WO2019136616A1 - Waterproof coiled material capable of shielding electromagnetic signal, and manufacturing method therefor - Google Patents

Waterproof coiled material capable of shielding electromagnetic signal, and manufacturing method therefor Download PDF

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Publication number
WO2019136616A1
WO2019136616A1 PCT/CN2018/072015 CN2018072015W WO2019136616A1 WO 2019136616 A1 WO2019136616 A1 WO 2019136616A1 CN 2018072015 W CN2018072015 W CN 2018072015W WO 2019136616 A1 WO2019136616 A1 WO 2019136616A1
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Prior art keywords
layer
parts
modified asphalt
coiled material
filler
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PCT/CN2018/072015
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French (fr)
Chinese (zh)
Inventor
李玉清
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海安科皓纺织有限公司
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Priority to PCT/CN2018/072015 priority Critical patent/WO2019136616A1/en
Publication of WO2019136616A1 publication Critical patent/WO2019136616A1/en

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    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments

Definitions

  • the invention relates to a waterproof coiled material, in particular to a waterproof coiled material for shielding electromagnetic signals and a preparation method thereof, and belongs to the field of waterproof materials.
  • Waterproof materials are the material basis for urban infrastructure construction, closely related to people's lives, and should have electromagnetic shielding function in the future.
  • the waterproofing membrane requires dense and seamless in engineering construction. If the waterproofing membrane has electromagnetic shielding function, it is used in buildings and is shielded from the outside. Electromagnetic radiation pollution prevents military and economic information from being stolen through wireless signals, ensuring national and economic security. Therefore, in order to solve the current technical problems, it is required to provide a waterproof coiled material that shields electromagnetic signals.
  • the prior art has the following defects: (1) the performance without electromagnetic shielding (2) the waterproof performance is not high enough (3) can not have better waterproof performance, and has better weather resistance.
  • the main object of the present invention is to provide a waterproof coil material for shielding electromagnetic signals and a preparation method thereof to overcome the deficiencies of the prior art.
  • An embodiment of the invention provides a waterproof coiled material for shielding electromagnetic signals, wherein the waterproofing membrane comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer.
  • the modified asphalt layer comprises the following components: a matrix asphalt, a softener, an SBS, a modifier, a conductive filler, a filler, and an antioxidant.
  • the component of the modified asphalt layer is, in parts by weight, 30 to 65 parts of matrix asphalt, 7 to 18 parts of softener, 15 to 27 parts of SBS, 6 to 35 parts of modifier, and electrically conductive. 6 to 33 parts of the filler, 9 to 16 parts of the filler, and 0.4 to 1.8 parts of the antioxidant.
  • the base layer is a long-fiber polyester tire; the thickness is 2.5 to 3.5 mm.
  • the modifier is one or a combination of two or more of ethylene propylene diene monomer, powdered styrene butadiene rubber, neoprene rubber, and butyl rubber.
  • the conductive filler is carbon black or graphite or carbon fiber coated with copper or nickel or chrome plating having a thickness of 0.2 to 0.5 ⁇ m;
  • the softener is one of aromatic hydrocarbon oil, mineral spirit oil and mineral oil. Or a combination of two or more; the filler is activated calcium carbonate or/and talc, the number of meshes is 900-1600 mesh; and the antioxidant is 2,6-di-tert-butyl-p-cresol.
  • Another aspect of the present invention provides a method for preparing the waterproofing membrane, which comprises the steps of preparing a conductive cloth, preparing a modified asphalt, preparing a prepreg oil, and processing the conductive cloth to obtain a finished product.
  • the preparation of the modified asphalt adding a softener to the matrix asphalt, heating to 145 ° C ⁇ 185 ° C; adding SBS, stirring; temperature is raised to 150 ° C ⁇ 170 ° C, adding modifier, stirring; Conductive filler, filler and antioxidant, stir; cool to 160 ⁇ 10 ° C, discharge.
  • the preparation of the prepreg oil mixing the oil-filled rubber and the matrix asphalt in a mass ratio of 1:1 to 1:2, and mixing at 170 to 190 ° C, 600 ⁇ 50 rpm for 1 to 2 hours to form a prepreg oil. .
  • the conductive cloth is treated: the prepreg oil is applied on both sides of the conductive cloth, the thickness of the prepreg oil on each side is 0.1-0.5 mm; the temperature of the heat treatment is 180-200 ° C; Finished product: the base is unfolded, and a layer of modified asphalt is coated on the base of the tire, and the coating thickness is 1 to 2.5 mm; above the modified asphalt layer, the treated conductive cloth is quickly attached; above the conductive cloth A layer of modified asphalt is applied, the coating thickness is 0.5-1.5 mm; the separation layer is covered on the modified asphalt layer; and the waterproof coil is formed by cooling and shaping.
  • An embodiment of the invention provides a waterproof coiled material for shielding electromagnetic signals, wherein the waterproofing membrane comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer.
  • the modified asphalt layer comprises the following components: a matrix asphalt, a softener, an SBS, a modifier, a conductive filler, a filler, and an antioxidant.
  • the components of the modified asphalt layer are, in parts by weight, 35 to 75 parts of matrix asphalt, 6 to 20 parts of softener, 10 to 25 parts of SBS, 5 to 25 parts of modifier, and conductive. 5 to 30 parts of the filler, 5 to 15 parts of the filler, and 0.3 to 1.5 parts of the antioxidant.
  • the base layer is a long-fiber polyester tire; the thickness is 1.5 to 2.5 mm.
  • the modifier is one or a combination of two or more of ethylene propylene diene monomer, powdered styrene butadiene rubber, neoprene rubber, and butyl rubber.
  • the conductive filler is carbon black or graphite or carbon fiber coated with copper or nickel or chrome plating having a thickness of 0.2 to 0.5 ⁇ m;
  • the softener is one of aromatic hydrocarbon oil, mineral spirit oil and mineral oil. Or a combination of two or more; the filler is activated calcium carbonate or/and talc, the number of meshes is 900-1600 mesh; and the antioxidant is 2,6-di-tert-butyl-p-cresol.
  • Another aspect of the present invention provides a method for preparing the waterproofing membrane, which comprises the steps of preparing a conductive cloth, preparing a modified asphalt, preparing a prepreg oil, and processing the conductive cloth to obtain a finished product.
  • the waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
  • the base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 1 mm.
  • the modified asphalt layer contains the following components by weight: 40 parts of matrix pitch, 2 parts of softener; 5 parts of SBS, 5 parts of modifier, 1 part of conductive filler, 5 parts of filler, antioxidant 0.2 Share
  • the modifier is powdered styrene butadiene rubber
  • the conductive filler is a conductive composite filler, and the surface of the carbon fiber is plated with a 0.2 ⁇ m thick copper plating layer;
  • the softener is mineral oil
  • the filler is activated calcium carbonate, and the number of mesh is 900-1600 mesh;
  • the activated calcium carbonate is produced by a dry process, and the organic acid surfactant is activated by a high-speed mixer (rotation speed > 500r/min), dried at 90-110 ° C for 20 ⁇ 5 minutes, and the active agent is used. About 0.8 to 2.0% of calcium carbonate;
  • the antioxidant is 2,6-di-tert-butyl-p-cresol
  • the conductive cloth is a nickel-plated conductive cloth.
  • the separation layer a PE film.
  • the polyester fiber cloth is used as a substrate, and one side is subjected to electroplating metal plating treatment; and a nickel-plated conductive cloth is obtained.
  • the oil-filled rubber and the matrix asphalt are mixed in a mass ratio of 1:1, and mixed at 180 ° C, 600 ⁇ 50 rpm for 1 to 2 hours to form a prepreg.
  • the conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnated oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.1 mm; and the temperature of the heat treatment is 180 °C.
  • the temperature is raised to 180 ° C, adding modifier,
  • the temperature was lowered to 160 ⁇ 10 ° C, and the modified asphalt was obtained.
  • a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 0.5 mm;
  • the conductive cloth is closely adhered to the modified modified asphalt layer
  • the waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
  • the waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
  • the base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
  • the modified asphalt layer contains the following components by weight: 50 parts of matrix pitch, 10 parts of softener; 8 parts of SBS, 9 parts of modifier, 10 parts of conductive filler, 11 parts of filler, antioxidant 0.4 Share
  • the modifier is neoprene
  • the conductive filler is a conductive composite filler, and the surface of the carbon fiber is plated with a 0.3 ⁇ m thick nickel plating layer;
  • the softener is an aromatic hydrocarbon oil
  • the filler is activated calcium carbonate, and the number of mesh is 900-1600 mesh;
  • the activated calcium carbonate is produced by a dry process, and the organic acid surfactant is activated by a high-speed mixer (rotation speed > 500r/min), dried at 90-110 ° C for 20 ⁇ 5 minutes, and the active agent is used. About 0.8 to 2.0% of calcium carbonate;
  • the antioxidant is 2,6-di-tert-butyl-p-cresol
  • the conductive cloth is a carbon-plated conductive cloth.
