WO2014100915A1 - Audio and video signal transmission conducting wire - Google Patents

Audio and video signal transmission conducting wire Download PDF

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Publication number
WO2014100915A1
WO2014100915A1 PCT/CN2012/001727 CN2012001727W WO2014100915A1 WO 2014100915 A1 WO2014100915 A1 WO 2014100915A1 CN 2012001727 W CN2012001727 W CN 2012001727W WO 2014100915 A1 WO2014100915 A1 WO 2014100915A1
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Prior art keywords
parts
layer
polyethylene
audio
video signal
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PCT/CN2012/001727
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French (fr)
Chinese (zh)
Inventor
许福章
陈加生
许海彬
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揭阳市广福电子实业有限公司
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Publication of WO2014100915A1 publication Critical patent/WO2014100915A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0098—Shielding materials for shielding electrical cables

Definitions

  • the invention relates to an audio video signal transmission conductive line.
  • the existing audio and video signal transmission conductive lines are mainly composed of an inner conductor and an inner insulating layer, an insulating layer, a shielding layer and an outer sheath layer.
  • polyethylene, polypropylene, polyvinyl chloride, polystyrene, nylon, polybutylene terephthalate, etc. have been used as an insulating layer or a protective layer isolated from the external environment.
  • the shielding layer is mostly made of a wire.
  • the shielding layer of the woven mesh and the wire mesh woven mesh are mostly woven by copper wire.
  • the shielding effect is directly related to the density of the wire woven mesh, because the wire woven mesh
  • the shielding layer is mesh, the shielding is uneven, and the shielding effect is not ideal.
  • the copper wire drawing process not only requires a large amount of copper resources, but also drives the rapid increase of copper usage and the rapid increase of price, and the wire drawing process consumes electricity. Huge, low production efficiency, high production cost, and increase the weight of the signal line; 3), because the shielding effect is not ideal, the effective transmission distance is short, and the amplifier must be set in the middle when the line is laid far away, which not only increases the materials and equipment. The cost also adds to the difficulty of installation.
  • PVC copper, nickel, and silver materials have been used as fillers for conductive shielding materials in combination with PVC resin in the shielding layer.
  • PVC has low monomer cost, mature production process, and easy processing. Acid and alkali resistance, abrasion resistance, electrical insulation, no burning; however, its thermal stability and light resistance are poor, 140 ° C decomposition releases hydrogen chloride, PVC has chlorine, it will dry out when heated, and The water in the air is reflected and hydrogen chloride gas is generated. Therefore, the production process of PVC conductive wire is toxic to workers; when a fire occurs, the smoke generated by the burning of PVC conductive wire causes serious damage to the human body.
  • the object of the present invention is to provide an audio video with excellent conductive shielding effect, odorless, non-toxic, light weight, corrosion resistance, low cost, copper saving, energy saving, and simple production equipment.
  • Signal transmission conductive lines The invention comprises an inner conductor and a PE insulating layer, a composite shielding layer and a PE outer sheath layer which are coated from the inner and outer layers, and the composite shielding layer is made of the following weight ratio raw materials: polyethylene resin 70 ⁇ 80 Parts; PE toughening agent 10 ⁇ 20 parts; metallized graphite powder 20 ⁇ 40 parts; stabilizer with acid absorption 2 ⁇ 5 parts; PE lubricant 2 ⁇ 3 parts; PE modifier or elastomer 1 ⁇ 3 Parts; PE synthesis agent 10 ⁇ 30 parts.
  • the metallized graphite powder can be nickel-plated and silver-plated conductive graphite powder, and the stabilizer having the acid-absorbing function can use one of the three-base lead sulfate, calcium stearate, barium stearate and magnesium oxide.
  • PE lubricant can be used with PE wax or n-butyl ester; PE synthetic agent can be used as a nano-synthetic agent.
  • the weight of the composite shielding layer may further contain 10 to 20 parts of the electromagnetic powder, and the electromagnetic powder may be a nano-shielded electromagnetic wave conductive heat insulating powder.
