Abstract

A photovoltaic cable sheath material and a preparation method therefor. The photovoltaic cable sheath material comprises, in weight percentage, 20-40% of hyperbranched polyethylene, 40-60% of a flame retardant, 5-10% of maleic anhydride grafted EVA, 1-5% of a stabilizer, 1-5% of a silicone master batch and 1-5% of a silane coupling agent. The photovoltaic cable sheath material has extremely high insulation resistance, excellent flame retardancy, good mechanical strength and smoke density light transmittance, and can fully meet the performance requirements in the IEC62930 standard by means of single vertical combustion.

IPC Classes  ?

• C08L 23/06 - Polyethene
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
• C08K 13/06 - Pretreated ingredients and ingredients covered by the main groups
• C08K 9/10 - Encapsulated ingredients
• C08K 3/22 - OxidesHydroxides of metals
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins

Abstract

Disclosed are a PVC cable material and a preparation method therefor. The PVC cable material comprises the following components in parts by weight: 90-110 parts of a PVC resin, 30-50 parts of dioctyl terephthalate, 5-20 parts of soybean oil epoxide, 10-20 parts of a filler, 1-10 parts of an organic flame retardant, 1-10 parts of an inorganic flame retardant, 3-6 parts of a main antioxidant, 3-6 parts of an auxiliary antioxidant, 1-5 parts of a lubricant, and 1-5 parts of a stabilizer. All the components in the PVC cable material are matched with one another and have a synergistic effect, so not only are the smoke suppression and flame retardance of the cable material effectively improved, but also the mechanical strength of the cable material can be improved, mechanical damage is effectively reduced, and the service life of a cable is prolonged.

IPC Classes  ?

• C08L 27/06 - Homopolymers or copolymers of vinyl chloride
• C08L 91/00 - Compositions of oils, fats or waxesCompositions of derivatives thereof
• C08K 13/06 - Pretreated ingredients and ingredients covered by the main groups
• C08K 9/04 - Ingredients treated with organic substances
• C08K 3/34 - Silicon-containing compounds

Abstract

Provided in the present application are a photovoltaic cable insulating material and a preparation method therefor. The raw materials for the preparation of the photovoltaic cable insulating material comprise the following in weight percentage: 10-30% of metallocene polyethylene, 5-10% of an ethylene-octene copolymer, 40-60% of a flame retardant, 5-10% of maleic anhydride-grafted EVA, 1-5% of silicone masterbatch, 1-5% of a stabilizer and 1-5% of a silane coupling agent.

IPC Classes  ?

• C08L 23/06 - Polyethene
• C08L 23/08 - Copolymers of ethene
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
• C08L 83/04 - Polysiloxanes
• C08K 13/02 - Organic and inorganic ingredients
• C08K 3/22 - OxidesHydroxides of metals
• C08K 3/34 - Silicon-containing compounds
• H01B 3/04 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica

Abstract

Disclosed are a building wire and cable material, and a preparation method therefor. Raw materials for preparing the building wire and cable material comprise, by weight percentage, 10-30% of a linear low-density polyethylene, 5-20% of a thermoplastic elastomer, 0.5-10% of ethylene-propylene-diene monomer, 5-10% of a maleic-anhydride-grafted EVA, 30-40% of aluminum hydroxide and 2-10% of a modified aluminum hypophosphite. The preparation method comprises the following steps: (1) weighing formulation amounts of the above-mentioned raw materials, performing mixing, and then performing internal mixing, melt blending and extrustion to obtain blended particles; and (2) manufacturing the blended particles into a wire, and then subjecting the wire to irradiation crosslinking to obtain a building wire and cable material.

IPC Classes  ?

• C08K 13/06 - Pretreated ingredients and ingredients covered by the main groups
• B29B 7/00 - MixingKneading
• C08K 5/098 - Metal salts of carboxylic acids
• C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
• C08L 23/08 - Copolymers of ethene
• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• B29C 48/05 - Filamentary, e.g. strands
• C08K 3/22 - OxidesHydroxides of metals
• C08K 3/32 - Phosphorus-containing compounds
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond

Abstract

A radiation crosslinked CPE cable material, and a preparation method therefor and use thereof. The radiation crosslinked CPE cable material is prepared of the following raw materials in percentage by weight: 30-50% of chlorinated polyethylene, 40-60% of modified nanometer calcium carbonate, 1-5% of polyethylene wax, and 0.5-5% of a crosslinking agent.