  • the separation layer a PE film.
  • the oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:1, and mixed at 190 ° C, 600 ⁇ 50 rpm for 2 hours to form a prepreg.
  • the conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnated oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.3 mm; and the temperature of the heat treatment is 190 ° C.
  • the temperature is raised to 170 ° C, adding modifier,
  • the temperature was lowered to 160 ⁇ 10 ° C, and the modified asphalt was obtained.
  • the tire base is unfolded, and a modified asphalt layer is coated on the base of the tire base, and the coating thickness is 2 mm;
  • a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1 mm;
  • the conductive cloth is closely adhered to the modified modified asphalt layer
  • the waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
  • the waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
  • the base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
  • the modified asphalt layer contains the following components by weight: 70 parts of matrix asphalt, 20 parts of softener; 25 parts of SBS, 18 parts of modifier, 25 parts of conductive filler, 15 parts of filler, antioxidant 0.6 Share
  • the modifier is a butyl rubber.
  • the conductive filler is a conductive composite filler, and the surface of the carbon black is plated with a chrome plating layer of 0.4 ⁇ m thick;
  • the softener is mineral oil
  • the filler is talc powder, and the mesh number is 900-1600 mesh;
  • the antioxidant is 2,6-di-tert-butyl-p-cresol
  • the conductive cloth is an aluminum foil fiber composite cloth.
  • the separation layer a PE film.
  • the polyester fiber cloth is used as the substrate, and the metal plating treatment is performed on one side; the aluminum foil fiber composite cloth is obtained;
  • the oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:2, and mixed at 200 ° C, 600 ⁇ 50 rpm for 2 hours to form a prepreg.
  • the conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnated oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.4 mm; and the temperature of the hot-packing treatment is 200 ° C.
  • stirring rate is 1600 ⁇ 50 rpm
  • the temperature is raised to 190 ° C, adding modifier,
  • the temperature was lowered to 160 ⁇ 10 ° C, and the modified asphalt was obtained.
  • the base is unfolded, and a modified asphalt layer is coated on the base of the tire, and the coating thickness is 2.5 mm;
  • a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1.5 mm;
  • the conductive cloth is closely adhered to the modified modified asphalt layer
  • the waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
  • the waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
  • the base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
  • the modified asphalt layer contains the following components by weight: 80 parts of matrix asphalt, 25 parts of softener; 35 parts of SBS, 25 parts of modifier, 35 parts of conductive filler, 20 parts of filler, antioxidant 1 Share
  • the modifier is ethylene propylene diene monomer
  • the conductive filler is a conductive composite filler, and the surface of the carbon black is plated with a 0.5 ⁇ m thick chrome plating layer;
  • the softener is mineral oil
  • the filler is talc powder, and the mesh number is 900-1600 mesh;
  • the antioxidant is 2,6-di-tert-butyl-p-cresol
  • the conductive cloth is an aluminum foil fiber composite cloth.
  • the separation layer a PE film.
  • the polyester fiber cloth is used as the substrate, and the metal plating treatment is performed on one side; the aluminum foil fiber composite cloth is obtained;
  • the oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:2, and mixed at 200 ° C, 600 ⁇ 50 rpm for 2 hours to form a prepreg.
  • the conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnation oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.5 mm; and the temperature of the heat treatment is 200 ° C.
  • the temperature is raised to 200 ° C, the modifier is added,
  • the temperature was lowered to 160 ⁇ 10 ° C, and the modified asphalt was obtained.
  • the base is unfolded, and a modified asphalt layer is coated on the base of the tire, and the coating thickness is 2.5 mm;
  • a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1.5 mm;
  • the conductive cloth is closely adhered to the modified modified asphalt layer
  • the waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
  • the present invention tests electromagnetic shielding performance in accordance with the US MIL-85328B standard.
  • the shielding effectiveness of the waterproofing membrane of the invention for the 20 kHz wave intensity is 76.4 to 90.8 dB; the shielding effectiveness for the 100 MHz wave strength is 75.7 to 96.8 dB; the shielding effectiveness for the 500 MHz wave intensity is 79.5 to 95.2 dB; shielding for the 2 GHz wave intensity
  • the performance is 79.4 ⁇ 98.9dB; the shielding effectiveness for 10GHz wave strength is 73.2 ⁇ 95.7dB.
  • the electromagnetic shielding performance test uses the microwave waveguide coaxial transmission line method to measure the shielding effectiveness (SET).
  • the measuring line is a 3 cm waveguide measuring line.
  • the operating frequency range is from 8.0 GHz to 13.2 GHz, and the electromagnetic wave is completely shielded, indicating that the shielding effect is good.
  • the invention tests the physical properties of the waterproofing membrane prepared in Examples 1-4, and tests according to the test method of GB/T18242-2008.
  • the waterproof membrane of the invention has heat resistance of 115-125 ° C, low temperature flexibility of -32 to -40 ° C, water impermeability: 30 min and 0.3 MPa impervious to water; and the tensile retention after heat aging is 94 to 98%, extending The rate retention rate is 90 to 95%, and the low temperature flexibility is -30 ° C without cracks.
  • the waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
  • the base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
  • the modified asphalt layer contains the following components by weight: 80 parts of matrix asphalt, 25 parts of softener; 35 parts of SBS, 25 parts of modifier, 35 parts of conductive filler, 20 parts of filler, antioxidant 1 Parts, 1.2 parts of wood wax, 0.8 parts of wood vinegar, 3.4 parts of myrcene, 5 parts of paraffin oil, 5.7 parts of N-phenyl- ⁇ -aniline;
  • the modifier is ethylene propylene diene monomer
  • the conductive filler is a conductive composite filler, and the surface of the carbon black is plated with a 0.5 ⁇ m thick chrome plating layer;
  • the softening agent is evening primrose oil; the relative density is 0.9210-0.9350, the insoluble impurity is ⁇ 0.05%, and the saponification value is 190mg/g-198mg/g;
  • the filler is magnesia chrome, and the mesh number is 1200 mesh;
  • the antioxidant is 2,6-di-tert-butyl-p-cresol
  • the wood wax a melting point of 48 ° C -52 ° C; oil content of 2%;
  • the myrcene has a specific gravity (20 ° C) of 0.790 to 0.805 and a refractive index (20 ° C) of 1.4670 to 1.4740;
  • the conductive cloth is an aluminum foil fiber composite cloth.
  • the separation layer a PE film.
  • the polyester fiber cloth is used as the substrate, and the metal plating treatment is performed on one side; the aluminum foil fiber composite cloth is obtained;
  • the oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:2, and mixed at 200 ° C, 600 ⁇ 50 rpm for 2 hours to form a prepreg.
  • the conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnation oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.5 mm; and the temperature of the heat treatment is 200 ° C.
  • the temperature is raised to 200 ° C, the modifier is added,
  • the base is unfolded, and a modified asphalt layer is coated on the base of the tire, and the coating thickness is 2.5 mm;
  • a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1.5 mm;
  • the conductive cloth is closely adhered to the modified modified asphalt layer
  • the waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
  • the shielding effectiveness of the waterproofing membrane of this embodiment on the 20 kHz wave intensity is 90.8 dB; the shielding effectiveness against the 100 MHz wave intensity is 96.9 dB; the shielding effectiveness against the 500 MHz wave intensity is 96.2 dB; the shielding effectiveness against the 2 GHz wave intensity It is 98.9dB; the shielding performance for 10GHz wave strength is 97.5dB.
  • the waterproof coil of the embodiment has heat resistance up to 130 ° C, low temperature flexibility up to -40 ° C, water impermeability: 30 min and 0.5 MPa impervious to water; the tensile retention after heat aging is 98%, and the elongation retention rate is 96. %, low temperature flexibility is -30 ° C without cracks.

