Industry News

Dow Provides Sustainable Alternative to BPA-containing Can Coatings

Published on 2017-04-19. Author : SpecialChem

A next generation, award-winning technology from Dow Coating Materials can drive a revolution in can coatings, by facilitating health-conscious food and drink producers to turn away from epoxy coatings using bisphenol A (BPA) and other materials of concern.

Whilst cans offer great consumer convenience, coatings are needed to protect containers from corrosion, and the contents from contact with metal, helping preservation, flavor quality and consumer safety.

Alternatives to BPA-containing Coatings

Yet with traditional epoxy coatings using BPA – a material that has raised health concerns – alternatives are in demand from progressive brand owners wanting to address evolving consumer demands.

Now, technological developments at Dow have facilitated a tried and tested option for flexible and rigid plastic food packaging to be applied to can coatings too: thermoplastic polyolefins, with a specially designed mix of functionalized and non-functionalized polyethylene or polypropylene in an aqueous dispersion.

canvera dispersions
Dow Provides Next Generation Alternative to BPA-containing Can Coatings

CANVERA™ Polyolefin Dispersions

  • CANVERA™ Polyolefin Dispersions does not contain materials such as styrene, epoxides and phenolic crosslinkers
  • Offers a water-borne, spray-applied replacement for epoxy coating systems
  • Eliminates BPA use and delivers brand owners a new approach to safe, sustainable can coating that will appeal to health-conscious consumers

BLUEWAVE™ Technology

Powered by patented BLUEWAVE™ Technology, which facilitates creation of ultra-thin, thermoplastic film coatings, CANVERA™ Polyolefin Dispersions can be spray-applied from water-borne formulations to the inside of cans, protecting contents from changes in color, taste or appearance.

With cost effectiveness and seamless manufacturing productivity high on the agenda, producers also benefit from drop-in performance: the technology can be used on existing lines and applied directly to metal surfaces by the same equipment used for current epoxy coatings.

About Dow Coating Materials

Dow Coating Materials leads innovation in technologies that help advance the performance of paints and coatings. Its water-based acrylic emulsion technology revolutionized the global paint industry, and was named a historic chemical landmark by the American Chemistry Association. It offers a broad portfolio of binders, dispersants, rheology modifiers and surfactants for a wide variety of end markets.

About The Dow Chemical Company

Dow combines the power of science and technology to passionately innovate what is essential to human progress. The Company is driving innovations that extract value from material, polymer, chemical and biological science to help address many of the world's most challenging problems, such as the need for fresh food, safer and more sustainable transportation, clean water, energy efficiency, more durable infrastructure, and increased agricultural productivity.

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Source: Dow
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