  • the PE insulating layer, the composite shielding layer and the PE outer sheath layer which are covered by the inner and outer layers are injection-molded by a multi-layer co-extrusion production process.
  • audio and video signal transmission conductive lines made of conductive shielding composite materials have excellent shielding effect, odorless, non-toxic and light weight, corrosion resistance, low cost, copper saving, energy saving, production equipment Simple and other advantages;
  • the audio and video signal transmission conductive lines using the conductive shielding composite material as the shielding layer are more than 40% lower than the audio and video signal transmission conductive lines using the copper wire woven mesh as the shielding layer;
  • the invention has the advantages of excellent conductive shielding effect, odorless, non-toxic and light weight, corrosion resistance, low cost, copper saving, energy saving and simple production equipment.
  • FIG. 1 is a schematic view showing the structure of an embodiment of the present invention.
  • PE insulation layer 1, composite shielding layer; 2, composite shielding layer; 3, PE outer sheath layer; 4, inner conductor.
  • An audio and video signal transmission conductive line comprising a PE insulating layer 1, a composite shielding layer 2 and a PE outer sheath layer 3 covered by an inner conductor 4 and a layer from the inner and outer conductors, the composite shielding layer is composed of The following weight ratio is mixed with raw materials: 75kg of polyethylene resin; 15kg of PE toughening agent; 30kg of nickel-plated and silver-plated conductive graphite powder; 15kg of nano-shielded electromagnetic wave conductive heat-insulating powder; 3kg of lead-based lead sulfate; 2.5kg of PE wax; PE modifier 2kg; nano-compositing agent 20kg; PE insulation layer 1, composite shielding layer 2 and PE outer sheath layer 3 covered by inner conductor 4 and inner and outer layers from inner conductor The production process is injection molded.
  • polyethylene commercially available, abbreviated as PE
  • PE is a thermoplastic resin obtained by polymerizing ethylene. Odorless, non-toxic, feels like wax, has excellent low temperature resistance, good chemical stability, can withstand most acid and alkali corrosion, insoluble in common solvents at normal temperature, PE low temperature resistance, minimum use temperature -70 ⁇ -100 °C , low water absorption and excellent electrical insulation properties.
  • the present invention may employ LDPE: low density polyethylene, high pressure polyethylene, or CPE: modified polyethylene, and of course, other types of polyethylene resins may be used.
  • the invention relates to a PE toughening agent, which is also commercially available as a plasticizer.
  • the PE toughening agent, the reinforced PE toughening agent or the environmentally friendly PE toughening agent produced by Shenzhen Jiaxinhao Plastic Products Co., Ltd. can be used.
  • the invention discloses nickel-plated and silver-plated conductive graphite powder, which is commercially available, and can be produced by Xi'an Meiwu Chemical Paper Co., Ltd., nickel-plated and silver-plated conductive graphite powder is conductive graphite powder filler for electromagnetic shielding and absorbing materials, The surface of the graphite powder is covered with nickel and silver by electroplating technology, so that it has a good magnetic conductive and comprehensive function.
  • the surface of the conductive filler has a silver content of 73% or more, a minimum particle size of 7 ⁇ m, and a maximum of 100 ⁇ m.
  • the invention relates to a nano-shielded electromagnetic wave conductive heat-insulating powder, which is commercially available, and can be produced by Hefei Xiangfei Chemical Technology Co., Ltd.
  • the electromagnetic wave conductive heat-insulating powder has the characteristics of high temperature resistance, corrosion resistance and good dispersion. Has excellent electrical and optical properties. Using its good electrical conductivity, it is widely used as an antistatic agent in the fields of coatings, chemical fibers, polymer films, etc., and is resistant to activity, thermoplasticity, and abrasion resistance. Sex, dispersibility, safety, antistatic, thermal insulation, shielding electromagnetic waves, etc. are obviously superior to other antistatic materials, such as graphite, surfactants, metal powder and so on.
