CN102858518A - Sheet and method of making sheet for support structures and tires - Google Patents
Sheet and method of making sheet for support structures and tires Download PDFInfo
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- CN102858518A CN102858518A CN2010800462161A CN201080046216A CN102858518A CN 102858518 A CN102858518 A CN 102858518A CN 2010800462161 A CN2010800462161 A CN 2010800462161A CN 201080046216 A CN201080046216 A CN 201080046216A CN 102858518 A CN102858518 A CN 102858518A
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- steel wire
- polyamide
- yarn
- curling
- elongation
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- 238000004519 manufacturing process Methods 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 113
- 239000010959 steel Substances 0.000 claims abstract description 113
- 239000004952 Polyamide Substances 0.000 claims abstract description 86
- 229920002647 polyamide Polymers 0.000 claims abstract description 86
- 238000010276 construction Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 5
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 239000011295 pitch Substances 0.000 abstract 1
- 229920003235 aromatic polyamide Polymers 0.000 description 17
- 239000000463 material Substances 0.000 description 17
- 239000004760 aramid Substances 0.000 description 12
- -1 dimethyl chloride Chemical compound 0.000 description 7
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 150000004985 diamines Chemical class 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 241000531908 Aramides Species 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004761 kevlar Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- ZBMISJGHVWNWTE-UHFFFAOYSA-N 3-(4-aminophenoxy)aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(N)=C1 ZBMISJGHVWNWTE-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229920003372 Kevlar® 119 Polymers 0.000 description 1
- 229920003373 Kevlar® 129 Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229920000561 Twaron Polymers 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000004984 aromatic diamines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000004762 twaron Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0057—Reinforcements comprising preshaped elements, e.g. undulated or zig-zag filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
- B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/003—Plies; Breakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2012—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers
- B60C2009/2029—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers with different cords in the same layer, i.e. cords with different materials or dimensions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Ropes Or Cables (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Nonwoven Fabrics (AREA)
- Tires In General (AREA)
Abstract
A planar sheet comprises a plurality of polyamide yarns (20, 30, 40) having a yarn modulus of from 3.7 to 6.8 N/dtex, an elongation to break of from 2.9 to 4.7 % and a denier of from 130 to 15,000 and a plurality of steel wires (21, 31, 41) wherein the steel wire is provided with a first crimp and a second crimp, the first crimp lying in a plane that is substantially different from the plane of the second crimp. The first and second crimp pitches and amplitudes of the steel wire are such that, when the steel wire and polyamide yarns are combined, the elongation to break of the wire is similar to that of the polyamide yarn. The wires and yarns are arranged such that they are oriented parallel to each other within the planar sheet. The sheet has utility in the construction of elastomeric components for tires and belts.
Description
Background of invention
Invention field
The present invention relates to the plane sheets for fortified tire and supporting construction.
The association area explanation
It is disclosed that being combined in of aramid fibre and metal strands has in the U.S. Patent Application Publication 2004/0123930.
