Across
- 3. A term to describes the reaction rate or the extent to which cellulose reacts with chemical reagents
- 4. The major non-cellulosic carbohydrate component of wood that decreases the alpha content of pulp
- 6. A term to describe the ease with which chemical reagents penetrate cellulose fibres to reach the reaction sites of the cellulose
- 8. A three letter abbreviation to describe the molecular polydispersity of cellulose
- 9. The highly ordered region in a cellulose matrix
- 10. A functional group consisting of a carbon atom double bonded to an oxygen atom that can affect cellulose reactivity
- 11. Central cavity of a cellulose fibre
- 15. The degree of ______ of cellulose is inferred by dissolving the cellulose in a solvent and measuring the solution viscosity
- 17. The ______cell wall is the rigid outermost cell wall in plant fibres containing about 70% lignin, that is usually removed during
- 18. The major non-carbohydrate component of wood that contributes to pulp yellowing
- 19. Inorganic impurities in pulp, e.g. silica, that contribute to filter blockages and spinning faults in Lyocell and Viscose processes
- 20. This cell wall makes up the bulk of the cellulose fibre and is the main driver of the physical and mechanical properties of the fibre
Down
- 1. The structural level of cellulose that is made up of amorphous and crystalline cellulose
- 2. Openings in the surface of the fibre that can affect cellulose accessibility
- 5. The Middle ______ is he lignin rich layer which cements the cell walls of two adjoining cellulose fibres together
- 7. Colour forming compound
- 12. The process during which cellulose fibre properties are altered through repeated drying and wetting
- 13. Fibre ______ is measured using a Morfi analyser
- 14. Many of these together form a cellulose fibre
- 16. The low ordered region in a cellulose matrix