新型甜菜碱型沥青乳化剂的合成与研究
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摘要
以月桂酸、二甲胺水溶液、环氧氯丙烷和氯乙酸钠为原料合成出一种新型甜菜碱型沥青乳化剂.在最佳反应条件下,第一步合成月桂酸-2-羟基-3-氯丙酯的酯化率为97.1%.利用红外光谱对产物结构进行了表征.对第一步合成月桂酸-2-羟基-3-氯丙酯的反应提出了合理的反应机理.该乳化剂对沥青具有很好的乳化能力,制备的乳化沥青储存稳定性良好,该乳化剂属于快裂型沥青乳化剂.
A novel betaine type asphalt emulsifier was synthesized through the reaction of lauric acid,epichlorohydrin,dimethylamine and sodium chloroacetate. The esterification yield reached 97. 1% at the optimum condition for the synthesis of the first step of 3-chloro-2-hydroxypropyl laurate. The chemical structures of the products were characterized by FTIR. A plausible reaction mechanism was proposed for the first synthesis step of3-chloro-2-hydroxypropyl laurate. The emulsifier has satisfactory emulsification. The prepared bituminous emulsion showed higher storage stability. The emulsifier is a rapid-set asphalt emulsifier.
A novel betaine type asphalt emulsifier was synthesized through the reaction of lauric acid,epichlorohydrin,dimethylamine and sodium chloroacetate. The esterification yield reached 97. 1% at the optimum condition for the synthesis of the first step of 3-chloro-2-hydroxypropyl laurate. The chemical structures of the products were characterized by FTIR. A plausible reaction mechanism was proposed for the first synthesis step of3-chloro-2-hydroxypropyl laurate. The emulsifier has satisfactory emulsification. The prepared bituminous emulsion showed higher storage stability. The emulsifier is a rapid-set asphalt emulsifier.
引文
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[7]刘其城,龚陶然,刘鹏,等.季铵盐乳化剂对透层乳化沥青存储稳定性的影响[J].湖南大学学报:自然科学版,2011,38(6):55-59.
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[10]卢久富,王洪国,刘冬,等.非对称性Gemini季铵盐阳离子沥青乳化剂的合成[J].工业催化,2006,14(6):62-64.
[11]施来顺,万忠义,王鲁艳,等.新型Gemini型阳离子沥青乳化剂的合成与性能测试[J].山东大学学报:工学版,2007,37(3):122-126.
[12]Martin J,Hemsley J M.Asphalt emulsion priming compositions and methods of use:US,8167993[P]2012-05-01.
[13]Isobe K,Tamaki R.Nonionic emulsifier for asphalt:US,6114418[P].2000-09-05.
[14]施来顺,杨中强,孙梅杰,等.四乙烯五胺/甲醛改性木质素胺沥青乳化剂的合成及在线红外研究[J].石油沥青,2014,28(2):6-14.
[15]施来顺,杨中强,李娜,等.一种新型阳离子沥青乳化剂的合成及在线红外光谱的研究[J].平顶山学院学报,2014,29(2):61-67.
[2]Zdybak W T.Anionic bituminous emulsions:US,4427449[P].1984-01-24.
[3]Shuey M W,Custer R S.Polyphenolic vegetable extract/surfactant compositions as universal bitumen/water emulsifiers:US,5650000[P].1997-07-22.
[4]Levy D F,Gagle D W.Cationic asphalt-in-water emulsion:US,3093595[P].1963-06-11.
[5]Vivoni A M,Rodrigues A A.Compositions of controlledbreakage cationic asphalt microsurfacing emulsions:US,20100267865[P].2010-10-21.
[6]刘才林,胡小亮,任先艳,等.XK-2C双季铵盐阳离子型乳化剂的合成及其在乳化沥青中的应用[J].西南科技大学学报,2010,25(2):17-20.
[7]刘其城,龚陶然,刘鹏,等.季铵盐乳化剂对透层乳化沥青存储稳定性的影响[J].湖南大学学报:自然科学版,2011,38(6):55-59.
[8]Schilling P.High viscosity cationic slow-set and medium-set emulsions:US,6077888[P].2000-06-20.
[9]王月欣,翟赫,张倩,等.Gemini型阳离子沥青乳化剂的合成及其应用[J].河北工业大学学报,2011,40(5):53-56.
[10]卢久富,王洪国,刘冬,等.非对称性Gemini季铵盐阳离子沥青乳化剂的合成[J].工业催化,2006,14(6):62-64.
[11]施来顺,万忠义,王鲁艳,等.新型Gemini型阳离子沥青乳化剂的合成与性能测试[J].山东大学学报:工学版,2007,37(3):122-126.
[12]Martin J,Hemsley J M.Asphalt emulsion priming compositions and methods of use:US,8167993[P]2012-05-01.
[13]Isobe K,Tamaki R.Nonionic emulsifier for asphalt:US,6114418[P].2000-09-05.
[14]施来顺,杨中强,孙梅杰,等.四乙烯五胺/甲醛改性木质素胺沥青乳化剂的合成及在线红外研究[J].石油沥青,2014,28(2):6-14.
[15]施来顺,杨中强,李娜,等.一种新型阳离子沥青乳化剂的合成及在线红外光谱的研究[J].平顶山学院学报,2014,29(2):61-67.