Starch-based coatings for moisture barrier applications
Developed starch-based coatings with hydrophobic additives offer effective moisture barriers comparable to synthetic alternatives, providing biodegradability and environmental safety. These coatings reduce plastic waste and align with circular economy principles.
Overview
Starch-based coatings modified with hydrophobic additives present a sustainable solution for moisture barrier applications. By achieving performance comparable to synthetic alternatives, such as polyethylene-based barriers, these bio-based coatings provide a dual benefit of reducing plastic waste and addressing environmental concerns. Their biodegradable nature supports circular economy principles, promoting eco-friendly material cycles that degrade into non-toxic byproducts.
Technical specifications
Key features:
- Utilizes natural, renewable starch as a base biopolymer
- Enhanced with hydrophobic agents like waxes, oils, or fatty acids for improved moisture resistance
- Incorporation of plasticizers such as glycerol and sorbitol for optimal flexibility and processability
- Crosslinking techniques, using agents like citric acid, improve water resistance and film stability
- Can be blended with other biopolymers, such as polylactic acid, to tailor barrier properties
Technology readiness level
This technology is at TRL 4, indicating that it has been validated in a laboratory environment. The next steps involve selecting diverse starch sources and hydrophobic additives to further refine and validate performance under tropical conditions according to ASTM standards.
About Galgotias University
Galgotias University is a comprehensive private university in Greater Noida, part of India’s Delhi–NCR, serving a large, career‑focused student population with expanding research activity. For industry, the campus hosts the Galgotias Incubation Centre (GIC RISE) and an IPR cell that support prototyping, startup formation, and patenting. The university also operates industry‑integrated academic centres, including a Centre for Supercomputing & Advanced AI Research, provides a shared central instrumentation facility, and offers internal seed funding to catalyze interdisciplinary teams. Collaborations are supported through sponsored‑research agreements and competitively awarded national funding. Located within Delhi–NCR’s corporate corridor, the university offers convenient access to partners for internships, joint labs, and executive programs.
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