阅读说明：本技术 一种阻燃耐高温型电线及其制造方法 (Flame-retardant high-temperature-resistant electric wire and manufacturing method thereof ) 是由 周佩珍 周培弟 赖海军 曾凡金 陈长英 凌俊友 农日边 于 2019-12-08 设计创作，主要内容包括：本发明公开一种阻燃耐高温型电线及其制造方法,包括导体及被覆于导体上的树脂材料,所述树脂材料由以下重量份的原料制成,饱和聚酯树脂30-50、酚醛纤维10-20份、氟碳树脂10-15份、环氧树脂7-9份、聚对苯撑苯并双噁唑6-8份、石棉粉3-4份、二氧化硅3-5份、氧化钛1-3份、陶瓷粉2-4份、可膨胀石墨9-11份、玻璃纤维1-3份、甲基丙烯酸甲酯10-13份、硅酮母粒5-7份、十溴二苯乙烷2-6份、氨基甲酸乙酯3-5份和水100-120份；该电线耐温等级高,阻燃性好,防火能力强,具有良好的力学和热学性能,且制造成本低廉,易于加工,适合工业中的大规模生产。(The invention discloses a flame-retardant high-temperature-resistant wire and a manufacturing method thereof, and the flame-retardant high-temperature-resistant wire comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 30-50 parts of saturated polyester resin, 10-20 parts of phenolic fiber, 10-15 parts of fluorocarbon resin, 7-9 parts of epoxy resin, 6-8 parts of poly-p-phenylene benzobisoxazole, 3-4 parts of asbestos powder, 3-5 parts of silicon dioxide, 1-3 parts of titanium oxide, 2-4 parts of ceramic powder, 9-11 parts of expandable graphite, 1-3 parts of glass fiber, 10-13 parts of methyl methacrylate, 5-7 parts of silicone master batch, 2-6 parts of decabromodiphenylethane, 3-5 parts of ethyl carbamate and 120 parts of water; the wire has high temperature resistance level, good flame retardance, strong fireproof capability, good mechanical and thermal properties, low manufacturing cost, easy processing and suitability for large-scale production in industry.)

1. A flame-retardant high-temperature-resistant electric wire is characterized in that: the conductive material comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 30-50 parts of saturated polyester resin, 10-20 parts of phenolic fiber, 10-15 parts of fluorocarbon resin, 7-9 parts of epoxy resin, 6-8 parts of poly-p-phenylene benzobisoxazole, 3-4 parts of asbestos powder, 3-5 parts of silicon dioxide, 1-3 parts of titanium oxide, 2-4 parts of ceramic powder, 9-11 parts of expandable graphite, 1-3 parts of glass fiber, 10-13 parts of methyl methacrylate, 5-7 parts of silicone master batch, 2-6 parts of decabromodiphenylethane, 3-5 parts of ethyl carbamate and 120 parts of water 100-.

2. The flame-retardant high-temperature-resistant electric wire according to claim 1, wherein: the conductive material comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 50 parts of saturated polyester resin, 20 parts of phenolic fiber, 15 parts of fluorocarbon resin, 9 parts of epoxy resin, 8 parts of poly-p-phenylene benzobisoxazole, 4 parts of asbestos powder, 5 parts of silicon dioxide, 3 parts of titanium oxide, 4 parts of ceramic powder, 11 parts of expandable graphite, 3 parts of glass fiber, 13 parts of methyl methacrylate, 7 parts of silicone master batch, 6 parts of decabromodiphenylethane, 5 parts of ethyl carbamate and 120 parts of water.

3. The flame-retardant high-temperature-resistant electric wire according to claim 1, wherein: the conductive material comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 30 parts of saturated polyester resin, 10 parts of phenolic fiber, 10 parts of fluorocarbon resin, 7 parts of epoxy resin, 6 parts of poly-p-phenylene benzobisoxazole, 3 parts of asbestos powder, 3 parts of silicon dioxide, 1 part of titanium oxide, 2 parts of ceramic powder, 9 parts of expandable graphite, 1 part of glass fiber, 10 parts of methyl methacrylate, 5 parts of silicone master batch, 2 parts of decabromodiphenylethane, 3 parts of ethyl carbamate and 100 parts of water.

