Bio-based Surfactants by Homogeneous Catalysis – Approaches to Process Development

Auteurs

• Thiemo A. Faßbach

Paramètres

• Chimie
• Sciences naturelles

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Surfactants are amphiphilic molecules that facilitate the mixing of immiscible phases, widely used in detergents, personal care products, and food additives. Growing ecological concerns from consumers and manufacturers have led to complex expectations regarding surfactant feedstock, production, and properties. A renewable feedstock is crucial for sustainability, but it must be balanced against food production needs, making alternatives like turpentine viable for surfactant synthesis. The synthesis process involves coupling hydrophobic chains with hydrophilic groups, a challenging task due to the opposing polarities of the components. This work explores the potential of homogeneous catalysis to achieve these goals while adhering to sustainability criteria. It investigates transition metal-catalyzed reactions not yet used in industrial surfactant production, focusing on substrates derived from renewable sources. The research emphasizes not only effective conversions but also integrating these processes with product purification and catalyst recycling. Results indicate that polar groups can be successfully linked to non-polar building blocks. For instance, the sugar-based aminopolyol N-methylglucamine can be coupled with non-polar tails like terpenes or olefins through telomerization or hydroaminomethylation. Hydroamination proves particularly useful for converting terpenes with short-chain amines, facilitating an efficient recyc

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• Année de publication: 2018
• Reliure: (rigide)