polymethyl methacrylate


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

polymethyl methacrylate

[′päl·i‚meth·əl mə′thak·rə‚lāt]
(organic chemistry)
A thermoplastic polymer that is derived from methyl methacrylate, CH2=C(CH3)COOCH3; transparent solid with excellent optical qualities and water resistance; used for aircraft domes, lighting fixtures, optical instruments, and surgical appliances.

methyl methacrylate

A tough, rigid, transparent acrylic plastic having good resistance to common solvents and acids; subject to crazing.
References in periodicals archive ?
5 Haptic angle 5[degrees] Other features Monoblock, No positioning holes IOL: Intraocular lens, PMMA: Polymethyl methacrylate Table 2.
Right ventricular perforation and pulmonary embolism with polymethyl methacrylate cement after percutaneous kyphoplasty.
Technavio's analysts forecast the global polymethyl methacrylate market to grow at a CAGR of 5.
Influence of polymerization conditions on monomer elution and microhardness of autopolymerized polymethyl methacrylate resin.
A three-piece IOL/single-piece polymethyl methacrylate IOL of 6mm optic size was placed inside the bag depending upon randomly assorted cases with 70 in each group.
Ankle arthroplasty implants of the first decade (1970s) were relatively constrained, consisting of two components: one made of metal and one of polyethylene fixed with polymethyl methacrylate cement (Fig.
1,4,7,9,13,15,16) In addition, intensified local antibiotic therapy is provided in some cases by implanting antibiotic-impregnated polymethyl methacrylate beads.
The polymers can be epoxy, polymethyl methacrylate (acrylic), polycarbonate, or other transparent polymers.
Actually, the prime use of acetone is to produce polymethyl methacrylate, better known as Plexiglas.
based Altuglas International, a subsidiary of Arkema Group, has introduced the Altuglas Luctor polymethyl methacrylate (PMMA) alloy, purported to flow twice far as conventional transparent medical polymers in thin wall injection mold cavities.
In constructing the lens, researchers relied on a robust material commonly used in early contact lenses called polymethyl methacrylate (PMMA).