Chemical Properties of Water Based Acrylic Resins

Chemical Properties of Water Based Acrylic Resins

2026-01-29

Environmental Friendliness: Water-based acrylic resins use water as a solvent and do not produce harmful gases or pollutants during use, meeting environmental protection requirements.

Weather Resistance: They have good weather resistance and can be used under various climatic conditions, being less susceptible to the effects of ultraviolet light, oxygen, and humidity.

Good Adhesion: They exhibit good adhesion and can bond to a variety of substrates (such as metals, glass, ceramics, fibers, etc.).

Fast Drying: After dissolving in water, water-based acrylic resins can quickly form a hard, wear-resistant film through heating or air drying.

Good Adjustability: They have good adjustability and can be diluted, colored, and filled as needed to obtain the desired properties.

Molecular Structure Design: Molecular structure design is the core of water-based acrylic resin design. By selecting appropriate acrylate monomers, the resin's performance can be adjusted.

Monomer Composition: Common hydroxyl-containing functional monomers such as hydroxyethyl acrylate and hydroxyethyl methacrylate can form hydrogen bonds with water, improving the hydrophilicity of the resin.

Carboxyl Monomers: Such as methacrylic acid and acrylic acid, can undergo ring-opening addition reactions with epoxy groups, or form amide bonds with amino resins under acidic or alkaline conditions.

Amide Monomers: Amide monomers such as acrylamide enhance intermolecular forces, improving the water solubility, chemical activity, thermal stability, and thermal properties of the polymer.

Epoxy Monomers: Epoxy monomers can undergo ring-opening reactions with nucleophiles such as primary amines, thiols, or hydroxyl groups under mild conditions, improving the hardness, gloss, adhesion, UV absorption performance, and thermal stability of the copolymer.

Fluorine-containing Acrylic Monomers: The complete monomers can be detected in GCMS and PGC spectra, and special elements can be screened using XRF, while IC can be used for absolute quantification of fluorine-containing acrylic monomers.

Bromine-containing Acrylic Monomers: These improve the flame retardant properties of the resin and are often used in interior decoration materials such as curtains and carpets in buildings. Sulfonic acid-based acrylic monomers: improve the hydrophilicity and water absorption properties of copolymers; reduce the friction coefficient and improve lubrication; the sulfonic acid group complexes with Fe3+, increasing the rigidity of the hydrogel; and improve temperature, salt, and shear resistance.

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