Effect of Emulsifier Type on the Properties of SBR-Modified Cement-Based Materials
Anhua Xu, Laifa Wang, Suining Zheng, Huiting Jia, Xinyan Wang, Yindong Xu, Huaxin Chen · 2026
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Description
Anhua Xu and co-authors compared how three emulsifier types change rubber-modified cement mortar, in a study published in 2026. Styrene butadiene rubber is a standard polymer additive for tougher, longer-lasting mortar, but the charge type of its emulsion matters. The team tested anionic, cationic, and nonionic versions across setting time, strength, salt penetration, and freeze-thaw damage. All three slowed setting and early hardening, the cationic type most strongly.
By twenty-eight days, mortar with ten percent cationic emulsion beat plain mortar on both compressive and flexural strength. Salt ions also penetrated it far more slowly. After one hundred freeze-thaw cycles, ordinary mortar lost sixteen percent of its strength while the cationic mix lost only about seven. Microscopy showed denser structure and fewer cracks. The authors rank the cationic emulsion as the best all-round modifier of the three.
Catalog record
| CREATOR | Anhua Xu, Laifa Wang, Suining Zheng, Huiting Jia, Xinyan Wang, Yindong Xu, Huaxin Chen |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 44 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |