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Bioplastics

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...

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Related Experiment Video

Updated: Apr 23, 2026

Inkjet-printed Polyvinyl Alcohol Multilayers

Inkjet-printed Polyvinyl Alcohol Multilayers

Published on: May 11, 2017

Biodegradable materials for multilayer transient printed circuit boards.

Xian Huang¹, Yuhao Liu, Suk-Won Hwang

¹University of Illinois at Urbana-Champaign, Frederick Seitz Materials Research Laboratory, 104 S. Goodwin Ave, Urbana, IL, 61801, USA; Missouri University of Science and Technology, Mechanical and Aerospace Engineering, 400 West 13th Street, Rolla, MO, 65409, USA.

Advanced Materials (Deerfield Beach, Fla.)

|September 23, 2014

Summary

Environmentally safe, biodegradable printed circuit boards dissolve in water in 10 minutes. This innovation offers a sustainable solution to reduce hazardous electronic waste.

Keywords:

biodegradable circuit printed circuit board transient electronics water dissolution

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Last Updated: Apr 23, 2026

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Area of Science:

Materials Science
Environmental Science
Electronics Engineering

Background:

Electronic waste poses a significant environmental hazard.
Current electronic waste management strategies are often insufficient.
The development of eco-friendly electronic components is crucial.

Purpose of the Study:

To demonstrate the feasibility of biodegradable printed circuit boards (PCBs).
To develop PCBs that dissolve in water, leaving no toxic residue.
To explore sustainable alternatives for electronic waste reduction.

Main Methods:

Fabrication of PCBs using water-soluble materials.
Testing the dissolution rate and byproducts in aqueous environments.
Evaluation of the environmental safety of the end-products.

Main Results:

Successfully demonstrated biodegradable PCBs that dissolve within 10 minutes.
Confirmed that the dissolution process yields environmentally safe end-products.
Identified the potential for significant reduction in hazardous electronic waste streams.

Conclusions:

Biodegradable PCBs offer a promising solution for sustainable electronics.
Water-soluble materials provide a viable pathway for eco-friendly electronic design.
This technology can mitigate the environmental impact of electronic waste disposal.