Results 11 to 20 of about 33,926 (294)

Effects of different aligner materials and attachments on orthodontic behavior

Journal of Dental Sciences, 2021
Background/purpose: The orthodontic aligner becomes popular worldwide in orthodontic therapy as an esthetic alternative to fixed labial braces. This study evaluated orthodontic tooth movement behavior using different aligner materials and attachment ...
Chung-Te Ho, Yun-Ting Huang, Chien-Wei Chao, Tsui-Hsine Huang, Chia-Tze Kao   +4 more
doaj   +1 more source

Effect of Zinc Oxide Nanoparticles and Sodium Hydroxide on the Self-Cleaning and Antibacterial Properties of Polyethylene Terephthalate [PDF]

Tekstilec, 2017
In this study, the synthesis of zinc oxide nanoparticles was carried out, together with the hydrolysis of polyethylene terephthalate, using sodium hydroxide to increase surface activity and enhance nanoparticle adsorption.
Mohammad Mirjalili , Maryam Mohammadi , Loghman Karimi   +2 more
doaj   +1 more source

Hidrólise parcial da superfície do polyethylene terephthalate (PET): transformando um rejeito em um material de troca catiônica para aplicação ambiental Partial hydrolysis of pet surface: transforming a plastic waste into a material with cationic exchange properties for environmental application

Química Nova, 2009
In this work it is proposed a simple and versatile undergraduate chemical experiment in polymer and environmental technology based on the process of polyethylene terephthalate (PET) hydrolysis.
Marcelo G. Rosmaninho, Erika Jardim, Gilmara L. Ferreira, Maria H. Araújo, Rochel M. Lago, Flávia C. C. Moura   +5 more
doaj   +1 more source

Study of Raw and Recycled Polyethylene Terephthalate by Meaning of TGA and Computer Simulation

Advances in Polymer Technology, 2020
The pyrolysis method of both raw and recycled polyethylene terephthalate was studied using the nonisothermal thermogravimetric analysis (TGA) at different five heating rates (10, 15, 20, 25, and 30 K/min) for each element.
Bouzid Latifa, Fouddad Fatma Zohra, Hiadsi Said   +2 more
doaj   +1 more source

Functionalization of PET and WPET Nanofibres Grafted with oPrPy for the Recovery of Cu²⁺ Ions from Aqueous Solution

Proceedings, 2020
The plastic and metal pollution accumulating in the marine environment has given many researchers motivation to investigate and provide solutions to this problem. [...]
Thandiwe Crystal Totito, Katri Laatikainen, Robert Luckay, Omoniyi Pereao, Chris Bode-Aluko, Leslie Petrik   +5 more
doaj   +1 more source

The Mechanical Properties of Recycled Polyethylene-Polyethylene Terephthalate Composites [PDF]

علوم و تکنولوژی پلیمر, 2015
Polyethylene terephthalate (PET), one of the thermoplastic polymers, is encountered with arduous problems in its recycling. After recycling, its mechanical properties drop dramatically and therefore it cannot be used to produce the products as virgin PET
Ehsan Avazverdi, Mojtaba Vandalvand, Alireza Shakeri   +2 more
doaj   +1 more source

Physical and Mechanical Properties of Cement Mortars with Recycled Polyethylene Terephthalate: Influence of Grain Size and Composition. [PDF]

Materials (Basel)
Petrella A, Todaro F, Yadav P, Gubitosa J, Notarnicola M.   +4 more
europepmc   +3 more sources

Geotechnical Investigation and Microanalysis of Black Cotton Soil Amended with Guar Gum and Polyethylene Terephlate Fibre

International Journal of Chemical Engineering, 2023
Polymer-based soil stabilization has fascinated substantial interest in the field of research intending to gain a better knowledge of the anticipated soil characteristics after polymer treatment.
S. Sathyapriya, M. S. Abdul Fasith, P. Senthil Kumar, V. Karthik   +3 more
doaj   +1 more source

Ingestion of Microplastic Fibres, But Not Microplastic Beads, Impacts Growth Rates in the Tropical House Cricket Gryllodes Sigillatus

Frontiers in Physiology, 2022
Microplastic is a growing concern as an environmental contaminant as it is ubiquitous in our ecosystems. Microplastics are present in terrestrial environments, yet the majority of studies have focused on the adverse effects of microplastics on aquatic ...
Serita Fudlosid, Marshall W. Ritchie, Matthew J. Muzzatti, Jane E. Allison, Jennifer Provencher, Jennifer Provencher, Heath A. MacMillan   +6 more
doaj   +1 more source

Alkaline Depolymerization of Polyethylene Terephthalate Plastic Waste

Tikrit Journal of Engineering Sciences, 2015
Depolymerization reaction is considered one of the most significant ways of converting waste polyethylene terephthalate in to terephthalic acid. The water polyethylene terephthalate bottle waste was collected from different places in Baghdad.
Ammar S. Abbas
doaj   +1 more source