Discover a Game-Changing Sticky Expanding Liquid for Trapping Objects

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The discussion revolves around the concept of creating a sticky, expanding liquid that could trap objects, similar to a combination of quicksand and glue. The idea suggests deploying this substance from a height or using it in a pit to ensnare targets effectively, akin to a human version of fly trap tape for military applications. Participants mention that similar technologies are under development, including a liquid that polymerizes upon contact with air and a net with adhesive properties. Additionally, auxetic materials, which absorb impact by contracting under compression, are highlighted as a potentially relevant technology for enhancing the effectiveness of such trapping mechanisms. The conversation emphasizes ongoing research and the exploration of innovative materials for practical applications.
Lancer2death
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Hi I am new to physics and this website so forgive me if I am n the wrong section and kind of slow.
Would it be possible to make some kind of sticky expanding liquid for trapping things in. I am thinking of a combination of quicksand and glue. This would be something that would be in a pit or you would drop it from the sky and it would dispurs upon impact, expanding and getting everything stuck in it. Think of human form of sticky fly trap tape that can be used by an army.
P..s. sorry if this violates theu dangerous chemicals rule
 
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polyurethane foam
 
Lancer! Aha, we meet again!
There has actually been something of the sort in development for quite a while, but I don't think that it has been perfected yet. At least, I've never heard of it being deployed in the field.
There were a few different approaches being investigated. One was a large net with or without an adhesive coating. The one that your post most reminds me of, though, is something along the lines of an aerogel mixed with some sticky stuff. If I recall correctly, it gets sprayed out as a liquid and then polymerizes upon contact with air.
I regret that my memory fails me, so I can't help you.
 
Hello again danger! I am glad I am in good hands. Its okay that u can't remember. I will research what u have listed alrdy. Tygerdawg I looked up the foam . It looks cool and close to what I am thinking
 
Hey Lancer,

I've read a bit about auxetic materials being developed by the military in body armour to absorb the impact of bullets and such, which is a similar concept to what you describe.

Auxetic materials have a negative Poisson's ratio, i.e. the contract under compression rather than expand, absorbing more energy. Quite a good poster by Uni of Southamption here:
http://www.southampton.ac.uk/ncats/Downloads/nCATS%20Launch%20Posters/highstrainmaterialsforbodyarmouricrcksfwjwrw.pdf

Could this be useful?
 
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