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.

methyl methacrylate

A tough, rigid, transparent acrylic plastic having good resistance to common solvents and acids; subject to crazing.
References in periodicals archive ?
Antibiotic-impregnated polymethyl methacrylate beads in the treatment of bumblefoot in raptors.
Having thus far produced polystyrene and polymethyl methacrylate nanocomposite foams, Lee says his process can be used with any type of plastic, although certain polymers are more compatible.
The colorless material specified by Delphi is a 2 mm thick polymethyl methacrylate (PMMA), with scratch resistant, anti-reflective and anti-smudge coatings.
There have recently been efforts to bulk polymerize polymethyl methacrylate in a twin-screw extruder in the temperature range from 90[degrees]C to 160[degrees]C (14, 15).
Those lenses were made from a hard plastic called polymethyl methacrylate, or PMMA, that allowed no oxygen to reach the area of the cornea under the lens.
Sanduvor VSU white, free-flowing oxalanilide-type, nonhydroxy substituted ultraviolet absorber with reportedly excellent thermal stability recommended for thermoplastic polyester fibers, PVC, unsaturated polyesters, styrenic PC, polyacetal, polyamides, polymethyl methacrylate, PUR, and coatings resins.
Polymethyl methacrylate, for example, "unzips" almost entirely to methyl methacrylate monomer, and produces a chromatogram like that shown in figure 1.
Pattern Materials: expandable polystyrene (EPS), expanded polymethyl methacrylate (EPMMA), expanded polyethylene (EPE), expanded polyalkylene carbonate (EPAC).
com/research/wtlsbk/global_polymethyl) has announced the addition of the "Global Polymethyl Methacrylate (PMMA) Market 2015-2019" report to their offering.
Tenders are invited for Supply, Design, Printing And Installation Of Thick Glassy Coated Hard Synthetic Fabric Adhesive Material Enclosed Between 2 X 5Mm Thick Transperant Polymethyl Methacrylate Sheet And Fixing With Stainless Steel Coated Studs Of 50Mm Length For Displaying Coach Informative Data.
Rabigh II will produce ethylene propylene rubber (EPR), thermoplastic polyolefin (TPO), methyl methacrylate (MMA) monomer and polymethyl methacrylate (PMMA) among other products.
com)-- The global market for Polymethyl Methacrylate (PMMA) is expected to reach USD 10.