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Permanent antistatic master batch, permanent antistatic PA66/PA6/PP (Polyamide 66/Polyamide 6/Polypropylene) alloy and preparation method thereof

A technology of antistatic masterbatch and auxiliary antistatic agent, which is applied in the field of alloy materials and antistatic masterbatch, which can solve the problems of low conductivity and achieve the effects of low cost, small amount of addition and high comprehensive mechanical properties

Inactive Publication Date: 2012-04-18
上海谊盛实业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PA66 / PA6 / PP 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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  • Permanent antistatic master batch, permanent antistatic PA66/PA6/PP (Polyamide 66/Polyamide 6/Polypropylene) alloy and preparation method thereof
  • Permanent antistatic master batch, permanent antistatic PA66/PA6/PP (Polyamide 66/Polyamide 6/Polypropylene) alloy and preparation method thereof
  • Permanent antistatic master batch, permanent antistatic PA66/PA6/PP (Polyamide 66/Polyamide 6/Polypropylene) alloy and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0027] Embodiment 1-5 A kind of permanent antistatic masterbatch and preparation method

Embodiment 1

[0029] The composition ratio of the antistatic masterbatch is shown in Table 1. Alkali metal is LiClO 4 , the antioxidant is a compound of phenothiazine and phosphite (s9228) in a mass ratio of 1:1, and the heat stabilizer is an organotin heat stabilizer, calcium stearate, zinc stearate in a mass ratio of 2:1:1 The ratio of the compound, the auxiliary antistatic agent is silicon dioxide, and the polymer material containing polyether block is the compound of polyethylene oxide and polyether ester acetamide in a mass ratio of 5:1.

[0030] The antistatic masterbatch raw material formula of table 1 embodiment 1-5

[0031]

[0032] 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. The processing temperature is 150-200°C, and the screw speed is 25-35HZ. The specific process is shown in Table 2.

[0033] Table 2 Processing parameters of antistatic ...

Embodiment 2

[0040] The composition ratio of the antistatic masterbatch is shown in Table 1. The alkali metal is LiCl, the antioxidant is a compound of phenothiazine and phosphite (s9228) in a mass ratio of 1:1.5, and the heat stabilizer is an organotin heat stabilizer, calcium stearate, zinc stearate according to 2: A compound with a mass ratio of 1:0.8, the auxiliary antistatic agent is silicon dioxide, and the polymer material containing polyether blocks is a compound of polyethylene oxide and polyether ester acetamide in a mass ratio of 5:1.

[0041] The components were mixed in a high mixer for 8 minutes. The processing parameters are shown in Table 2, and the surface resistivity test data of the obtained antistatic masterbatch are shown in Table 3. Others are the same as in Example 1.

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Abstract

The invention provides an antistatic master batch, which comprises the following components in percentage by weight: 1-15 percent of alkali metal salt, 0.1-2 percent of antioxidant, 0.1-2 percent of heat stabilizer, 0.01-10 percent of assisting antistatic agent and 71-95 percent of polyether block-containing high polymer material. The invention further provides an antistatic alloy made of the master batch. The antistatic alloy comprises the following components in percentage by weight: 2-8 percent of antistatic master batch, 20-23 percent of PA66 (Polyamide 66), 20-23 percent of PA6 (Polyamide 6), 40-52 percent of PP (Polypropylene) and 1-5 percent of compatilizer. The invention further provides a preparation method of the master batch and the alloy. The preparation method comprises the following steps of: mixing the components for 1-10 minutes respectively, and discharging; and extruding and pelletizing. The antistatic master batch has surface resistivity of 102-103 ohm.m, a durable antistatic effect, small adding amount and high compatibility with multiple resins. The antistatic alloy has surface resistivity of 106-108 ohm.m, high comprehensive mechanical performance, low cost and high heat resistance.

Description

technical field [0001] The invention relates to the field of antistatic materials, in particular to an antistatic master batch, an alloy material made of the same and a preparation method for the two. Background technique [0002] Due to its 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, nylon has become the most suitable for current applications. Wide range of engineering plastics. PP is non-toxic, tasteless, low density, low price, and has good electrical properties. Common acid and alkali organic solvents have little effect on it. It is suitable for making general mechanical parts, corrosion-resistant parts and automobile and electrical parts. Adding PP to nylon can effectively improve its hygroscopicity and improve the stability of the product. At the same time, PP has a certain toughening...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/02C08K13/02C08K3/24C08K5/46C08K5/524C08K5/098C08K3/36C08K3/16C08J3/22C08L77/06C08L77/02C08L23/12
Inventor 郭建鹏陈晓东杨涛段浩
Owner 上海谊盛实业股份有限公司
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