WO2017161906A1 - 一种高压电线专用绝缘涂料的制备方法 - Google Patents

一种高压电线专用绝缘涂料的制备方法 Download PDF

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WO2017161906A1
WO2017161906A1 PCT/CN2016/106884 CN2016106884W WO2017161906A1 WO 2017161906 A1 WO2017161906 A1 WO 2017161906A1 CN 2016106884 W CN2016106884 W CN 2016106884W WO 2017161906 A1 WO2017161906 A1 WO 2017161906A1
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resin
styrene
insulating coating
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徐洁
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徐洁
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    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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Definitions

  • the present invention relates to the field of coating technology, and in particular, to a method for preparing a special high-voltage electric wire insulation coating.
  • the high-voltage power grid line is prone to failure under the conditions of heat, rain, snow, low temperature, acid rain, etc., causing the vertical load of the power grid to be too heavy, and then the tower is collapsed, the line is broken, and the whole structure collapses to make the grid collapse.
  • the outside of high-voltage wires is usually coated with insulating coating.
  • the special coating for high-voltage wires plays an important role in ensuring the normal operation of high-voltage wires, effectively protecting the safety of high-voltage lines, extending the life of the lines, and providing safety for people's lives. Guarantee.
  • the Chinese patent No. CN103436061A discloses an environmentally friendly nano power cable anticorrosive coating prepared from the following components in parts by weight.
  • the above anticorrosive paint solves the defect that the cable is not resistant to corrosion to a certain extent, but it has the defects of poor alkali and salt resistance and low insulation performance.
  • Other common high-voltage wire coatings that have been announced at present generally have good insulating properties, but their cold resistance, heat resistance and corrosion resistance are not good, and weather resistance needs to be further improved.
  • the present invention provides a method for preparing a high-voltage electric wire special insulating coating according to the deficiencies in the prior art, and the fire-retardant coating prepared by the method has excellent high-temperature/low temperature resistance and corrosion resistance. , suitable for promotion and application.
  • a method for preparing a high-voltage electric wire special insulating coating comprising the following parts by weight of raw materials: 40-45 parts of polytetrafluoroethylene resin; 35-39 parts of chloroacetate resin; silicone modified epoxy 30-34 parts of resin; 25-30 parts of n-hexane diisocyanate; 23-25 parts of decabromodiphenylethane; 14-17 parts of acrylate-styrene-vinyl acetate terpolymer; 10-12 parts of styrene; 3-5 parts of water glass; 2-4 parts of tungsten carbide; 6-9 parts of carbon nanotubes; 3-6 parts of nanometer magnesium hydroxide; 5-6 parts of glycerol; 7-8 parts of hydroxyethyl cellulose; Vinyl alcohol 8-10 parts ; 2-3 parts of butyl acetate; 0.5-1 part of titanium dioxide; 1.2-1.5 parts of organic modified bentonite; 60-80 parts of deionized water [0006]
  • tungsten carbide, organic modified bentonite, titanium dioxide are sent to a ball mill, ground to a powder having a particle size of 300 mesh or more, and then the powder and water glass are mixed and stirred, 100-150r Stir at a speed of /min for 40-50 minutes, stir well to obtain a mixture;
  • the insulating coating comprises the following raw materials by weight: 40 parts of polytetrafluoroethylene resin, 39 parts of chloroacetate resin, 32 parts of silicone modified epoxy resin, 30 parts of n-hexane diisocyanate, ten 25 parts of bromodiphenylethane, 15 parts of acrylate-styrene-vinyl acetate terpolymer, 12 parts of styrene, 5 parts of water glass, 2 parts of tungsten carbide, 9 parts of carbon nanotubes, 3 parts of nanometer magnesium hydroxide , 6 parts of glycerol, 7 parts of hydroxyethyl cellulose, 10 parts of polyvinyl alcohol,
  • the insulating coating comprises the following parts by weight of raw materials: 42 parts of polytetrafluoroethylene resin, 38 parts of chloroacetate resin, 34 parts of silicone modified epoxy resin, 25 parts of n-hexane diisocyanate, ten 23 parts of bromodiphenylethane, 17 parts of acrylate-styrene-vinyl acetate terpolymer, 11 parts of styrene, 3 parts of water glass, 3 parts of tungsten carbide, 7 parts of carbon nanotubes, 4 parts of nanometer magnesium hydroxide 5 parts of glycerol, 7 parts of hydroxyethyl cellulose, 9 parts of polyvinyl alcohol, 2 parts of butyl acetate, 0.5 part of titanium dioxide, 1.5 parts of organic modified bentonite, and 70 parts of deionized water.
  • the insulating coating comprises the following parts by weight of raw materials: 45 parts of polytetrafluoroethylene resin, 35 parts of chloroacetate resin, 30 parts of silicone modified epoxy resin, 28 parts of n-hexane diisocyanate, ten 25 parts of bromodiphenylethane, 14 parts of acrylate-styrene-vinyl acetate terpolymer, 10 parts of styrene, 4 parts of water glass 4 parts of tungsten carbide, 6 parts of carbon nanotubes, 6 parts of nanometer magnesium hydroxide, 6 parts of glycerol, 8 parts of hydroxyethyl cellulose, 8 parts of polyvinyl alcohol, 3 parts of butyl acetate, 0.8 parts of titanium dioxide, 1.3 parts of organically modified bentonite and 80 parts of deionized water.
  • the insulating coating comprises the following parts by weight of raw materials: 43 parts of polytetrafluoroethylene resin, 36 parts of chloroacetate resin, 33 parts of silicone modified epoxy resin, 26 parts of n-hexane diisocyanate, ten 24 parts of bromodiphenylethane, 15 parts of acrylate-styrene-vinyl acetate terpolymer, 10 parts of styrene, 4 parts of water glass, 2 parts of tungsten carbide, 8 parts of carbon nanotubes, 5 parts of nanometer magnesium hydroxide 5 parts of glycerol, 7 parts of hydroxyethyl cellulose, 9 parts of polyvinyl alcohol, 3 parts of butyl acetate, 0.6 parts of titanium dioxide, 1.4 parts of organic modified bentonite, and 65 parts of deionized water.
