Research Article

Effect of Surfactants on Association Characteristics of Di- and Triblock Copolymers of Oxyethylene and Oxybutylene in Aqueous Solutions: Dilute Solution Phase Diagrams, SANS, and Viscosity Measurements at Different Temperatures

Table 1

Turbidity points Tp and cloud points, Cp for copolymers-surfactants mixture* solutions.

Conc., B-1SDSConc., B-2SDS
Tp, °CCp, °CTp, °CCp, °C

00.0010.051.000.0010.051.000.00050.051.000.00050.051.0
1.051.058.080.0>10058.082.0>100>1001.079.080.0>100>10083.085.0>100>100
2.051.057.068.0>10060.080.0>100>1002.073.075.0>100>10084.086.0>100>100
5.052.052.053.0>10061.060.062.0>1005.072.073.578.0>10085.085.093.0>100
7.550.054.0>10061.063.0>1007.569.075.0>10087.091.0>100
10.053.053.055.0>10062.063.064.0>10010.063.065.072.0>10086.088.089.0>100

DTABDTAB

0.050.101.00.050.101.00.00050.11.0
1.054.066.0>10068.090.0>1001.080.0>100>10085.0>100>100
2.056.062.0>10076.088.0>1002.074.0>100>10089.0>100>100
5.054.057.0>10068.068.0>1005.073.082.0>10084.0>100>100
7.552.056.0>10064.066.0>1007.568.076.0>10086.092.0>100
10.053.554.0>10065.065.0>10010.065.073.0>10087.089.0>100

TX-100TX-100

0.013.06.00.013.06.00.013.06.00.013.06.0
1.052.052.048.059.064.065.51.075.063.059.085.080.076.0
2.051.554.049.058.068.066.02.073.560.058.082.077.075.0
5.052.551.048.559.063.065.05.071.059.057.080.076.073.0
7.551.049.047.558.059.064.57.570.057.056.079.075.072.0
10.053.048.047.060.060.065.010.069.056.054.078.074.071.0

*Conc. (all in g·dl−1).