Functional Additives

Why Choose Water-Based Polyurethane Dispersions Over Solvent-Based Coatings

Posted by Jason LaFavre on May 2, 2023 9:32:53 AM
Jason LaFavre
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Polyurethane waterborne dispersions (PUDs) are a type of water-based polymer dispersion that offer a range of benefits over traditional solvent-based polyurethane coatings. PUDs are made by combining polyurethane resins with water and other additives, such as surfactants and cross-linking agents, to create a stable dispersion that can be applied to a variety of substrates.

Related Article: What Are Moisture-Curing Polyeurathanes


The Main Advantages of Polyurethane Waterborne Dispersions (PUDs)

One of the key advantages of PUDs is their low VOC content. Unlike solvent-based coatings, which release volatile organic compounds (VOCs) during the curing process, PUDs contain low levels of VOCs, making them a more environmentally friendly option. PUDs also offer excellent adhesion, durability, and resistance to abrasion, chemicals, and UV radiation. 

PUDs are used in a wide range of industries including automotive, construction, and furniture. In the automotive industry, PUDs are used as topcoats and clearcoats to provide a high level of protection and durability against the harsh conditions of the road. PUDs are also used in the construction industry to coat floors, walls, and other surfaces to provide protection against abrasion, chemicals, and UV radiation. 

Free Guide to Water and Solvent-Based Coatings

Another advantage of PUDs is their ability to be formulated to meet specific application requirements. PUDs can be customized to achieve specific performance properties such as hardness, flexibility, and adhesion, making them a versatile option for businesses looking for a coating solution that meets their unique needs. 

In addition, PUDs offer easy application and fast drying times, reducing the amount of time required for coating application and increasing productivity. PUDs can be applied using a variety of methods including spraying, brushing, and rolling, and can be used on a variety of substrates, including wood, metal, and plastics. 

Related Article: Is There a Correlation Between the Rising Number of Homeruns and the Prevalence of Polyeurathanes in Professional Baseball?


Final Thoughts 

To summarize, PUDs offer noticeable benefits, including:

  • Low VOC content relative to solvent-based coatings
  • Excellent adhesion
  • Excellent protection from abrasion, chemicals, and UV exposure
  • Applicable across a diverse range of industries
  • Easily customizable to meet certain performance characteristics
  • Easy application with fast drying times
  • Effective on a wide range of substrates

Overall, polyurethane waterborne dispersions offer many benefits over traditional solvent-based coatings. The versatility and ease of application of PUDs make them an attractive option for businesses looking for a more environmentally friendly and sustainable coating solution. If you're interested in learning more, please reach out by leaving a comment below. Our team is always happy to discuss how PUDs may factor into your application.

Free Guide to Water and Solvent-Based Coatings

Topics: PUDs, Water-based polyeurathanes