methacrylic acid
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Definition
Noun: A colorless, corrosive liquid organic compound with the chemical formula C₄H₆O₂. It is an unsaturated carboxylic acid, characterized by a vinyl group adjacent to the carboxylic acid group. Its primary industrial use is as a key monomer in the production of various polymers, resins, and plastics.
Usage
This term is used almost exclusively in scientific, industrial, and chemical contexts. It refers specifically to the chemical compound itself, its properties, or its role as a raw material. * The polymerization of methacrylic acid yields a clear, durable plastic. * Methacrylic acid derivatives are common in the manufacture of paints and adhesives. * The laboratory synthesized a small batch of methacrylic acid for the experiment.
Advanced Usage
- As a monomer: In polymer chemistry, methacrylic acid is described as a monomer that can be copolymerized with other monomers (like methyl methacrylate) to create materials with specific properties such as solubility, clarity, or reactivity.
- The copolymer of methacrylic acid and ethyl acrylate is used as a thickening agent.
Variants and Related Words
- Methacrylate (noun): An ester or salt of methacrylic acid. These are the more common forms used in polymerization (e.g., methyl methacrylate, the monomer for Plexiglas).
- Poly(methacrylic acid) (noun): The polymer formed from methacrylic acid monomers.
- MAA (noun): A common initialism for methacrylic acid in technical literature and industry.
Synonyms
- 2-methylpropenoic acid: The systematic IUPAC name for the compound.
- α-methylacrylic acid: An alternative chemical name.
Related Phrases / Collocations
- Methacrylic acid copolymer: A polymer made from methacrylic acid and one or more other monomers.
- Methacrylic acid resin: A synthetic resin derived from methacrylic acid or its esters.
- Ester of methacrylic acid: Refers to compounds like methyl methacrylate.
Noun
- an unsaturated acid (C4H6O2) used to make resins and plastics