CN101932430A - 由复丝制造的柔性连续带及其制造方法 - Google Patents

由复丝制造的柔性连续带及其制造方法 Download PDF

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CN101932430A
CN101932430A CN2008801258511A CN200880125851A CN101932430A CN 101932430 A CN101932430 A CN 101932430A CN 2008801258511 A CN2008801258511 A CN 2008801258511A CN 200880125851 A CN200880125851 A CN 200880125851A CN 101932430 A CN101932430 A CN 101932430A
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band
resin
fiber
yarn
long filament
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CN101932430B (zh
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S·威尔姆森
P·G·阿克尔
H·C·昆特
A·J·W·范哈伦
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Teijin Aramid BV
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • 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
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    • 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
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    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
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    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
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    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
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    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
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    • B29C70/06—Fibrous reinforcements only
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    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/28—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • C08J5/08—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/04—Supporting filaments or the like during their treatment
    • D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
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    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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Abstract

本发明涉及一种用于由选自芳纶、玻璃、芳族聚酯和刚性链聚合物的复丝制造柔性纤维连续带的方法，所述带基于带的重量含有60至98wt％的纤维，所述方法包括以下步骤：a1)展开纱线的长丝以获得横截面纵横比(w/h)为2至2000的长丝层；以及b1)使用可固化的树脂、或液态热塑性树脂或蜡来处理展开的长丝；或a2)使用可固化的树脂、或液态热塑性树脂或蜡来处理纱线；以及b2)展开纱线的长丝以获得横截面纵横比(w/h)为2至2000的长丝层；然后c)通过固化或凝固树脂来固定长丝以获得带，其中所述步骤a1-b1、或a2-b2、以及c依次地执行。该方法适于制造柔性带，该柔性带基于带的重量含有60至98wt％的纤维，包括横截面纵横比(w/h)为2至2000的长丝层，长丝通过固化或凝固的树脂固定。该方法还适于制造具有小于0.5毫米的宽度以及2至20的横截面纵横比(w/h)的微型带。

Description

由复丝制造的柔性连续带及其制造方法
技术领域
本发明涉及一种用于由复丝制造柔性纤维连续带的方法、以及由此制得的带。本发明进一步涉及包括所述带的光纤电缆。
背景技术
通过纤维(也叫纱线)增强的带是公知的。例如，JP 10-130996中已描述了一种承载带。该承载带通过使用宽度接近等于带宽的扁平纤维结构作为增强材料并使用树脂作为基体来生产。纤维结构为三维编织的纱线。
GB 1433128中已描述一种用于增强基体材料的经编带。该带可包括两个高模量碳纤维丝束。
在WO 03/091006中，描述了一种生产包括用有机树脂预浸渍的天然纤维束、并且采取纱线或条带形式的新材料的方法。
US 4,626,306中已描述一种用于制造柔性纤维带的方法，该纤维带包含嵌在热塑性树脂中的单向纤维。根据此方法，通过从纤维粗纱中分离出纤维，使用树脂颗粒浸渍迭置的平行纤维。粗纱(或梳条)是长而窄的纤维束，其被加捻以将纤维保持在一起。从粗纱展开纤维，但在此方法中仅展开纤维而不展开单独的纤维长丝。此方法因此仅提供了一种通过树脂实现对每根纤维的表面处理的方法，但是纤维芯部内的各长丝未被浸渍。
类似地，EP 316922中已描述一种该方法，其中从粗纱解开纤维粗纱的纤维并且将其展开，然后使用树脂乳胶浸渍展开的纤维。每根纤维的各长丝未被展开，并且再次地，仅仅是纤维的表面长丝由树脂材料浸渍。
US 3,873,389涉及石墨片材，其未被依次地浸渍，而是首先定位成并排的共面关系然后浸渍。本发明不涉及石墨并且不涉及不依次制造的片材。
在基体内具有增强长丝的增强复合材料的制造中，US 5,503,928中公开了一种由低捻的短纤维纱组成的长丝，该短纤维纱由不连续纤维纺制。US 6,270,851中已描述一种用于连续地涂覆纤维长丝的设备，其中纤维束的每条长丝在之字形隧道的狭窄流路中被连续涂覆。
这些公知的带因此包含用于增强树脂基体的纤维。此类带具有的缺点是纤维与基体之间的相互作用较弱。纤维被包埋在基体中，但仅仅是内部长丝与基体令人满意地接触。如果所有长丝被连续地涂覆——诸如在US6,270,851中，则带所包含的树脂量相当大，通常为60wt％或更多，并且纤维的数量相对较少。树脂占去复合材料很大一部分重量(通常纤维少于40wt％)，并且诸如芳纶的高性能纤维的良好性能(例如，在模量、断裂伸长率、断裂强度方面)与本发明的重量相比变得较不显著。在也使用了高性能纤维的情况下，树脂量高还导致额外的成本。此外，树脂量高降低了带的柔性，从而导致例如光纤电缆生产中的困难，因为降低的弯曲性能可能在连接器定位时引发问题。
因此，对无法通过已知方法获得的柔性连续带形式的纤维的需要日益增加。在EP 837162和US 2006/0137156中，试图通过展开复丝的长丝来作出改进。因此通过鼓风来展开长丝以更好地允许树脂在长丝之间渗透。然而，此参考文献未涉及带，而是涉及纤维增强的塑料。
