Why this happen with balloon?

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Offline anri1

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Why this happen with balloon?
« on: 25/02/2015 19:56:19 »
Hello.

I accidentally discovered this.
Can you explain why this happen with balloon. What causes this?
http://www.youtube.com/watch?v=Uhd3gIJn034

Thanks.

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Offline chiralSPO

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Re: Why this happen with balloon?
« Reply #1 on: 25/02/2015 20:32:58 »
This is probably the result of limonene from the orange dissolving or weakening the rubber balloon. Limonene (http://en.wikipedia.org/wiki/Limonene) is an essential oil that is present in orange peels in fairly high concentrations (the pure compound smells very strongly of orange). Limonene is a hydrocarbon, and as such is quite flammable (https://www.youtube.com/watch?v=XUp4TfhBaZU note: the oil is not an ether, as claimed in the title of the video), and is also an excellent non-polar solvent--limonene or "orange oil" is used as paint thinner, industrial cleanser and solvent.

Not sure what the balloon is made of, but could be natural rubber (http://en.wikipedia.org/wiki/Natural_rubber#Chemical_makeup), butyl rubber (http://en.wikipedia.org/wiki/Butyl_rubber) or neoprene (http://en.wikipedia.org/wiki/Neoprene) all of which are either soluble in limonene, or absorb it and swell (making them weaker).

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Offline anri1

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Re: Why this happen with balloon?
« Reply #2 on: 25/02/2015 20:45:24 »
Thank you chiralSPO for quick replay.