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Abstract

A waterproof coiled material capable of shielding an electromagnetic signal, and a manufacturing method therefor. The waterproof coiled material comprises a base layer, a conductive fabric layer, a modified asphalt layer, and a separation layer. The modified asphalt layer comprises the following components: 30-65 parts of matrix asphalt, 7-18 parts of softener, 15-27 parts of SBS, 6-35 parts of modifier, 6-33 parts of conductive filler, 9-16 parts of filler, and 0.4-1.8 parts of antioxidant. The base layer is made of a long polyester fiber, and has a thickness of 2.5-3.5 mm. The electromagnetic shielding waterproof coiled material has excellent waterproof performance and electromagnetic shielding performance.

Description

一种屏蔽电磁信号的防水卷材及其制备方法Waterproof coil material for shielding electromagnetic signal and preparation method thereof 技术领域Technical field
本发明涉及一种防水卷材，尤其涉及一种屏蔽电磁信号的防水卷材及其制备方法，属于防水材料领域。The invention relates to a waterproof coiled material, in particular to a waterproof coiled material for shielding electromagnetic signals and a preparation method thereof, and belongs to the field of waterproof materials.
背景技术Background technique
众所周知，随着现代电磁技术的迅速发展和越来越多电子电器器件的应用，各种带有能量的不同频率的电磁波给人们的健康和生存环境带来了极大的干扰，同时在生活中构成了“电磁辐射污染”，医疗用器械、精密仪器容易被电磁波干扰、在军事、经济领域处理不当会造成极大破坏，因此电磁屏蔽问题变的日益重要。As we all know, with the rapid development of modern electromagnetic technology and the application of more and more electronic and electrical devices, various electromagnetic waves with different frequencies of energy bring great interference to people's health and living environment, and at the same time in life. It constitutes "electromagnetic radiation pollution". Medical instruments and precision instruments are easily interfered by electromagnetic waves, and improper handling in military and economic fields will cause great damage. Therefore, electromagnetic shielding problems have become increasingly important.
屏蔽电磁辐射污染使其限定在一定区域，已成为环保领域重要的项目之一，防水材料是城市基础设施建设的物质基础，与人们的生活息息相关，在未来应具有电磁屏蔽的功能。Shielding electromagnetic radiation pollution to a certain area has become one of the important projects in the field of environmental protection. Waterproof materials are the material basis for urban infrastructure construction, closely related to people's lives, and should have electromagnetic shielding function in the future.
目前，穿透和开口严重影响电磁屏蔽的效能，致使屏蔽效能大幅度降低，防水卷材在工程施工中要求致密、无缝隙，若防水卷材具有电磁屏蔽功能，用于建筑物，在屏蔽外界电磁辐射污染的同时防止军事、经济信息通过无线信号被窃取，保证国家、经济的安全性。因此，为解决目前技术问题需要提供一种屏蔽电磁信号的防水卷材。At present, the penetration and opening seriously affect the effectiveness of electromagnetic shielding, resulting in a significant reduction in shielding effectiveness. The waterproofing membrane requires dense and seamless in engineering construction. If the waterproofing membrane has electromagnetic shielding function, it is used in buildings and is shielded from the outside. Electromagnetic radiation pollution prevents military and economic information from being stolen through wireless signals, ensuring national and economic security. Therefore, in order to solve the current technical problems, it is required to provide a waterproof coiled material that shields electromagnetic signals.
现有技术存在以下缺陷：(1)不具有电磁屏蔽的效能(2)防水性能不够高(3)不能在具有较好的防水性能的同时，具有较好的耐候性。The prior art has the following defects: (1) the performance without electromagnetic shielding (2) the waterproof performance is not high enough (3) can not have better waterproof performance, and has better weather resistance.
发明内容Summary of the invention
本发明的主要目的在于提供一种屏蔽电磁信号的防水卷材及其制备方法，以克服现有技术的不足。The main object of the present invention is to provide a waterproof coil material for shielding electromagnetic signals and a preparation method thereof to overcome the deficiencies of the prior art.
本发明实施例一方面提供了一种屏蔽电磁信号的防水卷材，所述的防水卷材包括胎基层、导电布层、改性沥青层、隔离层。An embodiment of the invention provides a waterproof coiled material for shielding electromagnetic signals, wherein the waterproofing membrane comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer.
进一步的，所述改性沥青层包括以下组分：基质沥青、软化剂、SBS、改性剂、导电填料、填充料、抗氧剂。Further, the modified asphalt layer comprises the following components: a matrix asphalt, a softener, an SBS, a modifier, a conductive filler, a filler, and an antioxidant.
较为优选的，所述改性沥青层的组分，以重量份计，含量为：基质沥青30～65份、软化剂7～18份、SBS15～27份、改性剂6～35份、导电填料6～33份、填充料9～16份、抗氧剂0.4～1.8份。Preferably, the component of the modified asphalt layer is, in parts by weight, 30 to 65 parts of matrix asphalt, 7 to 18 parts of softener, 15 to 27 parts of SBS, 6 to 35 parts of modifier, and electrically conductive. 6 to 33 parts of the filler, 9 to 16 parts of the filler, and 0.4 to 1.8 parts of the antioxidant.
较为优选的，所述胎基层为长纤聚酯胎；厚度为2.5～3.5mm。More preferably, the base layer is a long-fiber polyester tire; the thickness is 2.5 to 3.5 mm.
较为优选的，所述的改性剂为三元乙丙橡胶、粉末丁苯橡胶、氯丁橡胶、丁基橡胶中的一种或两种以上的组合。More preferably, the modifier is one or a combination of two or more of ethylene propylene diene monomer, powdered styrene butadiene rubber, neoprene rubber, and butyl rubber.
较为优选的，所述的导电填料：为表面镀有0.2～0.5μm厚的铜或镍或铬镀层的炭黑或石墨或碳纤维；所述的软化剂为芳烃油、溶剂油、矿物机油中一种或两种以上的组合；所述填充料为活性碳酸钙或/和滑石粉，目数为900～1600目；所述抗氧剂为2,6-二叔丁基对甲酚。Preferably, the conductive filler is carbon black or graphite or carbon fiber coated with copper or nickel or chrome plating having a thickness of 0.2 to 0.5 μm; the softener is one of aromatic hydrocarbon oil, mineral spirit oil and mineral oil. Or a combination of two or more; the filler is activated calcium carbonate or/and talc, the number of meshes is 900-1600 mesh; and the antioxidant is 2,6-di-tert-butyl-p-cresol.
本发明另一方面提供了所述防水卷材的制备方法，所述制备方法包括制备导电布、制备改性沥青、制备预浸油、导电布处理、制得成品步骤。Another aspect of the present invention provides a method for preparing the waterproofing membrane, which comprises the steps of preparing a conductive cloth, preparing a modified asphalt, preparing a prepreg oil, and processing the conductive cloth to obtain a finished product.
优选的，所述的制备改性沥青：在基质沥青中加入软化剂，升温到145℃～185℃；加入SBS，搅拌；温度升高到150℃～170℃，加入改性剂，搅拌；加入导电填料、填充料和抗氧剂，搅拌；降温至160±10℃，出料。Preferably, the preparation of the modified asphalt: adding a softener to the matrix asphalt, heating to 145 ° C ~ 185 ° C; adding SBS, stirring; temperature is raised to 150 ° C ~ 170 ° C, adding modifier, stirring; Conductive filler, filler and antioxidant, stir; cool to 160 ± 10 ° C, discharge.
优选的，所述的制备预浸油：将充油橡胶和基质沥青按1:1～1:2的质量比例混合，在170～190℃，600±50rpm搅拌1～2h混合而成预浸油。Preferably, the preparation of the prepreg oil: mixing the oil-filled rubber and the matrix asphalt in a mass ratio of 1:1 to 1:2, and mixing at 170 to 190 ° C, 600 ± 50 rpm for 1 to 2 hours to form a prepreg oil. .
较为优选的，所述的导电布处理：将预浸油敷于导电布两侧，每侧预浸油厚度均为0.1～0.5mm；热敷处理的温度为180～200℃；所述的制得成品：将胎基展开，在胎基上方涂覆一层改性沥青层，涂覆厚度为1～2.5mm；在改性沥青层上方，迅速贴覆处理后的导电布；在导电布上方再涂覆一层改性沥青层，涂覆厚度为0.5～1.5mm；在改性沥青层上覆盖隔离层；经冷却、定型制成防水卷材。Preferably, the conductive cloth is treated: the prepreg oil is applied on both sides of the conductive cloth, the thickness of the prepreg oil on each side is 0.1-0.5 mm; the temperature of the heat treatment is 180-200 ° C; Finished product: the base is unfolded, and a layer of modified asphalt is coated on the base of the tire, and the coating thickness is 1 to 2.5 mm; above the modified asphalt layer, the treated conductive cloth is quickly attached; above the conductive cloth A layer of modified asphalt is applied, the coating thickness is 0.5-1.5 mm; the separation layer is covered on the modified asphalt layer; and the waterproof coil is formed by cooling and shaping.
