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Wear-resistant and high-temperature resistant nylon composite material and preparation method therefor

A nylon composite material, high temperature resistant technology, applied in the field of polymer materials, can solve problems such as poor compatibility, restrictions on the popularization and application of composite materials, loss of mechanical properties of composite materials, etc., to achieve improved wear resistance, high continuous production efficiency, and products The effect of stable quality

Inactive Publication Date: 2016-06-08
HEFEI GENIUS NEW MATERIALS
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Problems solved by technology

Although in the prior art, high-temperature-resistant nylon is modified by adding wear-resistant agents to increase its wear resistance, but the mechanical properties of the composite material are poor due to the poor compatibility between the added components. Severe losses limit the popularization and application of composite materials

Method used

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Embodiment Construction

[0023] The content of the present invention is further illustrated below in conjunction with specific examples, but the content of the present invention is not limited only to the following examples.

[0024] The preparation method of the wear-resistant and high-temperature-resistant nylon composite material of the present invention adopts the following steps:

[0025] (1) The pretreated molybdenum disulfide is prepared by the following method: add 5kg molybdenum disulfide into 10L of absolute ethanol, and disperse evenly by ultrasonic; the ultrasonic time is 1-2 hours, and the ultrasonic temperature is 30-50°C ; Then slowly add 1kg of maleic anhydride to the ethanol solution, stir for 1-2 hours, filter, wash with deionized water, dry at room temperature, and store.

[0026] (2) Put the high-temperature-resistant nylon and pretreated molybdenum disulfide in a high-mixer, stir for 5 minutes at 80°C at a speed of 1000 rpm; then add the weighed antioxidant and lubricant and mix w...

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Abstract

The invention discloses a wear-resistant and high-temperature resistant nylon composite material. The wear-resistant and high-temperature resistant nylon composite material is prepared from the following ingredients in parts by weight: 65-95 parts of high-temperature resistant nylon, 1-15 parts of pretreated molybdenum disulfide, 0.1-1.0 part of antioxidant and 0.2-1.0 part of lubricant. The invention also discloses a preparation method for the wear-resistant and high-temperature resistant nylon composite material. According to the wear-resistant and high-temperature resistant nylon composite material and the preparation method therefor, the pretreated molybdenum disulfide is added as a wear resistance modifier, and proper processing aids are added, so that the wear resistance and heat resistance of high-temperature nylon are improved, the use value is higher, the field of employment is widened, and the wear-resistant and high-temperature resistant nylon composite material can be extensively applied to the fields of electronic electrical appliances, automobiles, war industry and the like; the composite material disclosed by the invention is simple in extruded preparation process, high in continuous production efficiency and stable in product quality; and the high-temperature nylon and the pretreated molybdenum disulfide are pre-mixed firstly, so that the dispersity of the pretreated molybdenum disulfide in the composite material is greatly improved, and the wear resistance of the composite material is improved.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a wear-resistant and high-temperature-resistant nylon composite material and a preparation method thereof. Background technique [0002] High temperature resistant nylon is a kind of aromatic polyamide, which is a polyamide resin prepared by polycondensation reaction of diamine or dicarboxylic acid with aromatic ring and aliphatic dicarboxylic acid or diamine. Due to the introduction of aromatic rings into the main chain of polyamide molecules, its heat resistance and mechanical properties are improved, water absorption is reduced, and it has a more suitable performance / price ratio. Therefore, high-temperature-resistant nylon is a high-heat-resistant resin between general-purpose engineering plastic nylon and high-temperature-resistant engineering plastic polyether ether ketone (PEEK), and is increasingly used in machinery, electronics and other fields. H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08K13/06C08K9/04C08K3/30C08K5/134C08K5/526C08K5/098
Inventor 杨桂生方永炜
Owner HEFEI GENIUS NEW MATERIALS
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