University Researchers Engineering Non-Toxic Hemp-Based Thermoplastic to Replace Traditional Petroleum Plastic Packaging

Researchers develop a hemp-derived thermoplastic using CBD that resists high heat and replaces endocrine-disrupting chemicals in traditional packaging.

By: AXL Media

Published: May 1, 2026, 8:59 AM EDT

Source: Information for this report was sourced from EurekAlert

Sustainable Material Science Challenges Fossil Fuel Dominance

A team of engineers and scientists has successfully developed a non-toxic plastic alternative sourced entirely from the hemp plant. This new hemp-derived thermoplastic addresses the growing global pollution crisis by providing a biodegradable substitute for single-use plastics. Unlike many plant-based polymers that fail to meet industrial standards, this material can extend up to 1,600% of its original size while maintaining structural integrity. According to the research published in the journal Chem Circularity, this innovation represents a significant shift toward circular chemistry in the manufacturing sector.

Eliminating Endocrine Disruptors From Consumer Packaging

One of the primary motivations for the study was the replacement of bisphenol-A, a chemical found in modern polycarbonates known to disrupt human endocrine systems. By using cannabidiol, or CBD, as a primary building block, the researchers have created a polycarbonate that mimics the durability of traditional plastics without the associated health risks. According to Gregory Sotzing of the University of Connecticut, the goal is for CBD to eventually take the place of these harmful synthetic compounds in everyday processed materials, ranging from food containers to flexible electronics.

Thermal Stability and Industrial Processability Achievements

The hemp-based material boasts a high glass transition temperature, which is a critical quality that prevents plastic from deforming or leaching when exposed to boiling water. This characteristic is exceptionally rare in natural resource-based plastics. According to Mukerrem Cakmak of Purdue University, the research team established a rigorous processing framework that ensures the material remains melt-processables. This means the hemp plastic can be easily shaped, deformed, and manufactured using existing industrial equipment designed for petroleum-based products like polyethylene terephthalate.