# 117. Self Repairing Corrosion Coating

- Show: [The Next Byte Podcast](https://hardwarepodcasts.com/podcast/the-next-byte-podcast)
- Published: 2023-04-11
- Length: 29m
- Page: https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating
- Listen: https://the-next-byte-wevolver.simplecast.com/episodes/117-self-repairing-corrosion-coating-vA3OP8Nf

## Summary

Hosts Daniel and Forbode discuss PPM (polyphenylene methylene), a self-repairing corrosion coating developed by researchers at ETH Zurich, including Marcus Niederberger, Walter Gopel, and Marco de Elia. They explain how this accidental discovery addresses the $40 billion annual global corrosion problem by offering a thinner, lighter, and fluorescent coating that simplifies defect detection and repairs minor cracks autonomously. The hosts highlight the material's environmental benefits, such as being 95% recyclable without property loss, and note that the team is currently seeking industry partners for commercialization.

## Chapters

- [0:00](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=0) Introduction and Nanotech in Aerospace
- [3:15](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=195) The Accidental Discovery of PPM at ETH Zurich
- [7:22](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=442) The Scale of the Global Corrosion Problem
- [9:46](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=586) PPM Coating Advantages: Thickness and Durability
- [12:11](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=731) Fluorescence for Defect Detection
- [16:43](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=1003) Self-Healing Mechanism and Roman Concrete Analogy
- [21:21](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=1281) Environmental Impact and Recyclability
- [24:43](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-04-11-117-self-repairing-corrosion-coating#t=1483) Commercialization Status and TL;DR Summary

## Topics

- [Materials & manufacturing processes](https://hardwarepodcasts.com/topic/materials-and-processes)
- [Sustainability & circular products](https://hardwarepodcasts.com/topic/sustainability-and-circularity)
- [Validation & product-market fit](https://hardwarepodcasts.com/topic/validation-and-product-market-fit)

## Most relevant to

early-stage companies

## Mentioned

- ETH Zurich (company)
- PPM (product)
- polyphenylene methylene (product)
- BMW (company)
- Wevolver (company)
- Mouser Electronics (company)

## Citing this page

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