  • the PE will be dehydrogenated when heated or in the vulcanization (non-peroxide vulcanization system), so a stabilizer having an acid absorption effect and a stabilizer having an acid absorption effect are used in the formulation, and commercially available, three can be used.
  • a stabilizer having an acid absorption effect and a stabilizer having an acid absorption effect are used in the formulation, and commercially available, three can be used.
  • One of the base of lead sulfate, calcium stearate, barium stearate, and magnesium oxide, and the lead salt of the three salts may be produced by Jinan Jiayu Chemical Co., Ltd.
  • the invention relates to PE lubricant, PE wax or n-butyl ester, commercially available, PE wax can be produced by Foshan Yubang Chemical Co., Ltd., which is an environmentally-friendly and efficient plastic pigment dispersant with very strong pole. Sexual and long non-polar carbon chain branches. It can quickly wet all kinds of pigments, and promote the pigment to be refined, pulverized and dispersed. With high fluidity and smoothness, adding appropriate amount of PE wax to the color matching powder can achieve high smoothness and dispersion effect by high-speed stirring or sieving, thereby improving pigment hiding power and reducing cost. The color quality is stable.
  • the present invention a PE modifier or an elastomer, is commercially available, and a PE modifier or elastomer produced by Zhejiang Pan Asia Elastomer Co., Ltd. can be used.
  • the PE synthesizing agent can be a nano-synthesis agent, which is commercially available, and can be used as a nano-synthesis agent produced by Sichuan Yuansen Industrial Development Co., Ltd.

Abstract

An audio and video signal transmission conducting wire comprises an inner conductor (4), and a polyethylene insulation layer (1), a composite shielding layer (2), and a polyethylene outer sheath layer (3) that are sequentially coated from inside to outside on the inner conductor, wherein the polyethylene insulation layer, the composite shielding layer, and the polyethylene outer sheath layer are formed by injection molding once through a multilayer coextrusion production process. The composite shielding layer is formed by mixing the following raw materials in parts by weight: 70-80 parts of polyethylene resin, 10-20 parts of polyethylene flexibilizer, 20-40 parts of metallic coating graphite powder, 2-5 parts of stabilizing agent having an acid absorbing effect, 2-3 parts of polyethylene lubricating agent, 1-3 parts of polyethylene modifying agent, and 10-30 parts of polyethylene synthesizing agent. The audio and video signal transmission conducting wire is nontoxic and tasteless, has an excellent conduction shielding effect, and has the advantages that the conducting wire is light in weight, corrosion-resistant and low in cost, saves copper materials, reduces power consumption, and requires simple production equipment.

Description

音频视频信号传输导电线 技术领域  Audio and video signal transmission conductive line
本发明涉及一种音频视频信号传输导电线。  The invention relates to an audio video signal transmission conductive line.
背景技术 Background technique
现有的音频、 视频信号传输导电线， 主要是内导体以及自内导体由内 向外依次包覆绝缘层、 屏蔽层和外护套层构成。 目前， 已经应用聚乙烯、 聚丙烯、 聚氯乙烯、 聚苯乙烯、 尼龙、 聚对苯二曱酸丁二醇酯等作为绝缘 层或与外界环境隔离的保护层， 屏蔽层多采用由金属丝编织网的屏蔽层， 金属丝编织网屏蔽层多由铜线拉丝再编织而成， 因此， 存在以下缺点： 1 )、 屏蔽效果与金属丝编织网的疏密有直接关系， 因为金属丝编织网屏蔽层为 网状， 屏蔽不均匀， 屏蔽效果不理想； 2 )、 铜材拉丝工艺不但需要大量的 铜材资源， 带动了铜材用量的快速增加和价格的迅速增长， 而且拉丝编织 工艺耗电巨大， 生产效率低， 生产成本高， 且增加信号线的自身重量； 3 )、 由于屏蔽效果不理想， 有效传输距离较短， 线铺设距离较远时中间必须设 置放大器， 不仅增加材料、 设备的费用， 也给安装架设增加难度。  The existing audio and video signal transmission conductive lines are mainly composed of an inner conductor and an inner insulating layer, an insulating layer, a shielding layer and an outer sheath layer. At present, polyethylene, polypropylene, polyvinyl chloride, polystyrene, nylon, polybutylene terephthalate, etc. have been used as an insulating layer or a protective layer isolated from the external environment. The shielding layer is mostly made of a wire. The shielding layer of the woven mesh and the wire mesh woven mesh are mostly woven by copper wire. Therefore, the following disadvantages exist: 1) The shielding effect is directly related to the density of the wire woven mesh, because the wire woven mesh The shielding layer is mesh, the shielding is uneven, and the shielding effect is not ideal. 2) The copper wire drawing process not only requires a large amount of copper resources, but also drives the rapid increase of copper usage and the rapid increase of price, and the wire drawing process consumes electricity. Huge, low production efficiency, high production cost, and increase the weight of the signal line; 3), because the shielding effect is not ideal, the effective transmission distance is short, and the amplifier must be set in the middle when the line is laid far away, which not only increases the materials and equipment. The cost also adds to the difficulty of installation.
目前， 已经有铜系、 镍系、 银系材料作为导电屏蔽材料的填料与 PVC 树脂结合复合使用在屏蔽层， PVC其单体成本低、 生产工艺成熟、 易加工 成型。 耐酸碱性、 耐磨性、 电绝缘性好， 不燃烧； 但是， 其热稳定性和耐 光性差， 140°C分解释放出氯化氢， PVC 因为有氯， 在加热的时候会幹放 出氯气， 和空气中的水发生反映， 产生氯化氢气体， 所以， PVC导电线生 产过程对工人有毒； 火灾发生时， PVC导电线燃烧产生的浓烟对人体造成 严重伤害。  At present, copper, nickel, and silver materials have been used as fillers for conductive shielding materials in combination with PVC resin in the shielding layer. PVC has low monomer cost, mature production process, and easy processing. Acid and alkali resistance, abrasion resistance, electrical insulation, no burning; however, its thermal stability and light resistance are poor, 140 ° C decomposition releases hydrogen chloride, PVC has chlorine, it will dry out when heated, and The water in the air is reflected and hydrogen chloride gas is generated. Therefore, the production process of PVC conductive wire is toxic to workers; when a fire occurs, the smoke generated by the burning of PVC conductive wire causes serious damage to the human body.
发明内容 Summary of the invention
本发明的目的是针对上述存在问题， 提供一种具有优异的导电屏蔽效 果， 无味、 无毒并具有重量轻、 耐腐蚀、 成本低、 节约铜材、 节省能耗、 生产设备较为简单的音频视频信号传输导电线。 本发明， 包括内导体以及自内导体由内向外的层包覆的 PE绝缘层、 复合屏蔽层和 PE外护套层， 复合屏蔽层由以下重量比原料混合制成： 聚 乙烯树脂 70〜80份； PE增韧剂 10〜20份； 镀金属石墨粉 20〜40份； 具有 吸酸作用的稳定剂 2〜5份； PE润滑剂 2~3份； PE改性剂或弹性体 1~3份； PE合成剂 10〜30份。 The object of the present invention is to provide an audio video with excellent conductive shielding effect, odorless, non-toxic, light weight, corrosion resistance, low cost, copper saving, energy saving, and simple production equipment. Signal transmission conductive lines. The invention comprises an inner conductor and a PE insulating layer, a composite shielding layer and a PE outer sheath layer which are coated from the inner and outer layers, and the composite shielding layer is made of the following weight ratio raw materials: polyethylene resin 70~80 Parts; PE toughening agent 10~20 parts; metallized graphite powder 20~40 parts; stabilizer with acid absorption 2~5 parts; PE lubricant 2~3 parts; PE modifier or elastomer 1~3 Parts; PE synthesis agent 10~30 parts.
