CN104755255A - 强化橡胶处理的传输系统 - Google Patents

强化橡胶处理的传输系统 Download PDF

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CN104755255A
CN104755255A CN201380043407.6A CN201380043407A CN104755255A CN 104755255 A CN104755255 A CN 104755255A CN 201380043407 A CN201380043407 A CN 201380043407A CN 104755255 A CN104755255 A CN 104755255A
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core body
aramid fiber
fiber core
fabric
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弗雷德里克·詹姆斯·库切
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    • 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
    • B29D29/00—Producing belts or bands
    • B29D29/06—Conveyor belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
    • 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
    • B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
    • 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
    • D—TEXTILES; PAPER
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
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    • D04H3/115—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by applying or inserting filamentary binding elements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/12—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
    • F16L9/128—Reinforced pipes
    • 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
    • B29D2030/383—Chemical treatment of the reinforcing elements, e.g. cords, wires and filamentary materials, to increase the adhesion to the rubber
    • 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
    • B29D30/42—Endless textile bands without bead-rings
    • B29D2030/421—General aspects of the joining methods and devices for creating the bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2277/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as reinforcement
    • B29K2277/10—Aromatic polyamides [Polyaramides] or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2597/00—Tubular articles, e.g. hoses, pipes
    • 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
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Abstract

本发明涉及一种能够高度粘接至硫化橡胶的芳纶芯体，所述芳纶芯体包括多轴复合织物(10)，此多轴复合织物由缝合在一起的多层平行纱线层(12)制成，且各层的纱线之间布置成不同的指向，这些纱线层形成硫化橡胶能够渗透的网状织物(10)，所述多轴复合织物(10)由RFL(间苯二酚-甲醛乳胶)粘合剂处理。

Description

强化橡胶处理的传输系统
技术领域
本发明涉及强化橡胶处理的传送件芯体。
背景技术
目前有多种用于制造传送带的强化芯体系统。这些系统一般由包括钢或纺织物的复合材料的强化组成部分组成，其中，这些复合材料仅沿带的长度方向和横贯宽度方向对齐。
这些现存的橡胶处理的系统通常会导致低效能的重型且厚实的带，由于难于接合(拼接)，会导致延长停工期，同时它们的耐冲击性也有限，经常难以实现在不损坏带的边缘的情况下保持带的良好的循迹能力。
世界范围内的能源成本的显著增加意味着重型的钢强化的芯体不再可行。纺织物的芯体非常轻，采用这些芯体能够大量节省经营成本。
减少经营成本的要求已经导致出现了轻量且仍具有与钢相似的强度特性的芳纶纱线。包入橡胶的芳纶芯体已经市售很多年，尤其是面向轮胎和传送件产业。
但是，这些芳纶芯体所面对的问题是橡胶壳体不能与芳纶芯体充分粘接，这带来了低的剥离强度。此外，这些芯体的拼接强度也不是最佳的。
本发明的目的是提出一种强化橡胶处理的传输系统，其至少部分地缓解了上述一些问题。
发明内容
根据本发明，提出了一种芳纶芯体，所述芳纶芯体能够高度粘接至硫化橡胶，所述芳纶芯体包括：
·多轴复合织物，其由缝合在一起的多层平行纱线层制成，且各层的平行纱线之间布置成不同的指向；
·这些不同指向的纱线的多个层形成硫化橡胶能够渗透的网状织物；
·所述织物为由RFL(间苯二酚-甲醛乳胶)粘合剂处理过的织物。
所述织物优选为由四层平行纱线层缝合在一起的四边形织物，且所述四层平行纱线布置成四个不同的指向。
所述四边形织物的各层纱线优选地指向0°角、+45°角、90°角和-45°角。各缕纱线之间的网孔的尺寸优选介于2mm×2mm和10mm×10mm之间。
沿织物的纵向轴线(0°)方向需要最大的强度，此方向中的芳纶纱线含量高于其他方向。
纱线的含量甚至其角度根据最终的强化芯体的设计要求可不同。
本发明还涉及一种强化橡胶的芳纶芯体的制造方法，其中，所述方法包括如下步骤：
·逐层叠置多层平行纱线层，各层的平行纱线之间布置成不同的指向，将多个层缝合在一起形成网状织物；
·利用RFL(间苯二酚-甲醛乳胶)粘合剂处理所述织物；
·使经过RFL处理过的织物经受硫化橡胶，允许所述橡胶渗透通过所述网状织物中的孔。
通过明显改变芯体中的芳纶纱线的角度，改善用于强化橡胶的芯体，得到更好的接合强度，减少接合失败，改善耐冲击性，并且改善带的循迹能力。
附图说明
以下仅以示例的方式参照随附的附图描述本发明的优选实施例，其中：
图1为多轴复合材料的示意图。
具体实施方式
参照图1，清晰地可见多轴复合网状织物10的构造，其中，多个方向的芳纶纱线12产生了用于橡胶浸渍的孔14。
四边形的织物的纱线层优选地指向0°角(16)、+45°角(18)、90°角(20)和-45°角(22)。
各缕纱线(16、18、20和22)之间的网孔14的尺寸大体介于3mm和8mm之间。
多轴复合网状织物10利用RFL处理以确保在橡胶在芯体上硫化时与橡胶粘接。
由于芳纶纺织复合结构的角度和方向的改变，可为当前使用的“常规”的系统带来许多附加的有益效果。这种产品展现出了如下贡献：
·重量轻、高强度的构造
·自动循迹能力
·相比于简单的织物芯体，覆盖大量角度的纺织物加强件具有改善的耐冲击性
·改善的接合方式及更好的接合强度
·由于更平衡的构造，延长了传送带的寿命
·由于橡胶渗透通过整套组件将整个芯体锁在一起，带来了优良的脱离强度。
最终的产品可以用于橡胶应用中的强化复合结构，所述橡胶应用包括轮胎、传送带、管道和隔板。
对于该实施例在不脱离本发明的范围内的多种改变都是可行的。
本发明因此提出了一种新式的强化橡胶处理的传送件芯体。

