Inter-fibre bonding of mechanical pulp fibres

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Inter-fibre bonding determines the network structure of fibres formed in paper thus determines basically all the paper properties, including structural, mechanical, optical, thermo and electrical properties of a paper sheet. Many efforts have been made to establish methods for determining inter-fibre bonding. However, the validity of these methods have been under various discussions. The proposed research will develop totally new methods for inter-fibre bonding measurement by using AFM. The greater advantages of the proposed method are that, not only the inter-fibre bonding, but also the surface chemistry as well as the nano-surface roughness of the bonded area, can be revealed. It is expected that the results of this research will provide new understanding of the fundamentals of inter-fibre bonding.