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High-flowability nylon composite material and preparation method thereof

A nylon composite material and high fluidity technology, applied in the field of nylon materials, can solve the problems of not being able to guarantee the environmental performance and safety performance of composite materials, increase the cost of raw materials, etc., and achieve the goals of shortening injection molding time, improving fluidity and high thermal conductivity Effect

Inactive Publication Date: 2018-02-23
广州维邦新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, stabilizers, nucleating agents, lubricants, and grafted POE are all organic materials, which invisibly increases the cost of raw materials, and cannot guarantee the environmental performance and safety performance of composite materials.

Method used

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  • High-flowability nylon composite material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] This embodiment discloses a high fluidity nylon composite material, comprising the following components in parts by weight:

[0032] 30 parts of nylon, 30 parts of thermally conductive and wear-resistant filler, 2 parts of nanometer ultrafine talc powder, 1.1 parts of second flow enhancer, 8 parts of glass fiber, 0.9 part of coupling agent, 0.6 part of antioxidant, and 1.2 parts of lubricant.

[0033] Thermally conductive and wear-resistant fillers include aluminum hydroxide, nano-particle α-Al 2 o 3 And magnesium hydroxide, aluminum hydroxide is fibrous, and its particle size is 15nm, nanoparticle α-Al 2 o 3 The particle size of magnesium hydroxide is 5nm, the particle size of magnesium hydroxide is 15μm, by weight, aluminum hydroxide: nanoparticulate α-Al 2 o 3: Magnesium hydroxide=2:1:2; the particle diameter of the nano ultrafine talcum powder is 5nm.

[0034] The nylon is PA46, the coupling agent is a silane coupling agent; the antioxidant is antioxidant 1010;...

Embodiment 2

[0040] This embodiment discloses a high fluidity nylon composite material, comprising the following components in parts by weight:

[0041] 40 parts of nylon, 25 parts of heat-conducting and wear-resistant filler, 1.5 parts of nano-ultrafine talc powder, 0.5 parts of polyethylene glycol, 0.5 parts of methoxypolyethylene glycol, 0.5 parts of polyacrylamide, 6 parts of glass fiber, coupling agent 1.2 parts, 0.4 parts of antioxidant, 0.6 parts of lubricant.

[0042] Thermally conductive and wear-resistant fillers include aluminum hydroxide, nano-particle α-Al 2 o 3 And magnesium hydroxide, aluminum hydroxide is fibrous, and its particle size is 70nm, nanoparticle α-Al 2 o 3 The particle size of magnesium hydroxide is 2nm, the particle size of magnesium hydroxide is 70μm, by weight, aluminum hydroxide: nanoparticulate α-Al 2 o 3 : Magnesium hydroxide=1:1:2; the particle diameter of nano ultrafine talc powder is 2nm.

[0043] The nylon is PA46, the coupling agent is a silane ...

Embodiment 3

[0049] This embodiment discloses a high fluidity nylon composite material, comprising the following components in parts by weight:

[0050] 35 parts of nylon, 15 parts of thermally conductive and wear-resistant filler, 1 part of nanometer ultrafine talc powder, 0.5 part of polyethylene glycol, 7 parts of glass fiber, 1 part of coupling agent, 0.4 part of antioxidant, and 0.6 part of lubricant.

[0051] Thermally conductive and wear-resistant fillers include aluminum hydroxide, nano-particle α-Al 2 o 3 And magnesium hydroxide, aluminum hydroxide is fibrous, and its particle size is 60nm, nanoparticle α-Al 2 o 3 The particle size of magnesium hydroxide is 15nm, the particle size of magnesium hydroxide is 60μm, by weight, aluminum hydroxide: nanoparticulate α-Al 2 o 3 : Magnesium hydroxide=1:1:1; the particle diameter of the nano ultrafine talc powder is 3nm.

[0052] The nylon is PA46, the coupling agent is a silane coupling agent; the antioxidant is antioxidant 168; the lu...

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Abstract

The invention discloses a high-flowability nylon composite material, which is prepared from nylon, a heat conduction wear-resistant filling material, a first flowability enhancing agent and a second flowability enhancing agent, wherein the first flowability enhancing agent is nanometer ultrafine talcum powder; the heat conduction wear-resistant filling material is prepared from aluminum hydroxide,nanometer particulate alpha-Al2O3 and magnesium hydroxide. The invention discloses a preparation method of the high-flowability nylon composite material. The method comprises the following steps of proportioning and mixing the nylon, the heat conduction wear-resisting filling material, the first flowability enhancing agent, the second flowability enhancing agent, a coupling agent, an antioxidantand a lubricating agent to obtain a mixed material; adding the mixed materials into a double-screw extruder for fusion plasticization; then, adding glass fiber into a mold head of the double-screw extruder for extrusion; performing cooling, palletization and drying to obtain the high-flowability nylon composite material. The high-flowability nylon composite material provided by the invention has good flowability; in addition, the mechanical strength is unchanged; the high heat conduction, flame-retardant and wear-resistant performance is realized; the preparation method is simple; the cost islow.

Description

technical field [0001] The invention relates to the technical field of nylon materials, more specifically, the invention relates to a high-fluidity nylon composite material. The invention also relates to a preparation method of the high fluidity nylon composite material. Background technique [0002] Nylon, as an engineering plastic, has good comprehensive properties, including mechanical properties, heat resistance, wear resistance, chemical resistance and self-lubricating properties, and has a low coefficient of friction, certain flame retardancy, and is easy to process . There are many kinds of nylon products, including PA6, PA66, PA46, PA612, etc. Nylon is widely used in automobiles, electronic equipment, mechanical parts, transportation equipment, textiles, and papermaking machinery. With the miniaturization of automobiles, the high performance of electronic and electrical equipment, and the acceleration of the lightweight of mechanical equipment, the demand for nylon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L71/02C08L33/26C08K13/04C08K7/08C08K3/22C08K3/34C08K7/14C09K5/14B29C47/92B29C48/92
CPCC08L77/06B29C48/92B29C2948/92704C08K2003/2227C08K2201/003C08K2201/011C08L2201/02C08L2205/025C08L2205/035C09K5/14C08L71/02C08L33/26C08L83/04C08K13/04C08K7/08C08K3/22C08K3/34C08K7/14
Inventor 高兆波黄俊敏
Owner 广州维邦新材料科技有限公司
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