Relationships between Chemical Components and Morphorogical Properties of Tropical Woods and Pulp Properties
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概要
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This study, based on pulping tests involving twenty highly diversified species of tropical hardwoods, was undertaken to determine the effects of morphological properties and chemical components of hardwoods on pulp properties. <BR>The results from this study indicate that the pulp properties of these tropical hardwoods are related to the morphological and chemical characteristics of the wood. These relationships have been expressed by multiple regression equations (Table 6). <BR>The following wood and fibre characteristics have been shown to be significant in their effects upon propertise : in pulp yield-holocellulose ; in Roe number - lignin ; in brightness (unbleached) - hexan soluble, lignin, fibre diameter, and <I>l</I>/D ; in sheet density - ash, lignin, and <I>l</I>/D ; in breaking length - hexan soluble, and specific gravity (wood); in burst factor - hexan soluble, and specific gravity (wood); in tear factor - fibre length ; in folding endurance - ash, and lumen width. <BR>Most pulp properties, excepting folding endurance, should be possible to predict with a high degree of accuracy from a knowledge of the wood and fibre variables.
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