Function Synergy of Cross-Linked Cationic PVA Polymer to AMPS-Type Fluid Loss Additive Used for Cement-Based Material

Table 4

Fluid loss test 2.

Test no.	PVAGB (%BWOC)	FLA A (%BWOC)	SXY-2 (%BWOC)	Fluid loss (mL) (30 minutes)
1	0.1	0.5	0.25	122
2	0.1	0.75	0.50	46
3	0.1	1.0	0.75	35
4	0.15	0.5	0.50	58
5	0.15	0.75	0.25	65
6	0.15	1.0	0.75	33
7	0.2	0.5	0.75	37
8	0.2	0.75	0.25	33
9	0.2	1.0	0.50	34
K1	67.7	72.3	73.3	/
K2	52	48	46	/
K3	34.7	34	35	/
R	33	38.3	38.3	/

Note: orthogonal test (L₉ (3³)). Test condition as 30°C, 6.9 MPa, and fluid loss in 30 minutes.