Jack White famously plays/played a plastic guitar, and got, in my opinion, pretty excellent tones out of it, but (a) you're asking about "acoustics," which don'

Jack White famously plays/played a plastic guitar, and got, in my opinion, pretty excellent tones out of it, but (a) you're asking about "acoustics," which don't apply in the same way with an electric guitar, and (b) his tone is/was produced almost entirely by his amps and pedals.