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125 DEG C irradiation crosslinked EPCV photovoltaic halogen-free flame-retardant sheath material and preparation method thereof

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

Active Publication Date: 2014-01-22
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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  • 125 DEG C irradiation crosslinked EPCV photovoltaic halogen-free flame-retardant sheath material and preparation method thereof
  • 125 DEG C irradiation crosslinked EPCV photovoltaic halogen-free flame-retardant sheath material and preparation method thereof
  • 125 DEG C irradiation crosslinked 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

The invention discloses a 125 DEG C irradiation crosslinked EPCV photovoltaic low-smoke halogen-free sheath cable material. The material is mainly prepared from the following raw materials in parts by weight: 10-20 parts of ethylene-propylene-diene monomer; 0-5 parts of a thermoplastic elastomer; 0-25 parts of polyethylene; 0-15 parts of an ethylene-vinyl acetate copolymer; 1-5 parts of a compatibilizer; 45-65 parts of aluminum hydroxide; 1-3 parts of a stabilizer; and 1-3 parts of a silicone master batch. The product has excellent oil proof performance and excellent flame retardant performance, has extremely low smoke release quantity during combustion, enables the light transmittance in smoke to reach more than 90%, moreover, has excellent mechanical properties and weather resistance, and completely meets the UL4703-2010 standard performance requirements.

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 Applications(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
CPCC08J3/28B29B7/40B29C48/875B29C48/92B29C2948/92704B29C2948/92895C08J3/203C08J3/226C08J2323/16C08J2423/06C08J2423/08C08J2431/04C08J2483/04C08K2003/2227C08L23/06C08L23/08C08L23/0853C08L23/16C08L51/06H01B3/28H01B3/44H01B7/295B29B9/06B29C48/022C08J3/246C08J2323/06C08K2201/014C08L2201/02C08L2201/22C08L2203/202C08L2205/025C08L2205/035C08L2207/04C08L2207/066C08L2312/06H01B3/441C08L23/0815C08L83/04C08K13/06C08K9/06C08K5/098C08K5/1345C08K3/36C08L31/04
Inventor 罗超华范伟伟范魏魏
Owner JIANGSU DASHENG POLYMER
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