Thermosetting

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Dictionary Meaning and Definition on 'Thermosetting'

Thermosetting Meaning and Definition from WordNet (r) 2.0
    thermosetting adj : having the property of becoming permanently hard and rigid when heated or cured; "the phenol resins and plastics were the original synthetic thermosetting materials" [syn: thermoset] [ant: thermoplastic]
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Wikipedia Meaning and Definition on 'Thermosetting'


A thermosetting plastic, also known as a thermoset, is polymer material that irreversibly cures. The cure may be done through heat (generally above 200 °C (392 °F)), through a chemical reaction (two-part epoxy, for example), or irradiation such as electron beam processing.

Thermoset materials are usually liquid or malleable prior to curing and designed to be molded into their final form, or used as adhesives. Others are solids like that of the molding compound used in semiconductors and integrated circuits (IC's).

According to IUPAC recommendation: A thermosetting polymer is a prepolymer in a soft solid or viscous state that changes irreversibly into an infusible, insoluble polymer network by curing. Curing can be induced by the action of heat or suitable radiation, or both. A cured thermosetting polymer is called a thermoset.

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Thermosetting Sample Sentences in News


  • Medium Power Film Capacitors feature self-healing properties.
    Comprised of dry, metallized polypropylene in plastic case filled with flame-retardant thermosetting resin, FLC Series is suited for AC filtering in power converters, UPS systems, solar/wind inverters, and motor drives. Capacitors are available in 15 case sizes; 3 voltages of 250, 300, and 350 V; and 3 pitches of 27.5, 37.5, and 52.5. Operating up to 100,000 hr at Read more on this news related to 'Thermosetting'

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