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Title: Raman Analysis and Maping of Cellulose nanocrystal Polypropylene Composite

Source: In: Proceedings of the 15th International Symposium on Wood, Fiber and Pulping Chemistry, Oslo, Norway (June 15-18, 2009). Paper number: P-131_ISWFPC_Nano_composite_mapping. Oslo, Norway : Congress-Conference AS, 2009. 1 flash drive.

Author(s)Agarwal, U.P.; Sabo, R.; Reiner, R.S.; Clemons, C.M.; Rudie, A.W.

Publication Year: 2009  View PDF »

Category: Conference Proceedings
Associated Research Project(s):   FPL-4706-1A   FPL-4709-2A

Abstract: In this study, Raman spectroscopy was used to investigate the spatial distribution of cellulose nanocrystals (CNCs) in extruded polypropylene (PP) filaments. Raman maps, based on cellulose and PP bands, obtained at 1 micron spatial resolution showed that the CNCs were aggregated to various degrees in the PP matrix. Of the three composites analyzed, two showed clear existence of phase separated regions - Raman images with PP strong and cellulose absent or vice versa. For the third composite, the situation was slightly improved but a clear transition interface between the PP-abundant and CNC-abundant regions was observed indicating that the CNC remained poorly dispersed. Nevertheless, tensile and modulus tests of the composites indicated up to 10% improvement compared to PP alone.

Keywords: Nanotechnology; cellulose fibers; cellulose; chemical composition; composite materials; mechanical properties; fiber-reinforced plastics; fibrous composites; thermoplastic composites; elasticity; modulus of elasticity; nanostructured materials; crystallization; Raman spectroscopy; wood-plastic composites; polypropylene; extrusion process; tensile strength; nanocomposites; nanocrystals; wood-plastic materials

File size: 137 kb(s)

Date posted: 08/19/2009

This publication is also viewable on Treesearch:  view
RITS Product ID: 30795
Current FPL Scientists associated with this product (listed alphabetically)
Agarwal, Umesh P.
Research Chemist
Clemons, Craig M.
Materials Research Engineer
Rudie, Alan W.
Supervisory Research Chemist
Sabo, Ronald C.
Research Materials Engineer

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