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High temperature resistant, microwave transparent aluminum hydroxide/polyethersulfone conveyor belt and manufacturing method thereof

A technology of aluminum hydroxide and polyethersulfone is applied in the field of conveyor belts, which can solve the problems of difficulty in meeting the mechanical strength of conveyor belts, low dielectric constant, inability to withstand instantaneous high temperature, etc., and achieves excellent microwave transmission performance, low dielectric constant, Good toughness and strength

Inactive Publication Date: 2016-05-04
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, it has excellent heat resistance, physical and mechanical properties and insulation properties. It can be used continuously at high temperatures, and can still maintain stable performance in environments with rapid temperature changes. At the same time, it has low dielectric constant and good microwave permeability; but its Cannot withstand instantaneous high temperature of 900~950℃
Aluminum hydroxide is a ceramic material with excellent high temperature resistance and good microwave permeability, but it is brittle and difficult to meet the requirements of high mechanical strength of the conveyor belt

Method used

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  • High temperature resistant, microwave transparent aluminum hydroxide/polyethersulfone conveyor belt and manufacturing method thereof
  • High temperature resistant, microwave transparent aluminum hydroxide/polyethersulfone conveyor belt and manufacturing method thereof
  • High temperature resistant, microwave transparent aluminum hydroxide/polyethersulfone conveyor belt and manufacturing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (1) Preparation of polyethersulfone support:

[0038] a. Drying of raw materials: Weigh 200g of polyethersulfone and dry in a plastic hopper dryer for 3 hours at a temperature of 160°C;

[0039] b. Plasticization: Put the dried polyethersulfone into the barrel of the screw injection molding machine to be plasticized to a molten state. is 100Mpa, the secondary pressure is 40Mpa, the injection speed is medium speed, the plasticizing back pressure is 5Mpa, and the screw speed is 40r / min;

[0040] c. Injection mold filling: the temperature of the mold is 110°C. The polyethersulfone melt plasticized in step b is introduced into the mold, flow-filled and cooled to shape, and the injection mold filling process is completed. Among them, the polyethersulfone support The structure of the body is formed in the mold;

[0041] d. Cooling treatment: take out the polyethersulfone material injected and filled in step c from the closed mold, let it cool down to room temperature naturall...

Embodiment 2

[0051] (1) Preparation of polyethersulfone support:

[0052] a. Drying of raw materials: weigh 200g of polyethersulfone and dry in a plastic hopper dryer for 4 hours at a temperature of 170°C;

[0053] b. Plasticization: Put the dried polyethersulfone into the cylinder of the screw injection molding machine to be plasticized to a molten state. 110Mpa, the secondary pressure is 50Mpa, the injection speed is medium speed, the plasticizing back pressure is 6Mpa, and the screw speed is 50r / min;

[0054] c. Injection mold filling: the temperature of the mold is 120°C. The polyethersulfone melt plasticized in step b is introduced into the mold, flow-filled and cooled to shape, and the injection mold filling process is completed. Among them, the polyethersulfone support The structure of the body is formed in the mold;

[0055] d. Cooling treatment: take out the polyethersulfone material injected and filled in step c from the closed mold, let it cool down to room temperature natural...

Embodiment 3

[0065] (1) Preparation of polyethersulfone support:

[0066] a. Drying of raw materials: weigh 200g of polyethersulfone and dry in a plastic hopper dryer for 4 hours at a temperature of 170°C;

[0067] b. Plasticization: Put the dried polyethersulfone into the barrel of the screw injection molding machine to be plasticized to a molten state. is 130Mpa, the secondary pressure is 50Mpa, the injection speed is high speed, the plasticizing back pressure is 8Mpa, and the screw speed is 50r / min;

[0068] c. Injection mold filling: the temperature of the mold is 140°C. The polyethersulfone melt plasticized in step b is introduced into the mold, flow-filled and cooled to shape, and the injection mold filling process is completed. Among them, the polyethersulfone support The structure of the body is formed in the mold;

[0069] d. Cooling treatment: take out the polyethersulfone material injected and filled in step c from the closed mold, let it cool down to room temperature naturall...

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Abstract

The invention discloses a high-temperature-resistant and microwave-permeable aluminum hydroxide / polyether sulfone conveyor belt and a method for manufacturing the same. The method includes manufacturing a polyether sulfone support by an injection molding technology; uniformly dispersing aluminum hydroxide powder in N,N-dimethylacetamide and phosphoric acid mixed solution to manufacture aluminum hydroxide emulsion; coating the aluminum hydroxide emulsion on the upper surface of the polyether sulfone support and performing heat treatment on the polyether sulfone support to manufacture a plurality of conveyor belt units; connecting the aluminum hydroxide / polyether sulfone conveyor belt units with one another by a polyether sulfone hinge pin (6) to form the aluminum hydroxide / polyether sulfone conveyor belt. The high-temperature-resistant and microwave-permeable aluminum hydroxide / polyether sulfone conveyor belt and the method have the advantages that polyether sulfone is processed by an injection process, the high-temperature-resistant and microwave-permeable aluminum hydroxide / polyether sulfone conveyor belt is suitable for industrial large-scale production and is high in mechanical strength and excellent in microwave-permeable performance, and the surfaces of the conveyor belt can resist instant high temperatures ranging from 900 DEG C to 1000 DEG C, so that industrial continuous production of expanded graphite can be guaranteed, and development on offshore oil spilling emergency efficient cleaning equipment can be promoted.

Description

technical field [0001] The invention relates to the technical field of a high-temperature-resistant and microwave-permeable conveyor belt, in particular to a high-temperature-resistant, microwave-transparent aluminum hydroxide / polyethersulfone conveyor belt and a manufacturing method thereof. Background technique [0002] With the accelerated process of global economic integration and the rapid development of the marine transportation industry, the situation of oil spill pollution has become increasingly severe. In recent years, frequent offshore oil spills have occurred around the world, causing serious marine pollution and leading to a serious marine ecological crisis. Among many marine oil spill disposal technologies, adsorption technology has the advantages of high disposal efficiency and easy operation, and is the first choice for marine oil spill pollution disposal technology. Compared with activated carbon and other adsorption materials, expanded graphite, as an emerg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G15/32B29C45/76B29B13/06
Inventor 杨育林左镇宋来洲
Owner YANSHAN UNIV
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