NOVEL PRECIPITATED SILICIC ACIDS FOR USE AS SUPPORTS

摘要

FIELD: chemistry.SUBSTANCE: invention can be used in chemical industry. A precipitated silicic acid with dibutyl phthalate number in anhydrous state, i.e., DBP number, in the range of 210 to 270 g/100 g; the value dafter one minute of ultrasonic exposure in the range of 220 to 400 mcm; amount of particles with size smaller than 200 mcm after one minute of ultrasonic exposure less than 35 vol.%, is used to produce absorbates.EFFECT: obtained absorbates have good flowing properties and processability.17 cl, 2 tbl, 1 ex