BBC 11am + ITV 12.30pm Monday - all being well14 Nov 2020 23:44
Apologies if this already posted here today.
Earlier message from Trevor Brown
P2F’s masks adopt the same non-woven melt blown polypropylene barrier technology that is incorporated into current state of the art fluid-resistant Type IIR surgical mask; however, we have incorporated two of these layers rather than just one. The result is that the mask has a bacterial filtration efficiency (BFE) of >99.98%.
The outer most layer is a hydrophobic spunbonded polypropylene fabric that repels moisture and bodily fluids. Whereas the inner most layer is a hypoallergenic hydrophilic spunbonded polypropylene layer, designed to feel comfortable on the face and highly breathable.
One of the novel steps we’ve incorporated is to bind the two filter layers directly onto the surface of the inner and outer layers, so to the naked eye they are one layer each. We’ve also added the pigment to the filter layer to reduce any posable allergic reactions to dye.
The inner layer is the antiviral one and contains our patented copper nanoparticle formulation that has been printed and melted onto the fabric, enough for it not to fall away but not completely engulfed so it retains its active surface.
Our nanoparticles are spherical in appearance, this results in a large surface area to volume ratio. This increase in effective surface area and the fact that the nanoparticles are in the same size domain as the virus (~100 nm) results in a highly efficient virucide.
In the absence of the antiviral layer any filter can end up concentrating up pathogens in the mask; as is the case with other Type IIR masks. If the filter, then gets compromised you could end up inhaling or exhaling a large concentration the very thing you are trying to stop.
Other face “coverings” on the market that proclaimed to kill viruses, including those with embedded copper, don’t have a filter that is small enough (<100nm) to prevent the virus or the cells, that carry it, from passing through. So, if you inhale/exhale quickly the pathogen will simply pass through without ever encountering the virucide.
We think BBC is 11 am Monday and itv is 12:30 Monday. We are assuming they will go out on East Midlands and Central News broadcasts throughout the afternoon and evening. However links should also be available. Of course it is the nature of news that some unexpected major national or international event could 'bump' these interviews into the next day or even later
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