ADDITIVES | PVC
Above: Lubricants improve
surface gloss of PVC profiles as well as improving process efficiency
Renewable options Emery Oleochemicals emphasises the sustainabil- ity of its high-performance polymer additives, which include a wide range of flow property-en- hancing Loxiol lubricants particularly suitable for PVC applications. Loxiol lubricants are derived from 100% renewable resources and are highly biode- gradable (the company claims a 178-year history developing bio-based products). While internal lubricants reduce the melt viscosity by lowering the friction between the molecules, external lubricants prevent the polymer melt from sticking to the metal surface of the processing equipment. Typically, a combination of internal and external lubricants is necessary to achieve the desired results, according to Emery Oleochemicals. “Many factors, such as processing type, equip- ment and the PVC formulation influence the process- ability. Therefore, the correct choice and dosage of lubricants is crucial,” says Jana Ingraham, Marketing
Manager for Green Polymer Additives. “With decades of expertise in this industry, Emery Oleo- chemicals has gained valuable insight into the market’s requirements and, in turn, the company has fine-tuned and customised its additives to help customers achieve optimal results in both processing efficiencies and finished products.” Emery Oleochemicals’ Green Polymer Additives business unit has developed an extensive line of lubricants tailored to the special requirements of a variety of applications. For example, in the produc- tion of window profiles Loxiol lubricants improve surface properties such as the gloss of the finished article. For transparent applications (mostly sheet and film) it is essential that the additives do not adversely affect opticals. “Loxiol lubricants have been proven not to make transparent articles cloudy or reduce the transparency of the finished article in any other way,” Ingraham says. “While the processability and characteristics of the
end-product are improved by the use of appropriate lubricants, regulatory requirements must also be considered when selecting the proper lubricant. Toys or articles with food contact require lubricants that are safe even at mechanical or physical strains. For these applications, Emery Oleochemicals offers lubricants with food contact approval according to international standards,” says Ingraham.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.baerlocher.com �
www.galatachemicals.com �
www.echa.europa.eu �
www.baua.de �
www.emeryoleo.com
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