Overview
Methyl methacrylate (MMA) is an organic compound that serves as a crucial monomer in industrial chemistry. It is primarily used to produce polymethyl methacrylate (PMMA), commonly known as acrylic glass. The global demand for MMA continues to grow due to its versatile applications across multiple industries. First synthesized in the early 20th century, MMA has become a fundamental building block in polymer chemistry. Its ability to form transparent, durable plastics makes it particularly valuable for optical applications and consumer products. The compound is typically produced through acetone cyanohydrin or newer C4-based processes.
Physical and Chemical Properties
MMA is a colorless liquid at room temperature with a characteristic fruity odor. The compound is highly volatile and flammable, with a flash point of 10°C. Its low viscosity and surface tension facilitate processing in various industrial applications. Chemically, MMA contains both ester and vinyl functional groups, making it highly reactive. The double bond enables polymerization, while the ester group contributes to solubility characteristics. The compound can undergo both homopolymerization and copolymerization with other monomers to create materials with tailored properties.
Main Applications
The primary use of MMA is in the production of PMMA, which accounts for about 75% of global consumption. PMMA finds extensive use in signage, lighting fixtures, automotive components, and construction materials due to its optical clarity and weatherability. Other significant applications include surface coatings for industrial and automotive finishes, adhesives and sealants, and dental prosthetics. In the medical field, MMA-based bone cements are widely used in orthopedic surgeries. Emerging applications include LED light guides and touch screen displays.
Safety and Storage
MMA requires careful handling due to its flammability and health hazards. Proper ventilation and explosion-proof equipment are essential in facilities handling bulk quantities. The vapors may cause respiratory irritation and central nervous system effects with prolonged exposure. Storage tanks should be equipped with nitrogen blanketing to prevent polymerization. Inhibitors such as hydroquinone or MEHQ are typically added to prevent premature polymerization during storage and transportation. Spill containment measures should be implemented in storage areas.
B2B Procurement Guide
When sourcing MMA, industrial buyers should specify technical grade (typically 99.5% purity) or specialty grades with specific inhibitor content. Bulk purchases are commonly made in isotanks or drums, with quantity discounts available for contract volumes. Key procurement considerations include supplier reliability, logistics capabilities, and compliance with regional chemical regulations. Many buyers establish long-term contracts to mitigate price volatility. Technical support for polymerization processes may be a valuable supplier differentiator.
Related Manufacturers
- 主营：液体橡胶、塑料增韧剂、相容剂、甲基丙希酸甲酯、溶剂型TPU、橡胶粉末、英全SBS、聚丁二烯橡胶RB系列、可发性聚苯乙烯EPS、改性TPU
- 主营：液体橡胶、橡胶粉末、塑料粉末、甲基丙希酸甲酯、改性助剂、接枝料、工程塑料、通用塑料
- 主营：改性助剂、相溶剂、增韧剂、甲基丙烯酸缩水甘油酯、接枝料、丁晴橡胶粉、各类粉末、流变剂、油性水性液体橡胶、液体丁腈、液体丁苯、液体三元乙丙、液体丁基、SBS英全化学、液体顺丁/聚丁二烯、溶剂TPU、聚丁二烯橡胶RB系列