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Antistatic, high temperature yellowing-resistant and flame-retardant nylon composite and preparation method thereof

A technology of flame-retardant nylon and composite materials, which is applied in the field of nylon materials, can solve the problems of black antistatic agents, etc., and achieve the effects of excellent high temperature resistance, excellent flame retardancy, and good color stability

Active Publication Date: 2019-05-17
CGN JUNER NEW MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the polyamide material prepared by this technical scheme has obtained better antistatic effect, but the antistatic agent is black, the prepared product can only be black material
[0005] Therefore, there is still no nylon composite material with antistatic, high temperature yellowing resistance, and flame retardant properties.

Method used

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  • Antistatic, high temperature yellowing-resistant and flame-retardant nylon composite and preparation method thereof
  • Antistatic, high temperature yellowing-resistant and flame-retardant nylon composite and preparation method thereof
  • Antistatic, high temperature yellowing-resistant and flame-retardant nylon composite and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Use the following weights of ingredients:

[0040]

[0041] Mix polyamide 66 and polyamide 6 evenly, add the main feed to the twin-screw extruder, then mix the flame retardant and multifunctional additives evenly, and feed the No. 1 side feed into the twin-screw extruder, and the short fiber The No. 2 side feed is added to the twin-screw extruder, and after extrusion, drawing, cooling, pelletizing and drying, the polyamide composite material is obtained; the aspect ratio of the twin-screw extruder is 36:1 The temperature of each section of the screw is: the temperature of each working section from the first barrel to the eighth barrel is 265±5, 265±5, 265±5, 265±5, 245±5, 245±5, 245± 5, 225±5, the temperature of the machine head is 255±5℃.

Embodiment 2

[0043] Use the following weights of ingredients:

[0044]

[0045]

[0046] The preparation method of the polyamide composite material is the same as in Example 1, and the polyamide composite material is obtained. The temperature of each section of the screw is: the temperature of each working section from the first barrel to the eighth barrel is 260±5, 260±5, 260±5, 250±5, 230±5, 230±5, 230±5 , 230±5, the temperature of the head is 260±5℃.

Embodiment 3

[0048] Use the following weights of ingredients:

[0049]

[0050] The preparation method of the polyamide composite material is the same as in Example 1, and the polyamide composite material is obtained. The temperature of each section of the screw is: the temperature of each working section from the first barrel to the eighth barrel is 260±5, 260±5, 260±5, 250±5, 230±5, 230±5, 230±5 , 230±5, the temperature of the head is 260±5℃.

[0051] Compare column 1

[0052]

[0053]

[0054] The preparation method and process parameters of the polyamide composite material are the same as in Example 1.

[0055] Compare column 2

[0056]

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Abstract

The invention discloses an antistatic, high temperature yellowing-resistant and flame-retardant nylon composite and a preparation method thereof. The nylon composite comprises the following raw materials in terms of total weight being 100%: 25.0%-80.0% of polyamide, 0.5%-7.0% of a multifunctional auxiliary, 9.0%-25.0% of a flame retardant and 9.0%-45.0% of an enhancing / filling component, wherein the multifunctional auxiliary comprises a functional component and a promoting component; the functional component is selected from phosphate compounds as well as at least one of optional phenolic compounds, copper salt compounds and phosphite compounds; the promoting component is selected from long-carbon-chain saturated fatty acid with C8-C20 and one, two or more carboxylic acid groups. The developed nylon composite has the characteristics of being antistatic, high temperature yellowing-resistant and flame-retardant.

Description

technical field [0001] The invention relates to the field of nylon materials, in particular to an antistatic, high-temperature-resistant yellowing and flame-retardant nylon composite material and a preparation method thereof. Background technique [0002] Polyamide (PA), commonly known as nylon, has received more and more attention since it came out. However, polyamide materials are prone to oxidation and yellowing at high temperatures. Common phenolic and phosphate antioxidants can meet the oxidation and yellowing during melting processing, but if they are placed at high temperatures such as 150°C or 170°C for a long time, Oxidation and yellowing of polyamide materials are severe, and even dark brown. In addition, polyamide materials are similar to most plastic materials. They are insulators and are prone to static electricity. However, when used in some special environments, they need to have antistatic effects. Therefore, it is of particular significance to have a flame...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L77/02C08K13/04C08K7/14C08K5/3492
Inventor 田际波陈晓敏陈佰全郑友明陈智文
Owner CGN JUNER NEW MATERIALS
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