Lauroyl arginate ethyl: A novel bio‐based CO2‐switchable surfactant

Author:

Chen Chuhao12,Luan Huoxin34,Lei Zhengyu12,Li Lingyu12,Feng Zihan12,Zhang Dongmei1,Su Xin1ORCID,Feng Yujun1ORCID

Affiliation:

1. Polymer Research Institute, State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China

2. College of Materials Science and Engineering Sichuan University Chengdu China

3. Research Institute of Exploration and Detection Xinjiang Oilfield Branch Company, PetroChina Karamay China

4. Xinjiang Laboratory of Petroleum Reserve in Conglomerate Xinjiang Oilfield Branch Company, PetroChina Karamay China

Abstract

AbstractFor switchable surfactant to be reusable, its property must be activated by a stimulus after it has been utilized. Nonetheless, a plenty of switchable surfactants are environmentally harmful tertiary amines. This study investigates the biocompatible amino acid derivatives, lauroyl arginate ethyl (LAE) as a new biodegradable CO2‐switchable surfactant. In the study, LAE was prepared and its structure was characterized. The variation of pH value was measured to determine the responsiveness to CO2. The surface tension and interfacial tension were measured to determine the surface activity of the material. Finally, CO2 and N2 were injected into the solution to determine reversible emulsification of emulsion. Not only does the LAE have reversible emulsification capacity, but it is also non‐toxic and biodegradable. In the future, its applications in everyday life and industry will expand.

Funder

Natural Science Foundation of Sichuan Province

State Key Laboratory of Polymer Materials Engineering

Publisher

Wiley

Subject

Surfaces, Coatings and Films,Physical and Theoretical Chemistry,General Chemical Engineering

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