Claims (9)

1.一种芳纶芯体，其中，所述芳纶芯体能够高度粘接至硫化橡胶，所述芳纶芯体包括多轴复合织物，所述多轴复合织物由缝合在一起的多层平行纱线层制成，且各层的平行纱线之间布置成不同的指向，这些纱线层形成硫化橡胶能够渗透的网状织物，所述多轴复合织物为由RFL(间苯二酚-甲醛乳胶)粘合剂处理过的多轴复合织物。
2.根据权利要求1所述的芳纶芯体，其中，所述织物为由四层平行纱线层缝合在一起的四边形织物，且所述四层平行纱线布置成四个不同的方向。
3.根据权利要求2所述的芳纶芯体，其中，所述四边形织物的各层纱线相对于所述织物的纵向轴线分别呈0°角、+45°角、90°角和-45°角。
4.根据权利要求2或3所述的芳纶芯体，其中，所述四边形织物的各缕纱线之间形成的孔的尺寸优选介于2mm×2mm和10mm×10mm之间。
5.根据前述任一项权利要求所述的芳纶芯体，其中，沿所述四边形织物的长度(0°)方向需要最大的强度，此长度方向中的芳纶纱线含量高于其他方向。
6.根据前述任一项权利要求所述的芳纶芯体，其中，纱线的含量和角度根据最终的强化芯体的设计要求而不同。
7.根据前述任一项权利要求所述的芳纶芯体，其中，所述芳纶芯体用于橡胶应用中的强化件，所述橡胶应用包括传送带、轮胎、管道和隔板。
8.一种用于强化橡胶的芳纶芯体的制造方法，其中，所述方法包括如下步骤：逐层叠置多层平行纱线层，每层平行纱线层具有多缕平行的芳纶纱线，各层的平行纱线之间布置成不同的指向，将多个层缝合在一起形成网状织物；利用RFL(间苯二酚-甲醛乳胶)粘合剂处理所述织物；使经过RFL处理过的织物经受硫化橡胶，允许所述橡胶渗透通过所述网状织物中的孔。
9.一种用于强化橡胶的芳纶芯体的制造方法，其中，所述芳纶芯体为权利要求7中所述的芳纶芯体，所述方法的特征在于，通过改变各缕芳纶纱线的角度，改善用于强化橡胶的芯体，得到更好的接合强度，减少接合失败，改善耐冲击性，并且改善带的循迹能力。
CN201380043407.6A 2012-08-15 2013-08-12 强化橡胶处理的传输系统 Pending CN104755255A (zh)

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