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 2

Micellar parameters for 2% (w/v) copolymer solutions in D₂O at different temperatures.

T/°C	Rc Å	𝑅hs Å	ϕ	N	T/°C	Rc Å	𝑅hs Å	ϕ	N
B-1					B-2
	Hard Sphere					Hard Sphere
30	43	98	0.028	318	30	35	70	0.024	154
	a Å	b Å	a/b	N		a Å	b Å	a/b	N
	Prolate ellipsoidal					Prolate ellipsoidal
50	136	37	3.7		50	50	28	1.8	136
					70	117	29	4.0	356