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polyacrylics |
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polyacrylics (pŏl'ēəkrĭl`ĭks), group of thermoplastics that are transparent and highly decorative (see plastic plastic, any organic material with the ability to flow into a desired shape when heat and pressure are applied to it and to retain the shape when they are withdrawn. ..... Click the link for more information. ). The polyacrylics, or acrylic plastics, are polymers polymer (pŏl`əmər) ..... Click the link for more information. (and copolymers) of derivatives of acrylic acid, H2C=CH-COOH. The best-known acrylic plastic, sold under the trade names Plexiglas and Lucite, is polymethyl methacrylate. It takes a high polish, is clear and colorless, and is transparent to visible and ultraviolet light. Since it is a thermoplastic, it can be shaped while hot to form a number of objects, such as windshields for airplanes and transparent ornamental objects. Other esters of acrylic acid and methylacrylic acid similarly polymerize and copolymerize to transparent thermoplastics, differing somewhat in hardness and in softening temperatures. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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They have proven to be extremely effective with peroxide cured compounds, high filler content and other difficult to process compounds such as FKM, HNBR, CPE, EPDM, ECO, polyacrylics, poly-butadiene, as well as SBR, nitrile, natural, isoprene and other rubber parts, according to the company. patent allowance for use with plastics, recycled plastics, thermoplastics, thermoplastic elastomers, polyacrylics, asphalt and latex. |
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