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Title: An Experimental estimation of liquid absorption coefficient for cellulose Nano-Fiber films

Source: In:Eleventh International Conference on Flow Processes in Composites Material (FPCM) in Auckland, New Zealand, July 9-12, 2012.

Author(s)Javadi, A.; Pillai, K.M.; Sabo, R.

Publication Year: 2012  View PDF »

Category: Conference Proceedings
Associated Research Project(s):   FPL-4706-2A

Abstract: While making polymer composites from natural fibers using the liquid composites molding (LCM) process, the fibrous porous medium inside the LCM mold undergoes swelling and porosity reduction as a result of enlargement of natural fibers due to liquid absorption. The preforms made from plant-derived cellulose nanofibers (CNF) have a potential for creating higher-quality and bio-based green composites. The absorption coefficient, b, plays a very important role in the modified continuity equation that is proposed for such swelling media for conducting LCM mold-filling simulations. Past research has shown that an ad-hoc value of unity for b, is quite good for modeling flows in LCM molds packed with natural fibers. In this paper, a simple dipping experiment is proposed to estimate b directly using a microbalance. The final results indicate that b is indeed one for CNF preforms as measured with water as the wetting liquid.

Publication Review Process: Non-Refereed (Other)

File size: 350 kb(s)

Date posted: 10/25/2012
RITS Product ID: 62656
Current FPL Scientist associated with this product
Sabo, Ronald C.
Research Materials Engineer
  

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