Glass fiber reinforced nylon 6 composite material

A glass fiber and composite material technology, applied in the field of glass fiber reinforced nylon 6 composite material, can solve the problems of low melt strength, poor tensile strength, low extrusion speed, etc.

Pending Publication Date: 2022-04-01
广东博事达新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main purpose of the present invention is to provide a new type of glass fiber reinforced nylon 6 composite material, so that it can solve the problems of low melt strength, low extrusion speed and poor tensile strength during the production of existing nylon 6 heat insulation strip products

Method used

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  • Glass fiber reinforced nylon 6 composite material
  • Glass fiber reinforced nylon 6 composite material
  • Glass fiber reinforced nylon 6 composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Glass fiber reinforced nylon 6 composite material, its preparation process comprises the steps:

[0040] Step 1: Weigh 48 parts of nylon 6, 20 parts of high-temperature nylon PPA, 5 parts of toughening agent POE-g-MAH, 0.3 parts of silane coupling agent, 0.2 parts of antioxidant, dispersion lubricant silicone master 0.5 parts of granules and 1 part of black masterbatch, first dry nylon 6 and high-temperature nylon PPA at 120°C for 4 hours, and then mix the remaining components with the dried nylon 6 and high-temperature nylon PPA in a high-speed mixer After 1-2 minutes, the premix is ​​obtained;

[0041] Step 2: Add the premix prepared in Step 1 into the main feeding port of the twin-screw extruder (screw diameter: 60mm, length-to-diameter ratio L / D=48), glass fiber is added from the side feeding port, and the main engine is controlled The number of revolutions and the amount of feed ensure that the glass fiber content is controlled at 25%, and pelletized after being m...

Embodiment 2

[0044] Weigh 53 parts of nylon 6, 15 parts of high-temperature nylon PPA, 5 parts of POE-g-MAH, 0.3 part of silane coupling agent, 0.2 part of antioxidant, 0.5 part of dispersing lubricant silicone masterbatch and black masterbatch 1 part, first dry nylon 6 and high-temperature nylon PPA at 120°C for 4 hours, then put the remaining components and dried nylon 66 and high-temperature nylon PPA in a high-speed mixer and mix for 1 to 2 minutes to obtain For the premix, except that the glass fiber content is operated according to the above ratio, the rest of the steps are produced according to the step 2 process in the embodiment 1 to produce the heat insulation strip raw material and the step 3 operation to produce the heat insulation strip.

Embodiment 3

[0046] Weigh 60 parts of nylon 6, 10 parts of high-temperature nylon PPA, 3 parts of POE-g-MAH, 0.3 parts of silane coupling agent, 0.2 parts of antioxidant, 0.5 parts of silicone masterbatch of dispersion lubricant and black masterbatch 1 part, first dry nylon 6 and high-temperature nylon PPA at 120°C for 4 hours, then put the remaining components and dried nylon 6 and high-temperature nylon PPA in a high-speed mixer and mix for 1 to 2 minutes to obtain For the premix, except that the glass fiber content is operated according to the above ratio, the rest of the steps are produced according to the step 2 process in the embodiment 1 to produce the heat insulation strip raw material and the step 3 operation to produce the heat insulation strip.

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Abstract

The invention relates to a glass fiber reinforced nylon 6 composite material, which is prepared from the following ingredients in parts by weight: 40 to 60 parts of nylon 6 resin, 5 to 30 parts of high-temperature nylon resin, 23 to 27 parts of glass fibers, 1 to 15 parts of toughening agents, 0.1 to 3 parts of coupling agents, 0.1 to 3 parts of dispersion lubricating agents, 0.1 to 1 part of antioxidants and 0.1 to 3 parts of color master batches. In order to solve the problems of low melt strength, low extrusion speed and poor tensile strength during production of a nylon 6 heat insulation strip product, the invention further provides a preparation method of the glass fiber reinforced nylon 66 heat insulation strip material, and the glass fiber reinforced nylon 66 heat insulation strip material is prepared by virtue of a double-screw extruder with the screw diameter of 60mm and the length-diameter ratio L / D of 48. The obtained special glass fiber reinforced nylon 6 composite material for the heat insulation strip has excellent performance.

Description

technical field [0001] The invention relates to a glass fiber reinforced composite material, in particular to a glass fiber reinforced nylon 6 composite material. Background technique [0002] Polyamide is a kind of polymer containing amide bonds obtained by polycondensation and ring opening of dibasic amines and dibasic acids. This type of polymer has special properties such as high modulus, high strength, high temperature resistance, high toughness, flame retardancy, and thermal conductivity, and is widely used. Polyamide, also known as nylon 6, is usually formed by polycondensation of caprolactam. The oxygen on the amide group can form relatively strong oxygen bonds with the carboxyl groups on different molecular chains. [0003] In composite materials, substances that can improve the mechanical properties of matrix materials are all reinforcing materials. Reinforcement material as a dispersed phase greatly improves the strength and stiffness of the matrix material. In...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08L77/06C08J5/08
Inventor 薄文海赵洪涛洪成斌李清臣
Owner 广东博事达新材料有限公司
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