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Flame-retardant glass fiber-reinforced HIPS/PPO material with high CTI value and high GWIT value

A technology of alloy materials and glass fiber, which is applied in the field of HIPS/PPO alloy materials, can solve the problems of low CTI value and GWIT value, unsuitable electricity environment, etc., to improve oxidation resistance, reduce friction coefficient, and improve impact performance Effect

Inactive Publication Date: 2013-04-03
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some traditional methods are (GF+decabromodiphenylethane+antimony trioxide) compound system, (GF+brominated polystyrene+antimony trioxide) compound system, but the CTI value and GWIT of these compound systems The value is not high, not suitable for high-demand electricity environment

Method used

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  • Flame-retardant glass fiber-reinforced HIPS/PPO material with high CTI value and high GWIT value
  • Flame-retardant glass fiber-reinforced HIPS/PPO material with high CTI value and high GWIT value
  • Flame-retardant glass fiber-reinforced HIPS/PPO material with high CTI value and high GWIT value

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Effect test

Embodiment 1

[0015] This embodiment relates to an environmentally friendly flame-retardant glass fiber reinforced HIPS / PPO alloy material with a high CTI value and a high GWIT value and a preparation method thereof.

[0016] The components of the alloy material and the weight percentage of each component are: HIPS 41%, PPO 22%, compound flame retardant 6%, antimony trioxide 8.8%, glass fiber 20%, SEBS 2 %, antioxidant (1330) 0.1%, iron oxide 0.1%.

[0017] The preparation method of the alloy material includes the following steps: weighing each component according to the following components and their weight percentages: HIPS 41%, PPO 22%, compound flame retardant 6%, antimony trioxide 8.8%, 20% of glass fiber, 2% of SEBS, 0.1% of antioxidant (1330), 0.1% of iron oxide; put into high mixer and mix for 2 minutes, discharge, then extrude and granulate with twin-screw extruder, processing temperature At 240°C, the rotation speed of the screw is 30Hz; the temperature of each section of the scr...

Embodiment 2

[0020] This embodiment relates to an environmentally friendly flame-retardant glass fiber reinforced HIPS / PPO alloy material with a high CTI value and a high GWIT value and a preparation method thereof.

[0021] The components of the alloy material and their weight percent content are: HIPS 23%, PPO 41%, compound flame retardant 7%, antimony trioxide 3%, glass fiber 21%, SEBS 3 %, antioxidant (1330) 1%, iron oxide 1%.

[0022] The preparation method of the alloy material includes the following steps: weighing each component according to the following components and their weight percentages: HIPS 23%, PPO 41%, compound flame retardant 7%, antimony trioxide 3%, 21% glass fiber, 3% SEBS, 1% antioxidant (1330), 1% iron oxide; put it in a high-mixer and mix for 5 minutes, discharge, and then extrude and granulate with a twin-screw extruder, processing temperature At 230°C, the rotation speed of the screw is 40Hz; the temperature of each section of the screw extruder is shown in Ta...

Embodiment 3

[0026] This embodiment relates to an environmentally friendly flame-retardant glass fiber reinforced HIPS / PPO alloy material with a high CTI value and a high GWIT value and a preparation method thereof.

[0027] The components of the alloy material and the weight percentage of each component are: HIPS 25%, PPO 25%, compound flame retardant 8%, antimony trioxide 5%, glass fiber 30%, SEBS 6 %, antioxidant (1330) 0.5%, iron oxide 0.5%.

[0028] The preparation method of the alloy material includes the following steps: weighing each component according to the following components and their weight percentages: HIPS 25%, PPO 25%, compound flame retardant 8%, antimony trioxide 5%, 30% of glass fiber, 6% of SEBS, 0.5% of antioxidant (1330), 0.5% of iron oxide; mixed in a high mixer for 3 minutes, discharged, and then extruded and granulated with a twin-screw extruder, the processing temperature At 220°C, the rotation speed of the screw is 35Hz; the temperature of each section of the ...

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Abstract

The invention discloses a flame-retardant glass fiber-reinforced HIPS / PPO material with a high CTI value and a high GWIT value. The alloy material comprises the following components by weight: 23 to 41% of HIPS, 22 to 41% of PPO, 6 to 15% of a compound fire retardant, 3 to 10% of antimonony oxide, 20 to 30% of a glass fiber, 2 to 9% of a toughening agent, 0.1 to 1% of an anti-oxidant and 0.1 to 1% of an oxide. A preparation method for the material comprises the following steps: weighing the components in proportion, adding the weighed components into a high-speed mixer for mixing for 2 to 5 min, then carrying out discharging and finally carrying out extrusion granulation in a twin-screw extruder, wherein processing temperature is 220 to 240 DEG C and screw revolution is 30 to 40 Hz. The material provided by the invention has the advantages of a high CTI value, a high GWIT value, environment-friendliness and balanced comprehensive properties and can be used for low-voltage electronic capacitor shells, load break switches, carbon brush supports and molded case circuit breakers.

Description

technical field [0001] The invention relates to a HIPS / PPO alloy material, in particular to a flame-retardant glass fiber reinforced HIPS / PPO alloy material with high CTI value and high GWIT value. Background technique [0002] PPO is one of the five general-purpose engineering plastics in the world. It has the advantages of high rigidity, high heat resistance, flame retardant, high strength and excellent electrical properties. In addition, polyphenylene ether also has the advantages of wear resistance, non-toxicity, and pollution resistance. The dielectric constant and dielectric loss of PPO are one of the smallest varieties among engineering plastics, and they are hardly affected by temperature and humidity, and can be used in low, medium and high frequency fields. The load deflection temperature of PPO can reach above 190°C, and the embrittlement temperature is -170°C. As one of the world's five general-purpose engineering plastics, PPO material is non-toxic and has lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/04C08L71/12C08L25/06C08K13/06C08K9/06C08K7/14C08K3/22C08K3/32C08K3/34C08K5/13B29B9/06B29C47/92B29C48/92
CPCB29C48/40B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 郭建鹏黄晓明
Owner SHANGHAI SUNNY
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