Heat-resistant bibenzoate copolyester resin for packaging and
This technology covers a new family of polyester plastics made by combining two closely related biphenyl-based acids with a mix of two diols, one of which is a ring-shaped alcohol called CHDM. By adjusting the ratios of these four building blocks, chemists can dial in specific properties — from fully amorphous (clear, glass-like) to semi-crystalline — while achieving unusually high heat resistance (glass transition temperatures above 110–120°C) and good mechanical performance. The result is a tunable platform material that sits above commodity polyesters like PET in thermal and mechanical performance without requiring exotic starting materials. The synthesis routes described are compatible with conventional polyester manufacturing equipment.
What you could build
A drop-in high-performance polyester resin sold to film, sheet, and packaging manufacturers who need heat resistance beyond PET but want to avoid polycarbonate or high-cost engineering plastics; target buyers are specialty polymer compounders and flexible-packaging converters.
Who in Virginia should care
Specialty chemical and polymer compounders operating in Virginia's I-81 corridor manufacturing belt, or packaging converters serving the mid-Atlantic food and beverage industry, would be logical licensees or development partners.
Readiness: Lab validated
Concept — described but not yet demonstrated. Lab validated — supported by experimental results in the patent. Prototype likely — the text describes a built, working embodiment.
Readiness is inferred from the patent text, not from a lab visit.
The record
- Inventors
- Ryan J. Mondschein, Haoyu Liu, Ting Chen, Timothy E. Long, S. Richard Turner
- Granted
- September 8, 2020
- Status
- Granted patent
- Patent number
- 10767005
Ready to talk?
Virginia Tech Intellectual Properties handles licensing for this technology.
Prosim summaries are generated from public patent text and are not legal advice.