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Study on Preparation and Properties of Chitosan/Cellulose Fiber Composite Paper
Received:August 28, 2020  
DOI：10.11980/j.issn.0254-508X.2020.11.001
Key Words:composite paper  chitosan  packaging materials  water resistance
Fund Project:国家重点研发计划(2018YFD0400701)；国家自然科学青年科学基金(31700508)；广东省自然科学基金(2020B1515020021)；广州市珠江科技新星专项(201806010141)。
Author NameAffiliationPostcode
LI Guanhui State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
MO Qiyong State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
HU Wen State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
HOU Gaoyuan State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
XIE Hong State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
ZHANG Dejian State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
CUI Jinyi State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
FANG Zhiqiang State Key Lab of Pulp and Paper Engineering，South China University of Technology，Guangzhou，Guangdong Province，510640 510640
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Abstract:In this paper， a composite paper was prepared through filling chitosan into porous structure of paper by an impregnation process and its optical and mechanical properties as well as water resistance were investigated . The results indicated that all composite papers preparing with the papers from the pulps of eucalyptus， reed， fir and jute and chitosan exhibited excellent optical and mechanical properties. Among these composite papers， chitosan/eucalyptus fiber composite paper （70 g/m2 in basis weight， containing 60% chitosan） had the optimum properties， which showed a transparency of 88%， an optical haze of 88%， a tensile strength of 75.0 MPa， a toughness of 7.68 MJ/m3， and an average folding endurance of over 5000 times. Meanwhile， it showed a good water resistance， approximately 38.1% of its wet tensile strength was retained after saturated water absorption reached 43.9%， with a merely 12.5% increasing in its thickness.
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