  • the insulating coating comprises the following parts by weight of raw materials: 44 parts of polytetrafluoroethylene resin, 36 parts of chloroacetate resin, 32 parts of silicone modified epoxy resin, 29 parts of n-hexane diisocyanate, ten 24 parts of bromodiphenylethane, 16 parts of acrylate-styrene-vinyl acetate terpolymer, 10 parts of styrene, 4 parts of water glass, 3 parts of tungsten carbide, 7 parts of carbon nanotubes, 5 parts of nanometer magnesium hydroxide 6 parts of glycerol, 8 parts of hydroxyethyl cellulose, 8 parts of polyvinyl alcohol, 2 parts of butyl acetate, 0.7 parts of titanium dioxide, 1.5 parts of organic modified bentonite, and 75 parts of deionized water.
  • Example 1 A special high-voltage wire insulation coating, comprising the following parts by weight of raw materials: 40 parts of polytetrafluoroethylene resin, 39 parts of chloroacetate resin, 32 parts of silicone modified epoxy resin, 30 parts of n-hexane diisocyanate, 25 parts of decabromodiphenylethane, 15 parts of acrylate-styrene-vinyl acetate terpolymer, 12 parts of styrene, 5 parts of water glass, 2 parts of tungsten carbide, 9 parts of carbon nanotubes, nanometer magnesium hydroxide 3 Parts: 6 parts of glycerin, 7 parts of hydroxyethyl cellulose, 10 parts of polyvinyl alcohol, 3 parts of butyl acetate, 1 part of titanium dioxide, 1.2 parts of organic modified bentonite, and 60 parts of deionized water.
  • the polytetrafluoroethylene resin is a tetrafluoroethylene-ethylene copolymer having a hydroxyl value of 60 mg/g resin and a solid content of 60%, which can make the coating have super weather resistance and strong self-cleaning property. Strong substrate adhesion, acid resistance, alkali resistance, corrosion resistance and many other excellent properties.
  • chloroacetic resin and water glass it can be crosslinked by physicochemical molecules, so that each raw material is firmly adhered to the cable, which is not easy to fall off, and the adhesion of the coating is improved.
  • the coating has the excellent performance of the epoxy coating itself, the surface is smooth and smooth, and the adhesion to the substrate is strong, and the contact angle of the coating film with water can reach 110°. Excellent water and aging resistance, and excellent thermal conductivity.
  • the thermal conductivity of the coating film on the surface of the wire can be further improved, so that the heat generated during the operation of the power grid can be better transmitted, and the anti-icing performance of the grid wire can be improved. Peers will not affect their normal operation
  • acrylate-styrene-vinyl acetate terpolymer acrylate accounts for 55%, styrene accounts for 20%, vinyl acetate accounts for 15%, and the copolymer has a weight average molecular weight of 60,000. And having a hydroxyl value of 5 mgKOH/g, and an average particle diameter of 0.5-0.6 ⁇ m.
  • the acrylate-styrene-vinyl acetate terpolymer in this embodiment is an environmentally friendly water-based resin, and has excellent flame retardancy and heat resistance, wherein acrylate is a main component, and it is compatible with styrene.
  • the combination can well function to stabilize and stabilize the system of components such as silicon carbide powder and titanium dioxide, and to improve the compactness, corrosion resistance and water resistance of the coating film.
  • the high-voltage electric wire special insulating coating of the present invention is prepared according to the following method:
  • tungsten carbide, organic modified bentonite, titanium dioxide is sent to a ball mill, ground to a powder having a particle size of 300 mesh or more, and then the powder and water glass are mixed and stirred, lOOr/min Stir at a speed of 50 minutes, stir well to obtain a mixture;
  • a special high-voltage wire insulation coating comprising the following parts by weight of raw materials: 42 parts of polytetrafluoroethylene resin, 38 parts of chloroacetate resin, 34 parts of silicone modified epoxy resin, 25 parts of n-hexane diisocyanate, 23 parts of decabromodiphenylethane, 17 parts of acrylate-styrene-vinyl acetate terpolymer, 11 parts of styrene, 3 parts of water glass, 3 parts of tungsten carbide, 7 parts of carbon nanotubes, nanometer magnesium hydroxide 4 Parts, 5 parts of glycerol, 7 parts of hydroxyethyl cellulose, 9 parts of polyvinyl alcohol, 2 parts of butyl acetate, 0.5 part of titanium dioxide, 1.5 parts of organic modified bentonite, and 70 parts of deionized water.
  • the polytetrafluoroethylene resin is a tetrafluoroethylene-ethylene copolymer having a hydroxyl value of 55 mg/g resin.
  • the coating With a solid content of 65%, it can make the coating have super weather resistance, strong self-cleaning property, strong substrate adhesion and acid resistance.
  • acrylate-styrene-vinyl acetate terpolymer by weight percent, acrylate comprises 5
  • the copolymer has a weight average molecular weight of 80,000, and has a hydroxyl value of 5 mgKOH/g, and an average particle diameter of 0.5-0.6 ⁇ m.
  • the high-voltage electric wire special insulating coating of the present invention is prepared according to the following method:
  • the tungsten carbide, the organic modified bentonite, and the titanium dioxide are sent to a ball mill, ground to a powder having a particle size of 300 mesh or more, and then the powder and the water glass are mixed and stirred, 150 r/min. Stir at a speed of 40 minutes, stir well to obtain a mixture;
  • a special high-voltage wire insulation coating comprising the following parts by weight of raw materials: 45 parts of polytetrafluoroethylene resin, 35 parts of chloroacetate resin, 30 parts of silicone modified epoxy resin, 28 parts of n-hexane diisocyanate, 25 parts of decabromodiphenylethane, 14 parts of acrylate-styrene-vinyl acetate terpolymer, 10 parts of styrene, 4 parts of water glass, 4 parts of tungsten carbide, 6 parts of carbon nanotubes, nanometer magnesium hydroxide 6 Parts: 6 parts of glycerin, 8 parts of hydroxyethyl cellulose, 8 parts of polyvinyl alcohol, 3 parts of butyl acetate, 0.8 parts of titanium dioxide, 1.3 parts of organic modified bentonite, and 80 parts of deionized water.
