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Polycarbonate-polyolefin block copolymer resin

Advanced MaterialsChemical ProcessesManufacturing & ProcessLab validated

This technology creates a new type of hybrid plastic by chemically linking two well-known polymer families — polycarbonates (tough, transparent engineering plastics) and polyolefins (cheap, chemically resistant plastics like polyethylene or polypropylene) — into a single chain-like molecule called a block copolymer. The synthesis works by first attaching a hydroxyl-bearing aromatic group to the end of a polyolefin chain, then using that modified chain as a building block in a standard polycarbonate polymerization process. The result is a material that can combine the impact resistance and optical clarity of polycarbonate with the chemical resistance and low cost of polyolefins. This addresses a longstanding incompatibility problem: these two plastic families normally don't mix or bond well, limiting their use together in composite or blended systems.

What you could build

A drop-in specialty polymer resin sold to compounders, automotive parts makers, or packaging manufacturers who need materials with both the toughness of polycarbonate and the chemical resistance or processability of polyolefins — for example, under-hood automotive components, multi-layer packaging films, or compatibilizer additives for PC/polyolefin blends.

Who in Virginia should care

Specialty chemicals and polymer compounders operating in Virginia, or automotive tier suppliers in the region, would be plausible 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
Granted
May 14, 2019
Status
Granted patent
Patent number
102833

Ready to talk?

Virginia Tech Intellectual Properties handles licensing for this technology.

VTIP contact coming shortly

Prosim summaries are generated from public patent text and are not legal advice.