MATERIALS | PVC PLASTICISERS


“They offer good processing performance,


excellent low temperature properties, and out- standing heat stability, she said. Formulators can also combine Santicizer Platinum G-2000 or G-2030 with one of Valtris’s Santicizer non-phtha- late plasticisers, to create optimised solutions for their specific processing needs. Also new from Valtris is Santicizer Platinum


Figure 2: Comparison of volatility of Evonik’s latest Elatur DINCD plasticiser against its Elatur CH (DINCH) and Vestinol 9 (DINP) products, and DOTP. Volatility determined as weight decrease (DIN EN ISO 176 Method B, 3 days 120°C) for a formulation comprising 100 phr PVC K70, 50 phr plasticiser, 3 phr ESBO and 2 phr stabiliser. Source: Evonik


P-1700. Based on benzyl cyclohexanoate technol- ogy, it is claimed to combine high solvating ability with ultra-low volatility and excellent migration resistance. It has a high molecular weight and branched structure. Valtris says Santicizer Platinum P-1700 can be used in a variety of applications and contributes to the permanence and processing of acrylic/PVC screen inks, automotive sealants and high performance polysulphide sealants.


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Figure 3: Comparison of weathering properties (yellowing and gloss) of PVC compounds containing Evonik’s Elatur DINCD plasticiser against its Elatur CH (DINCH) and Vestinol 9 (DINP) products, and DOTP. Test carried out in a xenon device to ISO 4892-2 at 500 W/M2 global, 60 W/M2 UV, 38°C, 1500 h, dry/wet: 102/18 min. Compound formulation 100 phr PVC K71, 40 phr plasticiser, 5 phr TiO2, 3 phr stabiliser.


Source: Evonik


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