  • the polytetrafluoroethylene resin is a tetrafluoroethylene-ethylene copolymer having a hydroxyl value of 60 mg/g of a resin and a solid content of 50%.
  • a hydroxyl value of 60 mg/g of a resin and a solid content of 50% in the acrylate-styrene-vinyl acetate terpolymer, acrylate accounts for 55%, styrene accounts for 20%, vinyl acetate accounts for 15%, copolymer has a weight average molecular weight of 80,000, and has 5 mg KOH.
  • the hydroxyl value of /g has an average particle diameter of 0.5-0.6 ⁇ m.
  • the high-voltage electric wire special insulating coating of the present invention is prepared according to the following method:
  • tungsten carbide, organic modified bentonite, titanium dioxide are sent to a ball mill, ground to a powder having a particle size of 300 mesh or more, and then the powder and water glass are mixed and stirred, 100-150r Stir at a speed of /min for 40-50 minutes, stir well to obtain a mixture;
  • a special high-voltage wire insulation coating comprising the following parts by weight of raw materials: 43 parts of polytetrafluoroethylene resin, 36 parts of chloroacetate resin, 33 parts of silicone modified epoxy resin, 26 parts of n-hexane diisocyanate, 24 parts of decabromodiphenylethane, 15 parts of acrylate-styrene-vinyl acetate terpolymer, 10 parts of styrene, 4 parts of water glass, 2 parts of tungsten carbide, 8 parts of carbon nanotubes, nanometer magnesium hydroxide 5 Parts, 5 parts of glycerol, 7 parts of hydroxyethyl cellulose, 9 parts of polyvinyl alcohol, 3 parts of butyl acetate, 0.6 parts of titanium dioxide, 1.4 parts of organic modified bentonite, 65 parts of water.
  • the polytetrafluoroethylene resin is a tetrafluoroethylene-ethylene copolymer having a hydroxyl value of 60 mg/g resin and a solid content of 50% in an acrylate-styrene-vinyl acetate terpolymer.
  • acrylate accounts for 55%
  • styrene accounts for 20%
  • vinyl acetate accounts for 15%
  • copolymer has a weight average molecular weight of 700 00-80,000, and has a hydroxyl value of 5 mg KOH/g, and an average particle diameter of 0.5. -0.6 ⁇ .
  • the high-voltage electric wire special insulating coating of the present invention is prepared according to the following method:
  • tungsten carbide, organic modified bentonite, titanium dioxide are sent to a ball mill, ground to a powder having a particle size of 300 mesh or more, and then the powder and water glass are mixed and stirred, 100-150r Stir at a speed of /min for 40-50 minutes, stir well to obtain a mixture;
  • a special high-voltage wire insulation coating comprising the following parts by weight of raw materials: 44 parts of polytetrafluoroethylene resin, 36 parts of chloroacetate resin, 32 parts of silicone modified epoxy resin, 29 parts of n-hexane diisocyanate, 24 parts of decabromodiphenylethane, 16 parts of acrylate-styrene-vinyl acetate terpolymer, 10 parts of styrene, 4 parts of water glass, 3 parts of tungsten carbide, 7 parts of carbon nanotubes, nanometer magnesium hydroxide 5 Parts: 6 parts of glycerol, 8 parts of hydroxyethyl cellulose, 8 parts of polyvinyl alcohol, 2 parts of butyl acetate, 0.7 parts of titanium dioxide, 1.5 parts of organic modified bentonite, and 75 parts of deionized water.
  • the polytetrafluoroethylene resin is a tetrafluoroethylene-ethylene copolymer having a hydroxyl value of 60 mg/g resin and a solid content of 50% in an acrylate-styrene-vinyl acetate terpolymer. 5% by weight, styrene 20%, vinyl acetate 15%, copolymer weight average molecular weight 700 00, and having a hydroxyl value of 5 mg KOH/g, average particle size 0.5-0.6 ⁇ .
  • the special insulating coating for high voltage electric wires of the present invention is prepared according to the following method: [0051] (1) according to the parts by weight, tungsten carbide, organic modified bentonite, titanium dioxide is sent to a ball mill, ground to a powder having a particle size of 300 mesh or more, and then the powder and water glass are mixed and stirred, 100-150r Stir at a speed of /min for 40-50 minutes, stir well to obtain a mixture;
  • a special high-voltage wire insulation coating produced by a company in Nantong including the following raw materials in parts by mass: 55 parts of polytetrafluoroethylene emulsion, 20 parts of silicon micropowder, 10 parts of titanium dioxide, 0.5 parts of polyethylene wax, poly 0.6 parts of oxyethylene polyoxypropylene pentaerythritol ether, 15 parts of glycerin, 16 parts of butyl acetate, and 80 parts of water. The components are mixed and stirred according to the mass ratio to obtain the finished product.
  • An environmentally-friendly transmission line anticorrosive coating produced by a company in Shandong which is prepared from the following raw materials by weight: chloroacetate resin 50, polyvinylpyrrolidone 30, decabromodiphenylethane 25, emulsified silicone oil 22, Phthalates 15, polysiloxane 15, 2-bromo-2-nitro-1.3-propanediol 8, sodium carboxymethylcellulose 6, aluminum tripolyphosphate 5, water glass 4, tungsten carbide 3, Titanium carbide 3, lithium bentonite 2, sodium citrate 1, water 30.
  • the method for preparing the above-mentioned environmental protection transmission line anticorrosive coating comprises the following steps:
  • chloroacetate resin polyvinylpyrrolidone, decabromodiphenylethane, emulsified silicone oil, phthalate, polysiloxane, 2-bromo-2-nitro-1.3-propanediol , sodium carboxymethyl cellulose and aluminum tripolyphosphate, put into a blender, stirred evenly, and then placed in a humidified environment at a temperature of 80 ° C, relative humidity of 70% 12 hours, to obtain a mixture 2; (4) The mixture 1 and the mixture 2 were put into the reactor, followed by the addition of sodium citrate and water, and the mixture was stirred at 2000 rpm for 5 minutes to obtain.
