PLASTICISERS | MATERIALS
goods more efficiently than using conventional plasticisers, while reducing energy, scrap, and material usage. Japanese additives specialist
Adeka launched its ADK Cylcloaid bio-based plasticisers as environmen- tally friendly alternatives to fossil- based materials. The company says its ADK Cyclcoaid PNB series formulation for PVC uses 90% or more biomass raw materials yet exhibits equal or better performance compared to general-purpose plasticisers based on phthalates or dibasic esters in terms of oil resistance (resistance to oil extraction), heat aging stability and migration. ADK Cyclcoaid PNB received “Biomass Mark” labeling and certification from the Japan Organics Recycling Association. Adeka also offers its ADK Cizer C
series of linear or branched trimelli- tate plasticisers for PVC applications where high heat resistance, flexibility at low temperature and low volatility are required, while it says its ADK Cizer PN series of polymeric plasticis- ers for PVC offer very good oil resistance, anti-migration perfor- mance and extremely low volatility. As the industry transitions toward sustainable additives, the aim is to strike a balance between green goals and the performance of PVC products, according to Emery Oleochemicals. Manufacturers need to consider intended use, end-user safety and environmental impact when formulat- ing PVC products as the choice of plasticiser depends on the specific requirements of the application. Factors such as flexibility, tem- perature resistance, chemical resistance and regulatory compliance play a significant role in selection. Migration characteristics
are of particular importance in food packaging applica-
Emery’s Edenol 9789 polymeric plasticiser offers the low volatility and durability required for cast films for the automotive industry
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tions. EU Directive 10/2011 sets migration limits for substances approved for indirect food contact. Emery Oleochemicals says it has developed a portfolio of plasticisers with exceptionally low migration characteristics and adds that these are in compliance with Directive 10/2011. To meet the demanding requirements of this industry, it offers a full line of polymeric plasticisers over a viscosity range from 700 to 13,000 mPa*s (20 °C) that have very low migration properties.
Emery Oleochemicals has devel- oped several plasticisers for technical PVC applications. For roof membranes it offers Edenol 1233 Spezial, a polymeric plasticiser based on adipic acid that has a high viscosity and offers good resistance to extraction by oils, fats, grease, aliphatic hydrocarbons, and aqueous systems. Meanwhile, its Edenol 9789 polymeric plasticiser, which is based on azelaic acid, is said to offer low volatility and high tem- perature and weather resistance, making it suitable for use in cast films for the automotive industry. Last year, Emery Oleochemicals announced the development of two 100% bio-based plasticisers — Edenol 2178 and 2192 — that can partially replace the monomeric plasticiser DOA. Shore hardness is said to be marginally compromised while extraction resistance is noticeably improved (Figure 2). The two plasticis- ers are said to show very good
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