IPC Classes  ?

• C08L 23/28 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
• C08L 23/06 - Polyethene
• C08L 83/04 - Polysiloxanes
• C08K 13/06 - Pretreated ingredients and ingredients covered by the main groups
• C08K 9/04 - Ingredients treated with organic substances
• C08K 3/26 - CarbonatesBicarbonates
• C08K 5/14 - Peroxides
• C08K 5/098 - Metal salts of carboxylic acids
• C08K 5/134 - Phenols containing ester groups
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins

Abstract

The present invention discloses a halogen-free insulated cable material used for 125° C. irradiation cross-linked EPCV photovoltaics and a preparation method thereof. The material is mainly prepared from the following raw materials based on weight parts: 5-20 parts of ethylene propylene diene monomer; 0-25 parts of polyethylene; 0-10 parts of ethylene-vinyl acetate copolymer; 1-5 parts of compatibilizer; 50-75 parts of aluminum hydroxide; 1-5 parts of stabilizer; 1-5 parts of silicone masterbatch. The halogen-free insulated cable material of the present invention has excellent insulating property and flame retardancy, and can achieve the halogen-free flame retardant VW-1, and releases a very low amount of smoke when burning, making a light transmittance of greater than 90% in the smoke, and also has excellent mechanical properties and electrical properties, and can suffer capacitance change rate test at 90° C. for 14 days in water according to UL44, fully meeting the property requirements of UL4703-2010 standard.

IPC Classes  ?

• H01B 3/46 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes silicones
• C08J 3/00 - Processes of treating or compounding macromolecular substances
• C08J 3/28 - Treatment by wave energy or particle radiation
• C08L 23/06 - Polyethene
• C08L 23/08 - Copolymers of ethene
• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame
• H01B 3/28 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• C08J 3/20 - Compounding polymers with additives, e.g. colouring
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
• C08J 3/12 - Powdering or granulating
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules

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.

IPC Classes  ?

• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• C08L 23/06 - Polyethene
• C08L 23/08 - Copolymers of ethene
• C08L 31/04 - Homopolymers or copolymers of vinyl acetate
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
• C08K 13/06 - Pretreated ingredients and ingredients covered by the main groups
• C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
• C08K 3/22 - OxidesHydroxides of metals
• C08K 5/098 - Metal salts of carboxylic acids
• C08K 5/134 - Phenols containing ester groups
• C08K 5/5425 - Silicon-containing compounds containing oxygen containing at least one C=C bond
• C08K 3/36 - Silica
• H01B 3/28 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame
• C08J 3/28 - Treatment by wave energy or particle radiation
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• B29B 9/06 - Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
• B29C 47/92 - Measuring, controlling or regulating

Abstract

The present invention discloses a low-smoke zero-halogen cable insulation material for 125°C irradiation cross-linked EPCV photovoltaics, and method for preparation thereof, said material being made primarily of the following starting materials, in parts by weight: 5-20 parts of ethylene propylene diene monomer rubber; 0-25 parts of polyethylene; 0-10 parts of ethylene-vinyl acetate copolymer; 1-5 parts of compatibilizer; 50-75 parts of aluminum hydroxide; stabilizer: 1-5 parts; 1-5 parts of silicone masterbatch. The zero halogen cable insulation material of the present invention has excellent insulating properties and flame retardant properties, releases very little smoke during combustion, light transmittance in the smoke can reach more than 90%, and the invention also has excellent mechanical and electrical properties, fully satisfying the performance requirements of UL 4703-2010 standards.

IPC Classes  ?

• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• C08L 23/06 - Polyethene
• C08L 23/08 - Copolymers of ethene
• C08K 3/22 - OxidesHydroxides of metals
• C08K 5/00 - Use of organic ingredients
• C08J 3/28 - Treatment by wave energy or particle radiation
• H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame