Wear-resistant reinforced polyamide/polyoxymethylene alloy material and preparation method thereof

An alloy material, polyamide technology, applied in the field of wear-resistant reinforced polyamide/polyoxymethylene alloy material and its preparation, can solve the problems of reducing the strength and toughness of the material, the lack of any compatibility of nylon, and the reduction of the mechanical properties of the material. Easy injection molding, excellent wear resistance, good mechanical properties

Inactive Publication Date: 2012-02-15
CGN JUNER NEW MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are some problems with these materials: for example, graphite and molybdenum disulfide are dark substances, and the addition of graphite and molybdenum disulfide will limit the color of the part, and the addition of graphite and molybdenum disulfide will reduce the strength and toughness of the material to a certain extent
PTFE modification effect is good, but the price is more expensive, and because of its extremely low surface energy, it has no compatibility with nylon, which will also lead to a decrease in the mechanical properties of the material and an increase in cost

Method used

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  • Wear-resistant reinforced polyamide/polyoxymethylene alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The raw material ratio is as follows:

[0036] PA66 (EPR28 Shenma) 53.5Kg

[0037] Polyoxymethylene (90-04 Polyplastics) 15Kg

[0038] POE-g-MHA (Light of Energy) 5Kg

[0039] Antioxidant 1098 (hindered phenol stabilizer Yabao) 0.3Kg

[0040] Antioxidant 168 (phosphite stabilizer Yabao) 0.4Kg

[0041] Cuprous iodide 0.3kg

[0042] Magnesium Stearate 0.5Kg

[0043]E-glass fiber 25Kg

[0044] Preparation of wear-resistant reinforced polyamide / polyoxymethylene alloy material:

[0045] Mix polyamide 66 and polyoxymethylene resin in a high-speed mixer (rotating speed 2000r / min) for 2 minutes according to the above-mentioned material ratio to make them evenly mixed, then feed them into the twin-screw extruder from the first feeder (main feeder), and POE -g-MHA, antioxidant 1098, antioxidant 168, cuprous iodide and magnesium stearate are mixed by a high-speed mixer (rotating speed 2500r / min) for 3 minutes to make them evenly mixed and then added to the twin-screw extrud...

Embodiment 2

[0048] The raw material ratio is as follows:

[0049] PA66 (EPR28 Shenma) 28.5Kg

[0050] PA6 (M2400 Xinhui Meida) 25Kg

[0051] Polyoxymethylene (90-04 Polyplastics) 15Kg

[0052] EPDM-g-MHA (Light of Energy) 5Kg

[0053] Antioxidant 1098 (hindered phenol stabilizer Yabao) 0.4Kg

[0054] Antioxidant 168 (phosphite stabilizer Yabao) 0.3Kg

[0055] Cuprous iodide 0.3kg

[0056] Magnesium Stearate 0.5Kg

[0057] E-glass fiber 25Kg

[0058] Mix polyamide 66, PA6 and polyoxymethylene resin in a high-speed mixer (rotating speed 2000r / min) for 2 minutes according to the above material ratio to make them evenly mixed, and then feed them into the twin-screw extruder from the first feeder (main feeder). Mix EPDM-g-MHA, antioxidant 1098, antioxidant 168, cuprous iodide and magnesium stearate by a high-speed mixer (rotating speed 2500r / min) for 3 minutes to make them evenly mixed and then add them into the twin-screw by the second feeder extruder, and the alkali-free glass fiber ...

Embodiment 3

[0061] The raw material ratio is as follows:

[0062] PA6 (M2400 Xinhui Meida) 53.5Kg

[0063] Polyoxymethylene (90-04 Benbaoli) 15Kg

[0064] PE-g-MHA (Energy Light) 5Kg

[0065] Antioxidant 1098 (hindered phenol stabilizer Yabao) 0.4Kg

[0066] Antioxidant 168 (phosphite stabilizer Yabao) 0.3Kg

[0067] Cuprous iodide 0.3kg

[0068] Magnesium Stearate 0.5Kg

[0069] E-glass fiber 25Kg

[0070] Mix PA6 and polyoxymethylene resin in a high-speed mixer (rotating speed 2000r / min) according to the above-mentioned material ratio for 2 minutes to make them evenly mixed, then feed them into the twin-screw extruder from the first feeder (main feeder), and mix PE-g -MHA, antioxidant 1098, antioxidant 168, cuprous iodide and magnesium stearate were mixed by a high-speed mixer (rotating speed 2500r / min) for 3 minutes to make it evenly mixed and then added into the twin-screw extruder by the second feeder, And the alkali-free glass fiber is fed into the twin-screw extruder from th...

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Abstract

The invention discloses a wear-resisting reinforced polyamide / polyoxymethylene alloy. The weight percentage of raw materials is as follows: 30%-60% of polyamide, 5%-25% of polyoxymethylene, 1%-20% of compatibilizer, compound Heat stabilizer 1.0%-3.0%, lubricant 0.5%-1.0% and reinforcing component 10%-30%. The alloy has excellent wear-resistant self-lubrication and mechanical properties, good dimensional stability, easy injection molding, adjustable color, and can well meet the needs of domestic and foreign markets. The preparation method has simple operation and is suitable for industrialized production.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a wear-resistant reinforced polyamide / polyoxymethylene alloy material and a preparation method thereof. Background technique [0002] Polyamide is collectively referred to as nylon (Nylon), and the English name is Polyamide (referred to as PA). It is named after the repeated amide group - [NHCO] - in the main chain of the molecule. It is the largest output, most variety and most useful among the five general engineering plastics A class of basic resins with wide range and excellent comprehensive performance. [0003] According to the specific molecular structure, nylon is divided into aliphatic nylon, semi-aromatic nylon and fully aromatic nylon. Among them, the main varieties of aliphatic nylon are nylon 6 (PA6) and nylon 66 (PA66), which account for more than 90% of polyamide production and have an absolute dominant position. Nylon 6 and Nylon 66 are tough translucent or ligh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08L77/06C08L59/00C08K13/04
Inventor 黄志杰陈佰全杨丰富
Owner CGN JUNER NEW MATERIALS
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