CN108603312A - 高韧度低延展性的尼龙6.6帘线 - Google Patents
高韧度低延展性的尼龙6.6帘线 Download PDFInfo
- Publication number
- CN108603312A CN108603312A CN201680039045.7A CN201680039045A CN108603312A CN 108603312 A CN108603312 A CN 108603312A CN 201680039045 A CN201680039045 A CN 201680039045A CN 108603312 A CN108603312 A CN 108603312A
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- Prior art keywords
- cord
- tire
- band
- nylon
- dtex
- 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.)
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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
- D02G3/48—Tyre cords
-
- 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
- B60C9/0042—Reinforcements made of synthetic materials
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Tires In General (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
具有8‑12%的断裂伸长率和最小9g/dtex的韧度的两层或三层尼龙6.6帘线用作轮胎增强材料,特别是用作以与子午线充气轮胎的赤道面成0°至5°螺旋缠绕在带束层组件上的冠带层。
Description
发明领域
本发明涉及具有改进性能的两层和三层尼龙6.6帘线,更具体地说,在充气子午线轮胎中作为冠带层增强材料具有降低的延展性和增加的韧度。
发明背景
众所周知,以与轮胎赤道面成0°至5°螺旋缠绕在带束层组件上的冠带层增强材料提高了轮胎的性能和高速耐用性。因为其在高速条件下的高约束力,防止或减少轮胎增大和带束层边缘分离,尼龙6.6已被广泛用作冠带层多年。
在US 4,284,117中,公开了以改进的胎面加强缓冲层结构为特征的带束式充气轮胎。在这种应用中,冠带层直接布置在轮胎的径向最外面的带束层上。由于冠带层由单加捻纱而不是帘线形成,所以该冠带层比常规的冠带层薄,具有优异的柔韧性和散热特征。织物纱线与轮胎的中间赤道面成0°角取向。在这个专利中不存在关于材料特性的信息。
在US 3,849,976中已经公开了高强度、高模量和低热收缩率的尼龙66帘线作为轮胎增强材料。在这种应用中,尼龙6.6帘线的L5模量高于60g/d.100% (54g/dtex.100%)。但是这种帘线具有相对低的热收缩率(小于4%)而不能产生足够的收缩力来补偿在轮胎的冠区域的高速温度下冠带层帘线的模量下降,和太硬而不具有足够的弯曲疲劳抗性。
在US 3,850,219和US 3,960,628中已经提到了尼龙冠带层,但没有给出有关帘线的拉伸和热性能的信息。
在US 5,115,853中已经公开了具有最大7tpi(276tpm)捻度的低旦尼尔(420dx2)尼龙帘线作为冠带层。冠带层(覆盖层)帘线具有15%-20%的断裂伸长率。没有提到冠带层帘线的热收缩性能。
在US 5,908,520和US 6,609,552中已经公开了单加捻尼龙66纱线作为轮胎的冠带层。
发明概述
高性能轮胎中螺旋缠绕在带束层组件上的尼龙6.6冠带层增强材料提高了高速耐用性和操作特性。尼龙6.6冠带层帘线产生对高速条件下轮胎增大的约束力,轮胎增大由于重的带束层组件和胎面引起的离心力而造成。
原则上,增强约束力的三个重要的帘线参数是:
1-模量或LASE
2-在轮胎的高速冠部区域温度下的收缩力
3-轮胎中冠带层帘线的残留张力
影响冠带层帘线的约束力的所有三个参数主要由尼龙6.6帘线对于恒定帘线捻度的断裂伸长率值控制。在热定形过程中,在高温下较高的帘线拉伸通常导致断裂伸长率降低,但同时增加了模量和热收缩力。由于轮胎固化过程中的提升过程,较高模量的冠带层帘线在直径膨胀时产生较高的张力。根据本发明,具有8%-12%的断裂伸长率值的冠带层帘线提高了轮胎性能。具有高于12%的断裂伸长率值的尼龙6.6帘线的模量(也包括初始模量)和热收缩力不够高,这就是冠带层含有导致轮胎中显著水平的平斑(flatspotting)的大量尼龙6.6 (两层或三层)的原因。当断裂伸长率值小于8%时,尼龙6.6冠带层帘线变得太硬而不能获得足够的弯曲和压缩疲劳抗性。
发明详述
包括相对于轮胎的赤道面以0°至5°并排布置的尼龙6.6帘线的冠带层,所述帘线各自由加捻在一起的两根或三根纱线组成,并且每个冠带层帘线具有最小9克/dtex (10g/旦尼尔)的韧度和8%-12%的断裂伸长率值。根据ASTM D885测定拉伸性能,但是通过用疏水性物质如液态油处理,使帘线不从测试环境中吸收水分。测试过程中帘线的最大允许含水量为0.5%。这种帘线特性意味着,在8-12%伸长率的情况下,帘线在断裂之前对轮胎增大施加其最大阻力(最小9g/dtex)。断裂伸长率越低或降低,意味着与具有15-25%断裂伸长率值的常规尼龙帘线相比,模量和LASE值也更高。为了获得这样的性能,帘线在250至260℃,5至30秒的暴露时间内,在热定形烘箱中拉伸最小25%。尼龙6.6分子在热拉伸过程中的高度取向也增加了帘线的断裂强度(韧度)。根据ASTM D885 (在Testrite收缩测量设备中暴露于177℃两分钟之后,在0.05克/旦尼尔或0.045g/dtex帘线预张力(pretension)下),由于高温下的高拉伸而具有高分子取向的这种帘线也具有7.0-8.5%的热收缩值。根据本发明,帘线的优选总线密度为400dtex至5000dtex。根据本发明,帘线的捻系数是从5000到15000,其可以按照下式计算:
