id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brj-22229	Li, Ya-Yu; Bai, Yan-Ru; Zhang, Xin-Qian; Liu, Xin; Dai, Zhen; Jiang, Ying-Long; Yan, Yi-Bo; Liu, Zun-Qi; Ma, Ming-Guo	Preparation, Properties, and Mechanism of Anionic and Cationic Cellulose Nanocrystals/Waterborne Polyurethane Composite Films	2022	18	.pdf	application/pdf	7555	450	64	In a previous study, CNCs with sulphate acid group were added into waterborne polyurethane (WPU) to prepare WPU/CNCs composites; the CNCs provided a significant enhancement to WPU films, including tensile strength and oxygen hindrance (Li et al. 2020b). The thermal decomposition of these composite films was delayed by 15 °C compared with pure WPU film.	cache/brj-22229.pdf	txt/brj-22229.txt