polymethyl methacrylate


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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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

methyl methacrylate

A tough, rigid, transparent acrylic plastic having good resistance to common solvents and acids; subject to crazing.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Zhang et al., "Preparation of calcium phosphate cement and polymethyl methacrylate for biological composite bone cements," Medical Science Monitor, vol.
Moreover, the heat effect and toxic effect produced by polymethyl methacrylate can help kill tumor cells.
Polymethyl methacrylate is one of the most widely used materials in prosthetic dentistry.
The main products will include ethylene propylene rubber (EPR), thermoplastic polyolefin (TPO), methyl methacrylate (MMA) monomer, polymethyl methacrylate (PMMA), as well as low-density polyethylene/ethylene vinyl acetate (LDPE/EVA), para-xylene/benzene, cumene and phenol/acetone.
Dry, fine powdered spherical polymethyl methacrylate particles (pMMA) were produced at optimised conditions.
The other plant will manufacture PMMA (polymethyl methacrylate) and methyl methacrylate (MMA) monomer under a joint venture - Saudi Methacrylates Company - formed with Mitsubishi Rayon Company.
Unlike highly transparent thermoplastics such as polycarbonate and polymethyl methacrylate, LUMISIL LR 7600 does not tend to yellow, with the cured rubber remaining colourless even at high temperatures and under long-term exposure to artificial or natural light, including ultraviolet radiation.
168 eyes of 168 patients underwent suture less sclerocorneal tunnel cataract surgeries with polymethyl methacrylate intraocular lenses.
Rabigh II will produce ethylene propylene rubber, thermoplastic polyolefin, methyl methacrylate monomer and polymethyl methacrylate.