捻系数 =捻度(tpm)×√(总标称帘线dtex)
定义:
冠带层:位于胎面和带束层组件的顶层之间的带束增强层。
帘线:指通过将两条或更多条合股线加捻在一起而形成的缆索
旦尼尔:以克计的重量/9000米(表示线密度的单位)
Dtex:以克计的重量/10000米(表示线密度的单位)
赤道面(EP):垂直于轮胎的旋转轴线并穿过胎面中间的平面。
热定形帘线线密度:通过称重样品帘线(包括其上的粘合剂浸渍层)确定的实际线密度。
LASE:在指定的伸长率下的负荷
L5模量:拉伸帘线5%所需的负荷乘以20,除以帘线旦尼尔或dtex。
模量:应力除以应变,对变形的抗性
标称帘线线密度:帘线的初始纱线线密度之和(例如,对于940x2帘线结构,1880dtex)
子午线轮胎:一种带束式或周向约束式的充气轮胎,其中从胎圈延伸至胎圈的胎身层或胎体帘线相对于轮胎的赤道面以65°至90°的帘线角布置。
约束力:由冠带层帘线施加在带束层组件上的力,以抵抗高速条件下产生的离心力。
韧度:断裂力除以帘线线密度(g/dtex或g/旦尼尔)
tpm:每米转数。
Claims (5)
1.双层或三层帘线,其中每个单独的层基本上由最初在一个方向上预加捻的聚酰胺6.6纱线组成,并且其中所述单独的层最终在相反的方向上加捻在一起以形成成品帘线,其特征在于:
- 根据ASTM D885测定,其具有8%-12%的断裂伸长率,但最大含水量为0.5%,
- 根据帘线的实际线密度,其具有最小9g/dtex (10g/旦尼尔)的韧度。
2.根据权利要求1所述的帘线的热收缩率,在Testrite收缩装置的加热区中经过2分钟的暴露时间后,在177℃和0.045g/dtex预张力下测定,高于7.0%和低于8%。
3.根据权利要求1所述的帘线的标称帘线线密度为400-5000dtex。
4.根据权利要求1所述的帘线的捻系数在5000-15000之间。
5.根据权利要求1所述的帘线,用作轮胎增强材料,优选地用作轮胎的冠带层,其以与轮胎的赤道面成0°至5°周向缠绕在带束层组件上。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/TR2016/050015 WO2017127032A1 (en) | 2016-01-22 | 2016-01-22 | High tenacity low extensible nylon 6.6 cord |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108603312A true CN108603312A (zh) | 2018-09-28 |
Family
ID=55485266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680039045.7A Pending CN108603312A (zh) | 2016-01-22 | 2016-01-22 | 高韧度低延展性的尼龙6.6帘线 |
Country Status (10)
Country | Link |
---|---|
US (1) | US10208407B2 (zh) |
EP (1) | EP3405605A1 (zh) |
JP (1) | JP2019508595A (zh) |
KR (1) | KR20180101168A (zh) |
CN (1) | CN108603312A (zh) |
BR (1) | BR112017028467A2 (zh) |
MX (1) | MX2017016673A (zh) |
RU (1) | RU2017146384A (zh) |
TR (1) | TR201719319T1 (zh) |
WO (1) | WO2017127032A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108698447A (zh) * | 2016-01-12 | 2018-10-23 | 科德沙技术纺织品股份公司 | 作为胎圈用丝的碳纤维混合帘线 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3350363B1 (en) * | 2015-09-17 | 2019-05-15 | Kordsa Teknik Tekstil Anonim Sirketi | A cap ply reinforcement cord |
US11572640B2 (en) * | 2017-03-31 | 2023-02-07 | Asahi Kasei Kabushiki Kaisha | Organic fiber twisted yarn cord |
CN107379895A (zh) * | 2017-08-02 | 2017-11-24 | 中策橡胶集团有限公司 | 一种锦纶冠带条加强全钢子午线轮胎 |
JP2020097263A (ja) * | 2018-12-17 | 2020-06-25 | 株式会社ブリヂストン | タイヤ |
WO2021262102A1 (en) * | 2020-06-23 | 2021-12-30 | Kordsa Teknik Tekstil A.S. | High tensile nylon 6.6 yarn |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1167871A (en) | 1966-09-13 | 1969-10-22 | Ici Ltd | High Modulus Polyamide Tyre Cord. |
US3850219A (en) | 1972-08-18 | 1974-11-26 | Uniroyal Inc | Steel-belted radial ply tires with o{20 {0 textile cap hand |
US3977172A (en) * | 1975-02-06 | 1976-08-31 | E. I. Du Pont De Nemours And Company | Reinforcement cord |
