Exposure to di-2-ethylhexyl terephthalate in a convenience sample of U.S. adults from 2000 to 2016
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DOI: 10.1007/s00204-017-1956-3
Abstract: Di-2-ethylhexyl terephthalate (DEHTP), a structural isomer of di-2-ethylhexyl phthalate (DEHP), is a plasticizer used in a variety of commercial applications, but data on Americans’ exposure to DEHTP do not exist. We investigated the exposure to… read more here.
Keywords: dehp; terephthalate; exposure; mono ethyl ... See more keywords
Recycled polyethylene terephthalate/carbon nanotube composites with improved processability and performance
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DOI: 10.1007/s10853-018-2014-0
Abstract: Recycled poly(ethylene terephthalate) (PET) nanocomposites containing multiwalled carbon nanotubes (CNTs) were prepared through melt compounding via masterbatch dilution method. The masterbatch and the nanocomposites were processed in a twin-screw extruder. The rheological, morphological, thermal and… read more here.
Keywords: cnt nanocomposites; carbon; terephthalate; pet cnt ... See more keywords
Glycidyl methacrylate-based copolymers as new compatibilizers for polypropylene/ polyethylene terephthalate blends
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Polymer Research"
DOI: 10.1007/s10965-019-1784-7
Abstract: The improvement of flexural properties of polypropylene (PP) could be achieved by blending it with a stiffer polymer like poly(ethylene terephthalate) (PET). The main problem is the compatibilization between a saturated, apolar structure with a polar… read more here.
Keywords: glycidyl methacrylate; based copolymers; terephthalate; methacrylate based ... See more keywords
Glycolysis of poly(ethylene terephthalate) waste catalyzed by mixed Lewis acidic ionic liquids
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-10331-8
Abstract: Widely used poly(ethylene terephthalate) (PET) material induces environmental concern on its wastes. In this paper, different 1-hexyl-3-methylimidazolium (Hmim) halometallates, including [Hmim]ZnCl3, [Hmim]CoCl3, [Hmim]FeCl4 and [Hmim]CuCl3, are synthesized as Lewis acidic ionic liquids (LAIL) catalysts for… read more here.
Keywords: hmim zncl3; ethylene; terephthalate; hmim cocl3 ... See more keywords
ZnO nanodispersion as pseudohomogeneous catalyst for alcoholysis of polyethylene terephthalate
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.115642
Abstract: Abstract Chemical depolymerization and recycling of polyethylene terephthalate (PET) is a sustainable way to preserve the resources and protect the environment. In this work, methanol and ethylene glycol dispersions of ultrasmall ZnO nanoparticles are firstly… read more here.
Keywords: polyethylene terephthalate; zno nanodispersion; terephthalate; pseudohomogeneous catalyst ... See more keywords
Class I hydrophobins pretreatment stimulates PETase for monomers recycling of waste PETs.
Sign Up to like & getrecommendations! Published in 2021 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2021.02.026
Abstract: Poly(ethylene terephthalate) hydrolase (PETase) from Ideonella sakaiensis 201-F6 was expressed and purified from Escherichia coli to hydrolyze poly(ethylene terephthalate) (PET) fibers waste for its monomers recycling. Hydrolysis carried out at pH 8 and 30 °C was found… read more here.
Keywords: pet; terephthalate; monomers recycling; hydrophobins pretreatment ... See more keywords
Metal-catalysed Poly(Ethylene) terephthalate and polyurethane degradations by glycolysis
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2019.120972
Abstract: Abstract The recovery of Polyol from PolyUretane (PU) and Bis(2-HydroxyEthyl) Terephthalate (BHET) from Poly(Ethylene) Terephthalate (PET) from plastic waste by transesterification reactions was achieved, by using a wide scope of simple air-stable metal salts, Lewis… read more here.
Keywords: terephthalate; metal; metal salts; poly ethylene ... See more keywords
Real-time ageing of polyesters with varying diols
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DOI: 10.1016/j.matchemphys.2021.124240
Abstract: Abstract Polyesters are a widely used class of polymer due to their excellent processing, mechanical and recycling properties. However, polyesters are usually not used for durable goods. Thus, further understanding of underlying chemical and physical… read more here.
Keywords: real time; pet; terephthalate; varying diols ... See more keywords
Direct synthesis of robust hcp UiO-66(Zr) MOF using poly(ethylene terephthalate) waste as ligand source
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DOI: 10.1016/j.micromeso.2019.109674
Abstract: Abstract We report here the direct synthesis of a zirconuim metal-based metal-organic framework (MOF) using waste poly(ethylene terephthalate) (PET) as ligand source. A Zr12 cluster terephthalate MOF hcp UiO-66 was derived via the reaction of… read more here.
Keywords: mof using; terephthalate; mof; hcp uio ... See more keywords
High-efficiency glycolysis of poly(ethylene terephthalate) by sandwich-structure polyoxometalate catalyst with two active sites
Sign Up to like & getrecommendations! Published in 2018 at "Polymer Degradation and Stability"
DOI: 10.1016/j.polymdegradstab.2018.07.004
Abstract: Abstract Catalyst in the process on glycolysis of poly (ethylene terephthalate) (PET) wastes is a significant critical factor, which determine the efficiency and the cost of PET degradation. In this study, a kind of transition-metal-substituted… read more here.
Keywords: active sites; ethylene; terephthalate; glycolysis ... See more keywords
Synthesis, properties and biodegradation of periodic copolyesters composed of hydroxy acids, ethylene glycol, and terephthalic acid
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DOI: 10.1016/j.polymdegradstab.2020.109095
Abstract: Abstract Aromatic polyesters such as poly(ethylene terephthalate) (PET), poly(trimethylene terephthalate) (PTT) and poly(butylene terephthalate) (PBT) are widely used all over the world due to their excellent physical properties. However, their degradation in the environment is… read more here.
Keywords: terephthalate; poly; periodic copolyesters; ethylene glycol ... See more keywords