High-temperature-resistant special engineering plastic formula and preparation method thereof

A special engineering plastic, high temperature resistant technology, applied in the field of engineering plastic materials, can solve the problems of poor adaptability, easy hardening and brittleness of composite materials, insufficient service life, etc., to reduce oxidation phenomenon, delay surface oxidation, and inhibit thermal decomposition. Effect

Inactive Publication Date: 2020-08-14
江苏百通塑业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Special engineering plastics can meet higher requirements in terms of mechanical properties, durability, corrosion resistance, heat resistance, etc., and are more convenient to process and can replace metal materials, so they have broad application prospects. The characteristics of high temperature are poor, it is difficult to use in a good temperature environment, and the adaptability is poor. Secondly, special engineering plastic composite materials tend to become hard and brittle after long-term use, and the service life is not enough. The surface of special engineering plastics is large during use. When the surface is prone to sticking, which affects the use effect, we propose a high temperature resistant special engineering plastic formula and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A high-temperature-resistant special engineering plastic formula, including the following ingredients in parts by weight: 40 parts of polyphenylene sulfide, 50 parts of polyethersulfone, 0.6 parts of additives, 0.4 parts of lubricants, 0.4 parts of antioxidants, 0.4 parts of silicon-containing flame retardants part, 3 parts of modified graphene oxide.

[0029] The additive is a coupling agent, and the coupling agent includes monoalkoxy titanate. The coupling agent is obtained through the following steps: pour sodium silicate solution into a heatable container and heat slowly, then pour a certain amount of silicon acrylic emulsion Slowly add to the container, and keep stirring, stop heating, then add an appropriate amount of monoalkoxy phosphate titanate to the container, stir at high speed, add zinc powder while stirring, and finally add an appropriate amount of dilute phosphoric acid, monoalkane As a coupling agent, oxytitanate can reduce the surface viscosity of speci...

Embodiment 2

[0036] A high-temperature-resistant special engineering plastic formula, including the following ingredients in parts by weight: 35 parts of polyphenylene sulfide, 40 parts of polyethersulfone, 0.5 parts of additives, 0.3 parts of lubricants, 0.3 parts of antioxidants, and 0.1 parts of silicon-containing flame retardants part, 1 part of modified graphene oxide.

[0037] Also provided is a preparation method of high temperature resistant special engineering plastics, comprising the following steps:

[0038] S1: Add high-temperature-resistant polyphenylene sulfide and polyethersulfone into the reaction kettle, stir at 100°C for one hour, and dry at 100°C after suction filtration to obtain a mixture;

[0039] S2: Precisely control the formula ratio and mixing effect of additives, lubricants and modified graphene oxide through loss-in-weight feeding;

[0040] S3: Add additives first, extrude the melted mixture, and control the extrusion temperature at 300°C;

[0041] S4: After t...

Embodiment 3

[0046] A high-temperature-resistant special engineering plastic formula, including the following ingredients in parts by weight: 60 parts of polyphenylene sulfide, 60 parts of polyether sulfone, 0.8 parts of additives, 0.5 parts of lubricants, 0.5 parts of antioxidants, 0.5 parts of silicon-containing flame retardants part, 5 parts of modified graphene oxide.

[0047] Also provided is a preparation method of high temperature resistant special engineering plastics, comprising the following steps:

[0048] S1: Add high-temperature-resistant polyphenylene sulfide and polyethersulfone into the reaction kettle, stir at 100°C for one hour, and dry at 100°C after suction filtration to obtain a mixture;

[0049] S2: Precisely control the formula ratio and mixing effect of additives, lubricants and modified graphene oxide through loss-in-weight feeding;

[0050] S3: Add additives first, extrude the melted mixture, and control the extrusion temperature at 340°C;

[0051] S4: After the...

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Abstract

The invention relates to the field of engineering plastic materials, and discloses a high-temperature-resistant special engineering plastic formula which comprises the following components in parts byweight: 35 to 60 parts of polyphenylene sulfide, 40 to 60 parts of polyether sulfone, 0.5 to 0.8 part of additive, 0.3 to 0.5 part of lubricant, 0.3 to 0.5 part of antioxidant, 0.1 to 0.5 part of silicon-containing flame retardant and 1 to 5 parts of modified graphene oxide. The invention also provides a preparation method of the high-temperature-resistant special engineering plastic. The high-temperature-resistant special engineering plastic formula and the preparation method thereof have the advantages that the high-temperature adaptability is good, hardening and embrittlement are not likely to happen after long-term use, and the surface is not likely to be bonded.

Description

technical field [0001] The invention relates to the field of engineering plastic materials, in particular to a high-temperature-resistant special engineering plastic formula and a preparation method thereof. Background technique [0002] Special engineering plastics can meet higher requirements in terms of mechanical properties, durability, corrosion resistance, heat resistance, etc., and are more convenient to process and can replace metal materials, so they have broad application prospects. The characteristics of high temperature are poor, it is difficult to use in an environment with good temperature, and the adaptability is poor. Secondly, special engineering plastic composite materials tend to become hard and brittle after long-term use, and the service life is not enough. The surface of special engineering plastics is large during use. When the surface is prone to sticking, which affects the use effect, we propose a high-temperature-resistant special engineering plasti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02C08L81/06C08L83/08C08L33/04C08K13/06C08K9/04C08K3/04C08K5/521C08K3/34C08G77/26C08G77/06
CPCC08L81/02C08L81/06C08G77/26C08G77/06C08L2201/08C08L2205/02C08L2205/035C08L83/08C08L43/04C08K13/06C08K9/04C08K3/042C08K5/521C08K3/34
Inventor 周辉孙钟富陆丽华
Owner 江苏百通塑业发展有限公司
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