WO2019223798A1 - Method for preparing conductive yarn by using vacuum thermal vapor deposition technique - Google Patents

Method for preparing conductive yarn by using vacuum thermal vapor deposition technique Download PDF

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WO2019223798A1
WO2019223798A1 PCT/CN2019/088431 CN2019088431W WO2019223798A1 WO 2019223798 A1 WO2019223798 A1 WO 2019223798A1 CN 2019088431 W CN2019088431 W CN 2019088431W WO 2019223798 A1 WO2019223798 A1 WO 2019223798A1
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yarn
evaporation
metal
conductive
particles
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PCT/CN2019/088431
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French (fr)
Chinese (zh)
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姜绶祥
徐江涛
苗大刚
彭灵慧
王宇翔
尚颂民
华涛
彭青歆
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东莞超盈纺织有限公司
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Publication of WO2019223798A1 publication Critical patent/WO2019223798A1/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides

Definitions

  • the invention relates to the technical field of textiles, and in particular, to a method for preparing a yarn with electrical conductivity.
  • Conductive fibers can be used not only to absorb electromagnetic waves and eliminate static electricity, but also to detect and transmit electrical signals. Therefore, conductive fibers have achieved very successful and extensive applications in the development of smart textiles.
  • the current conductive fibers mainly include metal filaments, carbon fibers, conductive polymer yarns, conductive polymer coated yarns, etc. The problems with these yarns are difficult to prepare, or expensive, or limited applications, etc. Mass production and meet market needs.
  • An object of the present invention is to provide a method for preparing a conductive yarn.
  • the invention provides a method for preparing a conductive yarn, which is prepared by the following method:
  • step S1 the yarn is pretreated: first, the yarn is ultrasonically cleaned and dried with a solution such as detergent, acetone, ethanol or the like;
  • step S2 the yarn pretreated in step S1 is put into a vacuum chamber of a vacuum evaporation coil coating machine to perform coating: evacuate the evaporation vacuum chamber so that the vacuum degree of the background reaches 5 ⁇ 10 -3 to 5 ⁇ 10 -4 Pa; set target base distance to 15cm; crucible used for evaporation: aluminum particles-alumina ceramic crucible, silver particles-tungsten evaporation boat; evaporation current: 70A to 100A for aluminum particles, and silver particles for 180A ⁇ 300A; using a thermal evaporation method, metal is deposited on the yarn to form a metal thin film on the yarn;
  • the yarn is a spinnable yarn such as polyester yarn, nylon yarn, and cotton yarn.
  • the vapor-deposited particles are silver particles, aluminum particles, and other metal and non-metal particles that can be vapor-deposited.
  • the metal is heated to an evaporation temperature, and the metal particles are vapor-deposited on the surface of the yarn.
  • a metal is deposited on the yarn by using a vacuum thermal evaporation technology to form a continuous metal film on the yarn.
  • the yarn prepared by this method has good electrical conductivity, and has less influence on the physical properties such as the strength of the yarn.
  • FIG. 1 is a flowchart of a method for preparing a conductive yarn according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for preparing a conductive yarn according to an embodiment of the present invention. As shown in Figure 1, the method includes the following steps:
  • step S1 the yarn is pretreated: first, the yarn is ultrasonically cleaned and dried with a solution such as detergent, acetone, ethanol or the like;
  • Step S2 Put the pre-treated yarn in step S1 into the vacuum chamber of the vacuum evaporation coil coating machine for coating: evacuate the evaporation vacuum chamber so that the background vacuum reaches 5 ⁇ 10 -3 ⁇ 5 ⁇ 10 -4 Pa; set target base distance to 15cm; crucible used for evaporation: aluminum particles-alumina ceramic crucible, silver particles-tungsten evaporation boat; evaporation current: 70A to 100A for aluminum particles, and silver particles for 180A ⁇ 300A; using a thermal evaporation method, metal is deposited on the yarn to form a metal thin film on the yarn;
  • Fabric pretreatment Put polyester yarn (150D / 48F) into a 3: 1 mixed solution of acetone and ethanol, and treat under ultrasonic conditions for 30min to remove impurities such as organic solvents and dust on the surface of the fabric, and then Rinse repeatedly with deionized water and dry in an oven at 40-45 ° C.
