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Polyetheretherketone/polyimide/polyphenyl thioether ternary alloy and preparation method thereof

A technology of polyimide and polyether ether ketone, which is applied in the field of polyetheretherketone/polyimide/polyphenylene sulfide ternary alloy and its preparation, can solve the problem of high price of a single product in the market and achieve improvement Performance, overcome the effect of expensive, simple molding process

Active Publication Date: 2013-10-30
SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purpose of the present invention is to prepare a cost-effective polyether ether ketone / polyimide / polyphenylene sulfide ternary alloy based on the limitations of the performance of a single type of special engineering plastics and the high price of a single product in the market. Materials to fully meet the needs of engineering applications in terms of performance and price

Method used

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  • Polyetheretherketone/polyimide/polyphenyl thioether ternary alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh the ingredients according to the following weights:

[0029] 90 parts of polyether ether ketone,

[0030] 5 parts polyimide,

[0031] 5 parts polyphenylene sulfide,

[0032] Weigh the raw materials of each component according to the above weight, dry the weighed polyether ether ketone, polyimide, and polyphenylene sulfide at 100-140°C for 2-6 hours; then stir in a high-speed mixer for 5-15 minutes Mix uniformly; put the uniformly mixed material into a twin-screw extruder, extrude and pelletize at a temperature of 300-370°C, and the screw speed is at 10-30r / min, cool, pelletize, and dry to obtain polyether ether ketone / poly Imide / polyphenylene sulfide ternary alloy pellets.

Embodiment 2

[0034] Weigh the ingredients according to the following weights:

[0035] 5 parts polyether ether ketone,

[0036] 90 parts of polyimide,

[0037] 5 parts polyphenylene sulfide,

[0038] Weigh the raw materials of each component according to the above weight, dry the weighed polyether ether ketone, polyimide, and polyphenylene sulfide at 100-140°C for 2-6 hours; then stir in a high-speed mixer for 5-15 minutes Mix uniformly; put the uniformly mixed material into a twin-screw extruder, extrude and pelletize at a temperature of 300-370°C, and the screw speed is at 10-30r / min, cool, pelletize, and dry to obtain polyether ether ketone / poly Imide / polyphenylene sulfide ternary alloy pellets.

Embodiment 3

[0040] Weigh the ingredients according to the following weights:

[0041] 5 parts polyether ether ketone,

[0042] 5 parts polyimide,

[0043] 90 parts of polyphenylene sulfide,

[0044] Weigh the raw materials of each component according to the above weight, dry the weighed polyether ether ketone, polyimide, and polyphenylene sulfide at 100-140°C for 2-6 hours; then stir in a high-speed mixer for 5-15 minutes Mix uniformly; put the uniformly mixed material into a twin-screw extruder, extrude and pelletize at a temperature of 300-370°C, and the screw speed is at 10-30r / min, cool, pelletize, and dry to obtain polyether ether ketone / poly Imide / polyphenylene sulfide ternary alloy pellets.

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Abstract

The invention belongs to the technical field of high-molecular materials, and particularly relates to a polyetheretherketone / polyimide / polyphenyl thioether ternary alloy and a preparation method thereof. The polyetheretherketone / polyimide / polyphenyl thioether ternary alloy is prepared from the following components in parts by weight: 5-90 parts of polyetheretherketone, 5-90 parts of polyimide and 5-90 parts of polyphenyl thioether. The preparation method comprises the following steps of: weighing all the components, and carrying out heat drying; stirring the obtained components in a high-speed stirrer, and uniformly mixing; and adding the obtained uniformly mixed materials to a double-screw extruder, extruding, granulating, cooling, dicing, and drying. The polyetheretherketone / polyimide / polyphenyl thioether ternary alloy disclosed by the invention has the advantages that the defect of property limit in an existing single material is overcome, the cost is reduced, the integrated advantage of the materials are better exerted, the defect of high price of the single material is overcome through blending and compounding and the cost is reduced. The preparation method disclosed by the invention is simple in forming process and suitable for continuous industrial production.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a polyether ether ketone / polyimide / polyphenylene sulfide ternary alloy and a preparation method thereof. Background technique [0002] Polyetheretherketone (PEEK), polyimide (TPI) and polyphenylene sulfide (PPS) are all high-performance special engineering plastics. Because of their outstanding performance and production characteristics, they are used as structural materials or as Functional materials, whose huge application prospects have been fully recognized, are widely used in aerospace, automobile manufacturing, electrical and electronic, medical and food processing and other fields. [0003] However, PEEK, as a semi-crystalline polymer, has a melting point (Tm) of 343°C, but a glass transition temperature (Tg) of only 143°C. When the temperature is higher than Tg, the strength and modulus decrease rapidly. . Therefore, the application of PEEK is limi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/16C08L79/08C08L81/02B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/40B29C48/911
Inventor 周一新
Owner SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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