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[Chemical Knowledge]：Properties and Uses of Acrylic Acid

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The properties and uses
of acrylic acid
acrylic acid is a common chemical production raw materials, has a wide range of uses. Understanding its properties and uses is important for practitioners in the chemical industry. This article will detail the properties and uses of acrylic acid.

1. Properties of Acrylic Acid

Acrylic acid is an organic acid with the molecular formula C3H4O2 and the structural formula CH2 = CH-COOH. It is a colorless transparent liquid with a strong pungent odor. Acrylic acid has a melting point of 13 ° C., a boiling point of 141 ° C. and a density of 1.05g/cm3. It is soluble in water, ethanol and ether and other organic solvents, but insoluble in petroleum ether and benzene.

acrylic acid has a strong acidity, its acidity is stronger than acetic acid. Thus, it can react with alkali metal hydroxides, carbonates, ammonia and the like to form salts. In addition, acrylic acid has an unsaturated double bond and can be subjected to addition, polymerization and other reactions.

Use of 2. Acrylic Acid

1. Polymer Manufacturing

acrylic acid can be used to manufacture various polymers, such as polyacrylic acid, polyacrylate, etc. These polymers have excellent properties and are widely used in coatings, adhesives, fibers, plastics and other fields.

2. Coating manufacturing

acrylic coatings have excellent weather resistance, ultraviolet resistance, chemical resistance and decoration, so they are widely used in construction, automobiles, furniture and other fields.

3. Adhesive manufacturing

acrylic adhesive has high strength, quick-drying, water resistance, heat resistance and other properties, and can be used in wood processing, paper processing, leather products and other fields.

4. Fiber manufacturing

acrylic fiber has excellent chemical resistance, heat resistance and UV resistance, and can be used to manufacture filter materials, protective clothing, etc.

5. plastic manufacturing

acrylic plastic has high strength, high hardness, heat resistance, chemical resistance and other excellent properties, can be used to manufacture a variety of plastic products.

In short, acrylic acid, as an important chemical raw material, has been widely used in the fields of polymer manufacturing, coating manufacturing, adhesive manufacturing, fiber manufacturing and plastic manufacturing. Understanding the properties and uses of acrylic acid can better understand and apply this chemical raw material and contribute to the development of the chemical industry.

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