Biodegradable resin injection molding achieving <0.95 g/cc density
Innovative approach to reduce density of biodegradable resins using a combination of hollow glass beads, chemical blowing agents, and microcellular molding. Aims to achieve density below 0.95 g/cc, enhancing application potential across various industries.
Overview
Green Bottom Line, Inc. introduces a pioneering method for reducing the density of biodegradable resins to below 0.95 g/cc. This innovative approach combines the use of hollow glass beads, chemical blowing agents, and microcellular molding to achieve significant density reduction. By targeting a variety of biodegradable resins such as PLA, PBAT, PBS, and PHA, this technology opens up new possibilities for lightweight, sustainable plastic applications in industries ranging from packaging to automotive.
Technical specifications
Key Features:
- Uses a combination of three technologies: hollow glass beads, chemical blowing agents, and microcellular molding
- Targets biodegradable resins like PLA, PBAT, PBS, and PHA
- Initial tests will establish baseline density reduction capabilities for each resin
- Potential to achieve over 21% density reduction, surpassing traditional methods
Process Involves:
- Confirming upper limits of density reduction for each technology
- Combining a low concentration of hollow glass beads with chemical blowing agents and microcellular molding
- Sequential testing and validation with known material providers and processors
Technology readiness level
This technology is currently at Technology Readiness Level 2, indicating the concept has been formulated and initial testing is planned. Collaboration with established material providers and processors is set for further validation, aiming for a comprehensive demonstration within 6-12 months.
About Green Bottom Line, Inc.
Green Bottom Line, Inc. is a consulting and contract services firm that specializes in plastics manufacturing, materials science, and sustainability. The company provides expertise in materials selection, plastics formulation, and process development—including injection molding, extrusion, and thermoforming—to help clients optimize product design and manufacturing capabilities. Additionally, they offer services in sustainability testing and certification, regulatory compliance for materials and finished goods, and intellectual property support. Their approach is designed to help small and mid-size companies access specialized technical resources without the need for full-time in-house personnel.
The firm serves as a technical partner, assisting company executives and engineering teams in navigating material requirements, managing formulation and process development programs, and performing competitive analysis. By providing targeted expertise and serving as an on-call technical resource, Green Bottom Line helps clients reduce product costs, meet regulatory standards, and improve operational sustainability. Their services are intended to improve business efficiency and performance by offering professional guidance throughout the product development lifecycle.
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