PAPER COMPOSITION

摘要

The composition is used for production of paper for writing, printing and packaging, which has improved physical and mechanical properties, increased durability and less susceptible to dusting. The composition contains (in per cent): cellulose from 20 to 50, wood mass from 50 to 80, rosin size - 0.25-2.00 of the absolute dry mass (a.d.m.), kaolin from 1 to 25 of a.d.m., aluminium sulphate from 1 to 5 of a.d.m., and auxiliary chemical agent - starch-urea concentrate, treated with hydrolysed modified polyacrylonitrile at a ratio of 1/2 to 2/1 - 0.25-3.00 per cent of a.d.m.