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This book addresses both classic concepts and state-of-the-art technologies surrounding cellulose science and technology. Integrating nanoscience and applications in materials, energy, biotechnology, and more, the book appeals broadly to students and researchers in chemistry, materials, energy, and environmental science. * Includes contributions from leading cellulose scientists worldwide, with five Anselm Payen Cellulose Award winners and two Hayashi Jisuke Cellulose Award winners * Deals with a highly applicable and timely topic, considering the current activities in the fields of…mehr
This book addresses both classic concepts and state-of-the-art technologies surrounding cellulose science and technology. Integrating nanoscience and applications in materials, energy, biotechnology, and more, the book appeals broadly to students and researchers in chemistry, materials, energy, and environmental science. * Includes contributions from leading cellulose scientists worldwide, with five Anselm Payen Cellulose Award winners and two Hayashi Jisuke Cellulose Award winners * Deals with a highly applicable and timely topic, considering the current activities in the fields of bioeconomies, biorefineries, and biomass utilization * Maximizes readership by combining fundamental science and application development
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Thomas Rosenau, PhD, is a professor at BOKU University Vienna, holding the Chair of Wood, Pulp and Fiber Chemistry and heading both the Division of Chemistry of Renewable Resources and the Austrian Biorefinery Center Tulln. Antje Potthast, PhD, is a professor in the Department of Chemistry and is the deputy head of both the Division of Chemistry of Renewable Resources and the Austrian Biorefinery Center Tulln. Johannes Hell, PhD, is a technical manager at a Viennese chocolate factory.
Inhaltsangabe
Author Biography xv
List of Contributors xvii
Preface xxiii
Acknowledgements xxv
1 Aminocelluloses - Polymers with Fascinating Properties and Application Potential 1 Thomas Heinze, Thomas Elschner, and Kristin Ganske
1.1 Introduction 1
1.2 Amino-/ammonium Group Containing Cellulose Esters 2
1.2.1 (3-Carboxypropyl)trimethylammonium Chloride Esters of Cellulose 2
3 Synthesis of Cellulosic Bottlebrushes with Regioselectively Substituted Side Chains and Their Self-assembly 49 Keita Sakakibara, Yuji Kinose, and Yoshinobu Tsujii
3.1 Introduction 49
3.2 Strategy for Accomplishing Regioselective Grafting of Cellulose 52
3.3 Regioselective Introduction of the First Polymer Side Chain 55
3.3.1 Introduction of Poly(styrene) at O-2,3 Position of 6-O-p-Methoxytritylcellulose (1) 55
3.3.2 Introduction of Poly(ethylene oxide) at O-2,3 Position of 6-O-p-Methoxytritylcellulose (1) 57
3.4 Regioselective Introduction of the Second Polymer Side Chain 58
3.4.1 Introduction of Poly(styrene) at O-6 Position of 2,3-di-O-PEO Cellulose (5) via Grafting-from Approach 58
3.4.2 Introduction of Poly(styrene) at O-6 Position of 2,3-di-O-PEO Cellulose (5) via Grafting to Approach Combining Click Reaction 58
3.5 SEC-MALLS Study 61
3.6 Summary and Outlook 64
Acknowledgments 64
References 64
4 Recent Progress on Oxygen Delignification of Softwood Kraft Pulp 67 Adriaan R. P. van Heiningen, Yun Ji, and Vahid Jafari
4.1 Introduction and State-of-the-Art of Commercial Oxygen Delignification 67
4.2 Chemistry of Delignification and Cellulose Degradation 70
4.3 Improving the Reactivity of Residual Lignin 73
4.4 Improving Delignification/Cellulose Degradation Selectivity During
Oxygen Delignification 79
4.5 Improving Pulp Yield by Using Oxygen Delignification 90
4.6 Practical Implementation of High Kappa Oxygen Delignification 92
References 93
5 Toward a Better Understanding of Cellulose Swelling, Dissolution, and Regeneration on theMolecular Level 99 Thomas Rosenau, Antje Potthast, Andreas Hofinger,Markus Bacher, Yuko Yoneda, KurtMereiter, Fumiaki Nakatsubo, Christian Jäger, Alfred D. French, and Kanji Kajiwara
5.1 Introduction 99
5.2 Cellulose Swelling, Dissolution and Regeneration at the Molecular Level 102
3 Synthesis of Cellulosic Bottlebrushes with Regioselectively Substituted Side Chains and Their Self-assembly 49 Keita Sakakibara, Yuji Kinose, and Yoshinobu Tsujii
3.1 Introduction 49
3.2 Strategy for Accomplishing Regioselective Grafting of Cellulose 52
3.3 Regioselective Introduction of the First Polymer Side Chain 55
3.3.1 Introduction of Poly(styrene) at O-2,3 Position of 6-O-p-Methoxytritylcellulose (1) 55
3.3.2 Introduction of Poly(ethylene oxide) at O-2,3 Position of 6-O-p-Methoxytritylcellulose (1) 57
3.4 Regioselective Introduction of the Second Polymer Side Chain 58
3.4.1 Introduction of Poly(styrene) at O-6 Position of 2,3-di-O-PEO Cellulose (5) via Grafting-from Approach 58
3.4.2 Introduction of Poly(styrene) at O-6 Position of 2,3-di-O-PEO Cellulose (5) via Grafting to Approach Combining Click Reaction 58
3.5 SEC-MALLS Study 61
3.6 Summary and Outlook 64
Acknowledgments 64
References 64
4 Recent Progress on Oxygen Delignification of Softwood Kraft Pulp 67 Adriaan R. P. van Heiningen, Yun Ji, and Vahid Jafari
4.1 Introduction and State-of-the-Art of Commercial Oxygen Delignification 67
4.2 Chemistry of Delignification and Cellulose Degradation 70
4.3 Improving the Reactivity of Residual Lignin 73
4.4 Improving Delignification/Cellulose Degradation Selectivity During
Oxygen Delignification 79
4.5 Improving Pulp Yield by Using Oxygen Delignification 90
4.6 Practical Implementation of High Kappa Oxygen Delignification 92
References 93
5 Toward a Better Understanding of Cellulose Swelling, Dissolution, and Regeneration on theMolecular Level 99 Thomas Rosenau, Antje Potthast, Andreas Hofinger,Markus Bacher, Yuko Yoneda, KurtMereiter, Fumiaki Nakatsubo, Christian Jäger, Alfred D. French, and Kanji Kajiwara
5.1 Introduction 99
5.2 Cellulose Swelling, Dissolution and Regeneration at the Molecular Level 102
