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Alcoholysis-resistant reinforced PA6T material and preparation method thereof

An alcoholysis-resistant and fiber-reinforced technology is applied in the field of plastic materials for engines to achieve the effect of improving cohesion and improving industrial practicability.

Active Publication Date: 2021-04-02
JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a kind of alcoholysis-resistant reinforced PA6T material and its preparation method, solve the above-mentioned background technology Alcoholysis Resistance of Engine Plastic Parts

Method used

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  • Alcoholysis-resistant reinforced PA6T material and preparation method thereof
  • Alcoholysis-resistant reinforced PA6T material and preparation method thereof
  • Alcoholysis-resistant reinforced PA6T material and preparation method thereof

Examples

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Embodiment Construction

[0020] During the preparation of the following examples or comparative examples, the high-temperature nylon, compatibilizer, heat stabilizer, antioxidant, and lubricant are weighed in the following table 1 and mixed uniformly in a low-speed mixer; subsequently, the premixed The material is added to the twin-screw extruder, and the reinforcing fiber is fed from the side according to the mass ratio. A twin-screw extruder with a medium-strength screw is used, and the length-to-diameter ratio is 40-44:1. 350-500r / min; Among them, the diameter of the reinforcing fiber is 11 microns, the chopped length is 3-4.5mm, and it is quantitatively fed from the fifth section of the barrel by the weight loss metering device.

[0021] Table 1 embodiment 1~3 and comparative example 1~3 batching list

[0022]

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Abstract

The invention discloses an alcoholysis-resistant reinforced PA6T material and a preparation method thereof. The alcoholysis-resistant reinforced PA6T material is prepared from, by mass, 38.4-64.4 parts of high-temperature nylon, 30-50 parts of reinforced fibers, 5-10 parts of a compatilizer, 0.2-0.5 parts of a heat stabilizer, 0.2-0.5 parts of an antioxidant and 0.2-0.6 parts of a lubricant, wherein the the compatilizer is a styrene-N-phenyl maleimide copolymer and can capture alcohol substances invading the interior of the material. An active defense role is achieved, and the binding power between the glass and matrix resin is improved, so that the material has good alcoholysis resistance. The material is simple preparation method and high in industrial practicability.

Description

technical field [0001] The invention belongs to the technical field of plastic materials for engines, and in particular relates to an alcoholysis-resistant reinforced PA6T material and a preparation method thereof. Background technique [0002] The cooling system is an important part of the engine system, and its role is to ensure that the engine works within an appropriate temperature range. At present, the water-cooled cooling system is generally used. The coolant is driven by the water pump, and the excess heat of the engine is taken away by the water pump, the engine cooling jacket, the radiator, the thermostat, and the connecting pipeline of the air-conditioning system. The main plastic parts of the cooling system are the water tank, radiator water chamber, thermostat housing, water pump housing, water pump impeller, and throttle valve. These plastic parts are in contact with the coolant for a long time during use, and require better freezing resistance. liquid perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L25/08C08K9/04C08K7/14C08J5/08
CPCC08L77/06C08J5/08C08K2201/003C08K2201/004C08J2377/06C08J2425/08C08L25/08C08K9/08C08K7/14
Inventor 全敦华杨杰陈明进刁雪峰申应军吴腾达
Owner JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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