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Addivant and Perstorp make food advances


Addivant and Perstorp have both had positive news in terms of food contact approval for key products in the US. Addivant has seen its nonyl- phenol-free stabiliser, Weston 705, gain formal approval from the US Food & Drug Adminis- tration (FDA) for specific applications, while Perstorp has obtained expert opinion that its Pevalen brand of non-phthalate PVC plasticiser can be used in key food contact applications. The approval for Weston


705 covers use at levels of up to 2,000 ppm in multiple types of polymers for repeat use articles intended for infant formula and breast milk, and in polymers intended for use with powdered infant formula. Weston 705 is now the only nonylphenol-free liquid phosphite antioxidant alterna- tive with food contact approv- als in the US, Canada, Europe and China, the company claimed. Addivant, which is the


world’s largest supplier of liquid phosphite antioxidants for


Perstorp’s Pevalen non-phthalate plasticiser edges closer to FDA food contact approval


plastics, said the 705 product was developed to surpass global regulatory standards providing a complete profile of its Non-Intentionally Added Substances. The company claims it is “the most thorough- ly tested new plastic antioxidant on the market today”. Meanwhile, Perstorp said the independent expert opinion applies to use of Pevalen at levels up to 32% in PVC intended to produce conveyor belts and gloves for meat and poultry processing facilities, as well as tablecloths. Pevalen (chemical name is pentaeryth- ritol tetravalerate or PETV) is


already used in numerous close-to-consumer but non-food contact applications. The opinion, made public in parts, said that based on information supplied and other publicly available information and data, the intended uses of the Pevalen are “Generally Regarded As Safe” and that it could be lawfully used as intended without obtaining prior approval from or notifying the FDA. Perstorp added that it will be applying for FDA approval for a wide range of uses. ❙ www.weston705.com ❙ www.perstorp.com/pevalen


Milliken acquires Keystone Aniline


Milliken, a supplier of polymer-bound colourants and additives, has acquired Keystone Aniline, which is active in dyes, pigments, pigment dispersions and polymers. Milliken said the move


would join “two successful organisations with comple- mentary expertise and capabilities to offer customers a broader array of advanced colorant solutions, technologies and services.” The two companies both


provide colorant technolo- gies in North and Latin America, Europe and Asia. Overlap is said to be limited; Milliken’s Performance Colourants & Ingredients business is mainly focused on polymeric colourants and new synthetic molecules while Keystone is said to be stronger on formulation and application development. ❙ www.millikenchemical.com ❙ www.dyes.com


Maag claims pellet drying record


Maag/Gala has developed what it claims is the largest capacity centrifugal drying installation for polyolefin pelletising applications, offering a throughput of 150 tonnes/hr. A development of the Model 100 dryer


The Model 100 is available for customer trials 12 COMPOUNDING WORLD | May 2017


introduced by the company in 2008, the new unit uses the same 48-inch rotor platform that has been optimised to reach higher throughput rates.


According to Gala Industries


President and CEO David Bryan, the optimised Model 100 can deliver the 150 tonne/h throughput processing HDPE with lentoid pellet geometry and a melt flow index of 0.35 to moisture levels below 500ppm. A system is available for demonstration and customer trials at Gala’s Eagle Rock facility in the US. ❙ www.maag.com


www.compoundingworld.com


PHOTO: MAAG


PHOTO: PERSTORP


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