CN105392638A - 用于车辆的充气轮胎以及由织物材料制成的线的用途 - Google Patents

用于车辆的充气轮胎以及由织物材料制成的线的用途 Download PDF

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CN105392638A
CN105392638A CN201480028906.2A CN201480028906A CN105392638A CN 105392638 A CN105392638 A CN 105392638A CN 201480028906 A CN201480028906 A CN 201480028906A CN 105392638 A CN105392638 A CN 105392638A
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tekes
yarn
pneumatic vehicle
vehicle tire
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CN105392638B (zh
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沃尔夫冈·雷泽
卡罗勒·朱斯蒂娜
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    • 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
    • B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • 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
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    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0064—Reinforcements comprising monofilaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
    • B60C9/2009—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords comprising plies of different materials
    • 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
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    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
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    • B60—VEHICLES IN GENERAL
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    • 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
    • B60C2009/2074—Physical properties or dimension of the belt cord
    • 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
    • B60C2009/2074—Physical properties or dimension of the belt cord
    • B60C2009/2083—Density in width direction
    • 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
    • B60C2009/2074—Physical properties or dimension of the belt cord
    • B60C2009/2096—Twist structures
    • 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
    • B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
    • B60C2009/2214—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre characterised by the materials of the zero degree ply 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
    • B60C9/18—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
    • B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
    • B60C2009/2252—Physical properties or dimension of the zero degree ply cords
    • B60C2009/2257—Diameters of the cords; Linear density thereof
    • 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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    • 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
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
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    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
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    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Tires In General (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

披露了用于车辆的子午线类型的充气轮胎，该充气轮胎具有一个子午线胎体、一个成形轮胎胎面、一个带以及一个覆盖所述带的单层或多层的带状包带，该包带具有在该轮胎的周向上延伸的并且由至少一种由织物材料制成的线所组成的增强体。该线具有≤700分特克斯的细度。

