terephthalic acid


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Related to terephthalic acid: Isophthalic acid

terephthalic acid

(ˌtɛrɛfˈθælɪk)
n
(Elements & Compounds) a white crystalline water-insoluble carboxylic acid used in making polyester resins such as Terylene; 1,4-benzenedicarboxylic acid. Formula: C6H4(COOH)2
[C20: from terebene + phthalic acid]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ter′eph•thal′ic ac′id

(ˈtɛr ɛfˈθæl ɪk, ˌtɛr-)
n.
a white, crystalline, water-insoluble solid, C8H6O2, the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
[1855–60; tere(bic acid) a terpene derivative (tereb (inth) + -ic) + phthalic]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Translations
Terephthalsäure
테레프탈산
References in periodicals archive ?
Paraxylene is used in the production of terephthalic acid, purified terephthalic acid, and dimethyl terephthalate that is majorly used in the production of polyethylene terephthalate.
[ClickPress, Thu Jun 06 2019] Paraxylene is an aromatic hydrocarbon, which is used as feedstock to manufacture industrial chemicals, notably purified terephthalic acid (PTA) and dimethyl terephthalate (DMT).
The disruptive depolymerisation technology manufactures purified terephthalic acid and mono ethelyne glycol from waste Polyester/PET feedstocks.
Keywords: COD reduction, coagulation, active oxidation, ceramic membrane, purified terephthalic acid
Shahid Tondgooian complex, produces various petrochemicals, including purified terephthalic acid (PTA) and polyethylene terephthalate (PET).
The divestment is in line with BP's global petrochemicals strategy of pursuing a competitively advantaged portfolio through world-scale, low-cost facilities that utilize BP proprietary technology, including the production of purified terephthalic acid, or PTA, a key raw material in the production of polyester.
The alliance with Suntory supports Anellotech's development of bio-aromatics such as bio-paraxylene, the key component needed to make purified terephthalic acid (PTA) and dimethyl terephthalate (DMT), which account for 70% of the PET molecule.
Restructuring in the petrochemical and steel industries will focus on facility adjustment, in particular cutting facility capacity for the production of terephthalic acid and ferroalloys.
Polyethylene Terephthalate (PET) is a plastic polymer produced by reacting Purified Terephthalic Acid (PTA) & Monoethylene Glycol (MEG), whereas Polybutylene Terephthalate (PBT) is manufactured from PTA and BDO (1, 4-butanediol).
EagleBurgmann has shipped the largest agitator seal (480 mm shaft size) for use in a new PTA (pure terephthalic acid) plant in China.
It is well known, that the synthesis of this type of compounds occurs by a nucleophilic attack of amine group to the anhydride ring to obtain the corresponding bis(carbamoylbenzoic) or bis(carbamoyl) terephthalic acid structure.
Gevo has also patented a process by which isobutylene is dimerized to p-xylene, the petrochemical precursor to terephthalic acid. (14)