Reversible modification of biopolymers for tunable biodegradation
This innovation involves synthesizing fully biodegradable cationic polysaccharides with precise functionalization to ensure rapid environmental breakdown. It addresses microplastic concerns by offering eco-friendly polymers for sustainable consumer products.
Overview
The reversible modification of biopolymers is a groundbreaking approach to creating fully biodegradable cationic polysaccharides. This technology allows for the precise functionalization of natural biopolymers such as starch, cellulose, guar, and lignin with novel cationic groups via labile acetal linkages. These modifications provide pH-independent cationic charges while enabling control over the type, density, and distribution of the charges. This approach ensures rapid and complete biodegradation, addressing the environmental concerns associated with persistent synthetic cationic polymers. Additionally, the technology allows co-functionalization with side chains to tailor surface properties, enhancing compatibility in various formulations.
Technical specifications
Key features:
- Synthesis of novel cationic acetal modifiers
- Functionalization of biopolymers with controlled substitution degrees
- Co-functionalization with hydrophobic and hydrophilic side chains for tailored properties
- Comprehensive characterization using NMR, FTIR, GPC, DLS, rheology, zeta potential, and contact angle
- Evaluation of functional performance in personal care applications
Technology readiness level
This technology is currently at a Technology Readiness Level (TRL) of 3. The development is in the early stages, with ongoing synthesis and functionalization of biopolymers, characterization, and biodegradability testing under OECD 301 standards.
About University of Twente
The University of Twente is a mid-sized public technical university in Enschede with an engineering-driven, entrepreneurial culture. Industry collaborates through co-located labs and shared facilities, including open-access nanofabrication, prototyping spaces, and campus living labs. A research and technology park adjacent to campus connects companies to faculty and student talent, while a dedicated technology transfer office supports IP, licensing, and startup formation. The university’s integration with regional hospitals enables clinical translation, and its Dutch–German border location offers direct access to the Eastern Netherlands high‑tech systems cluster and North Rhine–Westphalia’s manufacturing base. Research is backed by competitive funding from the Dutch Research Council and ministries, alongside European programs such as Horizon Europe and the ERC.
Inquire about this partnering listing
Industry applications
delivered to your inbox.