Abstract
Cellulosic self-reinforcing composites (CSRCs) were rapidly obtained by the partial dissolution of wood and bamboo pulp using a new, green aqueous solvent at 8 °C. The effect of the solvent system on raw materials was investigated and it was found that lignin, and degree of polymerization (DP) hindered the self-reinforcing process. CSRCs were characterized in terms of scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. The results demonstrate cellulose I was replaced partially by cellulose II, which acts as a matrix for the linking fibers. The tensile strength of the softwood dissolving pulp was shown to have increased by a factor of >9.
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