DE2853006C2 (de) | 1978-12-07 | 1993-12-16 | Uniroyal Englebert Gmbh | Fahrzeugluftreifen |
US4877073A (en) * | 1988-02-17 | 1989-10-31 | The Goodyear Tire & Rubber Company | Cables and tires reinforced by said cables |
US5115853A (en) | 1989-03-08 | 1992-05-26 | The Goodyear Tire & Rubber Company | Pneumatic tire with belt overlay structure reinforced with low denier nylon cords |
EP0629518B1 (en) | 1992-12-28 | 1998-08-05 | Bridgestone Corporation | Pneumatic radial tire |
JP4053727B2 (ja) | 2000-11-22 | 2008-02-27 | 住友ゴム工業株式会社 | 空気入りラジアルタイヤ |
US20090090447A1 (en) * | 2007-10-05 | 2009-04-09 | Baldwin Jr Donald William | Tire cord reinforcement |
KR101580352B1 (ko) * | 2012-12-27 | 2015-12-23 | 코오롱인더스트리 주식회사 | 하이브리드 섬유 코드 및 그 제조방법 |
US20160339746A1 (en) | 2014-01-08 | 2016-11-24 | Asahi Kasei Kabushiki Kaisha | Polyamide multifilament fiber and tire cord including said fiber |
CN106457907B (zh) * | 2014-03-12 | 2018-11-13 | 科德沙环球纱线工业和贸易股份公司 | 具有复合帘线增强物的充气子午轮胎 |
FR3029542B1 (fr) * | 2014-12-09 | 2017-07-28 | Michelin & Cie | Cable textile haut module a au moins triple torsion |
FR3029541B1 (fr) * | 2014-12-09 | 2017-07-28 | Michelin & Cie | Cable textile aramide a au moins triple torsion |
EP3350363B1 (en) * | 2015-09-17 | 2019-05-15 | Kordsa Teknik Tekstil Anonim Sirketi | A cap ply reinforcement cord |
-
2016
- 2016-01-22 CN CN201680039045.7A patent/CN108603312A/zh active Pending
- 2016-01-22 RU RU2017146384A patent/RU2017146384A/ru not_active Application Discontinuation
- 2016-01-22 US US15/740,001 patent/US10208407B2/en not_active Expired - Fee Related
- 2016-01-22 EP EP16708470.6A patent/EP3405605A1/en not_active Withdrawn
- 2016-01-22 BR BR112017028467A patent/BR112017028467A2/pt not_active Application Discontinuation
- 2016-01-22 KR KR1020177037468A patent/KR20180101168A/ko unknown
- 2016-01-22 WO PCT/TR2016/050015 patent/WO2017127032A1/en active Application Filing
- 2016-01-22 TR TR2017/19319T patent/TR201719319T1/tr unknown
- 2016-01-22 MX MX2017016673A patent/MX2017016673A/es unknown
- 2016-01-22 JP JP2017567649A patent/JP2019508595A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108698447A (zh) * | 2016-01-12 | 2018-10-23 | 科德沙技术纺织品股份公司 | 作为胎圈用丝的碳纤维混合帘线 |
Also Published As
Publication number | Publication date |
---|---|
TR201719319T1 (tr) | 2018-04-24 |
EP3405605A1 (en) | 2018-11-28 |
KR20180101168A (ko) | 2018-09-12 |
WO2017127032A1 (en) | 2017-07-27 |
RU2017146384A (ru) | 2019-06-28 |
US10208407B2 (en) | 2019-02-19 |
US20180187344A1 (en) | 2018-07-05 |
BR112017028467A2 (pt) | 2018-08-28 |
MX2017016673A (es) | 2018-06-18 |
JP2019508595A (ja) | 2019-03-28 |
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