CESA BROCHURE - Clariant

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AntimicrobialsMicroorganisms such as fungi andbacteria are present in all environments,although they are invisible tothe naked eye. The reproduction andgrowth of bacteria, fungi, mildew andmolds happen rapidly on plastic surfaces.CESA-antimicro masterbatches inhibitthe growth of these microorganisms,helping to prevent unpleasant odors,discoloration, and surface degradationof plastic parts.Typical applications for antimicrobialsinclude fibers and textiles used inathletic gear and household furnishings,kitchenware and bathroom products,automotive steering wheels and interiorparts, pharmaceutical and medicalproducts, and a spectrum of otherplastic applications requiring a highstandard of hygiene.There are two major types of antimicrobials,both of which are represented inthe CESA-antimicro product line. Organicantimicrobials consist of substancesthat migrate within the polymer matrix,spreading over the surface of the materialswhere their antimicrobial actionhas effect. Organic antimicrobials areeffective at low concentrations, offeringa favorable cost/performance ratio inpolymers that are processed at temperaturesnot exceeding 250˚C (482˚F).Inorganic antimicrobials incorporatesubstances containing silver in ionicform, bound to inorganic compoundsthat regulate the diffusion of ions withinthe polymer mass. The silver ion is theactive ingredient that interacts withbacteria. Non-toxic, non-corrosive andflameproof, inorganic antimicrobials haveno negative impact on plastics processing.They are highly recommended for objectsrequiring long-lasting antimicrobialaction and for engineering polymers thatare processed at high temperatures.Clariant’s wide range of CESA-antimicromasterbatches answers every requirementregardless of the resin or process.10
Number of bacteria4,000,0003,500,0003,000,000StartAfter 24 hours2,500,0002,000,0001,500,0001,000,000500,0000Antibacterial Effect on Plastic0 0.65 1.30 2.00 2.60Masterbatch dosage (%)Bacterial Growth on Plastic End ArticleNumber of bacteria4,000,0003,500,0003,000,0002,500,0002,000,0001,500,0001,000,000500,0000StartAfter 24 hoursNumber of bacteria5,000,0004,500,0004,000,0003,500,0003,000,0002,500,0002,000,0001,500,0001,000,000500,00000 0.65 1.30 2.00 2.60Masterbatch dosage (%)8 9 10 11 12Time (hours)Number of bacteria5,000,0004,500,0004,000,0003,500,0003,000,0002,500,0002,000,0001,500,00011
Page 1 and 2: MasterbatchesYour Added ProtectionC
Page 3 and 4: A Global Portfolio ofPerformance En
Page 5 and 6: HALS and UV absorbers are frequentl
Page 7 and 8: The most common flame retardantsinc
Page 9 and 10: AntifogFood packaging and horticult
Page 11: Infrared & CorrosionInhibitorsInfra
Page 15 and 16: Drying Agents& CompatibilizersDryin
Page 17 and 18: Processing Aids, Mold Release,Clean
Page 19 and 20: CESA Additive MasterbatchesProduct

CESA BROCHURE - Clariant

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