Journal
CELLULOSE
Volume 26, Issue 4, Pages 2201-2208Publisher
SPRINGER
DOI: 10.1007/s10570-019-02253-y
Keywords
Post-processing; Controllable optical haze; UV-blocking; Zn(II)-terpyridine; Oxidized cellulose nanofibrils
Funding
- National Natural Science Foundation of China [21703131, 31370578]
- Doctoral Scientific Research Foundation of Shaanxi University of Science and Technology [2016BJ-40]
- State Key Laboratory of Pulp and Paper Engineering [201821]
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For Zn-nanopapers obtained from grafting of Zn(II)-terpyridine complex (Zn-tpy) into tCNFs (2,2,6,6-tetramethylpiperidine-1-oxyl radical, TEMPO, oxidized cellulose nanofibrils), their optical hazes were first found to be highly dependent on alcohol-characteristic solvent stimulation. By addressing the controllable issue of benzyl alcohol (BA) disposal, the optical haze of Zn-nanopaper was adjusted to regulate from BA-induced instability wrinkling and swelling patterns, which was dictated by Zn-nanopaper thickness. Moreover, upon long-term UV radiation, these Zn-nanopapers exhibited stable UV-blocking, which, together with the optical haze adjustment, offered an opportunity for utilization in fluorescent lamps, flat panel displays or glass walls. [GRAPHICS] .
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