Urethane Blog
FoamPartner Develops Low Emission Foams
September 6, 2019
FoamPartner: Ether-based PU foams with low emission levels
FoamPartner Hall 10 Stand 504
The Swiss company FoamPartner Fritz Nauer AG has developed a foam product family, which is characterised by very low emission levels for use in automotive headliners with high demands on processability and design. The new ether-based foam technology is said to combine high surface quality with lowest volatile organic compounds (VOC) and fogging (FOG) values. The company will present the new products at Foam Expo Europe 2019 from 10 – 12 September 2019 in Stuttgart, Germany.
According to the manufacturer, the foams sold under the OBoSky brand name benefit from a patented ether prepolymer technology to combine the advantages of ester-based polyurethane foams with those of ether-based materials. The result is a family of hydrolytically stable, low-emission and low-odour foams with good processability and a very homogenous cell structure. The technology is especially targeted to demanding automotive headliners. However, thanks to their high elongation and good resilience, the foams also have an ideal fit in further automotive interior applications requiring a pleasant soft feel, said the company.
“Vehicles off the shelf are history. Besides looking for an environmentally friendly as possible drive system, consumers today have a keen eye for a stylish interior design using materials that ensure a healthy climate in the passenger compartment,” said Klaus Hellmold, Vice President Global Business Unit Automotive Rolls at FoamPartner. “With our OBoSky foams for headliners, we have set new standards in efficient processing and environmental compatibility.”
The headliner foam grades are said to feature a very uniform structure with fine pores, providing surfaces that can easily be laminated in flame and adhesion processes while also lending themselves to finishing textiles of low surface weight. The ether-based prepolymer technology of the materials is said to ensure very good hydrolytic resistance and long-term high mechanical properties as well as to lead to significantly lower levels in VOC and FOG vs. merely ester-based foams. In VOC and FOG tests according to VDA 278 and VDA 270, OBoSky is said to show values clearly below the limits specified in DBL 5450, the supply regulation of Daimler AG for flexible foams based on polyurethane.
The products are available in rolls and various net densities as well as with or without flame protecting finish according to FMVSS 302. The manufacturing process enables a block foam length of 120 m, which results in 50 % fewer bonding seams compared to common 60 m blocks in the market. This means customers can save costs in their end-product fabrication, said the company.
https://www.gupta-verlag.com/news/technology/23180/foampartner-ether-based-pu-foams-with-low-emission-levels
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