CPC C08J 5/18 (2013.01) [B01J 19/123 (2013.01); C08B 15/04 (2013.01); C08H 6/00 (2013.01); C08L 1/04 (2013.01); C08L 1/08 (2013.01); D21H 21/48 (2013.01); G02B 5/208 (2013.01); G02B 5/223 (2013.01); B82Y 30/00 (2013.01); C08J 2301/02 (2013.01); C08J 2497/00 (2013.01)] | 10 Claims |
1. A method of making a visibly transparent, UV-blocking film, the method comprising:
(a) dispersing cellulose nanocrystals in an aqueous, alkaline solution to yield a dispersion;
(b) casting the dispersion of step (a) onto a substrate; and then
(b) evaporating the aqueous, alkaline solution for a time and at a temperature to yield a homogeneous, visibly transparent film.
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