类似地，EP 569928中描述了一种用于展开长丝并通过热塑性树脂进行浸渍的方法。再次地，此方法并非旨在制造带而是增强热塑性基体。
发明内容
本发明的目的不是增强树脂基体，而是获得柔性连续带，该柔性连续带由纤维材料制造、含有尽可能少的基体材料。通过一新的方法达到此目的，该方法由选自芳纶、玻璃、芳族聚酯和刚性链聚合物的复丝制造柔性纤维带，其基于带的重量含有60至98wt％的纤维，包括以下步骤：
a1)展开纱线的长丝以获得横截面纵横比(w/h)为2至2000的长丝层；以及
b1)使用可固化的树脂、或液态热塑性树脂或蜡来处理展开的长丝；或
a2)使用可固化的树脂、或液态热塑性树脂或蜡来处理纱线；以及
b2)展开纱线的长丝以获得横截面纵横比(w/h)为2至2000的长丝层；接下来
c)通过固化或凝固树脂来固定长丝以获得带，其中步骤a1-b1、或a2-b2、以及c依次地执行。
与并非特别地为带而主要为增强树脂材料的现有技术材料相反，本产品为纤维材料，其中树脂的目的是固定纤维的各长丝。因此，纤维不增强仅少量地存在——最优选地甚至少于30wt％——的基体，相反地，纤维是带的主要构成材料，并且仅采用少量的树脂来固定长丝。
因此，本发明的另一目的是提供一种柔性连续带，其由包括长丝的层形成并具有2至2000的横截面纵横比(宽度/高度)。这些带可极为牢固而薄，然而却保持柔性。它们通常包含总数为6-4000的长丝。进一步发现，这样获得的带与未处理的纱线相比几乎没有或没有表现出韧性损失。
本发明的带包括通过固化或凝固的树脂固定的长丝，其中带的宽度/高度比为2至2000，优选为10-1000，最优选为20-500。这些带可用于需要高韧性的场合中，例如用作整形外科绑带、管、软管或管线增强带，用于增强帆布(sail)，以及用于电缆或光纤电缆的带。这些带可选地卷绕在卷筒上。
本发明还可制造很小的微型带，该带具有小于0.5mm的宽度和2至20的横截面纵横比(宽度/高度)。这些微型带可用于医疗应用中。
本发明的带——其中横截面纵横比(w/h)为20至500——特别适合用于光纤电缆中。具有优异的模量、强度和高耐热性的高性能纤维目前在光纤电缆中用作增强材料。高性能纤维的高强度和模量防止电缆中的光学玻璃纤维承受外力而导致玻璃纤维断裂。通常，光学玻璃纤维位于电缆的薄的热塑性中空管(所谓的居中松套管结构)中，或在光纤上挤压成形一热塑性层(紧套管结构)。一般而言，内部电缆被增强纤维完全覆盖，对于紧套管结构而言尤为如此。高性能纤维的另一重要特征是它们优良的耐热性。在光纤电缆的生产期间，在内电缆周围挤压成形一热塑性护套以保护免受侵蚀。位于护套与管之间的高性能纤维形成绝热层并防止两个部分在挤出期间熔融。熔融的结果是光学信号的传输会受到干扰。在紧套管电缆的情形下，熔融还会使电缆不能进行连接。为了防止不期望的熔融，在这种电缆中用作绝热体的增强材料多于从电缆强度或电缆模量的角度出发所需要的增强材料。
本发明的再一个目的是生产一种带，其足够柔性以有效地覆盖内电缆，这使得可以使用少得多的增强纤维。此外，通过使用本发明的带，可减小光纤电缆的直径和重量。这样的优点是，可在现有的电缆管道中使用更多的光纤电缆，并且工作站与用户之间的更多连接是可能的。还可使用超吸水材料来整理本发明的带——例如通过使用含超强吸水剂的油包水乳胶来处理带。类似地，在需要的情况下，可增加其它官能。
在一些电缆中，堆叠2至12根的光纤并浸渍以形成条带。来自本发明的带能够很方便地与此类条带结合并因此简化此类电缆的生产。此类带的应用还可简化用于附连到接头或分线盒上的劳动密集型电缆的制备。
重要的是，在经过长丝的展开之后，纤维尽快地固定以防止长丝的缠绕和起毛，同时保持其所需要的尺寸特性(诸如宽度和高度)。可以通过使用其它可固化的液态热塑性树脂或液体蜡、并在固化或凝固之后永久地固定(固定不动)长丝来实现此目的。因此，重要的是尽快执行固化或凝固处理。这通过依次地执行该处理来实现，即，执行所有处理步骤而不对中间产品进行中间打断。现有技术的大多数树脂不适于这种快速的固定。可固化的树脂是特别优选的，因为它们可以快速地硬化，因此锁定长丝以实现固定。原则上，可使用热固化和辐射固化(诸如UV和电子束固化)两者。热固化可优选地通过热固性树脂(其中合适的实例包括环氧树脂、乙烯基酯、不饱和聚酯、聚氨酯和酚醛树脂)进行。在一便利的方法中，展开的长丝被引导穿过容纳有可固化树脂的浴槽、模具、或涂敷装置、然后导向加热辊、热空气烤炉、热板或其组合，树脂在其上快速地固化从而固定长丝。在另一实施例中，当使用液态热塑性树脂时，展开的长丝被引导穿过浴槽、模具、或涂敷装置、然后导向冷却辊以便实现树脂的快速凝固。如果需要这样的话，纱线可以被干燥，例如在已经执行处理步骤b1)或a2)之后进行干燥。
