Communicate with Supplier? Supplier
Miyako Ms. Miyako
What can I do for you?
Contact Supplier
Home > News > The influence of sulfonic acid group on the performance of polycarboxylic acid water reducing agent

The influence of sulfonic acid group on the performance of polycarboxylic acid water reducing agent

2020-08-21
The polycarboxylic acid Water Reducing Agent incorporates sulfonic acid groups during the synthesis process:

(1) It can improve the initial fluidity of cement paste and the fluidity of cement paste with time in 1h to a certain extent, but excessively high sulfonic acid group content will reduce the fluidity of cement paste. When the molar ratio of sulfonic acid group to TPEG is The best effect is 0.4;

(2) When the shear rate is constant, the shear stress increases with the increase of the sulfonic acid group content, and the viscosity of the cement paste decreases with the increase of the sulfonic acid group content;

(3) It has little effect on the strength of cement mortar at 1d, but the strength of cement mortar at 3d and 28d is improved, and the effect is relatively better when the molar ratio is 0.4;

(4) It does not have much effect on cement hydration products, but the addition of sulfonic acid groups will promote the hydration of C3S, and it also shows that the 28d strength of cement mortar mixed with sulfonic acid groups has increased.
Related Products List

Home

Phone

Skype

Inquiry