  • the coatings of Examples 1-5 of the present invention have good corrosion resistance and insulation at -100 ° C and 500 ° C, and still have excellent weather resistance in concentrated sulfuric acid, strong alkali, and moist heat environments. Sexually, it has greatly improved the comprehensive performance of the insulating coatings used in existing high-voltage electric wires. It has good adaptability to China's especially hot and humid climate in the south or cold weather in the north, which can effectively ensure the safety of national electricity and people's daily life. Promote the application.

Abstract

一种高压电线专用绝缘涂料的制备方法,包括如下步骤:(1)按照重量份数将碳化钨、有机改性膨润土、钛白粉送至球磨机磨至粒径为300目以上的粉末,将粉末与水玻璃混合搅拌得到混合物;(2)依次将聚四氟乙烯树脂、氯醋树脂、有机硅改性环氧树脂、正己烷二异氰酸酯、十溴二苯乙烷、丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物、去离子水投入反应釜中,反应釜保持恒定温度80-100℃,混合搅拌40-60分钟,反应釜常温静置4-6小时;(3)向反应釜中加入苯乙烯、纳米碳管、纳米氢氧化镁、丙三醇、羟乙基纤维素、聚乙烯醇、醋酸丁酯以及步骤(1)制得的混合物,搅拌完成后放料出釜,制得涂料产品。

Description

发明名称:一种高压电线专用绝缘涂料的制备方法 技术领域
[0001] 本发明涉及涂料技术领域, 具体涉及一种高压电线专用绝缘涂料的制备方法。
背景技术
[0002] 高压电网线路在暴热、 雨雪、 低温、 酸雨等条件下易出现故障而导致电网垂直 负载过重, 继而发生倒塔、 断线、 直至整体结构垮塌而使电网瘫痪。 目前高压 电线外侧通常会涂覆绝缘涂料, 高压电线专用涂料在保证高压电线的正常工作 方面发挥着重要的作用, 有效保护了高压线路的安全, 延长了线路的寿命, 给 人们的生活提供了安全保障。 公幵号为 CN103436061A的中国专利公幵了一种环 保型纳米电力电缆防腐涂料, 由下述成分按重量份数比配制而成, 丙烯酸树脂 : 三聚磷酸铝: 硫酸钡: 纳米二氧化钛: 新戊二醇: 二乙二醇丁醚醋酸酯: 醋 酸丁酯: 丙烯酸丁酯 =50-180: 40-80: 30-70: 10-28: 46-75: 10-20: 10-20: 10- 20。 上述防腐涂料在一定程度上解决了电缆不耐腐蚀的缺陷, 但是其存在耐碱 耐盐性能较差, 并且绝缘性能不高的缺陷。 目前已经公幵的其它普通的高压电 线用涂料通常具有良好的绝缘性能, 但其耐寒、 耐热性能和耐腐蚀性能不佳, 耐候性有待进一步提高。
技术问题
[0003] 发明内容: 本发明针对现有技术中的不足之处, 提供一种高压电线专用绝缘涂 料的制备方法, 该方法制备的防火涂料具有优异的耐高 /低温、 耐腐蚀等综合性 育 , 适于推广应用。
[0004] 本发明的上述目的是通过下述技术方案来实现的:
[0005] 一种高压电线专用绝缘涂料的制备方法, 所述绝缘涂料包括以下重量份数的原 料: 聚四氟乙烯树脂 40-45份; 氯醋树脂 35-39份; 有机硅改性环氧树脂 30-34份 ; 正己烷二异氰酸酯 25-30份; 十溴二苯乙烷 23-25份; 丙烯酸酯-苯乙烯-醋酸乙 烯三元共聚物 14-17份; 苯乙烯 10-12份; 水玻璃 3-5份; 碳化钨 2-4份; 纳米碳管 6 -9份; 纳米氢氧化镁 3-6份; 丙三醇 5-6份; 羟乙基纤维素 7-8份; 聚乙烯醇 8-10份 ; 醋酸丁酯 2-3份; 钛白粉 0.5-1份; 有机改性膨润土 1.2-1.5份; 去离子水 60-80份 [0006] 所述制备方法包括如下步骤:
[0007] ( 1) 按照所述重量份数将碳化钨、 有机改性膨润土、 钛白粉送至球磨机, 磨 至粒径为 300目以上的粉末, 然后将粉末与水玻璃混合搅拌, 100-150r/min的速 度搅拌 40-50分钟, 搅拌均匀得到混合物;
[0008] (2) 然后依次将聚四氟乙烯树脂、 氯醋树脂、 有机硅改性环氧树脂、 正己烷 二异氰酸酯、 十溴二苯乙烷、 丙烯酸酯 -苯乙烯-醋酸乙烯三元共聚物、 去离子水 投入反应釜中, 其中反应釜中保持恒定温度 80-100°C, 混合搅拌均匀, 搅拌速度 300 -350r/min, 搅拌吋间 40-60分钟, 随后反应釜常温静置 4-6小吋;
[0009] (3) 然后向反应釜中加入剩余的其它原料以及步骤 (1) 制得的混合物, 搅拌 速度 450-500 r/min, 充分搅拌 45-60分钟, 搅拌完成后放料出釜, 制得防火涂料 ¾口
厂口 Π。
[0010] 进一步地, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 40份, 氯 醋树脂 39份, 有机硅改性环氧树脂 32份, 正己烷二异氰酸酯 30份, 十溴二苯乙 烷 25份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 15份, 苯乙烯 12份, 水玻璃 5份 , 碳化钨 2份, 纳米碳管 9份, 纳米氢氧化镁 3份, 丙三醇 6份, 羟乙基纤维素 7份 , 聚乙烯醇 10份,