Summary of the invention
The present invention relates to plane sheets, described sheet material comprises
(a) many polyamide yarns, described polyamide yarn have the yarn modulus of 3.7-6.8N/ dtex, the elongation at break of 2.9-4.7% and 130-15, and the fiber number of 000 danier,
(b) many steel wires, described steel wire have the main cross sectional dimensions of 0.041.10mm, and wherein (1) steel wire has first curlingly and second curling, and the first curling being in the second curling plane differs in 20 ° the plane at least,
(2) first of steel wire curling and the second curling pitch and amplitude so that the elongation at break of the elongation at break of steel wire and polyamide yarn be more or less the same in 20%,
(3) steel wire has the composition of the minimum carbon content, the manganese content in the 0.20%-0.90% scope and the silicone content in the 0.10%-0.90% scope that comprise 0.60-1.10%, and
(4) steel wire and polyamide
The invention still further relates to the method that forms plane sheets, said method comprising the steps of:
(a) provide many polyamide yarns, described polyamide yarn has the yarn modulus of 3.7-6.8N/ dtex, elongation at break and the 130-15 of 2.9-4.7%, the fiber number of 000 danier,
(b) randomly many polyamide yarns are twisted into cable,
(c) provide many steel wires, described steel wire has the main cross sectional dimensions of 0.04-1.10mm and comprises the minimum carbon content of 0.60-1.10%, interior manganese content and the composition of the silicone content in the 0.10%-0.90% scope of 0.20%-0.90% scope,
(d) determine to be applied to pitch, amplitude and the horizontal layout of the curling expectation of steel wire, so that curling being in two planes that differ each other at least 20 °, and the elongation at break of the elongation at break of steel wire and polyamide yarn is more or less the same in 20%,
(e) come curled wire according to the curling parameter of determining in the step (d),
(f) randomly many steel wires are added and be twisted steel wire rope, and
(g) steel wire of desired number and/or polyamide yarn and/or the polyamide cord of steel cord and desired number are made up in the horizontal layout mode, so that all yarns, steel wire and cord are oriented to is parallel to each other.
The accompanying drawing summary
Fig. 1 shows the full view of plane sheets of the present invention.
Fig. 2 shows the viewgraph of cross-section of a kind of combination of the yarn that is arranged to sheet structure and steel wire.
Fig. 3 shows the viewgraph of cross-section of the another kind combination of the yarn that is arranged to sheet structure and steel wire.
Fig. 4 shows the viewgraph of cross-section of another combination of the yarn that is arranged to sheet structure and steel wire.
Detailed Description Of The Invention
The present invention relates to plane sheets, and so-called " plane " refers to that length and width dimensions are significantly greater than the structure of gauge.In the context of the present invention, the surface of plane sheets can not be fully smooth, but can be rib shape.So-called " cord " refers to comprise twisted together and mixes at least one polyamide yarn of cord and the strand of at least one steel wire with formation.So-called " mixings " refers to that cord comprises at least two kinds of different materials, and cord also can refer to twist together to form many polyamide yarns of polyamide cord, or twisted together many steel wires with formation steel cord.
A feature of the present invention is that when combination, the elongation at break of polyamide yarn and steel wire is similar.The elongation at break of steel wire and the elongation at break of polyamide yarn differ and should be no more than+and/-20%.More preferably, the percentage elongation difference should be no more than+and/-10%, and most preferably be no more than+/-5%.Because elongation at break coupling or approximate match during combination, when cord was subject to tensile load, the polyamide yarn in the cord and steel wire can rupture basically simultaneously.By dual technology as described below elongation at break coupling with the special one-tenth of steel wire and polyamide yarn.When comparing with similar non-crimping steel wire, curled wire provides has the more steel wire of high elongation at tear.
Another aspect of the present invention is to use modulus far below the polyamide yarn of the 6.5N/ dtex of appointment in the U.S. Patent Application Publication 2009/015917.
" long filament " refers to uniform main body on relatively pliable and tough, the macroscopic view as used herein, and described main body has high length-width ratio at the cross section vertical with its length.In this article, term " fiber " is used interchangeably with term " long filament ".
" yarn " is to form the fiber of continuous strand or the aggregate of long filament.In the context of the invention, term " yarn " also comprises " cable ".Cable is by with two or the yarn that forms of threads twisting more together.In the present invention, formation is as the polyamide yarn of the part of continuous yarn spinning technique.
Fypro and yarn
Aromatic polyamides is preferred polyamide polymer.Term " aromatic polyamides " refers to that wherein (CONH-) key is directly connected to the polyamide of two aromatic rings at least 85% acid amides.Suitable aramid fibre is described in Man-Made Fibres-Science and Technology, and the 2nd volume, exercise question are the chapters and sections of Fibre-Forming Aromatic Polyamides, the 297th page, the people such as W.Black, Interscience Publishers, 1968.Aramid fibre and their production is at United States Patent (USP) 3,767, also has in 756,4,172,938,3,869,429,3,869,430,3,819,587,3,673,143,3,354,127 and 3,094,511 disclosed.
