Results 1 to 10 of about 16,669 (158)

Structural insight into molecular mechanism of poly(ethylene terephthalate) degradation [PDF]

open access: yesNature Communications, 2018
Poly(ethylene terephthalate) (PET) is a widely used plastic and its accumulation in the environment has become global problem. Here the authors report the crystal structure of a Ideonella sakaiensis PET-degrading enzyme and propose a molecular mechanism ...
Seongjoon Joo   +8 more
doaj   +3 more sources

Preparation of poly(ethylene terephthalate)/layered double hydroxide nanocomposites by in-situ polymerization and their thermal property [PDF]

open access: yeseXPRESS Polymer Letters, 2012
Terephthalate (TA) intercalated layered double hydroxides (LDHs) were synthesized using hydroxides as raw materials, and poly(ethylene terephthalate) (PET)/LDH nanocomposites with different contents of TA intercalated LDHs were prepared by in-situ ...
Q. Jiao   +5 more
doaj   +2 more sources

Chemical recycling of poly(ethylene terephthalate). Application to the synthesis of multiblock copolyesters [PDF]

open access: yeseXPRESS Polymer Letters, 2014
The chemical recycling of the poly(ethylene terephthalate), (PET), has been successfully carried out by glycolysis in the presence of bis (2-hydroxyethyl) terephthalate (BHET) resulting in the formation of hydroxytelechelic oligomers.
F. Malek   +5 more
doaj   +2 more sources

Assessment of IsPETase-Assisted Depolymerization of Terephthalate Aromatic Polyesters and the Effect of the Thioredoxin Fusion Domain

open access: yesApplied Sciences, 2021
Terephthalate polyesters such as poly(ethylene terephthalate) (PET) have been massively produced over the last few decades due to their attractive properties in multiple applications.
Paula Wagner-Egea   +5 more
doaj   +3 more sources

Obtaining phthalate substituted post-consumer polyethylene terephthalate and its isothermal crystallization

open access: yesТонкие химические технологии, 2022
Objects. Due to the polymer waste accumulation, the search for new directions for their utilization is urgent. Chemical recycling methods are of considerable interest, which allow one to obtain the original monomers or change the compositions of the ...
K. A. Kirshanov   +3 more
doaj   +1 more source

Effect of Reprocessing on the Crystallization of Different Polyesters

open access: yesActa Technica Jaurinensis, 2023
The changes in crystallization characteristics of four polyesters were investigated during multiple processing. Two of these were petroleum-based materials: poly (ethylene terephthalate) (PET) and poly (butylene terephthalate) (PBT), and two were bio ...
Zoubeida Taha Taha   +2 more
doaj   +1 more source

The influence of using waste PET on the mechanical and rheological properties of wood flour filled PP composites [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2014
In this research the influence of using waste Poly Ethylene Terephthalate on the mechanical and rheological properties of wood flour filled PP composites has been studied. PET contents varied from 10-33 wt%.
Elham Ostadi   +2 more
doaj   +1 more source

Chemical Upcycling of PET Waste towards Terephthalate Redox Nanoparticles for Energy Storage

open access: yesSustainable Chemistry, 2021
Over 30 million ton of poly(ethylene terephthalate) (PET) is produced each year and no more than 60% of all PET bottles are reclaimed for recycling due to material property deteriorations during the mechanical recycling process.
Nicolas Goujon   +5 more
doaj   +1 more source

Comprehensive Study on Thermal and Dynamic Mechanical Behavior of PET/PEN Blends [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
The effects of interchange reactions on the crystallization, melting, and dynamic mechanical thermal behavior of poly(ethylene terephthalate)/poly(ethylene naphthalate) (PET/PEN) blends prepared by melt mixing have been investigated.
Hossien Ali Khonakdar
doaj   +1 more source

Kinetic Studies of Poly(ethylene terephthalate) Aminolysis Process without Catalyst [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2020
Hypothesis: Chemical recycling of poly(ethylene terephthalate) bottle waste and production of value-added materials are the most appropriate ways in accordance with the principles of sustainable development and environmental protection.
Hossein Bouhendi   +3 more
doaj   +1 more source

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