Polymethyl methacrylate (PMMA), commonly
known as acrylic or acrylic glass, is a transparent thermoplastic polymer known
for its excellent optical clarity, weather resistance, and impact strength.
Here are the details of Polymethyl methacrylate (PMMA) along with its CAS number:
- Chemical formula: (C5O2H8)n
- CAS Number: 9011-14-7 (Polymethyl
methacrylate)
PMMA is produced through the polymerization of methyl methacrylate monomers. The resulting polymer is transparent and possesses properties similar to glass but is much lighter and more shatter-resistant. It is commonly used as a lightweight and durable alternative to glass in various applications, including:
1. Architectural Applications: PMMA sheets are used in windows, skylights, and domes in buildings due to their optical clarity and impact resistance.
2. Automotive Industry: PMMA is used in automotive applications such as headlight lenses, taillight covers, and instrument panels due to its clarity, durability, and ability to withstand harsh weather conditions.
3. Signage and Displays: PMMA is widely used in signage, displays, and point-of-sale materials due to its transparency, lightweight nature, and ease of fabrication.
4. Lighting: PMMA is used as a material for LED light diffusers, light guide panels, and lenses due to its optical properties and ability to transmit light efficiently.
5. Medical Devices: PMMA is used in medical devices such as dental prosthetics, orthopedic implants, and intraocular lenses due to its biocompatibility and optical clarity.
6. Consumer Goods: PMMA is used in various consumer goods such as furniture, kitchenware, and electronic device housings due to its aesthetic appeal, durability, and scratch resistance.
PMMA is valued for its versatility, optical clarity, and durability, making it a popular choice for a wide range of applications. However, it is important to note that PMMA can degrade when exposed to certain chemicals and solvents. Efforts are underway to develop improved formulations and surface treatments to enhance the durability and performance of PMMA materials.
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