DEFINITIONS OF CONSUMER PROPERTIES OF TECHNICAL CELLULOSE MADE FROM LINSEED FIBER

Abstract

Purpose. To study consumer properties of technical cellulose made from short flax fiber. Methodology. Experimental studies of consumer properties of technical cellulose, using

standard methods and means of measurement, namely, in accordance with the existing standards of the USSR: GOST 19318-73 «Cellulose. Preparation of samples for chemical tests», GOST 16932-93 «Cellulose. Determination of dry matter content», GOST 6841-77 «Cellulose. Method for the determination of resins and fats», GOST 10820-75 «Cellulose. The method of determining the mass fraction of pentosans», GOST 6840-78 «Cellulose. Method of determining content of a-cellulose», GOST 14363.4-89 «Cellulose. A method of preparing of samples for physical-mechanical tests».

Results. On the basis of experimental studies the complex of consumer properties of technical cellulose made from short flax fiber are defined.

Scientific novelty. The influence of delignification of spent liquor short flax fiber on consumer properties of technical pulp made from flax fibers is defined.

Practical significance. On the basis of the conducted theoretical and experimental studies the work proposes method of producing cellulose from technical short flax fiber which due to the technological features of the process makes it possible to obtain pulp with consumer properties, which are not inferior on the consumer properties of the pulp obtained from deciduous trees. The obtained experimental data show that biopulping of cellulose made from the linen fibers at the specified method allows to spend about 50 % of the initial quantity of chemicals and re-use the solution for pulping in subsequent producing of pulp technical.

Such technical cellulose can be used in a composition with wood pulp for the manufacturing various kinds of paper during producing printing, drawing and filter paper