具体实施方式Detailed ways
本发明实施例一方面提供了一种屏蔽电磁信号的防水卷材，所述的防水卷材包括胎基层、导电布层、改性沥青层、隔离层。An embodiment of the invention provides a waterproof coiled material for shielding electromagnetic signals, wherein the waterproofing membrane comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer.
进一步的，所述改性沥青层包括以下组分：基质沥青、软化剂、SBS、改性剂、导电填料、填充料、抗氧剂。Further, the modified asphalt layer comprises the following components: a matrix asphalt, a softener, an SBS, a modifier, a conductive filler, a filler, and an antioxidant.
较为优选的，所述改性沥青层的组分，以重量份计，含量为：基质沥青35～75份、软化剂6～20份、SBS10～25份、改性剂5～25份、导电填料5～30份、填充料5～15份、抗氧剂0.3～1.5份。More preferably, the components of the modified asphalt layer are, in parts by weight, 35 to 75 parts of matrix asphalt, 6 to 20 parts of softener, 10 to 25 parts of SBS, 5 to 25 parts of modifier, and conductive. 5 to 30 parts of the filler, 5 to 15 parts of the filler, and 0.3 to 1.5 parts of the antioxidant.
较为优选的，所述胎基层为长纤聚酯胎；厚度为1.5～2.5mm。More preferably, the base layer is a long-fiber polyester tire; the thickness is 1.5 to 2.5 mm.
较为优选的，所述的改性剂为三元乙丙橡胶、粉末丁苯橡胶、氯丁橡胶、丁基橡胶中的一种或两种以上的组合。More preferably, the modifier is one or a combination of two or more of ethylene propylene diene monomer, powdered styrene butadiene rubber, neoprene rubber, and butyl rubber.
较为优选的，所述的导电填料：为表面镀有0.2～0.5μm厚的铜或镍或铬镀层的炭黑或石墨或碳纤维；所述的软化剂为芳烃油、溶剂油、矿物机油中一种或两种以上的组合；所述填充料为活性碳酸钙或/和滑石粉，目数为900～1600目；所述抗氧剂为2,6-二叔丁基对甲酚。Preferably, the conductive filler is carbon black or graphite or carbon fiber coated with copper or nickel or chrome plating having a thickness of 0.2 to 0.5 μm; the softener is one of aromatic hydrocarbon oil, mineral spirit oil and mineral oil. Or a combination of two or more; the filler is activated calcium carbonate or/and talc, the number of meshes is 900-1600 mesh; and the antioxidant is 2,6-di-tert-butyl-p-cresol.
本发明另一方面提供了所述防水卷材的制备方法，所述制备方法包括制备导电布、制备改性沥青、制备预浸油、导电布处理、制得成品步骤。Another aspect of the present invention provides a method for preparing the waterproofing membrane, which comprises the steps of preparing a conductive cloth, preparing a modified asphalt, preparing a prepreg oil, and processing the conductive cloth to obtain a finished product.
以下将结合具体实施例对本发明进行进一步的说明，本实施例用于说明本发明，但不用来限制本发明的应用。The invention will be further illustrated by the following examples, which are intended to illustrate the invention but not to limit the application of the invention.
实施例1Example 1
一种屏蔽电磁信号的防水卷材Waterproof membrane material for shielding electromagnetic signals
(一)防水卷材的组成(1) The composition of the waterproof coil
所述防水卷材，由胎基层、导电布层和改性沥青层及隔离层组成；The waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
(1)所述胎基层为长纤聚酯胎；基重为250g/m 3，厚度为1mm (1) The base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 1 mm.
(2)所述改性沥青层含有以下重量份的组分：基质沥青40份，软化剂2份；SBS5份，改性剂5份，导电填料1份，填充料5份，抗氧剂0.2份；(2) The modified asphalt layer contains the following components by weight: 40 parts of matrix pitch, 2 parts of softener; 5 parts of SBS, 5 parts of modifier, 1 part of conductive filler, 5 parts of filler, antioxidant 0.2 Share
所述的改性剂为粉末丁苯橡胶；The modifier is powdered styrene butadiene rubber;
所述的导电填料为导电复合填料，是碳纤维表面镀有0.2μm厚的铜镀层；The conductive filler is a conductive composite filler, and the surface of the carbon fiber is plated with a 0.2 μm thick copper plating layer;
所述的软化剂为矿物机油；The softener is mineral oil;
所述填充料为活性碳酸钙，目数为900～1600目；The filler is activated calcium carbonate, and the number of mesh is 900-1600 mesh;
所述活性碳酸钙由干法工艺生产，将有机酸类表面活性剂与干燥的碳酸钙于高速搅拌机(转速＞500r/min)活化、90～110℃干燥20±5min混合而成，活性剂用量约为碳酸钙的0.8～2.0％；The activated calcium carbonate is produced by a dry process, and the organic acid surfactant is activated by a high-speed mixer (rotation speed > 500r/min), dried at 90-110 ° C for 20 ± 5 minutes, and the active agent is used. About 0.8 to 2.0% of calcium carbonate;
所述抗氧剂为2,6-二叔丁基对甲酚；The antioxidant is 2,6-di-tert-butyl-p-cresol;
(3)所述的导电布为镀镍导电布。(3) The conductive cloth is a nickel-plated conductive cloth.
(4)所述隔离层：为PE膜。(4) The separation layer: a PE film.
(二)防水卷材的制备方法(2) Preparation method of waterproof coiled material
所述防水卷材的制备方法：The preparation method of the waterproof coil:
(1)制备导电布(1) Preparation of conductive cloth
以聚酯纤维布为基材，单面进行电镀金属镀层处理；获得镀镍导电布。The polyester fiber cloth is used as a substrate, and one side is subjected to electroplating metal plating treatment; and a nickel-plated conductive cloth is obtained.
(2)制备预浸油(2) Preparation of prepreg oil
将充油橡胶和基质沥青按1:1的质量比例混合，在180℃，600±50rpm搅拌1～2h混合而成预浸油。The oil-filled rubber and the matrix asphalt are mixed in a mass ratio of 1:1, and mixed at 180 ° C, 600 ± 50 rpm for 1 to 2 hours to form a prepreg.
(3)导电布处理(3) Conductive cloth treatment
将步骤(1)制备的导电布进行预浸油热敷处理，预浸油敷于导电布两侧，每侧预浸油厚度均为0.1mm；热敷处理的温度为180℃。The conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnated oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.1 mm; and the temperature of the heat treatment is 180 °C.
(4)制备改性沥青(4) Preparation of modified asphalt
在基质沥青中加入软化剂，升温到140℃；Adding a softener to the matrix asphalt and heating to 140 ° C;
加入SBS，搅拌1.5h，搅拌速率为1600±50rpm；Add SBS, stir for 1.5h, stirring rate is 1600 ± 50rpm;
温度升高到180℃，加入改性剂，The temperature is raised to 180 ° C, adding modifier,
搅拌1h，搅拌速率为1600±50rpm；Stir for 1 h, the stirring rate is 1600 ± 50 rpm;
加入导电填料、填充料和抗氧剂，搅拌1h；搅拌速率为1600±50rpm；Add conductive filler, filler and antioxidant, stir for 1h; stirring rate is 1600 ± 50rpm;
降温至160±10℃，出料，制得改性沥青。The temperature was lowered to 160±10 ° C, and the modified asphalt was obtained.
