From: Improved permeate flux and rejection of ultrafiltration membranes prepared from polyethylene terephthalate (PET) bottle waste
Membrane
Polymer source
Porosity
(%)
Water contact angle (°)
Membrane - PET bottle
Used PET bottle
69.7 ± 0.5
65.5 ± 1.4
Membrane - PET resin
PET resin
71.0 ± 1.2
65.8 ± 1.1