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Low-smoke halogen-freeflame-proof polyphenylene oxide electric wire and cable material, and method for producing the same

A technology of wire and cable material and polyphenylene ether, which is applied in the field of low-smoke, halogen-free flame-retardant polyphenylene ether wire and cable material and its preparation, can solve problems such as poor melting fluidity, non-compliance with requirements, hard wire and cable, etc., and achieve electrical insulation Good, improve binding force, good effect of water resistance

Inactive Publication Date: 2008-02-27
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although polyphenylene ether (PPO) material has excellent comprehensive mechanical properties, electrical properties, water resistance, etc., the wires and cables made of it will appear very hard and inelastic, and its melt fluidity is too poor. Does not meet the requirements of the wire and cable industry for polymer materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0027] A method for preparing a low-smoke halogen-free flame-retardant polyphenylene ether wire and cable material as described above, comprising the steps of:

[0028] Step 1: Weigh PPO, HIPS, elastomer, and functionalized polyphenylene ether in parts by mass and stir in a high-speed mixer at 70°C for 30 minutes;

[0029] Step 2: Weigh the flame retardant, smoke suppressant, antioxidant and environmentally friendly masterbatch by mass parts, put them into the high-speed mixer, and dry mix with the materials mixed in step 1 for 3 to 5 minutes;

[0030] Step 3: Put the mixed raw materials in step 2 into the feeding hopper of the twin-screw extruder, control the feeding speed to 20-100rpm / min, the screw speed to 200-450rpm / min, the processing temperature to 200-230°C, and the residence time 2 to 3 minutes, the pressure is 12 to 18 MPa, melted and extruded into a thread, cooled, and then granulated to obtain the finished product.

[0031] For the convenience of further understan...

Embodiment 1

[0033] Weigh (parts) PPO 60, HIPS 30, neoprene rubber 40, maleic anhydride grafted PPO 10, phosphorus nitrogen compound flame retardant 30, magnesium oxide 10, antioxidant 1010 1, environmental protection color Master batch 3, first mix PPO, HIPS, neoprene and maleic anhydride grafted PPO in a high-speed mixer, then add phosphorus nitrogen compound flame retardant, magnesium oxide, antioxidant 1010, environmental color Masterbatch, after fully mixing, extrude and granulate with a co-rotating twin-screw extruder. The fifth section is 230°C, the sixth section is 230°C, the seventh section is 230°C, the die head temperature is 230°C; the strands are watered and cut into pellets.

[0034] Halogen-free flame-retardant PPO wire and cable materials prepared according to the above formula and process:

[0035] Tensile strength 23MPa, elongation at break 250%, melt index 4.4g / 10min, specific gravity 1.14g / cm 3 , Shaw's D-type hardness is 61, and the flame retardant has passed the VW-...

Embodiment 2

[0037] Weigh (parts) PPO 60, HIPS 30, nitrile rubber 40, maleic anhydride grafted PPO 10, phosphorus nitrogen compound flame retardant 30, magnesium oxide 10, antioxidant 1010 1, environmental color masterbatch Grain 3.

[0038] First mix PPO, HIPS, nitrile rubber and maleic anhydride grafted PPO in a high-speed mixer, then add phosphorus-nitrogen compound flame retardant, magnesium oxide, antioxidant 1010, and environmentally friendly color masterbatch, fully After mixing, use a co-rotating twin-screw extruder to extrude and granulate. The processing temperature is set at 200°C for the first section, 210°C for the second section, 220°C for the third section, 230°C for the fourth section, and 230°C for the fifth section. ℃, the sixth section is 230℃, the seventh section is 230℃, the die head temperature is 230℃;

[0039] Halogen-free flame-retardant PPO wire and cable materials prepared according to the above formula and process:

[0040] Tensile strength 28MPa, elongation a...

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Abstract

The invention discloses a low smoke non-bitter flame-proof polyphenyl ether electric wire and cable material and preparing method, which is characterized by the following: allocating 40-80 wt polyphenyl ether PPO, 20-60 wt high impact polystyrene HIPS, 10-70 wt elastic body, 1-20 wt functional polyphenyl ether, 10-60 wt fire retardant, 5-20 wt smoke suppressor, 1-3 wt anti-oxidant and 3-5 wt environmental protection color master particle; using higher rigidity, good electrical isolation property and water resistance of the polyphenyl ether material; decreasing hardness of blending system; increasing tenacity; adding into inclusive property; increasing cohesion between the PPO and the elastic body; improving combination mechanical property of the blending material. This product is environmental protection product, which possesses good water resistance property and electrical isolation property.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a low-smoke, halogen-free, flame-retardant polyphenylene ether wire and cable material and a preparation method thereof. Background technique [0002] At present, wires and cables are widely used for the transmission of energy and information. The wire and cable coating materials made of traditional polymer materials are very easy to catch fire due to excessive heat generation of the wires during use, causing fires. At the same time, it will produce a large amount of toxic gas and smoke when burning, which seriously endangers the safety of people's lives and property. Therefore, it has become a development trend to replace traditional polymer materials (PVC) with low-smoke halogen-free wire and cable materials. [0003] Although polyphenylene ether (PPO) material has excellent comprehensive mechanical properties, electrical properties, water resistance, etc., the wires...

Claims

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Application Information

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IPC IPC(8): C08L51/08B29C47/40B29C47/92H01B7/295C08L25/06C08L69/00C08L75/04C08L53/02B29C48/405B29C48/92
CPCB29C48/92B29C2948/92704B29C48/04B29C2948/92514B29C2948/92561B29C2948/9259B29C2948/92828B29C2948/92866B29C2948/92895B29C48/405
Inventor 徐东贺永张世杰
Owner SHENZHEN KEJU NEW MATERIAL
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