(5)准备胎基和隔离层(5) Prepare the base and the insulation layer
选择好胎基和隔离层，备用；Choose the base and the insulation layer, and reserve;
(6)制得成品(6) Produce the finished product
将胎基展开，在胎基上方涂覆一层改性沥青层，涂覆厚度为1mm；Expanding the base, coating a layer of modified asphalt above the base, the coating thickness is 1mm;
在改性沥青层上方，迅速贴覆步骤(3)处理后的导电布；Above the modified asphalt layer, the conductive cloth after the step (3) is quickly applied;
在导电布上方再涂覆一层改性沥青层，涂覆厚度为0.5mm；a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 0.5 mm;
导电布与改性改性沥青层紧密粘合；The conductive cloth is closely adhered to the modified modified asphalt layer;
在改性沥青层上覆盖隔离层；Covering the barrier layer on the modified asphalt layer;
经冷却、定型制成具有电磁屏蔽功能的防水卷材。The waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
实施例2Example 2
一种屏蔽电磁信号的防水卷材Waterproof membrane material for shielding electromagnetic signals
(一)防水卷材的组成(1) The composition of the waterproof coil
所述防水卷材，由胎基层、导电布层和改性沥青层及隔离层组成；The waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
(1)所述胎基层为长纤聚酯胎；基重为250g/m 3，厚度为2mm (1) The base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
(2)所述改性沥青层含有以下重量份的组分：基质沥青50份，软化剂10份；SBS8份，改性剂9份，导电填料10份，填充料11份，抗氧剂0.4份；(2) The modified asphalt layer contains the following components by weight: 50 parts of matrix pitch, 10 parts of softener; 8 parts of SBS, 9 parts of modifier, 10 parts of conductive filler, 11 parts of filler, antioxidant 0.4 Share
所述的改性剂为氯丁橡胶；The modifier is neoprene;
所述的导电填料为导电复合填料，是碳纤维表面镀有0.3μm厚的镍镀层；The conductive filler is a conductive composite filler, and the surface of the carbon fiber is plated with a 0.3 μm thick nickel plating layer;
所述的软化剂为芳烃油；The softener is an aromatic hydrocarbon oil;
所述填充料为活性碳酸钙，目数为900～1600目；The filler is activated calcium carbonate, and the number of mesh is 900-1600 mesh;
所述活性碳酸钙由干法工艺生产，将有机酸类表面活性剂与干燥的碳酸钙于高速搅拌机(转速＞500r/min)活化、90～110℃干燥20±5min混合而成，活性剂用量约为碳酸钙的0.8～2.0％；The activated calcium carbonate is produced by a dry process, and the organic acid surfactant is activated by a high-speed mixer (rotation speed > 500r/min), dried at 90-110 ° C for 20 ± 5 minutes, and the active agent is used. About 0.8 to 2.0% of calcium carbonate;
所述抗氧剂为2,6-二叔丁基对甲酚；The antioxidant is 2,6-di-tert-butyl-p-cresol;
(3)所述的导电布为镀碳导电布。(3) The conductive cloth is a carbon-plated conductive cloth.
(4)所述隔离层：为PE膜。(4) The separation layer: a PE film.
(二)防水卷材的制备方法(2) Preparation method of waterproof coiled material
所述防水卷材的制备方法：The preparation method of the waterproof coil:
(1)制备导电布(1) Preparation of conductive cloth
以聚酯纤维布为基材，单面进行电镀金属镀层处理；获得镀碳导电布；Using a polyester fiber cloth as a substrate, one side is subjected to electroplating metal plating treatment; and a carbon-plated conductive cloth is obtained;
(2)制备预浸油(2) Preparation of prepreg oil
将充油橡胶和基质沥青按1:1的质量比例混合，在190℃，600±50rpm搅拌2h混合而成预浸油。The oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:1, and mixed at 190 ° C, 600 ± 50 rpm for 2 hours to form a prepreg.
(3)导电布处理(3) Conductive cloth treatment
将步骤(1)制备的导电布进行预浸油热敷处理，预浸油敷于导电布两侧，每侧预浸油厚度均为0.3mm；热敷处理的温度为190℃。The conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnated oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.3 mm; and the temperature of the heat treatment is 190 ° C.
(4)制备改性沥青(4) Preparation of modified asphalt
在基质沥青中加入软化剂，升温到150℃；Adding a softener to the matrix asphalt and heating to 150 ° C;
加入SBS，搅拌1h，搅拌速率为1600±50rpm；Add SBS, stir for 1 h, the stirring rate is 1600 ± 50 rpm;
温度升高到170℃，加入改性剂，The temperature is raised to 170 ° C, adding modifier,
搅拌1h，搅拌速率为1600±50rpm；Stir for 1 h, the stirring rate is 1600 ± 50 rpm;
加入导电填料、填充料和抗氧剂，搅拌1.5h；搅拌速率为1600±50rpm；Add conductive filler, filler and antioxidant, stir for 1.5h; stirring rate is 1600 ± 50rpm;
降温至160±10℃，出料，制得改性沥青。The temperature was lowered to 160±10 ° C, and the modified asphalt was obtained.
(5)准备胎基和隔离层(5) Prepare the base and the insulation layer
选择好胎基和隔离层，备用；Choose the base and the insulation layer, and reserve;
(6)制得成品(6) Produce the finished product
将胎基展开，在胎基上方涂覆一层改性沥青层，涂覆厚度为2mm；The tire base is unfolded, and a modified asphalt layer is coated on the base of the tire base, and the coating thickness is 2 mm;
在改性沥青层上方，迅速贴覆步骤(3)处理后的导电布；Above the modified asphalt layer, the conductive cloth after the step (3) is quickly applied;
在导电布上方再涂覆一层改性沥青层，涂覆厚度为1mm；a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1 mm;
导电布与改性改性沥青层紧密粘合；The conductive cloth is closely adhered to the modified modified asphalt layer;
在改性沥青层上覆盖隔离层；Covering the barrier layer on the modified asphalt layer;
经冷却、定型制成具有电磁屏蔽功能的防水卷材。The waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
实施例3Example 3
一种屏蔽电磁信号的防水卷材Waterproof membrane material for shielding electromagnetic signals
(一)防水卷材的组成(1) The composition of the waterproof coil
所述防水卷材，由胎基层、导电布层和改性沥青层及隔离层组成；The waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
(1)所述胎基层为长纤聚酯胎；基重为250g/m 3，厚度为2mm (1) The base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
(2)所述改性沥青层含有以下重量份的组分：基质沥青70份，软化剂20份；SBS25份，改性剂18份，导电填料25份，填充料15份，抗氧剂0.6份；(2) The modified asphalt layer contains the following components by weight: 70 parts of matrix asphalt, 20 parts of softener; 25 parts of SBS, 18 parts of modifier, 25 parts of conductive filler, 15 parts of filler, antioxidant 0.6 Share
所述的改性剂为丁基橡胶。The modifier is a butyl rubber.
所述的导电填料为导电复合填料，是炭黑表面镀有0.4μm厚的铬镀层；The conductive filler is a conductive composite filler, and the surface of the carbon black is plated with a chrome plating layer of 0.4 μm thick;
所述的软化剂为矿物机油；The softener is mineral oil;
所述填充料为滑石粉，目数为900～1600目；The filler is talc powder, and the mesh number is 900-1600 mesh;
所述抗氧剂为2,6-二叔丁基对甲酚；The antioxidant is 2,6-di-tert-butyl-p-cresol;
(3)所述的导电布为铝箔纤维复合布。(3) The conductive cloth is an aluminum foil fiber composite cloth.
(4)所述隔离层：为PE膜。(4) The separation layer: a PE film.
(二)防水卷材的制备方法(2) Preparation method of waterproof coiled material
所述防水卷材的制备方法：The preparation method of the waterproof coil:
(1)制备导电布(1) Preparation of conductive cloth
以聚酯纤维布为基材，单面进行电镀金属镀层处理；获得铝箔纤维复合布；The polyester fiber cloth is used as the substrate, and the metal plating treatment is performed on one side; the aluminum foil fiber composite cloth is obtained;
(2)制备预浸油(2) Preparation of prepreg oil
将充油橡胶和基质沥青按1:2的质量比例混合，在200℃，600±50rpm搅拌2h混合而成预浸油。The oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:2, and mixed at 200 ° C, 600 ± 50 rpm for 2 hours to form a prepreg.
(3)导电布处理(3) Conductive cloth treatment
将步骤(1)制备的导电布进行预浸油热敷处理，预浸油敷于导电布两侧，每侧预浸油厚度均为0.4mm；热敷处理的温度为200℃。The conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnated oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.4 mm; and the temperature of the hot-packing treatment is 200 ° C.
(4)制备改性沥青(4) Preparation of modified asphalt
在基质沥青中加入软化剂，升温到160℃；Adding a softener to the matrix asphalt and heating to 160 ° C;
加入SBS，搅拌0.5h，搅拌速率为1600±50rpm；Adding SBS, stirring for 0.5 h, the stirring rate is 1600 ± 50 rpm;
温度升高到190℃，加入改性剂，The temperature is raised to 190 ° C, adding modifier,
搅拌1.5h，搅拌速率为1600±50rpm；Stir for 1.5 h, the stirring rate is 1600 ± 50 rpm;
加入导电填料、填充料和抗氧剂，搅拌1.5h；搅拌速率为1600±50rpm；Add conductive filler, filler and antioxidant, stir for 1.5h; stirring rate is 1600 ± 50rpm;
降温至160±10℃，出料，制得改性沥青。The temperature was lowered to 160±10 ° C, and the modified asphalt was obtained.
