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New additive helps PLA process better

An additive developed by Purac (Gorinchem, Netherlands) and AkzoNobel is designed to help suppliers of polylactic acid (PLA)—a bioplastic made from biorenewable, carbohydrate-based raw materials—to better control the polymerization of the material, with the end effect being that processors are said to see smoother processing of the material on their equipment. 

(Gorinchem, Netherlands) and AkzoNobel is designed to help suppliers of polylactic acid (PLA)—a bioplastic made from biorenewable, carbohydrate-based raw materials—to better control the polymerization of the material, with the end effect being that processors are said to see smoother processing of the material on their equipment. 

Purac is the worldwide market leader in lactic acid, lactic acid derivatives, and lactides, while AkzoNobel supplies a wide range of paints, coatings, and specialty chemicals.

Under the new process, AkzoNobel’s organic peroxides selectively switch off polymerization catalysts, improving the quality and stability of the PLA polymer. The resulting PLA is more stable in melt processing, has consistent flow properties, and still maintains a positive environmental profile, say the two development partners. The additives are available from Purac. [email protected]

TAGS: Materials
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