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Concrete, Asphalt Sealer Uses Nanotech

Tuesday, June 13, 2017

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A new waterproofer from Arisfor LLC (Grove City, Pennsylvania) features protective nanotechnology provided by Houston firm Integricote.

The firm says that, because of the nanotechnology from the Integricote team, the new Arisfor Multi-Surface Waterproofer forms a moisture barrier that integrates with the surface matieral, allowing it to provide protection against damage from water, acids and deicing salts.

According to Arisfor, the partnership with Integricote team, which was already notable for its work with solar-panel coatings, helped it to move away from traditional sealing technology and look at alternative chemistry for waterproofing.

Arisfor LLC

The company says that, because of the nanotechnology from the Integricote team, Arisfor MSW forms a moisture barrier that integrates with the surface matieral, allowing it to provide protection against damage from water, acids and deicing salts.

“Most sealing and coating formulations are polymer-based; they interact with the surface area they are designed to treat in a similar manner as paint, and will degrade under ultraviolet light over time,” said Shay Curran, professor of physics at the University of Houston and CEO of Integricote.

The nanotechnology binds the formula to concrete and masonry from the inside out, the company says, enabling the sealer to prevent corrosion, spalling and cracks caused by moisture, deicing salts and chemicals.

Parking Lots, Loading Docks

The spray-applied product is suited for commercial and residential use on building facades, parking lots, decks, driveways, curbs, loading docks and ramps, and concrete sidewalks and stairs. It can also be applied to tile, limestone granite, marble, slate and gravestones, the company notes.

The new Arisfor MSW formula aims to make the waterproofing process more efficient, requiring only one coat and drying in less than 30 minutes (with a two-hour set time), according to the release.

The company also notes that, in contrast with the standard annual reapplication requirement, one application of Arisfor MSW could last from two to six years before reapplication is required.

More information:


Tagged categories: Coating Materials; Moisture resistance; Nanotechnology; North America; Sealers; water damage

Comment from Fred Salome, (6/13/2017, 1:30 AM)

Interesting, I thought. However as nanotechnology is in itself not any defined chemistry, I decided to see if the source could provide more information. Integricote's web-site does not mention nanotechnology, and appears to be all about hydrophobic sealers (penetrating water-repellants). These have of-course been around since the 1940's, with even the ones that work (organo-silanes) becoming popular as far back as the 1980's. Even bonding these to microcrystalline particles such as Aerosil has been around for years, although the Nano-crowd seem to think they invented this idea. I make these comments because I am genuinely interested to see new effective chemistry based around nanotechnology, but every time I follow one of these supposedly innovative products it comes back to something not really new. I would love to be shown wrong onthis, and to have the actual novel chemistry revealed to me.

Comment from Warren Brand, (6/14/2017, 9:01 AM)

Hi Fred, I've done a considerable amount of research on the new buzz surrounding "nano-everything." The problems are many. How small is the nano particle? Is there enough in the material to make a difference? If someone throws a thimble of Buckyballs into a 10,000 gallon mix of paint, is that paint now being sold as being a nano-enhanced material? Many fillers can be ground small enough to be considered nano, but that does not mean that they will enhance the performance of, well, anything. My research was exhausting and exhaustive. The takeaway, at least for me, is caveat emptor. Buyers really must be very careful and ask a lot of questions before paying a premium. I wrote a blog here not too long ago about how superhydrophobic materials really weren't ready for prime time. And I've only found a very, very few instances where true, nano-particles impart some unique and beneficial characteristic to a coating or paint system. For those of us old enough to remember, we really need to ask, "Where's the beef?"

Comment from Fred Salome, (6/17/2017, 11:38 PM)

Warren, I did read your thoughts on superhydrophobicity. Caveat Emptor is well enough for people with a basic understanding, but unfortunately the coatings industry is populated largely by people who have only a marginal grasp of the science behind the products, which as you are aware can be quite complex. It is easy to come up with a few sensational claims and then intellectually bully anyone who dares to question the claims. Keep up the good work.

Comment from Tom Schwerdt, (6/20/2017, 8:40 AM)

Fred, you're right. The description could easily be achieved with standard silane and/or siloxane chemistry, which individual molecules (certainly nanoscale) bond to the concrete instead of forming a film.

Comment from Warren Brand, (6/20/2017, 9:44 AM)

Hi Fred. Hi Tom. Agreed. It is, I think, part of the American psyche to want "the next best thing." That's fine for soaps, crackers, TV's, phones, etc. But not for our industry. And Fred, you hit it right on the head. Thanks for your kind words and support. It is sometimes a lonely path, tilting at windmills.

Comment from Michael Quaranta, (6/20/2017, 1:31 PM)

We're not done yet and there are several excellent comments from the three of you. We originated a non-profit corporation in 2012 named "American Counci for Architectural Engineering Physics (ACAEP). to address a nmuber of basic quatum particle physics questions arising in the construction industry. My favorite author is Richard Feynman and his book "Six Easy Pieces." If Mr. Feynman were stil with us today and we posed the questions on this product to him, he'd have a ball. Then the latest article of interest appeared in "The Scientist Magazine" Please take the time to read this article >> <<< Then back to this nanoparticle sealer and the basic question: Is it UV resistant and what is the projected outdor life on a concrete surface? There are other similar products in a category described as "HP' . . . We are bringing our non-profit ACAEP into full operatin with a proposal and invitation for funding to support the establishment of quantum particle physiics in the day to day operations of the construction industry (I'll be back ...).

Comment from Michael Quaranta, (6/20/2017, 1:50 PM)

Sorry for the typos in my comment secton but you've got to read The Scientist article. I have a few other outstanding articles regarding construction consensus specification development that would fit very well here. The "Vision" of the ACAEP is to bring Quantum Particle Physics to the construction industry perhaps in the form of a public available APP . . .

Comment from Fred Salome, (6/21/2017, 2:57 AM)

Michael, Quantum Particle Physics is a big jump down in size even from Nano-Particles, and it seems unlikely that I will ever find subatomic particles being of use or interest on construction sites, except of course for medical cyclotrons, nuclear generators and so on.

Comment from Michael Quaranta, (6/21/2017, 6:10 PM)

Fred, don't be a nay-sayer. Try to understand moisture with quantum particle physics as the foundation of where it becomes deposited and its life. Dr. Feynman wrote about particle physics at great length. Now let's get back to this spray-on nano product. How does it really work or is it just a marketing pitch? Next we will see this type of product on exterior building walls to replace Tyvek, etc.? Oh and that's another big jump subject for quantum particle physics.

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