(5)准备胎基和隔离层(5) Prepare the base and the insulation layer
选择好胎基和隔离层，备用；Choose the base and the insulation layer, and reserve;
(6)制得成品(6) Produce the finished product
将胎基展开，在胎基上方涂覆一层改性沥青层，涂覆厚度为2.5mm；The base is unfolded, and a modified asphalt layer is coated on the base of the tire, and the coating thickness is 2.5 mm;
在改性沥青层上方，迅速贴覆步骤(3)处理后的导电布；Above the modified asphalt layer, the conductive cloth after the step (3) is quickly applied;
在导电布上方再涂覆一层改性沥青层，涂覆厚度为1.5mm；a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1.5 mm;
导电布与改性改性沥青层紧密粘合；The conductive cloth is closely adhered to the modified modified asphalt layer;
在改性沥青层上覆盖隔离层；Covering the barrier layer on the modified asphalt layer;
经冷却、定型制成具有电磁屏蔽功能的防水卷材。The waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
实施例4Example 4
一种屏蔽电磁信号的防水卷材Waterproof membrane material for shielding electromagnetic signals
(一)防水卷材的组成(1) The composition of the waterproof coil
所述防水卷材，由胎基层、导电布层和改性沥青层及隔离层组成；The waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
(1)所述胎基层为长纤聚酯胎；基重为250g/m 3，厚度为2mm (1) The base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
(2)所述改性沥青层含有以下重量份的组分：基质沥青80份，软化剂25份；SBS35份，改性剂25份，导电填料35份，填充料20份，抗氧剂1份；(2) The modified asphalt layer contains the following components by weight: 80 parts of matrix asphalt, 25 parts of softener; 35 parts of SBS, 25 parts of modifier, 35 parts of conductive filler, 20 parts of filler, antioxidant 1 Share
所述的改性剂为三元乙丙橡胶；The modifier is ethylene propylene diene monomer;
所述的导电填料为导电复合填料，是炭黑表面镀有0.5μm厚的铬镀层；The conductive filler is a conductive composite filler, and the surface of the carbon black is plated with a 0.5 μm thick chrome plating layer;
所述的软化剂为矿物机油；The softener is mineral oil;
所述填充料为滑石粉，目数为900～1600目；The filler is talc powder, and the mesh number is 900-1600 mesh;
所述抗氧剂为2,6-二叔丁基对甲酚；The antioxidant is 2,6-di-tert-butyl-p-cresol;
(3)所述的导电布为铝箔纤维复合布。(3) The conductive cloth is an aluminum foil fiber composite cloth.
(4)所述隔离层：为PE膜。(4) The separation layer: a PE film.
(二)防水卷材的制备方法(2) Preparation method of waterproof coiled material
所述防水卷材的制备方法：The preparation method of the waterproof coil:
(1)制备导电布(1) Preparation of conductive cloth
以聚酯纤维布为基材，单面进行电镀金属镀层处理；获得铝箔纤维复合布；The polyester fiber cloth is used as the substrate, and the metal plating treatment is performed on one side; the aluminum foil fiber composite cloth is obtained;
(2)制备预浸油(2) Preparation of prepreg oil
将充油橡胶和基质沥青按1:2的质量比例混合，在200℃，600±50rpm搅拌2h混合而成预浸油。The oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:2, and mixed at 200 ° C, 600 ± 50 rpm for 2 hours to form a prepreg.
(3)导电布处理(3) Conductive cloth treatment
将步骤(1)制备的导电布进行预浸油热敷处理，预浸油敷于导电布两侧，每侧预浸油厚度均为0.5mm；热敷处理的温度为200℃。The conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnation oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.5 mm; and the temperature of the heat treatment is 200 ° C.
(4)制备改性沥青(4) Preparation of modified asphalt
在基质沥青中加入软化剂，升温到180℃；Adding a softener to the matrix asphalt and heating to 180 ° C;
加入SBS，搅拌1.5h，搅拌速率为1600±50rpm；Add SBS, stir for 1.5h, stirring rate is 1600 ± 50rpm;
温度升高到200℃，加入改性剂，The temperature is raised to 200 ° C, the modifier is added,
搅拌2h，搅拌速率为1600±50rpm；Stir for 2h, the stirring rate is 1600 ± 50rpm;
加入导电填料、填充料和抗氧剂，搅拌1.5h；搅拌速率为1600±50rpm；Add conductive filler, filler and antioxidant, stir for 1.5h; stirring rate is 1600 ± 50rpm;
降温至160±10℃，出料，制得改性沥青。The temperature was lowered to 160±10 ° C, and the modified asphalt was obtained.
(5)准备胎基和隔离层(5) Prepare the base and the insulation layer
选择好胎基和隔离层，备用；Choose the base and the insulation layer, and reserve;
(6)制得成品(6) Produce the finished product
将胎基展开，在胎基上方涂覆一层改性沥青层，涂覆厚度为2.5mm；The base is unfolded, and a modified asphalt layer is coated on the base of the tire, and the coating thickness is 2.5 mm;
在改性沥青层上方，迅速贴覆步骤(3)处理后的导电布；Above the modified asphalt layer, the conductive cloth after the step (3) is quickly applied;
在导电布上方再涂覆一层改性沥青层，涂覆厚度为1.5mm；a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1.5 mm;
导电布与改性改性沥青层紧密粘合；The conductive cloth is closely adhered to the modified modified asphalt layer;
在改性沥青层上覆盖隔离层；Covering the barrier layer on the modified asphalt layer;
经冷却、定型制成具有电磁屏蔽功能的防水卷材。The waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
测试实验：Test experiment:
本发明参照美国MIL-85328B标准进行电磁屏蔽性能的测试。The present invention tests electromagnetic shielding performance in accordance with the US MIL-85328B standard.
本发明防水卷材对20kHz波强的屏蔽效能为76.4～90.8dB；对100MHz波强的屏蔽效能为75.7～96.8dB；对500MHz波强的屏蔽效能为79.5～95.2dB；对2GHz波强的屏蔽效能为79.4～98.9dB；对10GHz波强的屏蔽效能为73.2～95.7dB。The shielding effectiveness of the waterproofing membrane of the invention for the 20 kHz wave intensity is 76.4 to 90.8 dB; the shielding effectiveness for the 100 MHz wave strength is 75.7 to 96.8 dB; the shielding effectiveness for the 500 MHz wave intensity is 79.5 to 95.2 dB; shielding for the 2 GHz wave intensity The performance is 79.4 ~ 98.9dB; the shielding effectiveness for 10GHz wave strength is 73.2 ~ 95.7dB.
电磁屏蔽性能测试采用微波波导同轴传输线法来测定屏蔽效能(SET)，测量线是3cm波导测量线，工作频率范围在8.0GHz～13.2GHz，电磁波被完全屏蔽掉，说明屏蔽效果很好。The electromagnetic shielding performance test uses the microwave waveguide coaxial transmission line method to measure the shielding effectiveness (SET). The measuring line is a 3 cm waveguide measuring line. The operating frequency range is from 8.0 GHz to 13.2 GHz, and the electromagnetic wave is completely shielded, indicating that the shielding effect is good.
本发明对实施例1-4制得的防水卷材进行物理性能测试，按GB/T18242-2008的测试方法进行检测。The invention tests the physical properties of the waterproofing membrane prepared in Examples 1-4, and tests according to the test method of GB/T18242-2008.
本发明防水卷材耐热性可达115～125℃，低温柔性可达-32～-40℃，不透水性：30min0.3MPa不透水；热老化后的拉力保持率为94～98％，延伸率保持率为90～95％，低温柔性为-30℃无裂缝。The waterproof membrane of the invention has heat resistance of 115-125 ° C, low temperature flexibility of -32 to -40 ° C, water impermeability: 30 min and 0.3 MPa impervious to water; and the tensile retention after heat aging is 94 to 98%, extending The rate retention rate is 90 to 95%, and the low temperature flexibility is -30 ° C without cracks.
实施例5Example 5
一种屏蔽电磁信号的防水卷材Waterproof membrane material for shielding electromagnetic signals
(一)防水卷材的组成(1) The composition of the waterproof coil
所述防水卷材，由胎基层、导电布层和改性沥青层及隔离层组成；The waterproof coiled material comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer;
(1)所述胎基层为长纤聚酯胎；基重为250g/m 3，厚度为2mm (1) The base layer of the tire is a long-fiber polyester tire; the basis weight is 250 g/m 3 and the thickness is 2 mm.
