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Über dieses Buch


This book presents detailed information on the production and properties of carbon fibers derived from lignin precursors. Focusing on future directions in the carbon fiber industry, it also introduces a novel process for obtaining high-purity lignin, a key aspect in the manufacture of high-quality carbon fiber. Carbon fiber is currently the most preferred lightweight manufacturing material and is rapidly becoming the material of choice for manufacturers around the world. Although more than 80% of commercial carbon fiber is estimated to use PAN (polyacrylonitrile) as a precursor, carbon fiber manufactured from PAN is expensive and therefore its application is limited to high-performance structural materials. Lignin is the second most abundant biopolymer in nature after cellulose and offers a carbon-rich, renewable resource. As a byproduct of the pulp and paper industry and the production of cellulosic ethanol, lignin is also available at low cost, making it an economically attractive alternative to PAN for the production of carbon fibers, as highlighted in this book. The information presented will be of interest to all those involved in the investigation of carbon fiber materials, carbon fiber manufacturers and carbon fiber users.

Inhaltsverzeichnis

Frontmatter

Chapter 1. General Background and Introduction

Abstract
Of the carbon fibres produced today, over 90% originate from the oil-based synthetic polymer polyacrylonitrile, which is expensive to produce. Exploiting lignin as a precursor for carbon fibre adds high economic value to lignin and encourages further development in lignin extraction technology. General background and introduction on lignin as a potential precursor material for producing carbon fibre is presented in this chapter.
Pratima Bajpai

Chapter 2. Lignin

Abstract
Information on lignin is presented in this chapter.
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Chapter 3. Carbon Fibre

Abstract
Properties of carbon fibre and its processing are presented in this chapter.
Pratima Bajpai

Chapter 4. Carbon Fibre Market

Abstract
The global carbon fibre market and demand and the major growth drivers are presented in this chapter.
Pratima Bajpai

Chapter 5. Lignin as a Raw Material for Carbon Fibre

Abstract
Lignin as a raw material for carbon fibre is presented in this chapter. In contrast to PAN and petroleum pitch, lignin is a renewable material and has a carbon content of more than 60%. Furthermore, it is available in large quantities; possible to isolate and eventually modify, and still obtainable as a relatively cost-competitive raw material, as compared with PAN. Cost estimations for lignin as precursor shows potential of a remarkably cost reduction as compared to PAN based precursor.
Pratima Bajpai

Chapter 6. Recovery of Lignin

Abstract
Recovery of lignin from different processes—kraft process, steam explosion process, organosolv process—is discussed in this chapter. Commercial suppliers of lignin are also listed.
Pratima Bajpai

Chapter 7. Lignin as a Precursor for Carbon Fibre Production

Abstract
The available information on production, properties of carbon fibres from lignin is presented in this chapter.
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Chapter 8. Conversion of Lignin to Carbon Fibre

Abstract
Methods for conversion of lignin to carbon fibre are presented in this chapter. Direct melt spinning is the most common method for lignin fibre. Electrospinning is another important method and is an alternative to the melt-spinning technique.
Pratima Bajpai

Chapter 9. Future Directions

Abstract
Future directions of carbon fibre industry are presented in this chapter.
Pratima Bajpai

Backmatter

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