Cover image for Photochemistry of lignocellulosic materials
Title:
Photochemistry of lignocellulosic materials
Series:
ACS symposium series; v.531
Publication Information:
Washington, DC : American Chemical Society, 1993
ISBN:
9780841226920
General Note:
Developed from a symposium sponsored by the Division of Cellulose, Paper and Textile at the 203rd National Meeting of the American Chemical Society, San Francisco, California, April 5-10, 1992

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30000003085531 TS933.L5 P46 1993 Open Access Book Proceedings, Conference, Workshop etc.
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Summary

Summary

Provides the first joint discussion by prominent photochemists and wood chemists about the light-induced yellowing of lignin-containing paper. Presents new techniques to observe highly reactive intermediates leading to yellowing of lignin-containing paper and describes the research on the identity of yellow chromophores. Research on the reaction pathways leading to yellow chromophores and techniques of stabilizing lignin-containing papers to light-induced yellowing is discussed.


Table of Contents

Light-Induced Yellowing of Wood-Containing Papers: An Evolution of the MechanismC.Heitner
Raman Spectroscopic Evidence for Coniferyl Alcohol Structures in Bleached and Sulfonated Mechanical PulpsU.P. Agarwal and R.H. Atalla
Action Spectra in the UV and Visible Region of Light-Induced Changes of Various Refiner PulpsI. Forsskahl and H. Tylli
Photochemistry of Quinones and Hydroquinones in Solid 2-Hydroxypropylcellulose Films and on Filter Paper: UV--Visible Absorption and Diffuse Reflectance SpectroscopyA. Castellan and A. Nourmamode and C. Jaeger and I. Forsskahl
Photoreactivity of Ligninlike Quinoid StructuresA.J. Ragauskas
Diffuse Reflectance Laser Flash Photolysis of Thermomechanical PulpF. Wilkinson and A. Goodwin and D.R. Worrall
Primary Photophysical and Photochemical Processes of a-Guaiacoxyacetoveratrone: Time-Resolved Chemically Induced Dynamic Electron Polarization and Optical Emission StudiesJ.K.S. Wan and I.A. Shkrob and M.C. Depew
Laser Techniques in the Study of the Photochemistry of Carbonyl Compounds Containing Lignin-like MoietiesA.B. Berinstain and M.K. Whittlesey and J.C. Scaiano
Photodegradation of a-Guaiacoxyacetoveratrone: Triplet-State Reactivity Induced by Protic SolventsJ.A. Schmidt and E.Goldszmidt and C. Heitner and J.C. Scaiano and A.B. Berinstain and L.J. Johnson
Formation of Leucochromophores during High-Yield Pulping and H2O2 BleachingG.Gellerstedt and L. Zhang
Photochronic Behavior of UV-Irradiated Mechanical PulpsM. Ek and H. Lennholm and G. Lindblad and T. Iversen and D.G. Gray
Photocycling of Chromophoric Structures during Irradiation of High-Yield PulpsI. Forsskahl and C. Maunier
Gamma-Ray Induced Chromophore Modification of Softwood Thermomechanical PulpS. Robert and C. Daneault and F. Lepine and C. Viel and D. Rousseau
Weathering and Photodegradation of CelluloseG. Buschle-Diller and S.H. Zeronian
Inhibition of Light-Induced Yellowing of Lignin-Containing PaperC. Heitner
Effect of Chemical Modification with Polyethylene Glycol on the Brightness Stability of Lignin Model Compounds and High-Yield PulpB.J.W. Cole and S.P. Huth and P.S. Runnels