(2)所述改性沥青层含有以下重量份的组分：基质沥青80份，软化剂25份；SBS35份，改性剂25份，导电填料35份，填充料20份，抗氧剂1份，木蜡1.2份，木醋液0.8份，月桂烯3.4份，石蜡油5份，N-苯基-α-苯胺5.7份；(2) The modified asphalt layer contains the following components by weight: 80 parts of matrix asphalt, 25 parts of softener; 35 parts of SBS, 25 parts of modifier, 35 parts of conductive filler, 20 parts of filler, antioxidant 1 Parts, 1.2 parts of wood wax, 0.8 parts of wood vinegar, 3.4 parts of myrcene, 5 parts of paraffin oil, 5.7 parts of N-phenyl-α-aniline;
所述的改性剂为三元乙丙橡胶；The modifier is ethylene propylene diene monomer;
所述的导电填料为导电复合填料，是炭黑表面镀有0.5μm厚的铬镀层；The conductive filler is a conductive composite filler, and the surface of the carbon black is plated with a 0.5 μm thick chrome plating layer;
所述的软化剂为月见草油；其相对密度为0.9210～0.9350，不溶性杂质≤0.05％，皂化值为190mg/g～198mg/g；The softening agent is evening primrose oil; the relative density is 0.9210-0.9350, the insoluble impurity is ≤0.05%, and the saponification value is 190mg/g-198mg/g;
所述填充料为镁铬砂，目数为1200目；The filler is magnesia chrome, and the mesh number is 1200 mesh;
所述抗氧剂为2,6-二叔丁基对甲酚；The antioxidant is 2,6-di-tert-butyl-p-cresol;
所述木蜡：熔点为48℃-52℃；含油量为2％；The wood wax: a melting point of 48 ° C -52 ° C; oil content of 2%;
所述月桂烯：比重(20℃)为0.790～0.805，折光率(20℃)为1.4670～1.4740；The myrcene has a specific gravity (20 ° C) of 0.790 to 0.805 and a refractive index (20 ° C) of 1.4670 to 1.4740;
上述百分数均为质量百分数。The above percentages are all mass percentages.
(3)所述的导电布为铝箔纤维复合布。(3) The conductive cloth is an aluminum foil fiber composite cloth.
(4)所述隔离层：为PE膜。(4) The separation layer: a PE film.
(二)防水卷材的制备方法(2) Preparation method of waterproof coiled material
所述防水卷材的制备方法：The preparation method of the waterproof coil:
(1)制备导电布(1) Preparation of conductive cloth
以聚酯纤维布为基材，单面进行电镀金属镀层处理；获得铝箔纤维复合布；The polyester fiber cloth is used as the substrate, and the metal plating treatment is performed on one side; the aluminum foil fiber composite cloth is obtained;
(2)制备预浸油(2) Preparation of prepreg oil
将充油橡胶和基质沥青按1:2的质量比例混合，在200℃，600±50rpm搅拌2h混合而成预浸油。The oil-filled rubber and the matrix asphalt were mixed at a mass ratio of 1:2, and mixed at 200 ° C, 600 ± 50 rpm for 2 hours to form a prepreg.
(3)导电布处理(3) Conductive cloth treatment
将步骤(1)制备的导电布进行预浸油热敷处理，预浸油敷于导电布两侧，每侧预浸油厚度均为0.5mm；热敷处理的温度为200℃。The conductive cloth prepared in the step (1) is subjected to pre-impregnation oil heat treatment, and the pre-impregnation oil is applied on both sides of the conductive cloth, the thickness of the pre-impregnated oil on each side is 0.5 mm; and the temperature of the heat treatment is 200 ° C.
(4)制备改性沥青(4) Preparation of modified asphalt
在基质沥青中加入软化剂，升温到180℃；Adding a softener to the matrix asphalt and heating to 180 ° C;
加入SBS，搅拌1.5h，搅拌速率为1600±50rpm；Add SBS, stir for 1.5h, stirring rate is 1600 ± 50rpm;
温度升高到200℃，加入改性剂，The temperature is raised to 200 ° C, the modifier is added,
搅拌2h，搅拌速率为1600±50rpm；Stir for 2h, the stirring rate is 1600 ± 50rpm;
加入导电填料、填充料和抗氧剂，搅拌1.5h；搅拌速率为1600±50rpm；Add conductive filler, filler and antioxidant, stir for 1.5h; stirring rate is 1600 ± 50rpm;
降温至160±10℃，加入木蜡、木醋液、月桂烯、石蜡油、N-苯基-α-苯胺；搅拌1.5h；搅拌速率为1600±50rpm；Cooling to 160 ± 10 ° C, adding wood wax, wood vinegar, myrcene, paraffin oil, N-phenyl-α-aniline; stirring for 1.5h; stirring rate of 1600 ± 50rpm;
出料，制得改性沥青。Discharged to produce modified asphalt.
(5)准备胎基和隔离层(5) Prepare the base and the insulation layer
选择好胎基和隔离层，备用；Choose the base and the insulation layer, and reserve;
(6)制得成品(6) Produce the finished product
将胎基展开，在胎基上方涂覆一层改性沥青层，涂覆厚度为2.5mm；The base is unfolded, and a modified asphalt layer is coated on the base of the tire, and the coating thickness is 2.5 mm;
在改性沥青层上方，迅速贴覆步骤(3)处理后的导电布；Above the modified asphalt layer, the conductive cloth after the step (3) is quickly applied;
在导电布上方再涂覆一层改性沥青层，涂覆厚度为1.5mm；a layer of modified asphalt is coated on the conductive cloth, and the coating thickness is 1.5 mm;
导电布与改性改性沥青层紧密粘合；The conductive cloth is closely adhered to the modified modified asphalt layer;
在改性沥青层上覆盖隔离层；Covering the barrier layer on the modified asphalt layer;
经冷却、定型制成具有电磁屏蔽功能的防水卷材。The waterproof coiled material with electromagnetic shielding function is formed by cooling and shaping.
经试验，本实施例的防水卷材对20kHz波强的屏蔽效能为90.8dB；对100MHz波强的屏蔽效能为96.9dB；对500MHz波强的屏蔽效能为96.2dB；对2GHz波强的屏蔽效能为98.9dB；对10GHz波强的屏蔽效能为97.5dB。本实施例的防水卷材耐热性可达130℃，低温柔性可达-40℃，不透水性：30min0.5MPa不透水；热老化后的拉力保持率为98％，延伸率保持率为96％，低温柔性为-30℃无裂缝。After testing, the shielding effectiveness of the waterproofing membrane of this embodiment on the 20 kHz wave intensity is 90.8 dB; the shielding effectiveness against the 100 MHz wave intensity is 96.9 dB; the shielding effectiveness against the 500 MHz wave intensity is 96.2 dB; the shielding effectiveness against the 2 GHz wave intensity It is 98.9dB; the shielding performance for 10GHz wave strength is 97.5dB. The waterproof coil of the embodiment has heat resistance up to 130 ° C, low temperature flexibility up to -40 ° C, water impermeability: 30 min and 0.5 MPa impervious to water; the tensile retention after heat aging is 98%, and the elongation retention rate is 96. %, low temperature flexibility is -30 ° C without cracks.
以上仅为本发明实施例的较佳实施例而已，并不用以限制本发明实施例，凡在本发明实施例的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明实施例的保护范围之内。The above are only the preferred embodiments of the present invention, and are not intended to limit the embodiments of the present invention. Any modifications, equivalents, improvements, etc., which are included in the spirit and principles of the embodiments of the present invention, should be included. It is within the scope of protection of the embodiments of the present invention.

Claims (10)

  1. 一种屏蔽电磁信号的防水卷材，其特征在于：所述的防水卷材包括胎基层、导电布层、改性沥青层、隔离层。A waterproofing membrane for shielding electromagnetic signals, characterized in that: the waterproofing membrane comprises a base layer, a conductive cloth layer, a modified asphalt layer and a separation layer.
  2. 根据权利要求1所述的一种屏蔽电磁信号的防水卷材，其特征在于：所述改性沥青层包括以下组分：基质沥青、软化剂、SBS、改性剂、导电填料、填充料、抗氧剂。The waterproof coiled material for shielding electromagnetic signals according to claim 1, wherein the modified asphalt layer comprises the following components: matrix asphalt, softener, SBS, modifier, conductive filler, filler, Antioxidant.
