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A kind of glass fiber reinforced nylon composite material and its preparation method and application

A nylon composite material and glass fiber technology, applied in the field of glass fiber reinforced nylon composite material and its preparation, can solve problems such as long time, and achieve the effects of short processing time, good compatibility and promoting dispersibility

Active Publication Date: 2022-06-21
ENERGY RES INST OF SHANDONG ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it takes a long time for the coupling agent to treat the glass fiber, and it often needs to be heated during the treatment process to have a better coupling effect.

Method used

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  • A kind of glass fiber reinforced nylon composite material and its preparation method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A preparation method of glass fiber reinforced nylon composite material, comprising the following steps:

[0039] (1) Weigh 30 parts of glass fiber and 2 parts of silane coupling agent (KH550) into a high-speed mixer, stir for 30 minutes, raise the temperature to 80°C and continue stirring for 1 hour, and the obtained product is ready for use.

[0040] (2) take by weighing 57 parts of nylon, 10 parts of maleic anhydride grafted POE, 0.5 part of calcium stearate, 0.5 part of antioxidant 1098, mix these several kinds of raw materials in a high-speed mixer for 30min, and then mix the obtained The material and the product obtained in step (1) are put into the extruder hopper together, and between 270 ° C and 320 ° C, the main screw speed is 400 rpm, the feeding screw speed is 30 rpm, and the side feeding screw speed is 100 rpm. The extrusion is carried out under the condition of rev / min, and the extrudate is subjected to pulling (pulling speed 8 m / min), cooling (cooling tem...

Embodiment 2

[0042] A preparation method of glass fiber reinforced nylon composite material, comprising the following steps:

[0043] (1) take by weighing 30 parts of glass fiber and put into low temperature plasma reaction device, feed argon gas as plasma, gas pressure 500Pa, radio frequency discharge power 400W, discharge time 20min, obtain modified glass fiber, for subsequent use.

[0044] (2) take by weighing 57 parts of nylon, 10 parts of maleic anhydride grafted POE, 0.5 part of calcium stearate, 0.5 part of antioxidant 1098, mix these several kinds of raw materials in a high-speed mixer for 30min, and then mix the obtained The material and the product obtained in step (1) are put into the extruder hopper together, and between 270 ° C and 320 ° C, the main screw speed is 400 rpm, the feeding screw speed is 30 rpm, and the side feeding screw speed is 100 rpm. The extrusion is carried out under the condition of rev / min, and the extrudate is subjected to pulling (pulling speed 8 m / min),...

Embodiment 3

[0046] A preparation method of glass fiber reinforced nylon composite material, comprising the following steps:

[0047] (1) take by weighing 30 parts of glass fiber and put into low temperature plasma reaction device, feed nitrogen as plasma, gas pressure 500Pa, radio frequency discharge power 400W, and discharge time 20min, obtain modified glass fiber, for subsequent use.

[0048] (2) take by weighing 57 parts of nylon, 10 parts of maleic anhydride grafted POE, 0.5 part of calcium stearate, 0.5 part of antioxidant 1098, mix these several kinds of raw materials in a high-speed mixer for 30min, and then mix the obtained The material and the product obtained in step (1) are put into the extruder hopper together, and between 270 ° C and 320 ° C, the main screw speed is 400 rpm, the feeding screw speed is 30 rpm, and the side feeding screw speed is 100 rpm. The extrusion is carried out under the condition of rev / min, and the extrudate is subjected to pulling (pulling speed 8 m / mi...

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Abstract

The invention relates to the technical field of nylon composite material preparation, in particular to a glass fiber reinforced nylon composite material and its preparation method and application. In parts by weight, the raw material composition of the composite material includes: 14-86.8 parts of nylon, 8-60 parts of glass fiber, 5-20 parts of maleic anhydride grafted polyolefin, 0.1-5 parts of lubricant, 0.1 part of antioxidant ‑1 part; wherein, the glass fiber has undergone plasma gas discharge treatment: the glass fiber is placed in a plasma reaction device, and one or a mixture of several plasma gases is introduced, and the surface function of the glass fiber is carried out by using the plasma gas Chemical processing, that is. The invention utilizes low-temperature plasma technology to treat the surface of glass fiber, so that the surface of the fiber contains functional groups such as hydroxyl, carboxyl, carbonyl, amino, etc., so as to improve the reactivity and compatibility of the fiber and the end group of the nylon matrix, and promote the glass fiber in Dispersion in nylon.

Description

technical field [0001] The present invention relates to the technical field of nylon composite material preparation, in particular to a glass fiber reinforced nylon composite material and a preparation method and application thereof. Background technique [0002] The information disclosed in this Background of the Invention is only for enhancement of understanding of the general background of the invention and should not necessarily be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. [0003] Nylon is one of the most widely used and most kinds of engineering plastics. The material has good mechanical properties, heat resistance, abrasion resistance, chemical solvent resistance, self-lubrication and certain flame retardancy. It has excellent performance and can be integrated into complex structural components, and is widely used in automobiles, electronic appliances, machine...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/00C08L51/06C08K9/00C08K7/14C08J5/08
CPCC08J5/08C08J2377/00C08J2451/06C08K9/00C08K7/14C08L77/06C08G69/26C08K5/101C08K5/103C08L51/06C08L91/06
Inventor 蒋波蔡飞鹏姜桂林王波秦显忠
Owner ENERGY RES INST OF SHANDONG ACAD OF SCI
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