醋酸丁酯 3份, 钛白粉 1份, 有机改性膨润土 1.2份, 去离子水 60份。
[0011] 进一步地, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 42份, 氯 醋树脂 38份, 有机硅改性环氧树脂 34份, 正己烷二异氰酸酯 25份, 十溴二苯乙 烷 23份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 17份, 苯乙烯 11份, 水玻璃 3份 , 碳化钨 3份, 纳米碳管 7份, 纳米氢氧化镁 4份, 丙三醇 5份, 羟乙基纤维素 7份 , 聚乙烯醇 9份, 醋酸丁酯 2份, 钛白粉 0.5份, 有机改性膨润土 1.5份, 去离子水 70份。
[0012] 进一步地, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 45份, 氯 醋树脂 35份, 有机硅改性环氧树脂 30份, 正己烷二异氰酸酯 28份, 十溴二苯乙 烷 25份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 14份, 苯乙烯 10份, 水玻璃 4份 , 碳化钨 4份, 纳米碳管 6份, 纳米氢氧化镁 6份, 丙三醇 6份, 羟乙基纤维素 8份 , 聚乙烯醇 8份, 醋酸丁酯 3份, 钛白粉 0.8份, 有机改性膨润土 1.3份, 去离子水 80份。
[0013] 进一步地, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 43份, 氯 醋树脂 36份, 有机硅改性环氧树脂 33份, 正己烷二异氰酸酯 26份, 十溴二苯乙 烷 24份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 15份, 苯乙烯 10份, 水玻璃 4份 , 碳化钨 2份, 纳米碳管 8份, 纳米氢氧化镁 5份, 丙三醇 5份, 羟乙基纤维素 7份 , 聚乙烯醇 9份, 醋酸丁酯 3份, 钛白粉 0.6份, 有机改性膨润土 1.4份, 去离子水 65份。
[0014] 进一步地, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 44份, 氯 醋树脂 36份, 有机硅改性环氧树脂 32份, 正己烷二异氰酸酯 29份, 十溴二苯乙 烷 24份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 16份, 苯乙烯 10份, 水玻璃 4份 , 碳化钨 3份, 纳米碳管 7份, 纳米氢氧化镁 5份, 丙三醇 6份, 羟乙基纤维素 8份 , 聚乙烯醇 8份, 醋酸丁酯 2份, 钛白粉 0.7份, 有机改性膨润土 1.5份, 去离子水 75份。
[0015] 本发明中各成分物质有机组合, 通过调节各成分的重量份配比, 有效提高了该 高压电线专用绝缘涂料的耐高温 /低温、 耐酸碱性、 绝缘性等性能, 适于推广应 用。
问题的解决方案
发明的有益效果
本发明的实施方式
[0016] 为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合实施例对本 发明的技术方案进行清楚、 完整地描述。 显然, 所描述的实施例是本发明的一 部分, 而不是全部的实施例。 基于所描述的本发明的实施例, 本领域普通技术 人员在无需创造性劳动的前提下所获得的所有其他实施例, 都属于本发明保护 的范围。
[0017] 实施例 1 : [0018] 一种高压电线专用绝缘涂料, 包括以下重量份数的原料: 聚四氟乙烯树脂 40份 , 氯醋树脂 39份, 有机硅改性环氧树脂 32份, 正己烷二异氰酸酯 30份, 十溴二 苯乙烷 25份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 15份, 苯乙烯 12份, 水玻璃 5份, 碳化钨 2份, 纳米碳管 9份, 纳米氢氧化镁 3份, 丙三醇 6份, 羟乙基纤维素 7份, 聚乙烯醇 10份, 醋酸丁酯 3份, 钛白粉 1份, 有机改性膨润土 1.2份, 去离 子水 60份。
[0019] 本实施例中, 聚四氟乙烯树脂为四氟乙烯-乙烯共聚物, 其羟值为 60mg/g树脂 , 固含量为 60%, 其可使涂层具有超耐候、 强自清洁性、 强基材附着性、 耐酸 、 耐碱、 抗腐蚀等多种优异性能。 通过添加氯醋树脂、 水玻璃, 可通过理化分 子交联, 使得各原料牢固粘着在电缆上, 不易脱落, 提高涂料的附着力。 同吋 , 通过采用有机硅改性环氧树脂, 从而使涂料具备环氧涂料本身所具有的优良 性能, 表面平整光滑, 与基材附着力强, 涂膜与水的接触角可达 110°, 耐水耐老 化性能优良, 同吋具有优良的导热性。 纳米碳管作为导热组分添加到涂层中后 , 可以进一步提高电线表面涂膜的热导率, 从而能够更好的将电网运行过程中 产生的热量迅速传导, 在提高电网导线防覆冰性能的同吋不会影响其正常运转
[0020] 其中丙烯酸酯-苯乙烯 -醋酸乙烯三元共聚物中, 按重量百分比计, 丙烯酸酯占 5 5% , 苯乙烯占 20%, 醋酸乙烯占 15%, 共聚物的重均分子量为 60000, 并且具 有 5mgKOH/g的羟基值, 平均粒径为 0.5-0.6μηι。 本实施例中丙烯酸酯 -苯乙烯-醋 酸乙烯三元共聚物是一种环保的水性树脂, 且具有优异的阻燃性和耐暴热性, 其中丙烯酸酯是主体成分, 而其与苯乙烯的组合能够很好地发挥分散和稳定碳 化硅粉末、 钛白粉等成分的体系稳定作用以及提高涂膜致密性、 防腐蚀性和耐 水性等作用。
