Media release

AkzoNobel Specialty Chemicals introduces safer organic peroxide system to the US PVC market

26 Mar 2018 - News

AkzoNobel Specialty Chemicals will start supplying the first-ever emulsion-based organic peroxides in the US for the manufacture of polyvinyl chloride (PVC). The emulsion products are safer alternatives to solvent-based peroxides for making PVC, a plastic used in everyday applications including pipes, doors, windows and home siding.

“Organic peroxides often decompose at very low temperatures, which can lead to combustion when not stored or handled properly,” explains Rob van de Graaf, Director of Sales, Americas - Polymer Chemistry. “Emulsions contain water, significantly reducing the chance of combustion, and increasing the safety of transport, storage and handling. The improved safety characteristics also allow for bulk storage and fully automated handling, reducing the risk of manual operation mishaps.”

Emulsion-based peroxides also contain an anti-freeze agent, preventing the ice crystal formation that sometimes occurs in solvent-based solutions, which can affect the feeding of initiator to the polymerization reaction. This also improves the product quality of the finished PVC product.

“European PVC manufacturers are already using our emulsion-based organic peroxides. With the introduction to the US, we believe our customers there will realize the same benefits and we are confident that the organic peroxide emulsion market will continue to grow,” says Johan Landfors, Member of the Executive Committee responsible for Polymer Chemistry.

Emulsion-based peroxides are also used in the company’s Continuous Initiator Dosing (CiD) technology. With CiD, heat production in a PVC reactor is controlled by the dosing of the peroxide during the polymerization process. This optimizes cooling capacity and reduces batch time by 20 to 40 percent, leading to an increase in overall capacity. It also further improves the PVC polymerization safety by being able to stop the polymerization reaction at any moment, thus preventing run-away reactions.

For more information, visit our polymer site.

About Nouryon

Nouryon is a global, specialty chemicals leader. Markets and consumers worldwide rely on our essential solutions to manufacture everyday products, such as personal care, cleaning goods, paints and coatings, agriculture and food, pharmaceuticals, and building products. Furthermore, the dedication of approximately 8,200 employees with a shared commitment to our customers, business growth, safety, sustainability and innovation has resulted in a consistently strong financial performance. We operate in over 80 countries around the world with a portfolio of industry-leading brands.

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