4. The flame-retardant high-temperature-resistant electric wire according to claim 1, wherein: the conductive material comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 40 parts of saturated polyester resin, 15 parts of phenolic fiber, 13 parts of fluorocarbon resin, 8 parts of epoxy resin, 7 parts of poly-p-phenylene benzobisoxazole, 3.5 parts of asbestos powder, 4 parts of silicon dioxide, 2 parts of titanium oxide, 3 parts of ceramic powder, 10 parts of expandable graphite, 2 parts of glass fiber, 12 parts of methyl methacrylate, 6 parts of silicone master batch, 4 parts of decabromodiphenylethane, 4 parts of ethyl carbamate and 110 parts of water.

Technical Field

The invention relates to a flame-retardant high-temperature-resistant electric wire and a manufacturing method thereof, belonging to the field of electric power.

Background

The wire is composed of one or more soft wires, and a light and soft protective layer is coated outside the wire. With the rapid development of economy in China, electric wires are widely applied in various industries and fields, new products are derived from the electric wires according to the requirements of different application occasions and application requirements, convenience of equipment, reduction of equipment cost and the like, and the electric wires are produced by adopting new materials and special materials, or changing the structure of the products, or improving the process requirements, or combining different types of products; different materials such as flame-retardant cables, low-smoke halogen-free cables, termite-proof cables, rat-proof cables, oil-proof, cold-resistant and temperature-resistant cables and the like are adopted. Along with the frequent occurrence of electrical fire accidents in China, the flame retardant problem of the electric wire and the cable gradually draws attention of all countries in the world, a large amount of smoke and toxic and corrosive gas released during the combustion of the cable are dangerous factors in the fire, the safe evacuation and fire extinguishing work of people is prevented in the fire, so that the lives and properties are seriously lost, and meanwhile, along with the development of communication industry, automobile industry and computer industry, the high-temperature resistant flame retardant electric wire and the cable are also indispensable. The existing electric wire and cable has low temperature resistance level, general flame retardance and fireproof capability, low manufacturing cost and complex processing.

Therefore, it is necessary to find a new wire which has high temperature resistance, good flame retardance, strong fireproof capability, good mechanical and thermal properties, low manufacturing cost, easy processing and suitability for large-scale industrial production.

Disclosure of Invention

In view of the above, the invention aims to provide an electric wire which has high temperature resistance, good flame retardance, strong fireproof capability, good mechanical and thermal properties, low manufacturing cost, easy processing and suitability for large-scale industrial production.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the flame-retardant high-temperature-resistant wire comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 30-50 parts of saturated polyester resin, 10-20 parts of phenolic fiber, 10-15 parts of fluorocarbon resin, 7-9 parts of epoxy resin, 6-8 parts of poly-p-phenylene benzobisoxazole, 3-4 parts of asbestos powder, 3-5 parts of silicon dioxide, 1-3 parts of titanium oxide, 2-4 parts of ceramic powder, 9-11 parts of expandable graphite, 1-3 parts of glass fiber, 10-13 parts of methyl methacrylate, 5-7 parts of silicone master batch, 2-6 parts of decabromodiphenylethane, 3-5 parts of ethyl carbamate and 120 parts of 100-fold water.

Further, the flame-retardant high-temperature-resistant electric wire comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 50 parts of saturated polyester resin, 20 parts of phenolic fiber, 15 parts of fluorocarbon resin, 9 parts of epoxy resin, 8 parts of poly-p-phenylene benzobisoxazole, 4 parts of asbestos powder, 5 parts of silicon dioxide, 3 parts of titanium oxide, 4 parts of ceramic powder, 11 parts of expandable graphite, 3 parts of glass fiber, 13 parts of methyl methacrylate, 7 parts of silicone master batch, 6 parts of decabromodiphenylethane, 5 parts of ethyl carbamate and 120 parts of water.

