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林产化学与工业 ›› 2022, Vol. 42 ›› Issue (1): 51-56.doi: 10.3969/j.issn.0253-2417.2022.01.007

• 研究报告 • 上一篇    下一篇

一种松香基阴离子表面活性剂的合成与性能研究

庞淑敬, 陈豪, 宋冰蕾()   

  1. 江南大学 化学与材料工程学院, 合成与生物胶体教育部重点实验室, 江苏 无锡 214122
  • 收稿日期:2020-11-16 出版日期:2022-02-28 发布日期:2022-03-11
  • 通讯作者: 宋冰蕾 E-mail:ccfsbl@126.com
  • 作者简介:宋冰蕾, 副教授, 博士, 硕士生导师, 主要从事表面活性剂的合成、性能与应用研究; E-mail: ccfsbl@126.com
    庞淑敬(1995-), 女, 安徽宿州人, 硕士生, 从事松香基化合物的研究
  • 基金资助:
    国家自然科学基金资助项目(31670575)

Synthesis and Properties of a Rosin-based Anionic Surfactant

Shujing PANG, Hao CHEN, Binglei SONG()   

  1. The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
  • Received:2020-11-16 Online:2022-02-28 Published:2022-03-11
  • Contact: Binglei SONG E-mail:ccfsbl@126.com

摘要:

以脱氢枞酸(DA)和6-氨基己酸为原料,经酰氯化、酰胺化和皂化等反应合成了一种松香基阴离子表面活性剂6-脱氢枞酰胺基己酸钠(R-6)。首先利用二维核磁技术对脱氢枞酸的氢谱和碳谱信号进行了全面解析,并用1H NMR和FT-IR确证了终产品的结构,进一步考查了R-6的溶解性能、表面张力和泡沫性能。研究结果表明:在室温下,R-6在水中溶解性极好,溶解度在800 mmol/L以上;R-6的临界胶束浓度(Ccmc)为5.89 mmol/L,对应的表面张力(γcmc)为40.46 mN/m。随着表面活性剂浓度的增加,稳泡能力越来越强,浓度为10 mmol/L时,泡沫半衰期高达1 966 min。

关键词: 脱氢枞酸, 氨基酸, 表面活性剂, 泡沫, 溶解性

Abstract:

Using dehydroabietic acid (DA) and 6-aminocaproic acid as the raw materials, a rosin-based amino acid surfactant (R-6) was synthesized via reactions of chlorination, amidation and saponification reactions.The 1H NMR and 13C NMR signals of dehydroabietic acid were analyzed by using 2D NMR techniques, and the structure of the final product was also confirmed by 1H NMR and FT-IR.The solubility, surface tension and foam properties of R-6 were investigated.The results showed that at room temperature, R-6 showed excellent solubility of above 800 mmol/L in water.The critical micelle concentration (Ccmc) of the surfactant was 5.89 mmol/L, and the surface tension (γcmc) corresponding to Ccmc was 40.46 mN/m.With the increase of surfactant concentration, R-6 exhibited strong ability in stabilizing foams.When the concentration of R-6solution was 10 mmol/L, the foam half-life was as high as 1 966 min.

Key words: dehydroabietic acid, amino acid, surfactant, foam, solubility

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