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Original Article | Open Access

Preparation and Characterization of Nanocrystalline Cellulose/Poly (lactic acid) Composite Membranes

MeiChun Ding1, ChenWei Li2, FuShan Chen1( )
College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, State Key Laboratory Base of Eco-chemical Engineering, Qingdao, Shandong Province, 266042, China
College of Materials Science and Engineering, Laboratory of Fiber Materials and Modern Textile, Qingdao University, Qingdao, Shandong Province, 266071, China
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Abstract

Nanocrystalline cellulose (NCC)/poly (lactic acid) (PLLA) composite membranes were prepared by the solution casting method. Physical and chemical modifications were performed to improve the compatibility of NCC and PLLA. The results indicated that the NCC dispersibility of the composite membranes with chemical modification were superior to that of the composite membranes with physical modification. Moreover, the chemical modification NCC not only had a large effect on the nucleation and growth of the crystals, but also affected the crystal forms of PLLA. This was because chemical reactions took place between the silicone of silane coupling agent (KH-570) and the hydroxyl groups of NCC during blending. The chemical modification NCC could be dispersed stably in the PLLA matrix, and it played the role of a nucleating agent.

Keywords

modificationNCCPLLAcomposite membranes

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Paper and Biomaterials
Volume 2 Issue 3,
July 2017
Pages 28-34
DOI: 10.26599/PBM.2017.9260018
Cite this article:
Ding M, Li C, Chen F. Preparation and Characterization of Nanocrystalline Cellulose/Poly (lactic acid) Composite Membranes. Paper and Biomaterials, 2017, 2(3): 28-34. https://doi.org/10.26599/PBM.2017.9260018

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Received: 11 April 2017
Accepted: 04 May 2017
Published: 25 July 2017
© 2017 Paper and Biomaterials Editorial Board

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
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