更加方便地，将可辐射固化的树脂施加在展开的长丝上。合适的可辐射固化树脂例如是包括烯丙基、乙烯基或(甲基)丙烯酸酯官能的树脂。这些树脂处理的长丝被立刻导入照射区域——诸如UV灯照射区域或电子束区域，在所述情形下树脂瞬时固化。快速固化允许高的处理速度，其使得UV固化在商业上是有吸引力的。例如，依次施加和UV固化可被看作是在高达700m/min的高速纺纱生产线中的后处理步骤。
在另一便利的方法中，通过液态热塑性树脂或蜡处理纱束。液态热塑性树脂或蜡是在超过其熔点时呈液态、或在溶剂中溶解或乳化时呈液态的热塑性树脂或蜡。通过将温度降低到其熔点以下、或者通过去除溶剂——例如通过蒸发——来凝固这些材料。合适的溶剂为水或普通的有机溶剂，诸如甲苯、异十六烷、乙醇、丙酮、醚等。更便利的是如下的方法，其中通过低粘度水溶液或热塑性树脂或蜡的分散体来处理纱束。低粘度的水分散体快速地渗透入纱束中并使树脂或蜡在长丝上散开。接下来，通过在例如热空气烤炉中无接触地加热来完全或部分地移除水相，并通过一个或多个杆来展开纱束。紧跟在杆之后，进一步加热展开的纱线以便蒸发剩余的水和/或将热塑性树脂固定在热辊——诸如热导丝辊——的表面上。可使用第二导丝辊以使得柔性微型带可容易地卷绕。在使用了熔融的蜡或热塑性树脂的分散体的情形中，优选的是在杆展开步骤之后，在冷辊上方引导纱线以便将长丝固定在带中。带的宽度可通过使用一个或多个展开杆设定。此外，在热辊或导丝辊之前的纱线张力影响带的最终宽度，其使得可仅通过控制纱线张力来调节带的宽度而无需使用展开杆。
为了获得柔性带，重要的是施加尽可能少的树脂。带包含至少60wt％的纤维，更优选的是至少70wt％(基于带的重量)，并且当使用可UV固化的树脂或蜡时，优选地至少80wt％为纤维。当使用热塑性树脂时，更多量的纤维也是令人满意的，并且优选使用至少90wt％的纤维。
本发明的带的柔性性质使得带可容易地弯曲。本发明的带因此适于弯曲以获得一呈圆柱形的物体，并且然后带的纵向侧可通过粘合剂彼此粘合。由此，可通过本发明的带制造管。
作为粘合剂，可采用普通的粘合剂，但通常优选使用与用于固定长丝的树脂相同的树脂。当使用热塑性树脂时，不必采用这种树脂作为粘合剂。通常，带弯曲而使得纵向两端彼此弯到一起、并且加热和冷却这些端部、由此使得树脂液化和凝固而使得纵向端部彼此密封就已经是足够的了。
本发明的方法适合于任何纤维，并且用于制造由芳纶、玻璃、芳族聚酯或刚性链聚合物纱线形成的带。优选地，该方法适合用于制造芳纶带。
具体实施方式
通过以下非限制性示例进一步说明本发明。
示例1
下文的UV固化树脂从Rahn AG(瑞士)获得并以下列比率(表1)混合：GenomerTM 4302(59wt％)、MiramerTM M3130(36wt％)和GenocureTM LTM(5wt％)。Genomer 4302是含有大于90wt％的脂族聚酯三尿烷三丙烯酸酯的UV固化丙烯酸树脂。Miramer M3130是三官能反应性丙烯酸酯单体，含有乙氧化三羟甲基丙烷三丙烯酸酯。Genocure LTM是液态的光引发剂组合。在以下示例中，所使用的混合物称为“UV固化丙烯酸酯混合物”。
表1.UV固化丙烯酸酯混合物的组分
  商品名称   官能识别   重量份
  Genomer 4302   丙烯酸树脂   59
  Miramer M3130   反应性丙烯酸单体   36
  Genocure LTM   光引发剂   5
UV固化设置
安装并使用F300Fusion UV灯以有利于纱线在40m/min的速度下固化。F300Fusion UV灯装设有总功率输出为1800W的高压汞灯泡(“H”灯泡)。另外，安装来自Fusion UV的C6-1电线&电缆反射镜以保证圆形照明。使用五个直径为6mm的固定的圆形杆展开纱线，结合两个来自Rauschert的Rapal100 3.94336导纱器(涂敷装置)。利用来自Rauschert的卷绕机引导装置Rapal100 3.94336，通过Barmag络纱机在94mm管上完成卷绕。在以下示例中，将这种设置称为“UV固化设置”。
