A revolutionary antimicrobial innovation creating solutions for the - - PowerPoint PPT Presentation

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NordShield - developed by nature, perfected by science

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A revolutionary antimicrobial innovation creating solutions for the 21st century

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Antimicrobial, identified disadvantages

• Commonly used sensitizers
• carcinogenic properties (category II)
• High aquatic toxicity properties

Guanidines Parabens

• Cause estrogenic and allergenic effects

Quats

• Non-biodegradable and accrue in nature
• Commonly used sensitizers
• High aquatic toxicity properties

Isothiozolinones Triclosan

• Hormonal effect
• Allergic sensitization
• Antimicrobial resistance

The technology – How NordShield works

NordShield’s technology is based on nature’s way to fight microbes

• A major component of wood is cellulose, a complex form of sugar, and

a perfect energy source for harmful microbes.

• Through the entire evolution period, trees have developed an
• ptimal defense mechanism against harmful fungi, bacteria and

viruses.

• A major player in this mechanism is a set of chemicals called resins –

that have been used for healing wounds and infections for thousands

• f years.
• Through modern chemistry and science, nature’s mechanism has

now been opened for modern consumers by re-engineering nature’s inventions.

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The cellular effect – Tested application; NordShield water based mixture

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0,00% 20,00% 40,00% 60,00% 80,00% 100,00% No compound 500 µl compound/ml 1 ml compound/ml

Killed S. aureus ATCC12598

10 min 30 min 1 h 0,00% 20,00% 40,00% 60,00% 80,00% 100,00% No compound 500 µl compound/ml 1 ml compound/ml

Killed E. coli DH5α

10 min 30 min 1 h

The results showed that both Gram-positive and Gram-negative can effectively be completely killed with 0.5 % mixture in 30 min. Microbe concentration used: > 10 000 000 cfu/ml.

Studies conducted by the University of Helsinki visualizing the results from ATP and SEM

0.5 % NS mixture 1.0 % NS mixture 0.5 % NS mixture 1.0 % NS mixture

The technology – molecular net formation

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The mechanism shown on non-woven fibres treated with NordShield’s ethanol based mixture (0,08% solution) after ethanol evaporation

Tampere University of Technology

The mechanism shown on non-woven fibres treated with NordShield’s water based mixture (1,0% solution) after water evaporation

Tampere University of Technology

Fiber tests

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Test microbe:

Aspergillus brasiliensis

Test time:

18 days

Quantity of active substances:

200ppm

Standard:

Modified EVS-EN ISO 20743:2013

Product:

Water based NS solution

Treated sample Determination of fungi static activity on single textiles and pile of textile products Untreated sample

• after two days white hyphae is developed
• after four days spores develop

Baltiachemi OÜ Baltiachemi OÜ

NordShield product categorization

Solid Liquid Water based solutions Solvent based solutions Polymers Liniments

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Addressable markets

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NordShield targets extensive markets with a clear focus on applications

Medical

Filter systems Surgical sheets Dressings and Bandages Medical devices Garments & Patient curtains Surface disinfectants Dialysis disposables

Transportation

Upholstery Air filtration Garments Shoes Textiles In can preservation Water & air filtration Food packaging Fibers Fabric and homecare Liquid soaps Incontinence Deodorants

Construction

Geo textiles Insulation Filtration

Selected target markets – Filtration systems

Spun lace / non-woven test results

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Sample a Material 70% Viscose 30% Polyester log red. R 1,0% >8,0 (99,999999%) 0,5% >8,0 (99,999999%) 0,2% =3,1 (>99,9%)

• Product: Water based NS solution
• Standard: EN 20743, 24h
• Impregnation time 3-4s
• Microbe: S. Aureus

Treated fiber

Tampere University of Technology

0,5 ml /0,4 g

Baltiachemi OÜ

Standard: EN 20743 Microbe:

• S. Aureus

Washing conducted by professional hospital laundry Uudenmaan Sairaalapesula Oy

Selected target markets – Fibers

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Microfiber 0 washes 50 washes

65% Viscose 31% PES 4% Spandex NordShield Silvadur

R=5,0 (99,999%) R=3,7 (>99,9%) R> 4 (>99,99%) R> 3 (>99,9%) Textile

62% PES 35% COT 3% Spandex NordShield Silvadur

R=5,2 (>99,999%) R=5,3 (>99,999%) R> 3 (>99,9%) R> 3 (>99,9%)

Durability comparison between NordShield and leading silver based product

Tampere University of Technology

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