Results 41 to 50 of about 42,026 (261)

The effect of hydrochloric acid and sodium hypochlorite on fracture resistance of orthodontic self-cure acrylic base

open access: yesDental Research Journal, 2022
Background: Patient cooperation is necessary for treatment success in removable orthodontics. Every factor has an adverse effect on appliances appearance can impede appliance wearing.
Saeed Noorollahian, Atefeh Tabibi
doaj   +1 more source

Elastomer coated filler and composites thereof comprising at least 60% by weight of a hydrated filler and an elastomer containing an acid substituent [PDF]

open access: yes, 1983
The impact resistance of flame retardant composites, especially thermoplastic molding: compounds containing over 60% hydrated mineral filler such as Al(OH)3 or Mg(OH)2 as improved by coating the filler with 1 to 20% of an elastomer.
Ingham, J. D.   +2 more
core   +1 more source

Ablative resin Patent [PDF]

open access: yes, 1970
Ablative resins used for retarding regression in ablative ...
Burns, E. A.   +2 more
core   +1 more source

Effect of binder on performance of intumescent coatings [PDF]

open access: yes, 2016
This study investigates the role of the polymeric binder on the properties and performance of an intumescent coating. Waterborne resins of different types (vinylic, acrylic, and styrene-acrylic) were incorporated in an intumescent paint formulation, and ...
AR Horrocks   +25 more
core   +1 more source

Water sorption of heat–cured acrylic resin [PDF]

open access: yesAl-Rafidain Dental Journal, 2007
Aims: To evaluate the effect of the different curing methods conventional water bath heat–curing and microwave energy curing method and different immersion periods on the water sorption and solubility of the different types of heat–cured acrylic resins.
Ammar Kh Al-Nori   +2 more
doaj   +1 more source

Mixed polyvalent-monovalent metal coating for carbon-graphite fibers [PDF]

open access: yes, 1982
An improved coating of gasification catalyst for carbon-graphite fibers is provided comprising a mixture of a polyvalent metal such as calcium and a monovalent metal such as lithium.
Harper-Tervet, J.   +2 more
core   +1 more source

Tensile strength and impact strength of color modified acrylic resin reinforced with titanium dioxide nanoparticles [PDF]

open access: yes, 2017
Poor mechanical properties are among the main limitations of acrylic resins. Addition of titanium dioxide (TiO2) nanoparticles to acrylic resin has been shown to improve its mechanical properties with an adverse effect on its color.
Akbari, Faezeh   +3 more
core   +1 more source

Recovery of the Dye Intermediate DNDS from Aqueous Solution by Adsorption onto Resins

open access: yesAdsorption Science & Technology, 2006
Four kinds of resins were investigated for the recovery of 4,4‘-dinitrostilbene-2,2’-disulphonic acid (DNDS), which is present as a pollutant in wastewater, and their adsorption behaviour and mechanisms assessed. One of the resins, YWB-38, exhibited much
Wei-Ben Yang   +3 more
doaj   +1 more source

The Effect of Microwave Disinfection on Dimensional Stability and Flexural Strength of Acrylic Resins

open access: yesJournal of Islamic Dental Association of Iran, 2013
Background and Aim: Several studies have evaluated the effect of microwave radiation on physical properties of acrylic resins. However, due to the recent introduction of heat-cure and cold-cure acrylic resins into the dental market and rapid popularity ...
Omid Tavakkol   +3 more
doaj  

Effect of repeated disinfections by microwave energy on the physical and mechanical properties of denture base acrylic resins [PDF]

open access: yes, 2009
The present study evaluated the effect of repeated simulated microwave disinfection on physical and mechanical properties of Clássico, Onda-Cryl and QC-20 denture base acrylic resins.
AZEVEDO, Douglas Duenhas de   +4 more
core   +1 more source

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