نتایج جستجو برای: polytrimethylene terephthalate
تعداد نتایج: 7290 فیلتر نتایج به سال:
The migration of antimony (Sb) from polyethylene terephthalate (PET) bottling for acidic juices have been assessed in this study. Inductively coupled plasma mass spectrometric (ICP-MS) method was chosen for antimony content determination. Experiments were undertaken at different conditions (15, 25, 35, 45days at 25, 50°C for first use bottle, reused bottle). Two different acidic juices (lemon j...
Exclusive chemical conversions of polyesters [poly(ethylene adipate) (PEA), poly(butylene (PBA), poly(ethylene terephthalate) (PET), (PBT)] to the corresponding monomers (diethyl adipate, diethyl terephthalate, ethylene glycol, 1,4-butane diol) by transesterification with ethanol using Cp’TiCl3 (Cp’ = Cp, Cp*) catalyst have been demonstrated. The present acid-base-free depolymerizations exhibit...
In the title salt, [Zn(C6H15NO3)2](C8H4O4), the Zn(II) cation, located on a centre of inversion, is coordinated by four O atoms and two N atoms from two tridentate 2-[bis-(2-hy-droxy-eth-yl)amino]-ethanol (BHEA) ligands, giving rise to a slightly distorted octa-hedral geometry. The terephthalate dianion, located about a centre of inversion, is not coordinated to Zn(II) but is connected through ...
1Austrian Centre of Industrial Biotechnology ACIB, 8010 Graz, Austria 8 2 Institute of Environmental Biotechnology, University of Natural Resources and Life Sciences, 9 Vienna, 3430 Tulln, Austria 10 3 Microbiology Group, Research Area Biotechnology and Microbiology, Institute of Chemical 11 Engineering, Vienna University of Technology, 1060 Vienna, Austria. 12 4 Institute of Biotechnology, Uni...
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