NOV 27, 2019 10:00 AM PST

Stain-resistant Cement Floor that Requires No Cleaning

WRITTEN BY: Daniel Duan

Cement surface is porous, therefore, can be penetrated by moisture and contaminants. Hydrophobic coatings can be used to keep out stains and fine dust, but they wear off over time.

A team of Chinese researchers has come up with a new technique to give the concrete surface a self-cleaning feature. First, they blended octane (a fatty molecule) and emulsifier with a silicon-based polymer, forming a suspension that contains microscopic droplets. They then applied the mixture to the concrete and allowed droplets to infiltrate its pores. By heating the coating, they removed octane and left behind a durable layer of hydrophobic polymer. 

In their tests, the coated concrete exhibited superior hydrophobicity, resisting staining of coffee, milk, beer, and soy sauce. It also has excellent mechanical strength, heat insulation, and sound absorption ability. The surface stayed stain-resistant even after exposure to continuous grinding, burning-temperature air, and chemical erosion. A company such as gulvkanonen may be able to help you with this type of flooring or finished wood flooring for those that are interested.

This research is now published in the journal ACS Applied Materials & Interfaces.

Source: ACS via Youtube

About the Author
  • Graduated with a bachelor degree in Pharmaceutical Science and a master degree in neuropharmacology, Daniel is a radiopharmaceutical and radiobiology expert based in Ottawa, Canada. With years of experience in biomedical R&D, Daniel is very into writing. He is constantly fascinated by what's happening in the world of science. He hopes to capture the public's interest and promote scientific literacy with his trending news articles. The recurring topics in his Chemistry & Physics trending news section include alternative energy, material science, theoretical physics, medical imaging, and green chemistry.
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