Results 141 to 150 of about 34,849 (295)

Energy loss of fast electrons impinging upon polymethylmethacrylate

, 2015
This paper deals with the calculation of the differential inverse inelastic mean free path, the inelastic mean free path, the stopping power, the range of penetration, and the distribution function for inelastic collisions causing energy losses less than
Dapor, Maurizio
core   +1 more source

Chlorine‐Free Depolymerization of Commercial PMMA via Oxygen‐Centered Radicals

Angewandte Chemie, Volume 138, Issue 38, 14 September 2026.
A new chlorine‐free photothermal method enables sustainable recycling of plastics with C–C backbones under mild conditions. Driven by an oxygen‐centered radical pathway with ppm levels of anthraquinone catalyst, it eliminates hazardous chlorinated solvents, achieving an impressive 97% depolymerization conversion.
Chih‐Yin Lin, Stelios Andreou, Nethmi De Alwis Watuthanthrige, Hyun Suk Wang, Maria‐Nefeli Antonopoulou, Athina Anastasaki   +5 more
wiley   +2 more sources

A Single‐Solvent Acetone Strategy for Surface Enhancement and Robust Bonding in PMMA Microfluidic Devices

Advanced Materials Interfaces, Volume 13, Issue 19, 6 October 2026.
A single‐solvent acetone strategy simultaneously restores laser‐ablated PMMA surfaces and enables high‐strength bonding for microfluidic device fabrication. The process produces smooth, optically clear channels, achieves bonding strengths up to 27.3 MPa, and forms leak‐free devices within 25 min, providing a rapid and accessible route to robust PMMA ...
Sadık Koç, H. Cumhur Tekin
wiley   +1 more source

The Influence of Nanoparticles on the Mechanical and Biological Properties of Temporary Acrylics

Acta Odontologica Turcica
Objective: The aim of this study was to evaluate the flexural strength (FS) and antifungal properties of autopolymerised polymethylmethacrylate (PMMA) reinforced with the of zirconium oxide (ZrO2) and hydroxyapatite (HA) nanoparticles (NPs).Materials and
Gulcan Sahal, Canan Akay, Emre Mumcu, Esra Nur Avukat, Mirac Berke Topcu Ersöz   +4 more
doaj   +1 more source

Thermal–Mechanical Coupling Behavior of Directional Polymethylmethacrylate under Tension and Compression

, 2018
In this work, the quasi-static and dynamic mechanical behavior of directional polymethylmethacrylate is investigated under conditions of uniaxial compression and tension.
Chunjiang Lu, Hui Guo, Yu Chen, Longyang Chen, Junlin Tao   +4 more
core   +1 more source

The Effect of Mouthwash Containing Alcohol on Flexural Strength of Polymethylmethacrylate and Thermoplastic Nylon

, 2020
Introduction: Polymethylmethacrylate (PMMA) and thermoplastic nylon are materials used for making denture bases. Denture users use various methods in order to keep clean their denture. Mouthwash can be an option for cleaning dentures because it is easier
Riani, Eva, Octarina, Octarina
core   +1 more source

Symptomatic Calcaneal Intraosseous Lipoma Mimicking Refractory Heel Pain: A Case Report and Review of the Literature

Clinical Case Reports, Volume 14, Issue 10, October 2026.
ABSTRACT Intraosseous lipomas (IOLs) are rare benign primary bone tumors, most commonly affecting the calcaneus. Although often asymptomatic, IOLs may present with persistent heel pain mimicking plantar fasciitis. Accurate diagnosis depends on characteristic radiological features, whereas the management strategy remains debated between conservative and
Ayham Qatza, Hadi Alabdullah, Moayad Mosleh, Omar Zakkour, Ali Youssef   +4 more
wiley   +1 more source

Enhanced Toxicity of Polymethylmethacrylate Microparticles on Cells and Tissue of the Marine Mussel Mytilus trossulus After UV Irradiation

Toxics
In the marine environment, plastic fragments are constantly engaged in a complex degradation process under exposure to various physical and chemical factors, one of which is ultraviolet (UV) radiation.
Nadezhda Vladimirovna Dovzhenko, Victor Pavlovich Chelomin, Sergey Petrovich Kukla, Valentina Vladimirovna Slobodskova, Andrey Alexandrovich Mazur   +4 more
doaj   +1 more source

Biodegradation of chitosan-graft-polymethylmethacrylate films.

, 2005
Methylmethacrylate was graft copolymerized onto chitosan, the N-deacetylated derivative of chitin, by persulfate-induced free radical initiation to get chitosan-graft-polymethylmethacrylate (C-g-PMMA), which could be thermo-pressed into thin films ...
Shamala, T. R., Lakshman, Kshama, Tharanathan, R. N., Harish Prashanth, K. V.   +3 more
core   +1 more source

Conformational Control of Excited‐State Properties in Ortho‐Linked Triarylamine‐Based Donor–Acceptor Conjugates

ChemistryOpen, Volume 15, Issue 10, October 2026.
Highly blue emissive ortho‐triarylamine–acceptor (benzonitriles or cyanopyridines) conjugates are rapidly synthesized by bromine–lithium exchange borylation–Suzuki (BLEBS) sequence. Cyclic voltammetry reveals dimerization processes. Photophysical properties display stimuli‐responsive properties revealing them as promising emitters.
Monika Flörke, Thomas J. J. Müller
wiley   +1 more source