phthalic anhydride

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  • noun

Words related to phthalic anhydride

a white cyclic anhydride

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This happens because the composite material [M.sub.1][A.sub.3][PA.sub.6]-BT has got the bigger quantity of phthalic anhydride [7,11].
Phthalic anhydride (PA) and p-toluene sulphonic acid (pTSA) were procured from Merck, India.
Demand for xylene is split in detail by the applications terephthalic acid (TPA), dimethyl terephthalate (DMT), phthalic anhydride (PAN), isophthalic acid (IPA) and other applications.
The temperature profile during extrusion followed a gradation of 95[degrees] to 110[degrees]C between the hoppers to the die for all formulations, except for phthalic anhydride formulations, which ranged between 95[degrees] and 120[degrees]C.
In second method, phthalic anhydride and 2- aryl/alkyl-3-aminoquinazolin-4(3H)-ones, mixed to gather fused at 150 C for 30 min., upon completion as shown by using TLC, the molten contents were cooled and the solid products appeared upon cooling were then recrystallized from ethanol.
Poly(amic acid) (PAA) were prepared by the reaction of aromatic dianhydride such as 4,4'-(hexafluoroisopropylidene)diphthalic anhydride (1 g), 4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride) (1.15 g), 4,4'-carbon-yldihpthalic anhydride (0.71 g) and 4,4'-oxydihpthalic anhydride (0.70 g) in 10 ml of THF and 4,4'-(hexafluoroisopropylidene)bis(4-phenoxy aniline) (1.16 g).
Three different anhydrides were used such as maleic anhydride, succinic anhydride, and phthalic anhydride. Diethanolamine (DEA) and diisopropanolamine (DiPA) were involved in such condensation preparative reactions.
The increases in net income attributable to Koppers and diluted earnings per share for the third quarter of 2011 were due primarily to higher prices for phthalic anhydride and carbon pitch and higher volumes and prices for crossties partially offset by increased raw material costs.
Taipei, June 29, 2011 (CENS) -- Following production expansion in Liaoyang in northeastern China, UPC Technology Corp., a leading petrochemical maker in Taiwan, will budget US$125 million to expand output of PA (phthalic anhydride) and DOP (dioctyl phthalate) in Nanchong, Sichuan province, China.
In their work, biobased resin acrylated epoxidized soybean oil (AESO) was either crosslinked with divinylbenzene (DVB) or chemically modified by phthalic anhydride. The DVB-crosslinked resins had a 14[degrees] to 24[degrees]C increase in their glass-transition temperatures (Tg), which was dependent on the crosslink densities.
The upgrade in the ratings takes into account the improvement in the financial performance during financial 2010 aided by a sustained recovery in the spread between Phthalic Anhydride (PAN) and Ortho-Xylene (OX) from the fourth quarter of financial 2009 onwards.
Petrowidada operates in chemical industry producing Phthalic Anhydride with a production capacity of 70,000 metric tons per year.
Often these include saccharin (a suspected carcinogen) and phthalic anhydride (made from another suspected carcinogen, naphthalene) is an irritant that can cause headaches, nausea, vomiting, diarrhoea and confusion and has been linked to kidney damage and brain damage to infants."
Sorokin (1968) studied the curing of epoxy resins on a model reaction of phenyl glycidyl ether with phthalic anhydride under catalysis with N,N-dimethylbenzylamine.