ODOUR AND EMISSIONS | TECHNOLOGY


adsorption), or products that are able to actively adsorb odours and VOCs from external sources (active adsorption), such as new building and construction products,” he says. Zeochem has developed its ZEOflair range of


products to scavenge residual ppm/ppb VOCs, responsible for the generation of bad smells. ZEOflair products are white powders that are chemically inert. However, they have a large adsorption capacity able to scavenge residual molecules of odours at low concentrations. The company claims that a typical loading of 0.5–1.0 wt% of ZEOflair can reduce the smell or VOC emissions of plastic products by at least 50% or can adsorb external VOCs for several years. Key applications include automotive parts and building and construction materials, where ZEOflair prod- ucts are being employed to actively adsorb external odours generated by human activities, including kitchen odours and tobacco. Future developments could include its use in bioplastics, where they are currently being tested for 3D printing and automotive applications. Meanwhile, AIMPLAS became the first Spanish laboratory accredited for odour tests for the automo-


tive sector. An audit conducted by ENAC (National Accreditation Body) last year extended the accredita- tion scope of the technology centre with new tests on odour emissions, formaldehyde emissions, fogging and TVOC. According to Rosalía Guerra, Head of the Automotive Laboratory at AIMPLAS, these tests are in high demand from companies in the automotive sector for evaluating emissions in vehicle interiors to comply with highly restrictive legislation. Until now, Spanish producers had to contract these tests out to foreign laboratories.


Above: Markes says its µ-CTE sampling


device enables fast screening of plastic samples and feedstocks


� SOLVED ODOR & VOLATILES Turn Your Obstacles into Opportunities


Struktol engineered odor and volatile control additives can help you solve “smelly” problems. From high odor/volatile feed streams in recycled applications to strict odor/VOC specifications in automotive and packaging applications – these problems can be solved by adding a small amount of our unique solutions.


Your Application + Struktol Additives = http://www.struktol.com/products.asp


Learn more at 4struktol.com or email plastics@struktol.com


Odor & Volatiles


PHOTO: MARKES INTERNATIONAL


VOC / Odor Reducers


Odor Neutral izers


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