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PAINT AND COATINGS MANUFACTURING: ANTIMICROBIAL AND ANTIVIRAL COATINGS

Series is the “world’s first and only antivi-
ral wood coating”.
Kubilay says its products are effective
against coronavirus “and provide full pro-
tection against viruses and bacteria in
every corner of life where wood is used.”
Sherwin Williams says its Paint
Shield microbiocidal paint is the first
EPA-registered paint that kills greater
than 99.9 percent of Staph (Staphylococ-
cus aureus), MRSA, E. coli, VRE, and
Enterobacter aerogenes within two
hours of exposure on a painted surface.
“By killing these harmful bacteria,
Paint Shield offers customers an impor-
GermStop conceptual illustration.
tant new tool to help prevent the spread
of bacteria on painted surfaces,” the
company says.
with vigorous scrubbing. Outdoors, just apply a new coat after steady It says that once applied, Paint Shield is effective for up to four
rain or snow.” years, as long as the integrity of the surface is maintained, Sherwin
Though it’s an area of the industry that has existed for a while, Williams says. The paint can be applied on interior hard, nonpo-
it’s now a burgeoning one with a worldwide pandemic that rous ceilings, walls, doors, and trim.
still shows no signs of abating. Companies across the industry Microban, which formulates additives and works with man-
are developing products. Some are finding new ways to meet all of ufacturers to develop antimicrobial technologies, says its portfolio
the demand. of antimicrobial technologies can be applied to thermoplastic,
PPG already offered antibacterial-protected powder coatings thermosetting, and other cross-linked or cured paints and coatings
for protection across a wide range of applications but says it products.
has increased manufacturing capacity. The turnaround for U.S. “Delivery approaches, such as the use of granular, powdered,
customers is 48 hours. and liquid masterbatches, can be tuned to allow seamless incorpo-
The company says its SilverSan technology “utilizes non- ration into your manufacturing process without
migratory, long-term antibacterial efficacy developed in the man- causing discoloration or affecting the final finish of the paint,”
ufacturing process where silver ions are slowly released by way of Microban says.
an ion exchange mechanism.” Protection from microbial growth Its antimicrobial treatments are custom-formulated to fit a
remains constant, even if the surface has been subjected to wear manufacturer’s specific application and criteria. Microban offers
and exterior exposure, it adds. silver, zinc, antifungal and odor-control technologies.
SilverSan coatings can be formulated in “Microban technologies are implemented
many colors and resin chemistries. by decorative, industrial, and speciality
Similarly, Axalta’s antimicrobial powder paint and coating manufacturers across the
coating and additive offerings use silver. globe, for a variety of different applications,”
Alesta AM is a powder coating solution the company says. “Antimicrobial treat-
treated with silver ion or silver zeolite tech- ments for coatings also offer excellent
nology that inhibits the growth of microbes in-can preservation properties.”
on powder coated surfaces. These coatings COVID-19 and other types of deadly
provide corrosion protection to high traffic viruses are not going away and therefore
areas, such as healthcare environments, pub- neither is the demand for antimicrobial
lic transit and playgrounds. coatings, additives and materials. Further
Alesta RALGuard HAA is an antimicrobial research will be needed in terms of safety
additive designed to inhibit the growth and and cost (not even touched in this short
transmission of harmful microbes on powder article) but certainly these products will
coated surfaces. Axalta says add five percent witness a historical revolution as consumer
RALGuard HAA additive to any Alesta RAL awareness and demand spark further
HAA powder coating to incorporate antimi- opportunities for innovation. n
crobial properties.
Turkish company, Kubilay, which makes
wood painting systems, says its Ultra Hygiene
44 CANADIAN FINISHING & COATINGS MANUFACTURING JANUARY/FEBRUARY 2021