Further, the flame-retardant high-temperature-resistant electric wire comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 30 parts of saturated polyester resin, 10 parts of phenolic fiber, 10 parts of fluorocarbon resin, 7 parts of epoxy resin, 6 parts of poly-p-phenylene benzobisoxazole, 3 parts of asbestos powder, 3 parts of silicon dioxide, 1 part of titanium oxide, 2 parts of ceramic powder, 9 parts of expandable graphite, 1 part of glass fiber, 10 parts of methyl methacrylate, 5 parts of silicone master batch, 2 parts of decabromodiphenylethane, 3 parts of ethyl carbamate and 100 parts of water.

Further, the flame-retardant high-temperature-resistant electric wire comprises a conductor and a resin material coated on the conductor, wherein the resin material is prepared from the following raw materials, by weight, 40 parts of saturated polyester resin, 15 parts of phenolic fiber, 13 parts of fluorocarbon resin, 8 parts of epoxy resin, 7 parts of poly-p-phenylene benzobisoxazole, 3.5 parts of asbestos powder, 4 parts of silicon dioxide, 2 parts of titanium oxide, 3 parts of ceramic powder, 10 parts of expandable graphite, 2 parts of glass fiber, 12 parts of methyl methacrylate, 6 parts of silicone master batch, 4 parts of decabromodiphenylethane, 4 parts of ethyl carbamate and 110 parts of water.

Another technical problem to be solved by the present invention is to provide a method for manufacturing a flame-retardant high-temperature-resistant electric wire, comprising the following steps:

1) putting 30-50 parts of saturated polyester resin, 10-15 parts of fluorocarbon resin, 7-9 parts of epoxy resin, 10-13 parts of methyl methacrylate, 5-7 parts of silicone master batch and 2-6 parts of decabromodiphenylethane into a mixer, and mixing for 20-30min at the speed of stirring 110-;

2) sequentially adding 10-20 parts of phenolic fiber, 1-3 parts of glass fiber, 3-4 parts of asbestos powder, 2-4 parts of ceramic powder and 9-11 parts of expandable graphite into the mixed material I obtained in the step 1), starting a mixer, and continuously mixing for 5-10min at the speed of stirring at 200 plus materials at 300r/min to obtain a mixed material II for later use;

3) 6-8 parts of poly-p-phenylene benzobisoxazole, 3-5 parts of ethyl carbamate and 120 parts of 100-fold water are put into the second mixed material obtained in the step 2), continuously mixed and doped for 10-20min at the stirring speed of 300r/min, kept stand for 10-15 min, then 3-5 parts of silicon dioxide and 1-3 parts of titanium oxide are sequentially added, the mixer is started again, and continuously mixed and doped for 30-40min at the stirring speed of 80-100r/min, so that the materials are uniformly mixed and stirred to obtain a mixed material for later use;

4) transferring the mixture prepared in the step 3) into a double-screw extruder, melting, mixing and extruding the mixture in the double-screw extruder with the preheating temperature of 350-;

5) feeding the particles prepared in the step 4) into a centrifugal drier at the temperature of 80-100 ℃ for dehydration, and drying for 7-8 hours to prepare a resin material for later use;

6) and (3) feeding the resin material prepared in the step 5) into an extruder, extruding and uniformly coating the resin material on a conductor at the traction speed of 7 m/min at the temperature of 200-220 ℃, and naturally cooling at normal temperature to obtain the conductive coating.

The technical effects of the invention are mainly reflected in the following aspects: the wire prepared by the manufacturing process of mixing, melting, granulating, drying, dehydrating and shaping has high temperature resistance, good flame retardance, strong fire resistance, good mechanical and thermal properties, low manufacturing cost and easy processing, and is suitable for large-scale industrial production.

Detailed Description