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三爱富四代制冷剂制备专利公开
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三爱富四代制冷剂制备专利公开
2023年12月29日,国家知识产权局公布了上海华谊三爱富新材料有限公司的由2-氯-1,1-二氟乙烷(HCFC-142)制备1,2-二氟乙烯(HFO-1132)的催化剂和方法。根据该专利介绍,1-氯-1,1-二氟乙烷(HCFC-142b)在制造过程中不可避免会大量副产HCFC-142,给企业环保,后续处理带来巨大压力。而现今主流的处理方法即为将HCFC-142处理为HFO-1132,但主流方法转化率偏低,无法满足商业化需求,因此该专利提供了一种简单,方便,低成本的方式将HCFC-142转化为HF...
China Fluoride Materials Monthly Report (Chinese version) 202401
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