PVC plasticizers | additives feature
determining activity of antimicrobial agents incorporated in a polymer). All samples showed equivalent elimination of microbial growth (99.99% reduction). These experi- ments were limited to one antimicrobial formulation, and users would need to evaluate their specifi c formulation to determine its microbial growth susceptibility. Demand for bio-based plasticizers is highest in
sensitive applications, such as food packaging, medical devices, and products such as fl ooring or carpets for which indoor air quality may be a concern, says Michele Potenza, sales manager for plastic additives at DuPont Nutrition and Health (formerly Dansico). The company’s Soft-n-Safe plasticizers include grades based on acetylated monoglyceride from plant oils, such as castor oil. The company is currently working on expanding the use of this class of plasticizers to polymers other than PVC, such as PLA and engineering resins. In both the US and Europe, the growth of bio-based
plasticizers is being driven by regulations restricting phthalates. These are causing users to reformulate or at least prepare alternatives, and many are considering incorporating bio-based products, says Karsten Job, vice president of polymer additives in the Functional
Chemicals business unit of Lanxess Deutschland. Lanxess offers plasticizers based on glycerol esters,
citrates, sebacates, and on BioAmber’s biosuccinic acid. A signifi cant component of bio-based plasticizer growth will be to close the gap in product costs, which will require progress in feedstock costs and in scale, adds Job. He notes that although many bio-based plasticizers have costs already in line with those of
Proviplast PLS
Green bio-based plasticizers can be used in range of products including
artifi cial leather
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