adjust under the conditions of prepared fabric is placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%
Wet process.Evaluate the characteristic of this fabric, and be shown in Table 1.
Embodiment 7
Warp thread use fiber number be 440dtex, monofilament radical be 60 piece, threads be the polytetrafluoroethyl-ne of 0.047 with silk coefficient of friction
Alkene without twisting filament, weft yarn uses fiber number to be 220dtex, monofilament radical be 100 polyphenyl thioether filaments with fiber number be 440dtex,
Monofilament radical is that 60 piece, threads carry out picking without twisting filament in the ratio of 1:1 with the politef that silk coefficient of friction is 0.047,
Weaved by rapier loom, the backed cloth that prepared warp count is 140 pieces/inch, weft count is 135 pieces/inch,
Wherein, politef interlacing point accounts for the one side of above-mentioned fabrics total tissue point 87.5% as rubbing surface, politef interlacing point
Another side at fabric accounts for 12.5%, and it is as binding face.And prepared fabric is placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%
Conditioning is carried out under part.Evaluate the characteristic of this fabric, and be shown in Table 1.
Embodiment 8
Warp thread use fiber number be 440dtex, monofilament radical be 60 piece, threads be the polytetrafluoroethyl-ne of 0.055 with silk coefficient of friction
Alkene is the cotton yarn strand of 80 without twisting filament, weft yarn employing fiber number, is weaved by rapier loom, and prepared warp count is
200 pieces/inch, weft count be that 5 piece 3 of 140 pieces/inch flies warp satin, wherein, politef interlacing point accounts for
The one side stating fabric total tissue point 80% accounts for 20% as rubbing surface, politef interlacing point at the another side of fabric, its conduct
Binding face.And carry out conditioning under the conditions of prepared fabric is placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%.Evaluate this fabric
Characteristic, and be shown in Table 1.
Comparative example 1
Warp thread use fiber number be 440dtex, monofilament radical be 60 piece, threads be 0.170 with silk coefficient of friction, the twist be
The polytetrafluoroethylfilament filament of 300T/ rice, weft yarn uses fiber number to be 470dtex, monofilament radical is 72, tensile strength is 39.8N,
Elongation at break is the nylon66 fiber full-drawn yarn of 23.3%, is weaved by rapier loom, and prepared warp count is 62/English
Very little, weft count is the plain cloth of 62 pieces/inch.Wherein, politef interlacing point accounts for above-mentioned fabrics total tissue point 50%
One side accounts for 50% as rubbing surface, politef interlacing point at the another side of fabric, and it is as binding face.And prepared is knitted
Thing carries out conditioning under the conditions of being placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%.Evaluate the characteristic of this fabric, and be shown in Table 1.
Comparative example 2
Warp thread use split the fiber number that embrane method prepares be 440dtex, silk and silk coefficient of friction be 0.21 politef long
Silk, the terylene fully drawn yarn that weft yarn uses fiber number to be 280dtex, monofilament radical is 48, weaved by rapier loom, system
Warp count be 90 pieces/inch, weft count be 75 pieces/inch 3/1 through face twills, wherein, politef group
Knit the one side a little accounting for above-mentioned fabrics total tissue point 75% to account at the another side of fabric as rubbing surface, politef interlacing point
25%, it is as binding face.And carry out conditioning under the conditions of prepared fabric is placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%.
Evaluate the characteristic of this fabric, and be shown in Table 1.
Comparative example 3
Through, weft yarn all uses fiber number to be 440dtex, monofilament radical is 60 piece, threads and poly-four that silk coefficient of friction is 0.067
Fluorothene, without twisting filament, is weaved by rapier loom, and prepared warp count is 60 pieces/inch, weft count is 90/English
Very little 2/1 is through face twills.Wherein, politef interlacing point is all 100% on above-mentioned fabrics two sides, when wherein one side is made
During for binding face, easily peel off, wear no resistance.And enter under the conditions of prepared fabric is placed on temperature 20 ± 2 DEG C, humidity 65 ± 4%
Row conditioning.Evaluate the characteristic of this fabric, and be shown in Table 1.
Claims (8)
1. a Fabric with low friction coefficient, this fabric is formed with weft yarns by warp thread, it is characterized in that: this fabric is by gathering
The woven fabric of tetrafluoroethylene fiber and other fiber interweavings, the fiber number as warp thread or the polytetrafluoroethylene fibre of weft yarn is
50～1400dtex, described polytetrafluoroethylene fibre be politef without twisting filament, described politef without twisting filament it
Between coefficient of friction below 0.10, and at the rubbing surface of fabric, rub along politef without the slip of twisting filament parallel direction
Wipe coefficient below 0.10, along politef without the coefficient of sliding friction of twisting filament vertical direction below 0.15.
Fabric with low friction coefficient the most according to claim 1, is characterized in that: other fibers described are polyester fiber, polyamides
One or more in amine fiber, aramid fiber, polyphenylene sulfide fibre, cotton fiber.
Fabric with low friction coefficient the most according to claim 1, is characterized in that: described politef is without containing in twisting filament
30～196 monofilament.
Fabric with low friction coefficient the most according to claim 1, is characterized in that: this fabric be organized as plain weave, twill, satin weave
Or its alternative construction.
Fabric with low friction coefficient the most according to claim 1, is characterized in that: the interlacing point of described politef accounts for fabric
The one side of total tissue point more than 50%, as rubbing surface, accounts for the one side of fabric total tissue point less than 50% as binding face.
Fabric with low friction coefficient the most according to claim 1 and 2, is characterized in that: the thickness of this fabric be 0.16～
1.00mm。
Fabric with low friction coefficient the most according to claim 1 and 2, is characterized in that: the warp of this fabric, broadwise tensile strength exist
More than 800N/5cm.
8. the application in mechanical moving element of the Fabric with low friction coefficient described in a claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310295063.XA CN103572454B (en) | 2012-08-07 | 2013-07-15 | A kind of Fabric with low friction coefficient and application thereof |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210277672 | 2012-08-07 | ||
| CN2012102776728 | 2012-08-07 | ||
| CN201210277672.8 | 2012-08-07 | ||
| CN201310295063.XA CN103572454B (en) | 2012-08-07 | 2013-07-15 | A kind of Fabric with low friction coefficient and application thereof |
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