Open AccessEffects of Storage Temperature on the Performance of Sulfonated Scetone-formaldehyde Superplasticizers
Author(s) -
Zunyu Liu
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/571/1/012154
Subject(s) - superplasticizer , formaldehyde , acetone , materials science , chemical engineering , polymer chemistry , cement , composite material , chemistry , organic chemistry , engineering
Taking temperature as the research object, the effects of different storage temperatures on the performance of sulfonated acetone-formaldehyde superplasticizers (SAF) were studied. The molecular weight of the SAF were characterized by GPC, and disperse performance were evaluated by cement paste fluidity test. The results showed that when the temperature was higher than 40°C, the relative molecular weight of the SAF increased during storage process, and its disperse performance became worse. The influence of storage temperature on the disperse performance of the SAF can be weakened by adding the chain terminator.