  • Vacuum evaporation coating evacuate the evaporation chamber to achieve a background vacuum of 5 ⁇ 10 -3 Pa; set the target base distance to 15cm, and the evaporation power to: aluminum particles 90A, silver particles 250A, using vacuum evaporation technology , Evaporating a metal onto the yarn to form a metal film on the yarn;
  • Table 1 shows the comparison of the electrical conductivity, breaking strength, and elongation at break of the conductive yarn prepared according to the method of the present invention and the ordinary polyester yarn without evaporation. Yarn strength and elongation at break tests are performed in accordance with GB / T 3916-2013. The results show that the conductive yarn provided by the present invention has good electrical conductivity and physical properties.
  • Fabric pretreatment Put nylon filaments (100D / 0.12mm) into a 3: 1 mixed solution of acetone and ethanol, and treat under ultrasonic conditions for 30 minutes to remove impurities such as organic solvents and dust on the surface of the fabric. It is repeatedly rinsed with deionized water and dried in an oven at 40-45 ° C.
  • Vacuum evaporation coating evacuate the evaporation chamber to achieve a background vacuum of 5 ⁇ 10 -3 Pa; set the target base distance to 15cm, and the evaporation power to: aluminum particles 90A, silver particles 250A, using vacuum evaporation technology , Evaporating a metal onto the yarn to form a metal film on the yarn;
  • Table 2 shows the comparison of the electrical conductivity, breaking strength, and elongation at break of the conductive yarns prepared according to the method of the present invention and the ordinary polyester yarns without evaporation. Yarn strength and elongation at break tests are performed in accordance with GB / T 3916-2013. The results show that the conductive yarn provided by the present invention has good electrical conductivity and physical properties.
  • metal aluminum and silver are vapor-deposited onto the yarn by using a thermal evaporation technology, and a metal film is formed on the yarn to obtain good electrical conductivity. And has good physical and mechanical properties.
  • the basic requirement for the yarn of the present invention is the strength, because during the vapor deposition, a part of the force is applied to the yarn during the transmission of the yarn. Therefore, only the yarn with a tensile breaking strength greater than 5 can achieve continuous plating. .
  • Conductive non-metal particles such as indium tin oxide (ITO), aluminum-doped zinc oxide (AZO) and other conductive non-metal materials.
  • ITO indium tin oxide
  • AZO aluminum-doped zinc oxide
  • the requirements for the vapor-deposited particulate material of the present invention are mainly the melting temperature of the material. Current equipment requires that the particle melting temperature cannot exceed 1300 ° C, but this range can be expanded as the equipment is improved.
  • the evaporation source is heated by resistance heating, the evaporated substance is melted and evaporated at a high temperature, and a film layer is deposited on the surface of the substrate.
  • the vacuum requirement is ⁇ 3 ⁇ 10 -3 Pa.
  • the evaporation current and yarn transmission speed need to be adjusted according to the thickness of the plating film.
  • Vacuum thermal evaporation yarn winding coating machine is mainly composed of vacuum chamber, vacuum control and measurement system, water-cooled evaporation electrode, winding mechanism, cooling system, electrical control system and so on.
  • the vacuum chamber is made of stainless steel 290mm ⁇ 290mm ⁇ 290mm, and the thickness of the cylinder is 10mm.
  • the chamber is equipped with two circular observation windows, two vacuum measuring sockets, and a vent valve.
  • the vacuum control and measurement system consists of a rotary vane pump and a molecular pump and a measurement panel.
