Results 1 to 10 of about 161,061 (348)

Flexural strength and modulus of autopolimerized poly (methyl methacrylate) with nanosilica [PDF]

open access: yesVojnosanitetski Pregled, 2018
Background/Aim. Autopolymerized, or cold polymerized poly(methyl methacrylate) class of materials have a lower mechanical properties compared to hot polymerized poly(methyl methacrylate), due to a limited time of mixing before the polymerization process ...
Balos Sebastian   +4 more
doaj   +3 more sources

A silver nanoparticle-poly(methyl methacrylate) based colorimetric sensor for the detection of hydrogen peroxide

open access: yesHeliyon, 2019
A colorimetric sensor based on nanoparticles was developed for the detection of hydrogen peroxide. Nanoparticles were made using small sheets of poly(methyl methacrylate) (PMMA) and silver nitrate.
Giorgio Giuseppe Carbone   +3 more
doaj   +2 more sources

Fluorescently Tagged Poly(methyl methacrylate)s [PDF]

open access: yesMolecules
Plastic pollution is a global problem affecting the environment and, consequently, people’s well-being. Careful and timely end-of-life plastic recycling is certainly a way, albeit a partial one, to remedy the problem.
Fabia Grisi   +6 more
doaj   +2 more sources

Synthesis and characterization of the photoswitchable poly(methyl methacrylate- random-methacrylate spirooxazine) [PDF]

open access: yesPolímeros, 2019
The photoswitchable poly(methyl methacrylate-random-methacrylate spirooxazine) was synthesized via atom transfer radical polymerization with the feed mole ratio of MMA/MSp comonomer of about 5.5/1.
Tam Huu Nguyen   +5 more
doaj   +2 more sources

The Mechanical Properties of a Poly(methyl methacrylate) Denture Base Material Modified with Dimethyl Itaconate and Di-n-butyl Itaconate

open access: yesInternational Journal of Polymer Science, 2015
This study investigates a wide range of clinically relevant mechanical properties of poly(methyl methacrylate) (PMMA) denture base materials modified with di-methyl itaconate (DMI) and di-n-butyl itaconate (DBI) in order to compare them to a commercial ...
Pavle Spasojevic   +5 more
doaj   +2 more sources

The thermal degradation of poly(iso-butyl methacrylate) and poly(sec-butyl methacrylate) [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
The non-oxidative thermal degradation of poly(iso-butyl methacrylate) and poly(sec-butyl methacrylate) was investigated by studying changes in the polymer residue. Due to the different number of β-hydrogens in their ester substituents, these two
Novaković Katarina   +2 more
doaj   +3 more sources

Porous poly(methylmethacrylate) and poly(methylmethacrylate-co-acrylamide) [PDF]

open access: yesHemijska Industrija, 2006
The characteristics of two types of porous polymers: poly(methyl methacrylate) and copolymers of methyl methacrylate and acrylamide were investigated in this study.
Nikolić Ljubiša   +4 more
doaj   +1 more source

Analysing Some Mechanical Properties of Cinnamon Powder Reinforced with Polymeric Materials Used in Dental Application [PDF]

open access: yesEngineering and Technology Journal, 2019
In the dentures industry, materials must be chosen to have good mechanical properties in order to resist the conditions that may occur in the mouth. A study was conducted to assess tensile strength, elasticity coefficient, elongation, flexural strength ...
Ahamed AlGhabban   +2 more
doaj   +1 more source

The Effect of the Poly Vinyl Chloride (PVC) Addition on Surface Hardness and Impact Strength Properties of Heat-Cured Acrylic Resin Denture Base Material [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
:The most common materials used for fabrication of denture base are poly methyl methacrylate (PMMA) and methyl methacrylate (MMA). Preparation of heat cured, ultered or modified, denture base acrylic resin was carried out by preparing of poly (methyl ...
Ehsan Ali Abed
doaj   +1 more source

Gamma radiation shielding properties of poly (methyl methacrylate) / Bi2O3 composites

open access: yesNuclear Engineering and Technology, 2020
This work investigated the gamma-ray shielding performance, and the physical and mechanical properties of poly (methyl methacrylate) (PMMA) composites embedded with 0–44.0 wt% bismuth trioxide (Bi2O3) fabricated by the fast ultraviolet (UV) curing method.
Da Cao   +3 more
semanticscholar   +1 more source

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