Preferred aromatic polyamides is para-aramid.Preferred para-aramid is poly-(poly P phenylene diamine terephthalamide) that is called PPD-T.So-called PPD-T refers to the homopolymers by the equimolar ratio polymerisation gained of p-phenylenediamine (PPD) and paraphthaloyl chloride, and on a small quantity other diamines and p-phenylenediamine (PPD) and the on a small quantity copolymer in conjunction with gained of other dimethyl chloride and paraphthaloyl chloride.As rule, the use amount of other diamines and other dimethyl chloride can be at most p-phenylenediamine (PPD) or paraphthaloyl chloride about 10 % by mole, perhaps may omit height, unique precondition is that other diamines and dimethyl chloride do not contain the active group that disturbs polymerisation.PPD-T also refers to other aromatic diamine and other aromatics dimethyl chloride in conjunction with the copolymer of gained, for example 2, and 6-naphthal acyl chlorides or chloro paraphthaloyl chloride or dichloro paraphthaloyl chloride or 3,4 '-diaminodiphenyl ether.
Additive can use with aromatic polyamides, and finds, by weight to nearly 10% or more other polymeric material can with the aromatic polyamides blend.Can use have the diamines that replaced aromatic polyamides nearly 10% or more other diamines or replaced aromatic polyamides dimethyl chloride nearly 10% or the more copolymer of other dimethyl chloride.
Continuous Para-aromatic Aramide Fibre usually is expressed into through capillary by the solution with para-aramid and comes spinning in the coagulating bath.With regard to PPTA, the solvent of described solution is generally the concentrated sulfuric acid, enters in the cold water-based coagulating bath through air gap and extrude normally.This type of technique is usually at United States Patent (USP) 3,063, has in 966,3,767,756,3,869,429 and 3,869,430 disclosed.Filament cross is circular or basically circular.The para-aramid filament yarn can Kevlar
Fiber is from E.I.du Pont de Nemours﹠amp; Co., Wilmington, DE (DuPont) is commercially available and with Twaron
Fiber is from Teijin, and Ltd. is commercially available.
Polyamide yarn of the present invention has in 3.7-6.8N/ dtex scope, more preferably in 3.7-6.0N/ dtex scope, and the yarn modulus in 4.4-5.4N/ dtex scope most preferably.Simultaneously, yarn has 2.9-4.7%, the fiber number of the more preferably elongation at break of 3.0-4.0%, and 130-15000 danier.Example with yarn of these characteristics is the Kevlar that derives from DuPont
29, Kevlar
119 and Kevlar
129.
Steel wire
Steel forms carbon content, the manganese content in the 0.20-0.90% scope and the silicone content in the 0.10-0.90% scope that comprises 0.60%-1.1%.Other element for example sulphur, phosphorus, chromium, boron, cobalt, nickel and vanadium can be separately exists to be lower than 0.5% content.
Steel wire can have the cross section that comprises one or more symmetry axis.For example, ellipse or rectangular cross section have two symmetry axis, and triangular cross section has three symmetry axis.In preferred embodiments, the steel wire cross section is circular, or basically circular.
The main cross sectional dimensions of steel wire is in the scope of 0.04mm-1.1mm, and more preferably in the scope of 0.07mm-0.60mm.With regard to circular cross section, this is of a size of diameter.Steel wire has the coating that can give rubber affinity usually.This type coating comprise can with rubber in those of sulphur atom reaction, the alloy of copper, zinc and this metalloid for example is such as brass.In a preferred embodiment, when polyamide yarn formed the outer surface that mixes cord, zinc was used as coated substrate, otherwise brass is preferred coating material.
