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TPEE (thermoplastic polyester elastomer)/TPU (thermoplastic polyurethane elastomer)/PTFE (polytetrafluoroethylene) composite cable material and preparation method

A composite cable and elastomer technology, used in insulated cables, plastic/resin/wax insulators, cables, etc., can solve problems affecting the application field of TPEE polyester elastomers, and achieve excellent mechanical properties, chemical solvent resistance The effect of high wear resistance

Active Publication Date: 2017-02-15
ANHUI UNIVERSITY OF ARCHITECTURE +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under low strain conditions, TPEE has excellent fatigue resistance and low hysteresis loss. This feature combined with high elasticity makes this material an ideal material under multiple cyclic load conditions. For high wear resistance, low smoke and no smoke The industrial production of TPEE as the main material for halogen super-flexible cable materials has not yet appeared, which will inevitably affect the application field of TPEE polyester elastomers

Method used

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  • TPEE (thermoplastic polyester elastomer)/TPU (thermoplastic polyurethane elastomer)/PTFE (polytetrafluoroethylene) composite cable material and preparation method
  • TPEE (thermoplastic polyester elastomer)/TPU (thermoplastic polyurethane elastomer)/PTFE (polytetrafluoroethylene) composite cable material and preparation method

Examples

Experimental program
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Embodiment 1

[0026] In this embodiment, the raw material composition of the halogen-free flame-retardant super soft wear-resistant TPEE / TPU / PTFE composite cable material includes (wt%): TPEE 35%; TPU 20%; PTFE 5%; MCA 29.5%; Montmorillonite 5% %; polyethylene wax 4%; antioxidant 1680.4%; light stabilizer UV-9 (2-hydroxy-4-methoxybenzophenone) 0.1%, ultraviolet absorber UV-P 2-(2ˊ-hydroxy -5'-methylphenyl)benzotriazole 1%.

Embodiment 2

[0028] In this embodiment, the raw material composition of the halogen-free flame-retardant super soft wear-resistant TPEE / TPU / PTFE composite cable material includes (wt%): TPEE 35%; TPU 20%; PTFE 10%; MCA 24.5%; Montmorillonite 5%; polyethylene wax 4%; antioxidant 1680.4%; light stabilizer UV-9 (2-hydroxy-4-methoxybenzophenone) 0.1%, ultraviolet absorber UV-P 2-(2ˊ- Hydroxy-5'-methylphenyl)benzotriazole 1%.

Embodiment 3

[0030] In this embodiment, the raw material composition of the halogen-free flame-retardant super soft and wear-resistant TPEE / TPU / PTFE composite cable material includes (wt%): TPEE 35%; TPU 20%; PTFE 15%; MCA 24.5%; Montmorillonite 2%; polyethylene wax 2%; antioxidant 1680.4%; light stabilizer UV-9 (2-hydroxy-4-methoxybenzophenone) 0.1%, ultraviolet absorber UV-P 2-(2ˊ- Hydroxy-5'-methylphenyl)benzotriazole 1%.

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Abstract

The invention discloses a TPEE (thermoplastic polyester elastomer) / TPU (thermoplastic polyurethane elastomer) / PTFE (polytetrafluoroethylene) composite cable material and a preparation method. The composite cable material consists of the following components in percentage by weight: 20 to 60 percent of TPEE, 20 to 40 percent of TPU, 5 to 25 percent of PTFE, 20 to 45 percent of a flame retardant, 1 to 10 percent of a flame retardant synergist, 1 to 5 percent of a lubricating agent, 0.2 to 1.0 percent of an antioxidant, 0.05 to 0.3 percent of a light stabilizer and 1 to 3 percent of an ultraviolet absorbent, wherein the TPU is a polyether type polyurethane elastomer; the PTFE is low-density microporous polytetrafluoroethylene. The composite cable material provided by the invention reaches the UL94V-0 grade, and has excellent mechanical property, high oil resistance, high wear resistance, high ageing resistance, high high-temperature / low-temperature resistance, high chemical solvent resistance, excellent resilience force, high toughness and high strength.

Description

technical field [0001] The invention relates to a thermoplastic elastomer cable material, in particular to a TPEE / TPU / PTFE composite cable material and a preparation method. Background technique [0002] Thermoplastic polyester elastomer (TPEE) is a block copolymer containing polyester hard segments and polyether soft segments. Among them, the polyether soft segment and the uncrystallized polyester form an amorphous phase, and the polyester hard segment partially crystallizes to form a crystalline microdomain, which acts as a physical crosslinking point. Because thermoplastic polyester elastomers have the advantages of excellent elasticity of rubber and ease of processing, impact resistance, oil resistance, and chemical solvent corrosion resistance of thermoplastics. With the continuous expansion of TPEE application fields, the requirements for other special functions are also getting higher and higher, especially in the fields of automotive electrical systems, railways, wi...

Claims

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Application Information

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IPC IPC(8): C08L67/00C08L75/08C08L27/18C08L23/06C08K13/02C08K3/34C08K5/526C08K5/132C08K5/3475C08K5/3492C08K5/52H01B7/295H01B3/42H01B3/30
CPCC08L67/00C08L2201/02C08L2201/22C08L2203/202C08L2205/035H01B3/302H01B3/421H01B7/295C08L75/08C08L27/18C08L23/06C08K13/02C08K3/346C08K5/526C08K5/132C08K5/3475C08K5/34924C08K5/5205
Inventor 胡先海刘曼莉汪传斌王射林丁运生
Owner ANHUI UNIVERSITY OF ARCHITECTURE