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etching polymer surface

thread116-267929

etching polymer surface

etching polymer surface

(OP)
Hello everyone,
Greetings!
I would appreciate any guide about etchant for modifying polymer film surface.

I like to modify surface roughness (random) of poly(vinyl alcohol) films. I was wondering if there is any wet(chemicals like strong acid or base) or dry (plasma or ion beam) etching techniques ?

thanks
masuk
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