Do Masks With Antiviral Coating Offer Extra Protection?

US- A-6, 551, 608 discloses a porous thermoplastic material substrate and an antiviral substance made by sintering at least one antiviral agent with the thermoplastic substance. US-A- 7,029,516 discloses a filter system for removing particles from a fluid comprising a non- woven polypropylene base upon which is deposited an acidic polymer such as polyacrylic acid. US-A-2004/ discloses a filter material comprising a community of fibres with an acidic substance deposited thereon, which may be an acrylic polymer. US-A- 2005/ discloses a filter block which may be treated with various anti viral polymers, principally cationic polymers. The polyester material used was a proprietary nonwoven cloth made up a hundred% of polyester fibres, designated by its provider a hundred % polyester gsm NT MSQ 180G/M2 BLANC LZE MM non woven material.

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Face Masks With Anti

Alternatively the substrate could also be within the type of an open-cell foam, e.g. a polyurethane foam as can be used for air filters, for instance in nasal air plugs. The filter materials described herein could also be made in numerous ways, by which the air- permeable substrate is combined with the acidic polymer. Other appropriate acidic polymers are believed to incorporate polyvinyl phosphonic acids. Acidic polymers which have been found helpful for the needs herein have been found to have molecular weights within the range 30,000 to 2,000,000 but molecular weight does not appear to be critical, and this may be simply an exemplary vary.

The filter 10 is of typically typical construction comprising a pad which can be attached over the nostril and mouth of a user by a traditional strap . The pad includes an outer layer of the filter materials of the invention stitched to an inner polyester fibre pad , the outer layer being able to intercept a stream of inhaled or exhaled respiration air. Such a ensuing liquid composition is herein termed a “loading solution”.

Disposable Anti Viral Face Masks For H1n1, Mrsa, Swine Flu, For Clinic

An instance of a metallic salt of this type is zinc chloride. As used herein the time period “acidic polymer” includes a polymer having acidic groups along its backbone, e.g. as side teams. Suitable acidic teams are carboxylic acid groups. The acidic polymer could also be cross-linked or linear.

It has also acquired European regulatory approval and carries a CE mark, which means it has been independently reviewed.

Nov Biocity Based Mostly Pharm2farm Develops Antiviral Coating For Face Masks

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