Polyphenylene sulfide/polyether sulfone-based compound material and preparation method thereof as well as wear-resistant part prepared from polyphenylene sulfide/polyether sulfone-based compound material

A technology of composite materials and polyphenylene sulfide, which is applied in the direction of mechanical equipment, bearing components, engine components, etc., can solve the problems of insufficient research on material properties and lack of guiding significance in production, and achieve low preparation costs, wide application range, The effect of improving brittleness

Inactive Publication Date: 2011-06-15
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in this literature only for Nano-CaCO 3 The amount used in composite materials was discussed, but the amount of PC and GF used in composite materials was not discussed, so it has no guiding significance for actual production. At the same time, this article only discusses Nano-CaCO 3 The improvement of PPS brittleness has not discussed the issue of improving the wear resistance of composite materials, so the research on material properties is insufficient

Method used

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  • Polyphenylene sulfide/polyether sulfone-based compound material and preparation method thereof as well as wear-resistant part prepared from polyphenylene sulfide/polyether sulfone-based compound material
  • Polyphenylene sulfide/polyether sulfone-based compound material and preparation method thereof as well as wear-resistant part prepared from polyphenylene sulfide/polyether sulfone-based compound material
  • Polyphenylene sulfide/polyether sulfone-based compound material and preparation method thereof as well as wear-resistant part prepared from polyphenylene sulfide/polyether sulfone-based compound material

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preparation example Construction

[0045] The present invention also provides an embodiment of the preparation method of the above-mentioned PPS / PES-based composite material, comprising the following steps:

[0046] (a) First treat potassium titanate with coupling agent and dry it. For this purpose, you can use 1-3% of the weight of potassium titanate whiskers to mix evenly with potassium titanate after hydrolysis, and then dry it. , the preferred drying temperature is 90-110°C, the coupling agent is selected from, but not limited to KH550, KH570, and the use of other commonly used coupling agents in the industry does not affect the realization of the present invention;

[0047] (b) 30-50% PPS, 20-50% PES, 10-30% treated PTW, 8-12% PTFE and appropriate amount of processing aids are mixed and dried;

[0048] (c) using a mixer for mixing for 2-3 hours;

[0049] (d) After extrusion, pelletizing and drying, the product is formed. The extrusion step can be realized by any high-temperature twin-screw extruder; the ...

Embodiment 1

[0052] (a) Treat potassium titanate whiskers with the hydrolyzed coupling agent KH550 and bake at 100°C for 2 hours;

[0053] (b) The PPS of 37.5% by weight, the PES of 37.5%, the PTW of 15% processing and the PTFE of 10%, the antioxidant 1010 of 0.3%, the mineral oil of antioxidant 168 of 0.3% and 1% After mixing, dry in a drying oven at a temperature of 110°C for 2 hours;

[0054] (c) Adopt TM2 type vortex type high-efficiency mixer to mix materials for 3 hours;

[0055] (d) Twin-screw extrusion, blending, granulation and drying at 120° C. for 3 hours, followed by product molding with a high-temperature injection molding machine.

[0056] Taking the preparation of 1000g PPS / PES-based composite material as an example, first treat 150g potassium titanate with 4.5g coupling agent KH550 and dry it, then 375gPPS, 375gPES, 100g PTFE, treated potassium titanate whiskers, 3g The antioxidant 1010, 3g of antioxidant 168 and 10g of mineral oil were weighed according to the formula an...

Embodiment 2

[0058] (a) Treat potassium titanate whiskers with the hydrolyzed coupling agent KH550 and bake at 100°C for 2 hours;

[0059] (b) the weight percentage is 42% PPS, 28% PES, 20% processed PTW and 10% PTFE, 0.3% antioxidant 1010, 0.3% antioxidant 168 and 1% mineral oil After mixing, dry in a drying oven at a temperature of 110° C. for 2 hours;

[0060] (c) Adopt TM2 type vortex type high-efficiency mixer to mix materials for 3 hours;

[0061] (d) Twin-screw extrusion, blending, granulation and drying at 120° C. for 3 hours, followed by product molding with a high-temperature injection molding machine.

[0062] Taking the preparation of 1000g PPS / PES-based composite material as an example, first treat 200g potassium titanate with 6.0g coupling agent KH550 and dry it, then 420gPPS, 260gPES, 100g PTFE, treated potassium titanate whiskers, 3g The antioxidant 1010, 3g of antioxidant 168 and 10g of mineral oil were weighed according to the formula and mixed, dried in a drying oven a...

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Abstract

The invention provides a polyphenylene sulfide / polyether sulfone-based compound material which comprises the following components in percentage by weight: 30-50% of polyphenylene sulfide, 20-50% of polyether sulfone, 10-30% of potassium titanate processed by a coupling agent, 8-12% of teflon and a proper amount of processing agent, and the polyphenylene sulfide / polyether sulfone-based compound material is used for preparing various high temperature resistant wear-resistant parts. Compared with the existing polyphenylene sulfide or polyether sulfone compound material, the abrasive resistance and heat resistance of the polyphenylene sulfide / polyether sulfone-based compound material are obviously improved, and the polyphenylene sulfide / polyether sulfone-based compound material has the advantages of simple preparation process, low cost, wide use application and highlight application value.

Description

technical field [0001] The invention relates to the field of new materials, in particular to a polyether type wear-resistant composite material with a mixture of polyphenylene sulfide and polyether sulfone as a matrix, a preparation method, and a wear-resistant part prepared therefrom. Background technique [0002] Polyphenylene sulfide (Polyphenylene sulfite, referred to as PPS) is a kind of high crystallinity thermoplastic special engineering plastics. Excellent corrosion resistance, flame retardancy, dimensional stability, adhesion and ease of processing. It is expected to be widely used in electrical and electronic, automobile, machinery, aerospace, chemical and other fields. However, pure PPS has problems such as high brittleness, poor toughness, high mold temperature during the molding process, unstable viscosity during melting, and easy oxidation and crosslinking in air under high temperature conditions. [0003] Due to the above-mentioned defects and cost factors o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/00C08K13/06C08K7/08C08L27/18C08L81/02C08K9/06F16C33/20B29B9/06C08L81/06
Inventor 龙春光李融峰林海佳粟洋龚建彬华熳煜曹太山莫雪华陈建兵卢文郁李洪辉
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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