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(a) Photo images of the samples C-30%, C-50%, C-70%, C-90%, with the control PC plate as a reference, the samples were first stored in a refrigerator (−20 °C) for 2 h, and the photo images were collected after being exposed to ambient conditions (20 °C, 30–35% relative humidity). (b) The related light transmission over the range of 400–800 nm at the normal incident angle for resultant coatings with the control PC plate as reference.
