基本信息:
- 专利标题： METHOD FOR PREPARING ISOCYANATE COMPOUND
- 申请号：EP21915888.8 申请日：2021-12-30
- 公开(公告)号：EP4273123A1 公开(公告)日：2023-11-08
- 发明人： RYU, Hyun Cheol , MIN, Ju Won , HAN, Keedo
- 申请人： Hanwha Solutions Corporation
- 申请人地址： KR Jung-gu Seoul 04541 86, Cheonggyecheon-ro
- 代理机构： Berggren Oy
- 优先权： KR20200187829 20201230
- 国际公布： WO2022146091 20220707
- 主分类号： C07C263/10
- IPC分类号： C07C263/10 ; C07C263/16 ; C07C263/20 ; C07C265/14
摘要：
The present invention relates to a method for preparing an isocyanate compound. According to the present invention, provided is a method for preparing an isocyanate compound that can minimize thermal denaturation of a reaction product and formation of by-products and obtain a high-purity isocyanate compound more stably during the preparation of an isocyanate compound using phosgene.
IPC结构图谱:
| C | 化学；冶金 |
| --C07 | 有机化学 |
| ----C07C | 无环或碳环化合物 |
| ------C07C263/00 | 异氰酸衍生物的制备 |
| --------C07C263/10 | .由胺或羧基卤化物，例如与光气反应 |