| 释义 |
al·kyd
\ˈalkə̇d\ noun
or alkyd resin
(-s)
Usage: often attributive
Etymology: blend of alkyl and acid
: any of a large group of thermoplastic or thermosetting synthetic resins that are essentially polyesters made by heating polyhydric alcohols (as glycerol, ethylene glycol, or pentaerythritol) with polybasic acids or their anhydrides (as phthalic anhydride, maleic anhydride, or sebacic acid) and used chiefly in making protective coatings characterized in general by their gloss, flexibility, and good weathering properties |