公开(公告)号：US20240166819A1

公开(公告)日：2024-05-23

申请号：US18179968

申请日：2023-03-07

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Miyeon LEE ,  Jaesang YU ,  Nam Ho YOU

IPC: C08G75/14 ,  G02B1/04

CPC classification number: C08G75/14 ,  G02B1/041

Abstract: Provided herein are a sulfur copolymer derived from an elemental sulfur and a thiol monomer and a method for preparing the same. The sulfur copolymer is synthesized by a simple method, and can be widely used in cameras and lenses, or defense materials-related industries, by replacing expensive inorganic materials used in existing infrared lenses. In addition, by adjusting the content of one or more sulfur monomers or two or more sulfur monomers, not only mid-wave infrared transmission but also long-wave infrared transmittance can be maintained at a high level.