PLASTICISERS | PVC
latest addition to its line of non-phthalate fast-fus- ing plasticisers. Based on cyclohexanoate technol- ogy, it is said to combine high solvating ability with low volatility and excellent migration resistance. “Santicizer Platinum P-1800 can lower both
formulation and production costs while improving final product properties,” says Holt. “Formulators can now choose from Santicizer Platinum P-1400, Platinum P-1700 and now P-1800 to dial in the specific efficiency and permanence to match their end use application.” Holt says formulators also frequently combine Santicizer Platinum non-phthalate plasticisers with other general purpose non-phthalate plasticisers to create optimised solutions for their specific processing needs. “When using Santicizer Platinum P-1800 in
combination with general purpose plasticisers, manufacturers will see improved efficiency and processing speed without sacrificing emissions or migration,” he adds.
HMW advantage With the introduction of Jayflex L9TM, ExxonMobil has expanded its portfolio of high molecular weight plasticisers. The new addition is a trinonyl trimellitate based on linear and branched C9 alcohol. According to the company, “careful selection of the degree of linearity of nonyl alcohols to make nonyl trimellitate esters provides useful advantages in flexible PVC.” Flexible PVC materials used in demanding
applications such as automotive cables, wind turbine tray cables (WTTC), and car interior leather applications are required to meet extreme perfor-
mance specifications at low and high temperatures while offering migration and extraction resistance. Branched trimellitates such as TOTM (tris (2-ethylhexyl) trimellitate) typically exhibit poorer cold temperature performance than general-pur- pose plasticisers, says ExxonMobil’s Global Plasticiser Technical Advisor Didier Naert. “For these applications, linear trimellitates are preferred. The new Jayflex L9TM is ideally suited for such applications and replaces the conventional Linear C8 or Linear C8C10 trimellitates.” Naert also notes that the supply situation for esters based on natural C8/C10 alcohols has been very cyclical, which has resulted in product availability and supply reliability issues over the past five years. According to Naert, the new plasticiser shows
excellent resistance to high temperatures, very good cold temperature flexibility, great resistance to migration and low fogging, while having better plasticising efficiency and process ability than branched trimellitates. “Its low volatility would help,
Above: Exxonmobil says automo- tive interior specifications require very low volatility plasticisers
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IMAGE: SHUTTERSTOCK
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