Curling
Curled wire has the steel wire of waveform with preparation.Preferably, it is first curling and second curling that steel wire has, wherein the first curling being in the plane significantly different from the second curling plane.So-called " significantly different " refer to that curling plane differs at least 20 ° angle, at least 60 ° angle more preferably, and at least 80 ° angle most preferably.First is curling and second curlingly have curling pitch and a crimp amplitude.The representative value of amplitude is 0.5-1.0mm, and the pitch value is 2.0-16.0mm.Yet other curling and pitch value also can be used for the present invention.
Calculate angle and first curling and second curling pitch and the amplitude on curling plane according to the elongation at break of used polyamide yarn, so that steel wire has the elongation at break near the elongation at break of polyamide yarn.Preferably, the elongation at break of steel wire and the elongation at break of polyamide yarn are more or less the same in 20%, and more preferably difference is not more than 10%, and most preferably difference is not more than 5%.Ideal situation is that the elongation at break of polyamide yarn and steel wire is identical.The representative value of the elongation at break of steel wire is in the scope of 2.3-5.7%, and more preferably in the scope of 2.4-4.8%.
Can come curled wire by making steel wire pass gear.This technique is described in European patent (EP) 1036235B1 to some extent.This type of curled wire can trade name " high-impact steel " (High Impact Steel) available from N.V.Bekaert S.A. (Zwevegem, Belgium).
Form plane sheets
In one embodiment, the present invention relates to form the method for plane sheets, said method comprising the steps of:
(a) provide many polyamide yarns, described polyamide yarn has the yarn modulus of 3.7-6.8N/ dtex, elongation at break and the 130-15 of 2.9-4.7%, the fiber number of 000 danier,
(b) randomly many polyamide yarns are added and be twisted polyamide cord.
(c) provide many steel wires, described steel wire has the main cross sectional dimensions of 0.04-1.10mm and comprises manganese content in the minimum carbon content of 0.60-1.10%, 0.20%-0.90% scope and the composition of the silicone content in the 0.10%-0.90% scope,
(d) determine to be applied to pitch, amplitude and the horizontal layout of the curling expectation of steel wire, so that curling being in two planes that differ each other at least 20 °, and the elongation at break that steel wire has with polyamide yarn is more or less the same in 20% elongation at break,
(e) come curled wire according to the curling parameter of determining in the step (d),
(f) randomly many steel wires are added and be twisted the steel cord, and
(g) steel wire of desired number and/or polyamide yarn and/or the polyamide cord of steel cord and desired number are made up in the horizontal layout mode, so that all yarns, steel wire and cord are oriented to is parallel to each other.
In another embodiment, the invention still further relates to the method that forms plane sheets, said method comprising the steps of:
(a) provide many polyamide yarns, described polyamide yarn has the yarn modulus of 3.7-6.8N/ dtex, elongation at break and the 130-15 of 2.9-4.7%, the fiber number of 000 danier,
(b) provide many steel wires, described steel wire has the main cross sectional dimensions of 0.04-1.10mm and comprises manganese content in the minimum carbon content of 0.60-1.10%, 0.20%-0.90% scope and the composition of the silicone content in the 0.10%-0.90% scope,
(c) determine to be applied to pitch, amplitude and the horizontal layout of the curling expectation of steel wire, so that curling being in two planes that differ each other at least 20 °, and the elongation at break that steel wire has with polyamide yarn is more or less the same in 20% elongation at break,
(d) come curled wire according to the curling parameter of determining in the step (c),
(e) at least one curled wire and at least one polyamide yarn are twisted to form mix steel-polyamide composite cord, and
(g) steel wire, polyamide yarn and the mixing steel-polyamide composite cord with desired number makes up in the horizontal layout mode, so that all yarns, steel wire and cord are oriented to is parallel to each other.
