Synthesis of Pectiniform Polyurethane-Modified Polycarboxylate and Its Preliminary Application in Ultrahigh-Performance Concrete
Table 3
Water reduction rate of polycarboxylate in mortar.
Polycarboxylate
Cement (g)
Sand (g)
Water (M1) (g)
Flowability
Water-reducing rate (%)
M-PCE
450
1350
128.6
180 mm, 183 mm
37.3
Sika
450
1350
133.5
180 mm, 185 mm
34.8
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