  3. 根据权利要求1所述的一种屏蔽电磁信号的防水卷材，其特征在于：所述改性沥青层的组分，以重量份计，含量为：基质沥青30～65份、软化剂7～18份、SBS15～27份、改性剂6～35份、导电填料6～33份、填充料9～16份、抗氧剂0.4～1.8份。The waterproof coiled material for shielding electromagnetic signals according to claim 1, wherein the composition of the modified asphalt layer is, in parts by weight, the content of the matrix asphalt: 30 to 65 parts, and the softener 7 to 18 parts, 15 to 27 parts of SBS, 6 to 35 parts of modifier, 6 to 33 parts of conductive filler, 9 to 16 parts of filler, and 0.4 to 1.8 parts of antioxidant.
  4. 根据权利要求1所述的一种屏蔽电磁信号的防水卷材，其特征在于：所述胎基层为长纤聚酯胎；厚度为2.5～3.5mm。A waterproof coiled material for shielding electromagnetic signals according to claim 1, wherein said base layer is a long-fiber polyester tire; and has a thickness of 2.5 to 3.5 mm.
  5. 根据权利要求2所述的一种屏蔽电磁信号的防水卷材，其特征在于：所述的改性剂为三元乙丙橡胶、粉末丁苯橡胶、氯丁橡胶、丁基橡胶中的一种或两种以上的组合。The waterproof membrane for shielding electromagnetic signals according to claim 2, wherein the modifier is one of ethylene propylene diene monomer, powdered styrene butadiene rubber, neoprene rubber and butyl rubber. Or a combination of two or more.
  6. 根据权利要求2所述的一种屏蔽电磁信号的防水卷材，其特征在于：所述的导电填料：为表面镀有0.2～0.5μm厚的铜或镍或铬镀层的炭黑或石墨或碳纤维；所述的软化剂为芳烃油、溶剂油、矿物机油中一种或两种以上的组合；所述填充料为活性碳酸钙或/和滑石粉，目数为900～1600目；所述抗氧剂为2,6-二叔丁基对甲酚。The waterproof coiled material for shielding electromagnetic signals according to claim 2, wherein the conductive filler is carbon black or graphite or carbon fiber coated with copper or nickel or chrome plating having a thickness of 0.2 to 0.5 μm. The softening agent is one or a combination of two or more of an aromatic hydrocarbon oil, a solvent oil, and a mineral oil; the filler is activated calcium carbonate or/and talc powder, and the mesh number is 900 to 1600 mesh; The oxygen agent is 2,6-di-tert-butyl-p-cresol.
  7. 一种屏蔽电磁信号的防水卷材的制备方法，其特征在于：所述的制备方法包括制备导电布、制备改性沥青、制备预浸油、导电布处理、制得成品步骤。A method for preparing a waterproof coiled material for shielding electromagnetic signals, characterized in that the preparation method comprises the steps of preparing a conductive cloth, preparing a modified asphalt, preparing a pre-impregnated oil, a conductive cloth, and preparing a finished product.
  8. 根据权利要求7所述的一种屏蔽电磁信号的防水卷材的制备方法，其特征在于：所述的制备改性沥青：在基质沥青中加入软化剂，升温到145℃～185℃；加入SBS，搅拌；温度升高到150℃～170℃，加入改性剂，搅拌；加入导电填料、填充料和抗氧剂，搅拌；降温至160±10℃，出料。The method for preparing a waterproof coiled material for shielding electromagnetic signals according to claim 7, characterized in that: the preparation of the modified asphalt: adding a softener to the matrix asphalt, raising the temperature to 145 ° C to 185 ° C; adding SBS , stirring; the temperature is raised to 150 ° C ~ 170 ° C, adding modifier, stirring; adding conductive filler, filler and antioxidant, stirring; cooling to 160 ± 10 ° C, discharging.
  9. 根据权利要求7所述的一种屏蔽电磁信号的防水卷材的制备方法，其特征在于：所述的制备预浸油：将充油橡胶和基质沥青按1:1～1:2的质量比例混合，在170～190℃，600±50rpm搅拌1～2h混合而成预浸油。The method for preparing a waterproof coiled material for shielding electromagnetic signals according to claim 7, characterized in that: preparing the prepreg oil: mass ratio of oil-filled rubber and matrix asphalt to 1:1 to 1:2 The mixture is mixed at 170 to 190 ° C and stirred at 600 ± 50 rpm for 1 to 2 hours to form a prepreg.
  10. 根据权利要求7所述的一种屏蔽电磁信号的防水卷材的制备方法，其特征在于：所述的导电布处理：将预浸油敷于导电布两侧，每侧预浸油厚度均为0.1～0.5mm；热敷处理的温度为180～200℃；所述的制得成品：将胎基展开，在胎基上方涂覆一层改性沥青层，涂覆厚度为1～2.5mm；在改性沥青层上方，迅速贴覆处理后的导电布；在导电布上方再涂覆一层改性沥青层，涂覆厚度为0.5～1.5mm；在改性沥青层上覆盖隔离层；经冷却、定型制成防水卷材。The method for preparing a waterproof coiled material for shielding electromagnetic signals according to claim 7, wherein the conductive cloth is treated by applying prepreg oil to both sides of the conductive cloth, and the thickness of each prepreg oil is 0.1～0.5mm; the temperature of the hot treatment is 180～200°C; the finished product is prepared: the base is unfolded, and a modified asphalt layer is coated on the base of the tire, and the coating thickness is 1 to 2.5 mm; Above the modified asphalt layer, the treated conductive cloth is quickly attached; a modified asphalt layer is coated on the conductive cloth, the coating thickness is 0.5-1.5 mm; the separation layer is covered on the modified asphalt layer; It is shaped into a waterproof membrane.
PCT/CN2018/072015 2018-01-10 2018-01-10 Waterproof coiled material capable of shielding electromagnetic signal, and manufacturing method therefor WO2019136616A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112663349A (en) * 2021-01-18 2021-04-16 潍坊市宇虹防水材料(集团)有限公司 Flame-retardant modified asphalt waterproof coiled material and preparation method thereof
CN113337215A (en) * 2021-05-29 2021-09-03 山东交通学院 Flame-retardant coating material for tunnel pavement and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105584173A (en) * 2015-12-21 2016-05-18 潍坊市宏源防水材料有限公司 Waterproof roll with electromagnetic shielding function and preparation method thereof
KR101656096B1 (en) * 2015-04-01 2016-09-09 (주)울티모팩 Waterproof cloth and a manufacturing method for a bag making
CN106079738A (en) * 2016-08-04 2016-11-09 合肥中科富华新材料有限公司 A kind of waterproof roll with electromagnetic shielding action
JP2017057560A (en) * 2015-09-14 2017-03-23 株式会社ケー・エフ・シー Waterproof sheet roll pedestal and mechanism and method for laying waterproof sheet
CN106863979A (en) * 2017-02-27 2017-06-20 北京中联天晟工程材料有限责任公司 A kind of composite of water-proof coiled material and preparation method thereof
CN107310213A (en) * 2015-12-21 2017-11-03 潍坊市宏源防水材料有限公司 A kind of modified asphalt waterproof coiled material of self-adhesion construction and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101656096B1 (en) * 2015-04-01 2016-09-09 (주)울티모팩 Waterproof cloth and a manufacturing method for a bag making
JP2017057560A (en) * 2015-09-14 2017-03-23 株式会社ケー・エフ・シー Waterproof sheet roll pedestal and mechanism and method for laying waterproof sheet
CN105584173A (en) * 2015-12-21 2016-05-18 潍坊市宏源防水材料有限公司 Waterproof roll with electromagnetic shielding function and preparation method thereof
CN107310213A (en) * 2015-12-21 2017-11-03 潍坊市宏源防水材料有限公司 A kind of modified asphalt waterproof coiled material of self-adhesion construction and preparation method thereof
CN106079738A (en) * 2016-08-04 2016-11-09 合肥中科富华新材料有限公司 A kind of waterproof roll with electromagnetic shielding action
CN106863979A (en) * 2017-02-27 2017-06-20 北京中联天晟工程材料有限责任公司 A kind of composite of water-proof coiled material and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112663349A (en) * 2021-01-18 2021-04-16 潍坊市宇虹防水材料(集团)有限公司 Flame-retardant modified asphalt waterproof coiled material and preparation method thereof
CN113337215A (en) * 2021-05-29 2021-09-03 山东交通学院 Flame-retardant coating material for tunnel pavement and preparation method thereof
CN113337215B (en) * 2021-05-29 2022-04-12 山东交通学院 Flame-retardant coating material for tunnel pavement and preparation method thereof

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