文献类型：专利

英文题名：Preparation of chain precipitated silica by flowing sodium silicate solution and sulfuric acid solution to PTFE tube into T-type reactor, reacting, aging in hydrothermal reaction kettle, washing, filtering, drying and crushing

作者：CHEN P;JIANG H;LI C;ZHOU M

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN105271258-B

公开日：2017-06-30

语种：英文

收录：DERWENT

摘要：NOVELTY - Preparation of chain precipitated silica comprises flowing 0.5-1.5 mol/L sodium silicate solution and 0.5-1.5 mol/L sulfuric acid solution at mass ratio of 1: 08-1.2 to PTFE tube into T-type reactor, reacting at 60-90 degrees C for 10-120 seconds, aging in hydrothermal reaction kettle at 100-120 degrees C for 1-4 hours, washing, filtering, drying and crushing. USE - Method for preparing chain precipitated silica (claimed).