本发明， 镀金属石墨粉可采用镀镍、 镀银导电石墨粉， 具有吸酸作用 的稳定剂可釆用三盐基硫酸铅、硬脂酸钙、硬脂酸钡、 氧化镁之中的一种； PE润滑剂可釆用 PE蜡或正丁酯； PE合成剂可采用纳力合成剂。  In the invention, the metallized graphite powder can be nickel-plated and silver-plated conductive graphite powder, and the stabilizer having the acid-absorbing function can use one of the three-base lead sulfate, calcium stearate, barium stearate and magnesium oxide. PE lubricant can be used with PE wax or n-butyl ester; PE synthetic agent can be used as a nano-synthetic agent.
本发明， 复合屏蔽层的重量比原料还可以含有电磁粉 10〜20份， 电磁 粉可采用纳米屏蔽电磁波导电隔热粉。  In the present invention, the weight of the composite shielding layer may further contain 10 to 20 parts of the electromagnetic powder, and the electromagnetic powder may be a nano-shielded electromagnetic wave conductive heat insulating powder.
本发明， 由内向外的层包覆的 PE绝缘层、 复合屏蔽层和 PE外护套层 采用多层共挤生产工艺一次注塑成型。  According to the present invention, the PE insulating layer, the composite shielding layer and the PE outer sheath layer which are covered by the inner and outer layers are injection-molded by a multi-layer co-extrusion production process.
本发明， 具有如下优点：  The invention has the following advantages:
1 )、 使用导电屏蔽复合材料制得的音频、 视频信号传输导电线具有优 异的屏蔽效果， 无味、 无毒并具有重量轻、 耐腐蚀、 成本低、 节约铜材、 节省能耗、 生产设备较为简单等优点；  1), audio and video signal transmission conductive lines made of conductive shielding composite materials have excellent shielding effect, odorless, non-toxic and light weight, corrosion resistance, low cost, copper saving, energy saving, production equipment Simple and other advantages;
2 )、 通过合理的配方调整及音频、 视频信号传输导电线设计， 可方便 调节其屏蔽性能， 便于形成系列化产品；  2), through reasonable formula adjustment and audio and video signal transmission conductive line design, it can easily adjust its shielding performance, and facilitate the formation of serialized products;
3 )、 采用导电屏蔽复合材料作为屏蔽层的音频、 视频信号传输导电线 比以铜丝编织网作为屏蔽层的音频、 视频信号传输导电线成本下降 40%以 上；  3), the audio and video signal transmission conductive lines using the conductive shielding composite material as the shielding layer are more than 40% lower than the audio and video signal transmission conductive lines using the copper wire woven mesh as the shielding layer;
4 )、 在生产工艺上省却屏蔽层铜线拉丝及编织工序， 实现每千米音频 视频信号线耗电量降低 40%以上。  4) Eliminate the wire drawing and weaving process of the shield copper wire in the production process, and reduce the power consumption of audio and video signal lines per kilometer by more than 40%.
本发明， 具有优异的导电屏蔽效果， 无味、 无毒并具有重量轻、 耐腐 蚀、 成本低、 节约铜材、 节省能耗、 生产设备较为简单的优点。  The invention has the advantages of excellent conductive shielding effect, odorless, non-toxic and light weight, corrosion resistance, low cost, copper saving, energy saving and simple production equipment.
下面实施例结合附图对本发明作进一步的说明。  The following embodiments further illustrate the present invention in conjunction with the drawings.
附图说明 图 1是本发明的一个实施例的结构示意图。 DRAWINGS BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of an embodiment of the present invention.
