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Permanently antistatic PA66/PPO (Polymide 6/Poly-p-Phenylene Oxide) alloy and preparation method

A technology of antistatic masterbatch and auxiliary antistatic agent, which is applied in the field of permanent antistatic PA66/PPO alloy preparation, can solve the problems of low conductivity, etc., and achieve the effect of low cost, lasting antistatic effect and improving comprehensive performance.

Inactive Publication Date: 2012-04-04
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PA66 / PPO alloy has good electrical insulation like most polymer materials, and its surface resistivity is generally 10 13 -10 15 Ω.m, the conductivity is much smaller than that of metal materials

Method used

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  • Permanently antistatic PA66/PPO (Polymide 6/Poly-p-Phenylene Oxide) alloy and preparation method
  • Permanently antistatic PA66/PPO (Polymide 6/Poly-p-Phenylene Oxide) alloy and preparation method
  • Permanently antistatic PA66/PPO (Polymide 6/Poly-p-Phenylene Oxide) alloy and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0023] The permanent antistatic masterbatch raw material formula of embodiment 1-5 is as follows:

[0024]

[0025] In above-mentioned embodiment 1-5, described alkali metal salt is M + x - , where M + for Li + , Na + , K + ;X - for Cl - 、Br - , I - 、CLO 4 - , preferably LiCLO 4 .

[0026] In the above-mentioned Examples 1-5, the antioxidant is a 1:1 compound of phenothiazine and phosphite (s9228);

[0027] In above-mentioned embodiment 1-5, described thermal stabilizer is the compound of organic tin thermal stabilizer, calcium stearate, zinc stearate by 2:1:1;

[0028] In above-mentioned embodiment 1-5, described auxiliary antistatic agent is silicon dioxide;

[0029] Among the above-mentioned examples 1-5, the polymer material containing the polyether block is a compound of polyethylene oxide and polyethylene glycol methacrylic acid interpolymer in 5:1; the molecular weight of the two polymers Preferably between 60,000 and 160,000.

[0030] Put the above c...

Embodiment 5

[0037] Example 5 has the lowest surface resistivity and the highest cost performance.

Embodiment 6

[0053] Weigh the raw materials according to the weight ratio: 1% of the antistatic masterbatch mentioned above, 40% of PA66, 58% of PPO, 1% of the compatibilizer, weigh the raw materials according to the weight ratio, put them into the high mixer and mix for 2-5 minutes , discharge, and then use a twin-screw extruder to extrude and granulate, the processing temperature is 265-295 ° C, and the screw speed is 40HZ. The surface resistivity of the prepared material is 10 14 Ω.m.

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Abstract

The invention relates to permanently antistatic PA66 / PPO (Polymide 6 / Poly-p-Phenylene Oxide) alloy and a preparation method. The permanently antistatic PA66 / PPO alloy comprises the following components in percentage by weight: 3-8% of antistatic masterbatch, 40-45% of PA66, 40-50% of PPO and 1-5% of compatibilizer, wherein the antistatic masterbatch comprises the following components by weight percentage: 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 preparation comprises the following steps of: weighing raw material according to the weight ratio; mixing the raw materials; discharging; extruding; pelleting; and obtaining the product. 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 and is close to the property of the pure PA66 / PPO alloy, the color is light and can be prepared into various colors, the cost is low, the heat resistance is good, and the like. The surface resistivity of the alloy can reach 106-108 ohm m.

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 PA66 / PPO 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. PPO has the advantages of high rigidity, high heat resistance, good water resistance, flame retardant, high strength and excellent electrical properties. It also has the advantages of wear resistance, non-toxicity, and pollution resistance. Its dielectric constant and dielectric loss are important in engineering It is one of the smallest types of plastics, and is hardly affected by temperature and humidity, and ...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L71/12C08L51/08C08K13/02C08K3/24C08K3/22C08K5/524C08K5/46C08K5/098C08J3/22C09K3/16
Inventor 郭建鹏黄晓明陈晓东蔡爽
Owner SHANGHAI SUNNY
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