2026-03-24 ジョージア工科大学
＜関連情報＞
- https://research.gatech.edu/researchers-create-first-ai-generative-polymer-design
- https://coe.gatech.edu/news/2026/03/researchers-create-first-ai-generative-polymer-design
- https://www.nature.com/articles/s44387-026-00087-1
POLYT5：生成ポリマー設計のためのエンコーダー・デコーダー型基礎化学言語モデル POLYT5: an encoder-decoder foundation chemical language model for generative polymer design
Harikrishna Sahu,Wei Xiong,Anagha Savit,Shivank S. Shukla & Rampi Ramprasad
npj Artificial Intelligence Published:03 March 2026
DOI:https://doi.org/10.1038/s44387-026-00087-1
Abstract
Traditional machine learning has advanced polymer discovery, yet direct generation of chemically valid and synthesizable polymers without exhaustive enumeration remains a challenge. Here we present POLYT5, an encoder-decoder chemical language model based on the T5 architecture, trained to understand and generate polymer structures. POLYT5 enables both property prediction and the targeted generation of polymers conditioned on desired property values. We demonstrate its utility for dielectric polymer design, seeking candidates with dielectric constant >3, bandgap >4 eV, and glass transition temperature >400 K, alongside melt-processability and solubility requirements. From over 18,000 generated promising candidates, one was experimentally synthesized and validated, showing strong agreement with predictions. To further enhance usability, we integrated POLYT5 within an agentic AI framework that couples it with a general-purpose LLM, allowing natural language interaction for property prediction and generative design. Together, these advances establish a versatile and accessible framework for accelerated polymer discovery.