使用两种类型的Twaron纱线——其各具有两个不同dtex值——完成六个实验(表2)：
将
Figure BPA00001187472700071
1000 1680f1000和
Figure BPA00001187472700072
D2200 1610f1000(前TeijinAramid公司，荷兰)均在UV固化设置中从标准商用筒管解开，并以10-15wt％的UV固化丙烯酸混合物浸渍两次。
这在固化和卷绕后形成约2mm的带宽，并大致有六个长丝层。
将
Figure BPA00001187472700073
1000 1680f1000和D2200 1610f1000均在UV固化设置中从标准商用筒管解开，并以15-20wt％(基于纱线重量)的UV固化丙烯酸混合物浸渍两次。这在固化和卷绕后形成约4mm的带宽，并大致有三个长丝层。
将
Figure BPA00001187472700075
1000 3360f2000和
Figure BPA00001187472700076
D2200 3220f2000均在UV固化设置中从标准商用筒管解开，并以10-15wt％(基于纱线重量)的UV固化丙烯酸混合物浸渍两次。这在固化和卷绕后形成约4mm的带宽，并大致有六个长丝层。
表2.使用Twaron 1000和D2200纱线的六个UV固化实验的概况。
Figure BPA00001187472700081
＊平均值
#基于纱线重量
-未测试
示例2a至2c
对Twaron D2200，1610dtex/f 1000的纱线卷装进行以下处理。将芳纶纱线卷装滚动地解开，同时依次地使纱线通过一液体涂敷装置、穿过两个热空气烤炉(各长3m)、使纱线通过一定数量的展开杆、使纱线通过导丝辊A和下一个导丝辊B并最终卷绕成一卷装。通过液体涂敷装置和管式泵，纱线被浸渍以不同量的液态热塑性树脂(参见表3)。在烤炉中，溶剂被部分或完全地蒸发。所使用的展开杆的直径为7mm。导丝辊A的温度可调节，而导丝辊B的温度等于室温(约20℃)。在表4中，提到了所生产的带的处理条件和特性。
表3.所使用的液态热塑性树脂和蜡
表4
Figure BPA00001187472700101
#纱线经过烤炉3次
示例2d至2f
与示例2a至2c中采取相同的步骤，只不过使用Twaron D2200，3220dtex/f2000作为原纱。在表5中，提到了所生产的带的处理条件和特性。
表5
示例3a至3c
与示例2a至2c中采取相同的步骤，只不过将导丝辊A的温度保持在室温(约20℃)并且使用液态蜡(参见表3)。在表6中，提到了所生产的带的处理条件和特性。
表6
Figure BPA00001187472700121
＊纱线经过烤炉5次
示例2a至2f和3a至3c生产的带是柔性的，并且每个带的各长丝都被固定。
示例4
对
Figure BPA00001187472700122
HMY T 242(61dtex/f25)进行以下处理。将纱线滚动地解开。然后纱线穿过一设备以消除由纱线的解开导致的张力波动。接着，纱线穿过纱线张力监测器F1、非加热导丝辊1、纱线张力监测器F2、板、纱线张力监测器F3、非加热导丝辊2和纱线张力监测器F4。经测试的含水整理剂的施加(见表5)发生在张力计4之后、并在进入第一管式烤炉之前。通过由玻璃注射泵进给的陶瓷涂敷装置来施加经测试的含水整理剂。在加热的第一管式烤炉(用于蒸发溶剂)之后，穿过非加热导丝辊2和纱线张力计F5。接下来，整理后的纱线穿过(非加热)管式烤炉2和非加热导丝辊3。通过在非加热导丝辊4和加热导丝辊5之间施加高的纱线张力(张力监测器F6)，纱线在加热导丝辊5上成形为带形。在穿过加热导丝辊5之后，纱线(在张力(监测器F7)下)于卷绕之前冷却。
在表7和8中，提到了所用的整理剂和处理条件/特性。
表7所使用的含水整理剂
Figure BPA00001187472700131
表8
Figure BPA00001187472700141
示例5a至5b
