ionomer


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ionomer

(aɪˈɒnəmə)
n
(Chemistry) chem any of a class of tough thermoplastics with ionic bonding between the polymer chains
References in periodicals archive ?
Feilzer, "Mechanical properties of glass ionomer cements affected by curing methods," Dental Materials, vol.
Glass ionomer cements (GICs) are composed primarily of a calcium fluoroaluminosilicate glass powder and an aqueous solution of a homo- or copolymer acrylic acid [1].
Improvements in restorative materials and techniques, together with increased demand for aesthetic restorations, have led to the introduction of a wide range of dental materials, including compomer, resin-modified glass ionomer cements, and self-adhering composites.
Abstract: A randomized, double-blind, split-mouth clinical trial was performed compared the desensitizing efficacy of the resin-modified glass ionomer cement (GIC) ClinproTM XT (3M ESPE, Minnesota, USA) and the conventional GIC Vidrion R (SS White, Gloucester, UK) in a 6-month follow-up.
Films made with the ionomer in the seal layer had the best overall physical properties, including impact resistance, and the highest machine-direction tear resistance--a desirable attribute once the bag is opened.
EEA ([M.sub.n] = 2.3 x [10.sup.4], [M.sub.w] = 6.1 x [10.sup.4]), with an ethyl acrylate (EA) content of 8.53 mol% (2.5 mol/kg), was used as the ionomer matrix.
It has been proposed that glass ionomer cements may decrease caries demineralization at margins of restorations.
Raising the flap, the affected roots were cleaned and planed and the extruded GP cut and the roots resected and sealed with glass ionomer cement to encourage reattachment of periodontal apparatus.
Reinforced Glass Ionomer Cement (high strength) (GC Fuji II, GC corporation, Tokyo, Japan), Grape seed extract (Falcon international- Bangalore, India) and GC Tooth Mousse -Recaldent (GC corporation, Tokyo, Japan), were used as the test materials.
Now in its 50th year, ionomer materials technology, including DuPont's flagship brand Surlyn ionomer resins, continues to enable innovation and transforming products in a wide range of industries -- from golf to packaging, the statement said.
The series encapsulant is DuPont's first ionomer sheet to be available in convenient roll form, easing storage and handling for large-volume, high-speed manufacturing.