methyl methacrylate

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Related to Methacrylates: methacrylate ester

meth·yl meth·ac·ry·late

a thermoplastic material used for denture bases and as an embedding material for electron microscopy.
Farlex Partner Medical Dictionary © Farlex 2012

polymethyl methacrylate (PMMA)

Polymerized methyl methacrylate forming a light transparent thermoplastic material used in the manufacture of some spectacle lenses and formerly hard contact lenses. See modulus of elasticity; plastic spectacle frame.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

meth·yl meth·ac·ry·late

(methil methă-krilāt)
Thermoplastic material used for denture bases and as an embedding material for electron microscopy.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Evonik has closed the sale of its Methacrylates business as the next step in its consistent focus on specialty chemicals.
The Methacrylates business has 18 production sites and 3,900 employees worldwide.
Evonik, a company involved in specialty chemicals, has signed a contract to sell its Methacrylates business to Advent International.
In addition to the Methacrylates, it includes the Acrylic Products and CyPlus business lines and some methacrylate resins activities.
The objective of this invitro study was to compare shear bond strength of methacrylate based composite repaired with Silorane composite using intermediate layer of silane coupling agent and Silorane adhesive bond with or without thermocycling.
The firm is also set to construct a 40,000t a year poly (methyl methacrylate) (PMMA), al Iqtisadiah daily reported.
Although methyl methacrylates do offer better color stability than R' methacrylates, overall color stability for both classes is generally poor.
Hofstraat, "Copolymers of halogenated acrylates and methacrylates for the application in optical telecommunication: optical properties, thermal analysis and determination of unsaturation by quantitative FT-Raman and FT-IR spectroscopy," European Polymer Journal, vol.
The obtained results show that the content of crystalline phase decreases with a decrease of share of long chain alkyl methacrylates (DDMA + ODMA) in the copolymer, because the formation of crystalline phases is associated with the alkyl side groups.
During the last decade, studies have investigated and identified the cytotoxicity and genotoxicity of certain methacrylates. Multiple dental resins contain a co-monomer such as triethylene glycol dimethacrylate (TEGDMA), which causes genetic mutations in vitro!
Methacrylates are tested at 2%, acrylates at 0.1%, and cyanoacrylates at 10%, according to Dr.