慢裂快凝型阳离子沥青乳化剂的合成及其性能研究  

Synthesis and properties of cationic emulsifier used for preparing slow-breaking and quick-setting type asphalt

作　　者：张倩[1] 张彤[1] 王月欣[1] 刘双旺[1] 孟清[1] 

机构地区：[1]河北工业大学化工学院,天津300130

出　　处：《日用化学工业》2012年第6期432-435,共4页China Surfactant Detergent & Cosmetics

基　　金：河北省科技厅资助项目(10215111D);河北省高等学校科学技术研究指导项目(Z2012163)

摘　　要：以壬基酚聚氧乙烯醚、环氧氯丙烷和三甲胺为主要原料合成了聚氧乙烯型阳离子沥青乳化剂N-[2-羟基-3-壬基酚聚氧乙烯醚(15)]丙基三甲基氯化铵,通过IR等手段对产物进行了表征,考察了各因素对沥青乳液稳定性的影响。结果表明,在m(沥青)∶m(水)=6∶4,乳化剂用量为沥青质量的3.0%,乳化剂水溶液pH=1～2,胶体磨转速为8 000 r.min-1条件下,制得的乳化沥青乳化效果较好,颗粒均匀且粒径较小,稳定存储5 d以上;破乳试验结果表明乳化剂为慢裂型,初凝时间为2 h,属慢裂快凝型沥青乳化剂,满足稀浆封层技术的要求;乳化沥青蒸发残留量、筛上剩余量等均符合规范要求。Cationic asphalt emulsifier N - [ 2 -hydroxyl -3 -nonylphenol ethoxylates （15）] propyltrimethylammonium chloride was synthesized by the reaction of nonylphenol ethoxylate, s, epichlorohydrin and trimethylamine. The reaction product was characterized by IR. Factors that affect stability of the asphalt emulsion were examined. Results indicated that when the asphalt is formulated with water with mass ratio of 6：4,dosage of emulsifier is 3.0% of the asphalt, the pH is kept as 1 - 2 and the stirring speed is 8 000 r· min^-1, the emulsifying efficacy is rather good;and the emulsified asphalt is composed of even and well distributed particles with small particle size. The emulsified asphalt shows good stability for more than 5 d. The demulsification test showed that the emulsifier belongs to slow - breaking and quick - setting type with setting time of 2 h. The emulsifier can meet the slurry seal technology requirements. The test results for evaporation residue and the remaining amount on screen are all meet the requirements specified in the product standard.

关 键 词：沥青乳化剂 阳离子 慢裂快凝型 聚氧乙烯 稀浆封层 

分 类 号：TE626.86[石油与天然气工程—油气加工工程]