图中， 1、 PE绝缘层； 2、 复合屏蔽层； 3、 PE外护套层； 4、 内导体。 具体实施方式  In the figure, 1, PE insulation layer; 2, composite shielding layer; 3, PE outer sheath layer; 4, inner conductor. detailed description
实施例： 一种音频视频信号传输导电线， 包括由内导体 4以及自内导 体由内向外的层包覆的 PE绝缘层 1、 复合屏蔽层 2和 PE外护套层 3， 复 合屏蔽层由以下重量比原料混合制成： 聚乙烯树脂 75kg; PE增韧剂 15kg; 镀镍、镀银导电石墨粉 30kg; 纳米屏蔽电磁波导电隔热粉 15kg; 三盐基硫 酸铅 3kg; PE蜡 2.5kg; PE改性剂 2kg; 纳力合成剂 20kg; 由内导体 4以 及自内导体由内向外的层包覆的 PE绝缘层 1、 复合屏蔽层 2和 PE外护套 层 3釆用多层共挤生产工艺一次注塑成型。  Embodiments: An audio and video signal transmission conductive line comprising a PE insulating layer 1, a composite shielding layer 2 and a PE outer sheath layer 3 covered by an inner conductor 4 and a layer from the inner and outer conductors, the composite shielding layer is composed of The following weight ratio is mixed with raw materials: 75kg of polyethylene resin; 15kg of PE toughening agent; 30kg of nickel-plated and silver-plated conductive graphite powder; 15kg of nano-shielded electromagnetic wave conductive heat-insulating powder; 3kg of lead-based lead sulfate; 2.5kg of PE wax; PE modifier 2kg; nano-compositing agent 20kg; PE insulation layer 1, composite shielding layer 2 and PE outer sheath layer 3 covered by inner conductor 4 and inner and outer layers from inner conductor The production process is injection molded.
本发明， 聚乙烯， 市售， 简称 PE, 是乙烯经聚合制得的一种热塑性树 脂。 无味、 无毒， 手感似蜡， 具有优良的耐低温性能， 化学稳定性好， 能 耐大多数酸碱的侵蚀， 常温下不溶于一般溶剂， PE耐低温， 最低使用温度 -70 ~ -100°C , 吸水性低， 电绝缘性能优良。 本发明可采用 LDPE: 即低密 度聚乙烯、 高压聚乙烯， 或者， CPE: 即改性聚乙烯， 当然， 也可采用其 他种类的聚乙烯树脂。  The present invention, polyethylene, commercially available, abbreviated as PE, is a thermoplastic resin obtained by polymerizing ethylene. Odorless, non-toxic, feels like wax, has excellent low temperature resistance, good chemical stability, can withstand most acid and alkali corrosion, insoluble in common solvents at normal temperature, PE low temperature resistance, minimum use temperature -70 ~ -100 °C , low water absorption and excellent electrical insulation properties. The present invention may employ LDPE: low density polyethylene, high pressure polyethylene, or CPE: modified polyethylene, and of course, other types of polyethylene resins may be used.
本发明， PE增韧剂， 市售， 也称增塑剂， 可采用深圳市嘉鑫豪塑胶制 品有限公司生产的 PE增韧剂、 增强 PE增韧剂或环保 PE增韧剂。  The invention relates to a PE toughening agent, which is also commercially available as a plasticizer. The PE toughening agent, the reinforced PE toughening agent or the environmentally friendly PE toughening agent produced by Shenzhen Jiaxinhao Plastic Products Co., Ltd. can be used.
本发明， 镀镍、 镀银导电石墨粉， 市售， 可采用西安眉坞化工纸业有 限公司生产的产品， 镀镍、 镀银导电石墨粉是电磁屏蔽与吸收材料用导电 石墨粉填料， 是通过电镀技术在石墨粉表面覆盖镍和银， 使其具有良好的 导磁导电综合功能， 该导电填料表面银含量达到 73 %以上， 粒径最小的 7μιη, 最大的 100μιη。  The invention discloses nickel-plated and silver-plated conductive graphite powder, which is commercially available, and can be produced by Xi'an Meiwu Chemical Paper Co., Ltd., nickel-plated and silver-plated conductive graphite powder is conductive graphite powder filler for electromagnetic shielding and absorbing materials, The surface of the graphite powder is covered with nickel and silver by electroplating technology, so that it has a good magnetic conductive and comprehensive function. The surface of the conductive filler has a silver content of 73% or more, a minimum particle size of 7 μm, and a maximum of 100 μm.
