Synthesis and properties of renewable citronellol based biodegradable anionic surfactant
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Synthesis and properties of renewable citronellol based biodegradable anionic surfactant Avinash Bhadani 1 & Jung Hokyun 1 & Ananda Kafle 2 & Taku Ogura 1 & Yuji Yoneyama 3 & Satoru Hashimoto 1 & Kenichi Sakai 1,2 & Hideki Sakai 1,2 & Masahiko Abe 1 Received: 26 May 2020 / Revised: 29 July 2020 / Accepted: 19 August 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract New ester functionalized branched anionic surfactant—sodium citronellyl sulfoacetate (SCSA) is developed from naturally occurring acyclic monoterpene citronellol. This new surfactant is investigated for its self-aggregation, detergent, and biodegradation properties. Surface properties of the SCSA are determined by surface tension and conductivity method. Hydrodynamic radius of the micelles formed by the new surfactant is determined by dynamic light scattering technique. Detergency and foaming properties of the new surfactant are determined by Tergotometer and Ross-Miles method respectively. Further, the biodegradation property of the SCSA was determined by the BOD method. The experimental evaluation result establishes SCSA to be a good sustainable alternative to petrochemical derived surfactants. The new surfactant demonstrated good surface activity along with excellent detergent and biodegradation properties. Keywords Renewable surfactant . Surface properties . Detergency . Biodegradation
Introduction The present era necessitates development of important industrial chemicals including surfactants by sustainable and green approach with minimum production of chemical waste [1]. Anionic surfactants which predominantly find application as laundry detergents and in numerous cleaning and hygiene products such as soaps, mouthwash, tooth paste, face wash, and dish washer are one of the most widely used chemical product in the world [2]. With the increasing demand of these surfactants in various application areas, there is urgent need to develop new generation of sustainable anionic surfactants using renewable raw materials via green approach, which
* Avinash Bhadani [email protected] * Masahiko Abe [email protected] 1
Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
2
Department of Pure and Applied Chemistry, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
3
Department of Clothing Textile Laboratory, Bunka Gakuen University, 3-22-1 Yoyogi, Shibuya 151-8523, Japan
can readily replace wide range of petrochemical derived anionic surfactants currently being used in several industrial and consumer formulations [3]. The raw material for manufacturing conventional surfactants is often derived from inexpensive petrochemical hydrocarbons [4]. Renewable building blocks, which are used for manufacturing new generation of sustainable surfactants, are often expensive compared with petrochemical feedstock. However in recent years surfactant molecules derived from renewable building blocks are increasingly becoming popul
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