Acid-catalyzed hydrolysis of semi-aromatic polyamide NF membrane and its application to water softening and antibiotics enrichment
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.09.062
Abstract: Abstract The effect of post-treatment by acid-catalyzed hydrolysis of a commercial NE70 semi-aromatic polyamide (PA) membrane was systemically investigated to determine feasibility of use in water softening and antibiotic enrichment applications. The surface of a… read more here.
Keywords: water; surface; acid catalyzed; catalyzed hydrolysis ... See more keywords
Quick analysis of composition of semi-aromatic copolyamide via 13C NMR study
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Polymer Analysis and Characterization"
DOI: 10.1080/1023666x.2018.1514708
Abstract: Abstract Standard high resolution 13C NMR spectra of PA10T, PA6T, PA106, and PA66 were obtained by a nonacidic solvent mixture of HFIP and CDCl3. Several chemical shifts were found extremely sensitive to the polyamide type.… read more here.
Keywords: 13c nmr; copolyamide; analysis; composition ... See more keywords
The Structural Evolution and Mechanical Properties of Semi-Aromatic Polyamide 12T after Stretching
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DOI: 10.3390/polym14224805
Abstract: The development of semi-aromatic polyamides with excellent mechanical properties has always been a popular research avenue. In this work, the semi-aromatic polyamide 12T (PA12T) with the maximum tensile strength of 465.5 MPa was prepared after… read more here.
Keywords: polyamide 12t; semi aromatic; structural evolution; mechanical properties ... See more keywords
One-Pot Terpolymerization of Macrolactones with Limonene Oxide and Phtalic Anhydride to Produce di-Block Semi-Aromatic Polyesters
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DOI: 10.3390/polym14224911
Abstract: The synthesis of novel block copolymers, namely poly(limonene-phthalate)-block-poly(pentadecalactone) and poly(limonene-phthalate)-block-poly(pentadecalactone) is here described. To achieve this synthesis, a bimetallic aluminum based complex (1) was used as catalyst in the combination of two distinct processes: the… read more here.
Keywords: semi aromatic; one pot; pot terpolymerization; limonene oxide ... See more keywords
Preparation and Desalination of Semi-Aromatic Polyamide Reverse Osmosis Membranes (ROMs)
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DOI: 10.3390/polym15071683
Abstract: Reverse osmosis membrane (ROM) technology has a series of advantages, such as a simple process, no secondary pollution, high efficiency, energy saving, environmental protection, and good separation and purification effects. High-performance semi-aromatic polyamide reverse osmosis… read more here.
Keywords: polyamide; semi aromatic; concentration; reverse osmosis ... See more keywords