本发明， 纳米屏蔽电磁波导电隔热粉， 市售， 可采用合肥翔飞化工科 技有限公司生产的产品， 该电磁波导电隔热粉具有耐高温、 耐腐蚀、 分散 性好等特点。 具有优良的电学和光学性质。 利用其良好的导电性， 作为抗 静电剂广泛用在涂料、 化纤、 高分子膜等领域， 在耐活性、 热塑性、 耐磨 性、 分散性、 安全性、 抗静电、 隔热性、 屏蔽电磁波等方面明显优于其他 抗静电材料， 如石墨、 表面活性剂、 金属粉等。 The invention relates to a nano-shielded electromagnetic wave conductive heat-insulating powder, which is commercially available, and can be produced by Hefei Xiangfei Chemical Technology Co., Ltd. The electromagnetic wave conductive heat-insulating powder has the characteristics of high temperature resistance, corrosion resistance and good dispersion. Has excellent electrical and optical properties. Using its good electrical conductivity, it is widely used as an antistatic agent in the fields of coatings, chemical fibers, polymer films, etc., and is resistant to activity, thermoplasticity, and abrasion resistance. Sex, dispersibility, safety, antistatic, thermal insulation, shielding electromagnetic waves, etc. are obviously superior to other antistatic materials, such as graphite, surfactants, metal powder and so on.
本发明， PE受热时或在硫化（非过氧化物硫化体系）时将脱出氯化氢， 因此在配方中要使用具有吸酸作用的稳定剂， 具有吸酸作用的稳定剂， 市 售， 可采用三盐基硫酸铅、 硬脂酸钙、 硬脂酸钡、 氧化镁中的一种， 三盐 基硫酸铅可采用济南嘉裕化工有限公司生产的产品。  In the invention, the PE will be dehydrogenated when heated or in the vulcanization (non-peroxide vulcanization system), so a stabilizer having an acid absorption effect and a stabilizer having an acid absorption effect are used in the formulation, and commercially available, three can be used. One of the base of lead sulfate, calcium stearate, barium stearate, and magnesium oxide, and the lead salt of the three salts may be produced by Jinan Jiayu Chemical Co., Ltd.
本发明， PE润滑剂釆用 PE蜡或正丁酯， 市售， PE蜡可采用佛山市骐 邦化工有限公司生产的产品， PE蜡是一种环保高效塑胶颜料分散剂，具有 非常强的极性和长的非极性碳链支链。 能快速地湿润各类颜料， 促使颜料 被细化、 粉碎、 分散。 具有高度的流动性和爽滑性， 在配色色粉中添加适 量 PE蜡高速搅拌或过筛即可使色粉达到极佳之爽滑性和分散效果， 从而 提高颜料遮盖力， 减少成本， 确保颜色质量稳定。  The invention relates to PE lubricant, PE wax or n-butyl ester, commercially available, PE wax can be produced by Foshan Yubang Chemical Co., Ltd., which is an environmentally-friendly and efficient plastic pigment dispersant with very strong pole. Sexual and long non-polar carbon chain branches. It can quickly wet all kinds of pigments, and promote the pigment to be refined, pulverized and dispersed. With high fluidity and smoothness, adding appropriate amount of PE wax to the color matching powder can achieve high smoothness and dispersion effect by high-speed stirring or sieving, thereby improving pigment hiding power and reducing cost. The color quality is stable.
本发明， PE改性剂或弹性体， 市售， 可采用浙江泛亚弹性体有限公司 生产的 PE改性剂或弹性体。  The present invention, a PE modifier or an elastomer, is commercially available, and a PE modifier or elastomer produced by Zhejiang Pan Asia Elastomer Co., Ltd. can be used.
