ABSTRACT
As to s u r f a c e - a c t i v e substances (= p l a s t i c i z e r s ) , REBINDER gives c r i t i c a l concentrations w i t h i n the range 0,001 to 0,56% s o l u t i o n . According to the equation ( 6 ) , 0,03 to 1,36% s o l u t i o n could be found, i t means a many times higher conc e n t r a t i o n . The e f f e c t of the p l a s t i c i z i n g admixture LIGOPLAST co n c e n t r a t i o n upon the v i s c o s i t y change has been demons t r a t e d i n the F i g . 1.