  • the water-cooled evaporation electrode consists of two semi-water-cooled evaporation electrodes and a semi-enclosed shield.
  • the winding mechanism adopts a cantilever structure and is installed on the wall plate at the end of the container. It consists of unwinding device, two winding main rollers and winding device, all made of stainless steel. The winding device is automatically controlled by two servo motors. In the cooling system, the cold circulating water machine provides stable refrigeration circulating water to the electrodes and molecular pumps.
  • the electrical control system is mainly composed of vacuum control, vacuum measurement control, evaporation power supply, winding control, and film thickness control. All control operations are performed on the same control panel.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

The present invention discloses a method for preparing conductive yarn by using a vacuum thermal vapor deposition technique. The conductive yarn is prepared by using the following steps: step S1, pretreatment of yarn; and step S2, placing, in a vacuum chamber of a vacuum evaporation winding coating machine, the pretreated yarn from Step S1 and performing coating, wherein a thermal vapor deposition method is used to deposit a metal on a surface of a yarn material, so as to form a metallic film on the surface thereof. The conductive yarn provided by the present invention has favorable electrical conductivity, flexibility and feel, and does not lose weaveability due to vapor deposition.

Description

真空热蒸镀技术制备导电纱线的方法Method for preparing conductive yarn by vacuum thermal evaporation technology 技术领域Technical field
本发明涉及纺织物技术领域，尤其涉及一种具有导电性的纱线的制备方法。The invention relates to the technical field of textiles, and in particular, to a method for preparing a yarn with electrical conductivity.
背景技术Background technique
导电纤维不仅可以用于吸收电磁波、消除静电，而且也可电信号的探测及传输，所以，导电纤维在智能纺织品的发展方面取得了非常成功和广泛的应用。然而，目前的导电纤维主要有金属长丝、碳纤维、导电聚合物纱线、导电聚合物涂层纱线等，这些纱线存在的问题是制备困难，或者价格昂贵，或者应用范围有限等，难以大量生产并满足市场需要。Conductive fibers can be used not only to absorb electromagnetic waves and eliminate static electricity, but also to detect and transmit electrical signals. Therefore, conductive fibers have achieved very successful and extensive applications in the development of smart textiles. However, the current conductive fibers mainly include metal filaments, carbon fibers, conductive polymer yarns, conductive polymer coated yarns, etc. The problems with these yarns are difficult to prepare, or expensive, or limited applications, etc. Mass production and meet market needs.
发明内容Summary of the Invention
本发明的目的在于提供一种导电性纱线的制备方法。An object of the present invention is to provide a method for preparing a conductive yarn.
本发明提供了一种导电纱线的制备方法，所述导电纱线通过以下方法制备：The invention provides a method for preparing a conductive yarn, which is prepared by the following method:
步骤S1，纱线预处理：首先将纱线用洗涤剂、丙酮、乙醇等溶液超声波清洗并烘干，或者等离子体清洗之后，打卷；In step S1, the yarn is pretreated: first, the yarn is ultrasonically cleaned and dried with a solution such as detergent, acetone, ethanol or the like;
步骤S2，将步骤S1中预处理好的纱线放入真空蒸镀卷绕镀膜机的真空室中进行镀膜：对蒸镀真空室抽真空，使本底真空度达到5×10 -3～5×10 -4Pa；设定靶基距为15cm；蒸镀所用坩埚：铝颗粒——氧化铝陶瓷坩埚，银颗粒——钨蒸发舟；蒸镀电流：铝颗粒为70A～100A，银颗粒为180A～300A；采用热蒸镀的方法，将金属蒸镀到纱线上，在所述纱线上形成一层金属薄膜； In step S2, the yarn pretreated in step S1 is put into a vacuum chamber of a vacuum evaporation coil coating machine to perform coating: evacuate the evaporation vacuum chamber so that the vacuum degree of the background reaches 5 × 10 -3 to 5 × 10 -4 Pa; set target base distance to 15cm; crucible used for evaporation: aluminum particles-alumina ceramic crucible, silver particles-tungsten evaporation boat; evaporation current: 70A to 100A for aluminum particles, and silver particles for 180A ~ 300A; using a thermal evaporation method, metal is deposited on the yarn to form a metal thin film on the yarn;
可选地，所述纱线为涤纶纱线，锦纶纱线，棉纱等可纺纱线。Optionally, the yarn is a spinnable yarn such as polyester yarn, nylon yarn, and cotton yarn.
