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Any of a group of thermoplastics that are linear polyesters of carbonic acid, especially those derived from bisphenol A and phosgene, characterized by high-impact strength, light weight, and flexibility, and used as shatter-resistant substitutes for glass.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌpɒlɪˈkɑːbəˌneɪt; -nɪt)
(Elements & Compounds) any of a class of strong transparent thermoplastic resins used in moulding materials, laminates, etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɒl iˈkɑr bəˌneɪt, -nɪt)

a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Makrolon WG (window grade) sheet, an amorphous thermoplastic made from Bayer's Makrolon polycarbonate, is reportedly ideal for use in a variety of applications, ranging from containment to fabricated parts.
In fact, Bayer has already developed an improved polycarbonate for this market, called Makrolon MAS 140.
The special-edition CD is made of Bayer Polymers' Makrolon polycarbonate and colored to achieve the signature "David Bowie Red." Comments Bayer, "This application is a good example of how Milena coloring technology can help customize and brand a CD to match an artist's unique identity."
One was Makrolon T-7435, an opaque, impact-modified PC designed for high flow (17.5 g/10 min) in thin-walled, injection molded telecommunications housings, electronic components, and sporting goods.
Makrolon Rx3440 PC is said to offer superior ductility and chemical resistance to help prevent cracking.
Chengwu Liu, Production Director of Wego, said: "Thanks to its outstanding balance of properties, medical-grade Makrolon polycarbonate from Covestro makes oxygenators safe and durable."
Additional presentations will include: "Current application situation of medical device with plastics as main materials," Mike Gu, Osmunda Medical Device Service Group; "Covestro Makrolon polycarbonate technical solution for medical devices," Raymond Wong, Covestro Polymer (China); and "Clean room manufacturing in medical technology," Burkhard Stolz, University of Applied Science Amberg-Weiden.
A new triple-wall sheet from Makrolon multi UV 3/16-20, Bayer MaterialScience Sheet Europe, bestows improvements including better surface quality, a co-extruded UV protective coating on both sides, optimised weight and increased bearing capacity, the company says.
Bayer MaterialScience LLC's Makrolon Rx1851 polycarbonate was chosen.