why does heat travel from the iron to the shirt

Here are some methods: 1. Dip a cotton swab or edge of a cloth into some rubbing alcohol. Rub it on the back of the shirt right behind the iron-on letter. Wait about 10 seconds and then try to peel of the letter. Repeat if necessary. 2. Use a lint brush or a wire brush to scrub the last pieces off of the shirt. Brush smooth and gently until the pieces come off. The pieces should start to come off in little balls. 3. Wash the shirt in hot water and scrub with hands or wire brush. any remaining glue should come off of the shirt. 4.

Use the iron method if none of the other methods work. Wet the shirt and put it face up with a piece of parchment on top. Put your iron on the cotton setting and rub over the parchment. Peel off the parchment. It should have the transfer on it. 5. If there are still little bits of the letter on there, then repeat step four or use steps 1-3.

Hope I helped!!
Chris - Thinking of the pure physics of it, if you've got a very hot iron and you've got say, a cotton, then the cotton is a polymer, and polymers are made of lots of long strands of molecules and in order for molecules to get past or slip past one another, they've got to be vibrating. So if you look at rubber for example, it's very stretchy when it's at room temperature because if you make it warm or it's room temperature, then the molecule shaking around makes it very easy for them to slip past one another and to line up neatly.

So your cotton is quite similar. If the iron puts some heat in and you steam iron, so you put some water in as well, then the water probably helps to dissolve some salts which are from the washing powder and things between the particles. It also provides lubrication and the heat increases the energy of the molecules so they're all shaking around.

And this enables them all to slip past each other very beautifully and all line up, and make a crease-free shirt. So I think that's basically the physics of why ironing works because if you use a cold iron of exactly the same weight and even some steam, or some water, it doesn't work in the same way. You need that temperature, don't you?

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