可选地，所述蒸镀颗粒为银颗粒，铝颗粒以及其他可以蒸镀的金属、非金属颗粒。Optionally, the vapor-deposited particles are silver particles, aluminum particles, and other metal and non-metal particles that can be vapor-deposited.
优选地，在所述步骤S2中，将金属加热至蒸发温度，将金属颗粒蒸镀到所述纱线表 面。Preferably, in the step S2, the metal is heated to an evaporation temperature, and the metal particles are vapor-deposited on the surface of the yarn.
实施本发明实施例，具有如下有益效果：根据本发明提供的具有导电性的纱线，利用真空热蒸镀技术，将金属蒸镀到纱线上，在纱线上形成连续的金属膜。通过此方法制备的纱线具有良好的导电性，并且对纱线的强力等物理性能产生的影响较小。Implementing the embodiments of the present invention has the following beneficial effects: According to the conductive yarn provided by the present invention, a metal is deposited on the yarn by using a vacuum thermal evaporation technology to form a continuous metal film on the yarn. The yarn prepared by this method has good electrical conductivity, and has less influence on the physical properties such as the strength of the yarn.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without paying creative labor.
图1为本发明一实施例提供的制备具有导电性的纱线的制备方法的流程图。FIG. 1 is a flowchart of a method for preparing a conductive yarn according to an embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
图1为本发明一实施例提供的制备具有导电性的纱线的制备方法的流程图。如图1所示，该方法包括以下步骤：FIG. 1 is a flowchart of a method for preparing a conductive yarn according to an embodiment of the present invention. As shown in Figure 1, the method includes the following steps:
步骤S1，纱线预处理：首先将纱线用洗涤剂、丙酮、乙醇等溶液超声波清洗并烘干，或者等离子体清洗之后，打卷；In step S1, the yarn is pretreated: first, the yarn is ultrasonically cleaned and dried with a solution such as detergent, acetone, ethanol or the like;
步骤S2，讲步骤S1中预处理好的纱线放入真空蒸镀卷绕镀膜机的真空室中进行镀膜：对蒸镀真空室抽真空，使本底真空度达到5×10 -3～5×10 -4Pa；设定靶基距为15cm；蒸镀所用坩埚：铝颗粒——氧化铝陶瓷坩埚，银颗粒——钨蒸发舟；蒸镀电流：铝颗 粒为70A～100A，银颗粒为180A～300A；采用热蒸镀的方法，将金属蒸镀到纱线上，在所述纱线上形成一层金属薄膜； Step S2: Put the pre-treated yarn in step S1 into the vacuum chamber of the vacuum evaporation coil coating machine for coating: evacuate the evaporation vacuum chamber so that the background vacuum reaches 5 × 10 -3 ～ 5 × 10 -4 Pa; set target base distance to 15cm; crucible used for evaporation: aluminum particles-alumina ceramic crucible, silver particles-tungsten evaporation boat; evaporation current: 70A to 100A for aluminum particles, and silver particles for 180A ~ 300A; using a thermal evaporation method, metal is deposited on the yarn to form a metal thin film on the yarn;
实施例1Example 1
织物预处理：将涤纶纱线(150D/48F)放入丙酮与乙醇的3:1的混合溶液中，在超声波的条件下处理30min，以去除织物表面的有机溶剂、灰尘等杂质，然后将其用去离子水反复冲洗后放入40～45℃的烘箱中烘干。Fabric pretreatment: Put polyester yarn (150D / 48F) into a 3: 1 mixed solution of acetone and ethanol, and treat under ultrasonic conditions for 30min to remove impurities such as organic solvents and dust on the surface of the fabric, and then Rinse repeatedly with deionized water and dry in an oven at 40-45 ° C.
