Heat conduction nylon composite material and preparation method thereof

A technology of nylon composite material and thermally conductive insulating material, which is applied in the field of nylon composite materials, can solve the problems of difficulty in meeting the performance of use, restricting the wide application of thermally conductive plastics, difficult thermal conductivity of thermally conductive plastics, etc., and achieves improved fusion effect, excellent mechanical properties, The effect of excellent thermal conductivity

Inactive Publication Date: 2017-02-15
NINGBO EAGLE NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] It is difficult for thermally conductive plastics to have high thermal conductivity and excellent mechanical properties at the same time, and it is difficult to meet the actual needs of performance, thus limiting the wide application of thermally conductive plastics

Method used

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  • Heat conduction nylon composite material and preparation method thereof
  • Heat conduction nylon composite material and preparation method thereof
  • Heat conduction nylon composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Step 1. First place the nylon 6 resin in an oven at 100°C to dry for 3-4 hours, so that the moisture content is less than 5‰; then weigh 50kg of the dried nylon 6 resin and 3kg of polyethylene octene copolymerized elastomer in proportion -Maleic anhydride copolymerization (toughening agent), 0.25kg N, N'-1,6-hexylene-bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionamide] (anti Oxygen agent), 0.25kg tris(2,4-di-tert-butylphenyl) phosphite (antioxidant), 1kg silicone powder (lubricant) and 2kg black masterbatch, and add them together in the high-speed mixer , stir and mix until uniform to obtain a mixture;

[0031] Step 2, then weigh 50 kg of aluminum nitride powder (thermally conductive insulating material) with a diameter of 40 μm, and add the mixture obtained in step 1 and the thermally conductive insulating material to the double-layer aluminum alloy with a length-to-diameter ratio of 40:1 through the main feed and side feed respectively. In the screw extruder, the ...

Embodiment 2

[0033] Step 1. First place the nylon 6 resin in an oven at 100°C to dry for 3-4 hours, so that the moisture content is less than 5‰; then weigh 50kg of the dried nylon 6 resin and 3kg of polyethylene octene copolymerized elastomer in proportion -Maleic anhydride copolymerization (toughening agent), 0.25kg N, N'-1,6-hexylidene-bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionamide]( Antioxidant), 0.25kg tris(2,4-di-tert-butylphenyl) phosphite (antioxidant), 1kg silicone powder (lubricant) and 2kg black masterbatch, and add them together to the high-speed mixer , stir and mix until uniform to obtain a mixture;

[0034] Step 2, then weigh 50kg of barium sulfate powder (thermally conductive insulating material), and add the mixture and thermally conductive insulating material obtained in step 1 into the twin-screw extruder with a length-to-diameter ratio of 40:1 through the main feed and side feed respectively , the frequency of the main engine is 25HZ, the processing temperature ...

Embodiment 3

[0036] Step 1. First place the nylon 6 resin in an oven at 100°C to dry for 3-4 hours, so that the moisture content is less than 5‰; then weigh 50kg of the dried nylon 6 resin and 3kg of polyethylene octene copolymerized elastomer in proportion -Maleic anhydride copolymerization (toughening agent), 0.25kg N, N'-1,6-hexylidene-bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionamide]( Antioxidant), 0.25kg tris(2,4-di-tert-butylphenyl) phosphite (antioxidant), 1kg silicone powder (lubricant) and 2kg black masterbatch, and add them together to the high-speed mixer , stir and mix until uniform to obtain a mixture;

[0037] Step 2, then weigh 30kg of aluminum nitride powder (thermally conductive insulating material) and 20kg of barium sulfate powder (thermally conductive insulating material) with a diameter of 40 μm, mix uniformly, and pass the mixture obtained in step 1 and the uniformly mixed thermally conductive insulating material through the main feeder respectively. The raw mat...

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Abstract

The invention relates to a heat conduction nylon composite material. The heat conduction nylon composite material comprises, by weight, 40-50 parts of nylon resin, 50-60 parts of a heat conduction insulating material, 1-3 parts of a flexibilizer, 0.2-1.0 part of an antioxidant, 0.5-2.0 parts of a lubricant and 1.0-3.0 parts of color master batches. The heat conduction nylon composite material has the advantages of simple process, convenience in production, and high-efficiency, wide-spectrum and long-acting bacterinertness, and the mechanical strength, the appearance, the chemical stability, the processability and other basic performances of the nylon composite material are not affected. The invention also provides a preparation method of the heat conduction nylon composite material.

Description

technical field [0001] The invention relates to a nylon composite material, in particular to a heat-conducting nylon composite material and a preparation method thereof. Background technique [0002] In recent years, with the development of industrial production and science and technology, people have put forward new requirements for thermally conductive materials, hoping that they have excellent comprehensive performance. Thermal conductivity is an important performance index of thermally conductive plastic materials. Generally speaking, the thermal conductivity of pure plastic materials is far lower than that of metal and ceramic materials, but its insulation performance is good. Thermally conductive plastics not only have the heat transfer properties of metals and ceramics, but also retain the advantages of ordinary plastics in terms of design, performance and cost. Low molding shrinkage, low working temperature and improved design freedom are widely used in various indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L51/06C08L83/04C08K13/02C08K3/28C08K3/30C08K5/526C09K5/14
CPCC08L77/02C08L2205/025C08L2205/03C08L2205/035C09K5/14C08L51/06C08L83/04C08K13/02C08K2003/282C08K2003/3045C08K5/526
Inventor 陆建华
Owner NINGBO EAGLE NEW MATERIAL
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