Results 31 to 40 of about 16,657 (260)

Synthesis and study of block copolymer polyarylates [PDF]

E3S Web of Conferences, 2023
In order to reduce the viscosity of a polyarylate melt based on phenolphthalein and terephthalic acid dichloride with a glass transition temperature of 280°C, polyarylate-polysulfone block copolymers with a glass transition temperature of 240 to 260°C ...
Storozhuk I. P., Simachev A. D., Bulkatov D. P., Filatova E. V., Orlov M. A., Kalinnikov A. N.   +5 more
doaj   +1 more source

Recovery of Terephthalic Acid by employing magnetic nanoparticles as a solid support

Polímeros, 2018
The aim of this research work is focused on the improvement of Terephthalic acid recovery from PET wastes by using organically modified nano-Fe3O4@Cyanuric Chloride as the solid support.
Elmira Ghamary, Mir Mohammad Alavi Nikje, Seyedeh Leila Rahmani Andabil, Lida Sarchami   +3 more
doaj   +1 more source

Catalytic Steam Hydrolysis of Polyethylene Terephthalate to Terephthalic Acid followed by Repolymerisation

Chemical Engineering Transactions, 2023
A novel industrial cleaning process (DEECOM®, B&M Longworth, Blackburn) hydrolyses polyethylene terephthalate (PET) on contaminated filters using superheated steam at elevated temperature and pressure (300°C and 3 barg).
Hubertus Warsahartana, Abdulrahman Bashir, Adam Keyworth, Ryan Davies, Marta Falkowska, Edidiong Asuquo, Stephen Edmondson, Arthur Garforth   +7 more
doaj   +1 more source

Alternating copolyesteramides based on mixtures of 1,4-butyleneterephthalamide and -isophthalamide and ethanediol (4NT/I2) [PDF]

, 1997
Alternating copolyesteramides (APEA's) consisting of mixtures of 1,4-butyleneterephthalamide ester (N,N′-bis(p-carbomethoxybenzoyl) diaminobutane) and 1,4-butyleneisophthalamide ester (N,N′-bis(m-carbomethoxybenzoyl) diaminobutane) polymerized with ...
Bouma, K., Gaymans, R.J., Niesten, M.C.E.J.   +2 more
core   +2 more sources

Evaluation of Acoustic Cavitation in Terephthalic Acid Solutions Containing Gold Nanoparticles by the Spectrofluorometry Method

International Journal of Photoenergy, 2012
Background. When a liquid is irradiated with high intensity and low-frequency ultrasound, acoustic cavitation occurs. The existence of particles in a liquid provides nucleation sites for cavitation bubbles and leads to a decrease in the ultrasonic ...
Ameneh Sazgarnia, Ahmad Shanei
doaj   +1 more source

The remarkable catalytic activity of the saturated metal organic framework V-MIL-47 in the cyclohexene oxidation [PDF]

, 2010
The remarkable catalytic activity of the saturated metal organic framework MIL-47 in the epoxidation of cyclohexene is elucidated by means of both experimental results and theoretical ...
Leus, Karen, Marin, Guy, Muylaert, Ilke, Van Der Voort, Pascal, Van Speybroeck, Veronique, Vandichel, Matthias, Waroquier, Michel   +6 more
core   +2 more sources

Effect of synthesis conditions on formation pathways of metal organic framework (MOF-5) Crystals [PDF]

, 2013
Metal Organic Frameworks (MOFs) represent a class of nanoporous crystalline materials with far reaching potential in gas storage, catalysis, and medical devices.
A. D. C. Burrows K., Ashleigh J. Fletcher, Biemmi E., Calleja G., Chen B., Chung S. Y., Colin McKinstry, Czaja A. U., Edmund J. Cussen, Farha O. K., Hermes S., Jan Sefcik, Kaye S. S., Li H., Li J. P., Liu Y. Y., Ma M., Rosi N. L., S. W. Hausdorf J., Sabouni R., Saha D., Saha D., Saha D. P., Saha D. P. D., Siddharth V. Patwardhan, Threlfall T., Tomic E. A., Wang Z. Q., Yoo Y., Zhao Z. X.   +29 more
core   +1 more source

Membrane electrolysis for separation of cobalt from terephthalic acid in industrial wastewater [PDF]

, 2020
Recovery of valuable metals from wastewaters containing both metals and organics is challenging with current technologies, in part due to their interactions. Typical approaches are chemical intensive.
Dominguez-Benetton, Xochitl, Du Laing, Gijs, Gao, Rui, Mees, Bernd, Rabaey, Korneel, Varia, Jeet   +5 more
core   +2 more sources

Preparation of Some Substituted Terephthalic Acids. [PDF]

ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Branion, Susanna, Benin, Vladimir
openaire   +1 more source

4-(1H-Pyrazol-3-yl)pyridine–terephthalic acid–water (2/1/2)

Acta Crystallographica Section E, 2012
In the title compound, 2C8H7N3·C8H6O4·2H2O, the pyridine and pyrazole rings are approximately coplanar, the dihedral angle between them being 4.69 (9)°.
Zheng-De Tan, Feng-Jiao Tan, Bo Tan, Cheng-Ming Zhang   +3 more
doaj   +1 more source