additives feature | PVC plasticizers
equal to or better than other general purpose plasticiz- ers currently on the market. Its combination of high efficiency and low volatility make it particularly suitable for sensitive applications. It is as efficient as DOP, and its low volatility is similar to that of high molecular weight plasticizers such as diisodecyl phthalate (DIDP) and Perstorp’s own Emoltene 100. Low migration out of PVCs also contributes to the durability of products incorporating Pevalen. For processors, Pevalen’s low viscosity makes handling trouble-free, even at low temperatures. Plastisols incorporating Pevalen also exhibit low viscosity and high stability. Good compatibility with suspension PVC further assists in high-speed blending. At Valerus Specialty Chemicals (formerly Ferro’s
Perstorp says Pevalen produces soft and flexible PVC flooring that is resistant to cleaning chemicals
its general purpose PVC plasticizers. According to Jerker Olsson, vice president of
Perstorp’s Oxo business unit, the upstream integration into essential raw materials “greatly strengthens Perstorp’s position as a reliable supplier of innovative plasticizers to the PVC market. We have raised our total Oxo capacity by 150,000 tonnes/year and become one of the few fully integrated suppliers of plasticizers. Perstorp offers two ranges of general purpose
plasticizers, Emoltene 100 and Pevalen. Emoltene 100 is a C10 plasticizer (di-propyl heptyl phthalate, DPHP), which Perstorp says is one of the thoroughly tested phthalate plasticizers on the market. It is intended for outdoor durable applications, most notably cables, wires and roofing membranes, where it contributes to extra durability under harsh conditions. Pevalen is a non-phthalate aliphatic polyol ester
plasticizer, partially derived from renewable resources, that meets the safety and performance requirements of “close-to-consumer” PVC applications such as flooring and coated fabrics. According to Perstorp, it provides unbeatable softness and UV stability, and presents processors and users with a highly sustainable solution for a large number of high-volume applications. The process for obtaining food contact approval should be concluded in 2016. Perstorp says that Pevalen’s ability to produce flexible
PVC formulations that are soft and durable, as well as highly resistant to cleaning chemicals, makes it ideal for flooring in public building, hospitals and domestic environments. “The plasticizer also displays excellent UV stability, making it an excellent choice in applications exposed to sunlight,” the company adds. Further key applications include artificial leather, protective clothing, pool liners and clothes, where softness and flexibility properties are appreciated. Pevalen can also be used in plastisols, moulded parts, films and foils. Perstorp says that the performance of Pevalen is
30 COMPOUNDING WORLD | August 2015
polymer additives division), marketing and technical service chemist Ron Raleigh says that the company is expanding its Platinum family of speciality non-phtha- lates. “These products are mostly cyclohexanoate materials that are designed to mimic our benzyl phthalate products’ performance, which they do exceptionally,” he says. “Just as benzyl phthalates outperform general purpose plasticizers like DOP and DINP in many perfor- mance characteristics, so do the Platinum products.” Raleigh says the products have a fast-fusing, high
solvating character offering faster product throughput and lower energy consumption. “These products are in the same specialty class as dibenzoates and alkyl sulphonic products like Mesamoll [from Lanxess].” Valerus recently commercialized the P-300 series
products, which Raleigh says are cost-effective blends of Platinum products with non-phthalate GP plasticizers and other Valerus additives.
More information AMI’s next PVC Formulation conference takes place in Cologne, Germany, on 5-7 April 2015. For information on participating in the event as a delegate, speaker, exhibitor or sponsor, please contact the conference organiser, Giulia Esposito:
ge@amiplastics.com, tel: +44 (0)117 314 8156. More details at:
http://bit.ly/PVC2016.
Click on the links for more information: ❙
www.emeraldmaterials.com ❙
www.eastman.com ❙
www.grupaazoty.com ❙
www.oxea-chemicals.com ❙
www.matrica.it ❙
www.placard-ecoinnovation.eu ❙
www.xftechnologies.com ❙
www.polyone.com ❙
www.basf.com ❙
www.perstorp.com
www.compoundingworld.com
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