[0021] 本发明的高压电线专用绝缘涂料, 按照下列方法进行制备:
[0022] ( 1) 按照所述重量份数将碳化钨、 有机改性膨润土、 钛白粉送至球磨机, 磨 至粒径为 300目以上的粉末, 然后将粉末与水玻璃混合搅拌, lOOr/min的速度搅 拌 50分钟, 搅拌均匀得到混合物;
[0023] (2) 然后依次将聚四氟乙烯树脂、 氯醋树脂、 有机硅改性环氧树脂、 正己烷 二异氰酸酯、 十溴二苯乙烷、 丙烯酸酯 -苯乙烯-醋酸乙烯三元共聚物、 去离子水 投入反应釜中, 其中反应釜中保持恒定温度 100°C, 混合搅拌均匀, 搅拌速度 300 r/min, 搅拌吋间 60分钟, 随后反应釜常温静置 6小吋;
[0024] (3) 然后向反应釜中加入剩余的其它原料以及步骤 (1) 制得的混合物, 搅拌 速度 450 r/min, 充分搅拌 45分钟, 搅拌完成后放料出釜, 制得防火涂料产品。
[0025] 实施例 2:
[0026] 一种高压电线专用绝缘涂料, 包括以下重量份数的原料: 聚四氟乙烯树脂 42份 , 氯醋树脂 38份, 有机硅改性环氧树脂 34份, 正己烷二异氰酸酯 25份, 十溴二 苯乙烷 23份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 17份, 苯乙烯 11份, 水玻璃 3份, 碳化钨 3份, 纳米碳管 7份, 纳米氢氧化镁 4份, 丙三醇 5份, 羟乙基纤维素 7份, 聚乙烯醇 9份, 醋酸丁酯 2份, 钛白粉 0.5份, 有机改性膨润土 1.5份, 去离 子水 70份。
[0027] 本实施例中, 聚四氟乙烯树脂为四氟乙烯-乙烯共聚物, 其羟值为 55mg/g树脂
, 固含量为 65%, 其可使涂层具有超耐候、 强自清洁性、 强基材附着性、 耐酸
、 耐碱、 抗腐蚀等多种优异性能。
[0028] 其中丙烯酸酯-苯乙烯 -醋酸乙烯三元共聚物中, 按重量百分比计, 丙烯酸酯占 5
5% , 苯乙烯占 20%, 醋酸乙烯占 15%, 共聚物的重均分子量为 80000, 并且具 有 5mgKOH/g的羟基值, 平均粒径为 0.5-0.6μηι。
[0029] 本发明的高压电线专用绝缘涂料, 按照下列方法进行制备:
[0030] ( 1) 按照所述重量份数将碳化钨、 有机改性膨润土、 钛白粉送至球磨机, 磨 至粒径为 300目以上的粉末, 然后将粉末与水玻璃混合搅拌, 150r/min的速度搅 拌 40分钟, 搅拌均匀得到混合物;
[0031] (2) 然后依次将聚四氟乙烯树脂、 氯醋树脂、 有机硅改性环氧树脂、 正己烷 二异氰酸酯、 十溴二苯乙烷、 丙烯酸酯 -苯乙烯-醋酸乙烯三元共聚物、 去离子水 投入反应釜中, 其中反应釜中保持恒定温度 80°C, 混合搅拌均匀, 搅拌速度 300r
/min, 搅拌吋间 60分钟, 随后反应釜常温静置 4小吋;
[0032] (3) 然后向反应釜中加入剩余的其它原料以及步骤 (1) 制得的混合物, 搅拌 速度 450 r/min, 充分搅拌 45分钟, 搅拌完成后放料出釜, 制得防火涂料产品。 [0033] 实施例 3:
[0034] 一种高压电线专用绝缘涂料, 包括以下重量份数的原料: 聚四氟乙烯树脂 45份 , 氯醋树脂 35份, 有机硅改性环氧树脂 30份, 正己烷二异氰酸酯 28份, 十溴二 苯乙烷 25份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 14份, 苯乙烯 10份, 水玻璃 4份, 碳化钨 4份, 纳米碳管 6份, 纳米氢氧化镁 6份, 丙三醇 6份, 羟乙基纤维素 8份, 聚乙烯醇 8份, 醋酸丁酯 3份, 钛白粉 0.8份, 有机改性膨润土 1.3份, 去离 子水 80份。
[0035] 本实施例中, 聚四氟乙烯树脂为四氟乙烯-乙烯共聚物, 其羟值为 60mg/g树脂 , 固含量为 50%。 其中丙烯酸酯-苯乙烯 -醋酸乙烯三元共聚物中, 按重量百分比 计, 丙烯酸酯占 55%, 苯乙烯占 20%, 醋酸乙烯占 15%, 共聚物的重均分子量 为 80000, 并且具有 5mgKOH/g的羟基值, 平均粒径为 0.5-0.6μηι。
[0036] 本发明的高压电线专用绝缘涂料, 按照下列方法进行制备:
[0037] ( 1) 按照所述重量份数将碳化钨、 有机改性膨润土、 钛白粉送至球磨机, 磨 至粒径为 300目以上的粉末, 然后将粉末与水玻璃混合搅拌, 100-150r/min的速 度搅拌 40-50分钟, 搅拌均匀得到混合物;
[0038] (2) 然后依次将聚四氟乙烯树脂、 氯醋树脂、 有机硅改性环氧树脂、 正己烷 二异氰酸酯、 十溴二苯乙烷、 丙烯酸酯 -苯乙烯-醋酸乙烯三元共聚物、 去离子水 投入反应釜中, 其中反应釜中保持恒定温度 80-100°C, 混合搅拌均匀, 搅拌速度 300 -350r/min, 搅拌吋间 40-60分钟, 随后反应釜常温静置 4-6小吋;
[0039] (3) 然后向反应釜中加入剩余的其它原料以及步骤 (1) 制得的混合物, 搅拌 速度 450-500 r/min, 充分搅拌 45-60分钟, 搅拌完成后放料出釜, 制得防火涂料 ¾ 口
[0040] 实施例 4:
[0041] 一种高压电线专用绝缘涂料, 包括以下重量份数的原料: 聚四氟乙烯树脂 43份 , 氯醋树脂 36份, 有机硅改性环氧树脂 33份, 正己烷二异氰酸酯 26份, 十溴二 苯乙烷 24份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 15份, 苯乙烯 10份, 水玻璃 4份, 碳化钨 2份, 纳米碳管 8份, 纳米氢氧化镁 5份, 丙三醇 5份, 羟乙基纤维素 7份, 聚乙烯醇 9份, 醋酸丁酯 3份, 钛白粉 0.6份, 有机改性膨润土 1.4份, 去离 子水 65份。
