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东岳集团ETFE专利公开
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东岳集团ETFE专利公开
2024年6月11日,国家知识产权局公布了山东东岳未来氢能材料股份有限公司的一种在超临界二氧化碳中制备乙烯-四氟乙烯共聚物(ETFE)的方法,公告号为: CN117946315B。 据该专利介绍,ETFE的制作方法包括乳液聚合工艺以及超临界聚合技术,然而前者因环保要求在未来将有受限的可能,而后者也存在诸如指的的含氟聚合物在介质中的溶解较小,产物分子量小,反应温度不易控制等问题。在此背景下,该专利公开了一种在超临界二氧化碳中制备ETFE的方法,解决了采用超临界二氧化碳作为反应介质制备含氟聚合物时,...
China Fluoride Materials Monthly Report (Chinese version) 202406
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