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Low-smoke halogen-free cable material containing novel functional compatilizer and preparation thereof

A compatibilizer and cable material technology, applied in the field of wires and cables, can solve the problems of cracking, fire, loss of insulation function, etc.

Active Publication Date: 2021-05-18
LANGFANG CUISHI CABLE MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing conventional cable materials on the market have poor weather resistance. When the equipment works outdoors or has been exposed to the sun's ultraviolet rays for a long time, cracks will appear on the surface. Direct contact with mineral oils such as gasoline and engine oil is prone to surface swelling, which greatly reduces the physical and mechanical properties of the product. These cable materials have more potential dangers during use, which directly affects the safety and security of electronic and electrical equipment, automobiles and other property. Personal safety
In particular, some large-scale electronic and electrical equipment have short-circuits in the internal cables, which can easily burn out the electrical equipment, and may cause a fire in severe cases.
When the working environment is high, it will appear melting, dry cracking and other phenomena, resulting in loss of insulation function, and the cable will become soft and its mechanical properties will deteriorate under long-term high-power use.
In addition, in the actual application process, the wires and cables will be bent with their movement, and they will be plugged and pulled out frequently. During long-term use, if the flexibility is not good, they will break, especially in high-temperature workplaces.

Method used

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  • Low-smoke halogen-free cable material containing novel functional compatilizer and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The low-smoke halogen-free cable material in this example is prepared from raw materials containing the following components and their contents in parts by weight: 50 parts of ethylene-vinyl acetate copolymer, 20 parts of fluorosilicone rubber, 10 parts of terpene resin, polyphenylene ether 15 parts of resin, 6 parts of functional compatibilizer, 50 parts of halogen-free flame retardant, 5 parts of reinforcing agent, 2 parts of peroxide crosslinking agent, 3 parts of stabilizer, 0.5 part of lubricant and 0.2 part of antioxidant.

[0042] Among them, the content of vinyl acetate in the ethylene-vinyl acetate copolymer used is 12 wt%, and its melt index is about 8 g / 10min (190°C, 2.16 kg); the fluorosilicone rubber used is commercially available FSR8430-U ; The terpene resin used is commercially available TP1105; the molding shrinkage of the polyphenylene ether resin used is ≤0.7%, and its volume resistivity is >1000 Ω.cm under the conditions of 23°C and 50% relative humid...

Embodiment 2

[0048] The low-smoke halogen-free cable material in this example is prepared from raw materials containing the following components and their contents in parts by weight: 60 parts of ethylene-vinyl acetate copolymer, 40 parts of fluorosilicone rubber, 20 parts of terpene resin, polyphenylene ether 30 parts of resin, 15 parts of functional compatibilizer, 70 parts of halogen-free flame retardant, 10 parts of reinforcing agent, 6 parts of peroxide crosslinking agent, 9 parts of stabilizer, 1 part of lubricant and 1 part of antioxidant.

[0049] Among them, the content of vinyl acetate in the ethylene-vinyl acetate copolymer used is 25 wt%, and its melt index is about 20 g / 10min (190°C, 2.16 kg); the fluorosilicone rubber used is commercially available FSR8440-U ; The terpene resin used is commercially available TP1115; the molding shrinkage of the polyphenylene ether resin used is ≤0.7%, and its volume resistivity is >1000 Ω.cm under the conditions of 23°C and 50% relative humidi...

Embodiment 3

[0055] The low-smoke halogen-free cable material in this example is prepared from raw materials containing the following components and their contents in parts by weight: 54 parts of ethylene-vinyl acetate copolymer, 32 parts of fluorosilicone rubber, 14 parts of terpene resin, polyphenylene ether 20 parts of resin, 10 parts of functional compatibilizer, 56 parts of halogen-free flame retardant, 6 parts of reinforcing agent, 4 parts of peroxide crosslinking agent, 4 parts of stabilizer, 0.6 part of lubricant and 0.4 part of antioxidant.

[0056] Among them, the content of vinyl acetate in the ethylene-vinyl acetate copolymer used is 18 wt%, and its melt index is about 11 g / 10min (190°C, 2.16 kg); the fluorosilicone rubber used is commercially available FSR8460-U ; The terpene resin used is commercially available TP1125; the molding shrinkage rate of the polyphenylene ether resin used is ≤0.7%, and its volume resistivity is >1000 Ω.cm under the conditions of 23°C and 50% relativ...

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Abstract

The invention relates to a low-smoke halogen-free cable material containing a novel functional compatilizer and preparation thereof. The cable material is prepared from the following raw materials in parts by weight: 50-60 parts of an ethylene-vinyl acetate copolymer, 20-40 parts of fluorinated silicone rubber, 10-20 parts of terpene resin, 15-30 parts of polyphenyl ether resin, 6-15 parts of a functional compatilizer, 50-70 parts of a halogen-free flame retardant, 5-10 parts of a reinforcing agent, 2-6 parts of a peroxide cross-linking agent, 3-9 parts of a stabilizer, 0.5-1 part of a lubricant and 0.2-1 part of an antioxidant. Compared with the prior art, the cable material provided by the invention has the advantages of simple preparation process, good molding processability and physical and mechanical properties, oil stain resistance, heat resistance, cold resistance, aging resistance, water resistance, acid and alkali resistance, chemical reagent resistance, excellent electrical insulation property, heat resistance and flame retardance, the working performance and service life of a cable are guaranteed, the safety and reliability of the cable in use are greatly improved, and industrial production can be realized.

Description

technical field [0001] The invention belongs to the technical field of wires and cables, and relates to a low-smoke halogen-free cable material containing a novel functional compatibilizer and its preparation. Background technique [0002] With the rapid development of economic construction, the continuous improvement of people's living standards, and the rapid development of various infrastructures in urban and rural areas, the demand for various types of cables is increasing. Cables are the carrier of power transmission and the basis for ensuring the normal operation of electrical products. , plays the role of transmitting power, transmitting information and realizing electromagnetic energy conversion in electrical products. Cable material is an essential material for making cables, and its performance directly affects the transmission quality of various energies and signals, and the service life of cables. [0003] The existing conventional cable materials on the market ...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L83/08C08L45/00C08L71/12C08L51/00C08L87/00C08K13/06C08K9/06C08K3/34C08K7/08C08K5/17C08K5/523C08K7/26H01B3/44
CPCC08L23/0853H01B3/441C08L2201/02C08L2201/08C08L2201/22C08L2205/08C08L2203/202C08L2205/035
Inventor 崔曾涛崔增波
Owner LANGFANG CUISHI CABLE MATERIAL CO LTD