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Effect of chemical composition and anatomical structure of wood on yield and properties of kraft pulps



Effect of chemical composition and anatomical structure of wood on yield and properties of kraft pulps



Cellulose Chemistry and Technology 15(1): 77-97



Six Polish woods (pine, spruce, poplar, birch, beech and oak) were examined. Pulp yield was closely related to the ratio of cellulose content to the sum of acid-insoluble lignin and extractive contents. Tearing strength depended mainly on fibre length. Breaking length, burst, fold and sheet density were inversely related to fibre density. The higher pulp yield for hardwoods tha for softwoods was attributed mainly to the lower content of acid-insoluble lignin.

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