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Foam sucks up and releases oil like a sponge, NewScientist, 11 March 2017, p 14

In US, the Argonne National Laboratory has developed a simple foam of polyurethane or polyamide plastics coated with ‘oil loving’ silane molecules that capture spilled oil up to 90 times its own weight that can then be squeezed out like a sponge for re-use.   Warehouse collections of the foam could be stored near shores where clean-up is particularly difficult. 

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