“Wool produces static electricity by friction with plastic, which may cause defects in a PC”,
I started to research about it.
How is static electricity produced?
〇There is electricity on any substance on the earth.
〇The electricity is composed of positive electricity and negative electricity.
〇These two are stable by keeping balance.
〇When a substance gets friction or strong power, negative electricity that is weaker in stability is peeled from it, and only positive electricity remains.
〇This condition is being electrified.
〇The positive electricity which lost negative electricity wants to bond with negative one that remains on a metal part etc. again, by using dry air where electricity can conduct more easily.
〇At the moment of bonding, an electric discharge happens. ←this is static electricity.
The static electricity that is caused by friction with two substances
〇The friction between substances with positive or negative electricity that are far from each other in the Triboelectric series (the diagram below) produces bigger static electricity.
〇The friction between wool products and acrylic products produces the biggest static electricity.
Substances that conduct, or don’t conduct electricity
〇Substance that conducts electricity too much, producing electric shock: metal
〇Substances conduct electricity, being able to discharge electricity slowly, and don’t cause electric shock: wood, paper, concrete, bricks, tires
*Although most of leather and stones conduct static electricity, they become difficult to conduct electricity when the air is very dry.
〇substances which don't conduct static electricity neither causing electric shock, nor discharging electricity : plastic, glass, rubber
....So,
You can see that wool is the representative material that produces static electricity by friction with plastic products.
Then, how can I solve this problem?
What came to my mind first was:
●To avoid contact with PC and wool by using cotton or linen linings
And then...
●Utilizing fabric softeners and antistatic agents
It’s possible to avoid producing static electricity by utilizing fabric softener or antistatic agents when you wash or use cloths, because they contain ingredients that make fabric’s surfaces smooth, and discharge static electricity.
●Using antistatic fiber
There is fabric called carbon impregnated conductive fiber which discharges static electricity and able to avoid being electrified, and there is also natural fiber, bamboo fabric which is difficult to be electrified more than silk or cotton.
... It doesn’t matter if it’s cotton or linen, or antistatic fabric, using any fabrics would make me feel disappointed as a design, because there come overlying edges to prevent raveling, side by side with beautiful section of thick wool felt.
... I’m not sure how long fabric softeners and antistatic agents are effective, and I have a sense of resistance to apply chemicals on the natural material.
So my choice could be...
genuine leather!?
Yes, genuine leather!
Leather is the material that can discharge static electricity slowly and hard to be electrified. And it goes well with felt because its edge can be left just being cut. Although it’s luxury, I want to go on using leather as a lining of wool felt!
It would be very expensive if I wholesale the product…
I shall sell it exclusively through Aika Felt Works webshop as a made-to-order craft work … !!
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