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Effect of adding secondary fibers to kraft pulp on strength properties and air resistance
Authors: Potůček František | Češek Břetislav | Milichovský Miloslav
Year: 2013
Type of publication: článek v odborném periodiku
Name of source: Cellulose Chemistry and Technology
Publisher name: Editura Academiei Romane
Place: Bukurešť
Page from-to: 455-460
Titles:
Language Name Abstract Keywords
cze Vliv přídavku sběrového papíru k sulfátové buničině na pevnostní vlastnosti a propustnost pro vzduch práce se zabývá možnou náhradou části sulfátové buničiny přidáním sběrového papíru dané třídy (A5 a A6). Přídavek sběrového papíru zvyšuje propustnost pro vzduch, ale zjoršuje pevnostní vlastnosti papíru vyrobeného z této směsi vláknin. sběrový papír;sulfátová buničina;TEA index;propustnost pro vzduch
eng Effect of adding secondary fibers to kraft pulp on strength properties and air resistance This paper deals with the utilization of secondary fibers as one of possible furnishes for the production of sack paper. The effect of the addition of waste papers to the virgin kraft pulp upon the tensile properties, paper porosity, and bonding ability was investigated. Waste papers, namely postconsumer corrugated board (quality grade A5), and cutoffs obtained from never-used corrugated board (quality grade A6), were chosen as secondary fibers. The results obtained were evaluated using statistical methods and compared with those reported for sack papers. The addition of waste papers to virgin kraft pulp increased air resistance, but lowered tensile strength from 7.99 km for virgin kraft pulp to 3.83 and 4.13 km for waste paper of quality grades A5 and A6, respectively. waste paper;kraft pulp;tensile energy absorption;air resistance