Can prepare all-steel cord by many steel wire twisting are formed single many steel wires steel cord structure together.Preferably, and the number of twisting with the fingers steel wire together be two or three.Similarly, many polyamide yarns also can and be twisted with the fingers together to form many yarns and to twist with the fingers cord structure.Preferably, and the number of twisting with the fingers aramid yarns together be two or three.Certainly independent polyamide yarn also can be twisted together with preparation polyamide-steel composite cord with steel wire.In preferred embodiments, the total number of polyamide yarn is one to ten in the composite cord, and the total number of steel wire is one to eight in the composite cord.In preferred embodiments, form the yarn of cord and the twist factor of steel wire and be at least 0.8.Twist factor is the term of knowing in the field of textiles.The method that polyamide yarn and steel wire are combined into cord for example twist, pool capital or and to twist with the fingers be well known in the art, and in Wellington Sears Handbook of Industrial Textiles the 3.2nd chapter, further detailed description is arranged.
Plane sheets comprises yarn, steel wire or the cord that all is orientated with equidirectional.This direction is commonly called directions X or vertical.The plane of sheet material is called as the XY plane.Y-direction is vertical with directions X.This type of is arranged among Fig. 1 and totally illustrates, and wherein directions X represents with 10, and Y-direction is with 11 expressions.Polyamide yarn or cord and curled wire or cord can have the multiple combination mode, are applicable to rubber and elastomeric plane sheets with formation.The cross section of this type of embodiment has been shown, wherein polyamide yarn 20 and steel wire 21 alternative arrangements among Fig. 2.In another embodiment shown in Figure 3, arrange many polyamide yarns forming the first subregion 30, and arrange many steel wires to form the second subregion 31.Then, these subregions arrangement adjacent one another are.Fig. 4 shows the further extension of this concept, and wherein two polyamide yarn linear arrays 40 (each array comprises the yarn of different numbers) make up from two steel wire arrays 41 (each array of these steel wire arrays also has the steel wire of different numbers).This shows, with regard to both yarn or curled wire number and they with regard to the toward each other location in the sheet material, may making up of polyamide and steel is considerable.More than describe and be not limited to polyamide yarn or steel wire.Polyamide cord, steel cord or steel-polyamide composite cord also can be included in the said structure.Therefore, plane sheets can comprise polyamide yarn, polyamide cord, steel wire, steel cord and steel-polyamide composite cord.The length of plane sheets and width only are subject to the restriction of manufacturing constraints.
The method of alignment yarn, steel wire and cord is that weaving, rope and wire forming industry are known.These class methods comprise uses first bobbin cradle and warp beam assembled material, makes independent strand by collimation station feeding and at the final sub-assembly of spool coiling again.Alternatively, sheet material can be cut into certain-length behind collimation.Optionally use base-material, film and adhesive to help keep the caking property of plane sheets.The another kind of method that reaches this purpose is to be assembled into some lightweight bonded yarns on the surface of sheet material along Y-direction or to inweave sheet material.
In preferred embodiments, the percentage by weight of polyamide is the 10-50 % by weight based on the gross weight of polyamide and steel in the sheet material.
Supporting construction and tire
Plane sheets can be used for for example passenger tyre, truck and bus tire and motorcycle tyre.Reinforce cord with clean steel and compare, composite mixing cord reduces the weight of tire, and improves resistance to rolling.
For plane sheets is assembled in the tire, one or more sheet materials are assembled in the matrix with formation are that carcass, tyre bead are reinforced infantees (being used for the composite material tape that the lower sidewall reinforces) or with the supporting construction of strips.Matrix can be to make a plurality of cords remain on relative to each other any polymeric material of fixed-direction and position.Typical material is thermosets, for example rubber; Yet, also can use thermoplastic, for example TPV and copolyether ester.Then, supporting construction is packed in the tire construction, usually under tyre surface.If necessary, use composite mixing cord in other supporting construction that can in the application that the elasticity of demand body is reinforced, use.
