What happens in Fabric to make a wrinkle stay wrinkled, upon hanging fabric up?

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Offline Karen W.

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What Is it that does this, and allows the wrinkle to stay and not relax when hung?

Why does hanging the fabric not pull the wrinkle out?

When steaming the fabric, what is the steam actually doing to remove the wrinkle?
« Last Edit: 10/02/2008 15:39:26 by Karen W. »

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Offline rosalind dna

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Karen I think that because the steam from an iron may make the material
relax or just slightly damp enough to remove the wrinkles.
It works like that for me.
Rosalind Franklin was my first cousin and one my life's main regrets is that I never met this brilliant and beautiful lady.
She discovered the Single DNA Helix in 1953, then it was taken by Wilkins without her knowledge or agreeement.

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Offline Karen W.

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Yes thank you Rosalind, I think I was wondering more like was there any structural changes or more unseen changes taking place.. does it change the molecular structure at all whilst pulling out the wrinkle?

Does the Steam change the molecular structure of the fabric in order to remove the wrinkle?

"Life is not measured by the number of Breaths we take, but by the moments that take our breath away."

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Offline DoctorBeaver

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Wrinkles are caused by heat & water. Heat breaks the bonds holding polymers in place in the fibres of a fabric so they become less rigid. This means they can move a bit. As the fabric cools, new bonds form, and the fibres get locked into position. That is also how ironing gets wrinkles out.

Leaving your clothes in a heap to cool down, rather than hanging them up, will cause wrinkles for the same reason.

Jeesh, here's me telling 2 females about washing & ironing!  [:o]
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Offline Karen W.

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Jeesh I know about the wet cold and heat etc.. LOL I did not know about "heat breaking down polymers in place in the fibers of a fabric so they become less rigid." or "fabric cools and new bonds form"

Thanks Doc!

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Offline JnA

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Jeesh, here's me telling 2 females about washing & ironing!  [:o]

ok, just to make everyone feel better I'll outsource my ironing and washing to you all for practice.

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Offline DoctorBeaver

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Jeesh, here's me telling 2 females about washing & ironing!  [:o]

ok, just to make everyone feel better I'll outsource my ironing and washing to you all for practice.

Is that because irons are not allowed in Australia for health reasons?  [:D]
Fledgling science site at http://www.sciencefile.org/SF/content/view/54/98/ needs members and original articles. If you can help, please join.

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Offline rosalind dna

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LOL LOL LOL Well irons are definitely allowed in my home.
Rosalind Franklin was my first cousin and one my life's main regrets is that I never met this brilliant and beautiful lady.
She discovered the Single DNA Helix in 1953, then it was taken by Wilkins without her knowledge or agreeement.