Fabrication of regenerated cellulose nanoparticles/waterborne polyurethane nanocomposites

2018 ◽  
Vol 135 (35) ◽  
pp. 46633 ◽  
Author(s):  
Eunjoo Shin ◽  
Soonmo Choi ◽  
Jaewoong Lee
Keyword(s):  
Waterborne Polyurethane ◽  
Regenerated Cellulose ◽  
Cellulose Nanoparticles ◽  
Polyurethane Nanocomposites

scholarly journals One-Pot Processing of Regenerated Cellulose Nanoparticles/Waterborne Polyurethane Nanocomposite for Eco-friendly Polyurethane Matrix

Polymers ◽  
2019 ◽  
Vol 11 (2) ◽  
pp. 356 ◽  
Author(s):  
Soon Choi ◽  
Min Lee ◽  
Eun Shin
Keyword(s):  
Waterborne Polyurethane ◽  
Mechanical Analysis ◽  
Urea Solution ◽  
Infrared Analysis ◽  
Regenerated Cellulose ◽  
One Pot ◽  
Cellulose Nanoparticles ◽  
Waterborne Polyurethanes ◽  
Stability Of A Solution ◽  
Novel Interactions

Regenerated cellulose nanoparticles (RCNs) reinforced waterborne polyurethanes (WPU) were developed to improve mechanical properties as well as biodegradability by using a facile, eco-friendly approach, and introducing much stronger chemical bonding than common physical bonding between RCNs and WPU. Firstly, RCNs which have an effect on improving the solubility and stability of a solution, thereby resulting in lower crystallinity, were fabricated by using a NaOH/urea solution. In addition, the stronger chemical bond between RCNs and WPU was here introduced by regarding at which stage in particular added RCNs worked best on strengthening their bond in the process of WPU synthesis. The chemical structure, mechanical, particle size and distribution, viscosity, and thermal properties of the resultant RCNs/WPU nanocomposites were investigated by Fourier transform infrared analysis (FTIR), Zeta-potential analysis, viscometer, thermogravimetric analysis (TGA), Instron, and dynamic mechanical analysis (DMA). The results of all characterizations indicated that the RCNs/WPU-DMF associated with the addition of RCNs in DMF-dispersed step resulted in more effectively crosslinked between WPU and nano-fillers of nanocellulose particles in the dispersion than Acetone and Water-dispersed steps, thereby attributing to novel interactions formed between RCNs and WPU.

Properties of Graphene/Waterborne Polyurethane Nanocomposites Cast from Colloidal Dispersion Mixtures

2011 ◽  
Vol 51 (1) ◽  
pp. 197-207 ◽  
Author(s):  
Sang Hyop Choi ◽  
Dong Hoon Kim ◽  
Anjanapura V. Raghu ◽  
Kakarla Raghava Reddy ◽  
Hyung-Il Lee ◽  
...  
Keyword(s):  
Waterborne Polyurethane ◽  
Colloidal Dispersion ◽  
Polyurethane Nanocomposites

Effect of reactive organoclay on physicochemical properties of vegetable oil-based waterborne polyurethane nanocomposites

RSC Advances ◽  
2015 ◽  
Vol 5 (15) ◽  
pp. 11524-11533 ◽  
Author(s):  
T. Gurunathan ◽  
Smita Mohanty ◽  
Sanjay K. Nayak
Keyword(s):  
Physicochemical Properties ◽  
Vegetable Oil ◽  
Castor Oil ◽  
Environmentally Friendly ◽  
Waterborne Polyurethane ◽  
Isophorone Diisocyanate ◽  
Polyurethane Nanocomposites

The environmentally friendly vegetable oil-based waterborne polyurethane–organoclay nanocomposites have been successfully synthesized from castor oil polyols, isophorone diisocyanate and dimethylolpropionic acid.

Regenerated cellulose aerogel: Morphology control and the application as the template for functional cellulose nanoparticles

2020 ◽  
Vol 137 (38) ◽  
pp. 49127
Author(s):  
Yue Tang ◽  
Han‐Qing Wang ◽  
De‐Fa Hou ◽  
Huang Tan ◽  
Ming‐Bo Yang
Keyword(s):  
Morphology Control ◽  
Regenerated Cellulose ◽  
Cellulose Nanoparticles ◽  
Cellulose Aerogel

Two different incorporation routes of cellulose nanocrystals in waterborne polyurethane nanocomposites

2016 ◽  
Vol 76 ◽  
pp. 99-109 ◽  
Author(s):  
Arantzazu Santamaria-Echart ◽  
Lorena Ugarte ◽  
Aitor Arbelaiz ◽  
Nagore Gabilondo ◽  
Maria Angeles Corcuera ◽  
...  
Keyword(s):  
Cellulose Nanocrystals ◽  
Waterborne Polyurethane ◽  
Polyurethane Nanocomposites
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