Claims (15)
1. plane sheets comprises:
(a) many polyamide yarns, described polyamide yarn have the yarn modulus of 3.7-6.8N/ dtex, the elongation at break of 2.9-4.7% and 130-15, and the fiber number of 000 danier,
(b) many steel wires, described steel wire have the main cross sectional dimensions of 0.04-1.10mm, and wherein (1) described steel wire has first curlingly and second curling, and the described first curling being in the described second curling plane differs in 20 ° the plane at least,
(2) first of described steel wire curling and the second curling pitch and amplitude so that the elongation at break of the elongation at break of described steel wire and described polyamide yarn be more or less the same in 20%,
(3) described steel wire has the composition of the minimum carbon content, the manganese content in the 0.20%-0.90% scope and the silicone content in the 0.10%-0.90% scope that comprise 0.60-1.10%, and
(4) described steel wire and polyamide yarn are oriented to parallel to each other in described plane sheets.
2. the plane sheets of claim 1, wherein said polyamide yarn comprises poly-(poly P phenylene diamine terephthalamide) long filament.
3. the plane sheets of claim 1, wherein said polyamide yarn has the modulus of 3.7-6.0N/ dtex.
4. the plane sheets of claim 1, wherein said polyamide yarn has the modulus of 4.4-5.4N/ dtex.
5. the plane sheets of claim 1, wherein said polyamide yarn has the elongation at break of 3.0-4.0%.
6. the plane sheets of claim 1, the cross section of wherein said steel wire are circular or basically circular.
7. the tire supporting construction comprises the described plane sheets that is with the claim 1 of bundle, carcass or tyre bead form.
8. tire comprises the described plane sheets of claim 1.
9. form the method for plane sheets, may further comprise the steps:
(a) provide many polyamide yarns, described polyamide yarn has the yarn modulus of 3.7-6.8N/ dtex, elongation at break and the 130-15 of 2.9-4.7%, the fiber number of 000 danier,
(b) randomly many polyamide yarns are twisted into cable,
(c) provide many steel wires, described steel wire has the main cross sectional dimensions of 0.04-1.10mm and comprises manganese content in the minimum carbon content of 0.60-1.10%, 0.20%-0.90% scope and the composition of the silicone content in the 0.10%-0.90% scope,
(d) determine to be applied to pitch, amplitude and the horizontal layout of the curling expectation of described steel wire, so that described curling being in two planes that differ each other at least 20 °, and the elongation at break that described steel wire has with described polyamide yarn is more or less the same in 20% elongation at break
(e) come curling described steel wire according to the curling parameter of determining in the step (d),
(f) randomly many steel wires are added and be twisted steel wire rope, and
(g) steel wire of desired number and/or polyamide yarn and/or the polyamide cord of steel cord and desired number are made up in the horizontal layout mode, so that all yarns, steel wire and cord are oriented to is parallel to each other.
10. form the method for plane sheets, may further comprise the steps:
(a) provide many polyamide yarns, described polyamide yarn has the yarn modulus of 3.7-6.8N/ dtex, elongation at break and the 130-15 of 2.9-4.7%, the fiber number of 000 danier,
(b) provide many steel wires, described steel wire has the main cross sectional dimensions of 0.04-1.10mm and comprises manganese content in the minimum carbon content of 0.60-1.10%, 0.20%-0.90% scope and the composition of the silicone content in the 0.10%-0.90% scope,
(c) determine to be applied to pitch, amplitude and the horizontal layout of the curling expectation of described steel wire, so that described curling being in two planes that differ each other at least 20 °, and the elongation at break that described steel wire has with described polyamide yarn is more or less the same in 20% elongation at break
(d) come curling described steel wire according to the described curling parameter of determining in the step (c),
(e) at least one curled wire and at least one polyamide yarn are twisted to form mix steel-polyamide composite cord in the steel cord, and
(g) steel wire of desired number or cord, polyamide yarn or cord and mixing steel-polyamide composite cord are made up in the horizontal layout mode, so that all yarns, steel wire and cord are oriented to is parallel to each other.
