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Permanently antistatic PA6/PA 66 (Polymide 6/Polymide 66) alloy and preparation method

An antistatic and antistatic masterbatch technology, applied in the field of permanent antistatic PA6/PA66 alloy preparation, can solve problems such as low conductivity, and achieve the effects of low cost, light color, and improved comprehensive performance

Inactive Publication Date: 2013-06-12
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But nylon, like most polymer materials, has good electrical insulation, and its surface resistivity is generally around 10. 13 -10 15 Ω.m, the conductivity is much smaller than that of metal materials

Method used

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  • Permanently antistatic PA6/PA 66 (Polymide 6/Polymide 66) alloy and preparation method
  • Permanently antistatic PA6/PA 66 (Polymide 6/Polymide 66) alloy and preparation method
  • Permanently antistatic PA6/PA 66 (Polymide 6/Polymide 66) alloy and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0026] The permanent antistatic masterbatch raw material formula of embodiment 1-5 is as follows:

[0027]

[0028] In the foregoing examples, the alkali metal salt is M + x - , where M + for Li + , Na + , K + ;X - for Cl - 、Br - , I - 、CLO 4 - .

[0029] In the above examples, the antioxidant is a compound of phenothiazine and phosphite in a weight ratio of 1:1.

[0030] In the above examples, the heat stabilizer is a compound of organotin heat stabilizer, calcium stearate and zinc stearate in a weight ratio of 2:1:1.

[0031] In the above examples, the auxiliary antistatic agent is silicon dioxide.

[0032] In the above examples, the polymer material containing polyether blocks is a composite of polyethylene oxide and polyether ester acetamide in a weight ratio of 5:1.

[0033] Put the above components into a high mixer according to the proportion and mix them for 2-5 minutes, discharge the material, and then use a screw extruder to extrude and granulate. Th...

Embodiment 5

[0039] Example 5 has the lowest surface resistivity and the highest cost performance.

Embodiment 6

[0054] Weigh the raw materials according to the weight ratio: 1% of the above-mentioned antistatic masterbatch, PA640%, PA6658%, 1% compatibilizer, weigh the raw materials according to the weight ratio and put them in a high-mixer for 2-5 minutes and mix them out. The material is then extruded and granulated with a twin-screw extruder, the processing temperature is 235-265°C, and the screw speed is 35-40HZ. The surface resistivity of the prepared material is 10 14 Ω.m.

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Abstract

The invention relates to a permanently antistatic masterbatch and a preparation method. The masterbatch comprises the following components in percentage by weight: 1-15% of alkaline metal salt, 0.1-2% of antioxidant, 0.1-2% of heat stabilizer, 0-10% of assistant antistatic agent, and 70-95% of high polymer material with polyether blocks. The invention also relates to permanently antistatic PA6 / PA66 (Polymide 6 / Polymide 66) alloy, which comprises the following components in percentage by weight: 3-8% of anti-static masterbatch, 40-45% of PA6, 40-50% of PA66 and 1-5% of compatilizer. The permanently antistatic masterbatch is prepared by the following steps of: mixing the components; extruding; pelleting; and obtaining the product. The surface resistivity of the masterbatch can reach 102-103ohm m, and the surface resistivity of the PA6 / PA66 alloy can reach 106-108 ohm m. The invention has the advantages that the antistatic effect is lasting, the permanently antistatic effect is achieved, the antistatic effect is good, the comprehensive mechanical property is higher, the color is light and can be prepared into various colors, the cost is low, and the heat resistance is good.

Description

technical field [0001] The invention relates to a permanent antistatic master batch and a preparation method thereof, and also relates to a preparation method of a permanent antistatic PA6 / PA66 alloy. Background technique [0002] Because nylon has good comprehensive mechanical properties, high heat resistance, good wear resistance, self-lubricating properties, good flame retardancy, excellent chemical corrosion resistance, excellent barrier properties and other properties, it has become the most suitable for current applications. Wide range of engineering plastics. But nylon, like most polymer materials, has good electrical insulation, and its surface resistivity is generally around 10. 13 -10 15 Ω.m, the conductivity is much smaller than that of metal materials. It is easy to accumulate static charge when it contacts or rubs with other substances. The negative effects brought by the accumulation of static electricity have seriously affected production, life, and work, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L71/02C08K13/02C08K3/24C08K5/46C08K5/524C08K3/36C08K5/098C08J3/22C08L77/02C08L77/06
Inventor 郭建鹏段浩陈晓东杨涛
Owner SHANGHAI SUNNY
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