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High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof

A high-glow wire and alloy material technology, applied in the field of PBT/ABS alloy materials, can solve the problem of not being suitable for low-voltage electronic capacitor shells, etc., and achieve the effects of reducing friction coefficient, short residence time, and preventing decomposition.

Inactive Publication Date: 2011-06-29
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 these compound systems are not suitable for low-voltage electronics Capacitor housings, load break switches, motor housings, terminal boards

Method used

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  • High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof

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Effect test

Embodiment 3

[0028] A method for preparing a high-glow wire environment-friendly flame-retardant reinforced PBT / ABS alloy material is characterized in that the method is as follows: raw materials are weighed according to the weight ratio: PBT 22.5%, its intrinsic viscosity is 0.88dL / g, ABS 22.5% %, compound flame retardant 20%, antimony trioxide 4.8%, glass fiber 20%, commercially available ethylene-methyl acrylate-glycidyl methacrylate random terpolymer 10%, antioxidant ( 1330) 0.1%, silicone 0.1%; put it into a high mixer and mix for 2 minutes, discharge, and then use a twin-screw extruder to extrude and pelletize. The processing temperature is 230°C and the screw speed is 30HZ.

[0029] The compound flame retardant is formed by mixing three components, and its mass percentage is BPS: 50%; MPP: 25%; talcum powder: 25%.

Embodiment 4

[0031] A method for preparing a high-glow wire environment-friendly flame-retardant reinforced PBT / ABS alloy material is characterized in that the method is as follows: raw materials are weighed according to the weight ratio: PBT 25%, its intrinsic viscosity is 0.90dL / g, ABS 41 %, compound flame retardant 6%, antimony trioxide 3%, glass fiber 21%, commercially available ethylene-methyl acrylate-glycidyl methacrylate random terpolymer 2%, antioxidant ( 1330) 1%, silicone 1%; put it into a high mixer and mix for 5 minutes, discharge, and then use a twin-screw extruder to extrude and pelletize. The processing temperature is 240°C and the screw speed is 40HZ.

[0032] The compound flame retardant is formed by mixing three components, and its mass percentage is BPS: 50%; MPP: 25%; talcum powder: 25%.

[0033] The glass fiber is an alkali-free glass fiber, and the glass fiber is added into the silane coupling agent to make its surface treated with the silane coupling agent.

Embodiment 5

[0035] A method for preparing a high-glow wire environment-friendly flame-retardant reinforced PBT / ABS alloy material is characterized in that the method is as follows: raw materials are weighed according to the weight ratio: PBT 23%, its intrinsic viscosity is 0.88dL / g, ABS 23% , compound flame retardant 6%, antimony trioxide 15%, glass fiber 30%, commercially available ethylene-methyl acrylate-glycidyl methacrylate random terpolymer 2%, antioxidant (1330 ) 0.5%, silicone 0.5%; put it into a high mixer and mix for 3 minutes, discharge, and then use a twin-screw extruder to extrude and pelletize. The processing temperature is 235°C and the screw speed is 35HZ.

[0036] The compound flame retardant is formed by mixing three components, and its mass percentage is BPS: 50%; MPP: 25%; talcum powder: 25%.

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Abstract

The invention relates to a high glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT) / acrylonitrile butadiene styrene (ABS) alloy material. The material comprises the following components in percentage by weight: 22.5-41% of PBT, 22.5-41% of ABS, 6-20% of complexing inflaming retardant, 3-15% of antimonous oxide, 20-30% of glass fiber, 2-10% of flexibilizer, 0.1-1% of antioxidant and 0.1-1% of lubrication dispersing agent. The preparation method comprises the following steps: putting raw materials weighed based on the weight proportion into a high mixer, mixing for 2-5 minutes, and then discharging; and then extruding and granulating by using an extruding machine at the processing temperature of 230-240 DEG C at the screw rotating speed of 30-40Hz. Compared with the alloy material prepared by the prior art, the high glowing filament environment-friendly inflaming retarding reinforced PBT / ABS alloy material has the advantages of high glowing filament temperature, environmental friendliness, balanced comprehensive performance and the like.

Description

technical field [0001] The invention relates to a PBT / ABS alloy material, in particular to a high-glow wire environment-friendly flame-retardant reinforced PBT / ABS alloy material and a preparation method thereof. Background technique [0002] PBT is a milky white translucent to opaque, crystalline thermoplastic polyester. It has high heat resistance, toughness, fatigue resistance, self-lubrication, low friction coefficient, weather resistance, low water absorption, only 0.1%, and still maintains various physical properties (including electrical properties) and electrical insulation in a humid environment. Good formability. The disadvantage is that the notched impact strength is low and the molding shrinkage is large. Therefore, most of them are reinforced by glass fiber or modified by inorganic filling, the tensile strength and bending strength can be more than doubled, and the heat distortion temperature is also greatly increased. It can work at 140°C for a long time, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L55/02C08K13/04C08K3/34C08L25/06C08L85/02
Inventor 陈晓东郭建鹏杨涛蔡爽
Owner SHANGHAI SUNNY
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