Single-Step MIT Waterproof Coating

Jul-02-18 A new waterproof coating from the team at MIT requires only a single-step process to create durable, water-repellent fabrics.

The process also addresses the new regulations regarding the industry-standard long-chain polymers, which can accumulate in the body and environment. However, short chain polymers are less hydrophobic and liquid-based, which typically requires a second step to ensure coated fabrics are comfortable to wear.

The new water repellent from MIT is made up of a shorter-chain polymer that has been enhanced with a coating process called initiated chemical vapor deposition (iCVD). This process, developed by study co-author Karen Gleason, coats the surface of the fabric fully without clogging the pores—eliminating the need for any secondary processing.

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