Crossword-Dictionary.net

Polymethylmethacrylate

Polymethylmethacrylate (PMMA), often referred to as acrylic or acrylic glass, is a synthetic polymer resin. It's a transparent and rigid thermoplastic, valued for its exceptional clarity, impact resistance compared to glass, and resistance to ultraviolet light. It's lightweight, making it easier to handle and transport than glass. PMMA is frequently used in a variety of applications, spanning from display screens and protective shields to medical devices and architectural elements. It is known for its versatility, with many grades available which provide varying levels of performance in its applications.

Polymethylmethacrylate meaning with examples

  • The architect specified PMMA sheets for the skylights due to their superior clarity and weather resistance, allowing abundant natural light. They wanted protection from harmful UV rays and chose PMMA as a replacement for a traditional glass alternative. The lightweight nature also facilitated easier installation on the rooftop structure, reducing construction time and costs.
  • Surgeons often utilize PMMA bone cement in orthopedic procedures to fix implants or repair fractured bones, giving patients more mobile lives after difficult operations. The biocompatibility of PMMA makes it a safe choice for embedding prosthetics, enhancing the patient's quality of life and promoting healing, and is relatively safe in vivo with few adverse reactions.
  • Many aquariums utilize PMMA panels for their large viewing windows, offering stunning underwater views while providing significant strength and protecting against leakage. Its transparency, which is almost as high as that of glass, ensures an immersive viewing experience for visitors of aquariums, creating a memorable and educational experience.
  • Due to its excellent optical clarity, PMMA is a key ingredient in the manufacturing of contact lenses, allowing clear vision and enhanced comfort for individuals with vision impairment. The material's biocompatibility and ability to be molded into precise shapes make it an ideal component of these essential medical devices.

© Crossword-Dictionary.net 2025 Privacy & Cookies