真空蒸镀镀膜：对蒸镀室抽真空，使本底真空达到5×10 -3Pa；设定靶基距为15cm，蒸镀功率为：铝颗粒90A，银颗粒250A，采用真空蒸镀技术，将金属蒸镀到纱线上，在所述纱线上形成一层金属膜； Vacuum evaporation coating: evacuate the evaporation chamber to achieve a background vacuum of 5 × 10 -3 Pa; set the target base distance to 15cm, and the evaporation power to: aluminum particles 90A, silver particles 250A, using vacuum evaporation technology , Evaporating a metal onto the yarn to form a metal film on the yarn;
表1所示为根据本发明方法制得的导电纱线及未进行蒸镀的普通涤纶纱线在导电性、断裂强力以及断裂伸长方面的对比。纱线的强力及断裂伸长测试根据GB/T 3916-2013进行。结果表明，本发明提供的具有导电性的纱线具有良好的导电性及物理性能。Table 1 shows the comparison of the electrical conductivity, breaking strength, and elongation at break of the conductive yarn prepared according to the method of the present invention and the ordinary polyester yarn without evaporation. Yarn strength and elongation at break tests are performed in accordance with GB / T 3916-2013. The results show that the conductive yarn provided by the present invention has good electrical conductivity and physical properties.
表1 各项性能测试结果Table 1 Performance test results
Figure PCTCN2019088431-appb-000001
Figure PCTCN2019088431-appb-000001
实施例2Example 2
织物预处理：将尼龙长丝(100D/0.12mm)放入丙酮与乙醇的3:1的混合溶液中，在超声波的条件下处理30min，以去除织物表面的有机溶剂、灰尘等杂质，然后将 其用去离子水反复冲洗后放入40～45℃的烘箱中烘干。Fabric pretreatment: Put nylon filaments (100D / 0.12mm) into a 3: 1 mixed solution of acetone and ethanol, and treat under ultrasonic conditions for 30 minutes to remove impurities such as organic solvents and dust on the surface of the fabric. It is repeatedly rinsed with deionized water and dried in an oven at 40-45 ° C.
真空蒸镀镀膜：对蒸镀室抽真空，使本底真空达到5×10 -3Pa；设定靶基距为15cm，蒸镀功率为：铝颗粒90A，银颗粒250A，采用真空蒸镀技术，将金属蒸镀到纱线上，在所述纱线上形成一层金属膜； Vacuum evaporation coating: evacuate the evaporation chamber to achieve a background vacuum of 5 × 10 -3 Pa; set the target base distance to 15cm, and the evaporation power to: aluminum particles 90A, silver particles 250A, using vacuum evaporation technology , Evaporating a metal onto the yarn to form a metal film on the yarn;
表2所示为根据本发明方法制得的导电纱线及未进行蒸镀的普通涤纶纱线在导电性、断裂强力以及断裂伸长方面的对比。纱线的强力及断裂伸长测试根据GB/T 3916-2013进行。结果表明，本发明提供的具有导电性的纱线具有良好的导电性及物理性能。Table 2 shows the comparison of the electrical conductivity, breaking strength, and elongation at break of the conductive yarns prepared according to the method of the present invention and the ordinary polyester yarns without evaporation. Yarn strength and elongation at break tests are performed in accordance with GB / T 3916-2013. The results show that the conductive yarn provided by the present invention has good electrical conductivity and physical properties.
