单词	thermosetting
释义	thermosetting /ˈθəːməʊsɛtɪŋ / adjective Chemistry Denoting substances (especially synthetic resins) which set permanently when heated. Often contrasted with thermoplastic.After polymerisation using heat, light, radiation, or catalysis a range of strong thermosetting plastics can be produced.... The methanal can then be used in the manufacture of thermosetting plastics. He called this material Bakelite - after himself - and it was the first thermosetting plastic in the world. Derivatives thermoset adjective & noun ... There are three classes of polymers - thermoplastics, thermosets, and elastomers. An alternative approach is to use powder coatings, which involves spraying or dipping components in thermoplastic or thermoset resin powders. One after another, he circulated plastic bags containing polymer samples through the meeting room: brittle black thermosets, pliable brown elastomers, and tough fiberglass composites.
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