Why does stretch film and polyolefin shrink film generate static electricity?

Why does stretch film and polyolefin shrink film generate static electricity?

When packaging and printing, the products printed by stretch film and polyolefin shrink film should be taken into account that stretch film and polyolefin shrink film will generate static electricity. So why does plastic stretch film and polyolefin shrink film generate static electricity?

1. Microscopic reasons: according to the theory of atomic physics, the substance is in the state of electric balance when it is electrically neutral. The gain and loss of electrons are generated due to the contact of different substances, which leads to the loss of electrical balance and the generation of static electricity.

2. Macroscopic reasons: heat generation by friction between objects, and electron transfer by excitation; Contact and separation between objects produces electron transfer; Electromagnetic induction causes the unbalanced distribution of charge on the surface of the object. Combined effects of friction and electromagnetic induction.

Both stretch film and polyolefin shrink film are polymer materials, and the surface resistance volume resistance is greater than 10 to 12. Therefore, it gives the material of stretch film and polyolefin shrink film good insulation performance. Because of this reason, it is very easy to generate static electricity, because stretch film and polyolefin shrink film and its products are very possible in the production and transportation, contact, separation, friction collision, electromagnetic induction induction occasions, or even impossible to avoid these occasions. That's what creates static electricity.

We must consider the potential harm caused by static electricity, so that we can have a better grasp of the stretch film and polyolefin shrink film process. By using better packaging and printing technology, our craft has been recognized by more and more people.

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