MIT engineers design recyclable elastic yarn
This new recyclable yarn is as strong and stretchy as spandex-based yarns. Jennifer Chu | MIT News Publication Date: July 27, 2026 Press Inquiries Press Contact: Abby Abazorius Email: [email protected] Phone: 617-253-2709 MIT News Office Media Download ↓ Download Image Caption: In the new process, resin pellets are melted and then extruded to make stretchy, hair-thin fibers that can be recycled. “You just melt it in a barrel with a heater, and then you extrude and spin it into fibers,” SeongHyeon Kim says.
- ▪This new recyclable yarn is as strong and stretchy as spandex-based yarns.
- ▪Jennifer Chu | MIT News Publication Date: July 27, 2026 Press Inquiries Press Contact: Abby Abazorius Email: [email protected] Phone: 617-253-2709 MIT News Office Media Download ↓ Download Image Caption: In the new process, resin pellets are me
- ▪“You just melt it in a barrel with a heater, and then you extrude and spin it into fibers,” SeongHyeon Kim says.
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| Original publisher | MIT News |
| Canonical URL | https://news.mit.edu/2026/mit-engineers-design-recyclable-elastic-yarn-0727 |
| Publication time | Mon, 27 Jul 2026 10:00:00 -0400 |
| Retrieval time | 2026-07-27T14:06:25.965Z |
| Last seen | 2026-07-27T14:06:25.965Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | IGUEf0EhGzrc · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Melt it, spin it, use it again. This new recyclable yarn is as strong and stretchy as spandex-based yarns. Jennifer Chu | MIT News Publication Date: July 27, 2026 Press Inquiries Press Contact: Abby Abazorius Email: [email protected] Phone: 617-253-2709 MIT News Office Media Download ↓ Download Image Caption: In the new process, resin pellets are melted and then extruded to make stretchy, hair-thin fibers that can be recycled. “You just melt it in a barrel with a heater, and then you extrude and spin it into fibers,” SeongHyeon Kim says. “It’s like a spaghetti machine.” Credits: Credit: Felice Frankel ↓ Download Image Caption: “There’s no widely-adopted technology now that recycles textiles into textiles. With our new yarn, we hope to change that,” says Svetlana Boriskina.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at MIT News.