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公开(公告)号:US06268441B1
公开(公告)日:2001-07-31
申请号:US09308633
申请日:1999-05-27
IPC分类号: C08F216
摘要: Vinyl monomers are polymerized in the aqueous phase in the presence of at least one N-oxyl compound of a secondary amine, having no hydrogen atoms bonded to the &agr; carbon atoms. This process substantially eliminates deposits on reactor surfaces.
摘要翻译: 乙烯基单体在水相中在至少一种不具有与α碳原子键合的氢原子的仲胺的N-氧基化合物的存在下聚合。 该方法基本上消除了反应器表面上的沉积物。
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公开(公告)号:US20140200328A1
公开(公告)日:2014-07-17
申请号:US14343604
申请日:2012-08-31
CPC分类号: C07F3/06 , C07C51/412 , C08G64/34 , C07C55/10 , C07C55/14 , C07C55/16 , C07C55/18 , C07C55/12
摘要: The invention relates to a process for preparing a zinc dicarboxylate from a zinc compound and a C4-C10 dicarboxylic acid in the presence of a cationic emulsifier and a solvent.The invention also relates to zinc dicarboxylates obtainable by the abovementioned process and having a BET surface area of 50 to 750 m2/g.
摘要翻译: 本发明涉及一种在阳离子乳化剂和溶剂存在下由锌化合物和C 4 -C 10二羧酸制备二羧酸锌的方法。 本发明还涉及通过上述方法获得的BET比表面积为50-750m2 / g的二羧酸锌。
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