[0042] 本实施例中, 聚四氟乙烯树脂为四氟乙烯-乙烯共聚物, 其羟值为 60mg/g树脂 , 固含量为 50%, 丙烯酸酯-苯乙烯 -醋酸乙烯三元共聚物中, 按重量百分比计, 丙烯酸酯占 55%, 苯乙烯占 20%, 醋酸乙烯占 15%, 共聚物的重均分子量为 700 00-80000, 并且具有 5mgKOH/g的羟基值, 平均粒径为 0.5-0.6μηι。
[0043] 本发明的高压电线专用绝缘涂料, 按照下列方法进行制备:
[0044] ( 1) 按照所述重量份数将碳化钨、 有机改性膨润土、 钛白粉送至球磨机, 磨 至粒径为 300目以上的粉末, 然后将粉末与水玻璃混合搅拌, 100-150r/min的速 度搅拌 40-50分钟, 搅拌均匀得到混合物;
[0045] (2) 然后依次将聚四氟乙烯树脂、 氯醋树脂、 有机硅改性环氧树脂、 正己烷 二异氰酸酯、 十溴二苯乙烷、 丙烯酸酯 -苯乙烯-醋酸乙烯三元共聚物、 去离子水 投入反应釜中, 其中反应釜中保持恒定温度 80-100°C, 混合搅拌均匀, 搅拌速度 300 -350r/min, 搅拌吋间 40-60分钟, 随后反应釜常温静置 4-6小吋;
[0046] (3) 然后向反应釜中加入剩余的其它原料以及步骤 (1) 制得的混合物, 搅拌 速度 450-500 r/min, 充分搅拌 45-60分钟, 搅拌完成后放料出釜, 制得防火涂料 ¾ 口
[0047] 实施例 5:
[0048] 一种高压电线专用绝缘涂料, 包括以下重量份数的原料: 聚四氟乙烯树脂 44份 , 氯醋树脂 36份, 有机硅改性环氧树脂 32份, 正己烷二异氰酸酯 29份, 十溴二 苯乙烷 24份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 16份, 苯乙烯 10份, 水玻璃 4份, 碳化钨 3份, 纳米碳管 7份, 纳米氢氧化镁 5份, 丙三醇 6份, 羟乙基纤维素 8份, 聚乙烯醇 8份, 醋酸丁酯 2份, 钛白粉 0.7份, 有机改性膨润土 1.5份, 去离 子水 75份。
[0049] 本实施例中, 聚四氟乙烯树脂为四氟乙烯-乙烯共聚物, 其羟值为 60mg/g树脂 , 固含量为 50%, 丙烯酸酯-苯乙烯 -醋酸乙烯三元共聚物中, 按重量百分比计, 丙烯酸酯占 55%, 苯乙烯占 20%, 醋酸乙烯占 15%, 共聚物的重均分子量为 700 00, 并且具有 5mgKOH/g的羟基值, 平均粒径为 0.5-0.6μηι。
[0050] 本发明的高压电线专用绝缘涂料, 按照下列方法进行制备: [0051] ( 1) 按照所述重量份数将碳化钨、 有机改性膨润土、 钛白粉送至球磨机, 磨 至粒径为 300目以上的粉末, 然后将粉末与水玻璃混合搅拌, 100-150r/min的速 度搅拌 40-50分钟, 搅拌均匀得到混合物;
[0052] (2) 然后依次将聚四氟乙烯树脂、 氯醋树脂、 有机硅改性环氧树脂、 正己烷 二异氰酸酯、 十溴二苯乙烷、 丙烯酸酯 -苯乙烯-醋酸乙烯三元共聚物、 去离子水 投入反应釜中, 其中反应釜中保持恒定温度 80-100°C, 混合搅拌均匀, 搅拌速度 300 -350r/min, 搅拌吋间 40-60分钟, 随后反应釜常温静置 4-6小吋;
[0053] (3) 然后向反应釜中加入剩余的其它原料以及步骤 (1) 制得的混合物, 搅拌 速度 450-500 r/min, 充分搅拌 45-60分钟, 搅拌完成后放料出釜, 制得防火涂料 ¾口
[0054] 对比例 1 :
[0055] 南通某公司生产的一种高压电线专用绝缘涂料, 包括按照质量份数计的如下原 料: 聚四氟乙烯乳液 55份、 硅微粉 20份、 二氧化钛 10份、 聚乙烯蜡 0.5份、 聚氧 乙烯聚氧丙烯季戊四醇醚 0.6份、 丙三醇 15份、 醋酸丁酯 16份、 水 80份。 按照质 量配比将各组分混合搅拌均匀即得成品。
[0056] 对比例 2:
[0057] 山东某公司生产的一种环保输电线路防腐涂料, 其由下述重量份的原料制备而 成: 氯醋树脂 50, 聚乙烯吡咯烷酮 30, 十溴二苯乙烷 25, 乳化硅油 22, 邻苯二 甲酸酯 15, 聚硅氧烷 15, 2-溴 -2-硝基 -1.3-丙二醇 8, 羧甲基纤维素钠 6, 三聚磷酸 铝 5, 水玻璃 4, 碳化钨 3, 碳化钛 3, 锂基膨润土 2, 柠檬酸钠 1, 水 30。
[0058] 上述环保输电线路防腐涂料的制备方法, 包括如下步骤:
[0059] ( 1) 按照重量份称取上述各原料备用;
[0060] (2) 将碳化钨, 碳化钛以及锂基膨润土送至球磨机, 磨至粒径为 500目以上的 粉末, 然后将粉末与钠水玻璃混合, 搅拌均匀得到混合物 1 ;
[0061] (3) 将氯醋树脂, 聚乙烯基吡咯烷酮, 十溴二苯乙烷, 乳化硅油, 邻苯二甲 酸酯, 聚硅氧烷, 2-溴 -2-硝基 -1.3-丙二醇, 羧甲基纤维素钠以及三聚磷酸铝, 投 入到搅拌机中, 搅拌均匀, 然后置于温度为 80°C, 相对湿度为 70%的湿热环境中 12小吋, 得到混合物 2; [0062] (4) 将混合物 1和混合物 2投入到反应器中, 随后添加柠檬酸钠和水, 2000转 / min离心搅拌 5分钟, 即得。
[0063] 对本发明实施例 1-5以及对比例 1、 2制得的高压电线专用绝缘涂料进行性能的 测试, 结果见表 1 :
Figure imgf000010_0001
本发明实施例 1-5的涂层在 -100°C、 500°C的条件下仍具有良好的耐腐蚀性和绝 缘性, 在浓硫酸、 强碱、 以及湿热等环境中仍然具有优异的耐候性, 极大的改 进了现有高压电线所用的绝缘涂料的综合性能, 对于我国尤其是南方湿热气候 或北方寒潮天气具有良好的适应性, 可有效保证国家用电安全和人们日常生活 , 适于推广应用。
