36 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS (A) 1.2 1.0 • 0.8 0.6 0.4 0.2 0.0 1E-6 0.(}0001 0.0001 0.(}01 0.01 0.1 Time/ms I lO (B) 1.0 0.8 0.8 0.4 0.2 0.0 1E-6 0.00001 0.0001 0.001 0.01 0.1 I 10 Time/ms Figure 10. Effect of temperature on the relaxation rate of Polyquaternium 10 and Polyquaternium 10- mixed micelie complex: (A) aqueous solution of 1% Polyquaternium 10, 0.1 M NaC1, no surfactants at •) = 30. Symbols indicate: ß 25øC [] 30øC O 40øC. (B) aqueous solution of 1% Polyquaternium 10 and 0.10% SDS, 0.90% Octoxynol, 0.1 M NaC1, at •) = 30. Symbols indicate: ß 25øC [] 30øC O 40øC.

POLYMER-SURFACTANT INTERACTION 37 (A) 1.0 0.8 0.6 0.4 0.2 0.0 1E4 0.000010.0001 0.001 0.01 0.1 1 10 Time Im$ t.0 0.8 0.2 0.0 tE-6 0.000010.000t 0.00• 0.0• 0.• • tO Time/ms Figure 11. Effect of temperature on the relaxation rate of MQNNED and MQNNED-mixed micelie complex: (A) aqueous solution of 1% MQNNED, 0.1 M NaC1, no surfactants at {• = 30. Symbols indicate: ß 25øC [] 30øC O 40øC. (B) aqueous solution of 1% MQNNED and 0.10% SDS, 0.90% Octoxynol, 0.1 M NaC1, at © = 30. Symbols indicate: ß 25øC [] 30øC O 40øC.

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