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Polyphenylene sulfide composite material and preparation method thereof

A polyphenylene sulfide and composite material technology, applied in the field of polymer materials, can solve problems such as easy accumulation of static charges, affecting production, life or work, fire or explosion, etc.

Inactive Publication Date: 2015-05-27
SHENZHEN XINGSHENGDI NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used toughening methods for PPS include elastomer toughening, inorganic particle toughening, and alloying toughening. Although the existing toughening methods can improve its toughness, they lose the rigidity and heat resistance of the material. It is easy to accumulate static charge after contacting or rubbing with other substances, and the negative effects brought about by the accumulation of static charge seriously affect production, life or work, and sometimes even cause fire or explosion, resulting in the application of PPS materials is still limited

Method used

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  • Polyphenylene sulfide composite material and preparation method thereof
  • Polyphenylene sulfide composite material and preparation method thereof
  • Polyphenylene sulfide composite material and preparation method thereof

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preparation example Construction

[0037] Such as figure 1 As shown, the preparation method of polyphenylene sulfide composite material in one embodiment can be used to prepare the above-mentioned polyphenylene sulfide. The preparation method of this polyphenylene sulfide comprises the steps:

[0038] Step S110: Weigh the following raw materials in parts by mass: 60-80 parts of polyphenylene sulfide, 20-40 parts of polyamide, 5-10 parts of compatibilizer, 0.5-1 part of antioxidant, 10-20 parts of conductive additive 20-40 parts of filler, 0.5-1 part of coupling agent and 0.4-0.8 parts of lubricant.

[0039] Wherein, the polyphenylene sulfide may be polyphenylene sulfide with a brand name of 1140A6NC from Japan Baoli Company.

[0040] The polyamide is preferably polyamide 46, eg PA46 of type G2000E from Teijin Corporation.

[0041] Wherein, the compatibilizer is styrene-ethylene-butadiene-styrene block copolymer grafted maleic anhydride (SEBS-g-MAH).

[0042] The antioxidant is preferably N,N-1,6-hexylene-bis[...

Embodiment 1

[0054] The preparation steps of the polyphenylene sulfide composite material of the present embodiment are as follows:

[0055] (1) Take the following raw materials according to the mass percentage:

[0056]

[0057] (2) Dry mix polyphenylene sulfide, polyamide 46, compatibilizer, antioxidant 1098, superconducting furnace carbon black, alkali-free glass fiber, silane coupling agent and oxidized polyethylene wax in a high-speed mixer 12 minutes, obtain mixture, wherein, compatibilizer is styrene-ethylene-butadiene-styrene block copolymer graft maleic anhydride (SEBS-g-MAH), wherein, the monofilament diameter of alkali-free glass fiber 9 to 17 microns.

[0058] (3) Put the mixture in a twin-screw extruder, melt extrude, cool, pelletize and package to obtain the polyphenylene sulfide composite material of this embodiment. Among them, the screw speed of the extruder is 400rpm, the temperature of the first zone of the twin-screw extruder is 230°C, the temperature of the second...

Embodiment 2

[0062] The preparation steps of the polyphenylene sulfide composite material of the present embodiment are as follows:

[0063] (1) Take the following raw materials according to the mass percentage:

[0064]

[0065] (2) Dry mix polyphenylene sulfide, polyamide 46, compatibilizer, antioxidant 1098, superconducting furnace carbon black, alkali-free glass fiber, silane coupling agent and oxidized polyethylene wax in a high-speed mixer 10 minutes, obtain mixture, wherein, compatibilizer is styrene-ethylene-butadiene-styrene block copolymer grafted maleic anhydride (SEBS-g-MAH), wherein, the monofilament diameter of alkali-free glass fiber 9 to 17 microns.

[0066] (3) Put the mixture in a twin-screw extruder, melt extrude, cool, pelletize and package to obtain the polyphenylene sulfide composite material of this embodiment. Among them, the screw speed of the extruder is 400rpm, the temperature of the first zone of the twin-screw extruder is 230°C, the temperature of the seco...

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Abstract

The invention relates to a polyphenylene sulfide composite material and a preparation method thereof. The polyphenylene sulfide composite material is prepared from the following raw materials in parts by weight: 60-80 parts of polyphenylene sulfide, 20-40 parts of polyamide, 5-10 parts of a compatilizer, 0.5-1 part of an antioxidant, 10-20 parts of a conductivity improver, 20-40 parts of filler, 0.5-1 part of a coupling agent and 0.4-0.8 part of a lubricant, wherein the compatilizer is a styrene-vinyl-butadiene-styrene segmented copolymer grafted maleic anhydride. The polyphenylene sulfide composite material has relatively good rigidity, heat resistance and anti-static performance.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a polyphenylene sulfide composite material and a preparation method thereof. Background technique [0002] Polyphenylene sulfide (PPS) has excellent thermal stability, flame retardancy, corrosion resistance and electrical properties, as well as good mechanical properties and dimensional stability, and is widely used in electronics, machinery manufacturing, automobile manufacturing, In the fields of chemical instrumentation and aerospace industry, however, due to its own structure, the toughness of pure PPS is poor, the glass transition temperature (Tg) of the amorphous part is low (85-90°C), and when the service temperature exceeds 90°C for a long time It is prone to creep, which limits the application range of PPS. In order to broaden the application field of PPS, it is necessary to modify PPS in terms of toughening and strengthening. Commonly used toughening methods...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02C08L77/06C08L51/00C08L23/30C08K13/06C08K9/06C08K7/14C08K5/20C08K3/04
CPCC08L81/02C08L2201/04C08L2201/08C08L2205/035C08L2205/08C08L77/06C08L51/00C08L23/30C08K13/06C08K9/06C08K3/04C08K7/14C08K5/20
Inventor 许第修包含
Owner SHENZHEN XINGSHENGDI NEW MATERIALS
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