最后应说明的是: 以上实施例仅用以说明本发明的技术方案, 而非对其限制; 尽管参照前述实施例对本发明进行了详细的说明, 本领域的普通技术人员应当 理解: 其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部 分技术特征进行等同替换; 而这些修改或者替换, 并不使相应技术方案的本质 脱离本发明各实施例技术方案的范围。

Claims

权利要求书
[权利要求 1] 一种高压电线专用绝缘涂料的制备方法, 其特征在于, 所述绝缘涂料 包括以下重量份数的原料: 聚四氟乙烯树脂 40-45份; 氯醋树脂 35-39 份; 有机硅改性环氧树脂 30-34份; 正己烷二异氰酸酯 25-30份; 十溴 二苯乙烷 23-25份; 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 14-17份; 苯乙烯 10-12份; 水玻璃 3-5份; 碳化钨 2-4份; 纳米碳管 6-9份; 纳米 氢氧化镁 3-6份; 丙三醇 5-6份; 羟乙基纤维素 7-8份; 聚乙烯醇 8-10份 ; 醋酸丁酯 2-3份; 钛白粉 0.5-1份; 有机改性膨润土 1.2-1.5份; 去离 子水 60-80份;
所述制备方法包括如下步骤:
( 1) 按照所述重量份数将碳化钨、 有机改性膨润土、 钛白粉送至球 磨机, 磨至粒径为 300目以上的粉末, 然后将粉末与水玻璃混合搅拌 , 100-150r/min的速度搅拌 40-50分钟, 搅拌均匀得到混合物;
(2) 然后依次将聚四氟乙烯树脂、 氯醋树脂、 有机硅改性环氧树脂 、 正己烷二异氰酸酯、 十溴二苯乙烷、 丙烯酸酯-苯乙烯 -醋酸乙烯三 元共聚物、 去离子水投入反应釜中, 其中反应釜中保持恒定温度 80-1 00°C, 混合搅拌均匀, 搅拌速度 300 -350r/min, 搅拌吋间 40-60分钟, 随后反应釜常温静置 4-6小吋;
(3) 然后向反应釜中加入剩余的其它原料以及步骤 (1) 制得的混合 物, 搅拌速度 450-500 r/min, 充分搅拌 45-60分钟, 搅拌完成后放料出 釜, 制得防火涂料产品。
[权利要求 2] 根据权利要求 1所述的高压电线专用绝缘涂料的制备方法, 其特征在 于, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 40份, 氯醋树脂 39份, 有机硅改性环氧树脂 32份, 正己烷二异氰酸酯 30份 , 十溴二苯乙烷 25份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 15份, 苯乙烯 12份, 水玻璃 5份, 碳化钨 2份, 纳米碳管 9份, 纳米氢氧化镁 3 份, 丙三醇 6份, 羟乙基纤维素 7份, 聚乙烯醇 10份, 醋酸丁酯 3份, 钛白粉 1份, 有机改性膨润土 1.2份, 去离子水 60份。 根据权利要求 1所述的高压电线专用绝缘涂料的制备方法, 其特征在 于, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 42份, 氯醋树脂 38份, 有机硅改性环氧树脂 34份, 正己烷二异氰酸酯 25份, 十溴二苯乙烷 23份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 17份, 苯 乙烯 11份, 水玻璃 3份, 碳化钨 3份, 纳米碳管 7份, 纳米氢氧化镁 4份 , 丙三醇 5份, 羟乙基纤维素 7份, 聚乙烯醇 9份, 醋酸丁酯 2份, 钛白 粉 0.5份, 有机改性膨润土 1.5份, 去离子水 70份。
根据权利要求 1所述的高压电线专用绝缘涂料的制备方法, 其特征在 于, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 45份, 氯醋树脂 35份, 有机硅改性环氧树脂 30份, 正己烷二异氰酸酯 28份 , 十溴二苯乙烷 25份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 14份, 苯乙烯 10份, 水玻璃 4份, 碳化钨 4份, 纳米碳管 6份, 纳米氢氧化镁 6 份, 丙三醇 6份, 羟乙基纤维素 8份, 聚乙烯醇 8份, 醋酸丁酯 3份, 钛 白粉 0.8份, 有机改性膨润土 1.3份, 去离子水 80份。
根据权利要求 1所述的高压电线专用绝缘涂料的制备方法, 其特征在 于, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 43份, 氯醋树脂 36份, 有机硅改性环氧树脂 33份, 正己烷二异氰酸酯 26份 , 十溴二苯乙烷 24份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 15份, 苯乙烯 10份, 水玻璃 4份, 碳化钨 2份, 纳米碳管 8份, 纳米氢氧化镁 5 份, 丙三醇 5份, 羟乙基纤维素 7份, 聚乙烯醇 9份, 醋酸丁酯 3份, 钛 白粉 0.6份, 有机改性膨润土 1.4份, 去离子水 65份。
根据权利要求 1所述的高压电线专用绝缘涂料的制备方法, 其特征在 于, 所述绝缘涂料包括以下重量份数的原料: 聚四氟乙烯树脂 44份, 氯醋树脂 36份, 有机硅改性环氧树脂 32份, 正己烷二异氰酸酯 29份 , 十溴二苯乙烷 24份, 丙烯酸酯-苯乙烯-醋酸乙烯三元共聚物 16份, 苯乙烯 10份, 水玻璃 4份, 碳化钨 3份, 纳米碳管 7份, 纳米氢氧化镁 5 份, 丙三醇 6份, 羟乙基纤维素 8份, 聚乙烯醇 8份, 醋酸丁酯 2份, 钛 白粉 0.7份, 有机改性膨润土 1.5份, 去离子水 75份。
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