Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a class of heterocyclic compounds having a four-membered ring containing 3 carbon atoms and 1 oxygen atom; the parent compound C3H6O

Etymologies

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Examples

  • The researchers modified the chitosan slightly with the addition of the structures composed of four carbon atoms called oxetane rings.

    New Scientist - Online News

  • They designed molecules joining ring-shaped molecules called oxetane with chitosan.

    BBC News | News Front Page | UK Edition

  • It is the oxetane rings that give the material its ability to heal, says Urban.

    New Scientist - Online News

  • Exposure to UV light creates reactive spots on sections of the chitosan molecules which then combine with the broken oxetane rings to form new chemical cross links that close up the damage.

    New Scientist - Online News

  • When the material is scratched, oxetane rings split, exposing reactive sites, like arms that want to grab something.

    Forbes.com: News

  • The chitosan arms and the oxetane arms attract one other, bond, and -- presto!

    Forbes.com: News

  • "The ability to combine industrially accepted and well-studied oxetane groups with a widely available renewable biomaterial such as chitosan is a powerful concept from an environmental and energy viewpoint," wrote Hawker in an e-mail exchange.

    Forbes.com: News

  • They incorporated four-sided oxetane "rings" and a chitosan precursor into a polyurethane.

    Forbes.com: News

  • Scratches or damage to the polyurethane coat split the oxetane rings, revealing loose ends that are highly likely to chemically react.

    Atheist Network RSS Feed

  • The broken chitosan rods and oxetane rings then bond with each other across the damaged area, dragging the two sides together to eliminate the scratch.

    msnbc.com: Top msnbc.com headlines

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