Plexiglass methacrylate

Methyl methacrylate H2C=CC02CH3 1 CH3 (-ch2-c-) CH3 When cast in sheets is transparent used as glass substitute (Lucite Plexiglas)... 

Cyanohydrins are used primarily as intermediates in the production of other chemicals. Manufacture of methyl methacrylate, used to make acrylic mol ding resins and clear sheet, eg, Plexiglas acrylic sheet, from acetone cyanohydrin is the most economically important cyanohydrin process (see Methacrylic polymers). Cyanohydrins are also used as solvents in appHcations including fiber-spinning and metals refining. Cyanohydrins and derivatives reportedly act as antiknock agents in fuel oil and motor fuels and serve as electrolytes in electrolytic capacitors. 

Examples of commercial poly(methyl methacrylate) sheet are Perspex (ICI), Oroglas and Plexiglas (Atoglas). Poly(methyl methacrylate) moulding powders include Diakon (ICI), Acry-ace (Fudow Chemical Co., Japan), Lucite (Du Pont) and Vedril (Montecatini). 

Methacrylic acid and its esters are useful vinyl monomers for producing polymethacrylate resins, which are thermosetting polymers. The extruded polymers are characterized by the transparency required for producing glass-like plastics commercially known as Plexiglas ... 

Methyl methacrylate ch3 j J Plexiglas, Lucite Paint, sheets, moldings... 

Plexiglas, a clear plastic used to make many molded articles, is made by polymerization of methyl methacrylate. Draw a representative segment of Plexiglas. 

Methyl methacrylate Plexiglas, Incite, acrylic resins High-quality transparent objects, latex paints... 

When the methyl methacrylate molecule polymerizes, it is polymethyl methacrylate—Plexiglas. 

Polymethyl methacrylate (PMMA) octylacrylamide/acrylates/butyl-aminoethyl methacrylate copolymer Plexiglas... 

They are also important chemical intermediates. For example, acetone is used to make methyl methacrylate (the starting material for Plexiglas and Lucite plastics), methyl isobutyl ketone, and Bisphenol A (used in epoxy and polycarbonate resins). 

The polymerization of methyl methacrylate produces poly(methyl methacrylate), an exceptionally clear plastic sold under the names Plexiglas or Lucite as a shatter-proof substitute for glass in windows, doors, and other glazing applications. 

Hydrogen cyanide is an important raw material used in the production of methyl methacrylate and is widely used for Lucite, Plexiglas molding, and extrusion powders as well as coating resins. It is used widely in the agricultural sector to fumigate orchards and tree crops. 

Another polymer used for unbreakable windows is poly(methyl methacrylate). PMMA is a vinyl polymer, made by free radical vinyl polymerization from the monomer methyl methacrylate, according to the reaction in Fig. 14.4.5. Rohm and Haas introduced this PMMA-based shatterproof glass as Plexiglas. ... 

Poly (methyl methacrylate) has excellent optical properties and is marketed under the names Lucite, Plexiglas, and Perspex. 

Conversely, vesicants have also been thickened with various substances to enhance deployment, increase their persistency, and increase the risk of percutaneous exposure. Thickeners include polyalkyl methacrylates (methyl, ethyl, butyl, isobutyl), poly(vinyl acetate), polystyrene, plexiglas, alloprene, polychlorinated isoprene, nitrocellulose, as well as bleached montan and lignite waxes. Military thickener K125 is a mixture of methyl, ethyl, and butyl polymethacrylates. When thickened, agents become sticky with a consistency similar to honey. Typically, not enough thickener is added to affect either the color or odor of the agent. 

Polymerization of methyl methacrylate to Plexiglas is done in the bulk process. High pressure polymerization of ethylene is done this way also. But other addition polymerizations frequently become too exothermic and without adequate heat removal system, the reaction tends to run away from optimum conditions. 

Uses Manufacturing methacrylate resins and plastics (e.g., Plexiglas and Lucite) impregnation of concrete. 

Trade names for acrylate and methacrylate polymer products include Acrylite, Dicalite, Lucite, Plexiglas, and Rhoplex. 

Plexiglas A Trademark of Rohm Haas Company for thermoplastic, poly (methyl methacrylate) - type polymers... 

The most widely used acrylic plastics are PMMA (Lucite) or copolymers of methyl methacrylate with small amounts (2 to 18%) of methyl or ethyl acrylate (Plexiglas). These commercial products, which are available as sheets and as molding powders, have a specific gravity of about 1.2, a heat deflection temperature of about 95 C, a refractive index of about 1.5, and a water absorption of 0.2%. PMMA is more resistant to impact than PS or glass, but its scratch resistance is inferior to that of glass,... 

Methyl methacrylate is only one of a family of monomers, including the various esters of acrylic, methacrylic, and ethacrylic acids, which are polymerized to produce the thermoplastic resins known as the acrylates. A wide variety of reactions and starting materials may be utilized for their production however, the principal commercial product is polymethyl methacrylate, sold by Du Pont and Rohm Haas under the trade names of Lucite and Plexiglas, respectively. These materials were introduced to the United States market in 1936 (44) and have received widespread acceptance due principally to their outstanding optical properties. Production in 1949 was reported as about 22,000,000 to 25,000,000 pounds and peak wartime capacity was above30,000,000 pounds. While this can account for only about 2% of the current production of propylene for chemical purposes, the acrylate resins are of considerable commercial importance as they are sold at a relatively high price and are the only materials available that will meet the requirements for certain military and civilian products. 

---