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알킬이미다졸린과 지방산 카르바미드를 이용한 내구성 유연제의 제조에 관한 연구
정충호,박홍수,김영근 ( Choong Ho Jung,Hong Soo Park,Young Keun Kim ) 한국공업화학회 1993 공업화학 Vol.4 No.1
Dodecanoic acid와 tetraethylenepentamine을 반응시켜서 1, 2-disubstituted imidazoline을 얻었고, 이것을 양이온화시켜 유화형 1, 2-disubstituted imidazolinium salt를 합성하였다. 또한 docosanoic acid와 hydroxyethylethylenediamine을 반응시켜 중간생성물인 2-docosamido-2`-docosanoyloxydiethylamine을 얻었고, 다시 우레아와 반응시켜서 지방산 카르바미드를 얻었다. 이것을 역시 양이온화시켜 유화형 지방산카르바미드염을 합성하였다. 합성된 각종 염들을 블렌딩시켜 유연제를 제조한 후, 아크릴 섬유에 유연처리를 하여 유연성, 평활성 및 대전방지성을 측정한 결과, 유연성과 평활성이 양호하였고 약간의 대전방지성도 보유하였다. 또한 강연도시험과 pH변화에 따른 촉감의 내세탁성 시험결과를 통하여 제조된 유연제가 내구성 유연제임을 입증하였으며, SEM으로 유연처리된 아크릴 섬유의 표면구조를 관찰하였다. Some emulsified 1, 2-disubstituted imidazolinium salts were synthesized by quaternization of 1, 2-disubstituted imidazoline which had been prepared by the reaction of dodecanoic acid with tetraethylenepentamine. 2-Docosamido-2`-docosanoyloxydiethylamine was prepared by the reaction of docosanoic acid with hydroxylethylethylenediamine. Then, some emulsified fatty carbamide salts were also synthesized by quaternization of fatty carbamide which had been prepared by the reaction of urea with the 2-docosamido-2`-docosanoyloxydiethylamine. Some softners were prepared by blending of these salts mentioned above. These softners were treated on acrylic fiber, then several properties were measured. As the results, softening and lubricating properties are good, and a little antistatic property was observed. The synthesized softners were also proved as a durable softner by means of the several experiments : bending resistance test and measurements of feeling change with washing according to the pH changes. The surface structure of acrylic fibers treated with the softner were characterized by SEM.