A wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and its preparation method

A technology of polyphenylene sulfide and composition, which is applied in the field of carbon fiber reinforced polyphenylene sulfide composition and its preparation, and can solve problems affecting the performance of carbon fiber reinforced polyphenylene sulfide composite materials, low content of glass beads, and affecting carbon fibers, etc.

Active Publication Date: 2021-09-07
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method uses hollow glass microspheres to improve the wear resistance and impact resistance of carbon fiber reinforced polyphenylene sulfide composite materials, and uses polyamide to further increase the impact strength of the material, but the broken problem of hollow glass microspheres will affect carbon fiber reinforced polyphenylene sulfide composites. The improvement of the performance of the sulfide composite material, and the low glass bead content of the material will also affect the improvement of the performance of the carbon fiber reinforced polyphenylene sulfide composite material

Method used

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  • A wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and its preparation method
  • A wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and its preparation method
  • A wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and its preparation method

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Embodiment 1

[0032] A wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and a preparation method thereof, the method comprising the following steps:

[0033] (1) Weigh each component by weight: PPS1: 45, carbon fiber: 30, glass beads: 30, LDPE: 5, antioxidant, 0.5; among them, PPS1 is MI (316 ° C * 5kg) is 300g / 10min of PPS; carbon fiber is Toray’s T700, the particle size of the glass beads is 2um, the weight average molecular weight of LDPE is 3000, and the antioxidants are antioxidant 1010 and antioxidant 168 produced by CIBA.

[0034] (2) After mixing PPS1 and antioxidant, feed it from the main feed port of the extruder, and feed carbon fiber and glass microspheres from the side feed port separately, and melt and extrude at 280-310 °C, screw extruder The rotational speed is 500rpm, the pressure is 2MPa, and the product is obtained through melt extrusion and granulation.

Embodiment 2

[0036] A wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and a preparation method thereof, the method comprising the following steps:

[0037] (1) Weigh each component by weight: PPS1: 55, carbon fiber: 30, glass microspheres: 10, LDPE: 5, antioxidant 0.3; among them, PPS1 is MI (316 ° C * 5kg) is 300g / 10min The carbon fiber is Toray's T700, the particle size of the glass beads is 2um, the weight average molecular weight of LDPE is 3000, and the antioxidant is antioxidant 1010 and antioxidant 168 produced by CIBA.

[0038] (2) After mixing PPS1 and antioxidant, feed it from the main feeding port of the extruder, feed carbon fiber and glass microspheres from the side feeding port, melt and extrude at 280-310 °C, and screw extruder The rotational speed is 500rpm, the pressure is 2MPa, and the product is obtained through melt extrusion and granulation.

Embodiment 3

[0040] A wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and a preparation method thereof, the method comprising the following steps:

[0041](1) Weigh each component by weight: PPS1: 47, carbon fiber: 20, glass beads: 20, LDPE: 3, antioxidant 0.1-1; among them, PPS1 is MI (316°C*5kg) is 300g The PPS of / 10min; carbon fiber is T700 of Toray, the particle diameter of glass bead is 2um, the weight-average molecular weight of LDPE is 3000, and antioxidant is the antioxidant 1010, antioxidant 168 that CIBA company produces.

[0042] (2) After mixing PPS1 and antioxidant, feed it from the main feed port of the extruder, and feed carbon fiber and glass microspheres from the side feed port separately, and melt and extrude at 280-310 °C, screw extruder The rotational speed is 500rpm, the pressure is 2MPa, and the product is obtained through melt extrusion and granulation.

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Abstract

The invention relates to a wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and a preparation method thereof. The raw materials include the following components in parts by weight: PPS resin 40-90, carbon fiber 10-30, glass microspheres 10-90 30. Low-density polyethylene 1-5, antioxidant 0.1-1; the preparation method is: mix PPS resin, low-density polyethylene and antioxidant and feed it from the main feeding port of the extruder; mix carbon fiber and glass The microbeads are respectively fed from the feeding port on the side of the extruder; blended and granulated by the extruder to obtain the wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition. Compared with the prior art, the invention has the advantages of high flexural modulus, good toughness, flame retardancy, no obvious scratches on the surface after being scratch-resistant, and good wear resistance.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a wear-resistant and flame-retardant carbon fiber reinforced polyphenylene sulfide composition and a preparation method thereof. Background technique [0002] Polyphenylene sulfide is widely used in the automotive and electronics industries due to its excellent heat resistance, fluidity, flame retardancy and electrical properties. However, the mechanical properties of a single polyphenylene sulfide material are not ideal, which limits its application range. Carbon fiber is an organic fiber material, which can usually be made into a composite material with resin, which can greatly enhance the mechanical properties of the resin, and can greatly reduce the weight of the composite material. Carbon fiber-reinforced polyphenylene sulfide has ultra-high rigidity, can replace metal, has low density, strong rigidity, and is easy to process. After the carbon fiber is added with polypheny...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L81/02C08L23/06C08K13/04C08K7/06C08K7/20C08J5/04
Inventor 柏莲桂李强辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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