A kind of 125 ℃ irradiation cross-linked epcv photovoltaic halogen-free flame retardant sheath material and preparation method thereof

A flame retardant sheath and irradiation technology, applied in plastic/resin/wax insulators, rubber insulators, organic insulators, etc., can solve the problem of inability to achieve low-smoke halogen-free VW-1 flame retardant grade, inconvenient installation, high hardness, etc. problems, to achieve the effects of excellent mechanical properties and weather resistance, excellent flame retardant properties and oil resistance, and low smoke emission

Active Publication Date: 2015-12-23
JIANGSU DASHENG POLYMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, XLPE materials are the most widely used in the field of photovoltaic cables. In the application process, XLPE photovoltaic cable materials have disadvantages such as high hardness, inconvenient installation in small spaces, and inability to achieve low-smoke and halogen-free VW-1 flame retardant levels. place

Method used

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  • A kind of 125 ℃ irradiation cross-linked epcv photovoltaic halogen-free flame retardant sheath material and preparation method thereof
  • A kind of 125 ℃ irradiation cross-linked epcv photovoltaic halogen-free flame retardant sheath material and preparation method thereof
  • A kind of 125 ℃ irradiation cross-linked epcv photovoltaic halogen-free flame retardant sheath material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0068] A low-smoke halogen-free sheathed cable material for 125°C irradiation cross-linked EPCV photovoltaics, which is mainly made of the following raw materials in parts by weight: EPDM: 15 parts; thermoplastic elastomer (TPE): 1 part; polyethylene: 5 parts; ethylene-vinyl acetate copolymer: 10 parts; compatibilizer: 2 parts; aluminum hydroxide 63 parts; stabilizer: 2 parts; silicone masterbatch: 2 parts.

[0069] The ethylene-propylene segment molar ratio of the ethylene-propylene-diene rubber (EPDM) is 60:40, the third monomer is ethylidenebornene, and the mass percentage of the third monomer to the total mass of the three monomers is 3%, The number average molecular weight is 150,000, the Mooney viscosity at 100°C is 50 Pa·s, and the Shore A hardness is 40.

[0070] The thermoplastic elastomer (TPE) is an ethylene-propylene copolymer with a number average molecular weight of 150,000, a Mooney viscosity of 50 Pa·s at 100°C, a Shore A hardness of 60, and a melt index of 1 a...

Embodiment 2

[0086] A low-smoke halogen-free sheathed cable material for 125°C irradiation cross-linked EPCV photovoltaics, mainly made of the following raw materials in parts by weight: EPDM: 12 parts; thermoplastic elastomer (TPE): 2 parts; polyethylene: 10 parts; ethylene-vinyl acetate copolymer: 10 parts; compatibilizer: 2 parts; aluminum hydroxide 60 parts; stabilizer: 2 parts; silicone masterbatch: 2 parts.

[0087] The ethylene-propylene segment molar ratio of the ethylene-propylene-diene rubber (EPDM) is 60:40, the third monomer is ethylidenebornene, and the mass percentage of the third monomer to the total mass of the three monomers is 3%, The number average molecular weight is 150,000, the Mooney viscosity at 100°C is 50 Pa·s, and the Shore A hardness is 40.

[0088] The thermoplastic elastomer (TPE) is an ethylene-propylene copolymer with a number average molecular weight of 150,000, a Mooney viscosity of 50 Pa·s at 100°C, a Shore A hardness of 60, and a melt index of 1 at 190°C...

Embodiment 3

[0104] A low-smoke halogen-free sheathed cable material for 125°C irradiation cross-linked EPCV photovoltaics, which is mainly made of the following raw materials in parts by weight: EPDM: 18 parts; thermoplastic elastomer (TPE): 2 parts; polyethylene: 5 parts; ethylene-vinyl acetate copolymer: 12 parts; compatibilizer: 2 parts; aluminum hydroxide 59 parts; stabilizer: 2 parts; silicone masterbatch: 2 parts.

[0105]The ethylene-propylene segment molar ratio of EPDM is 60:40, the third monomer is ethylidenebornene, and the mass percentage of the third monomer to the total mass of the three monomers is 3%. , the number average molecular weight is 150,000, the Mooney viscosity at 100°C is 50Pa·s, and the Shore A hardness is 40.

[0106] The thermoplastic elastomer (TPE) is an ethylene-propylene copolymer with a number average molecular weight of 150,000, a Mooney viscosity of 50 Pa·s at 100°C, a Shore A hardness of 60, and a melt index of 1-1 at 190°C and 2.16kg. 5g / 10min.

[...

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Abstract

A zero halogen sheath material used for 125°C irradiation cross-linked EPCV photovoltaics, said material being made primarily of the following starting materials, in parts by weight: 10-20 parts of ethylene propylene diene monomer rubber; 0-5 parts of thermoplastic elastomer; 0-25 parts of polyethylene; 0-15 parts of ethylene-vinyl acetate copolymer; 1-5 parts of compatibilizer; 45-65 parts of aluminum hydroxide; 1-3 parts of stabilizer; 1-3 parts of silicone masterbatch. The product has excellent oil repellency properties and flame retardant properties, releases very little smoke during combustion, light transmittance in the smoke can reach more than 90%, and the product also has excellent mechanical properties and weather resistance properties, fully satisfying the performance requirements of UL 4703-2010 standards.

Description

technical field [0001] The invention relates to a low-smoke, halogen-free power cable material and a preparation method thereof, in particular to a low-smoke, halogen-free, flame-retardant sheath material for 125°C irradiation cross-linked EPCV photovoltaics and a preparation method thereof. Background technique [0002] In recent years, with the intensification of the energy crisis and the gradual strengthening of people's awareness of environmental protection, countries around the world have formulated new energy development policies, and the global solar photovoltaic industry has developed rapidly. According to my country's energy development policy, the application of solar energy has been listed as one of the key energy sources for development, and domestic photovoltaic industry projects have been launched continuously, showing a thriving photovoltaic industry boom. In this context, the consumption of photovoltaic cables is also increasing, entering a stable market grow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/16C08L23/06C08L23/08C08L31/04C08L51/06C08K13/06C08K9/06C08K3/22C08K5/098C08K5/134C08K5/5425C08K3/36H01B3/28H01B3/44H01B7/295C08J3/28C08J3/24B29B9/06B29C47/92B29C48/92
CPCC08J3/28B29B7/40B29C48/875B29C48/92B29C2948/92704B29C2948/92895C08J3/203C08J3/226C08J2323/16C08J2423/06C08J2423/08C08J2431/04C08J2483/04C08K2003/2227C08L23/06C08L23/08C08L23/0853C08L23/16C08L51/06H01B3/28H01B3/44H01B7/295
Inventor 罗超华范伟伟范魏魏
Owner JIANGSU DASHENG POLYMER
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