Poly(alpha lipoic acid) based biodegradable oil thickeners
Introducing poly(alpha lipoic acid) derivatives as biodegradable, non-toxic oil thickeners for personal care products, offering precise control over composition and properties akin to synthetic polymers, but fully nature-derived.
Overview
Poly(alpha lipoic acid) (polyALA) derivatives are poised to revolutionize the personal care industry as biodegradable, non-toxic oil thickeners. Derived from alpha lipoic acid (ALA), a naturally occurring and edible molecule, these polymers offer a 100% nature-derived option compared to traditional synthetic thickeners. The polyALA thickeners provide precise control over composition and functional properties, making them an ideal choice for formulating eco-friendly personal care products.
Technical specifications
PolyALA derivatives are synthesized through a simple one-step esterification process with ethanol and various fatty alcohols, followed by radical polymerization. These polymers are tailored to exhibit a wide range of physicochemical properties and can efficiently thicken oils and organic solvents below 90°C. Key features include:
- Biodegradable and non-toxic
- Colorless and odorless
- Versatile composition adjustments through controlled polymerization
- Effective rheology modification across diverse oil types
Technology readiness level
The current development stage of polyALA oil thickeners is at Technology Readiness Level 3. The synthesis and primary characterization of several derivatives have been completed. Further validation will involve optimizing their thickening properties and assessing performance under various conditions using advanced rheological testing.
About University of Waterloo
University of Waterloo is a public research university in Ontario, Canada, known for an entrepreneurial, STEM‑driven culture. A globally recognized co‑op program places students with employers year‑round, creating direct talent pipelines and de‑risked pathways into sponsored research and contract development. An adjacent research and technology park hosts corporate R&D alongside faculty labs, and the campus sits within the Toronto–Waterloo innovation corridor for ready access to partners, investors, and scale‑up resources. Research is supported by competitive federal funding from Canada’s Tri‑Council agencies (NSERC, CIHR, SSHRC) and international programs. A creator‑owned IP policy and a dedicated tech transfer office enable flexible agreements, licensing, and spinouts.
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