Results 21 to 30 of about 265,999 (208)

Sustainable Compositions and 3D Printing Technologies for Characterizing and Optimizing Recycled PETG [PDF]

E3S Web of Conferences
The packing industry makes extensive use of terephthalate polyesters because of their chemical durability and optical qualities. Examples of these materials are polyethylene terephthalate (PET) and glycol-modified PET (PETG).
Prakash Mishra Ved, Hayder Nibras, Satyanarayana G.V.V., Reddy Uma, Lakhanpal Sorabh, Meheta Ankit, Balram Yelamasetti   +6 more
doaj   +1 more source

The effect of polystyrene sodium sulfonate grafting on polyethylene terephthalate artificial ligaments on in vitro mineralisation and in vivo bone tissue integration [PDF]

, 2013
This study investigates the impact of polystyrene sodium sulfonate (PolyNaSS) grafting onto the osseointegration of a polyethylene terephthalate artificial ligament (Ligament Advanced Reinforcement System, LARS ) used for Anterior Cruciate Ligament (ACL).
VIATEAU, Véronique, GUÉRARD, Sandra, CASTNER, David G., Manaserro, Mathieu, Castner, David, MANASSERO, Mathieu, VAQUETTE, Cédryck, ANAGNOSTOU, Fani, MIGONNEY, Véronique   +8 more
core   +1 more source

Depolymerization of Waste Plastic Using Bubble Column for Nano Alumina Blended Coating

Fluids, 2022
In this study, we aimed to figure out how the depolymerization of polyethylene terephthalate produces monomers, dimers, trimers, and other oligomers of bis (2-hydroxyethyl) terephthalate.
Mohammed Alzuhairi, Hanaa Al-Kaisy, Mena Khdheer   +2 more
doaj   +1 more source

Coexistence of specialist and generalist species within mixed plastic derivative-utilizing microbial communities

Microbiome, 2023
Background Plastic-degrading microbial isolates offer great potential to degrade, transform, and upcycle plastic waste. Tandem chemical and biological processing of plastic wastes has been shown to substantially increase the rates of plastic degradation;
Laura Schaerer, Lindsay Putman, Isaac Bigcraft, Emma Byrne, Daniel Kulas, Ali Zolghadr, Sulihat Aloba, Rebecca Ong, David Shonnard, Stephen Techtmann   +9 more
doaj   +1 more source

PET glycolysis optimization using ionic liquid [Bmin]ZnCl3 as catalyst and kinetic evaluation

Polímeros, 2018
In the present work, the depolymerization of polyethylene terephthalate (PET) was performed by the method of glycolysis with ethylene glycol. The process was carried out using a factorial design in the Box-Behnken optimization model, using a response ...
Carlos Vinícius Guimarães Silva, Eloi Alves da Silva Filho, Fabrício Uliana, Luciana Fernanda Rangel de Jesus, Carlos Vital Paixão de Melo, Rosangela Cristina Barthus, José Guilherme Aquino Rodrigues, Gabriela Vanini   +7 more
doaj   +1 more source

Mechanical and thermal properties of eco-friendly coating obtained from products of waste polyethylene terephthalate

Zaštita Materijala, 2018
The technology used in creating coatings is very important for the environmental science field. Regarless to the available types of raw materials, new methods of combining materials or the evolution of traditional technologies, coatings provide a range ...
Mirjana Jovičić, Vesna Teofilović, Jelena Pavličević, Oskar Bera, Tamara Erceg, Dragan Govedarica, Simendić Jaroslava Budinski   +6 more
doaj   +1 more source

A Curved Microstrip Patch Antenna Designed From Transparent Conductive Films

IEEE Access, 2023
Transparent microstrip patch antennas suffer from low radiation efficiency and gain when manufactured using transparent conductive films (TCFs), mainly at low frequency (starting from the microwave S band).
Giorgio Montisci, Giovanna Mura, Giacomo Muntoni, Giovanni Andrea Casula, Francesco Paolo Chietera, Mahmoud Aburish-Hmidat   +5 more
doaj   +1 more source

Reactive Extrusion of Polyethylene Terephthalate Waste and Investigation of Its Thermal and Mechanical Properties after Treatment

International Journal of Chemical Engineering, 2017
This study investigates treating polyethylene terephthalate (PET) waste water bottles with different mass of ethylene glycol (EG) using reactive extrusion technique at a temperature of 260°C. The study puts emphases on evaluating the thermal, mechanical,
Mahmoud A. Mohsin, Tahir Abdulrehman, Yousef Haik   +2 more
doaj   +1 more source

Small-Scale Static Fire Tests of 3D Printing Hybrid Rocket Fuel Grains Produced from Different Materials

Aerospace, 2019
The last decade has seen an almost exponential increase in the number of rocket launches for sounding missions or for delivering payloads into low Earth orbits.
Mitchell McFarland, Elsa Antunes
doaj   +1 more source

Effect of PET Resin as Cement Substitute on Properties of Cement Mortar Subjected to Different During Conditions

U.Porto Journal of Engineering, 2023
Polyethylene terephthalate (PET) has many advantageous properties required for the packaging industry. However, the safe disposal of PET waste is an environmental challenge.
Satish Waysal, Yogesh Patil, Bharatkumar Dholakiya   +2 more
doaj   +1 more source