金融界2025年5月17日消息，国家知识产权局信息显示，赢创运营有限公司申请一项名为“制备SiOC-连接的线性聚二烷基硅氧烷-聚醚嵌段共聚物的方法及其用途”的专利，公开号CN119998362A，申请日期为2023年9月。
专利摘要显示，本发明涉及一种用于生产具有重复(AB)单元的SiOC‑连接的线性聚二烷基硅氧烷‑聚氧化烯嵌段共聚物的方法，其包括直链α,ω‑(SiH)官能的聚二烷基硅氧烷(a)与直链α,ω‑(OH)官能的聚氧化烯(b)的反应，使用第三主族和/或第三子族的元素的一种或多种化合物作为催化剂(c)，所述两种反应物(a)和(b)优选以等摩尔量反应，并且具有受控的氢形成反应，直到定量的SiH转化率。
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