对Twaron D2200，3220dtex/f 2000的纱线卷装进行以下处理。在表9所给出的纱线张力下将芳纶纱线卷装滚动地解开，同时依次地使纱线通过一液体涂敷装置、穿过两个热空气烤炉(各长3m)，使纱线通过一热的导丝辊并最终卷绕成一卷装。借助于受控的纱线解开速度来调节纱线解开张力。通过液体涂敷装置和管式泵，纱线被浸渍以液态热塑性树脂。在烤炉中，溶剂被部分或完全地蒸发。在表9中，提到了所生产的带的处理条件和特性。本例示出可借助于纱线张力来调节带的宽度而无需使用一个或多个展开杆。
表9
Figure BPA00001187472700151
＊Alberdingk U6150是Alberdingk Boley(Krefeld，Germany)的不具有n-甲基吡咯烷酮的聚碳酸酯-聚氨酯水分散体。

Claims (10)

1.一种用于由选自芳纶、玻璃、芳族聚酯和刚性链聚合物的复丝制造柔性纤维连续带的方法，所述带基于带的重量含有60至98wt％的纤维，所述方法包括以下步骤：
a1)展开纱线的长丝以获得横截面纵横比(w/h)为2至2000的长丝层；以及
b1)使用可固化的树脂、或液态热塑性树脂或蜡来处理展开的长丝；或
a2)使用可固化的树脂、或液态热塑性树脂或蜡来处理纱线；以及
b2)展开纱线的长丝以获得横截面纵横比(w/h)为2至2000的长丝层；然后
c)通过固化或凝固树脂来固定长丝以获得带，其中所述步骤a1-b1、或a2-b2、以及c依次地执行。
2.根据权利要求1的方法，其中，所述树脂是可固化的树脂。
3.根据权利要求2的方法，其中所述树脂是可UV固化的树脂。
4.根据权利要求1-3中任一项的方法，其中，所述带在固化或凝固后弯曲以获得圆柱形的物体，然后通过粘合剂使所述带的纵向侧彼此粘合。
5.根据权利要求4的方法，其中，所述粘合剂是在权利要求1的步骤b1或b2中使用的树脂。
6.根据权利要求1-5中任一项的方法，其中，所述带由芳纶纱线制造。
7.一种柔性连续带，其基于带的重量含有60至98wt％的纤维，包括横截面纵横比(w/h)为2至2000的长丝层，所述长丝通过固化或凝固的树脂或蜡固定。
8.根据权利要求7的带，其中，所述横截面纵横比(w/h)为20至500。
9.根据权利要求7的带，其中，所述带的宽度小于0.5毫米，所述横截面纵横比(w/h)为2至20。
10.一种光纤电缆，其包括权利要求8的带作为增强材料。
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CN117162531A (zh) * 2023-11-02 2023-12-05 搏世因（北京）高压电气有限公司 一种浸渍纤维套管全自动多维绕制系统

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BRPI0819636B1 (pt) 2019-06-04
AU2008328856A1 (en) 2009-06-04
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JP2011508794A (ja) 2011-03-17
DK2225091T3 (da) 2013-03-25
KR20100108540A (ko) 2010-10-07
EP2225091A2 (en) 2010-09-08
MY152327A (en) 2014-09-15
RU2010126660A (ru) 2012-01-10
ZA201003944B (en) 2011-08-31
KR101608705B1 (ko) 2016-04-04
US8031996B2 (en) 2011-10-04
PL2225091T3 (pl) 2013-08-30
CN101932430B (zh) 2013-12-04
BRPI0819636A2 (pt) 2015-05-05
WO2009068541A2 (en) 2009-06-04
WO2009068541A3 (en) 2009-08-20
MX2010005956A (es) 2010-08-11
EP2225091B1 (en) 2013-02-20
US20100266247A1 (en) 2010-10-21

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