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Chementator Briefs-Aug 2020

By Gerald Ondrey |

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Curing with less Pt

Silicone-release coatings generally use a platinum-based curing catalyst. Aiming to reduce the amount of this expensive precious metal, Shin-Etsu Chemical Co. (Tokyo, Japan; www.shinetsusilicones-global.com) has developed a Reduced-Platinum Reaction-Curing System Technology that lowers Pt usage by about half, compared to that of conventional usages. This is achieved by implementing a silicone composition that exhibits high reactivity. Shin-Etsu Chemical and its U.S. subsidiary, Shin-Etsu Silicones of America, Inc. (SESA; Akron, Ohio), are proceeding with commercialization by integrating this technology into silicone release coatings.

Notably, silicone release coatings add peelability (releasability) to adhesive agents by coating such backing materials as paper and film. These applications include coated release paper for stickers, labels and adhesive tapes. Additionally, they work for release films and manufacturing process release liners and a myriad of other applications.

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