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Results 1 - 10 of 32 for  Wikipedia / Polymethyl methacrylate / Wikipedia    (3565152 articles)

Poly(methyl methacrylate) print that page

Bromine_vial_in_acrylic_cube

formulated in 1865. The reaction between methacrylic acid and methanol results in the ester methyl methacrylate . The German chemists Fittig and Paul discovered in 1877 the polymerization process that turns methyl methacrylate into polymethyl methacrylate . In 1933 the German chemist Otto

Methyl methacrylate print that page

given for materials in their standard state (at 25 °C, 100 kPa) Infobox references Methyl methacrylate is an organic compound with the formula CH 2 =C(CH 3 )OOCH 3 . This colourless liquid, the methyl ester of methacrylic acid (MAA) is a monomer produced on a large scale for

wikipedia.org | 2011/3/19 10:24:39

Plasma polymerization print that page

dielectric constants [ 1 ] . Some common monomers polymerized by this method include styrene, ethylene, methacrylate and pyridine, just to name a few. The 1970s brought about many advances in plasma polymerization, including the polymerization of many different types of monomers, and a probable

wikipedia.org | 2011/9/10 15:04:18

Contact lens print that page

Contactlenzen_Confortissimo

A contact lens (also known simply as contacts for a pair) is a corrective , cosmetic , or therapeutic lens usually placed on the cornea of the eye . Leonardo da Vinci is credited with describing and sketching the first ideas for contact lenses in 1508, but it was more than 300 years later

Polycarbonate print that page

Polycarbonate_water_bottle

polycarbonate exterior automotive components. The characteristics of polycarbonate are quite like those of polymethyl methacrylate (PMMA, acrylic), but polycarbonate is stronger, usable in a wider temperature range but more expensive. This polymer is highly transparent to visible light

Scintillator print that page

SGCat24454-scint-gris.noirEtBlanc

A scintillator is material which exhibits scintillation – the property of luminescence [ 1 ] when excited by ionizing radiation . Luminescent materials, when struck by an incoming particle, absorb its energy and scintillate, i.e. reemit the absorbed energy in the form of light. [ 2 ]

Polyphenyl ether print that page

The proper name for a phenyl ether polymer is poly(phenyl ether) or polyphenyl polyether, but the name polyphenyl ether is widely accepted. Polyphenyl ethers (PPEs) are obtained by repeated application of the Ullmann Ether Synthesis : reaction of an alkali-metal phenate with a halogenated benzene

wikipedia.org | 2010/9/24 21:01:10

Ocular prosthesis print that page

ScleralLens1

An ocular prosthesis or artificial eye (a type of Craniofacial prosthesis ) replaces an absent natural eye following an enucleation , evisceration , or orbital exenteration . The prosthetic fits over an orbital implant and under the eyelids . Often referred to as a glass eye , the ocular

Tanning bed print that page

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A sunbed (British English), tanning bed (American English) or sun tanning bed is a device which emits ultraviolet radiation (typically 97% UVA and 3% UVB, +/-3%) to produce a cosmetic tan . Regular tanning beds use several fluorescent lamps that have phosphor blends designed to emit UV

Artificial nails print that page

Tipsy

used to create longer, better-looking nail enhancements. One popular material commonly called " Polymethyl methacrylate acrylics " is a mixture of a polymer powder and a liquid monomer (e.g. ethyl methacrylate ). The mixture starts to harden in 30–40 seconds after application and continues