Permanent anti-static electricity partes aequales (PA6)/ high-density polyethylene (HDPE) composite material and preparation method thereof
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An antistatic and antistatic masterbatch technology, applied in the field of permanent antistatic PA6/HDPE alloy and its preparation, can solve problems such as low conductivity, achieve low cost, good compatibility and improve comprehensive performance
Inactive Publication Date: 2015-07-22
SHANGHAI SUNNY
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However, PA6 / HDPE 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
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Embodiment 1-5
[0025] The raw material formula of the permanent antistatic masterbatch of embodiment 1-5 is as follows:
[0026]
[0027] 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.
[0028]
[0029]
[0030] For the permanent antistatic master batches prepared in Examples 1-5, the surface resistivity test was carried out for comparison.
[0031] The test performance comparison is shown in the table below:
[0032] project
[0033] The surface resistivity of the permanent antistatic masterbatch developed according to the above formula and process can reach 10 6 -10 8 Ω.m. can be widely used in modified PA6 / HDPE alloy; compared with the existing technology, it has long-lasting antistatic effect, small addition but good antistatic effect, little impact on PA6 / HDPE a...
Embodiment 5
[0034] Example 5 has the lowest surface resistivity and the highest cost performance.
Embodiment 6-10
[0037] The raw material formula of embodiment 6-10 is as follows:
[0038]
[0039] 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 190-215°C, and the screw rotation speed is 35-40HZ.
[0040]
[0041] According to the samples prepared in Comparative Examples 1-5, the performance test comparison was carried out, and the ASTM standard was adopted.
[0042] The test performance comparison is shown in the table below:
[0043]
[0044]
[0045] Compared with the existing technology, the permanent antistatic PA6 / HDPE alloy developed according to the above formula and process has a long-lasting antistatic effect, achieves a permanent antistatic effect, good antistatic effect, high comprehensive mechanical properties, and is close to pure PA6 / HDPE. The performance of HDPE alloy, light color can be made into va...
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Abstract
The invention relates to a permanent anti-static electricity partes aequales (PA6) / high-density polyethylene (HDPE) alloy and a preparation method of the permanent anti-static electricity PA6 / HDPE alloy. The alloy material comprises the following components and part by weight contents: 3-8 parts of a self-control anti-static electricity master batch, 640-43 parts of the PA6 , 40-52 parts of the HDPE and 1-5 parts of a compatilizer . Raw materials are weighed and taken according to the weight ratio. The raw materials are placed in a high mixing machine and the raw materials are blended for 2-5 minutes. The raw materials are discharged. Then pelletings are squeezed from a double screw rod extruder. The machining temperature is 190-215 DEG C. The number of revolutions of a screw rod is 35-40 HZ. Compared with the prior art, the permanent anti-static electricity PA6 / HDPE alloy has the advantages that the anti-static electricity effect is permanent and the effect of permanent anti-static electricity is achieved. The anti-static electricity effect is good. Analyse mechaniscs performance is high. The permanent anti-static electricity PA6 / HDPE alloy is close to the pure HDPE performance. Color is light. The permanent anti-static electricity PA6 / HDPE alloy can be matched to various kinds of colors. The permanent anti-static electricity HDPE composite material has the advantages of being low in cost, good in heat resistance and the like. Surface electrical resistivity of the permanent anti-static electricity PA6 / HDPE alloy can be arrived at 106-108 omega-m.
Description
technical field [0001] The invention relates to an antistatic alloy and a preparation method thereof, in particular to a permanent antistatic PA6 / HDPE alloy and a preparation method thereof. Background technique [0002] Nylon 6 has become the current application due to its good comprehensive mechanical properties, high heat resistance, good wear resistance, self-lubrication, good flame retardancy, excellent chemical corrosion resistance, and excellent barrier properties. The widest range of engineering plastics. HDPE is non-toxic, odorless, low density, low price, good electrical properties, good anti-permeability, such as air permeability or water vapor permeability, and high impact resistance. It is suitable for making general mechanical parts, corrosion-resistant parts, automobiles, electrical parts and wires and cables, etc. Adding HDPE to PA6 can effectively improve its hygroscopicity and improve the stability of the product. At the same time, HDPE can significantly ...
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