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Fiber- reinforced polyphenylene sulfide/polyamide alloy material and preparation method thereof

A polyphenylene sulfide and fiber-reinforced technology, which is applied in the field of fiber-reinforced polyphenylene sulfide/polyamide alloy materials and its preparation, can solve the problems of material performance degradation, unusable antistatic agents, and lack of antistatic properties. problems, achieve excellent mechanical properties, reduce production costs, and improve toughness

Inactive Publication Date: 2013-11-13
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high processing temperature of PPS, commonly used antistatic agents cannot be used at this processing temperature, and the addition of conductive carbon black will lead to a large decline in material performance. Chinese patent CN101921485A discloses an antistatic composite fiber reinforced PPS material and its preparation method, the material has excellent mechanical properties and certain antistatic properties; Chinese patent CN101134847B describes a PPS / PA composite material and its preparation method, which improves the impact toughness of the material and reduces the cost of the material, but the Material is not antistatic

Method used

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  • Fiber- reinforced polyphenylene sulfide/polyamide alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Weigh 25 parts of PA66, 25 parts of PPS, 25 parts of chopped polyacrylonitrile-based carbon fiber, 25 parts of chopped glass fiber, 0.5 part of antioxidant ST3615, 0.7 part of lubricant PETs, 0.5 part of lubricant GM-100, 0.7 parts of coupling agent KH590, 0.8 parts of coupling agent TTS;

[0034] (2) Mix the above weighed PA66, PPS, ST3615, PETs, GM-100, KH590 and TTS evenly;

[0035] (3) Then, enter the twin-screw extruder, add 25 parts of chopped polyacrylonitrile-based carbon fiber and 25 parts of glass fiber at the side feeding port of the extruder, the temperature of the first zone is 220~250℃, and the temperature of the second zone is 260~ 280°C, the temperature of the third zone is 270~280°C, the temperature of the fourth zone is 280~290°C, the temperature of the fifth zone is 280~290°C, the temperature of the sixth zone is 280~290°C, the temperature of the die is 270~280°C, extrusion cooling, drying, Diced;

[0036] (4) Dry the obtained particles at 100°C...

Embodiment 2

[0038] (1) Weigh and dry 56 parts of PPS, 14 parts of PA, 15 parts of chopped pitch-based carbon fiber, 15 parts of chopped glass fiber, 0.7 part of antioxidant ST3611, 0.7 part of lubricant PETs, 0.5 part of KH590 and 0.5 part of TTS;

[0039] (2) Mix the above weighed PA66, PPS, ST3611, PETs, KH590 and TTS evenly;

[0040] (3) Then enter the twin-screw extruder, add 15 parts of chopped glass fiber and 15 parts of chopped pitch-based carbon fiber at the side feeding port of the extruder, the temperature of the first zone is 220~250℃, and the temperature of the second zone is 260~280 ℃, the temperature in the third zone is 270~280℃, the temperature in the fourth zone is 280~290℃, the temperature in the fifth zone is 280~290℃, the temperature in the sixth zone is 280~290℃, the temperature of the head is 270~280℃, extrusion cooling, drying, cutting grain;

[0041] (4) The obtained particles are dried at 100°C for 6 hours, and injection molded. The temperature of the injection ...

Embodiment 3

[0043] (1) Weigh and dry 42 parts of PPS, 18 parts of PA66, 20 parts of chopped polyacrylonitrile-based carbon fiber, 20 parts of chopped glass fiber, 0.6 part of antioxidant 412s, 0.7 part of lubricant PETs, 0.3 part of lubricant GM-100, 0.6 parts of KH590 and 0.6 parts of TTS;

[0044] (2) Mix the above weighed PA66, PPS, 412s, PETs, GM-100, KH590 and TTS evenly;

[0045] (3) Then enter the twin-screw extruder, add 20 parts of chopped polyacrylonitrile-based carbon fiber and 20 parts of chopped glass fiber at the side feeding port of the extruder, the temperature of the first zone is 220~250 ℃, and the temperature of the second zone is 260 ~280℃, the temperature of the third zone is 270~280℃, the temperature of the fourth zone is 280~290℃, the temperature of the fifth zone is 280~290℃, the temperature of the sixth zone is 280~290℃, the temperature of the die is 270~280℃, extrusion cooling and drying , diced;

[0046] (4) Dry the obtained particles at 100°C for 5 hours, and...

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Abstract

The invention belongs to the technical field of polymer materials, and relates to a fiber-reinforced polyphenylene sulfide / polyamide alloy material and a preparation method thereof. The material comprises the following components by weight: 25-56 parts of polyphenylene sulfide, 10-35 parts of polyamide 66, 15-25 parts of carbon fibers, 15-25 parts of glass fibers, 0.5-0.7 parts of an antioxidant, 0.7-1.2 parts of a lubricant and 1-1.5 parts of a coupling agent. In the PPS / PA66 alloy material provided by the invention, the carbon fibers are used for reinforcing conductivity of the material, without reducing the mechanical properties of the material. The material has excellent mechanical properties as well as antistatic properties. The cost of the material is relatively low due to the compound of the fibers and the addition of PA66.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and relates to a fiber-reinforced polyphenylene sulfide / polyamide alloy material and a preparation method thereof. Background technique [0002] Polyphenylene sulfide is abbreviated as PPS in English. It is a special engineering plastic with excellent comprehensive performance. Its consumption ranks sixth among engineering plastics, only after the five general-purpose engineering plastics. PPS resin has the advantages of excellent heat resistance, chemical resistance, electrical insulation, heat and humidity resistance, etc. After being reinforced with glass fiber, the material also has excellent mechanical properties. However, PPS has low impact strength, poor toughness, high melt viscosity, poor processing performance, and relatively high cost. These shortcomings limit the application of PPS in the field of mid-end products. Polyamide (PA) 66 is one of the five major engineering plas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02C08L77/06C08K13/04C08K7/14C08K7/06B29C47/92B29C45/77B29C45/78B29C48/92
CPCB29B7/90B29B9/14B29C48/40B29C48/875B29C48/92B29C2948/92704B29C2948/92895
Inventor 杨桂生郭雪晴孙利明
Owner HEFEI GENIUS NEW MATERIALS
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