表2 各项性能测试结果Table 2 Performance test results
Figure PCTCN2019088431-appb-000002
Figure PCTCN2019088431-appb-000002
根据本发明提供的具有导电性的纱线的制备方法，利用热蒸镀技术，将金属铝和银蒸镀到纱线上，在纱线上形成一层金属膜，可以获得良好的导电性，并且具有较好的物理机械性能。According to the method for preparing a conductive yarn provided by the present invention, metal aluminum and silver are vapor-deposited onto the yarn by using a thermal evaporation technology, and a metal film is formed on the yarn to obtain good electrical conductivity. And has good physical and mechanical properties.
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。What has been disclosed above is only a preferred embodiment of the present invention. Of course, the scope of rights of the present invention cannot be limited by this. Those of ordinary skill in the art can understand all or part of the process of implementing the above embodiments and follow the rights of the present invention. Equivalent changes required are still within the scope of the invention.
例如，下面是本发明的一些一般性要求，本领域普通技术人员可以根据具体情况加以变换。For example, the following are some general requirements of the present invention, which can be changed by those skilled in the art according to specific situations.
本发明对纱线的基本要求是强力，因为在蒸镀时，纱线的传输过程中会有一部分力施加在纱线上，因此，只有拉伸断裂强力大于5的纱线才能实现连续镀覆。The basic requirement for the yarn of the present invention is the strength, because during the vapor deposition, a part of the force is applied to the yarn during the transmission of the yarn. Therefore, only the yarn with a tensile breaking strength greater than 5 can achieve continuous plating. .
导电非金属颗粒比如：氧化铟锡(ITO)，铝掺杂氧化锌(AZO)等导电非金属材料。本发明对蒸镀颗粒材料的要求主要是材料的熔融温度，目前的设备要求颗粒熔融温度不可以超过1300℃，但是这一范围可以随着设备的改进而扩大。Conductive non-metal particles such as indium tin oxide (ITO), aluminum-doped zinc oxide (AZO) and other conductive non-metal materials. The requirements for the vapor-deposited particulate material of the present invention are mainly the melting temperature of the material. Current equipment requires that the particle melting temperature cannot exceed 1300 ° C, but this range can be expanded as the equipment is improved.
在真空条件下，利用电阻发热对蒸发源进行加热，被蒸发物在高温下熔融、蒸发，并在基材表面沉积膜层。Under vacuum conditions, the evaporation source is heated by resistance heating, the evaporated substance is melted and evaporated at a high temperature, and a film layer is deposited on the surface of the substrate.
通常达到最佳镀覆效果时，真空度要求≤3×10 -3Pa。而蒸镀电流以及纱线传输速度则需要根据镀覆膜厚去调整。 When the best plating effect is usually achieved, the vacuum requirement is ≤3 × 10 -3 Pa. The evaporation current and yarn transmission speed need to be adjusted according to the thickness of the plating film.
真空热蒸发纱线卷绕镀膜机主要由真空室、真空控制及测量***、水冷蒸发电极、卷绕机构、冷却***、电器控制***等几大部分组成。真空室采用不锈钢290mm×290mm×290mm的筒体，筒体厚度10mm。室体设有两个圆形观察窗，两个真空测量接孔，放气阀等组件。真空控制及测量***由旋片泵和分子泵以及测量面板构成。水冷蒸发电极由两个半水冷型蒸发电极及半封闭式屏蔽罩组成。卷绕机构由采用悬臂式结构,安装在容器端部墙板。由放卷装置、两根卷绕主辊、收卷装置组成，均采用不锈钢制造。绕线装置通过两个伺服电机自动控制。冷却***由冷循环水机给电极、分子泵提供稳定的制冷循环水。电器控制***主要由真空控制、真空测量控制、蒸发电源、绕线控制、膜厚控制组成，所有控制操作均在同一控制面板进行。Vacuum thermal evaporation yarn winding coating machine is mainly composed of vacuum chamber, vacuum control and measurement system, water-cooled evaporation electrode, winding mechanism, cooling system, electrical control system and so on. The vacuum chamber is made of stainless steel 290mm × 290mm × 290mm, and the thickness of the cylinder is 10mm. The chamber is equipped with two circular observation windows, two vacuum measuring sockets, and a vent valve. The vacuum control and measurement system consists of a rotary vane pump and a molecular pump and a measurement panel. The water-cooled evaporation electrode consists of two semi-water-cooled evaporation electrodes and a semi-enclosed shield. The winding mechanism adopts a cantilever structure and is installed on the wall plate at the end of the container. It consists of unwinding device, two winding main rollers and winding device, all made of stainless steel. The winding device is automatically controlled by two servo motors. In the cooling system, the cold circulating water machine provides stable refrigeration circulating water to the electrodes and molecular pumps. The electrical control system is mainly composed of vacuum control, vacuum measurement control, evaporation power supply, winding control, and film thickness control. All control operations are performed on the same control panel.

