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Materials 2016, 9(1), 4;

Preparation and Characterization of Blended Films from Quaternized Hemicelluloses and Carboxymethyl Cellulose

Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, China
Author to whom correspondence should be addressed.
Academic Editor: Jun-ichi Anzai
Received: 29 October 2015 / Revised: 15 December 2015 / Accepted: 15 December 2015 / Published: 23 December 2015
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Utilization of hemicelluloses from biomass energy is an important approach to explore renewable resources. A convenient, quick, and inexpensive method for the preparation of blended films from quaternized hemicelluloses (QH) and carboxymethyl cellulose (CMC) was introduced into this study. QH and CMC solution were first mixed to form homogeneous suspension, and then were dried under vacuum to fabricate the blended films. The FT-IR and XRD results indicated that the linkage between QH and CMC was due to the hydrogen bonding and electrostatic interaction. From the results of mechanical properties and water vapor permeability (WVP), the tensile strength of the blended films increased with the QH/CMC content ratio increasing in appropriate range, and the WVP of the blended films decreased. The maximum value of tensile strength of blend film achieved was 27.4 MPa. In addition, the transmittances of the blended films increased with the decreasing of QH/CMC content ratio. When the weight ratio (QH: CMC) was 1:1.5, the blend film showed the best light transmittance (45%). All the results suggested that the blended films could be used in areas of application in the coating and packaging fields from the good tensile strength, transmittance, and low WVP. View Full-Text
Keywords: blend film; quaternized hemicelluloses; carboxymethyl cellulose blend film; quaternized hemicelluloses; carboxymethyl cellulose

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Qi, X.-M.; Liu, S.-Y.; Chu, F.-B.; Pang, S.; Liang, Y.-R.; Guan, Y.; Peng, F.; Sun, R.-C. Preparation and Characterization of Blended Films from Quaternized Hemicelluloses and Carboxymethyl Cellulose. Materials 2016, 9, 4.

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