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Physical structures of aqueous cellulose nanocrystal (CNC) suspensions in anionic polyelectrolyte carboxymethyl cellulose (CMC) and non-ionic poly(ethylene oxide) (PEO) were investigated by studying their cross polarized, polarized optical microscope (POM) images and dynamic light scattering, zeta potential, 1H spin–lattice relaxation nuclear magnetic resonance (NMR) data. The presence of anionic...
Polyacrylonitrile-co-methacrylic acid (PAN-co-MAA) and cellulose nanocrystal (CNC) composite films were produced with up to 40 wt% CNC loading through the solution casting method. The rheological properties of the solution/suspensions and the structural, optical, thermal, and mechanical properties of the resulting films were investigated. The viscosity of the composite suspensions increased with higher...
In museums, libraries and archives, some of the paper relics, upon ageing, are very brittle and even cannot be handled without destroying the material. This is because of the depolymerization of cellulose and, consequently, the loss of mechanical strength. To prolong the life expectancy of paper relics, the poly(methyl methacrylate-co-butyl acrylate-co-styrene) (MMA-BA-ST) was used to strengthen the...
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