Claims (5)

  1. 一种具有导电性的纱线，其特征在于，所述功能性纱线由以下方法制备：A conductive yarn, wherein the functional yarn is prepared by the following method:
    步骤S1，纱线预处理：首先将纱线用洗涤剂、丙酮、乙醇等溶液超声波清洗并烘干，或者等离子体清洗之后，打卷；In step S1, the yarn is pretreated: first, the yarn is ultrasonically cleaned and dried with a solution such as detergent, acetone, ethanol or the like;
    步骤S2，讲步骤S1中预处理好的纱线放入真空蒸镀卷绕镀膜机的真空室中进行镀膜：In step S2, the pre-treated yarn in step S1 is put into a vacuum chamber of a vacuum evaporation coil coating machine for coating:
    对蒸镀真空室抽真空，使本底真空度达到5×10 -3～5×10 -4Pa；设定靶基距为15cm；蒸镀所用坩埚：铝颗粒——氧化铝陶瓷坩埚，银颗粒——钨蒸发舟；蒸镀电流：铝颗粒为70A～100A，银颗粒为180A～300A；采用热蒸镀的方法，将金属蒸镀到纱线上，在所述纱线上形成一层金属薄膜； Evacuate the evaporation vacuum chamber so that the background vacuum reaches 5 × 10 -3 ～ 5 × 10 -4 Pa; set the target base distance to 15cm; the crucible used for evaporation: aluminum particles-alumina ceramic crucible, silver Particles—Tungsten evaporation boat; evaporation current: 70A ～ 100A for aluminum particles and 180A ～ 300A for silver particles; using thermal evaporation method, metal is deposited on the yarn to form a layer on the yarn Metal film
  2. 根据权利要求1所述的具有导电性的纱线，其特征在于，所述纱线为涤纶纱线，锦纶纱线，棉纱等可纺纱线。The conductive yarn according to claim 1, wherein the yarn is a spinnable yarn such as a polyester yarn, a nylon yarn, or a cotton yarn.
  3. 根据权利要求1所述的具有导电性的纱线，其特征在于，所述蒸镀颗粒为银颗粒，铝颗粒以及其他可以蒸镀的导电金属、非金属颗粒。The conductive yarn according to claim 1, wherein the vapor-deposited particles are silver particles, aluminum particles, and other conductive metal and non-metal particles that can be vapor-deposited.
  4. 根据权利要求3所述的具有导电性的纱线，其特征在于，在所述步骤S2中，将金属加热至蒸发温度，将金属颗粒蒸镀到所述纱线表面。The conductive yarn according to claim 3, wherein in the step S2, the metal is heated to an evaporation temperature, and metal particles are vapor-deposited on the surface of the yarn.
  5. 根据权利要求1所述的具有导电性的纱线，其特征在于，在步骤S2中进行蒸镀时，其速度为0.15m/min～10m/min。The conductive yarn according to claim 1, wherein when the vapor deposition is performed in step S2, the speed is 0.15 m / min to 10 m / min.
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