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We prepared a series of novel water-resistant cellulose films by coating castor oil-based polyurethane (PU)/benzyl konjac glucomannan (B-KGM) semi-interpenetrating polymer networks (semi-IPN) on regenerated cellulose (RC) films, which was obtained from cotton linter in 6 wt% NaOH/5 wt% thiourea aqueous solution by coagulating with 5 wt% H 2 SO 4 aqueous solution. The effect of B-KGM...
A series of blend films from cellulose acetate (CA) and castor oil-based polyurethane (PU) were prepared. Morphology, miscibility, free volume behavior and properties of such blend films were investigated by wide-angle X-ray diffraction (WXRD), infrared, scanning electron microscopy (SEM), differential scanning calorimetry (DSC), positron annihilation lifetime spectroscopy (PALS), thermogravimetric...
A series of semi-interpenetrating polymer network (semi-IPN) films coded as UB from castor oil-based polyurethane (PU) and benzyl konjac glucomannan (B-KGM) were prepared, and they have good or certain miscibility over entire composition range. Morphology, miscibility and properties of the UB films were investigated by using scanning electron microscopy (SEM), differential scanning calorimetry, dynamic...
A series of graft-interpenetrating polymer networks (graft-IPNs) with different NCO/OH molar ratio was synthesized from castor oil-based polyurethane (PU) and nitrolignin (NL) by changing the content of 1,4-butanediol as chain-extender. The effects of NCO/OH molar ratio on the morphology and properties of the PU–NL films (UL) were investigated by infrared, wide-angle X-ray diffraction (WAXD), differential...
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