Mechanical and Water-Resistant Properties of Eco-Friendly Chitosan Membrane Reinforced with Cellulose Nanocrystals.
作者： Haiquan Mao , Chun Wei , Yongyang Gong , Shiqi Wang , Wenwen Ding
关键词:
摘要: Environmentally benign and biodegradable chitosan (CS) membranes have disadvantages such as low mechanical strength, high brittleness, poor heat resistance water resistance, which limit their applications. In this paper, home-made cellulose nanocrystals (CNC) were added to CS prepare CNC/CS composite through mixing solution casting approaches. The effects of CNC dispersion patterns contents on the properties studied. analysis surface cross-section morphology showed that performance membrane was better in case dissolved an acetic acid then mixed with by a homogenizer (Method 2). had great length-diameter ratio intensely interacted CS. prepared Method 2 better. With content 3%, tensile strength reached 43.0 MPa, 13.2% higher than CNC-free membrane. elongation at break 41.6%, 56.4% Thermogravimetric, contact angle swelling results addition could improve
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