Multipurpose electrospun thin films for fully biodegradable multilayer packaging
Bioinicia offers electrospun biopolymer thin films that serve as both biobased hot-tack adhesives and multifunctional coatings for fully biodegradable multilayer packaging. The technology enables dry deposition of biopolymers that bond layers through interfiber coalescence after annealing, while delivering antimicrobial, repellent, antioxidant, or barrier properties in a single step.
Overview
This solution addresses the packaging industry's need for fully biodegradable multilayer structures by replacing conventional petroleum-based adhesives and coatings with electrospun biopolymer thin films. The technology enables manufacturers to create sustainable, high-performance packaging without compromising on functional properties such as adhesion, barrier performance, or antimicrobial protection. By applying a single dry-process layer, packaging producers can bond multilayer films together while simultaneously adding value-added surface functionalities, streamlining production and reducing reliance on non-renewable materials.
Technical specifications
- Electrospun biopolymer deposition: Dry deposition of biopolymers such as PHA onto films using electrospinning, eliminating the need for solvent-based adhesive systems
- Hot-tack adhesion mechanism: Interfiber coalescence after an annealing treatment creates strong interlayer bonding between biodegradable films
- Multifunctional coating capability: Thin films can deliver antimicrobial, repellent, antioxidant, and barrier properties depending on formulation
- Process compatibility: Validated with cast extruded and blow extruded biodegradable films at lab and pilot scale
- Scalable equipment: Industrial electrospinning platforms (Fluidnatek) support scale-up from research to commercial production
- GMP-certified manufacturing: ISO 13485 certified clean rooms available for medical, pharmaceutical, and food-contact applications
Technology readiness level
The technology has been validated at lab and pilot scale through multiple European projects, demonstrating adhesion of biodegradable hot-tack interlayers and a range of functional coatings on biodegradable substrates. Bioinicia is now seeking partnerships to apply the technology to commercially available packaging products, focusing on a target multilayer product and optimizing gramages and annealing temperatures for adhesion and layer-film interaction. This validation phase is estimated at 3–6 months given the maturity of the existing process.
About Bioinicia SL
Bioinicia SL is a Spanish biotechnology company and CSIC spin-off specializing in electro-hydrodynamic processing technologies, including electrospinning and electrospraying. The company designs and manufactures specialized industrial equipment, marketed under brands such as Fluidnatek, and offers contract development and manufacturing services. Its facilities include GMP-certified clean rooms with ISO 13485 certification, enabling the production of medical, pharmaceutical, and biomedical products. By leveraging its proprietary nanofiber and nanoparticle technologies, the company creates advanced materials, such as bioactive encapsulations, filtration media, and functional coatings.
These capabilities allow Bioinicia to support partners across the pharmaceutical, biomedical, cosmetic, and food industries throughout the entire product lifecycle, from initial research and development to industrial-scale manufacturing. The company addresses critical needs by providing innovative solutions for controlled drug delivery, tissue regeneration, and high-performance materials. Their expertise in scaling complex processes ensures that research concepts can be transitioned effectively into commercial products, making them a key partner for organizations requiring specialized, high-standard production environments.
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