Characterization and Properties of Organic SiliconModified Amphoteric Fatliquor
نویسندگان
چکیده
The Amphoteric Fatliquor (AF) was prepared by rapeseed oil, 1, 2-ethylenediamine and acrylic acid. An amphoteric fatliquor (SAF) modified with silicon was synthesized by using AF and polyether silicon with stirring and ultrasonic treatment. AF and SAF were measured by Fourier Transform Infrared Spectroscopy (FT-IR), thermogravimetry (TGA), emulsifying capacity, emulsification stability and emulsifying surface tension respectively. The analysis of FT-IR and TG indicated that hydroxy of polyether silicon was polycondensation with carboxylic hyd roxy of AF. The results indicated that the performance of AF could be improved by polyether silicon. The emulsifying surface tension of SAF decreased by 17.0 N/m, compared to 18.2 N/m ofAF. SAF was applied in leather fatliquoring process, and was compared with product XQ-F3. The application results indicated that emulsification capacity of SAF was the same as XQ-F3 , and the flexibi lity of SAF was higher than that of XQ-F3 . The analysis of fatliquor waste liquid indicated that the absorbing capacity of SAF on leather was better than that of AF.
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