29670
The surface tension equations of binary surfactant mixtures ( di - n - decyldimethylammonium chloride and octaethylene glycol monododecyl ether ) are established by combining the Szyszkowski equation of surfactant solutions , the ideal or nonideal mixing theory and the phase separation model .
 di - n - decyldimethylammonium chloride, octaethylene glycol monododecyl ether
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 di - n - decyldimethylammonium chloride, octaethylene glycol monododecyl ether