> I see an opportunity for an article about water repellency, water repellency treatments, durability issues,
Yeah, so do I, but the test equipment to do this properly and objectively will be expensive.
Part of the problem here is that every company keeps its treatment **details** confidential, and only publishes that information which suits itself.
But never fear, we will keep it in mind.
> future developments and if they can deliver what they promise, ...
I can answer that one straight away: Nope. :-)
> What can we expect from nanotreatments, nanofibers, ... ?