Description

用于车辆的充气轮胎以及由织物材料制成的线的用途
技术领域
本发明涉及一种子午线构造的充气车辆轮胎，该充气车辆轮胎包括一个子午线胎体、一个成形胎面带、一个带以及一个覆盖所述带以一层或多层的带状包带，该带状包带包括在所述轮胎的周向上延伸的并且由至少一种以织物材料的纱线所组成的强度构件。本发明进一步涉及使用织物材料的具有≤700分特克斯的细度的纱线的方法。
背景技术
在用于乘用车的充气车辆轮胎的带状包带中的帘线典型地由以例如尼龙-6，6以940分特克斯或1400分特克斯加捻的纱线组成。这些帘线因此具有相当大的直径，并且因此在该轮胎中的包带层厚度也是相当大的，其在该轮胎的运行中最终引起热积聚，这增加了轮胎的滚动阻力。DE102012017786A1披露了一种充气车辆轮胎，该充气车辆轮胎包含在作为强度构件的带状包带中的由两种或更多种复丝纱线一起缠成缆的帘线，这些复丝纱线由尼龙-10，10组成，同时在每种情况下单独的复丝纱线具有250分特克斯至4000分特克斯的细度。使用尼龙-10，10代替尼龙-6，6典型地用于纱线，这是因为其高机械强度以及耐化学品性。EP1475248B1披露了一种充气车辆轮胎，其带状包带包含复合帘线，这些复合帘线由一种具有不小于25000N/mm2的高弹性模量的第一纱线(特别是芳族聚酰胺)以及一种具有不大于15000N/mm2的低弹性模量的第二纱线(特别是以≥940分特克斯细度的尼龙)组成，它们一起缠成缆。具有包含这种类型的强度构件的带状包带的轮胎被陈述为具有良好的高速耐用性以及改进的磨损性能水平。WO2012/069955A1披露了在充气车辆轮胎的带状包带中使用一种加强帘线，该加强帘线同样是一种复合帘线，该复合帘线由至少一种具有600分特克斯至2400分特克斯细度的尼龙-6，6的纱线以及至少一种由纤维素纤维形成的纱线组成，这些纱线是合并在一起的。这种在带状包带中具有帘线的充气车辆轮胎被陈述为其性能完全改进同时提供了高舒适度。
发明内容
由本发明解决的问题是使用一种简单的措施来减少在开始所提及类型的轮胎的滚动阻力并且来确保轮胎的良好的高速性能。
当该纱线具有≤700分特克斯的细度时，所陈述的问题根据本发明解决。
在本发明的范围内，已经确定了具有这样一个低细度的纱线非常高度适合于形成在充气车辆轮胎的带状包带中的强度构件。这种类型的强度构件能够以比现有技术的强度构件更高的密度安排，因此该带状包带将确保非常良好的高速耐用性。包括此强度构件的带状包带层的层厚度比根据现有技术的包带层的层厚度更低，从而减少了轮胎的重量以及轮胎滚动时的热积聚。这用于减少轮胎的滚动阻力。
所提及的效果，特别是轮胎滚动时减少的热积聚以及减少的滚动阻力，用具有≤500分特克斯的细度的纱线作为或用于一个或多个带状包带中的强度构件是特别有效地可获得的。
该带状包带中的强度构件可以是加捻的纱线或者由两根或更多根相同材料的加捻的纱线组成的帘线，在这种情况下这些帘线可具有惯用构造1×1、1×2和1×3之一。这些强度构件可进一步是由一些零捻的纱线形成的条带。
该带状包带中有用的强度构件包括具有10至80、优选30至50的捻系数α的构造1×1的帘线，以及还有具有50至300、优选100至200的捻系数α的构造1×2或1×3的帘线，其中其中t/m是每米的捻数并且分特克斯是整个帘线的分特克斯。
为了确保在这些帘线和/或强度构件之间的良好的橡胶渗透，这些强度构件在包带层之内和之间以不小于0.1mm的净距离间隔开。
在本发明的一个优选的实施例中，该纱线由尼龙-6，6组成。然而，该纱线还可由一种不同的织物材料(例如聚酯、人造丝或高度芳香族的聚酰胺)制成。
本发明进一步提供了使用具有≤700分特克斯的细度的织物材料的加捻的纱线作为强度构件或者在制造用于覆盖子午线构造的充气车辆轮胎的带的至少一个包带层的加强帘线中的方法。
本发明可优选地使用一种可商购的以尼龙-6，6的纱线，特别是具有700分特克斯、470分特克斯、312分特克斯或235分特克斯的细度的纱线。
具体实施方式
本发明的另外的特征、优点和细节从下文的描述中将变得清楚。
出于本发明目的的充气车辆轮胎是子午线构造的轮胎，这些轮胎特别地设想用于乘用车。这些充气车辆轮胎典型地不仅包括一个通过强的张力包裹在胎圈芯周围而锚固在胎圈区域中的子午线胎体，而且还有一个径向外侧成形胎面带，另外一个位于该胎面带与该子午线胎体之间的并且由至少一种包含用橡胶处理的强度构件的带层组成的带，以及一个布置在该胎面带与该带之间的带状包带。可具有一个或多个层的带状包带覆盖该带并且完全覆盖这些带层的侧向边缘。这些带状包带层特别地作为一种创伤包带生产，通过缠绕嵌入至一种未固化的橡胶混合物中的强度构件的至少一个带形成的，这些带状包带层在一个或多个带的纵向方向上以及在准备好生产的轮胎的周向上在该带上成螺旋形地延伸。可以进行缠绕使得该带的单独纱圈(coil)邻接或部分重叠。间隙缠绕是一种另外的可能性，其中这些纱圈保持小的距离而隔开。在一个实施例中的强度构件是由两根或更多根加捻的纱线组成的帘线，例如两根或三根纱线合并在一起以组成一根帘线。这些强度构件可以是被安排成以小的距离而隔开的并且一起用橡胶处理成一个带的单独帘线。这些强度构件还可以是编织织物的经线，其被压延并且随后被切成带。在还另一个实施例中这些强度构件还可以是加捻的纱线。这些橡胶混合物带中的强度构件间隔不小于0.1mm、优选地不小于0.2mm。
该加捻的纱线由一种织物材料(如聚酯、聚酰胺、人造丝或高度芳香族的聚酰胺组成，特别是具有≤700分特克斯、优选地≤500分特克斯的细度的尼龙-6，6)。当前可商购的尼龙-6，6的纱线之中，例如考虑的因此是700分特克斯、470分特克斯、312分特克斯或235分特克斯的纱线。可以使得用此纱线和/或包括此纱线的帘线生产的材料的带比根据现有技术的创伤包带的材料的带显著更薄，用于创伤包带的这些材料的带例如包含由940分特克斯或1400分特克斯的尼龙-6，6纱线形成的帘线。因为在用于创伤包带的这些材料的带中的以及还有在由此形成的带状包带层中的这些强度构件和/或帘线的密度可以选择为是显著地大于现有技术的材料的带和/或带状包带层中的值，根据本发明的包带层具有与现有技术中的带状包带层的强度可比的强度。又根据本发明的包带层的厚度并且因此它们的重量低于用于现有技术的包带层，这还用于减少充气车辆轮胎的重量。这导致特别地在相对高速下在轮胎的带和/或胎面带区域中较低的热积聚，由此减少轮胎的滚动阻力。
使用根据本发明的纱线，或者作为以构造1×1、1×2和1×3之一的帘线加捻的，或者作为条带(由两根或更多根并排铺设的纱线形成的)未加捻的。在该轮胎中的一层或多层包带层中的这些单独的强度构件和/或帘线之间的净距离应该是不小于0.1mm，相同的净距离适用于安排在彼此的顶部上的包带层的这些强度构件和/或帘线之间的净距离。这个最小距离确保在这些单独的强度构件之间良好的橡胶渗透并且阻止这些强度构件与彼此接触。
对于本发明的帘线捻系数α可以被定义如下：
其中t/m是每米的捻数，并且
分特克斯是该帘线中的所有纱线的分特克斯总和，即，整个帘线的分特克斯。
对于1×1构造的捻系数α应该在从10至80、优选30至50的范围内，同时1×2和1×3构造的捻系数α应该在从50至300、优选从100至200的范围内。
根据本发明的纱线和/或强度构件可以用于通过以下方式制成该轮胎中的带状包带，由一种压延的编织织物加工切成带；由一种挤出材料加工切成带；或者另外作为一种用橡胶处理的单独的帘线。另一种可能性是它们以粘性地浸渍的单独帘线的形式使用，这因此是没有橡胶处理直接缠绕在生坯轮胎和/或带状包装上。