11. the method for claim 9 or 10, wherein said polyamide yarn comprise poly-(poly P phenylene diamine terephthalamide) long filament.
12. the method for claim 9 or 10, wherein said polyamide yarn has the modulus of 3.7-6.0N/ dtex.
13. the method for claim 9 or 10, wherein said polyamide yarn has the modulus of 4.4-5.4N/ dtex.
14. the method for claim 9 or 10, wherein said polyamide yarn has the elongation at break of 3.0-4.0%.
15. the method for claim 9 or 10, the cross section of wherein said steel wire are circular or basically circular.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/578,252 US20110086224A1 (en) | 2009-10-13 | 2009-10-13 | Sheet and Method of Making Sheet for Support Structures and Tires |
| US12/578,252 | 2009-10-13 | ||
| PCT/US2010/052428 WO2011046994A1 (en) | 2009-10-13 | 2010-10-13 | Sheet and method of making sheet for support structures and tires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102858518A true CN102858518A (en) | 2013-01-02 |
Family
ID=43304853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800462161A Pending CN102858518A (en) | 2009-10-13 | 2010-10-13 | Sheet and method of making sheet for support structures and tires |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20110086224A1 (en) |
| EP (1) | EP2488348A1 (en) |
| JP (1) | JP2013507540A (en) |
| CN (1) | CN102858518A (en) |
| BR (1) | BR112012008632A2 (en) |
| WO (1) | WO2011046994A1 (en) |
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| CN104494169B (en) * | 2014-11-21 | 2016-08-24 | 亚东工业（苏州）有限公司 | A kind of preparation method of low denier Buddhist nun's high modulus polyester cord fabric |
| CN108026666A (en) * | 2016-06-09 | 2018-05-11 | 科德沙技术纺织品股份公司 | 6.6 cord of high-modulus nylon |
| CN112969570A (en) * | 2018-10-30 | 2021-06-15 | 赛峰飞机发动机公司 | Hybridization of fibres of fibre reinforcement of blades |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014066754A2 (en) | 2012-10-26 | 2014-05-01 | E. I. Du Pont De Nemours And Company | Composite layer for reinforcement of objects such as tires or belts |
| JP6313031B2 (en) | 2013-02-22 | 2018-04-18 | 株式会社ダイセル | Gas generator |
| WO2015031226A1 (en) * | 2013-08-28 | 2015-03-05 | E. I. Du Pont De Nemours And Company | Fibrous cord and method of making |
| JP6416686B2 (en) * | 2015-04-16 | 2018-10-31 | 株式会社ブリヂストン | Pneumatic tire |
| EP3377336A4 (en) * | 2015-11-19 | 2019-06-19 | Bridgestone Americas Tire Operations, LLC | Fiber belt including ferrous element for magnetic manipulation |
| DE102016104725B4 (en) * | 2016-03-15 | 2019-01-17 | Technische Hochschule Köln | A method of monitoring the structure of a fiber reinforced composite having a sensor array of a plurality of sensors for structure monitoring of the composite |
| JP7022649B2 (en) * | 2018-05-17 | 2022-02-18 | 株式会社ブリヂストン | Pneumatic tires |
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- 2010-10-13 CN CN2010800462161A patent/CN102858518A/en active Pending
- 2010-10-13 BR BR112012008632A patent/BR112012008632A2/en not_active IP Right Cessation
- 2010-10-13 EP EP10771603A patent/EP2488348A1/en not_active Withdrawn
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| CN108026666B (en) * | 2016-06-09 | 2021-11-12 | 科德沙技术纺织品股份公司 | High modulus nylon 6.6 cord |
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Also Published As
| Publication number | Publication date |
|---|---|
| BR112012008632A2 (en) | 2019-09-24 |
| EP2488348A1 (en) | 2012-08-22 |
| JP2013507540A (en) | 2013-03-04 |
| WO2011046994A1 (en) | 2011-04-21 |
| US20110086224A1 (en) | 2011-04-14 |
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