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Flame-retardant TPE cable insulation material or sheathing material with electromagnetic shielding function and preparing method thereof

A cable insulation and electromagnetic shielding technology, applied in the direction of organic insulators, magnetic/electric field shielding, insulators, etc., can solve problems such as abnormal use, instrument, instrument interference, etc., to reduce usage, improve compatibility, and improve use safety sexual effect

Inactive Publication Date: 2018-08-28
ADVANCED THERMOPLASTIC POLYMER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, electromagnetic interference will also cause interference to instruments and meters, resulting in abnormal use, especially in the field of medical equipment, where the precision of instruments is high, and the electromagnetic interference generated by cables is the main reason for affecting the normal operation of instruments

Method used

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  • Flame-retardant TPE cable insulation material or sheathing material with electromagnetic shielding function and preparing method thereof
  • Flame-retardant TPE cable insulation material or sheathing material with electromagnetic shielding function and preparing method thereof
  • Flame-retardant TPE cable insulation material or sheathing material with electromagnetic shielding function and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A flame-retardant TPE cable insulation material or sheath material with electromagnetic shielding function, comprising the following raw materials in parts by weight:

[0053]

[0054] The SEBS is a styrene-ethylene-butylene-styrene block copolymer with a styrene unit content of 40%, an ethylene unit content of 30%, and a butene unit content of 30%.

[0055] The PP is a homopolypropylene with a Rockwell hardness of 90 and a melt index of 5g / 10min at a temperature of 230°C; the POE is an ethylene-octene copolymer with a hardness of 70A and an octene unit content of 20%; the The PE is low-density polyethylene; the oil is white oil with a flash point of 200°C.

[0056] The graphene is graphene whose surface is treated with a coupling agent.

[0057] The graphene is single-layer graphene.

[0058] The flame retardant is a halogen-free flame retardant; the halogen-free flame retardant is ammonium phosphate, ammonium polyphosphate, modified ammonium polyphosphate, alumin...

Embodiment 2

[0067] A flame-retardant TPE cable insulation material or sheath material with electromagnetic shielding function, comprising the following raw materials in parts by weight:

[0068]

[0069] The SEPS is a styrene-ethylene-propylene-styrene block copolymer with a styrene unit content of 40%, an ethylene unit content of 30%, and a propylene unit content of 30%.

[0070] The PP is a block copolymer polypropylene with a Rockwell hardness of 100 and a melt index of 8g / 10min at a temperature of 230°C; the POE is an ethylene-octene copolymer with a hardness of 75A and an octene unit content of 22%; The PE is linear low-density polyethylene; the oil is naphthenic oil with a flash point of 220°C.

[0071] The graphene is graphene whose surface is treated with a coupling agent.

[0072] The graphene is multilayer graphene, and the number of layers of the multilayer graphene is 2 layers.

[0073] The flame retardant is a mixture of a halogen-containing flame retardant and a synergi...

Embodiment 3

[0082] A flame-retardant TPE cable insulation material or sheath material with electromagnetic shielding function, comprising the following raw materials in parts by weight:

[0083]

[0084]

[0085] The SEBS is a styrene-ethylene-butylene-styrene block copolymer with a styrene unit content of 50%, an ethylene unit content of 25%, and a butene unit content of 25%.

[0086] The PP is a random copolymerized polypropylene with a Rockwell hardness of 105 and a melt index of 12g / 10min at a temperature of 230°C; the POE is an ethylene-octene copolymer with a hardness of 78A and an octene unit content of 25%; The PE is metallocene linear low-density polyethylene; the oil is white mineral oil with a flash point of 250°C.

[0087] The graphene is graphene whose surface is treated with a coupling agent.

[0088] The graphene is multilayer graphene, and the number of layers of the multilayer graphene is 10 layers.

[0089] The flame retardant is a halogen-free flame retardant; t...

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Abstract

The invention relates to the technical field of cable materials, in particular to a flame-retardant TPE cable insulation material or sheathing material with an electromagnetic shielding function and apreparing method thereof. The TPE cable insulation material or sheathing material is prepared from, by weight, 20-40 parts of SEBS or SEPS, 10-30 parts of PP, 10-30 parts of POE, 5-20 parts of PE, 20-40 parts of oil, 5-45 parts of graphene, 5-35 parts of flame retardant, 0.5-5 parts of compatilizer, and 0.02-0.1 part of antioxygen. The flame-retardant PVC cable insulation material or sheathing material has the electromagnetic shielding function, the shielding effectiveness (SE) value of the flame-retardant PVC cable insulation material or sheathing material can reach 17-50 db, the flame-retardant effect is excellent, the vertical burning test of a single cable can reach V0 level, the strength is high, the tensile strength can reach 17 MPa or above, the flexibility is good, the elongationat break is high and can reach 470% or above, and the mechanical performance is excellent.

Description

technical field [0001] The invention relates to the technical field of cable materials, in particular to a flame-retardant TPE cable insulation material or sheath material with electromagnetic shielding function and a preparation method thereof. Background technique [0002] At present, cables are widely used in the fields of power systems, information transmission, and instrumentation systems. However, the cable covering materials made of traditional polymer material PVC are prone to fire and combustion during use, causing fires. Due to the The chlorine content is as high as 60%, which produces fumes of toxic gases such as hydrogen halides and carbon monoxide during combustion. [0003] TPE (Thermoplastic Elastomer) is the abbreviation of thermoplastic elastomer. It is a material with high elasticity, high strength and high resilience of rubber, and can be processed by injection molding. It has both the processing performance of thermoplastics and the properties of vulcaniz...

Claims

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Application Information

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IPC IPC(8): C08L53/02C08L91/00C08L23/12C08L23/08C08L23/06C08L51/06C08L51/00C08L23/14C08L35/06C08K13/06C08K9/06C08K7/00C08K3/04C08K3/32C08K5/3492C08K5/06C08K5/02C08K5/03C08K3/22C08K3/38C08K3/34H05K9/00H01B3/44
CPCC08K2003/2255C08K2003/2272C08K2003/322C08K2003/323C08K2003/387C08L53/025C08L91/00C08L2201/02C08L2203/202C08L2205/025C08L2205/035C08L2207/066C08L2207/14H01B3/441H01B3/442H05K9/0081C08L23/12C08L23/0815C08L23/06C08L51/06C08K13/06C08K9/06C08K7/00C08K3/04C08K3/32C08K5/34922C08L53/02C08L51/006C08K5/06C08K5/02C08K5/03C08K3/2279C08K3/22C08L23/14C08L35/06C08K3/38C08K3/346
Inventor 李同兵黄有为刘悦钟荣栋
Owner ADVANCED THERMOPLASTIC POLYMER TECH
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