Liquid flame spray technology enables low-cost, large-scale nanoparticle deposition in roll-to-roll processes for controlling wettability and creating functional surfaces SiO2 nanocoating has higher abrasion resistance than TiO2 coating, possibly due to better interparticle sintering Wettability properties of the LFS nanoparticle coated paperboard are partially maintained after abrasion with a paper surface or compression through calendering The changes in wettability are due to smoothening of the nanoparticle surface
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