Claims (15)

1.一种子午线构造的充气车辆轮胎，该充气车辆轮胎包括一个子午线胎体、一个成形胎面带、一个带以及一个覆盖所述带的以一层或多层的带状包带，该带状包带包括在所述轮胎的周向上延伸的并且由至少一种以织物材料的纱线所组成的强度构件，
其特征在于
该纱线具有≤700分特克斯的细度。
2.如权利要求1所述的充气车辆轮胎，其特征在于该纱线具有≤500分特克斯的细度。
3.如权利要求1或2所述的充气车辆轮胎，其特征在于这些强度构件是加捻的纱线。
4.如权利要求1或2所述的充气车辆轮胎，其特征在于这些强度构件是条带。
5.如权利要求1至3中任一项所述的充气车辆轮胎，其特征在于这些强度构件是由两根或更多根相同材料的纱线组成的帘线。
6.如权利要求5所述的充气车辆轮胎，其特征在于这些帘线具有构造1×1、1×2或1×3之一。
7.如权利要求6所述的充气车辆轮胎，其特征在于该构造1×1的帘线具有10至8，优选30至50的捻系数α，其中其中t/m是每米的捻数并且分特克斯是该整个帘线的分特克斯。
8.如权利要求6所述的充气车辆轮胎，其特征在于该构造1×2或该构造1×3的帘线具有50至300、优选100至200的捻系数α，其中其中t/m是每米的捻数并且分特克斯是整个帘线的分特克斯。
9.如权利要求1至8中任一项所述的充气车辆轮胎，其特征在于这些强度构件在包带层之内和之间以不小于0.1mm的净距离间隔开。
10.如权利要求1至9中任一项所述的充气车辆轮胎，其特征在于该纱线由聚酰胺、特别是尼龙-6，6组成。
11.如权利要求1至9中任一项所述的充气车辆轮胎，其特征在于该纱线由聚酯、人造丝或高度芳香族的聚酰胺组成。
12.一种使用织物材料的具有≤700分特克斯的细度的加捻的纱线作为强度构件或者在制造用于覆盖子午线构造的充气车辆轮胎的带的至少一个包带层的加强帘线中的方法。
13.如权利要求12所述的方法，其特征在于该纱线具有≤500分特克斯的细度。
14.如权利要求12或13所述的方法，其特征在于该纱线由聚酰胺、特别是尼龙-6，6，或聚酯、人造丝或高度芳香族的聚酰胺组成。
15.如权利要求12至14中任一项所述的方法，其特征在于该纱线具有700分特克斯、470分特克斯、312分特克斯或235分特克斯的细度。
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