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Poly-arylene ether nitrile composite material, poly-arylene ether nitrile bar and preparation method thereof

A technology for poly(arylene ether nitrile) and composite materials is applied in the fields of poly(arylene ether nitrile) rods and their preparation, and poly(arylene ether nitrile) composite materials. Effect

Inactive Publication Date: 2010-05-26
SICHUAN FEIYA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Polyarylether nitrile products used in the above fields are generally manufactured by injection molding, but some products have many sizes and specifications, resulting in many molds for injection molding and high production costs

Method used

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  • Poly-arylene ether nitrile composite material, poly-arylene ether nitrile bar and preparation method thereof
  • Poly-arylene ether nitrile composite material, poly-arylene ether nitrile bar and preparation method thereof
  • Poly-arylene ether nitrile composite material, poly-arylene ether nitrile bar and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Get 5640 grams of polyarylene ether nitrile, 180 grams of phthalonitrile prepolymers, 120 grams of graphite and 60 grams of silicon carbide whiskers and blend evenly and join in the single-screw extruder to control the extrusion of the single-screw extruder. The outlet temperature is 330-350°C, so that they are plasticized in the screw to obtain molten materials. Through the head of the extruder, the molten material is extruded into the mouth die through the filter plate, and then directly enters the cooling and calibrating sleeve. The length of the sizing sleeve is 120mm, and the diameter is D42mm. Under the joint action of the back pressure rod of the traction device and the extruder, the polyarylene ether nitrile melt moves forward at a constant speed, and is cooled and shaped by the sizing sleeve, so that the diameter is D41mm? mm polyarylether nitrile rods.

[0044] After the polyarylene ether nitrile rod is cut, it is placed in a box-type annealing furnace for a...

Embodiment 2

[0052] As in Example 1, only the formula is changed to 3780 grams of polyarylether nitrile, 300 grams of phthalonitrile prepolymer, 120 grams of graphite and 1800 grams of glass fiber are evenly blended and then added to the single-screw extruder, the same According to the method and process, polyarylether nitrile rods are obtained.

[0053] The roundness of the bar prepared in this embodiment is studied, and the diameter of the bar is measured at 5 different points on the prepared bar cross-section, and the results are as follows:

[0054] The polyarylene ether nitrile rod diameter data that table 3 embodiment 1 prepares

[0055]

[0056] The polyarylene ether nitrile bar performance data prepared by the embodiment 1 of table 4

[0057]

[0058]It can be seen from Tables 3 and 4 that the prepared polyarylene ether nitrile rods have a uniform cross-section and have high mechanical strength and heat resistance.

Embodiment 3

[0060] As in Example 1, just replace the formula with 4380 grams of polyarylether nitrile, 300 grams of phthalonitrile prepolymer, 120 grams of polytetrafluoroethylene and 1200 grams of carbon fiber and add them to the single-screw extruder after blending evenly , the same method and process to obtain polyarylether nitrile rods.

[0061] The roundness of the bar prepared in this embodiment is studied, and the diameter of the bar is measured at 5 different points on the prepared bar cross-section, and the results are as follows:

[0062] Table 5 polyarylene ether nitrile rod diameter data

[0063]

[0064] Table 6 polyarylether nitrile rod performance data

[0065]

[0066] It can be seen from Tables 5 and 6 that the prepared polyarylene ether nitrile rods have a uniform cross-section and have high mechanical strength and heat resistance.

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Abstract

The invention belongs to the fields of a plastic products and sectional materials thereof, in particular to a poly-arylene ether nitrile composite material, a poly-arylene ether nitrile bar and a preparation method thereof. The technical problem to be solved in the invention is to provide the poly-arylene ether nitrile composite material suitable for extrusion molding. The poly-arylene ether nitrile composite material contains the following components in parts by weight: 63 to 100 parts of poly-arylene ether nitrile, 3 to 5 parts of plasticizers, 2 to 4 parts of lubricants and 0.05 to 30 parts of fillers. The poly-arylene ether nitrile composite material can be used for preparing the poly-arylene ether nitrile bars or plates by extrusion molding, and then the poly-arylene ether nitrile bars or plates can be used for preparing various parts in the fields of aerospace, automobiles, machinery, chemical industry and the like.

Description

technical field [0001] The invention belongs to the field of plastic products and profiles thereof, and in particular relates to a polyarylether nitrile composite material, a polyarylether nitrile rod and a preparation method thereof. Background technique [0002] Polyarylene ether nitriles (PEN) is a kind of semi-crystalline polymer with nitrile groups on the side chain, which was first developed for the needs of national defense and cutting-edge technology since the 1980s. It is a kind of structural polymer material with excellent comprehensive performance, which has excellent characteristics such as high heat resistance, flame retardancy, mechanical strength, UV protection and creep resistance. Since its commercialization, it has been widely used in aerospace, automobile, electrical and electronic, chemical industry, machinery and other fields. Polyarylether nitrile products used in the above fields are generally manufactured by injection molding, but some products have ...

Claims

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Application Information

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IPC IPC(8): C08L71/10C08L79/04C08K13/02C08K13/04C08K5/3417C08K3/04C08K3/30C08K7/14C08K7/06C08K7/10B29C47/00B29C47/78B29K71/00B29C48/793B29C48/06
CPCB29C48/06B29C48/793
Inventor 钟家春余兴江刘孝波任伟李岳山
Owner SICHUAN FEIYA NEW MATERIAL
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