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Extinction type thermoplastic elastomer for preparation of wire and cable

A thermoplastic elastomer and cable technology, which is applied in the field of thermoplastic elastomers, can solve the problems of uneven dispersion, affect the mechanical properties of materials, and reduce the fluidity of materials, and achieve good results.

Active Publication Date: 2014-04-02
NINGBO QINGHU ELASTOMER SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the invention achieves the above-mentioned purpose mainly by using a matting agent in the cable material, and the use of the matting agent is a filling-type matting, which will lead to uneven dispersion and affect the mechanical properties of the material; in addition, the addition of silica as a material will lead to A large drop in fluidity affects processing

Method used

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  • Extinction type thermoplastic elastomer for preparation of wire and cable
  • Extinction type thermoplastic elastomer for preparation of wire and cable
  • Extinction type thermoplastic elastomer for preparation of wire and cable

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Embodiment Construction

[0018] Below in conjunction with embodiment the present invention is described in further detail.

[0019] The styrene-based elastomer is selected from SEPS 4044 (Kuraray, Japan), SEBS 1654 (Kraton, USA).

[0020] The propylene-based resin is selected from polypropylene PPH900F (manufacturer SK, Korea).

[0021] The styrene-based resin is selected from high impact polystyrene HIPS, 484H (Dow, USA).

[0022] The dynamically vulcanized thermoplastic elastomer is selected from TPV 201-55 (AES, USA).

[0023] Cross-linkable resins are high-density polyethylene HDPE, SBS, EPDM. High-density polyethylene HDPE B5429 (SABIC of Saudi Arabia); SBS 3G33 (BSF of Germany); EPDM 4770 (DuPont of the United States).

[0024] The crosslinking agent is an organic peroxide, 2,5-dimethyl-2,5 (tert-butyl peroxy) hexane (bis-pentasulfide).

[0025] Mineral oil is naphthenic oil with a flash point higher than 200°C, specifically KN4010 naphthenic oil from Karamay Refinery.

[0026] Antioxidant ...

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Abstract

The invention discloses an extinction type thermoplastic elastomer for preparation of a wire and a cable. The extinction type thermoplastic elastomer is characterized by being preparing from the following raw material components by weight percent: 20-60% of styrene elastomer, 20-50% of mineral oil, 0-40% of reinforcing agent, 5-40% of extinction modification material, 0.1-1% of antioxidant, 0.1-1% of processing aid and 5-20% of mineral filling material, wherein the reinforcing agent is at least one of allyl resin and styryl resin, and the extinction modification material is dynamically-vulcanized thermoplastic elastomer or crosslinkable resin / crosslinking agent composition. The extinction type thermoplastic elastomer has the advantages that the crosslinkable resin / crosslinking agent composition or thermoplastic vulcanized rubber is adopted in a basic material, thus the matt effect is good, and the mechanical property and flowability of the material are not influenced.

Description

technical field [0001] The invention relates to a thermoplastic elastomer, in particular to a matting type thermoplastic elastomer used in the preparation of electric wires and cables. Background technique [0002] Thermoplastic elastomers are gradually replacing PVC and rubber materials for the preparation of various cables and wires due to their good wear resistance, oil resistance, flexibility, elasticity, thermal stability and other mechanical properties. . After the existing thermoplastic elastomers are prepared into wires and cables, they usually have a bright surface. In some specific applications, people hope that the surface gloss of the wires or cables should be as low as possible, which is commonly referred to as having Good "matte" finish. Chinese Invention Patent Application Publication No. 200810038561.3 published on December 9, 2009 introduces an environmentally friendly flame-retardant thermoplastic polyurethane elastomer cable material, which has a good "m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K13/02
Inventor 史伟才应建波项赛飞
Owner NINGBO QINGHU ELASTOMER SCI & TECH
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