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A preparation method of oil-resistant, highly flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material

A high flame retardant and cable material technology, applied in the direction of circuits, electrical components, plastic/resin/wax insulators, etc., can solve the inability to completely solve the compatibility between inorganic flame retardants and high polymer resins, material aging or degradation, etc. question

Active Publication Date: 2020-10-23
OPTA POLYMER JIANGSU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the development of the preparation method of oil-resistant and highly flame-retardant irradiation cross-linked low-smoke halogen-free cable materials, the traditional physical blending method cannot completely solve the problem of compatibility between inorganic flame retardants and polymer resins, resulting in The oxygen free radicals in the polymer resin are more likely to react with the groups with lower bond energy in the polymer resin, thus aging or degrading the material

Method used

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  • A preparation method of oil-resistant, highly flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material
  • A preparation method of oil-resistant, highly flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material
  • A preparation method of oil-resistant, highly flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material

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Embodiment 1

[0043] An oil-resistant, high-flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material. In terms of mass percent, the components and the content of each component are: ethylene-vinyl acetate copolymer 22%, ethylene-acrylate copolymer 8% %, DOPO 38%, TAIC 18%, inorganic flame retardant 13%, initiator 0.7%, and antioxidant additive 0.3%. The sum of the mass percentages of each component is 100%.

[0044]Among them, the melt index of ethylene-vinyl acetate copolymer is 3.2g / 10min, the purity of DOPO is 97%, the purity of TAIC is 96%, the inorganic flame retardant is aluminum hydroxide; the initiator is DCP, the purity is 96.3%; The agent is tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester, N,N'-bis[3-(3,5-di-tert-butyl-4-hydroxy Phenyl)propionyl]hydrazine and N,N"'-1,2-ethanediylbis[N-[3-[4,6-bis[butyl(1,2,2,6,6-pentamethyl Base-4-piperidinyl)amino]-1,3,5-triazin-2-yl]amino]propyl]-N,N”-dibutyl-N,N”-di(1,2, 2,6,6-pentamethyl-...

Embodiment 2

[0064]An oil-resistant, high-flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material. In terms of mass percent, the components and the content of each component are: ethylene-vinyl acetate copolymer 26.5%, ethylene-acrylate copolymer 10% %, DOPO 39%, TAIC 20%, inorganic flame retardant 2%, initiator 2%, and antioxidant additive 0.5%. The sum of the mass percentages of each component is 100%.

[0065] Among them, the melt index of ethylene-vinyl acetate copolymer is 3.2g / 10min; the purity of DOPO is 97%, the purity of TAIC is 96%, and the inorganic flame retardant is aluminum hydroxide; the initiator is DCP, and the purity is 96.3%; The agent is tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester, N,N'-bis[3-(3,5-di-tert-butyl-4-hydroxy Phenyl)propionyl]hydrazine and N,N"'-1,2-ethanediylbis[N-[3-[4,6-bis[butyl(1,2,2,6,6-pentamethyl Base-4-piperidinyl)amino]-1,3,5-triazin-2-yl]amino]propyl]-N,N”-dibutyl-N,N”-di(1,2, 2,6,6-pent...

Embodiment 3

[0084] An oil-resistant, high-flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material. In terms of mass percent, the components and the content of each component are: ethylene-vinyl acetate copolymer 27%, ethylene-acrylate copolymer 13% %, DOPO 35%, TAIC16%, inorganic flame retardant 7%, initiator 1.5%, and antioxidant additive 0.5%. The sum of the mass percentages of each component is 100%.

[0085] Wherein, the melt index of ethylene-vinyl acetate copolymer is 3.2g / 10min, and melt index is 3.0g / 10min; DOPO purity 97%, TAIC purity 97%, inorganic flame retardant is aluminum hydroxide; Initiator is DCP, The purity is 96.3%; the antioxidant additives are tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester, N,N'-bis[3-(3,5- Di-tert-butyl-4-hydroxyphenyl)propionyl]hydrazine and N,N"'-1,2-ethanediylbis[N-[3-[4,6-bis[butyl(1,2, 2,6,6-pentamethyl-4-piperidinyl)amino]-1,3,5-triazin-2-yl]amino]propyl]-N,N”-dibutyl-N,N "-bis(1,2,2,6,6...

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Abstract

The invention discloses a preparation method of an oil-resistant high-flame-retardant irradiation-crosslinking low-smoke zero-halogen cable material. According to t formula, the cable material contains the following components by weight percent (100% in total): 20%-30% of an ethylene-vinyl acetate copolymer, 8%-14% of an ethylene-acrylate copolymer, 30%-40% of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 10%-20% of 1,3,5-triallyl-s-triazine-2,4,6-trione, 2%-15% of aluminium hydroxide, 0.5%-3% of an initiator and 0.3%-0.5% of an antioxidant. The oil-resistant high-flame-retardant irradiation-crosslinking low-smoke zero-halogen cable material prepared by virtue of the preparation method has very excellent oil resistance and a very obvious flame-retardant effect.

Description

technical field [0001] The invention belongs to the technical field of cable material preparation, and in particular relates to a method for preparing an oil-resistant, high-flame-retardant, radiation-crosslinked, low-smoke, halogen-free cable material. Background technique [0002] In recent years, with the country's emphasis on environmental protection and safety, low-smoke halogen-free flame-retardant cables are required in some large buildings or public places, such as large shopping malls, entertainment venues, subways, stations, ships, and nuclear power plants. This has led to a rapid increase in the demand for low-smoke, halogen-free, flame-retardant cable materials in recent years. According to rough statistics, the output of halogen-free flame-retardant cable materials in the Yangtze River Delta region alone reached about 100,000 tons in 2009. It can be seen that the domestic halogen-free flame-retardant cable materials have grown from the rise of the late 1990s to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/08C08K13/02C08K5/5313C08K5/3492C08K3/22H01B3/44B29C48/92
CPCB29C48/92B29C2948/92704C08K2003/2227C08L23/0853C08L2201/02C08L2201/22C08L2203/202C08L2312/06H01B3/441C08L23/0869C08K13/02C08K5/5313C08K5/3492C08K3/22
Inventor 张成刘家成徐鑫森
Owner OPTA POLYMER JIANGSU
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