terephthalic acid
/ˌtɛrəfˈθalɪk
/noun [mass noun] Chemistry
A crystalline organic acid used in making polyester resins and other polymers.
- The para-isomer of phthalic acid; chemical formula: C6H4(COOH)2.
- John R. Whinfield and J. Dickson continued Carother's research and made a polyester with terephthalic acid in 1941.
- Chen still plans to take back a leading role any time, including at Tuntex Petrochemicals Inc, which is a major manufacturer of purified terephthalic acid that has started to turn profitable.
Origin
Mid 19th century: blend of terebic 'of or from turpentine' (from terebinth) and phthalic acid.
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