Many researches have found that the anionic surfactants are effective when the anionic soil is attached to the cotton fabrics. However, this research investigated the relationship of the super soil removal and surfactants when the anionic and cationic soil was attached to the cationic cotton fabrics. The result is that the cationic surfactants are vary effective for soil removal in the cationic cotton fabrics. The processing and nature of cationic cotton fabrics are treated and investigated as follows: Cotton fabrics are heated in the presence of ethylenimine and acetic acid dissolved in benzene to contain a significant amount of fixed nitrogen. Some polymer was formed but removal by washing with benzene and water. The optinium molor ratio of acid-to-ethylenimine seemed to be in the range 1: 10. The treated cotton fabrics dyed with acid Orange II dyes, and nitrogen content in the treated cotton fabrics were determined by the Kjeldahl method.
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