本发明， PE合成剂可采用纳力合成剂， 市售， 可采用四川远森实业发 展有限公司生产的纳力合成剂。  In the invention, the PE synthesizing agent can be a nano-synthesis agent, which is commercially available, and can be used as a nano-synthesis agent produced by Sichuan Yuansen Industrial Development Co., Ltd.

Claims

权 利 要 求 Rights request
1、 一种音频视频信号传输导电线， 其特征在于： 包括内导体（4 ) 以 及自内导体由内向外的层包覆的 PE绝缘层 （1 )、 复合屏蔽层 （2 )和 PE 外护套层（3 )， 所述复合屏蔽层由以下重量比原料混合制成： 聚乙烯树脂 70~80份； PE增韧剂 10~20份； 镀金属石墨粉 20〜40份； 具有吸酸作用的 稳定剂 2~5份； PE润滑剂 2〜3份； PE改性剂或弹性体 1〜3份； PE合成剂 10~30份。 1. An audio and video signal transmission conductive line, characterized by: including an inner conductor (4) and a PE insulation layer (1) covering the inner conductor from the inside to the outside, a composite shielding layer (2) and a PE outer sheath Cover layer (3), the composite shielding layer is made of the following raw materials by weight: 70 to 80 parts of polyethylene resin; 10 to 20 parts of PE toughening agent; 20 to 40 parts of metal-plated graphite powder; has acid absorption effect 2 to 5 parts of stabilizer; 2 to 3 parts of PE lubricant; 1 to 3 parts of PE modifier or elastomer; 10 to 30 parts of PE synthetic agent.
2、根据权利要求 1所述的音频视频信号传输导电线， 其特征在于： 所 述镀金属石墨粉为镀镍、 镀银导电石墨粉， 所述具有吸酸作用的稳定剂为 三盐基硫酸铅、 硬脂酸钙、 硬脂酸钡、 氧化镁之中的一种； 所述 PE润滑 剂为 PE蜡或正丁酯； 所述 PE合成剂为纳力合成剂。 2. The conductive wire for audio and video signal transmission according to claim 1, characterized in that: the metal-plated graphite powder is nickel-plated or silver-plated conductive graphite powder, and the stabilizer with acid-absorbing effect is tribasic sulfuric acid. One of lead, calcium stearate, barium stearate, and magnesium oxide; the PE lubricant is PE wax or n-butyl ester; the PE synthetic agent is a nanoforce synthetic agent.
3、根据权利要求 1所述的音频视频信号传输导电线， 其特征在于： 所 述复合屏蔽层的重量比原料还含有电磁粉 10~20份。 3. The conductive wire for audio and video signal transmission according to claim 1, characterized in that: the weight of the composite shielding layer is 10 to 20 parts of electromagnetic powder relative to the raw material.
4、根据权利要求 3所述的音频视频信号传输导电线， 其特征在于： 所 述电磁粉为纳米屏蔽电磁波导电隔热粉。 4. The conductive wire for audio and video signal transmission according to claim 3, characterized in that: the electromagnetic powder is nano-shielding electromagnetic wave conductive and heat-insulating powder.
5、根据权利要求 1、 2、 3或 4所述的音频视频信号传输导电线， 其特 征在于： 所述由内向外的层包覆的 PE绝缘层（ 1 )、 复合屏蔽层（2 )和 PE 外护套层 （3 )采用多层共挤生产工艺一次注塑成型。 5. The conductive wire for audio and video signal transmission according to claim 1, 2, 3 or 4, characterized in that: the PE insulation layer (1), the composite shielding layer (2) and the inner-to-outward layer covering The PE outer sheath layer (3) is injection molded in one step using a multi-layer co-extrusion production process.
PCT/CN2012/001727 2012-12-24 2012-12-26 Audio and video signal transmission conducting wire WO2014100915A1 (en)

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